JP4205745B2 - Drum type washer / dryer - Google Patents

Description

本発明は、水槽内に水平方向もしくは水平方向から傾斜した方向に回転自在に支持された回転ドラム内で洗濯、すすぎ、脱水、乾燥の各工程を行うドラム式洗濯乾燥機に関するものである。   The present invention relates to a drum-type washing and drying machine that performs washing, rinsing, dehydration, and drying steps in a rotating drum that is rotatably supported in a water tank in a horizontal direction or in a direction inclined from the horizontal direction.

このようなドラム式洗濯乾燥機は、図１に示す本発明の実施の形態のドラム式洗濯乾燥機１を参照して説明すると、多数の透孔８が形成され洗濯物を収容して回転駆動される回転ドラム２が水槽３内に設けられ、一般に、この水槽３内の給水、排水及び前記回転ドラム２の回転の制御により洗濯、すすぎ、脱水の各工程を実施すると共に、送風手段である送風ファン１５により水槽３内の空気を、除湿手段、加熱手段を備えた循環送風経路５を通して循環させることにより洗濯物の乾燥工程を実施するようになっている（例えば、特許文献１、２参照）。   Such a drum type washing and drying machine will be described with reference to the drum type washing and drying machine 1 according to the embodiment of the present invention shown in FIG. The rotating drum 2 is provided in the water tank 3 and generally performs washing, rinsing and dewatering processes by controlling the water supply, drainage and rotation of the rotating drum 2 in the water tank 3, and is a blowing means. The drying process of the laundry is carried out by circulating the air in the water tank 3 through the circulation blowing path 5 provided with the dehumidifying means and the heating means by the blower fan 15 (see, for example, Patent Documents 1 and 2). ).

ここで、除湿手段、加熱手段は一例として圧縮機と冷媒回路で接続した空気調和機を構成する蒸発器、凝縮器であり、送風手段により水槽内の空気を循環送風経路に導入して蒸発器及び凝縮器を順次に通して熱交換することで除湿後に加熱した渇いた高温空気とし、これを水槽内に送風して回転ドラム内の洗濯物に曝すことを繰り返し効率よく乾燥させられるようにしている。   Here, the dehumidifying means and the heating means are an evaporator and a condenser constituting an air conditioner connected by a compressor and a refrigerant circuit as an example, and the evaporator introduces the air in the water tank to the circulation air flow path by the air blowing means. And heat exchange through the condenser sequentially to make thirsty hot air heated after dehumidification, so that it can be efficiently dried repeatedly by blowing it into the water tank and exposing it to the laundry in the rotating drum Yes.

この乾燥工程で循環送風経路を循環する循環空気には回転ドラム内の洗濯物から分離した糸くずなどの異物が混入し、これが蒸発器や凝縮器に目詰まりしたり、送風手段の軸受部に噛み込んだり送風手段内各部に堆積したりして、機能不全を招く。このため、特許文献１、２に開示されているように循環送風経路の途中に異物を捕集するフィルタが設けられる。このフィルタは多くの場合特許文献１に開示されているように、ドラム、水槽からの循環空気を導入する循環空気導入管路における送風手段、除湿手段、加熱手段に対する上流側に設けられる。しかし、特許文献２は除湿手段を冷却水注入による凝縮方式を採用し、循環空気の除湿と同時に異物を加湿落下させられるようにしている技術上、注水熱交換部、送風手段、フィルタ、加熱手段の順に配置する構成を開示している。   Foreign matter such as lint separated from the laundry in the rotating drum is mixed in the circulating air circulating through the circulating air passage in this drying process, and this clogs the evaporator and condenser, or in the bearing part of the air blowing means. Biting or depositing on each part of the air blowing means causes malfunction. For this reason, the filter which collects a foreign material is provided in the middle of the circulation ventilation path | route as disclosed by patent document 1,2. In many cases, as disclosed in Patent Document 1, this filter is provided on the upstream side of the air blowing means, the dehumidifying means, and the heating means in the circulating air introduction pipe for introducing the circulating air from the drum and the water tank. However, Patent Document 2 adopts a condensing method by injecting cooling water into the dehumidifying means so that the foreign matter can be humidified and dropped simultaneously with the dehumidification of the circulating air. The structure arrange | positioned in this order is disclosed.

いずれにしても、フィルタは捕集する異物が堆積して循環空気の通過抵抗が増大していくので、着脱できるように設けられる。特許文献１は洗濯乾燥機本体の前面の着脱口から、この着脱口を塞ぐ天板を有して直接着脱されるフィルタを開示している。また、特許文献２は洗濯乾燥機の天面に設けられた蓋付きの出し入れ口を通じ、蓋を開けた状態で加熱手段とフィルタ室が一体になった加熱・フィルタユニットに対してその着脱口から着脱されるフィルタを開示している。
特開平８−２４３２９２号公報 特開２００６−１８７４４９号公報 In any case, the filter is provided so that it can be attached and detached because foreign matter to be collected accumulates and the passage resistance of the circulating air increases. Patent document 1 is disclosing the filter directly attached and detached from the attachment / detachment opening of the front surface of a washing-drying machine main body with the top plate which block | closes this attachment / detachment opening. Further, Patent Document 2 discloses a heating / filter unit in which a heating unit and a filter chamber are integrated with a lid opened through a loading / unloading port provided on the top surface of the washing / drying machine. A removable filter is disclosed.
JP-A-8-243292 JP 2006-187449 A

ところで、フィルタは着脱により目詰まり処理が行われるが、時として目詰まり処理を忘れたり怠ったりして使用され続けることがある。目詰まりが過度になると通気抵抗が増して循環空気が水槽を含む上流側で異常昇圧する。異常昇圧した循環空気は水槽と連通し洗濯水をオーバーフローさせる排水ホースへと逃げて、排水ホースが接続されている排水トラップに噴出することがある。このような場合排水トラップに貯留されている水がその風圧によって飛ばされることで、トラップの機能が破壊され、下水管からの臭いなどが漏れ出たりする可能性がある。   By the way, the filter is clogged by attachment and detachment, but sometimes the clogging process is sometimes forgotten or neglected. When the clogging becomes excessive, the ventilation resistance increases, and the circulating air is abnormally pressurized upstream including the water tank. The abnormally pressurized circulating air escapes to a drain hose that communicates with the water tank and overflows the wash water, and may be ejected to a drain trap to which the drain hose is connected. In such a case, the water stored in the drain trap is blown off by the wind pressure, so that the function of the trap is destroyed, and there is a possibility that the odor from the sewer pipe leaks out.

本発明者は、別に、回転ドラム内や循環送風経路を循環する循環空気が異常昇温することがあるのに対し、上限温度が検出されるような場合、循環送風経路に外気を取り入れて自然に冷却される技術をも実現したが、このような外気の導入によっても循環空気圧が増大し、排水ホースへの逃げの原因にもなる。   In addition, the inventor may separately increase the temperature of the circulating air circulating in the rotating drum or the circulating air blowing path, while the upper limit temperature is detected. However, the introduction of such outside air also increases the circulating air pressure and causes escape to the drainage hose.

本発明の目的は、フィルタ室を通過する循環空気の流れを巧みに利用して、異常な昇温や昇圧を簡単に解消できるドラム式洗濯乾燥機を提供することにある。   An object of the present invention is to provide a drum-type washing and drying machine that can easily eliminate abnormal temperature rise and pressure increase by skillfully utilizing the flow of circulating air passing through a filter chamber.

上記目的を達成するための本発明は、多数の透孔が形成され洗濯物を収容して回転駆動される回転ドラムが水槽内に設けられ、この水槽内の給水、排水及び前記回転ドラムの回転の制御により洗濯、すすぎ、脱水の各工程を実施すると共に、送風手段により水槽内の空気を除湿手段及び加熱手段を備えた循環送風経路を通して循環させることにより洗濯物の乾燥工程を実施し、循環送風経路の途中に主として糸くずなどの異物を捕集するフィルタを着脱できるように装着するフィルタ室を備えてなるドラム式洗濯乾燥機において、前記フィルタは、フィルタ室の内面にほぼ沿う籠形をなし、フィルタ室のフィルタ挿入側の半部に設けられた循環空気導入口から循環空気を導入する開口を持った循環空気導入側の半部と、フィルタ室の奥側の半部に設けられた循環空気排出口に対応するフィルタ材を支持した循環空気排出側の半部とを有した支持枠を備え、支持枠の循環空気導入側の半部に前記循環空気導入口から導入しフィルタ材を通じ循環空気排出口へ排出する循環空気の流れによる吸引を受ける負圧領域を設けて、この負圧領域を外部からの外気導入路に連通させ、支持枠の循環空気導入側の半部の循環空気導入域の一部を外部への外部排気路に連通させたことを特徴とする。   In order to achieve the above object, the present invention provides a rotating drum in which a large number of through-holes are formed and which is rotated and accommodates laundry, water supply and drainage in the water tank, and rotation of the rotating drum The washing, rinsing, and dehydration processes are carried out under the control of the laundry, and the drying process of the laundry is carried out by circulating the air in the water tank through the circulation blowing path provided with the dehumidifying means and the heating means by the blowing means. In a drum-type washer / dryer having a filter chamber that is mounted so that a filter that mainly collects foreign matter such as lint can be attached / detached in the middle of the air flow path, the filter has a bowl shape substantially along the inner surface of the filter chamber. None, the half on the circulating air introduction side having an opening for introducing the circulating air from the circulation air introduction port provided on the filter insertion side half of the filter chamber, and the half on the back side of the filter chamber A support frame having a circulating air discharge side half supporting a filter material corresponding to the circulating air discharge port provided on the circulating air introduction side of the support frame and introduced from the circulating air introduction port to the half of the circulating air introduction side A negative pressure region that receives suction from the flow of circulating air that is discharged to the circulating air discharge port through the filter material is provided, and this negative pressure region is connected to the outside air introduction path from the outside, so that the half of the support frame on the circulating air introduction side is provided. A part of the circulating air introduction area of the part is communicated with an external exhaust path to the outside.

このような構成によれば、外気導入路は通常閉じておくが、乾燥工程において回転ドラム内や循環空気の上限温度が検出された場合などに開きさえすれば、循環空気導入口を通じてフィルタ室に導入し循環空気排出口へと通過する循環空気の流れによってフィルタ室内の負圧領域に生じている負圧吸引力にて循環空気中に外気を外気導入路を通じ吸引してフィルタ室の循環空気排出口に向わせ、循環送風経路を循環する循環空気に混合させられるので、回転ドラム内や循環空気の温度を外気によって下げられる。また、外部空気の導入によって循環空気量が過剰になり循環送風経路内の圧力が上昇しても、循環空気の過剰分はその送風圧を利用して外部排気路を通じて外部に抜ける。さらに、フィルタが目詰まりした場合には、循環空気の逃げ道がなくなり、循環送風経路内の圧力が上昇して、水槽に接続された排水ホースに漏れて排水トラップに噴出し、そこに溜まっている水がその風圧によって飛ばされることで、トラップの機能が破壊され、下水管からの臭いが漏れたりするが、このような目詰まりの際の循環空気の過剰分は、負圧領域に連通している外気導入路に逆流して外部に抜けるので、自然に昇圧を解消する。   According to such a configuration, the outside air introduction path is normally closed. However, if it is opened in the drying process, for example, when the upper limit temperature of the circulating air or the circulating air is detected, the outside air introduction path enters the filter chamber through the circulating air inlet. The outside air is sucked into the circulating air by the negative pressure suction force generated in the negative pressure region in the filter chamber by the flow of the circulating air introduced and passed to the circulating air discharge port, and the circulating air in the filter chamber is discharged. Since it is made to mix with the circulating air which circulates through a circulation ventilation path | route toward an exit, the temperature of the inside of a rotating drum or circulating air can be lowered | hung with external air. Further, even if the circulating air amount becomes excessive due to the introduction of the external air and the pressure in the circulating air blowing path rises, the excess circulating air is discharged outside through the external exhaust path using the air blowing pressure. Furthermore, when the filter is clogged, there is no escape route for circulating air, the pressure in the circulating air flow path rises, leaks into the drain hose connected to the water tank, and is ejected to the drain trap, where it accumulates. When the water is blown off by the wind pressure, the trap function is destroyed and the smell from the sewer pipe leaks, but the excess of circulating air during such clogging communicates with the negative pressure region. The pressure rises naturally because it flows back to the outside air introduction path and exits outside.

