JPH06154472A - Drum type washing machine - Google Patents

Drum type washing machine

Info

Publication number
JPH06154472A
JPH06154472A JP4306727A JP30672792A JPH06154472A JP H06154472 A JPH06154472 A JP H06154472A JP 4306727 A JP4306727 A JP 4306727A JP 30672792 A JP30672792 A JP 30672792A JP H06154472 A JPH06154472 A JP H06154472A
Authority
JP
Japan
Prior art keywords
water tank
drum
piston
main body
damper
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
Application number
JP4306727A
Other languages
Japanese (ja)
Other versions
JP3463305B2 (en
Inventor
Eiji Matsuda
栄治 松田
Katsuhiko Sumiya
勝彦 角谷
Katsuaki Yoshida
勝昭 吉田
Shunichi Iwakiri
俊一 岩切
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP30672792A priority Critical patent/JP3463305B2/en
Publication of JPH06154472A publication Critical patent/JPH06154472A/en
Application granted granted Critical
Publication of JP3463305B2 publication Critical patent/JP3463305B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

PURPOSE:To provide a drum type washing machine which can suppress the amplitude of vibration at starting of the centrifugal motion using a simple configuration. CONSTITUTION:A damper to suppress vibration of a water tub consists of a cylinder 37 and a piston 38, wherein the piston 38 is composed of a sliding part 39 to slide within the cylinder 37, a rod 40 to slide relative to the sliding part 39 within the range of specified stroke, and a flange 41 which is furnished on the rod 40 and contacts the sliding part 39, and on at least either of the colliding surfaces of these sliding part 39 and flange 41, a buffer member 42 is furnished whose section area increases gradually.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は一般家庭で用いられてい
るドラム式洗濯機に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum type washing machine used in general households.

【0002】[0002]

【従来の技術】従来のドラム式洗濯機は図4、図5に示
すような構成であった。すなわち、本体1と、この本体
1内にサスペンション2によって支持された水槽3と、
前面を開口し後面に回転軸4を備え側面に通水孔5を設
けて水槽3内に装備したドラム6とよりなる。前記回転
軸4は水槽3の後面に設けられた軸受け7によって支持
されている。また回転軸4端部には洗濯モータ8とベル
ト9によって連動したプーリ10が取り付けられてい
る。また前記水槽3前面には本体1との間に水密性を保
持するベローズ11を備え、テーパ状の蓋12と嵌合す
るようになっている。そして水槽3と本体1との間には
シリンダー13と、摺動部14及びロッド15からなる
ピストン16とで構成されたダンパー17が取り付けて
ある。
2. Description of the Related Art A conventional drum type washing machine has a structure as shown in FIGS. That is, the main body 1 and the water tank 3 supported by the suspension 2 in the main body 1,
The drum 6 is provided in the water tank 3 with the front surface opened, the rear surface provided with the rotating shaft 4, and the side surface provided with water passage holes 5. The rotating shaft 4 is supported by a bearing 7 provided on the rear surface of the water tank 3. Further, a pulley 10 which is interlocked with a washing motor 8 and a belt 9 is attached to the end of the rotary shaft 4. Further, a bellows 11 for maintaining watertightness with the main body 1 is provided on the front surface of the water tank 3, and is fitted with a tapered lid 12. A damper 17 including a cylinder 13 and a piston 16 including a sliding portion 14 and a rod 15 is attached between the water tank 3 and the main body 1.

【0003】[0003]

【発明が解決しようとする課題】このような構成におい
て、洗濯、すすぎを終えて脱水を行おうとするとき、衣
類がドラム6の下部に偏った状態でドラム6を回転させ
る。このとき衣類による偏心荷重のため水槽3が起動時
に大きく振動する。特に150〜300r/minの共
振点において水槽3が前後、左右、上下に激しく揺れ家
屋の振動や騒音の原因にもなっていた。さらにここで水
槽3の振動を抑えるためダンパー17は高いダンパー力
に設定されているが、この状態でドラム6が高速回転に
入ると水槽3の振動はロッド15を介し設置床に直接伝
わり、床を大きく振動させ騒音や家屋の振動を引き起こ
していた。
In such a structure, when washing and rinsing are finished and dehydration is performed, the drum 6 is rotated while the clothes are biased to the lower portion of the drum 6. At this time, the water tank 3 vibrates greatly at the time of startup due to the eccentric load due to the clothes. Particularly, at the resonance point of 150 to 300 r / min, the aquarium 3 vibrates back and forth, left and right, and up and down, causing vibration and noise in the house. Further, in order to suppress the vibration of the water tank 3, the damper 17 is set to a high damper force, but when the drum 6 starts to rotate at high speed in this state, the vibration of the water tank 3 is directly transmitted to the installation floor via the rod 15, It vibrated a lot and caused noise and vibration of the house.

