JP4945537B2 - Washing and drying machine - Google Patents

Washing and drying machine Download PDF

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JP4945537B2
JP4945537B2 JP2008252136A JP2008252136A JP4945537B2 JP 4945537 B2 JP4945537 B2 JP 4945537B2 JP 2008252136 A JP2008252136 A JP 2008252136A JP 2008252136 A JP2008252136 A JP 2008252136A JP 4945537 B2 JP4945537 B2 JP 4945537B2
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washing
water
main body
body case
tub
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JP2010082030A (en
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麻味 佐藤
隆士 富田
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Hitachi Appliances Inc
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Description

本発明は、洗濯槽内の洗濯物を洗濯する機能と乾燥する機能を備えた洗濯乾燥機に関するものである。   The present invention relates to a washing / drying machine having a function of washing and drying a laundry in a washing tub.

洗濯乾燥機において、給水機構，排水機構が故障し、水が給水されつづけても排水ホースから排水することができずに、外槽と外槽上カバーから水が溢れる際に、外槽カバー上部に取り付けられたヒータ及び外槽底部に取り付けられたモータなどに水がかかるなどして感電事故に至る恐れがある。それを回避するために外槽上部に緊急排水口を設け、外槽の一部から排水させ、電気部品に水かかりが無いようにしている。   In the washing and drying machine, when the water supply mechanism and drainage mechanism break down and water continues to be supplied, the drainage hose cannot drain the water, and when the water overflows from the outer tank and the outer tank upper cover, the upper part of the outer tank cover There is a risk that an electric shock may occur due to water splashing on the heater attached to the motor and the motor attached to the bottom of the outer tub. In order to avoid this, an emergency drain outlet is provided in the upper part of the outer tub so that water is drained from a part of the outer tub so that the electrical parts are not flooded.

また、緊急排水機構は、緊急時には多量の水（１８Ｌ／min以上）を排水させなければならないが、通常運転時は緊急排水機構から漏れる乾燥空気の影響で外枠内に結露が発生し、その結露水が垂れたりすることにより水漏れクレーム等の原因となるため外槽の外に蒸気を漏らしてはならない。   The emergency drainage mechanism must drain a large amount of water (18 L / min or more) in an emergency, but during normal operation, condensation occurs in the outer frame due to the effect of dry air leaking from the emergency drainage mechanism. Do not let the steam leak out of the outer tub as condensation causes dripping or water leakage complaints.

このため緊急排水機構は、通常運転時には空気の流通を防ぎ、緊急時には水を多量に通す構造が必要である。   For this reason, the emergency drainage mechanism needs to have a structure that prevents the flow of air during normal operation and allows a large amount of water to pass during an emergency.

従来例では、緊急排水機構にＳ字形パイプの排水トラップ構造を備え、この排水トラップに溜まる水で乾燥空気の漏れを防ぎ、緊急排水の水が流れ込むときには排水できるようにしている。しかし、乾燥空気の漏れ出しを阻止するところまで、Ｓ字形の排水トラップに結露水がたまるのに時間が長すぎるため、その間に蒸気が外槽から外枠内へ排出され外枠内面に多量の結露が発生する問題があった。   In the conventional example, the emergency drainage mechanism is provided with a drain trap structure of an S-shaped pipe, and the water accumulated in the drain trap prevents leakage of dry air so that it can be drained when emergency drainage water flows. However, since it takes too long for condensed water to accumulate in the S-shaped drain trap until it prevents leakage of dry air, steam is discharged from the outer tank into the outer frame during that time, and a large amount of water is deposited on the inner surface of the outer frame. There was a problem of condensation.

また、特許文献１に示す洗濯乾燥機では、緊急排水を排水路に繋ぎ、排水路に排水トラップを備え、上記従来例と同様な機能を得るようにしていた。   Moreover, in the washing / drying machine shown in Patent Document 1, emergency drainage is connected to a drainage channel, a drainage trap is provided in the drainage channel, and the same function as the above-described conventional example is obtained.

特開２０００−２２５２８６号公報JP 2000-225286 A

上述したようにＳ字形の排水トラップでは結露水がたまる時間がかかりすぎるため、時間短縮化が必要である。時間短縮化には、結露水溜量を少なくするめに排水トラップ管の径小化が必要である。Ｓ字形の排水トラップ管はブロー成形で形成されているので、寸法精度が悪く、排水トラップ管の径小化は難しい。   As described above, the S-shaped drain trap takes too much time for the condensed water to accumulate, and thus it is necessary to shorten the time. To shorten the time, it is necessary to reduce the diameter of the drain trap pipe in order to reduce the amount of condensed water pool. Since the S-shaped drain trap pipe is formed by blow molding, the dimensional accuracy is poor and it is difficult to reduce the diameter of the drain trap pipe.

本発明の目的とするところは、上記の課題に鑑み、作り易く，寸法精度が良く、少ない結露水溜量で乾燥空気の漏れ出しを早期に阻止できる排水トラップを備える洗濯乾燥機を提供することにある。   In view of the above problems, an object of the present invention is to provide a washing and drying machine provided with a drain trap that is easy to make, has good dimensional accuracy, and can prevent leakage of dry air early with a small amount of condensed water. is there.