外気排出路に連通させるフィルタ室の外部排気連通口は、循環空気排出口よりも小さい、さらなる構成によれば、
外部排気連通口と循環空気排出口との通気抵抗の大小調整により、循環空気の循環空気排出口への排出を優先し、外部排気連通口を通じいたずらに外部に抜け出るのを防止することができる。 According to a further configuration, the external exhaust communication port of the filter chamber connected to the outside air discharge path is smaller than the circulating air discharge port.
By adjusting the ventilation resistance between the external exhaust communication port and the circulating air discharge port, priority is given to the discharge of the circulating air to the circulating air discharge port, and it is possible to prevent the external exhaust from being accidentally pulled out through the external exhaust communication port.

負圧領域は、支持枠の循環空気導入側の半部に循環空気導入域と並設されている、さらなる構成によれば、
支持枠の循環空気排出側の半部と無関係な循環空気導入側の半部の空間を利用してそれぞれに必要な広さを満足して負圧領域及び循環空気導入域とが設けられる。 According to a further configuration, the negative pressure region is arranged side by side with the circulating air introduction region on the circulating air introduction side half of the support frame,
A negative pressure region and a circulating air introduction region are provided by satisfying the necessary widths by utilizing the space on the circulating air introduction side that is unrelated to the half of the circulating air discharge side of the support frame.

負圧領域は、それよりも広い前記循環空気導入域から前記支持枠の循環空気導入側半部内の仕切り部により仕切って形成され、循環空気導入域に併せ循環空気排出側に通じている、さらなる構成では、
仕切り部で区画するだけの極く簡単な構造で循環空気導入域と負圧領域とを並設して、循環空気導入域から循環空気排出口に抜ける循環空気の流れによって負圧領域に吸引作用が及ぶようにできる。 The negative pressure region is formed by partitioning from the wider circulating air introduction region by a partition portion in the half of the circulating air introduction side of the support frame, and communicates with the circulating air introduction region to the circulating air discharge side. In the configuration
A circulation air introduction area and a negative pressure area are arranged side by side with a very simple structure that is partitioned by a partition part, and suction is applied to the negative pressure area due to the flow of circulation air from the circulation air introduction area to the circulation air discharge port. Can be covered.

外気導入路は、負圧領域の前記仕切部に対向する周壁部に開口している、さらなる構成では、
外気導入路を通じて負圧領域に吸引される外気は仕切り部に衝突して真下にあるフィルタ室の循環空気排出口に向うことになり、フィルタ室の循環空気導入口から循環空気導入側の半部が形成する循環空気導入域に導入した循環空気が循環空気排出側の半部に向かってフィルタ室の循環空気排出口に向う流れにスムーズに合流して混合され、循環空気の流れが乱れるようなことはないし、循環空気の流れが負圧領域に吸引力を及ぼしやすく、かつ、そこに吸引した外気をフィルタ室の循環空気排出口に向かわせやすい関係を満足する。 In the further configuration, the outside air introduction path is opened in the peripheral wall portion facing the partition portion of the negative pressure region,
The outside air sucked into the negative pressure region through the outside air introduction path collides with the partition and goes to the circulating air discharge port of the filter chamber directly below, and the half of the circulating air introduction side from the circulating air introduction port of the filter chamber The circulating air introduced into the circulating air introduction area formed by the air is smoothly mixed and mixed with the flow toward the circulating air discharge port of the filter chamber toward the half of the circulating air discharge side, and the flow of the circulating air is disturbed. In other words, the relationship is such that the flow of the circulating air tends to exert a suction force on the negative pressure region, and the outside air sucked therein tends to be directed to the circulating air discharge port of the filter chamber.

支持枠の循環空気導入側の半部の循環空気導入域及び負圧領域は前部へ開放され、フィルタ室のフィルタ着脱側の循環空気導入口を持った前部壁によって循環空気導入口まわりが閉じられるようにしている、さらなる構成によれば、
支持枠の循環空気導入側の半部における循環空気導入域及び負圧領域共に前部が開放されてフィルタ室と合わせ機能する単純形状となり、成形しやすいものとなる。 The circulating air introduction area and the negative pressure area on the half of the circulating air introduction side of the support frame are opened to the front, and the circulating air introduction opening is surrounded by the front wall with the circulation air introduction opening on the filter attachment / detachment side of the filter chamber. According to a further configuration that is to be closed,
Both the circulating air introduction region and the negative pressure region in the half of the support frame on the circulating air introduction side have a simple shape that functions together with the filter chamber by opening the front part, and is easy to mold.

洗濯乾燥機本体の天面にフィルタの着脱口が形成され、フィルタ室は、前記着脱口側の半部の前部壁に循環空気導入口が、後部壁に外部排気連通口が互いに対向して形成されると共に、奥側の半部の後部壁の外部排気連通口よりも下で側方に外れた位置に循環空気排出口が形成されており、フィルタは、フィルタ室への装着時に前記着脱口を塞ぐ天板を有し、この天板の下面に前記支持枠がその循環空気導入側で一体になっている、さらなる構成によれば、
過剰な循環空気はフィルタ室の上半部の前部壁にある循環空気導入口から支持枠の循環空気導入側の半部の循環空気導入域に導入されて後、過剰分がフィルタ室の循環空気導入側の半部の後部壁にある外部排気連通口へ直進するように難なく押し出され外部に排気される。残る通常風量となって循環空気はフィルタ室の循環空気排出側の半部にある、後部壁の循環空気導入口、外部排気連通口の下でそれらから側方へ離れて位置する循環空気排出口へとスムーズに向い排出されながら負圧領域に吸引力を及ぼす。しかもフィルタはその着脱口を通じ着脱口を天板で塞ぐように装着するだけでよく、この着脱口の天板による塞ぎによって外観を図に示すようなほぼ面一状態にするなど、美観よく整え、また、人などがより引っ掛かり難くすることができる。 A filter attachment / detachment opening is formed on the top surface of the washing / drying machine main body, and the filter chamber has a circulation air introduction port on the front wall of the half on the attachment / detachment opening side and an external exhaust communication port on the rear wall facing each other. The circulating air discharge port is formed at a position that is formed laterally below the external exhaust communication port on the rear wall of the rear half, and is attached to the filter chamber when the filter is attached to the filter chamber. According to a further configuration, which has a top plate that closes the outlet, the support frame is integrated on the lower surface of the top plate on the circulating air introduction side.
Excess circulating air is introduced from the circulating air introduction port on the front wall of the upper half of the filter chamber into the circulating air introduction area on the circulating air introduction side of the support frame, and then the excess is circulated in the filter chamber. It is pushed out without difficulty so as to go straight to the external exhaust communication port in the rear wall of the half on the air introduction side, and exhausted to the outside. The remaining normal air volume and circulating air is in the half of the circulating air discharge side of the filter chamber, the circulating air discharge port located laterally away from the circulating air introduction port on the rear wall and the external exhaust communication port It exerts a suction force on the negative pressure area while being smoothly discharged. In addition, the filter only needs to be installed so that the attachment / detachment opening is closed with a top plate through the attachment / detachment opening, and the appearance is almost flushed as shown in the figure by closing the attachment / detachment opening with the top plate. In addition, it is possible to make it harder for people to get caught.

前記天板に上方へ開口する手掛り凹部を有している、さらなる構成によれば、
フィルタの着脱が手掛り凹部に手指を掛けて安定に引き出し装着できる。 According to the further structure which has the cue recessed part opened upwards in the top plate,
The filter can be attached and detached, and can be pulled out and attached stably by placing a finger on the recess.

本発明によれば、外気導入路は乾燥工程において上限温度が検出された場合などに開きさえすれば、フィルタ室の循環空気導入口から循環空気排出口へと通過する循環空気の流れを利用して前記循環空気中に外気を吸引して混合させ循環空気の温度を下げられ、フィルタ室における空気通路の簡単な改良によって回転ドラム内や循環空気が異常昇温するようなことを防止できる。また、外部空気の導入によって循環空気量が過剰になってもその過剰分は送風圧を利用して外部に抜ける。さらに、フィルタが目詰まり下場合には、循環空気の逃げ道が無くなり、循環送風経路の圧力が上昇し、水槽に接続された排水ホースに漏れて排水トラップに噴出し、そこに溜まっている水がその送風圧によって飛ばされることで、トラップの機能が破壊され、下水管からの臭いが漏れたりするが、このような目詰まりの際の循環空気の過剰分は、負圧領域に連通している外気導入路に逆流して外部に抜けるので、自然に昇圧を解消することができる。   According to the present invention, the flow of the circulating air that passes from the circulating air inlet of the filter chamber to the circulating air outlet is used as long as the outside air introduction path opens when the upper limit temperature is detected in the drying process. Thus, the temperature of the circulating air can be lowered by sucking and mixing outside air into the circulating air, and it is possible to prevent abnormal temperature rise in the rotating drum or circulating air by simple improvement of the air passage in the filter chamber. Moreover, even if the amount of circulating air becomes excessive due to the introduction of external air, the excess amount escapes to the outside using the blowing pressure. In addition, when the filter is clogged, there is no escape route for circulating air, the pressure in the circulating air passage rises, leaks into the drain hose connected to the water tank, and blows out into the drain trap, and the water accumulated there By being blown by the blowing pressure, the function of the trap is destroyed and the smell from the sewer pipe leaks, but the excess of circulating air at the time of such clogging communicates with the negative pressure region Since the pressure flows back to the outside air introduction path and escapes to the outside, the pressure increase can be canceled naturally.

本発明の実施形態に係る図１に示すドラム式洗濯乾燥機１は、洗濯乾燥機本体４４内に図示しないサスペンション構造によって水槽３が宙吊り状態に配設され、水槽３内に有底円筒形に形成された回転ドラム２がその軸心方向を正面側から背面側に向けて下向きに傾斜させて配設されている。水槽３の正面側には回転ドラム２の開口端に通じる衣類出入口１１が形成され、洗濯乾燥機本体４４の正面側に形成された上向き傾斜面に設けられた開口部を開閉可能に閉じる扉９を開くことにより、前記衣類出入口１１を通じて回転ドラム２内に対して洗濯物を出し入れすることができる。扉９が上向き傾斜面に設けられているため、洗濯物を出し入れする作業を腰を屈めることなく実施でき、一般には横向きにある開口部から洗濯物を出し入れするドラム式洗濯機の作業性の悪さが改善されている。   In the drum type washing / drying machine 1 shown in FIG. 1 according to the embodiment of the present invention, the water tank 3 is suspended in the washing / drying machine main body 44 by a suspension structure (not shown), and the water tank 3 has a bottomed cylindrical shape. The formed rotating drum 2 is disposed such that its axial direction is inclined downward from the front side to the back side. A clothing doorway 11 leading to the opening end of the rotary drum 2 is formed on the front side of the water tank 3, and a door 9 that closes the opening provided on the upward inclined surface formed on the front side of the washing and drying machine main body 44 so as to be openable and closable. The laundry can be taken in and out of the rotary drum 2 through the clothing entrance 11. Since the door 9 is provided on the upward inclined surface, the work for putting in and out the laundry can be carried out without bending the waist, and generally the workability of the drum type washing machine for taking in and out the laundry from the sideways opening is provided. The evil has been improved.

