JPH0788286A - Water seal device of washing machine with spin dryer - Google Patents
Water seal device of washing machine with spin dryerInfo
- Publication number
- JPH0788286A JPH0788286A JP5236070A JP23607093A JPH0788286A JP H0788286 A JPH0788286 A JP H0788286A JP 5236070 A JP5236070 A JP 5236070A JP 23607093 A JP23607093 A JP 23607093A JP H0788286 A JPH0788286 A JP H0788286A
- Authority
- JP
- Japan
- Prior art keywords
- seal
- tub
- washing
- piece
- outer tub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、洗濯兼脱水槽を備えた
脱水洗濯機に関し、さらに詳しくは、洗濯兼脱水槽の駆
動軸である脱水シャフトを液密にシールする水封装置に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dewatering washing machine having a washing / dehydrating tub, and more particularly to a water sealing device for sealing a dewatering shaft, which is a drive shaft of the washing / dehydrating tub, in a liquid-tight manner.
【０００２】[0002]
【従来の技術】図４は、従来の全自動の脱水洗濯機の概
略断面図であり、図５は、図４の軸受け部分の拡大断面
図である。2. Description of the Related Art FIG. 4 is a schematic sectional view of a conventional fully automatic dewatering washing machine, and FIG. 5 is an enlarged sectional view of a bearing portion of FIG.
【０００３】本体１の内部には、外槽２0が防振スプリ
ング３および吊り棒４によって懸垂支持されており、外
槽２0には、パルセータ５を内底中央に装備した洗濯兼
脱水槽６が、回転自在に設けられており、この洗濯兼脱
水槽６の周壁には、図示しない多数の脱水孔が形成され
ている。[0003] Inside the main body 1, the outer tub 2 0 are suspended supported by anti-vibration spring 3 and the hanging rod 4, the outer tub 2 0, the washing and dewatering tank equipped with a pulsator 5 to the inner bottom center 6 is rotatably provided, and a large number of dehydration holes (not shown) are formed on the peripheral wall of the washing / dehydrating tub 6.
【０００４】外槽２0の下方には、モータ７および伝達
装置からなる駆動部が、設けられている。上側軸受けハ
ウジング８に固定されているモータ７のトルクは、Ｖベ
ルト９を介してセンタープーリ１０に伝達される。[0004] Below the outer tub 2 0, the drive unit comprising a motor 7 and a transmission device is provided. The torque of the motor 7 fixed to the upper bearing housing 8 is transmitted to the center pulley 10 via the V belt 9.
【０００５】洗濯時には、モータ７のトルクは、センタ
ープーリ１０に一体固定されたギヤーシャフト１１の上
部にかみ合い嵌合したギヤーユニット１２を介してパル
セータシャフト１３に伝えられてその上部のパルセータ
５が同期回転（反転）して洗濯が行われ、脱水時には、
センタープーリ１０に伝達されたトルクをクラッチボス
１４およびクラッチバネ１５を介してクラッチシャフト
１６に伝え、このクラッチシャフト１６に、ブレーキホ
イル１７、脱水シャフト１８、フランジ１９を介して連
結された洗濯兼脱水槽６が回転し、その遠心力によって
脱水が行われる。また、このときパルセータ５も同期回
転する。At the time of washing, the torque of the motor 7 is transmitted to the pulsator shaft 13 via the gear unit 12 engaged with the upper portion of the gear shaft 11 integrally fixed to the center pulley 10, and the pulsator 5 on the upper portion is synchronized. Washing is done by rotating (reversing), when dehydrating,
The torque transmitted to the center pulley 10 is transmitted to the clutch shaft 16 via the clutch boss 14 and the clutch spring 15, and the washing / decoupling connected to the clutch shaft 16 via the brake wheel 17, the dehydration shaft 18 and the flange 19. The water tank 6 rotates, and the centrifugal force causes dehydration. At this time, the pulsator 5 also rotates synchronously.