本発明は、外槽に設けられ、外槽に備わる溢水口の水位を超える溢水超え水位の水を排水する緊急排水口と、前記外槽の外側面に垂下するように設けられ、前記緊急排水口からの排水が流下する緊急排水パイプと、前記緊急排水パイプの下端に設けられ、水溜部をもつ蒸気漏れ防止用の排水トラップを有する洗濯乾燥機において、前記排水トラップは、本体ケースと、前記本体ケース内に着脱自在に逆さ向きに置かれる容器状の中蓋と、前記本体ケースの上部を塞ぐように着脱自在に取り付ける上部カバーを有し、前記本体ケースは、外側ケース筒部と、内側ケース筒部と、前記外内側両ケース筒部の底を閉じる環状底部と、前記外内側両ケース筒部および前記環状底部で形成される水溜部を有し、前記容器状の中蓋は前記水溜部に挿入される筒部と、前記内側ケース筒部を覆う底部を有し、かつ前記筒部の下端が前記環状底部の内底面から離間する離間幅を保って置かれ、前記上部カバーは、前記本体ケースの上部を塞ぐカバー部と、前記緊急排水パイプが接続されるパイプ接続部を有し、前記中蓋の底部は、前記逆さ向きに置かれた状態で中央が***していることを特徴とする。   The present invention is provided in an outer tub, provided as an emergency drain outlet for draining water at a level exceeding the overflow level provided in the outer tub, and on the outer surface of the outer tub. In an washer / dryer having an emergency drain pipe from which drainage from the mouth flows down and a drain trap for preventing steam leakage with a water reservoir provided at the lower end of the emergency drain pipe, the drain trap includes a body case, A container-shaped inner lid that is detachably placed in the main body case, and an upper cover that is detachably attached so as to close the upper portion of the main body case. The main body case includes an outer case cylinder portion, an inner case A case cylinder, an annular bottom that closes bottoms of the outer and inner case cylinders, and a water reservoir formed by the outer and inner case cylinders and the annular bottom, and the container-shaped inner lid is the water reservoir Inserted into the department A cylindrical portion and a bottom portion that covers the inner case cylindrical portion; and a lower end of the cylindrical portion is placed with a separation width away from an inner bottom surface of the annular bottom portion, and the upper cover is an upper portion of the main body case. And a cover connecting portion to which the emergency drain pipe is connected, and the bottom of the inner lid is raised at the center in a state of being placed in the upside down direction.

本発明によれば、作り易く，寸法精度が良く、少ない結露水溜量で乾燥空気の漏れ出しを早期に阻止できる排水トラップを備える洗濯乾燥機を提供することができる。   According to the present invention, it is possible to provide a washing and drying machine including a drain trap that is easy to make, has good dimensional accuracy, and can prevent leakage of dry air at an early stage with a small amount of condensed water.

以下、本発明の実施例を説明する。   Examples of the present invention will be described below.

本発明の実施の形態を、図面を参照して説明する。   Embodiments of the present invention will be described with reference to the drawings.

図１は、本発明の一実施の形態である洗濯乾燥機を縦断面して示す模式図である。   FIG. 1 is a schematic view showing a washing / drying machine according to an embodiment of the present invention in a longitudinal section.

１は、外郭を構成する四角筒状の外枠である。２は、洗濯兼脱水槽であり、その周壁に通水および通風のための***２ａを有し、その上縁部に流体バランサー３を備え、底部の内側には回転自在に撹拌翼４を設置する。撹拌翼４は、通水および通風のための***４ａを有する。５は、前記洗濯兼脱水槽２を内包する外槽であり、底部の外側には駆動装置６を鋼板製の取り付けベース７によって取り付け、外枠１の上端部の四隅部に係止した４本の防振支持装置８によって外槽５を四方から均等に吊り下げることにより該外枠１の中心部に懸垂するように支持する。   Reference numeral 1 denotes a rectangular cylindrical outer frame constituting the outer shell. Reference numeral 2 denotes a washing and dewatering tub, which has a small hole 2a for water passage and ventilation on its peripheral wall, a fluid balancer 3 on its upper edge, and a stirring blade 4 on the inside of the bottom for rotation. To do. The stirring blade 4 has a small hole 4a for water flow and ventilation. Reference numeral 5 denotes an outer tub containing the washing / dehydrating tub 2. The drive device 6 is attached to the outside of the bottom portion by a steel plate mounting base 7 and is engaged with the four corners of the upper end portion of the outer frame 1. The anti-vibration support device 8 supports the outer tub 5 so as to be suspended from the center of the outer frame 1 by suspending the outer tub 5 evenly from four directions.

駆動装置６は、駆動電動機と電動操作クラッチ機構と遊星歯車減速機構を内蔵し、洗濯兼脱水槽２を静止させた状態で撹拌翼４を回転させ（撹拌モード）、洗濯兼脱水槽２と撹拌翼４をそれぞれ反対方向に回転させ（洗濯モード）、洗濯兼脱水槽２と撹拌翼４を一体的に同一方向に回転（脱水・乾燥モード）させるような選択的な駆動機能を有する。   The drive device 6 includes a drive motor, an electric operation clutch mechanism, and a planetary gear speed reduction mechanism, and rotates the stirring blade 4 with the washing / dehydrating tub 2 stationary (stirring mode), thereby stirring the washing / dehydrating tub 2 and the stirring / dehydrating tub 2. Each of the blades 4 is rotated in the opposite direction (washing mode) and has a selective driving function of rotating the washing / dehydrating tub 2 and the stirring blade 4 integrally in the same direction (dehydration / drying mode).

外側衣類投入口９ａを形成したトップカバー９は、外枠１の上部開口を覆うように該開口端縁に嵌め込み、フロントパネル１０およびバックパネル１１と共に取り付けねじによって外枠１に取り付ける。   The top cover 9 formed with the outer garment insertion port 9a is fitted into the opening edge so as to cover the upper opening of the outer frame 1, and is attached to the outer frame 1 together with the front panel 10 and the back panel 11 with mounting screws.