回転ドラム２には、その周面に水槽３内に通じる多数の透孔８が形成され、内周面の複数位置に攪拌突起（図示せず）が設けられている。この回転ドラム２は水槽３の背面側に取り付けられたモータ７によって正転及び逆転方向に回転駆動される。また、水槽３には、注水管路１２及び排水管路１３が配管接続され、図示しない注水弁及び排水弁の制御によって水槽３内への注水及び排水がなされる。   The rotating drum 2 is formed with a large number of through holes 8 communicating with the water tank 3 on its peripheral surface, and provided with stirring protrusions (not shown) at a plurality of positions on the inner peripheral surface. The rotating drum 2 is rotationally driven in the forward and reverse directions by a motor 7 attached to the back side of the water tank 3. Further, a water injection pipe 12 and a drain pipe 13 are connected to the water tank 3, and water is poured into and drained into the water tank 3 by control of a water injection valve and a drain valve (not shown).

扉９を開いて回転ドラム２内に洗濯物及び洗剤を投入してドラム式洗濯乾燥機１の運転を開始させると、水槽３内には注水管路１２から所定量の注水がなされ、モータ７により回転ドラム２が回転駆動されて洗濯工程が開始される。回転ドラム２の回転により、回転ドラム２内に収容された洗濯物は回転ドラム２の内周壁に設けられた攪拌突起によって回転方向に持ち上げられ、持ち上げられた適当な高さ位置から落下する攪拌動作が繰り返されるので、洗濯物には叩き洗いの作用が及んで洗濯がなされる。所要の洗濯時間の後、汚れた洗濯液は排水管路１３から排出され、回転ドラム２を高速回転させる脱水動作により洗濯物に含まれた洗濯液を脱水し、その後、水槽３内に注水管路１２から注水してすすぎ工程が実施される。このすすぎ工程においても回転ドラム２内に収容された洗濯物は回転ドラム２の回転により攪拌突起により持ち上げられて落下する攪拌動作が繰り返されてすすぎ洗いが実施される。   When the door 9 is opened and laundry and detergent are put into the rotating drum 2 to start the operation of the drum-type washing / drying machine 1, a predetermined amount of water is injected into the water tank 3 from the water injection pipe 12. As a result, the rotary drum 2 is rotationally driven to start the washing process. By the rotation of the rotating drum 2, the laundry accommodated in the rotating drum 2 is lifted in the rotating direction by the stirring protrusion provided on the inner peripheral wall of the rotating drum 2, and the stirring operation of dropping from the lifted appropriate height position Is repeated, so that the laundry has the effect of tapping and washing. After the required washing time, the dirty washing liquid is discharged from the drain pipe 13, and the washing liquid contained in the laundry is dehydrated by a dehydrating operation that rotates the rotating drum 2 at a high speed. Rinsing is performed by pouring water from the passage 12. Also in this rinsing step, the laundry stored in the rotary drum 2 is rinsed by repeating the stirring operation in which the laundry is lifted by the stirring protrusion by the rotation of the rotary drum 2 and dropped.

このドラム式洗濯乾燥機１には、回転ドラム２内に収容した洗濯物を乾燥する機能が設けられ、図１、図２に示すような水槽３内の空気を排気して除湿し、加熱した乾燥した空気を再び水槽３内に送風する既述した循環送風経路５が形成されている。この循環送風経路５の途中には図１に示すように蒸発器３１などの除湿手段、凝縮器３２などの加熱手段及び送風手段である送風ファン１５が設けられるのが既述したように一般的であり、この送風ファン１５を回転駆動することにより、循環送風経路５に空気の流れが発生して洗濯物を収容した回転ドラム２内の空気は透孔８を通じて水槽３から送風ファン１５側への循環空気導入管路１６に排気され、送風ファン１５の上流に位置する蒸発器３１に水分を結露させて除湿することと、６５℃程度に昇温する凝縮器３２との熱交換により加熱することとで常に乾燥した高温の空気とされる。この乾燥した高温の空気は送風ファン１５から水槽３への送風管路３３に送り出されて水槽３内に送風される。水槽３内に送風された高温の乾燥空気は透孔８を通じて回転ドラム２内に入って衣類などの洗濯物に曝されながら水槽３へと抜け、再度循環空気導入管路１６へと導入され、以上の循環送風経路５での空気の循環の繰り返しにより乾燥工程が実施される。   The drum-type washing / drying machine 1 has a function of drying laundry stored in the rotary drum 2. The air in the water tank 3 as shown in FIGS. 1 and 2 is exhausted to dehumidify and heat. The circulation air flow path 5 described above for blowing the dried air into the water tank 3 again is formed. As described above, it is general that a dehumidifying means such as an evaporator 31, a heating means such as a condenser 32, and a blower fan 15 as a blowing means are provided in the middle of the circulating air flow path 5 as shown in FIG. 1. When the blower fan 15 is driven to rotate, air flows in the circulation blower path 5 so that the air in the rotary drum 2 containing the laundry flows from the water tank 3 to the blower fan 15 through the through-hole 8. The air is exhausted to the circulating air introduction pipe 16 and dehydrated by dehydrating the evaporator 31 located upstream of the blower fan 15 and heated by heat exchange with the condenser 32 that is heated to about 65 ° C. With that, it is always dry and hot air. This dried high-temperature air is sent from the blower fan 15 to the blower duct 33 to the water tank 3 and blown into the water tank 3. The high-temperature dry air blown into the water tank 3 enters the rotary drum 2 through the through holes 8 and escapes to the water tank 3 while being exposed to laundry such as clothes, and is again introduced into the circulating air introduction pipe line 16. The drying process is carried out by repeating the circulation of the air in the circulating air flow path 5 described above.

また、この循環送風経路５を利用した乾燥工程では、循環送風経路５を循環される空気中に主として衣類などの洗濯物から発生する糸くずなどの異物が混じって循環し、蒸発器３１や凝縮器３２の目詰まり、送風ファン１５の回転部への噛み込み、送風ファン１５の内面への堆積といった乾燥工程を実施するのに支障を来しやすく、面倒なメンテナンスを頻繁に行う必要があることから、循環送風経路５の途中に、具体的には蒸発器３１、凝縮器３２、送風ファン１５の上流側、従って、図１、図２に示すような循環空気導入管路１６の途中に、循環空気中の異物を除去する主フィルタ３５を収容したフィルタ室３６を設けることが一般的になっている。これによって、洗濯物を乾燥させた後の空気に異物が混入して蒸発器３１側の循環空気導入管路１６側に導入されてきても、フィルタ室３６を通る際に主フィルタ３５によって捕集され、下流側への循環空気に混入することはない。従って、蒸発器３１、凝縮器３２、送風ファン１５の機能が長期に保全される。しかし一方では、フィルタ室３６内の主フィルタ３５には捕集された異物が堆積していき、循環空気の通過抵抗が徐々に増していき、乾燥機能を低下させる問題があるので、主フィルタ３５は既述した特許文献１、２に記載のように着脱できるように設けられる。   Further, in the drying process using the circulating air passage 5, foreign matters such as lint generated from laundry such as clothes are circulated in the air circulated through the circulating air passage 5, and the evaporator 31 and the condenser 31 are condensed. It is difficult to carry out a drying process such as clogging of the vessel 32, biting into the rotating part of the blower fan 15, and accumulation on the inner surface of the blower fan 15, and frequent troublesome maintenance is required. From the middle of the circulating air flow path 5, specifically, the upstream side of the evaporator 31, the condenser 32, and the blower fan 15, and accordingly, in the middle of the circulating air introduction pipe line 16 as shown in FIGS. It is common to provide a filter chamber 36 that houses a main filter 35 that removes foreign matter in the circulating air. As a result, even if foreign matter is mixed into the air after the laundry is dried and introduced into the circulating air introduction pipe 16 side on the evaporator 31 side, it is collected by the main filter 35 when passing through the filter chamber 36. And is not mixed into the circulating air downstream. Therefore, the functions of the evaporator 31, the condenser 32, and the blower fan 15 are maintained for a long time. On the other hand, however, there is a problem in that the collected foreign matter accumulates on the main filter 35 in the filter chamber 36, and the passage resistance of the circulating air gradually increases, thereby lowering the drying function. Is provided so as to be detachable as described in Patent Documents 1 and 2 described above.

なお、蒸発器３１、凝縮器３２はこれらに冷媒を循環させる冷媒回路で接続した圧縮機３７と共に１つの器体３８に収容した図１に示すような空気調和機３９として取り扱い、この空気調和機３９の導入空気を除湿及び加熱した後に排気する排気口４１側に送風ファン１５の吸気口４２側を相互間の防振構造部を有して結合し一体化している。これにより、圧縮機３７、蒸発器３１、凝縮器３２が器体３８への収納により一纏めになった大量生産向きの機器となった空気調和機３９と送風ファン１５との２つの単独機器の結合で４つの機器、つまり圧縮機３７、蒸発器３１、凝縮器３２、送風ファン１５のそれぞれを循環送風経路５の一部をなして所定の機能を達成する空調・送風ユニット８１として関係付けられる。   The evaporator 31 and the condenser 32 are handled as an air conditioner 39 as shown in FIG. 1 housed in one container 38 together with a compressor 37 connected by a refrigerant circuit for circulating a refrigerant therethrough. The air inlet 41 side of the blower fan 15 is coupled to the exhaust port 41 side for exhausting air after dehumidifying and heating the introduced air of 39 with a vibration-proof structure portion between them and integrated. As a result, the compressor 37, the evaporator 31, and the condenser 32 are combined into a container body 38, and the two air conditioners 39 and the blower fan 15 are combined into a single unit suitable for mass production. Thus, each of the four devices, that is, the compressor 37, the evaporator 31, the condenser 32, and the blower fan 15 is related as an air conditioning / blower unit 81 that forms a part of the circulation blower path 5 and achieves a predetermined function.

前記主フィルタ３５を設けるのに、本実施の形態では、特に、特許文献１、２に記載のもののような問題を解消するため、主フィルタ３５で代表するフィルタ９１は、洗濯乾燥機本体４４の天面４４ａに開口する図１、図３〜図５に示す着脱口５１から、下部より上部へ前方に傾斜した着脱経路５２でフィルタ室３６に対し着脱するようにしている。このようにすれば、乾燥工程において循環送風経路５を循環する循環空気を、循環送風経路５途中のフィルタ室３６に装着した主フィルタ３５に通して、糸くずなどの異物を捕集するのに、主フィルタ３５は比較的背の高い洗濯乾燥機本体４４の天面４４ａにて着脱することにより人などが不用意に引っ掛かって弛むようなことを回避しやすくい条件を満足して、しかも、洗濯乾燥機本体４４の天面４４ａに開口した着脱口５１から、特許文献２に記載のもののような垂直な着脱経路での着脱であることによりその着脱力に前方への拗れ成分が生じやすいものに比し、拗れの生じ難い下部より上部へ前方に傾斜した着脱経路５２に沿った方向で難なくスムーズに着脱できる。それには、着脱口５１からこれに続くフィルタ室３６が主フィルタ３５の所定位置への着脱ストロークの全長にて傾斜した着脱経路５２により案内できるようにするのが好適である。   In the present embodiment, in order to solve the problems such as those described in Patent Documents 1 and 2, the filter 91 typified by the main filter 35 is provided in the washing / drying machine main body 44 in order to provide the main filter 35. From the attachment / detachment port 51 shown in FIGS. 1 and 3 to 5 opened in the top surface 44a, the filter chamber 36 is attached / detached through an attachment / detachment path 52 inclined forward from the lower part to the upper part. In this way, the circulating air circulating through the circulation air passage 5 in the drying process is passed through the main filter 35 attached to the filter chamber 36 in the middle of the circulation air passage 5 to collect foreign matters such as lint. The main filter 35 satisfies a condition that it is easy to avoid a person or the like from being inadvertently caught and loosened by being attached and detached at the top surface 44a of the relatively tall washing and drying machine main body 44, From the attachment / detachment opening 51 opened on the top surface 44a of the washing / drying machine main body 44, it is easy to produce a forward drooping component in the attachment / detachment force due to attachment / detachment through a vertical attachment / detachment path such as that described in Patent Document 2. Compared with a thing, it can be attached and detached smoothly without difficulty in the direction along the attachment / detachment path 52 inclined forward from the lower part to the upper part where it is difficult to bend. For this purpose, it is preferable that the filter chamber 36 that follows from the attachment / detachment port 51 can be guided by the attachment / detachment path 52 that is inclined over the entire attachment / detachment stroke of the main filter 35 to a predetermined position.

