JPH0732835B2 - Washing machine - Google Patents
Washing machineInfo
- Publication number
- JPH0732835B2 JPH0732835B2 JP61107077A JP10707786A JPH0732835B2 JP H0732835 B2 JPH0732835 B2 JP H0732835B2 JP 61107077 A JP61107077 A JP 61107077A JP 10707786 A JP10707786 A JP 10707786A JP H0732835 B2 JPH0732835 B2 JP H0732835B2
- Authority
- JP
- Japan
- Prior art keywords
- tub
- main body
- outer tub
- washing
- dehydration
- 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.)
- Expired - Lifetime
Links
Landscapes
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は洗濯機の脱水時における振動特性の向上に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvement of vibration characteristics when a washing machine is dehydrated.
従来の技術 近年、洗濯機の大容量化が要望されており、それに伴い
洗濯槽および脱水槽の大型化がなされるため、従来の洗
濯機の本体と内部部品との隙間の余裕が減少してきてい
る。2. Description of the Related Art In recent years, there has been a demand for larger capacity of washing machines, and as a result, washing tubs and spin-drying tubs have become larger, which has reduced the margin between the main body of conventional washing machines and internal parts. There is.
以下図面を参照しながら、従来の洗濯機について説明す
る。A conventional washing machine will be described below with reference to the drawings.
第４図において、１は本体、２は本体１に取付けられた
支持部である。３は外槽で、支持部２よりバネとダンパ
を有するサスペンション４によって吊設されている。５
は内槽で、洗濯機と脱水槽を兼用している。６は内槽５
の中央底部に設けられた攪拌翼、７は攪拌翼６や内槽５
に回転力を伝える伝達機構部で、内部に洗濯用の減速ギ
アや洗濯・脱水の切換クラッチを設けている。８はモー
タで、伝達機構部７に回転力を与えている。９は振動感
知器で、本体１上部内面に設けられている。10は内槽５
の上部に設けられた流体バランサである。In FIG. 4, reference numeral 1 is a main body, and 2 is a support portion attached to the main body 1. An outer tank 3 is suspended from a support 2 by a suspension 4 having a spring and a damper. 5
Is an inner tub that serves both as a washing machine and a dehydration tub. 6 is the inner tank 5
A stirring blade provided at the central bottom of the tank, and 7 is a stirring blade 6 and an inner tank 5.
It is a transmission mechanism that transmits rotational force to the inside, and is equipped with a reduction gear for washing and a switching clutch for washing and dehydration inside. Reference numeral 8 denotes a motor, which applies a rotational force to the transmission mechanism section 7. A vibration sensor 9 is provided on the inner surface of the upper portion of the main body 1. 10 is the inner tank 5
Is a fluid balancer provided on the upper part of the.
以上のように構成された洗濯機について、以下その動作
を説明する。The operation of the washing machine configured as described above will be described below.
洗濯は、内槽５に洗濯物と洗濯水を入れ、伝達機構部７
の切換クラッチを洗濯側にし、モータ８の回転を攪拌翼
６に伝達機構部７を介して伝達して行われる。For washing, put laundry and washing water in the inner tub 5, and transfer mechanism 7
The switching clutch is set to the washing side, and the rotation of the motor 8 is transmitted to the stirring blade 6 via the transmission mechanism section 7.
次に、脱水は、洗濯物を内槽５に入れ、伝達機構部７の
切換クラッチを脱水側にし、モータ８の回転を内槽５に
伝達機構部７を介して伝達して行われるが、この脱水起
動時に内槽５内の洗濯物のかたより等によって、サスペ
ンション４に吊設された外槽３が水平および垂直方向に
大きく振動する場合がある。この振動を抑えなければ、
外槽３が本体１に衝突するため、この振動の垂直成分に
ついては、サスペンション４のダンパで抑えている。一
方、水平成分の振動による外槽３と本体１との衝突は、
本体１と外槽３との隙間を大きくとることでさけてい
る。しかし、さらに、水平成分の振動の振幅が大きい場
合には、振動感知器９に外槽３が衝突するか否かで、図
示されていない制御部によって水平振動状態を判断し、
脱水を停止し、洗濯物のバランスを取り直し、再び脱水
が行われる。また、脱水中の定常振動は流体バランサ10
によって低減されている。Next, dehydration is carried out by putting the laundry in the inner tub 5, setting the switching clutch of the transmission mechanism unit 7 to the dehydration side, and transmitting the rotation of the motor 8 to the inner tub 5 via the transmission mechanism unit 7. At the time of starting the dehydration, the outer tub 3 suspended from the suspension 4 may vibrate greatly in the horizontal and vertical directions due to the bending of the laundry in the inner tub 5. If you do not suppress this vibration,
Since the outer tank 3 collides with the main body 1, the vertical component of this vibration is suppressed by the damper of the suspension 4. On the other hand, the collision between the outer tank 3 and the main body 1 due to the vibration of the horizontal component,
This is avoided by making a large gap between the main body 1 and the outer tub 3. However, when the amplitude of the horizontal component vibration is large, the horizontal vibration state is determined by a control unit (not shown) depending on whether or not the outer tub 3 collides with the vibration sensor 9.