【０００６】かかる脱水洗濯機の従来のシール構造は、
図５に示されるように、脱水シャフト１８に対する軸シ
ールおよび外槽２0に対するシールを行うために、内外
同心状の２つのシール片２０，２１を有する環状のシー
ル体２２を、精密プレス部品である上側軸受けハウジン
グ８上に設け、その内側のシール片２０を脱水シャフト
１８に密接させて軸受けベアリング２３と脱水シャフト
１８との間を水封し、一方、外側のシール片２１を外槽
２0の底部外面のシール平面に密接させて外槽２0と上側
軸受けハウジング８との間を水封している。２４は内側
のシール片２０に緊縛力を与えて脱水シャフト１８の水
封を確実にするための環状スプリングであり、２５は金
属製補強体で、環状のシール体２２にインサートされて
いる。The conventional seal structure of such a dehydration washing machine is
As shown in FIG. 5, in order to seal against the shaft seal and the outer tub 2 0 for dewatering shaft 18, an annular seal body 22 having inner and outer concentric two seal segments 20, 21, precision pressed parts provided on some upper bearing housing 8, and water seal between the bearing bearing 23 and dewatering shaft 18 by tightly sealing piece 20 of the inner dehydration shaft 18, whereas, 2 an outer sealing strip 21 the outer tank 0 bottom is closely seal the plane of the outer surface has a water seal between the outer tub 2 0 and the upper bearing housing 8. Reference numeral 24 is an annular spring for applying a binding force to the inner sealing piece 20 to ensure the water sealing of the dehydration shaft 18, and 25 is a metal reinforcing body, which is inserted into the annular sealing body 22.
【０００７】[0007]
【発明が解決しようとする課題】ところが、このような
従来例では、外側のシール片を密接させる外槽が、樹脂
成形品であって、成形収縮の影響を受けやすいために、
シール面の変形による水封性の低下が懸念される。However, in such a conventional example, since the outer tank for closely contacting the outer seal piece is a resin molded product and is easily affected by molding shrinkage,
There is concern that the water sealability may deteriorate due to the deformation of the sealing surface.
【０００８】本発明は、上述の点に鑑みてなされたもの
であって、外槽の成形収縮によるシール面の変形によっ
ても確実安定にシールできるようにすることを目的とす
る。The present invention has been made in view of the above points, and it is an object of the present invention to ensure reliable and stable sealing even when the sealing surface is deformed due to molding shrinkage of the outer tank.
【０００９】[0009]
【課題を解決するための手段】本発明では、上述の目的
を達成するために、次のように構成している。In order to achieve the above-mentioned object, the present invention is constructed as follows.
【００１０】すなわち、請求項第１項に記載の本発明
は、洗濯兼脱水槽を内装する外槽の底部開口縁の下方
に、内外同心状の２つのシール片を有し、かつ内側のシ
ール片が前記洗濯兼脱水槽の駆動軸に密接するととも
に、外側のシール片が前記外槽の底部外面に密接する環
状のシール体を配設し、外槽の前記底部外面は、前記開
口縁に近接する程、前記シール体側に傾斜して形成され
ている。That is, according to the first aspect of the present invention, the inner and outer concentric seal pieces are provided below the bottom opening edge of the outer tub in which the washing / dehydrating tub is installed, and the inner seal. A ring-shaped seal body is provided in which the outer seal piece is in close contact with the drive shaft of the washing / dehydrating tub, and the outer seal piece is in close contact with the bottom outer surface of the outer tub. The closer they are to each other, the more they are inclined toward the seal body side.
【００１１】また、請求項第２項に記載の本発明は、洗
濯兼脱水槽を内装する外槽の底部開口縁の下方に、内外
同心状の２つのシール片を有し、かつ内側のシール片が
前記洗濯兼脱水槽の駆動軸に密接するとともに、外側の
シール片が前記外槽の底部外面に密接する環状のシール
体を配設し、外槽の前記底部外面には、突起が、前記外
側のシール片に密接する部位に沿って環状に形成されて
いる。The present invention as set forth in claim 2 has two inner and outer concentric seal pieces below the bottom opening edge of the outer tub in which the washing / dehydrating tub is installed, and the inner seal. A piece is closely attached to the drive shaft of the washing / dehydrating tub, and an outer seal piece is provided with an annular seal body that is in close contact with the outer surface of the bottom of the outer tub, and a protrusion is provided on the outer surface of the bottom of the outer tub. It is formed in an annular shape along a portion in close contact with the outer seal piece.
【００１２】[0012]
【作用】請求項第１項に記載の本発明によれば、外側の
シール片が密接する外槽の底部外面を、シール体側に傾
斜させて形成しているので、樹脂成形品である外槽が、
成形収縮作用によって変形しても、傾斜面とシール片と
によって安定したシールが行える。According to the present invention as set forth in claim 1, since the outer surface of the bottom of the outer tub to which the outer seal piece is in contact is formed so as to be inclined toward the seal body, the outer tub is a resin molded product. But,
Even if it deforms due to the molding shrinkage, the inclined surface and the seal piece can provide stable sealing.