また、主フィルタ３５は図２、図３、図５、図７、図８に示すように、前記着脱口５１を塞ぐ天板５３を有し、この天板５３に閉じばね５４に抗して上方から押し開く蓋５５を持った手掛り凹部５６を有したものとしている。これにより、主フィルタ３５の着脱口５１を通じた装着によって、その最終に着脱口５１を天板５３で塞いで外観を図に示すようなほぼ面一状態にするなど、美観よく整え、また、人などがより引っ掛かり難くすることができるし、天板５３に設けた手掛り凹部５６に手指を掛けて安定に引き出し装着できる。特に、この手掛り凹部５６に閉じばね５４が働く蓋５５によって常時閉じておくので、手掛り凹部５６が人などの不用意な引っ掛かりの原因になりにくいし、主フィルタ３５の着脱時は手掛り凹部５６に手指をかける動作で蓋５５押し開けるので特別な作業なしに手指を掛けて主フィルタ３５を容易かつ簡単に着脱できる。しかも、手掛り凹部５６はその開口の前部に手指を掛ける後ろ向きの手掛り縁５６ａを形成し、この手掛り縁５６ａは天板５３の前後方向ほぼ中央ないしはやや前部寄りに位置している関係から、手掛り凹部５６に手指を掛けるのに、その開口の前部に後ろ向きになった手掛り縁５６ａを有していることにより、前方から洗濯乾燥機本体４４の天面４４ａ上に腕を延ばして手掛り凹部５６に手指を入れて折り曲げる自然な動作で簡単に、しかも滑りなく手掛り縁５６ａに引っ掛かって主フィルタ３５を容易かつ確実に引き出せるし、手掛り縁５６ａに引っ掛けた手指部と天板５３の外面に沿う掌部とで天板５３を挟み持ち主フィルタ３５を安定に把持して、引き出し後の持ち運びなどの取り扱いもフィルタ室３６への装着も容易に安定してできる。さらに、蓋５５はその後部が手掛り凹部５６の開口の後部にヒンジピン５７によりヒンジ連結されているので、手掛り凹部５６に手指を入れる際の蓋５５の押し開きにより手掛り縁５６ａを開放してそのまま手指を掛けられるので、着脱のための手掛り凹部５６、手掛り縁５６ａに対する指掛け作業が連続した一挙動にて簡単に行える。   Further, as shown in FIGS. 2, 3, 5, 7, and 8, the main filter 35 has a top plate 53 that closes the attachment / detachment port 51. It is assumed that a cue recess 56 having a lid 55 that pushes upward from above is provided. Thus, by attaching the main filter 35 through the attachment / detachment opening 51, the attachment / detachment opening 51 is finally closed by the top plate 53 so that the appearance is substantially flush as shown in the figure. Can be more easily caught, and can be pulled out and attached stably by placing a finger on the hand-carrying recess 56 provided on the top plate 53. In particular, since the clasp recess 56 is always closed by the lid 55 on which the closing spring 54 works, the clasp recess 56 is unlikely to cause inadvertent catching by a person or the like. Since the lid 55 is pushed open by the operation of applying a finger, the main filter 35 can be easily and easily attached / detached by applying the finger without any special work. In addition, the cue recess 56 forms a rearward cue edge 56a for placing a finger on the front part of the opening, and this cue edge 56a is located in the center of the top plate 53 in the front-rear direction or slightly closer to the front. In order to hang a finger on the clasp recess 56, a clasp edge 56a facing backward is provided at the front portion of the opening, so that the arm extends from the front onto the top surface 44a of the washer / dryer main body 44 and the clasp recess The main filter 35 can be pulled out easily and reliably by the natural action of putting a finger in the hand 56 and bending it easily and without slipping, and along the outer surface of the top plate 53 and the finger part hooked on the hand edge 56a. Holding the top filter 53 between the palm and holding the main filter 35 stably, handling such as carrying after pulling out and mounting to the filter chamber 36 is easy and stable. That. Further, since the rear portion of the lid 55 is hingedly connected to the rear portion of the opening of the handle recess 56 by a hinge pin 57, the handle edge 56a is opened by pushing the lid 55 open when the finger is put into the handle recess 56, and the finger is left as it is. Therefore, it is possible to easily perform the finger-hanging operation on the cue recess 56 for attaching and detaching and the cue edge 56a with a continuous behavior.

さらに詳述すると主フィルタ３５は図５、図７、図８に示すように、天板５３から下方に延びるように一体成形するか連結した主支持枠７１に主フィルタ材７９を支持してフィルタ室３６の図５に示す循環空気排出口７２の内側に位置させ、主支持枠７１の天板５３下部分の外周にシリコンゴムなどよりなるシールパッキン７３を装着して、主フィルタ３５のフィルタ室３６の所定位置への装着時に前記シールパッキン７３が着脱口５１の内側の内周にある段部７４に圧接してフィルタ室３６を密閉するようにしてあり、主フィルタ３５とフィルタ室３６との間には主フィルタ３５の所定位置への装着時に弾性的に係合し合う図８、図９に示すような弾性係合部７５を設けてある。これにより、天板５３で着脱口５１を塞ぐように主フィルタ３５をフィルタ室３６に装着するだけで、天板５３から下方に延びる主支持枠７１が主フィルタ材７９を伴いフィルタ室３６に挿入でき、所定の装着位置で主支持枠７１の天板５３下部分の外周に設けたシールパッキン７３の着脱口５１の内側の内周の段部７４への圧接と、弾性係合部７５の弾性係合とによってフィルタ室３６を密閉状態に維持するとともに、主フィルタ材７９をフィルタ室３６の循環空気排出口７２の内側に正しく位置決めできる。特に、主支持枠７１のシールパッキン７３の装着部はフィルタ室３６の段部７４と対向し合うフランジ部７１ａで、シールパッキン７３がフランジ部７１ａへの装着部７３ａから延びて段部７４に圧接するシールリップ７３ｂを有している関係から、シールパッキン７３は主支持枠７１のフランジ部７１ａに確固にバックアップされてシールリップ７３ｂを着脱口５１内側の内周の段部７４の全周によく馴染んで確実に圧接させられ、空気漏れが生じないものとすることができる。また、装着部７３ａはフランジ部７１ａのバックアップによって補強されるので、薄いもので十分である。ここで、着脱口５１は洗濯乾燥機本体４４の天面４４ａをなす天面壁４４ｂに形成しているのに対し、フィルタ室３６をシールパッキン７３によって密閉する段部７４は前記着脱口５１の真下に位置させて支持したフィルタ室３６の開口３６ｄの内周に形成している。   More specifically, as shown in FIGS. 5, 7, and 8, the main filter 35 is formed by supporting a main filter material 79 on a main support frame 71 that is integrally formed or connected so as to extend downward from the top plate 53. A seal packing 73 made of silicon rubber or the like is attached to the outer periphery of the lower portion of the top plate 53 of the main support frame 71 so as to be positioned inside the circulating air discharge port 72 shown in FIG. When the seal packing 73 is attached to a predetermined position, the seal packing 73 is pressed against a stepped portion 74 on the inner periphery of the attachment / detachment opening 51 to seal the filter chamber 36, and the main filter 35 and the filter chamber 36 are sealed. An elastic engagement portion 75 as shown in FIGS. 8 and 9 that engages elastically when the main filter 35 is mounted at a predetermined position is provided therebetween. As a result, the main support frame 71 extending downward from the top plate 53 is inserted into the filter chamber 36 with the main filter material 79 only by attaching the main filter 35 to the filter chamber 36 so as to block the attachment / detachment port 51 with the top plate 53. The seal packing 73 provided on the outer periphery of the lower portion of the top plate 53 of the main support frame 71 at a predetermined mounting position is pressed against the inner peripheral step 74 inside the attachment / detachment port 51 and the elastic engagement portion 75 is elastic. The filter chamber 36 is maintained in a sealed state by the engagement, and the main filter material 79 can be correctly positioned inside the circulating air outlet 72 of the filter chamber 36. In particular, the mounting portion of the seal packing 73 of the main support frame 71 is a flange portion 71a facing the step portion 74 of the filter chamber 36, and the seal packing 73 extends from the mounting portion 73a to the flange portion 71a and presses against the step portion 74. Therefore, the seal packing 73 is firmly backed up by the flange portion 71a of the main support frame 71 so that the seal lip 73b is placed on the entire circumference of the inner peripheral step portion 74 inside the attachment / detachment port 51. It can be adapted to be in contact with each other and surely pressed, and no air leakage occurs. Further, since the mounting portion 73a is reinforced by the backup of the flange portion 71a, a thin one is sufficient. Here, the attachment / detachment port 51 is formed on the top surface wall 44b that forms the top surface 44a of the washing / drying machine main body 44, whereas the stepped portion 74 that seals the filter chamber 36 with the seal packing 73 is directly below the attachment / detachment port 51. It is formed on the inner periphery of the opening 36d of the filter chamber 36 which is positioned and supported.

天面壁４４ｂに開口する着脱口５１は図３〜図５、図９に示すように、天面４４ａから立ち上がる堰き部４４ｃを全周囲に有し、この堰き部４４ｃの内側に装着した主フィルタ３５の天板５３を嵌め合わせる凹部４４ｄを有したものとしている。これにより、天板５３が凹部４４ｄから単独で天面４４ａに突出しないようにして人などが引っ掛からないようにできるし、天面４４ａ上に水が少々こぼれ落ちても堰き部４４ｃにて堰き止め着脱口５１に進入するのを阻止し、洗濯乾燥機本体４４内の電気装備品を損なうのを防止できる。また、天板５３は、外周に下向きに突出する凸壁５３ａを有し、凹部４４ｄはその周壁４４ｅと内周の上向き凸部４４ｆとの間に前記凸壁５３ａを受け入れる印籠合わせとなる嵌め合わせ構造を有して天板５３を受載するようになっており、万一にも着脱口５１に水が侵入してきても、凹部４４ｄでの天板５３との印籠嵌め構造によるシール機能にて着脱口５１の内側にまで及ぶのを防止でき、電気装備品のさらなる安全が図れる。さらに、天板５３は、前記堰き部４４ｃよりもやや低くなるようにしている。これによって、水が堰き部４４ｃの上に及んでも水の表面張力によって段落ちしている天板５３側への濡れ移りを抑止することができ、これによっても電気装備品の安全が高まる。   As shown in FIGS. 3 to 5 and 9, the attachment / detachment port 51 that opens to the top wall 44 b has a dam portion 44 c that rises from the top surface 44 a on the entire periphery, and the main filter 35 that is mounted inside the dam portion 44 c. It is assumed that a concave portion 44d for fitting the top plate 53 is provided. As a result, the top plate 53 does not protrude from the concave portion 44d alone to the top surface 44a so that a person or the like is not caught, and even if a little water spills on the top surface 44a, the top plate 53 is dammed by the dam portion 44c. It is possible to prevent entry into the outlet 51 and prevent damage to the electrical equipment in the washing / drying machine main body 44. Further, the top plate 53 has a convex wall 53a projecting downward on the outer periphery, and the concave portion 44d is a fitting that serves as a seal to receive the convex wall 53a between the peripheral wall 44e and the upward convex portion 44f of the inner periphery. It has a structure to receive the top plate 53. Even if water enters the attachment / detachment port 51, the sealing function by the seal fitting structure with the top plate 53 in the recess 44d is provided. It is possible to prevent the inside of the attachment / detachment port 51 from extending, and further safety of the electrical equipment can be achieved. Furthermore, the top plate 53 is made slightly lower than the dam portion 44c. As a result, even when water reaches the weir portion 44c, it is possible to suppress the wetting and shifting to the top plate 53 side that has dropped due to the surface tension of the water, and this also increases the safety of the electrical equipment.