【0004】本発明は上記課題を解決するものであり、
起動時に高いダンパー力が得られ効果的に振動を抑え、
かつダンパー自身の騒音をなくしたドラム式洗濯機を提
供することを第一の目的とする。
The present invention is intended to solve the above problems,
A high damper force is obtained at startup, effectively suppressing vibration,
A first object of the present invention is to provide a drum type washing machine that eliminates the noise of the damper itself.

【0005】また起動時の水槽の本体への衝突を抑え、
定常回転時にはダンパー力を発生せず、設置床の振動の
ないドラム式洗濯機を提供することを第二の目的とす
る。
Also, the collision of the water tank with the main body at the time of starting is suppressed,
A second object is to provide a drum type washing machine that does not generate a damper force during steady rotation and does not vibrate on the installation floor.

【0006】[0006]

【課題を解決するための手段】上記の第1の目的を達成
するため本発明のドラム式洗濯機は、本体と、本体内に
サスペンションによって支持された水槽と、水槽内に装
備したドラムと、前記水槽と本体との間に設けて水槽の
振動を抑えるダンパーとを備え、このダンパーはシリン
ダーとピストンとからなり、このピストンはシリンダー
内を摺動する摺動部と、この摺動部に対して所定のスト
ロークの範囲で摺動するロッドとを有し、このロッドの
所定のストロークの範囲を越えて摺動するときに摺動部
と当接する部分の少なくとも一方に断面積が徐々に大き
くなる緩衝材を取り付けたドラム式洗濯機とするもので
ある。
In order to achieve the above first object, a drum type washing machine of the present invention comprises a main body, a water tank supported by a suspension in the main body, and a drum equipped in the water tank. A damper provided between the water tank and the main body for suppressing vibration of the water tank is provided, and the damper is composed of a cylinder and a piston, and the piston is a sliding portion that slides in the cylinder and a sliding portion with respect to the sliding portion. And a rod that slides within a predetermined stroke range, and the cross-sectional area gradually increases in at least one of the portions that come into contact with the sliding portion when sliding beyond the predetermined stroke range of this rod. The drum type washing machine is equipped with a cushioning material.

【0007】さらに第二の目的を達成するため本発明の
ドラム式洗濯機は、本体と、本体内にサスペンションに
よって支持された水槽と、水槽内に装備したドラムと、
前記水槽と本体との間に設けて水槽の振動を抑えるダン
パーとを備え、このダンパーはシリンダーとピストンと
からなり、このピストンはシリンダー内を摺動する摺動
部と、この摺動部に対して所定のストロークの範囲で摺
動するロッドとを有し、この摺動部とロッドのストロー
クを脱水定常回転時の水槽の振幅より大きくしたドラム
式洗濯機とするものである。
In order to achieve the second object, the drum type washing machine of the present invention comprises a main body, a water tank supported by a suspension in the main body, and a drum provided in the water tank.
A damper provided between the water tank and the main body for suppressing vibration of the water tank is provided, and the damper is composed of a cylinder and a piston, and the piston is a sliding portion that slides in the cylinder and a sliding portion with respect to the sliding portion. And a rod that slides in a predetermined stroke range, and the stroke of the sliding portion and the rod is set to be larger than the amplitude of the water tub at the time of steady spin rotation.

【0008】[0008]

【作用】上記構成により本発明のドラム式洗濯機は、洗
濯、すすぎを終えて脱水を行おうとするとき、衣類が前
記ドラムの下部に偏った状態でドラムを回転させことに
なる。このとき衣類による偏心荷重のため水槽が起動時
に大きく振動し、ピストンの摺動部にロッドがフリーな
ストロークを越えて衝突する。このとき、摺動部とロッ
ドとの間に徐々に断面積が大きくなる緩衝材を取り付け
たことによって、衝突による衝撃を徐々に緩衝し衝突音
を防ぐ。さらにドラムが高速回転に入ると水槽の振動は
脱水とともに徐々に小さくなる。これによってピストン
は静止し摺動部の摩擦力によるダンパー力は発生せず、
振動が設置床に直接伝わり、床を大きく振動させ騒音や
家屋の振動を引き起こすことがなくなる。
With the above construction, in the drum type washing machine of the present invention, when the washing and rinsing are finished and the dehydration is performed, the drum is rotated while the clothes are biased to the lower part of the drum. At this time, the water tank vibrates greatly at the time of startup due to the eccentric load due to the clothes, and the rod collides with the sliding portion of the piston beyond the free stroke. At this time, a shock absorbing material having a gradually increasing cross-sectional area is attached between the sliding portion and the rod, so that the shock due to the collision is gradually buffered and the collision noise is prevented. Further, when the drum starts to rotate at high speed, the vibration of the water tank gradually becomes smaller with the dehydration. As a result, the piston stands still and the damper force due to the frictional force of the sliding part is not generated,
Vibrations are not directly transmitted to the installation floor, causing large vibrations on the floor and no noise or house vibration.