【００１３】請求項第２項に記載の本発明によれば、外
槽の底部外面に、突起を、外側のシール片に密接する部
位に沿って環状に形成しているので、樹脂成形品である
外槽が、成形収縮作用によって変形しても、前記突起と
シール片とによって線密接による安定したシールが行え
る。According to the second aspect of the present invention, since the protrusion is formed annularly on the outer surface of the bottom portion of the outer tub along the portion in close contact with the outer seal piece, it is a resin molded product. Even if a certain outer tank is deformed by the molding shrinkage effect, a stable seal can be achieved by line contact with the projection and the seal piece.
【００１４】[0014]
【実施例】以下、図面によって本発明の実施例につい
て、詳細に説明する。Embodiments of the present invention will now be described in detail with reference to the drawings.
【００１５】図１は、本発明の一実施例の全自動脱水洗
濯機の概略断面図であり、図４の従来例に対応する部分
は、同一の参照符号を付す。FIG. 1 is a schematic cross-sectional view of a fully automatic dewatering washing machine according to an embodiment of the present invention, and portions corresponding to the conventional example of FIG. 4 are designated by the same reference numerals.
【００１６】本体１の内部には、外槽２が防振スプリン
グ３および吊り棒４によって懸垂支持されており、外槽
２には、パルセータ５を内底中央に装備した洗濯兼脱水
槽６が、回転自在に設けられており、この洗濯兼脱水槽
６の周壁には、図示しない多数の脱水孔が形成されてい
る。Inside the main body 1, an outer tub 2 is suspended and supported by a vibration-proof spring 3 and a suspension rod 4, and in the outer tub 2, a washing and dehydrating tub 6 equipped with a pulsator 5 at the center of the inner bottom is provided. The washing / dewatering tub 6 is rotatably provided with a large number of dewatering holes (not shown) on the peripheral wall thereof.
【００１７】外槽２の下方には、モータ７および伝達装
置からなる駆動部が、設けられている。上側軸受けハウ
ジング８に固定されているモータ７のトルクは、Ｖベル
ト９を介してセンタープーリ１０に伝達される。Below the outer tub 2, a drive unit including a motor 7 and a transmission device is provided. The torque of the motor 7 fixed to the upper bearing housing 8 is transmitted to the center pulley 10 via the V belt 9.
【００１８】洗濯時には、モータ７のトルクは、センタ
ープーリ１０に一体固定されたギヤーシャフト１１の上
部にかみ合い嵌合したギヤーユニット１２を介してパル
セータシャフト１３に伝えられてその上部のパルセータ
５が同期回転（反転）して洗濯が行われ、脱水時には、
センタープーリ１０に伝達されたトルクをクラッチボス
１４およびクラッチバネ１５を介してクラッチシャフト
１６に伝え、このクラッチシャフト１６に、ブレーキホ
イル１７、脱水シャフト１８、フランジ１９を介して連
結された洗濯兼脱水槽６が回転し、その遠心力によって
脱水が行われる。また、このときパルセータ５も同期回
転する。At the time of washing, the torque of the motor 7 is transmitted to the pulsator shaft 13 via the gear unit 12 engaged with the upper portion of the gear shaft 11 integrally fixed to the center pulley 10, and the pulsator 5 on the upper portion is synchronized. Washing is done by rotating (reversing), when dehydrating,
The torque transmitted to the center pulley 10 is transmitted to the clutch shaft 16 via the clutch boss 14 and the clutch spring 15, and the washing / decoupling connected to the clutch shaft 16 via the brake wheel 17, the dehydration shaft 18 and the flange 19. The water tank 6 rotates, and the centrifugal force causes dehydration. At this time, the pulsator 5 also rotates synchronously.
【００１９】以上の基本的な構成および動作は、図４の
従来例と同様である。The basic structure and operation described above are the same as those of the conventional example shown in FIG.