前記弾性係合部７５は図９に示すように、係合凹部または図示する係合穴７５ａと図に示すような樹脂ばね７５ｂとの組み合わせであり、樹脂ばね７５ｂは着脱できるようにしてある。これにより、弾性係合部７５は樹脂ばね７５ｂの軟らかな弾性を利用して主フィルタ３５の着脱に際し係合穴７５ａと簡単に係脱し合うことができ、主フィルタ３５の着脱に特に邪魔にならないし、装着の終期と取り出しの初期とに弾性係合し、また弾性係合が外れるクリック感やクリック音にてユーザに装着完了と取り出し始めであることを告知することができる。しかも、樹脂ばね７５ｂは両端固定でその両端間に係合穴７５ａと係合し合う主フィルタ３５の着脱方向に山形をなして屈曲した係合部７５ｂ１を持ったものとして、突っ張り力をやや高めると共に、耐久性の高いものとしている。また、樹脂ばね７５ｂの山形は主フィルタ３５の装着方向の立ち上がり角度を引き出し方向の立ち上がり角度よりも大きくしてあり、主フィルタ３５の装着完了の直近にて係合穴７５ａへの着脱経路５２上の段部７５ａ１と立ち上がり角度の高い側が係合し始めて装着抵抗をやや強めることで装着完了間近であることをユーザに感知させながら装着を終了させられる。また、上向きの着脱口５１を通じた着脱で不用意に主フィルタ３５が外れることがない関係もあって、主フィルタ３５の上方への引き出し初期には立ち上がり角度の小さな側で係合穴７５ａから主フィルタ３５の装着完了時よりも小さな抵抗を与えて、引き出しが開始していることをユーザに体感させながら、係合が外れることによる係合による抵抗のない引き出し状態に移行させて簡易に引き出せるようになる。しかも、樹脂ばね７５ｂは折損しやすいが、それ単独に交換できるので容易かつ安価に対応できる。このために、樹脂ばね７５ｂは図８、図９に示すように主フィルタ３５の主支持枠７１の側に設けて、主フィルタ３５を引き出せば主支持枠７１の外まわりに露出するようにしてあり、交換しやすい。この交換のために樹脂ばね７５ｂは前方に開口したボックス体７６の背部の左右に２本一体形成してあり、ボックス体７６をその開口の側で主支持枠７１の背部に嵌め合せて図５、図９に示すねじ７７によりねじ止めし着脱できるようにしている。また、これに対応して係合穴７５ａは着脱経路５２の背壁の側に設けてあり、弾性係合部７５が着脱経路５２の前壁に位置して着脱する主フィルタ３５が摺動する際に、樹脂ばね７５ｂが不要な範囲で着脱経路５２の前壁に摺接して折損などしやすくなるのを防止することができる。   As shown in FIG. 9, the elastic engagement portion 75 is a combination of an engagement recess or an engagement hole 75a shown in the drawing and a resin spring 75b as shown in the drawing, and the resin spring 75b is detachable. Thereby, the elastic engagement portion 75 can be easily engaged with and disengaged from the engagement hole 75a when the main filter 35 is attached / detached by utilizing the soft elasticity of the resin spring 75b, and does not particularly interfere with the attachment / detachment of the main filter 35. Then, it is possible to notify the user of the completion of the mounting and the start of the removal with a click feeling or a clicking sound that elastically engages at the end of the mounting and at the initial stage of the removal, and the elastic engagement is released. Moreover, the resin spring 75b is fixed at both ends and has an engaging portion 75b1 bent in a mountain shape in the attaching / detaching direction of the main filter 35 that engages with the engaging hole 75a between the both ends, so that the tension force is slightly increased. At the same time, it has high durability. The angle of the resin spring 75b is such that the rising angle in the mounting direction of the main filter 35 is larger than the rising angle in the pulling direction, and it is on the attachment / detachment path 52 to the engagement hole 75a immediately after the mounting of the main filter 35 is completed. Since the step 75a1 and the side with the higher rising angle begin to engage and the mounting resistance is slightly increased, the mounting can be terminated while the user senses that the mounting is nearing completion. In addition, there is a relationship that the main filter 35 is not inadvertently detached by attaching / detaching through the upward attaching / detaching opening 51, so that the main filter 35 can be removed from the engaging hole 75a on the side where the rising angle is small at the initial stage of pulling upward. Applying a smaller resistance than when the filter 35 is completely attached, allowing the user to feel that the filter 35 has been pulled out, and allowing the user to easily pull out by shifting to a pull-out state without resistance due to disengagement due to disengagement. become. In addition, the resin spring 75b is easily broken, but can be replaced independently, so that it can be easily and inexpensively handled. For this purpose, the resin spring 75b is provided on the main support frame 71 side of the main filter 35 as shown in FIGS. 8 and 9, and is exposed to the outside of the main support frame 71 when the main filter 35 is pulled out. Easy to replace. For this replacement, two resin springs 75b are integrally formed on the left and right sides of the back portion of the box body 76 opened forward, and the box body 76 is fitted to the back portion of the main support frame 71 on the opening side. The screw 77 shown in FIG. 9 is screwed to be detachable. Correspondingly, the engagement hole 75 a is provided on the back wall side of the attachment / detachment path 52, and the main filter 35 to be attached / detached slides with the elastic engagement portion 75 positioned on the front wall of the attachment / detachment path 52. At this time, it is possible to prevent the resin spring 75b from being slidably brought into contact with the front wall of the attachment / detachment path 52 within a range where the resin spring 75b is not required.

主支持枠７１は、フィルタ室３６の内面にほぼ沿う図５、図７、図８に示すような籠形をなし、前記シールパッキン７３の装着部の下で図５、図６に示すフィルタ室３６の上半部３６ｂに設けられた循環空気導入口７８から循環空気を導入する上半部７１ｂと、フィルタ室３６の下半部３６ｃに設けられた循環空気排出口７２に対応する主フィルタ材７９を支持した下半部７１ｃとを有したものとしている。これにより、主支持枠７１が籠形をなしてフィルタ室３６の内面にほぼ沿うように位置して、フィルタ室３６の上半部３６ｂに設けられた循環空気導入口７８からそれに対応する上半部７１ｂに循環空気を導入して、フィルタ室３６の下半部３６ｃにある循環空気排出口７２の内側に主フィルタ材７９を支持している下半部７１ｃに導いて主フィルタ材７９を通して循環空気排出口７２へとフィルタ室３６の広さ一杯を利用してスムーズに排出させられる。また、主フィルタ材７９は必要に応じ、循環空気導入口７８に掛からず、またバイパスさせないことを条件に、循環空気排出口７２に対応する範囲はもとより、図５に示すように循環空気排出口７２を外れる広域に主フィルタ材７９を設けて図に矢印で示すように循環空気排出口７２に向う循環空気を通すのにフィルタ室３６の広さを利用することができる。これにより、主フィルタ材７９の循環空気の通過面積が増大する分だけ目詰まりしにくいものとなっている。   The main support frame 71 has a bowl shape as shown in FIGS. 5, 7, and 8 substantially along the inner surface of the filter chamber 36, and the filter chamber shown in FIGS. 5 and 6 below the mounting portion of the seal packing 73. The main filter material corresponding to the upper half 71b that introduces the circulating air from the circulating air inlet 78 provided in the upper half 36b of the 36 and the circulating air outlet 72 provided in the lower half 36c of the filter chamber 36. It has a lower half 71c supporting 79. As a result, the main support frame 71 has a bowl shape and is positioned so as to be substantially along the inner surface of the filter chamber 36, and the upper half corresponding to the circulating air introduction port 78 provided in the upper half 36 b of the filter chamber 36. Circulating air is introduced into the portion 71 b and led to the lower half portion 71 c supporting the main filter material 79 inside the circulating air discharge port 72 in the lower half portion 36 c of the filter chamber 36 and circulated through the main filter material 79. The air can be smoothly discharged to the air discharge port 72 by using the full size of the filter chamber 36. In addition, the main filter material 79 is not hung on the circulating air inlet 78 and, if necessary, not to be bypassed, as well as the range corresponding to the circulating air outlet 72, as shown in FIG. The area of the filter chamber 36 can be used to provide the main filter material 79 in a wide area outside 72 and to pass the circulating air toward the circulating air discharge port 72 as indicated by an arrow in the figure. As a result, clogging is less likely to occur due to an increase in the circulating air passage area of the main filter material 79.

この場合、フィルタ室３６及びそれに装着した主フィルタ３５の双方が図１に示すように傾斜した状態になり、フィルタ室３６の内面が洗濯乾燥機本体４４の天部壁４４ｂに形成された着脱口５１に通じる着脱経路５２をなしている。   In this case, both the filter chamber 36 and the main filter 35 attached thereto are inclined as shown in FIG. 1, and the inner surface of the filter chamber 36 is an attachment / detachment opening formed in the top wall 44 b of the washing / drying machine main body 44. An attachment / detachment path 52 leading to 51 is formed.

しかも、本実施の形態のフィルタ９１は図５、図７に示すように、フィルタ室３６の循環空気導入口７８から入り循環空気排出口７２へ排出される循環空気に対し先に働くようにした上述の主フィルタ３５に対し、その後に働くバックアップフィルタ８２との二重フィルタ構造としてあり、バックアップフィルタ８２は主フィルタ３５よりも先に装着して後で取り出され、主フィルタ３５はバックアップフィルタ８２よりも後で装着され先に取り出される関係を有して設けてあり、バックアップフィルタ８２のフィルタ室３６の奥側とな下半部３６ｃからの単独の取り出しのために、前部壁１０１ｂに内側から手指を掛けられる手掛り凹部１３３を設けてある。バックアップフィルタ８２の装着はフィルタ室３６に上方から滑り込ませるだけで着脱経路５２によって所定位置まで案内される。
このために、主フィルタ３５における主支持枠７１の下半部７１ｃの外まわりにバックアップフィルタ８２におけるフィルタ室３６の下半部３６ｃの内面に沿う籠形の副支持枠１０１を持ったバックアップフィルタ８２が被さって主フィルタ材７９の外側に副フィルタ材８３を支持するようにしてある。これによってバックアップフィルタ８２がフィルタ室３６の下半部３６ｃに装着された後主フィルタ３５がフィルタ室３６の上半部３６ｂとそれに続くバックアップフィルタ８２の内側に装着されて、フィルタ室３６に導入した循環空気は主フィルタ７１の主フィルタ材７９、バックアップフィルタ８２の副フィルタ材８３を二重に通過して循環空気排出口７２に抜ける二重フィルタ構造を満足することができる。これによって、薄く空気抵抗の少ない主フィルタ材７９および副フィルタ材８３にて細かな糸くずなどの異物を確実に捕集するので、蒸発器３１、凝縮器３２、送風ファン１５などの機器の機能の高い保全性能が得られるし、ほとんどの異物は先に通過する主フィルタ材７９によって捕集されるので、目詰まりは主フィルタ材７９の側で頻繁に生じ、副フィルタ材８３の側での目詰まりの回数は主フィルタ材７９の場合に比し極端に少なくなる。 Moreover, as shown in FIGS. 5 and 7, the filter 91 of the present embodiment works first against the circulating air that enters from the circulating air inlet 78 of the filter chamber 36 and is discharged to the circulating air outlet 72. The above-described main filter 35 has a double filter structure with a backup filter 82 that operates thereafter. The backup filter 82 is mounted before the main filter 35 and is taken out later. The main filter 35 is extracted from the backup filter 82. Also, it is provided so as to be attached later and taken out first, and the back wall 82 of the back-up filter 82 becomes the back side of the filter chamber 36, and for the independent removal from the lower half 36c, it is provided on the front wall 101b from the inside. A cue recess 133 is provided to allow a finger to be hung. The backup filter 82 is attached by being slid into the filter chamber 36 from above and guided to a predetermined position by the attachment / detachment path 52.
For this purpose, a backup filter 82 having a bowl-shaped sub-support frame 101 along the inner surface of the lower half 36c of the filter chamber 36 in the backup filter 82 around the lower half 71c of the main support frame 71 in the main filter 35 is provided. The sub filter material 83 is supported outside the main filter material 79 so as to cover it. Thus, after the backup filter 82 is attached to the lower half 36c of the filter chamber 36, the main filter 35 is attached to the inside of the upper half 36b of the filter chamber 36 and the subsequent backup filter 82 and introduced into the filter chamber 36. Circulating air can satisfy the double filter structure that passes through the main filter material 79 of the main filter 71 and the sub filter material 83 of the backup filter 82 in a double manner and exits to the circulating air discharge port 72. As a result, foreign matters such as fine lint are reliably collected by the main filter material 79 and the sub filter material 83 which are thin and have low air resistance, so that the functions of the devices such as the evaporator 31, the condenser 32 and the blower fan 15 are collected. Therefore, since most foreign matters are collected by the main filter material 79 that passes first, clogging frequently occurs on the side of the main filter material 79, and on the side of the sub filter material 83. The number of clogging is extremely less than that of the main filter material 79.