トップカバー９とフロントパネル１０の間に形成される前部収納部であるフロントパネルボックス１２には、電源スイッチ１３と入力スイッチ群および表示素子群を備えた操作パネル１４と、外槽５内の水位に応じた水位信号を発生する水位センサ１５と、コントロールユニット１６を内蔵する。これらは、制御装置を構成する。   A front panel box 12, which is a front storage portion formed between the top cover 9 and the front panel 10, includes a power switch 13, an operation panel 14 including an input switch group and a display element group, A water level sensor 15 for generating a water level signal corresponding to the water level and a control unit 16 are incorporated. These constitute a control device.

トップカバー９とバックパネル１１の間に形成される後部収納部であるバックパネルボックス１７には、後述する洗濯水給水手段を横並びにして内蔵する。   A back panel box 17, which is a rear housing portion formed between the top cover 9 and the back panel 11, contains washing water supply means (described later) side by side.

洗濯水給水手段は、入水側を水栓接続口１８に接続し、出水側を注水口１９に接続した主給水電磁弁２０によって構成する。また、洗剤溶解容器２１，補助給水電磁弁２２，２２ａも洗濯水給水手段に備えられる。   The washing water supply means is constituted by a main water supply electromagnetic valve 20 having a water inlet side connected to a faucet connection port 18 and a water outlet side connected to a water injection port 19. Further, the detergent dissolution container 21 and the auxiliary water supply electromagnetic valves 22 and 22a are also provided in the washing water supply means.

注水口１９は、トップカバー９の底と外槽５の外槽上カバー２８の後部を貫通して洗濯兼脱水槽２の上部開口内に向けて開口する。この注水口１９は、トップカバー９の底と外槽上カバー２８の間には可撓管を介在させる。   The water injection port 19 passes through the bottom of the top cover 9 and the rear portion of the outer tub upper cover 28 of the outer tub 5 and opens into the upper opening of the washing and dewatering tub 2. The water injection port 19 has a flexible tube interposed between the bottom of the top cover 9 and the outer tank upper cover 28.

温風循環乾燥手段は、外槽５の下部の側壁に形成した吸い出し口５ａから該外槽５の後側の外壁面に沿って垂直状態で上向きに伸びるように形成して前記吸い出し口５ａから浸入した洗濯水を堰き止める除湿風路部である水冷除湿ダクト２３と、この水冷除湿ダクト２３内の上部に位置して該ダクト内に冷却水を供給する水冷除湿手段である冷却散水部２４と、洗濯工程における外槽５の水位よりも高い位置で折り返して該外槽５の外壁面に沿って該外槽５の下側に向かって垂直に伸びる下降風路部である下降風路ダクト２５と、外槽５の下側の空間に配置されて前記下降風路ダクト２５から吸い込み口に空気を吸い込んで循環空気を生成する循環ファン２６と、この循環ファン２６の吹き出し口から外槽５の外壁面に沿って上方向に垂直状態に伸びる上昇風路部である上昇風路ダクト２７と、外槽５の上端部に取り付けた外槽上カバー２８上に設置されて前記上昇風路ダクト２７から送り込まれる循環空気を加熱する加熱手段であるヒータ（ＰＴＣヒータ）２９を内蔵し、加熱した循環空気を洗濯兼脱水槽２内に向けて吹き込む吹き込み口３０を備える。   The hot air circulation drying means is formed so as to extend vertically from the suction port 5a formed on the lower side wall of the outer tub 5 along the outer wall surface on the rear side of the outer tub 5, and from the suction port 5a. A water-cooled dehumidifying duct 23 that is a dehumidifying air passage section that dams the infiltrated washing water, and a cooling water spraying section 24 that is located in the upper part of the water-cooled dehumidifying duct 23 and is a water-cooled dehumidifying means that supplies cooling water to the duct A descending air duct 25 that is a descending air duct portion that is folded back at a position higher than the water level of the outer tub 5 in the washing process and extends vertically along the outer wall surface of the outer tub 5 toward the lower side of the outer tub 5. A circulation fan 26 that is disposed in a space below the outer tub 5 and sucks air from the descending air duct 25 into the suction port to generate circulated air, and from the outlet of the circulation fan 26 to the outer tub 5. Vertically upward along the outer wall A heating means for heating the circulating air sent from the rising air duct duct 27 installed on the ascending air duct duct 27 which is an upward air duct portion extending to the outer tank 5 and the outer tank upper cover 28 attached to the upper end portion of the outer tank 5 A heater (PTC heater) 29 is incorporated, and a blow-in port 30 for blowing the heated circulating air into the washing and dewatering tub 2 is provided.

循環風路を構成する前記水冷除湿ダクト２３，下降風路ダクト２５および上昇風路ダクト２７は、外槽５の後側の外壁面に該外槽５の周方向に並べてその一部を該外槽５と一体成形して実装し、これらの外側を覆う裏側蓋１ａは、外側に膨出する形状に構成してねじ止めする。   The water-cooled dehumidifying duct 23, the descending air duct 25 and the ascending air duct 27 constituting the circulation air path are arranged on the outer wall surface on the rear side of the outer tank 5 in the circumferential direction of the outer tank 5 and a part thereof is outside the outer duct. The back cover 1a that is integrally molded with the tank 5 and mounted, and covers the outside of the tank 5 is configured to bulge outward and is screwed.