Dehydration is stopped, laundry is rebalanced and dehydration is performed again. In addition, the steady vibration during dehydration is caused by the fluid balancer 10.
Has been reduced by.
発明が解決しようとする問題点 しかしながら上記のような構成では、内槽５内の洗濯物
のかたよりが大きいと脱水起動時に外槽３が本体１や振
動感知器９に衝突し、脱水が順調に行われないという欠
点を有していた。Problems to be Solved by the Invention However, in the above-mentioned configuration, when the weight of the laundry in the inner tub 5 is large, the outer tub 3 collides with the main body 1 and the vibration sensor 9 when the dehydration is started, and the dehydration is smoothly performed. It had the drawback of not being done.
本発明は上記欠点を鑑み、洗濯物のかたよりが大きい場
合でも、順調に脱水が行える洗濯機を提供するものであ
る。In view of the above-mentioned drawbacks, the present invention provides a washing machine that can smoothly perform dehydration even when the size of the laundry is large.
問題点を解決するための手段 この目的を達成するために本発明の洗濯機は、本体内部
に上部より吊設した外槽と、この外槽内部に洗濯兼脱水
槽として設けた内槽と、この内槽内部に攪拌翼と、前記
本体内部に前記内槽及び攪拌翼を駆動させる第１の電動
機とを備え、前記外槽中央底部には回転体と、この回転
体を駆動させる第２の電動機を設けたものである。Means for Solving the Problems To achieve this object, the washing machine of the present invention has an outer tub suspended from an upper part inside the main body, and an inner tub provided as a washing and dehydrating tub inside the outer tub, A stirring blade is provided inside the inner tank, and a first electric motor that drives the inner tank and the stirring blade is provided inside the main body. A rotating body is provided at the center bottom portion of the outer tank, and a second rotating body drives the rotating body. It is equipped with an electric motor.
作 用 この構成によって、回転体を駆動することにより、内槽
内の洗濯物のかたよりによって脱水起動時に外槽が傾斜
して振れ回わるのを、回転体のジャイロ効果で抑制する
ため、外槽が本体等に衝突することがほとんどなくな
り、脱水を順調に行なうことができる。Operation With this configuration, by driving the rotating body, the gyro effect of the rotating body prevents the outer tub from swinging around when the dehydration starts due to the direction of the laundry in the inner tub. Almost no collision with the main body etc., and dehydration can be smoothly performed.
実施例 以下本発明の一実施例について、図面を参照しながら説
明する。Embodiment An embodiment of the present invention will be described below with reference to the drawings.
第１図は本発明の一実施例における洗濯機の断面図を示
すものである。第１図において、１は本体、２は支持
部、３は外槽、４はサスペンション、５は内槽、６は攪
拌翼、７は伝達機構部、８は第１のモータ、９は振動感
知器、10は流体バランサで、以上は第４図の従来例の構
成と同じものである。11は外槽３の底部のほぼ中央に取
付けられた第２のモータである。12は第２のモータ11に
取付けられている回転体である。13は外槽３をサスペン
ション４に吊るための外槽吊り部である。FIG. 1 is a sectional view of a washing machine according to an embodiment of the present invention. In FIG. 1, 1 is a main body, 2 is a support part, 3 is an outer tank, 4 is a suspension, 5 is an inner tank, 6 is a stirring blade, 7 is a transmission mechanism part, 8 is a first motor, and 9 is vibration sensing. The container 10 is a fluid balancer, which has the same structure as the conventional example shown in FIG. Reference numeral 11 is a second motor attached to the bottom of the outer tub 3 substantially at the center thereof. Reference numeral 12 is a rotating body attached to the second motor 11. Reference numeral 13 is an outer tank suspension portion for suspending the outer tank 3 on the suspension 4.