【００２０】図２は、図１の実施例の軸受け部分の拡大
断面図である。脱水シャフト１８に対する軸シールおよ
び外槽２に対するシールを行うために、内外同心状の２
つのシール片２０，２１を有する環状シール体２２を、
精密プレス部品である上側軸受けハウジング８上に設
け、その内側のシール片２０を脱水シャフト１８に密接
させて軸受けベアリング２３と脱水シャフト１８との間
を水封し、一方、外側のシール片２１を外槽２の底部外
面のシール平面に密接させて外槽２と上側軸受けハウジ
ング８との間を水封している。なお、２４は内側のシー
ル片２０に緊縛力を与えて脱水シャフト１８の水封を確
実にするための環状スプリングであり、２５は金属製補
強体であり、環状のシール体２２にインサートされてい
る。FIG. 2 is an enlarged sectional view of the bearing portion of the embodiment shown in FIG. In order to perform axial sealing for the dehydration shaft 18 and sealing for the outer tub 2, the inner and outer concentric 2
An annular sealing body 22 having two sealing pieces 20, 21
It is provided on the upper bearing housing 8 which is a precision press part, and the seal piece 20 inside thereof is brought into close contact with the dehydration shaft 18 to seal the water between the bearing bearing 23 and the dehydration shaft 18, while the outer seal piece 21 is provided. The outer tub 2 and the upper bearing housing 8 are water-sealed by being brought into close contact with the seal plane on the outer surface of the bottom of the outer tub 2. In addition, 24 is an annular spring for applying a binding force to the inner seal piece 20 to ensure the water sealing of the dehydration shaft 18, 25 is a metal reinforcing body, and is inserted into the annular seal body 22. There is.
【００２１】図３は、図２の一部をさらに拡大した断面
図であり、この実施例では、樹脂成形品である外槽２の
成形収縮によるシール面の変形によっても確実安定にシ
ールできるようにするために、次のように構成してい
る。FIG. 3 is a sectional view in which a part of FIG. 2 is further enlarged. In this embodiment, it is possible to reliably and stably seal even if the sealing surface is deformed due to the molding shrinkage of the outer tub 2 which is a resin molded product. In order to achieve this, the configuration is as follows.
【００２２】すなわち、外槽２の底部外面が、外槽２の
成形収縮によって環状のシール体２２から離れる方向に
変形しても、確実安定にシールできるように、外槽２の
底部外面を、外槽２の開口縁に近接するにつれてシール
体２２側に角度θ傾斜させて形成しており、さらに、底
部外面には、外側のシール片２１が密接する部位に沿っ
て環状に、２つの突起２６，２７が形成されている。各
突起２６，２７は、その断面形状が三角形とされてお
り、さらに、断面が大略Ｕ字状の外側のシール片２１に
整合するように、内側の突起２６の高さｈ１を、外側の
突起２７の高さｈ２よりも大きく設定している（ｈ１＞
ｈ２）。That is, even if the outer surface of the bottom portion of the outer tub 2 is deformed in a direction away from the annular seal body 22 due to the molding shrinkage of the outer vessel 2, the outer surface of the bottom portion of the outer tub 2 is securely and stably sealed. It is formed so as to be inclined at an angle θ toward the seal body 22 side as it approaches the opening edge of the outer tub 2, and further, two protrusions are annularly formed on the outer surface of the bottom along a portion where the outer seal piece 21 is in close contact. 26 and 27 are formed. Each of the protrusions 26 and 27 has a triangular cross-sectional shape, and the height h1 of the inner protrusion 26 is set to the outer protrusion so that the protrusions 26 and 27 are aligned with the outer seal piece 21 having a substantially U-shaped cross section. It is set larger than the height h2 of 27 (h1>
h2).
【００２３】このように、外側のシール片２１が密接す
る外槽２の底部外面を、シール体２２側に傾斜させると
ともに、２つの突起２６，２７を、外側のシール片２７
に密接する部位に沿って環状に形成しているので、樹脂
成形品である外槽２が、成形収縮作用によって変形して
も、前記突起２６，２７とシール片２１とによる確実安
定なシールが行えることになる。As described above, the outer surface of the bottom portion of the outer tub 2 to which the outer seal piece 21 is closely contacted is inclined toward the seal body 22 side, and the two projections 26 and 27 are provided on the outer seal piece 27.
Since the outer tub 2 which is a resin molded product is deformed by the molding contraction action, a reliable and stable seal is formed by the projections 26 and 27 and the seal piece 21 because the outer tub 2 is formed in an annular shape along the portion closely contacting with the. You can do it.