また、下降風路ダクト２５内には湿度センサ４００と第１温度センサ１００を設置し、吹き込み口３０，ヒータ２９の下流側の風路内には第２温度センサ４２を設置する。水冷除湿ダクト２３内で水冷除湿された循環空気の湿度と温度を精度良く検出するためには、水冷除湿された循環空気が良く混合されて均一になった後に前記湿度センサ４００と第１温度センサ１００に触れさせるのが良く、従って、湿度センサ４００と第１温度センサ１００は、水冷除湿ダクト２３から遠く離れた下降風路ダクト２５の下部または循環ファン２６の吸い込み口ケーシングに設置する。更に、湿度センサ４００と第１温度センサ１００は、保守作業に便利なように、裏側蓋を外したときに露出するような設置位置とする。   Further, the humidity sensor 400 and the first temperature sensor 100 are installed in the descending air duct 25, and the second temperature sensor 42 is installed in the air duct on the downstream side of the air inlet 30 and the heater 29. In order to accurately detect the humidity and temperature of the circulating air dehumidified in the water-cooled dehumidifying duct 23, the humidity sensor 400 and the first temperature sensor are mixed after the water-cooled dehumidified circulating air is well mixed and uniform. Therefore, the humidity sensor 400 and the first temperature sensor 100 are installed in the lower part of the descending air duct 25 far from the water-cooled dehumidifying duct 23 or in the suction port casing of the circulation fan 26. Further, the humidity sensor 400 and the first temperature sensor 100 are set at an installation position where they are exposed when the back cover is removed, so that maintenance work is convenient.

トップカバー９に形成した外側衣類投入口９ａは、２つ折り（山折り）に開くようにヒンジによってトップカバー９に取り付けた外蓋３１によって開閉自在に覆い、外槽５の上端に取り付けた外槽上カバー２８に形成した内側衣類投入口２８ａは、ヒンジ３２ａによって外槽上カバー２８に取り付けた内蓋３２によって開閉自在に覆うように構成する。   The outer garment insertion port 9a formed in the top cover 9 is covered with an outer lid 31 attached to the top cover 9 by a hinge so as to open in half (mountain fold) and can be opened and closed, and the outer tub attached to the upper end of the outer tub 5 The inner garment insertion port 28a formed in the upper cover 28 is configured to be freely opened and closed by an inner lid 32 attached to the outer tub upper cover 28 by a hinge 32a.

外槽５の底に形成した排水口５ｂは、排水電磁弁３３を介して排水ホース３４に接続する。エアートラップは、エアーチューブ３５を介して前記水位センサ１５に接続する。外枠１の下端縁には、四隅に脚３６を取り付けた合成樹脂で成形されたベース３７を装着する。   A drain port 5 b formed at the bottom of the outer tub 5 is connected to a drain hose 34 via a drain electromagnetic valve 33. The air trap is connected to the water level sensor 15 via the air tube 35. At the lower end edge of the outer frame 1, a base 37 made of synthetic resin with legs 36 attached to the four corners is attached.

なお、参照符号３８は、洗濯兼脱水槽２内に投入された洗濯物である。   Reference numeral 38 denotes a laundry put in the washing and dewatering tub 2.

本発明の主要部である緊急排水構造は、図１，図２に示すように外槽５の上部にある緊急排水口３９と緊急排水パイプ４０を有する。緊急排水パイプ４０の上側には緊急排水口３９が、下側には蒸気漏れ防止用の排水トラップ４１が連通するように設けている。   The emergency drainage structure, which is the main part of the present invention, has an emergency drainage port 39 and an emergency drainage pipe 40 at the upper part of the outer tub 5 as shown in FIGS. An emergency drain port 39 is provided on the upper side of the emergency drain pipe 40, and a drain trap 41 for preventing steam leakage is provided on the lower side.

この緊急排水構造は、溢水用の排水機構とは別に設ける。溢水用の排水機構は排水路に連通するが、緊急排水構造は排水路には繋がらない。緊急排水口３９は溢水口よりも高い位置に設けている。溢水口の水位を超える溢水超え水位の水は緊急排水口３９から排水される。   This emergency drainage structure is provided separately from the drainage mechanism for overflow. The overflow drainage mechanism communicates with the drainage channel, but the emergency drainage structure does not connect to the drainage channel. The emergency drain port 39 is provided at a position higher than the overflow port. Water exceeding the overflow water level is drained from the emergency drain port 39.

緊急排水構造は洗濯運転時、給水弁の故障・水位センサの故障・排水弁の故障・排水ホース詰まりなどが生じたときに洗濯機の外に緊急排水する機能を発揮する。すなわち、排水機構が排水不能にかかわらず給水され続けると、水は外槽と外槽上カバーの間から溢れ出し、外槽上カバー上にあるヒータ及び、外槽底部に取り付けられているモータに浸水し感電事故を起こす怖れがある。   The emergency drainage structure performs the function of emergency drainage outside the washing machine when a water supply valve failure, water level sensor failure, drainage valve failure, drainage hose clogging, etc. occur during washing operation. That is, if the drainage mechanism continues to be supplied regardless of whether or not drainage is possible, the water overflows from between the outer tub and the outer tub upper cover, and is supplied to the heater on the outer tub upper cover and the motor attached to the bottom of the outer tub. There is a fear of flooding and causing an electric shock.

このような事態に対処して緊急排水構造は機能するもので、溢れる水の流れを制御するため外槽の淵の一部から溢れるようにし、外槽５の全長より長い緊急排水パイプ４０、および排水トラップ４１を接続して跳ね返り水が少なくなるように洗濯機ベース３７に直接排水させる。   The emergency drainage structure functions in response to such a situation, in order to control the flow of overflowing water, it overflows from a part of the tub of the outer tank, the emergency drainage pipe 40 longer than the entire length of the outer tank 5, and The drain trap 41 is connected and drained directly to the washing machine base 37 so that the amount of water bounces back.