【0009】さらに本発明のドラム式洗濯機は、洗濯、
すすぎを終えて脱水を行おうとするとき、衣類が前記ド
ラムの下部に偏った状態でドラムを回転させることにな
る。このとき衣類による偏心荷重のため水槽が起動時に
大きく振動するが、ピストンの摺動部をロッドがフリー
なストロークを越えて動かし、ダンパーが作用する。さ
らにドラムが高速回転に入ると水槽の振動は脱水ととも
に徐々に小さくなり、定常回転時には摺動部とロッドと
のフリーなストローク内で振動するようになる。これに
よってピストンは静止し摺動部の摩擦力によるダンパー
力は発生せず、振動が設置床に直接伝わり、床を大きく
振動させ騒音や家屋の振動を引き起こすことがなくな
る。
Further, the drum type washing machine of the present invention is
When rinsing is finished and dehydration is attempted, the drum is rotated with the clothes biased to the lower part of the drum. At this time, the water tank vibrates greatly at the time of startup due to the eccentric load due to the clothes, but the rod moves the sliding portion of the piston beyond the free stroke, and the damper acts. Further, when the drum enters the high speed rotation, the vibration of the water tank gradually becomes smaller with the dehydration, and at the time of steady rotation, it vibrates within the free stroke between the sliding portion and the rod. As a result, the piston is stationary and the damper force due to the frictional force of the sliding portion is not generated, and the vibration is directly transmitted to the installation floor, which greatly vibrates the floor and does not cause noise or vibration of the house.

【0010】[0010]

【実施例】以下、本発明の一実施例を図面に基づいて説
明する。図1、図2において、18は本体19に複数の
サスペンション20によって、半拘束的に吊り下げられ
た水槽であり、内部に回転軸21によって軸支され、適
宜側面に通水孔22を設け前面に開口部23を設けたド
ラム24を有している。また前記水槽18には軸受25
を介して、ドラムプーリ26が取り付けられており、こ
のドラムプーリ26と、洗濯モータ27のシャフト28
に取り付けられたモータプーリ29との間にはベルト3
0が張り渡してある。31は前記ドラム24の開口部2
3を開閉する外蓋であり、一端を水槽18、他端を本体
19に固定したベローズ33にテーパ状のシール部34
が当接している。35は設置脚である。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 and 2, reference numeral 18 denotes a water tank suspended in a main body 19 by a plurality of suspensions 20 in a semi-constrained manner. The water tank 18 is axially supported by a rotary shaft 21 and has water passage holes 22 on appropriate side surfaces. It has a drum 24 provided with an opening 23. Further, the water tank 18 has a bearing 25.
A drum pulley 26 is attached via the drum pulley 26 and the shaft 28 of the washing motor 27.
The belt 3 between the motor pulley 29 attached to the
0 is spread. 31 is the opening 2 of the drum 24
3 is an outer lid that opens and closes 3, and has a bellows 33 fixed to the water tank 18 at one end and to the main body 19 at the other end and a taper seal portion 34.
Are in contact. Reference numeral 35 is an installation leg.

【0011】さらに前記水槽18の側面下部と本体19
内との間にはダンパー36が取り付けられ、このダンパ
ー36はシリンダー37とピストン38とからなり、こ
のピストン38は、シリンダー37内を密に摺動し摩擦
力を発生させる摺動部39と、この摺動部39と一定の
ストロークsの範囲だけ自由に摺動するように挿通した
ロッド42とから構成されている。ロッド42は摺動部
39を挟んでその前後に緩衝材40とフランジ41を設
けて摺動部39に当接するようにし一定のストロークs
だけ自由に摺動するようにしている。前記緩衝材40
は、図に示すように摺動方向に徐々に断面積が大きくな
るように構成していることによって、衝突による衝撃を
徐々に緩衝し衝突音を防ぐものである。また緩衝材40
は、摺動部39を挟んでその前後に設けることが好まし
いが、片方だけであってもよく、さらにその取り付け方
法は特に限定されるものではない。
Further, the lower side surface of the water tank 18 and the main body 19
A damper 36 is mounted between the inside and the inside of the damper 36. The damper 36 includes a cylinder 37 and a piston 38. The piston 38 slides closely in the cylinder 37 to generate a friction force, and a sliding portion 39. It is composed of the sliding portion 39 and a rod 42 inserted so as to freely slide within a range of a constant stroke s. The rod 42 is provided with a cushioning material 40 and a flange 41 in front of and behind the sliding portion 39 so that the rod 42 abuts on the sliding portion 39.
It only slides freely. The cushioning material 40
Is configured to gradually increase the cross-sectional area in the sliding direction as shown in the figure, thereby gradually absorbing the shock caused by the collision and preventing the collision noise. Also, cushioning material 40
Is preferably provided in front of and behind the sliding portion 39, but only one of them may be provided, and the mounting method is not particularly limited.