以上のように構成された洗濯機について、以下その動作
を説明する。The operation of the washing machine configured as described above will be described below.
洗濯は、内槽５に洗濯物と洗濯水を入れ、伝達機構部７
の切換クラッチを洗濯側にし、モータ８の回転を攪拌翼
６に伝達機構部７を介して伝達して行う。For washing, put laundry and washing water in the inner tub 5, and transfer mechanism 7
The switching clutch is set to the washing side, and the rotation of the motor 8 is transmitted to the stirring blade 6 via the transmission mechanism section 7.
脱水は、洗濯物を内槽５に入れ、伝達機構部７の切換ク
ラッチを脱水側にし、モータ８の回転を内槽５に伝達し
て行う。ところで、従来の技術において示したように脱
水起動時に内槽５内の洗濯物のかたより等によって、サ
スペンション４に吊設された外槽３が傾斜しながら水平
方向に大きな振れ回りが発生する場合がある。しかしな
がら、本実施例では、脱水行程の前段階である排水行程
中に予め回転体12を第２のモータ11によって駆動してい
るので、脱水開始時には回転体12の回転数が十分な値に
なっており、第２図動作説明断面図に示すように、内槽
５内の洗濯物のかたよりによって振れ回り力F1が発生し
て外槽３が傾斜すれば、回転体12によって外槽３底部に
復元力F2が働き、外槽吊り部13を支点としてモーメント
がつり合い、所謂、ジャイロ効果によって外槽３が本体
１に衝突するのを抑制する。したがって、脱水を順調に
行うことができるとともに、さらに、上記ジャイロ効果
を向上させることで、内槽5,外槽３の径を大きくでき、
洗濯容量の増大が計れる。また、脱水の定常時において
も回転体12を回転させることで、外槽３の定常振動を低
減できるため、流体バランサ10の大きさを小さくでき、
結果として内槽５の容積を増し、洗濯容量を増大するこ
とができる。また、上記したジャイロ効果を応用して振
れ回りや定常振動を抑制する方法、本体１からダンパ等
で外槽３の振動を抑制する方法と異なり、本体１に内部
振動が伝達されないため、騒音や振動問題をおここさな
いという利点もある。Dewatering is performed by putting the laundry in the inner tub 5, setting the switching clutch of the transmission mechanism 7 to the dewatering side, and transmitting the rotation of the motor 8 to the inner tub 5. By the way, as shown in the prior art, when the spin-drying is started, the outer tub 3 suspended from the suspension 4 may tilt greatly due to the bending of the laundry in the inner tub 5, etc. is there. However, in the present embodiment, since the rotating body 12 is previously driven by the second motor 11 during the drainage process which is the pre-stage of the dehydration process, the rotation speed of the rotating body 12 becomes a sufficient value at the start of dehydration. As shown in the operation explanatory cross-sectional view of FIG. 2, when the outer tub 3 tilts due to the whirling force F 1 generated by the bending of the laundry in the inner tub 5, the bottom of the outer tub 3 is rotated by the rotating body 12. The restoring force F 2 acts on the outer tub 3 and the moment is balanced around the outer tub suspension 13 as a fulcrum, and the outer tub 3 is prevented from colliding with the main body 1 by the so-called gyro effect. Therefore, the dehydration can be smoothly performed, and by further improving the gyro effect, the diameters of the inner tank 5 and the outer tank 3 can be increased,
The washing capacity can be increased. Further, since the steady vibration of the outer tub 3 can be reduced by rotating the rotating body 12 even in the steady state of dehydration, the size of the fluid balancer 10 can be reduced,
As a result, the volume of the inner tub 5 can be increased and the washing capacity can be increased. Further, unlike the method of suppressing whirling and steady vibration by applying the above-mentioned gyro effect, and the method of suppressing vibration of the outer tub 3 from the main body 1 by a damper or the like, internal vibration is not transmitted to the main body 1, so noise and It also has the advantage of not causing vibration problems.