故障時に溢れる水量は給水弁から給水される最大流量の１８Ｌ／minであり、緊急排水構造はそれ以上排水可能でなくてはならない。   The amount of water overflowing at the time of failure is the maximum flow rate of 18 L / min supplied from the water supply valve, and the emergency drainage structure must be able to drain further.

また、外槽の一部から水を溢れさせることにより槽内が封止されていない事となる。乾燥運転時、温風は水を溢れさせる緊急排水口３９から緊急排水パイプ４０、および排水トラップ４１を通り外枠内にもれることとなる。   Moreover, the inside of a tank will not be sealed by overflowing water from a part of outer tank. During the drying operation, the hot air passes through the emergency drain pipe 40 and the drain trap 41 from the emergency drain port 39 that overflows the water and leaks into the outer frame.

その温風が結露すると、表示パネルの曇りや床濡れの原因となる。よって、通常時は乾燥運転の温風を外槽内から出さないよう封止しなくてはならない。この温風封止には従来はＳ字形パイプの排水トラップを用いていた。先の〔発明が解決しようとする課題〕でも述べたとおり、Ｓ字形パイプの排水トラップでは温風封止に達するまでの結露水溜量が多く必要で、温風の封止めに時間が長引く。それに応えるべく、早期に少ない結露水溜量で乾燥空気（温風）の漏れ出しを阻止し、温風封止に至る時間を短縮化することが強く望まれていた。   If the hot air is condensed, the display panel may become cloudy or the floor may get wet. Therefore, it must be sealed so that the warm air from the drying operation does not come out of the outer tank during normal operation. Conventionally, an S-shaped pipe drain trap has been used for this hot air sealing. As described in the above [Problems to be Solved by the Invention], the drain trap of the S-shaped pipe requires a large amount of condensed water until reaching the hot air sealing, and it takes a long time to seal the hot air. In order to respond to this, it has been strongly desired to prevent the leakage of dry air (warm air) with a small amount of condensed water pool at an early stage and to shorten the time required to seal the warm air.

上記の要望に応える蒸気漏れ防止用の排水トラップ４１について、図２，図３，図４を引用して説明する。   A drainage trap 41 for preventing steam leakage in response to the above request will be described with reference to FIGS.

排水トラップ４１は、本体ケース４１０と、本体ケース４１０内に着脱自在に逆さ向きに置かれる容器状の中蓋４１１と、本体ケース４１０の上部を塞ぐように着脱自在に取り付ける上部カバー４１２を有する。図３の矢印５０は乾燥空気（温風）や緊急排水の流れを示す。   The drain trap 41 includes a main body case 410, a container-shaped inner lid 411 that is detachably placed in the main body case 410, and an upper cover 412 that is detachably attached so as to close the upper portion of the main body case 410. An arrow 50 in FIG. 3 indicates the flow of dry air (warm air) or emergency drainage.

本体ケース４１０，容器状の中蓋４１１，上部カバー４１２は、合成樹脂で形成する。従来のＳ形の排水トラップはブロー成形で作った。本発明の本実施の本体ケース４１０，容器状の中蓋４１１，上部カバー４１２は、雄金型／雌金型の二つの金型を用いて成形する。この雄金型／雌金型（二つの金型）を用いる成形は、ブロー成形と異なり、成形の作業性がよく寸法精度の良い排水トラップ４１を作ることができる。   The main body case 410, the container-shaped inner lid 411, and the upper cover 412 are made of synthetic resin. A conventional S-shaped drain trap was made by blow molding. The main body case 410, the container-shaped inner lid 411, and the upper cover 412 according to the present invention are molded using two molds, a male mold and a female mold. Unlike blow molding, molding using this male mold / female mold (two molds) can produce a drain trap 41 with good molding workability and good dimensional accuracy.

本体ケース４１０は、外側ケース筒部４１０１と、内側ケース筒部４１０２と、外内側両ケース筒部４１０１，４１０２の底を閉じる環状底部４１０３と、外内側両ケース筒部および前記環状底部で形成される水溜部４１０４を有する。外側ケース筒部４１０１と、内側ケース筒部４１０２は同心円で形成される。環状底部４１０３は縦端面がＵ字形状をしている。   The main body case 410 is formed of an outer case tube portion 4101, an inner case tube portion 4102, an annular bottom portion 4103 that closes the bottoms of the outer and inner case tube portions 4101, 4102, both outer and inner case tube portions, and the annular bottom portion. A water reservoir 4104. The outer case tube portion 4101 and the inner case tube portion 4102 are formed concentrically. The annular bottom portion 4103 has a U-shaped vertical end surface.

本体ケース４１０は、内側ケース筒部４１０２の下方には環状底部４１０３より下側に
向かって延在する下部内側ケース筒部４１０５を有する。下部内側ケース筒部４１０５は内側ケース筒部４１０２と同径である。 The main body case 410 has a lower inner case tube portion 4105 extending below the annular bottom portion 4103 below the inner case tube portion 4102. The lower inner case tube portion 4105 has the same diameter as the inner case tube portion 4102.

シート４１０６は下部内側ケース筒部４１０５の下端開口を閉じる蓋になる。このシート４１０６は、気密度が低く、乾燥空気（温風）は流出し、緊急排水はシート４１０６を開いてベース３７に排出される。   The sheet 4106 serves as a lid that closes the lower end opening of the lower inner case cylinder 4105. The sheet 4106 has a low air density, dry air (warm air) flows out, and emergency drainage is discharged to the base 37 by opening the sheet 4106.