従って、主フィルタ３５、バックアップフィルタ８２の装着状態で、主フィルタ３５はバックアップフィルタ８２をフィルタ室３６の下半部３６ｃに残して先に引き出し単独でバックアップフィルタ８２に対し頻繁となる目詰まり処理に簡単に対応し再装着することができるし、バックアップフィルタ８２は目詰まり処理が必要になったときだけ主フィルタ３５の後に引き出し、目詰まり処理後主フィルタ３５に先立って装着した後主フィルタ３５を装着することで使用状態に復帰する。従って、取り扱いが特に面倒になることはない。   Therefore, when the main filter 35 and the backup filter 82 are attached, the main filter 35 leaves the backup filter 82 in the lower half portion 36c of the filter chamber 36 and pulls it out first, so that the backup filter 82 is frequently clogged. The backup filter 82 can be easily attached and reattached, and the backup filter 82 is pulled out after the main filter 35 only when clogging processing is necessary, and the main filter 35 is attached after the clogging processing is performed prior to the main filter 35. It returns to the use state by attaching. Therefore, handling is not particularly troublesome.

このような、主フィルタ３５と、バックアップフィルタ８２との二重フィルタ構造に対応して、バックアップフィルタ８２には図５、図７に示すように、バックアップフィルタ８２とフィルタ室３６の循環空気排出口７２側とを独立排気スペース９５とする仕切り境界部９２と、主フィルタ７１とバックアップフィルタ８２との間を独立排気スペース９６とする仕切り境界部９３と、の双方をシールするシリコンゴムなどよりなるシールパッキン９４を設けている。これにより、フィルタ室３６、主支持枠７１の上半部７１ｂに導入した循環空気は、バイパスすることなく主フィルタ７１とバックアップフィルタ８２との間の独立排気スペース９６、バックアップフィルタ８２とフィルタ室３６の循環空気排出口７２側との間の独立排気スペース９５を図５に矢印で示すように順次に通過して二重フィルタ構造の異物除去後に循環空気排出口７２へと抜けて循環する。   Corresponding to such a double filter structure of the main filter 35 and the backup filter 82, the backup filter 82 includes a circulating air outlet of the backup filter 82 and the filter chamber 36 as shown in FIGS. A seal made of silicon rubber or the like that seals both a partition boundary portion 92 having an independent exhaust space 95 on the side of 72 and a partition boundary portion 93 having an independent exhaust space 96 between the main filter 71 and the backup filter 82. A packing 94 is provided. Thus, the circulating air introduced into the filter chamber 36 and the upper half 71b of the main support frame 71 is not bypassed, and the independent exhaust space 96 between the main filter 71 and the backup filter 82, the backup filter 82, and the filter chamber 36. As shown by the arrows in FIG. 5, the independent exhaust space 95 between the circulating air discharge port 72 and the circulating air discharge port 72 is sequentially passed through to the circulation air discharge port 72 after removing the foreign matter of the double filter structure.

ここで、バックアップフィルタ８２は、図５に示すようにフィルタ室３６の循環空気排出口７２が設けられた下半部３６ｃに嵌まり合う籠形をなした副支持枠１０１を有して、循環空気排出口７２の内側に副フィルタ材８３を支持し、主フィルタ３５は、フィルタ室３６の上半部３６ｂ及びその下半部３６ｃに装着されたバックアップフィルタ８２の内面にほぼ沿う籠形をなし、フィルタ室３６の上半部３６ｂに設けられた循環空気導入口７８から循環空気を導入する上半部７１ｂと、フィルタ室３６の下半部３６ｃに装着されたバックアップフィルタ８２が支持する副フィルタ材８３の内側に主フィルタ材７９を支持してバックアップフィルタ８２との２重フィルタ構造にて循環空気の排出を図る下半部７１ｃと、を持った主支持枠７１を有して、前記排出循環空気に対し働く先後関係及び着脱の先後関係を満足している。   Here, as shown in FIG. 5, the backup filter 82 has a sub-support frame 101 having a bowl shape that fits into the lower half portion 36c provided with the circulating air discharge port 72 of the filter chamber 36, and is circulated. The sub-filter material 83 is supported inside the air discharge port 72, and the main filter 35 has a bowl shape substantially along the inner surface of the backup filter 82 mounted on the upper half 36b and the lower half 36c of the filter chamber 36. An auxiliary filter that is supported by an upper half 71 b that introduces circulating air from a circulating air inlet 78 provided in the upper half 36 b of the filter chamber 36 and a backup filter 82 that is attached to the lower half 36 c of the filter chamber 36. A main support frame 71 having a lower half portion 71c that supports the main filter material 79 on the inner side of the material 83 and discharges circulating air in a double filter structure with the backup filter 82. To satisfies the antecedent relationship of the discharge circulating air to the front-rear relationship and removable work.

また、シールパッキン９４は図５、図７、図９に示すように副支持枠１０１の外周部に装着して、図５、図９に示すようにフィルタ室３６の上半部３６ｂと下半部３６ｃとの間の内面に形成された循環空気導入口７８側に向く段部１０２と、主支持枠７１の上半部７１ｂと下半部７１ｃとの間の外面に形成された循環空気排出口７２側に向く段部１０３との対向部間での、主フィルタ３５及びバックアップフィルタ８２のフィルタ室３６の所定位置への装着による挟み付けにより、それら両段部１０２、１０３双方に圧接しシールするようにしている。これにより、１つのシールパッキン９４によって２つの仕切り境界部９２、９３を、主フィルタ３５、バックアップフィルタ８２のフィルタ室３６への嵌め合わせを利用してシールすることができ、さらに、このシール状態は主フィルタ３５のフィルタ室３６の所定位置への装着時に弾性係合する弾性係合部７５によって保持され、不用意に弛んで空気漏れを起こすことが防止される。しかも、シールパッキン９４は図５、図７、図９に示すように副支持枠１０１の前記両段部１０２、１０３と対向するフランジ部１０１ａに装着され、そのフランジ部１０１ａへの装着部９４ａから図５、図７に示すように両段部１０２、１０３側に延びたシールリップ９４ｂ、９４ｃがそれら段部に圧接するようにしている。これにより、シールパッキン９４は副支持枠１０１のフランジ部１０１ａに確固にバックアップされてシールリップ９４ｂ、９４ｃを両段部１０２、１０３全周によく馴染んで確実に圧接させられ、空気漏れが生じないものとすることができる。   The seal packing 94 is attached to the outer periphery of the sub-support frame 101 as shown in FIGS. 5, 7, and 9, and the upper half 36b and the lower half of the filter chamber 36 are shown in FIGS. Circulating air exhaust formed on the outer surface between the stepped portion 102 formed on the inner surface between the portion 36c and facing the circulating air introduction port 78 and the upper half 71b and the lower half 71c of the main support frame 71. By sandwiching the main filter 35 and the backup filter 82 by mounting the filter chamber 36 in a predetermined position between the facing portions of the step portion 103 facing the outlet 72 side, both the step portions 102 and 103 are pressed against and sealed. Like to do. Accordingly, the two partition boundary portions 92 and 93 can be sealed by using one seal packing 94 by using the fitting of the main filter 35 and the backup filter 82 to the filter chamber 36. The main filter 35 is held by an elastic engagement portion 75 that elastically engages when the filter chamber 36 is mounted at a predetermined position, and is prevented from inadvertently loosening and causing air leakage. Moreover, as shown in FIGS. 5, 7, and 9, the seal packing 94 is mounted on the flange portion 101a facing the both step portions 102 and 103 of the sub-support frame 101, and from the mounting portion 94a to the flange portion 101a. As shown in FIG. 5 and FIG. 7, seal lips 94b and 94c extending to both step portions 102 and 103 are pressed against these step portions. As a result, the seal packing 94 is firmly backed up by the flange portion 101a of the sub-support frame 101, and the seal lips 94b and 94c are well fitted to the entire circumference of both step portions 102 and 103, so that air leakage does not occur. Can be.

さらに、主フィルタ３５及びバックアップフィルタ８２は図７に示すように、それぞれマグネット１１１、１１２を内蔵するなどして備え、フィルタ室３６は図６に示すように、主フィルタ３５及びバックアップフィルタ８２が所定位置に装着されたときそれらのマグネット１１１、１１２と個別に対向して応動し外部に電気信号を出力する１対のフィルタ検出スイッチを内蔵したフィルタ検知装置１１３を備えている。これにより、操作パネル６６の内側に設けた制御基板６７などによる制御で、主フィルタ３５、バックアップフィルタ８２の双方が装着されていなければ、使用を禁止するようにすることができる。主フィルタ３５などの着脱口５１が洗濯乾燥機本体４４の天面４４ａに位置していることから、操作パネル６６は洗濯乾燥機本体４４の前面において着脱口５１に邪魔されることなく図３に示すように広く設けることができ、多機能に対応して操作部や表示部が多くても操作しやすく見やすいものとなる。   Further, as shown in FIG. 7, the main filter 35 and the backup filter 82 are provided with magnets 111 and 112, respectively, and the filter chamber 36 is provided with the main filter 35 and the backup filter 82 as shown in FIG. When mounted at a position, it includes a filter detection device 113 having a built-in pair of filter detection switches that individually react with the magnets 111 and 112 and output an electric signal to the outside. As a result, if both the main filter 35 and the backup filter 82 are not mounted under the control of the control board 67 provided inside the operation panel 66, the use can be prohibited. Since the attachment / detachment opening 51 such as the main filter 35 is located on the top surface 44a of the washing / drying machine main body 44, the operation panel 66 is not obstructed by the attachment / detachment opening 51 on the front surface of the washing / drying machine main body 44 as shown in FIG. As shown, it can be provided widely, and even if there are many operation units and display units corresponding to multiple functions, it is easy to operate and easy to see.