なお、このジャイロ効果をより高めるには、洗濯物、内
槽５、モータ８等を含めた外槽３に取付けられた全体の
重心と離れた場所に外槽３のサスペンション４の吊り位
置を決めると良い。とり分け、サスペンション４の吊り
位置は、サスペンション４を長くしてて外槽３のできる
だけ低部にすれば、振れ回りの共振周波数も下げられ、
振れ回りの抑制にはより効果的である。In order to further enhance the gyro effect, the suspension position of the suspension 4 of the outer tub 3 is determined at a place apart from the center of gravity of the whole attached to the outer tub 3 including the laundry, the inner tub 5, the motor 8 and the like. And good. In particular, if the suspension 4 is hung up so that the suspension 4 is made as long as possible so that it is as low as possible in the outer tub 3, the resonance frequency of whirling can be lowered.
It is more effective in suppressing whirling.
また、本実施例のように回転体12は外槽３の中央底部に
取り付ければ、より安定したジャイロ効果が得られる。If the rotating body 12 is attached to the central bottom portion of the outer tub 3 as in this embodiment, a more stable gyro effect can be obtained.
発明の効果 以上のように本発明は、外槽中央底部には回転体と、こ
の回転体を駆動させる第２の電動機を設けることにより
内槽内の洗濯物のかたよりによって脱水起動時に外槽が
傾斜して振れ回わるのを回転体のジャイロ効果で抑制す
るため、外槽が本体等に衝突することがほとんどなくな
り、脱水を順調に行なうことになる。これにより、内
槽，外槽の径を増すことを可能とし、結果として、同一
本体寸法で洗濯容量の増大を計ることができる。また、
脱水時の定常振動も上記ジャイロ効果により減少でき
る。EFFECTS OF THE INVENTION As described above, according to the present invention, by providing the rotating body and the second electric motor for driving the rotating body at the central bottom portion of the outer tub, the outer tub can be operated at the time of dewatering by the way of washing the laundry in the inner tub. Since the gyro effect of the rotating body suppresses tilting and swinging, the outer tub almost never collides with the main body or the like, and dehydration is smoothly performed. This makes it possible to increase the diameters of the inner tub and the outer tub, and as a result, the washing capacity can be increased with the same main body size. Also,
The steady vibration during dehydration can also be reduced by the gyro effect.
【図面の簡単な説明】 第１図は本発明の一実施例における洗濯機の断面図、第
２図は同動作説明断面図、第３図は従来の洗濯機の断面
図である。 １……本体、３……外槽、５……内槽、６……攪拌翼、
８……第１のモータ、11……第２のモータ、12……回転
体。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view of a washing machine according to an embodiment of the present invention, FIG. 2 is a sectional view for explaining the same operation, and FIG. 3 is a sectional view of a conventional washing machine. 1 ... Main body, 3 ... Outer tank, 5 ... Inner tank, 6 ... Stirring blade,
8 ... First motor, 11 ... Second motor, 12 ... Rotating body.
Claims (2)
外槽内部に洗濯兼脱水槽として設けた内槽と、この内槽
内部に攪拌翼と、前記本体内部に前記内槽及び攪拌翼を
駆動させる第１の電動機とを備え、前記外槽中央底部に
は回転体と、この回転体を駆動させる第２の電動機を設
けてなる洗濯機。1. An outer tub suspended from an upper portion inside a main body, an inner tub provided as a washing and dehydrating tub inside the outer tub, a stirring blade inside the inner tub, the inner tub inside the main body, and A washing machine comprising: a first electric motor for driving a stirring blade; and a rotating body and a second electric motor for driving the rotating body provided at a central bottom portion of the outer tub.
中に駆動させてなる特許請求の範囲第１項記載の洗濯
機。2. The washing machine according to claim 1, wherein the rotating body is driven during a drainage step which is a pre-stage of the dehydration step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61107077A JPH0732835B2 (en) | 1986-05-09 | 1986-05-09 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61107077A JPH0732835B2 (en) | 1986-05-09 | 1986-05-09 | Washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62261392A JPS62261392A (en) | 1987-11-13 |
| JPH0732835B2 true JPH0732835B2 (en) | 1995-04-12 |
Family
ID=14449896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61107077A Expired - Lifetime JPH0732835B2 (en) | 1986-05-09 | 1986-05-09 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0732835B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56130186A (en) * | 1980-03-19 | 1981-10-12 | Mitsubishi Electric Corp | Dehydrating washing machine |
| JPS58157479U (en) * | 1982-04-16 | 1983-10-20 | 株式会社東芝 | Dehydration basket balancer device |
-
1986
- 1986-05-09 JP JP61107077A patent/JPH0732835B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62261392A (en) | 1987-11-13 |
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