本体ケース４１０は、図４に示すように、内側ケース筒部４１０２の外周に３ヶの位置決め突起４１０７を有する。位置決め突起４１０７は、環状底部４１０３から水溜部４１０４の上側に向かって立ち上がるように形成される。   As shown in FIG. 4, the main body case 410 has three positioning protrusions 4107 on the outer periphery of the inner case cylinder portion 4102. The positioning protrusion 4107 is formed so as to rise from the annular bottom portion 4103 toward the upper side of the water reservoir 4104.

本体ケース４１０は、外側ケース筒部４１０１と、内側ケース筒部４１０２と、外内側両ケース筒部４１０１，４１０２の底を閉じる環状底部４１０３と、外内側両ケース筒部および前記環状底部４１０３で形成される水溜部４１０４と、下部内側ケース筒部４１０５と、位置決め突起４１０７を有し、上記のように成形用の金型が上下方向に抜ける構成にしているので、作り易く，寸法精度良く形成することができる。   The main body case 410 is formed by an outer case tube portion 4101, an inner case tube portion 4102, an annular bottom portion 4103 that closes the bottoms of the outer and inner case tube portions 4101, 4102, both outer and inner case tube portions, and the annular bottom portion 4103. The water reservoir 4104, the lower inner case tube 4105, and the positioning projection 4107 are formed so that the molding die can be removed in the vertical direction as described above. be able to.

容器状の中蓋４１１は、お碗を逆さにしたような形状をしている。図３に示すように、本体ケース４１０内に逆さに置かれる中蓋４１１は、上側にドーム形の天井部４１１０と、天井部の周縁より下がる円筒の筒部４１１１を有する。中蓋４１１は、筒部４１１１の下端に前記環状底部４１０３の内底面と当接する複数の突起（図示せず）を有する。   The container-shaped inner lid 411 is shaped like an inverted bowl. As shown in FIG. 3, the inner lid 411 placed upside down in the main body case 410 has a dome-shaped ceiling portion 4110 on the upper side and a cylindrical tube portion 4111 that falls below the periphery of the ceiling portion. The inner lid 411 has a plurality of protrusions (not shown) that contact the inner bottom surface of the annular bottom portion 4103 at the lower end of the cylindrical portion 4111.

中蓋４１１も本体ケース４１０と同様に、成形用の金型が上下方向に抜ける構成にしているので、作り易く，寸法精度良く形成することができる。   As with the main body case 410, the inner lid 411 is configured so that the molding die can be removed in the vertical direction, so that it can be easily formed and formed with high dimensional accuracy.

こうした中蓋４１１は、前記複数の突起（図示せず）、および前記３ヶの位置決め突起４１０７により、所定位置に保たれた状態で本体ケース４１０内に逆さに置かれる。   The inner lid 411 is placed upside down in the main body case 410 while being held at a predetermined position by the plurality of protrusions (not shown) and the three positioning protrusions 4107.

すなわち、中蓋４１１は、前記複数突起（図示せず）と環状底部４１０３との当接により筒部４１１１の下端が環状底部４１０３から所定の離間幅Ｔを保って置かれ、かつ前記３ヶの位置決め突起４１０７と筒部４１１１との当接で筒部４１１１が水溜部４１０４内の径方向所定位置に保たれて置かれる。   That is, the inner lid 411 is placed with the lower end of the cylindrical portion 4111 maintaining a predetermined separation width T from the annular bottom portion 4103 by the contact between the plurality of protrusions (not shown) and the annular bottom portion 4103, and the three pieces. The cylindrical portion 4111 is placed at a predetermined radial position in the water reservoir 4104 by the contact between the positioning protrusion 4107 and the cylindrical portion 4111.

なお、１８Ｌ／minの緊急排水量を確保できる離間幅Ｔは約１５mm以下である。   In addition, the separation width T that can secure an emergency drainage amount of 18 L / min is about 15 mm or less.

上記所定の離間幅Ｔは、上述した排水トラップ４１の緊急排水量、および温風封止のための結露水溜量４１０８（図３に示す）を規定する。緊急排水量は少なく見込んでも１８Ｌ／minであるので、この水量を確保できる前記離間幅が最小限必要である。その一方で温風封止のための結露水溜量４１０８は少ない方が望ましいので、前記離間幅は可能な限り狭めたい。   The predetermined separation width T defines the amount of emergency drainage of the drain trap 41 and the amount of condensed water pool 4108 (shown in FIG. 3) for hot air sealing. Even if the amount of emergency drainage is expected to be small, it is 18 L / min. Therefore, the separation width that can secure this amount of water is the minimum required. On the other hand, it is desirable that the amount of condensed water pool 4108 for sealing hot air is small, so the separation width should be as narrow as possible.

従来のＳ字形パイプの排水トラップは出来上がり寸法精度の劣るブロー成形品であったので、寸法精度の狂いを見込んで口径を大きく作らざるを得なかった。しかし、本発明の実施例に係る排水トラップ４１は、中蓋４１１も本体ケース４１０と同様に、成形用の金型が上下方向に抜ける構成にしているので、作り易く，寸法精度良く形成される。このため、前記離間幅は寸法精度の狂いを見込んで大きくする必要なく、緊急排水量をしつつ、温風封止のための結露水溜量４１０８を少なくでき、少ない結露水溜量で乾燥空気の漏れ出しを早期に阻止することが実現できる。   Since the conventional S-shaped pipe drain trap was a blow-molded product with poor dimensional accuracy, it had to make a large diameter in anticipation of dimensional accuracy. However, in the drain trap 41 according to the embodiment of the present invention, the inner lid 411 is configured so that the molding die can be pulled out in the vertical direction, similarly to the main body case 410, so that it is easy to make and is formed with high dimensional accuracy. . For this reason, it is not necessary to increase the separation width in anticipation of a deviation in dimensional accuracy, and the amount of condensed water pool 4108 for hot air sealing can be reduced while urgent drainage is performed, and dry air leaks with a small amount of condensed water pool. Can be prevented early.