【００２４】[0024]
【発明の効果】以上のように本発明によれば、シール片
が密接する外槽の底部外面を、シール体側に傾斜させて
形成し、あるいは、外槽の底部外面に突起を、シール片
に密接する部位に沿って形成しているので、樹脂成形品
である外槽が、成形収縮作用によって変形しても、傾斜
面とシール片とによって、あるいは、前記突起とシール
片との線密接によって安定確実なシールが行える。As described above, according to the present invention, the outer surface of the bottom portion of the outer tub to which the seal piece closely contacts is formed to be inclined toward the seal body side, or a protrusion is formed on the outer surface of the bottom portion of the outer tub. Since the outer tank, which is a resin molded product, is deformed by the molding contraction action because it is formed along the closely contacting part, it is caused by the inclined surface and the seal piece, or by the line contact between the protrusion and the seal piece. Stable and reliable sealing is possible.
【図１】本発明の一実施例の脱水洗濯機の概略断面図で
ある。FIG. 1 is a schematic sectional view of a dewatering washing machine according to an embodiment of the present invention.
【図２】図１の実施例の軸受け付近の拡大断面図であ
る。FIG. 2 is an enlarged cross-sectional view near a bearing of the embodiment of FIG.
【図３】図２の一部をさらに拡大した断面図である。FIG. 3 is a sectional view in which a part of FIG. 2 is further enlarged.
【図４】従来例の概略断面図である。FIG. 4 is a schematic cross-sectional view of a conventional example.
【図５】図４の従来例の軸受け付近の拡大断面図であ
る。5 is an enlarged cross-sectional view near the bearing of the conventional example of FIG.
２ 外槽 ６ 洗濯兼脱水槽 １８ 脱水シャフト ２０，２１ シール片 ２２ シール体 ２６，２７ 突起 2 Outer tank 6 Washing / dewatering tank 18 Dewatering shaft 20,21 Sealing piece 22 Sealing body 26,27 Protrusion
Claims (2)
縁の下方に、内外同心状の２つのシール片を有し、かつ
内側のシール片が前記洗濯兼脱水槽の駆動軸に密接する
とともに、外側のシール片が前記外槽の底部外面に密接
する環状のシール体を配設し、 外槽の前記底部外面は、前記開口縁に近接する程、前記
シール体側に傾斜して形成されることを特徴とする脱水
洗濯機の水封装置。1. A washing / dehydrating tub having two inner and outer concentric sealing pieces below an opening edge of an outer tub, the inner sealing piece being in close contact with a drive shaft of the washing / dehydrating tub. In addition, an outer seal piece is provided with an annular seal body that is in close contact with the outer surface of the bottom portion of the outer tub, and the outer surface of the bottom portion of the outer tub is formed to incline toward the seal body as it approaches the opening edge. A water seal device for a dehydration washing machine.
縁の下方に、内外同心状の２つのシール片を有し、かつ
内側のシール片が前記洗濯兼脱水槽の駆動軸に密接する
とともに、外側のシール片が前記外槽の底部外面に密接
する環状のシール体を配設し、 外槽の前記底部外面には、突起が、前記外側のシール片
に密接する部位に沿って環状に形成されることを特徴と
する脱水洗濯機の水封装置。2. A washing / dehydrating tub having an inner and outer concentric sealing piece below an opening edge of an outer tub, the inner sealing piece being in close contact with a drive shaft of the washing / dehydrating tub. In addition, an outer seal piece is provided with an annular seal body that is in close contact with the outer surface of the bottom portion of the outer tub, and on the outer surface of the bottom portion of the outer tank, a protrusion is provided along the portion in close contact with the outer seal piece. A water sealing device for a dehydration washing machine, which is formed in an annular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05236070A JP3084543B2 (en) | 1993-09-22 | 1993-09-22 | Dewatering washing machine water seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05236070A JP3084543B2 (en) | 1993-09-22 | 1993-09-22 | Dewatering washing machine water seal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0788286A true JPH0788286A (en) | 1995-04-04 |
| JP3084543B2 JP3084543B2 (en) | 2000-09-04 |
Family
ID=16995276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05236070A Expired - Fee Related JP3084543B2 (en) | 1993-09-22 | 1993-09-22 | Dewatering washing machine water seal device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3084543B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8561269B2 (en) | 2010-09-17 | 2013-10-22 | Ykk Corporation | Fastener having a flexible base |
-
1993
- 1993-09-22 JP JP05236070A patent/JP3084543B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3084543B2 (en) | 2000-09-04 |
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