また、主フィルタ３５は図７に示すように、フィルタ室３６のフィルタ挿入側である上半部３６ｂに設けられた循環空気導入口７８から循環空気を導入する開放状態の開口１２１を持った循環空気導入側となる上半部７１ｂと、フィルタ室３６の奥側となる下半部３６ｃに設けられた循環空気排出口７２に既述のように対応する主フィルタ材７９を支持した循環空気排出側となる下半部７１ｃとを有した主支持枠７１を備え、主支持枠７１の循環空気導入側である上半部７１ｂに前記循環空気導入口７８から前記開口１２１を通じて実線矢印１２２で示すように導入し主フィルタ材７９を通じ前記循環空気排出口７２へ排出する循環空気の流れによる破線矢印１２３で示すような吸引を受ける負圧領域１２４を設けて、この負圧領域１２４を図６に示すように主支持枠７１に設けた吸気口１２４ａを通じ、外部に出た外気導入口１２５ａから外気を導入する外気導入路１２５にそのフィルタ室３６に開口する外気導入連通口１２５ｂを通じ連通させ、主支持枠７１の循環空気導入側となる上半部７１ｂの前記開口１２１を持った循環空気導入域１２６の一部を主支持枠７１の後部壁にある補助フィルタ１２９を設けた外部排出口１２７に、図５、図６に示す外部排気口１２８ａに通じる外部排気路１２８をそのフィルタ室３６に開口する外部排気連通口１２８ｂを通じ連通させている。   Further, as shown in FIG. 7, the main filter 35 is circulated having an open state opening 121 through which circulating air is introduced from a circulating air introduction port 78 provided in the upper half 36 b on the filter insertion side of the filter chamber 36. Circulating air discharge supporting the main filter material 79 corresponding to the circulating air discharge port 72 provided in the upper half 71b on the air introduction side and the lower half 36c on the back side of the filter chamber 36 as described above. A main support frame 71 having a lower half 71c on the side is provided, and an upper half 71b on the circulating air introduction side of the main support frame 71 is indicated by a solid line arrow 122 through the opening 121 from the circulating air introduction port 78. In this way, a negative pressure region 124 that receives suction as indicated by a broken-line arrow 123 by a flow of circulating air discharged to the circulating air discharge port 72 through the main filter material 79 is provided. As shown in FIG. 6, through an intake port 124 a provided in the main support frame 71, the outside air introduction path 125 that introduces outside air from the outside air introduction port 125 a that is exposed to the outside communicates with the outside air introduction communication port 125 b that opens to the filter chamber 36. A part of the circulating air introduction area 126 having the opening 121 of the upper half 71b on the circulating air introduction side of the main support frame 71 is provided with an auxiliary outlet 129 provided on the rear wall of the main support frame 71. 127, an external exhaust path 128 communicating with the external exhaust port 128a shown in FIGS. 5 and 6 is communicated with an external exhaust communication port 128b opened in the filter chamber 36.

外気導入路１２５は電磁弁１３２を内蔵して通常閉じられているが、回転ドラム２内や循環空気の上限温度が検出された場合などに制御基板６７などからの制御によって電磁弁１３２を開くことで、循環空気の流れによって負圧領域１２４に生じている負圧吸引力にて循環空気中に外気を吸引して循環空気排出口７２に向わせ循環送風経路５を循環する循環空気に混合させ回転ドラム２内や循環空気の温度を下げ適正温度域に保つことができ、そのために電磁弁１３２は以降開き続けることが多い。また、この外部空気の導入などによって循環空気量が過剰になると循環送風経路５内の圧力が上昇するので、図７に破線矢印１３０で示すように外部排出口１２７から外部排気連通口１２８ｂを通じて外部排気路１２８に入りその外部排気口１２８ａから外部に抜ける。なお、外気導入口１２５ａは図２、図６に示すように真後ろに開口させて異物などが落ち込まないようにしているのに対し、外部排気口１２８ａは図６に示すように上向きに開口させて、しかも、図１に示すように洗濯乾燥機本体４４の背面４４ｇから突出させている。これにより、外部排気口１２８ａからは除湿前の湿った循環空気を排気するので考えられる結露水の滴下を防止し、少々の結露水は自然乾燥するようにしている。   Although the outside air introduction path 125 is normally closed with a built-in electromagnetic valve 132, the electromagnetic valve 132 is opened by control from the control board 67 or the like when the upper limit temperature of the circulating drum 2 or circulating air is detected. Thus, outside air is sucked into the circulating air by the negative pressure suction force generated in the negative pressure region 124 by the flow of the circulating air, and is mixed with the circulating air that circulates in the circulating air discharge path 72 toward the circulating air discharge port 72. The temperature of the rotary drum 2 and the circulating air can be lowered and kept in an appropriate temperature range, and therefore the electromagnetic valve 132 is often kept open thereafter. Further, when the amount of circulating air becomes excessive due to the introduction of this external air or the like, the pressure in the circulating air blowing path 5 rises. It enters the exhaust path 128 and exits from the external exhaust port 128a. As shown in FIGS. 2 and 6, the outside air introduction port 125a is opened right behind so that no foreign matter or the like falls, whereas the external exhaust port 128a is opened upward as shown in FIG. Moreover, as shown in FIG. 1, the washing and drying machine main body 44 protrudes from the back surface 44 g. As a result, the moist circulating air before dehumidification is exhausted from the external exhaust port 128a to prevent dripping of condensate water, and a small amount of dew condensation water is allowed to dry naturally.

ここで、フィルタ室３６は、前記着脱口５１側である上半部３６ｂの前部壁に循環空気導入口７８が、後部壁に外部排気連通口１２８ｂが互いに対向し合って形成されると共に、奥側である下半部３６ｃの後部壁で前記外部排気連通口１２８ｂよりも下で側方に外れた位置に循環空気排出口７２が形成されている。これにより、過剰な循環空気はフィル室３６の上半部３６ｂの前部壁にある循環空気導入口７８から主支持枠７１の上半部７１ｂの循環空気導入域１２６に導入されて後、フィルタ室３６の上半部３６ｂの後部壁にある外部連通口１２８ｂへ直進するように難なく押し出され外部に排気される。残る通常風量の循環空気はフィルタ室３６の下半部３６ｃにある後部壁の循環空気排出口７２へとスムーズに向い排出される。   Here, the filter chamber 36 is formed such that a circulating air introduction port 78 is formed on the front wall of the upper half portion 36b on the side of the attachment / detachment port 51, and an external exhaust communication port 128b is formed on the rear wall so as to face each other. A circulating air discharge port 72 is formed at a position on the rear side wall of the lower half portion 36c that is the back side and is laterally removed below the external exhaust communication port 128b. Thus, excess circulating air is introduced from the circulating air introduction port 78 in the front wall of the upper half portion 36b of the fill chamber 36 into the circulating air introduction region 126 of the upper half portion 71b of the main support frame 71, and then the filter. The chamber 36 is pushed out without difficulty so as to go straight to the external communication port 128b in the rear wall of the upper half portion 36b of the chamber 36 and exhausted to the outside. The remaining circulating air with the normal air volume is smoothly discharged toward the circulating air discharge port 72 on the rear wall in the lower half 36c of the filter chamber 36.

外部排気連通口１２８ｂは図５に示すように、循環空気排出口７２よりも十分に小さいものとし、外部排気連通口１２８ｂと循環空気排出口７２との通気抵抗の大小調整により、循環空気の循環空気排出口７２への排出を優先し、循環空気がいたずらに外部に抜け出るのを防止している。また、負圧領域１２４は図７に示すように、主支持枠７１の循環空気導入側となる上半部７１ｂに循環空気導入域１２６と並設されていて、主支持枠７１のバックアップフィルタ８２と無関係な空間を利用してそれぞれに必要な広さを満足して設けられる。具体的には負圧領域１２４は、それよりも広い循環空気導入域１２６から主支持枠７１の循環空気導入側となる上半部７１ｂ内に一体成形した板状の仕切り部１３１により仕切って形成され、循環空気導入域１２６に併せ循環空気排出側に通じた構成としている。これにより、極く簡単な構造で循環空気導入域１２６と負圧領域１２４とを並設して、循環空気導入域１２６から循環空気排出口７２に抜ける循環空気の流れによって負圧領域１２４に吸引作用が及ぶようにできる。特に、外気導入路１２５は、図７に示すように負圧領域１２４の前記仕切り部１３１に対向する周壁部にある前記吸気口１２４ａを通じて開口している。これによって、外気導入口１２５ａ、外気導入路１２５、外気導入連通口１２５ｂ、吸気口１２４ａを通じて負圧領域１２４に吸引される破線矢印１２３で示す外気は仕切り部１３１に衝突して真下にあるフィルタ室３６の循環空気排出口７２に向うので、フィルタ室３６の循環空気導入口７８から主支持枠７１の上半部７１ｂが形成する循環空気導入域１２６に導入した循環空気が下半部７１ｃに向かってフィルタ室３６の循環空気排出口７２に向う流れにスムーズに合流して混合され、循環空気の実線矢印１２２で示す流れが乱れるようなことはないし、循環空気の実線矢印１２２で示す流れが負圧領域１２４に吸引力を及ぼしやすく、かつ、そこに破線矢印１２３のように吸引した外気をフィルタ室３６の循環空気排出口７２に向かわせやすい関係を満足する。   As shown in FIG. 5, the external exhaust communication port 128b is sufficiently smaller than the circulating air discharge port 72, and the circulation of the circulating air is adjusted by adjusting the ventilation resistance between the external exhaust communication port 128b and the circulating air discharge port 72. Priority is given to the discharge to the air discharge port 72 to prevent the circulating air from being accidentally escaped to the outside. Further, as shown in FIG. 7, the negative pressure region 124 is juxtaposed with the circulating air introduction region 126 in the upper half 71 b on the circulating air introduction side of the main support frame 71, and the backup filter 82 of the main support frame 71. A space unrelated to each other is used to satisfy the required size. Specifically, the negative pressure region 124 is formed by partitioning from a wider circulating air introduction region 126 by a plate-like partition part 131 integrally formed in the upper half 71b on the circulating air introduction side of the main support frame 71. In addition, the circulating air introduction area 126 is connected to the circulating air discharge side. As a result, the circulating air introduction area 126 and the negative pressure area 124 are arranged in parallel with a very simple structure, and the negative air pressure area 124 is sucked by the flow of circulating air from the circulating air introduction area 126 to the circulation air discharge port 72. Can act. In particular, the outside air introduction path 125 is opened through the intake port 124a in the peripheral wall portion facing the partition portion 131 in the negative pressure region 124 as shown in FIG. As a result, the outside air indicated by the broken arrow 123 drawn into the negative pressure region 124 through the outside air introduction port 125a, the outside air introduction path 125, the outside air introduction communication port 125b, and the intake port 124a collides with the partition 131 and is directly below the filter chamber. 36, the circulating air introduced from the circulating air introduction port 78 of the filter chamber 36 into the circulating air introduction region 126 formed by the upper half 71b of the main support frame 71 is directed toward the lower half 71c. Thus, the flow toward the circulating air discharge port 72 of the filter chamber 36 is smoothly merged and mixed, and the flow of the circulating air indicated by the solid arrow 122 is not disturbed, and the flow of the circulating air indicated by the solid arrow 122 is negative. It is easy to exert a suction force on the pressure region 124, and the outside air sucked there as indicated by a broken line arrow 123 is directed toward the circulating air discharge port 72 of the filter chamber 36. To satisfy the easy relationship.

一方、乾燥工程において、主フィルタ３５、バックアップフィルタ８２及び補助フィルタ１２９の目詰まりが発生した場合、従来、主フィルタ３５に導入された循環空気の逃げ道がなくなり、循環送風経路５内の圧力が上昇し、水槽３に接続された図示しない排水ホースに漏れて排水トラップに噴出しそこに溜まっている水がその風圧によって飛ばされることで、トラップの機能が破壊され、下水管からの臭いが漏れたりするが、このような目詰まりの際の循環空気の過剰分は、これまでの流れ（図７の破線矢印１２３）とは逆に図７に一点鎖線矢印１３４で示すように負圧領域１２４から吸気口１２４ａを経て、外気導入連通口１２５ｂを通じ電磁弁１３２が開かれている外気導入路１２５に入りその外気導入口１２５ａから外部に抜けるので、自然に昇圧を解消することがでできる。   On the other hand, when the main filter 35, the backup filter 82, and the auxiliary filter 129 are clogged in the drying process, there is no escape route for the circulating air introduced to the main filter 35 in the past, and the pressure in the circulating air passage 5 increases. Then, it leaks into a drain hose (not shown) connected to the aquarium 3, and the water trapped in the drain trap is blown by the wind pressure, so that the function of the trap is destroyed and the odor from the sewer pipe leaks. However, the excess amount of circulating air at the time of such clogging is reversed from the negative pressure region 124 as shown by a one-dot chain line arrow 134 in FIG. 7 contrary to the flow so far (broken line arrow 123 in FIG. 7). The air enters the outside air introduction path 125 where the electromagnetic valve 132 is opened through the outside air introduction communication port 125b through the outside air inlet 124a and exits from the outside air introduction port 125a. In, can do is possible to eliminate the naturally boost.