上部カバー４１２は、本体ケース４１０の外側ケース筒部４１０１の上部を塞ぐカバー部４１２０と、前記緊急排水パイプ４０の下端が接続されるパイプ接続部４１２１と、カバー部４１２０の内側面より下方に延在する複数の押圧片４１２２と、カバー部４１２０の外周に設けた環状の係止部４１２３と、支持腕４１２４を有する。   The upper cover 412 extends downward from an inner surface of the cover portion 4120, a cover portion 4120 that covers the upper portion of the outer case tube portion 4101 of the main body case 410, a pipe connection portion 4121 to which the lower end of the emergency drain pipe 40 is connected. It has a plurality of existing pressing pieces 4122, an annular locking portion 4123 provided on the outer periphery of the cover portion 4120, and a support arm 4124.

上部カバー４１２は、外側ケース筒部４１０１の上側に押し付けることで係止部４１２３が外側ケース筒部４１０１の上部係合部に嵌合して取り付けられる。この取り付けにともない、上記押圧片４１２２が中蓋４１１を下方に押圧するようになる。このため、中蓋４１１が洗濯乾燥運転の振動や緊急排水の影響で浮き上がって前記離間幅が変わってしまう不具合は防止される。   The upper cover 412 is attached by fitting the engaging portion 4123 to the upper engaging portion of the outer case tube portion 4101 by pressing the upper cover 412 on the upper side of the outer case tube portion 4101. With this attachment, the pressing piece 4122 presses the inner lid 411 downward. For this reason, the malfunction that the inner lid 411 floats up under the influence of the vibration of the washing / drying operation or the emergency drainage and the separation width is changed is prevented.

排水トラップ４１は、支持腕４１２４を用いて外槽５に取り付けられる。支持腕４１２４とパイプ接続部４１２１で外槽５の挟み、支持腕４１２４に設けた掛け止め突起４１２５が外槽５の係止孔（図示せず）に係合して排水トラップ４１は外槽５の底部に外れないように取り付けが行われる。   The drain trap 41 is attached to the outer tub 5 using a support arm 4124. The outer arm 5 is sandwiched between the support arm 4124 and the pipe connection portion 4121, and the latching protrusion 4125 provided on the support arm 4124 is engaged with a locking hole (not shown) of the outer tank 5, so that the drain trap 41 is placed in the outer tank 5. The attachment is performed so that it does not come off at the bottom.

また上述したように排水トラップ４１を構成する各部品は、寸法精度良く形成できるので排水トラップ４１が全体的にコンパクトになる。このため、排水トラップ４１は外槽５の底部の狭いところに配置される他部品との干渉が緩和され、取り付けがし易い。   Further, as described above, since the components constituting the drain trap 41 can be formed with high dimensional accuracy, the drain trap 41 becomes compact as a whole. For this reason, the drain trap 41 is less likely to interfere with other parts arranged in the narrow portion of the bottom of the outer tub 5, and is easy to install.

上記実施例では、前記離間幅を中蓋４１１は、前記複数突起（図示せず）と環状底部４１０３との当接により構成しているが、中蓋４１１の天井部４１１０の内側に内側ケース筒部４１０２の上端に当接する複数突起を設けて離間幅ができるようにすることも可能である。   In the above-described embodiment, the inner lid 411 is configured by the abutment of the plurality of protrusions (not shown) and the annular bottom portion 4103, but the inner case cylinder is formed inside the ceiling portion 4110 of the inner lid 411. It is also possible to provide a plurality of protrusions that abut on the upper end of the portion 4102 so that the separation width can be increased.

また、位置決め突起４１０７は中蓋４１１の筒部４１１１、もしくは外側ケース筒部４１０１の内周側に変更して設けることも可能である。   Further, the positioning protrusion 4107 can be provided by being changed to the cylindrical portion 4111 of the inner lid 411 or the inner peripheral side of the outer case cylindrical portion 4101.

本発明の実施例に係るもので、洗濯乾燥機の縦断面図である。FIG. 4 is a longitudinal sectional view of a washing / drying machine according to an embodiment of the present invention. 本発明の実施例に係るもので、外槽と、緊急排水口と、緊急排水パイプと、排水トラップを示す外観図である。It is an external view which concerns on the Example of this invention, and shows an outer tank, an emergency drain outlet, an emergency drain pipe, and a drain trap. 本発明の実施例に係るもので、内部を破断して示した排水トラップの外観図である。It is an external view of the drain trap which concerns on the Example of this invention and fractured | ruptured and showed the inside. 本発明の実施例に係るもので、図３のＡ−Ａ断面図である。FIG. 4 is a cross-sectional view taken along the line AA in FIG. 3 according to the embodiment of the present invention.

符号の説明Explanation of symbols

１ 外枠
２ 洗濯兼脱水槽
４ 撹拌翼
５ 外槽
５ａ 吸い出し口
６ 駆動装置
１６ コントロールユニット
１９ 注水口
２０ 主給水電磁弁
２１ 洗剤溶解容器
２２，２２ａ 補助給水電磁弁
２３ 水冷除湿ダクト
２４ 冷却散水部
２５ 下降風路ダクト
２６ 循環ファン
２７ 上昇風路ダクト
２８ 外槽上カバー
２９ ヒータ
３９ 緊急排水口
４０ 緊急排水パイプ
４１ 排水トラップ
４１０ 本体ケース
４１１ 容器状の中蓋
４１２ 上部カバー
４１０１ 外側ケース筒部
４１０２ 内側ケース筒部
４１０３ 環状底部
４１０４ 水溜部
４１１０ 天井部
４１１１ 筒部
４１２０ カバー部
４１２１ パイプ接続部
Ｔ 離間幅 DESCRIPTION OF SYMBOLS 1 Outer frame 2 Washing and dewatering tank 4 Stirring blade 5 Outer tank 5a Suction port 6 Drive device 16 Control unit 19 Water injection port 20 Main water supply electromagnetic valve 21 Detergent dissolution container 22, 22a Auxiliary water supply electromagnetic valve 23 Water cooling dehumidification duct 24 Cooling water spraying part 25 Down air duct 26 Circulating fan 27 Up air duct 28 Outer tank upper cover 29 Heater 39 Emergency drain 40 Emergency drain pipe 41 Drain trap 410 Main body case 411 Container-shaped inner lid 412 Upper cover 4101 Outer case cylinder 4102 Inside Case cylinder part 4103 Annular bottom part 4104 Water reservoir part 4110 Ceiling part 4111 Tube part 4120 Cover part 4121 Pipe connection part T Separation width

Claims (4)

洗濯機外枠内に弾性的に支持された外槽と、この外槽内に回転可能に設置され、洗濯物を収容する洗濯槽と、この洗濯槽を回転駆動するモータと、前記洗濯槽内を流通し、前記洗濯物を乾かす乾燥空気を加熱するヒータと、前記乾燥空気を前記洗濯槽内に送風循環させる送風機と、前記外槽に設けられ、外槽に備わる溢水口の水位を超える溢水超え水位の水を排水する緊急排水口と、前記外槽の外側面に垂下するように設けられ、前記緊急排水口からの排水が流下する緊急排水パイプと、前記緊急排水パイプの下端に設けられ、水溜部をもつ蒸気漏れ防止用の排水トラップを有する洗濯乾燥機において、
前記排水トラップは、本体ケースと、前記本体ケース内に逆さ向きに置かれる容器状の中蓋と、前記本体ケースの上部を塞ぐように取り付ける上部カバーを有し、かつ前記本体ケースと、前記容器状の中蓋と、前記上部カバーは合成樹脂で別体に成形され、
前記本体ケースと上部カバーは溶着にて接合され、
前記本体ケースは、外側ケース筒部と、内側ケース筒部と、前記外内側両ケース筒部の底を閉じる環状底部と、前記外内側両ケース筒部および前記環状底部で形成される水溜部を有し、
前記容器状の中蓋は前記水溜部に挿入される筒部と、前記内側ケース筒部を覆う天井部を有し、かつ前記筒部の下端が前記環状底部の内底面から離間する離間幅を保って置かれ、
前記上部カバーは、前記本体ケースの上部を塞ぐカバー部と、前記緊急排水パイプが接続されるパイプ接続部を有することを特徴とする洗濯乾燥機。 An outer tub elastically supported in the outer frame of the washing machine; a laundry tub rotatably installed in the outer tub; and a motor for rotationally driving the laundry tub; A heater that heats dry air that dries the laundry, a blower that blows and circulates the dry air into the washing tub, and overflow water that is provided in the outer tub and exceeds the water level of the overflow opening provided in the outer tub An emergency drain outlet for draining water at an excess water level, an emergency drain pipe provided to hang down on the outer surface of the outer tub, and drainage from the emergency drain outlet, and provided at a lower end of the emergency drain pipe In the washing and drying machine having a drain trap for preventing water leakage with a water reservoir,
The drain trap has a main body case, a container-shaped inner lid placed in an inverted direction in the main body case, and an upper cover that is attached so as to close an upper portion of the main body case, and the main body case and the container The inner cover and the upper cover are molded separately from synthetic resin,
The main body case and the upper cover are joined by welding,
The main body case includes an outer case tube portion, an inner case tube portion, an annular bottom portion that closes bottoms of the outer and inner case tube portions, and a water reservoir formed by the outer and inner case tube portions and the annular bottom portion. Have
The container-shaped inner lid has a cylindrical portion inserted into the water reservoir and a ceiling portion that covers the inner case cylindrical portion, and has a separation width at which the lower end of the cylindrical portion is separated from the inner bottom surface of the annular bottom portion. Kept,
The upper cover includes a cover portion that covers an upper portion of the main body case, and a pipe connection portion to which the emergency drain pipe is connected. 請求項１記載の洗濯乾燥機において、
前記中蓋の底部は、前記逆さ向きに置かれた状態で中央が***していることを特徴とする洗濯乾燥機。 In the washing and drying machine according to claim 1,
The washing / drying machine according to claim 1, wherein the bottom of the inner lid is raised in the center while being placed in the upside down direction. 請求項１記載の洗濯乾燥機において、
前記本体ケースの内側ケース筒部の下端を閉じるシートを有することを特徴とする洗濯乾燥機。 In the washing and drying machine according to claim 1,
A washing and drying machine comprising a sheet for closing a lower end of an inner case tube portion of the main body case. 請求項１記載の洗濯乾燥機において、
前記離間幅が１５mm以下であることを特徴とする洗濯乾燥機。 In the washing and drying machine according to claim 1,
The washing / drying machine, wherein the separation width is 15 mm or less.
JP2008252136A 2008-09-30 2008-09-30 Washing and drying machine Expired - Fee Related JP4945537B2 (en)

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