さらに、主支持枠７１の循環空気導入側となる上半部７１ｂの負圧領域１２４は図７、図８に示すように開放状態の開口１２１を持った循環空気導入域１２６と共に前部へ開放され、フィルタ室３６のフィルタ着脱側である上半部３６ｂにおける図６に示すよう前部壁の循環空気導入口７８のない部分によって閉じられるようにしている。これにより、主支持枠７１の上半部７１ｂにおける循環空気導入域１２６及び負圧領域１２４共に前部が開放されてフィルタ室３６と合わせ機能する単純形状となり、成形しやすいものとなる。   Further, the negative pressure region 124 of the upper half 71b on the circulating air introduction side of the main support frame 71 is opened to the front together with the circulating air introduction region 126 having the open opening 121 as shown in FIGS. Then, the upper half 36b on the filter attachment / detachment side of the filter chamber 36 is closed by a portion without the circulating air introduction port 78 on the front wall as shown in FIG. As a result, both the circulating air introduction area 126 and the negative pressure area 124 in the upper half 71b of the main support frame 71 are opened to form a simple shape that functions together with the filter chamber 36, thereby facilitating molding.

本発明は、ドラム式洗濯乾燥機における洗濯物乾燥のための循環送風系に実用されて乾燥工程での循環空気に混入する糸くずなどをフィルタで捕集するに当り、フィルタ室の空気通路の改良によって、循環送風系での異常昇温、異常昇圧を回避する。   The present invention is practically used in a circulating air blowing system for drying laundry in a drum-type washing and drying machine and collects lint and the like mixed in the circulating air in a drying process with a filter. The improvement avoids abnormal temperature rise and abnormal pressure increase in the circulation fan system.

本発明の実施の形態に係るドラム式洗濯乾燥機の要部構成を示す断面図。Sectional drawing which shows the principal part structure of the drum type washing-drying machine which concerns on embodiment of this invention. 同上ドラム式洗濯乾燥機の内部背面図。The internal rear view of a drum-type washing dryer same as the above. 同上ドラム式洗濯乾燥機の上部斜視図。The upper perspective view of a drum type washing-drying machine same as the above. 図３のフィルタの着脱口部をフィルタを取り外して見た斜視図。The perspective view which removed the filter and looked at the attachment-and-detachment mouth part of the filter of FIG. 図３の洗濯乾燥機本体の天面、着脱口、フィルタ室、主フィルタ、バックアップフィルタの関係を示す断面図。Sectional drawing which shows the relationship between the top | upper surface of the washing-dryer main body of FIG. 3, an attachment / detachment port, a filter chamber, a main filter, and a backup filter. 図５のフィルタ室の斜視図。FIG. 6 is a perspective view of the filter chamber of FIG. 5. 主フィルタとバックアップフィルタとを分離して示す斜視図。The perspective view which isolate | separates and shows a main filter and a backup filter. 図７の主フィルタを向きを変えて見た斜視図。The perspective view which changed the direction and looked at the main filter of FIG. 主フィルタとフィルタ室との弾性係合部を示す断面図。Sectional drawing which shows the elastic engagement part of a main filter and a filter chamber.

符号の説明Explanation of symbols

１ ドラム式洗濯乾燥機
２ 回転ドラム
３ 水槽
５ 循環送風経路
７ モータ
８ 透孔
１５ 送風ファン
３１ 蒸発器
３２ 凝縮器
３５ 主フィルタ
３６ フィルタ室
３６ｂ 上半部
３６ｃ 下半部
３６ｄ 開口
３６ｅ 前部壁
３７ 圧縮機
５１ 着脱口
５２ 着脱経路
５３ 天板
５６、１３３ 手掛り凹部
７１ 主支持枠
７１ａ、１０１ａ フランジ部
７１ｂ 上半部
７１ｃ 下半部
７２ 循環空気排出口
７３、９４ シールパッキン
７３ａ、９４ａ 装着部
７３ｂ、９４ｂ、９４ｃ シールリップ
７４、１０２、１０３ 段部
７５ 弾性係合部
７５ａ 係合穴
７５ｂ 樹脂ばね
７６ ボックス体
７７ ねじ
７８ 循環空気導入口
７９ 主フィルタ材
９１ フィルタ
１２４ 負圧領域
１２５ 外気導入路
１２６ 循環空気導入域
１２７ 外部排出口
１２８ 外部排気路 DESCRIPTION OF SYMBOLS 1 Drum type washing-drying machine 2 Rotating drum 3 Water tank 5 Circulation ventilation path 7 Motor 8 Through hole 15 Blower fan 31 Evaporator 32 Condenser 35 Main filter 36 Filter chamber 36b Upper half part 36c Lower half part 36d Opening 36e Front wall 37 Compressor 51 Removable port 52 Removable path 53 Top plate 56, 133 Cue recess 71 Main support frame 71a, 101a Flange 71b Upper half 71c Lower half 72 Circulating air outlet 73, 94 Seal packing 73a, 94a Mounting portion 73b, 94b, 94c Seal lips 74, 102, 103 Step 75 Elastic engagement portion 75a Engagement hole 75b Resin spring 76 Box body 77 Screw 78 Circulating air introduction port 79 Main filter material 91 Filter 124 Negative pressure region 125 Outside air introduction passage 126 Circulation Air introduction area 127 External exhaust port 128 External exhaust path

Claims (8)

多数の透孔が形成され洗濯物を収容して回転駆動される回転ドラムが水槽内に設けられ、この水槽内の給水、排水及び前記回転ドラムの回転の制御により洗濯、すすぎ、脱水の各工程を実施すると共に、送風手段により水槽内の空気を除湿手段及び加熱手段を備えた循環送風経路を通して循環させることにより洗濯物の乾燥工程を実施し、循環送風経路の途中に主として糸くずなどの異物を捕集するフィルタを着脱できるように装着するフィルタ室を備えてなるドラム式洗濯乾燥機において、
前記フィルタは、フィルタ室の内面にほぼ沿う籠形をなし、フィルタ室のフィルタ挿入側の半部に設けられた循環空気導入口から循環空気を導入する開口を持った循環空気導入側の半部と、フィルタ室の奥側の半部に設けられた循環空気排出口に対応するフィルタ材を支持した循環空気排出側の半部とを有した支持枠を備え、支持枠の循環空気導入側の半部に前記循環空気導入口から導入しフィルタ材を通じ循環空気排出口へ排出する循環空気の流れによる吸引を受ける負圧領域を設けて、この負圧領域を外部からの外気導入路に連通させ、支持枠の循環空気導入側の半部の循環空気導入域の一部を外部への外部排気路に連通させたことを特徴とするドラム式洗濯乾燥機。 A rotating drum is formed in the water tub that is formed with a large number of through holes and is rotationally driven to accommodate the laundry. Each process of washing, rinsing, and dewatering is controlled by controlling the water supply, drainage, and rotation of the rotating drum in the water tub. In addition, the drying process of the laundry is performed by circulating the air in the water tank through the circulation air passage provided with the dehumidifying means and the heating means by the air blowing means, and foreign matters such as lint mainly in the circulation air passage. In a drum-type washing and drying machine comprising a filter chamber that is mounted so that a filter that collects can be attached and detached,
The filter has a bowl shape substantially along the inner surface of the filter chamber, and has a half on the circulating air introduction side having an opening for introducing the circulating air from the circulating air introduction port provided on the filter insertion side half of the filter chamber. And a half of the circulating air discharge side that supports the filter material corresponding to the circulating air discharge port provided in the half of the back side of the filter chamber, and on the circulating air introduction side of the support frame A negative pressure region that receives suction from the flow of the circulating air that is introduced from the circulating air introduction port and discharged to the circulation air discharge port through the filter material is provided in the half, and this negative pressure region is communicated with the outside air introduction path from the outside. A drum-type washing and drying machine characterized in that a part of the circulating air introduction area on the circulating air introduction side of the support frame communicates with an external exhaust path to the outside. 外部排気路に連通させるフィルタ室の外部排気連通口は、循環空気排出口よりも小さい請求項１に記載のドラム式洗濯乾燥機。 The drum-type washing and drying machine according to claim 1, wherein the external exhaust communication port of the filter chamber communicated with the external exhaust passage is smaller than the circulating air discharge port. 負圧領域は、支持枠の循環空気導入側の半部に循環空気導入域と並設されている請求項１に記載のドラム式洗濯乾燥機。 The drum-type washing and drying machine according to claim 1, wherein the negative pressure region is arranged in parallel with the circulating air introduction region in a half of the support frame on the circulating air introduction side. 負圧領域は、それよりも広い前記循環空気導入域から前記支持枠の循環空気導入側半部内の仕切り部により仕切って形成され、循環空気導入域に併せ循環空気排出側に通じている請求項１〜３のいずれか１項に記載のドラム式洗濯乾燥機。 The negative pressure region is formed by partitioning from the wider circulating air introduction region by a partition portion in the half of the circulating air introduction side of the support frame, and communicates with the circulating air introduction region to the circulating air discharge side. The drum-type washing / drying machine according to any one of 1 to 3. 外気導入路は、負圧領域の前記仕切部に対向する周壁部に開口している請求項４に記載のドラム式洗濯乾燥機。 The drum type washing and drying machine according to claim 4, wherein the outside air introduction path is opened in a peripheral wall portion facing the partition portion in the negative pressure region. 支持枠の循環空気導入側の半部の循環空気導入域及び負圧領域は前部へ開放され、フィルタ室のフィルタ着脱側の循環空気導入口を持った前部壁によって循環空気導入口まわりが閉じられるようにしている請求項５に記載のドラム式洗濯乾燥機。 The circulating air introduction area and the negative pressure area on the half of the circulating air introduction side of the support frame are opened to the front, and the circulating air introduction opening is surrounded by the front wall with the circulation air introduction opening on the filter attachment / detachment side of the filter chamber. 6. The drum type washing and drying machine according to claim 5, wherein the drum type washing and drying machine is closed. 洗濯乾燥機本体の天面にフィルタの着脱口が形成され、フィルタ室は、前記着脱口側の半部の前部壁に循環空気導入口が、後部壁に外部排気連通口が互いに対向して形成されると共に、奥側の半部の後部壁の外部排気連通口よりも下で側方に外れた位置に循環空気排気口が形成されており、フィルタは、フィルタ室への装着時に前記着脱口を塞ぐ天板を有し、この天板の下面に前記支持枠がその循環空気空気導入側で一体になっている請求項１〜６のいずれか１項に記載のドラム式洗濯乾燥機。 A filter attachment / detachment opening is formed on the top surface of the washing / drying machine main body, and the filter chamber has a circulation air introduction port on the front wall of the half on the attachment / detachment opening side and an external exhaust communication port on the rear wall facing each other. The circulating air exhaust port is formed at a position that is formed laterally below the external exhaust communication port of the rear wall of the rear half, and is attached to the filter chamber when the filter is attached to the filter chamber. The drum-type washing and drying machine according to any one of claims 1 to 6, further comprising a top plate that closes the outlet, wherein the support frame is integrated with a lower surface of the top plate on the circulating air / air introduction side. 前記天板に上方へ開口する手掛り凹部を有している請求項７に記載のドラム式洗濯乾燥機。 The drum-type washing and drying machine according to claim 7, wherein the top plate has a cue recess opening upward.

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