【0012】以上の構成における動作を説明する。洗
濯、すすぎを終えて脱水を行おうとするとき、衣類がド
ラム24の下部に偏った状態でドラム24を回転させ
る。このとき衣類による偏心荷重のため水槽18が起動
時に大きく振動し、摺動部39にロッド42のフランジ
41が緩衝材40を介して当接する。このときはフリー
なストロークsを越えているものである。このとき摺動
部39とロッド42との間に摺動方向に徐々に断面積が
大きくなる緩衝材40を取り付けた構成としたことによ
って、衝突による衝撃を徐々に緩衝し衝突音を防いでい
る。さらにドラム24が高速回転に入ると水槽18の振
動は脱水とともに徐々に小さくなり、定常回転時には摺
動部39とロッド42とのフリーなストロークs内で振
動するようになる。これによってピストン38は静止し
摺動部39の摩擦力によるダンパー力は発生せず、振動
が設置床に直接伝わり、床を大きく振動させ騒音や家屋
の振動を引き起こすことがなくなる。
The operation of the above configuration will be described. When the clothes are to be washed and rinsed and then dehydrated, the drum 24 is rotated with the clothes biased to the lower part of the drum 24. At this time, the water tank 18 vibrates greatly at the time of startup due to the eccentric load of the clothes, and the flange 41 of the rod 42 abuts on the sliding portion 39 via the cushioning material 40. At this time, the free stroke s is exceeded. At this time, a cushioning material 40 having a gradually increasing cross-sectional area in the sliding direction is attached between the sliding portion 39 and the rod 42 to gradually cushion the impact due to the collision and prevent the collision noise. . Further, when the drum 24 starts to rotate at high speed, the vibration of the water tank 18 gradually decreases as the water is dehydrated, and at the time of steady rotation, it vibrates within the free stroke s between the sliding portion 39 and the rod 42. As a result, the piston 38 is stationary and no damper force due to the frictional force of the sliding portion 39 is generated, and the vibration is directly transmitted to the installation floor, which greatly vibrates the floor and does not cause noise or vibration of the house.

【0013】次に本発明の他の実施例を図3に基づいて
説明する。この実施例においてドラム式洗濯機の全体構
成は図1と同様であるので説明を省略し、以下、相違点
を中心に説明する。ダンパー36はシリンダー43とピ
ストン46とから成っている。ピストン46は、シリン
ダー43内を密に摺動し摩擦力を発生させる摺動部44
と、この摺動部44に対し所定のストロークs=5.5
mmの範囲だけ遊び代を設けたロッド45から構成さ
れ、ロッド45は摺動部44を挟んでその前後に緩衝材
40とフランジ41を設けて一定のストロークsだけ自
由に摺動するように構成している。なお、ストロークs
=5.5mmは本体19と水槽18の間隔よりも小さ
く、かつ脱水定常回転時の水槽18の振幅よりも大きい
ものである。
Next, another embodiment of the present invention will be described with reference to FIG. In this embodiment, the overall structure of the drum type washing machine is the same as that shown in FIG. 1, and therefore its explanation is omitted, and the difference will be mainly described below. The damper 36 is composed of a cylinder 43 and a piston 46. The piston 46 is a sliding portion 44 that closely slides in the cylinder 43 to generate a frictional force.
And a predetermined stroke s = 5.5 for this sliding portion 44.
The rod 45 is provided with a play allowance only in the range of mm, and the rod 45 is provided with a cushioning material 40 and a flange 41 in front of and behind the sliding portion 44 so as to freely slide for a certain stroke s. is doing. The stroke s
= 5.5 mm is smaller than the distance between the main body 19 and the water tank 18, and is larger than the amplitude of the water tank 18 at the time of steady rotation of dehydration.

【0014】以上の構成における動作を説明する。洗
濯、すすぎを終えて脱水を行おうとするとき、衣類が前
記ドラム24の下部に偏った状態でドラム24を回転さ
せることになる。このとき衣類による偏心荷重のため水
槽18が起動時に大きく振動し、ピストン46にロッド
45のフランジ41が所定のストロークsを越えて衝突
する。さらにドラム24が高速回転に入ると水槽18の
振動は脱水とともに徐々に小さくなり、脱水所定回転時
には、衣類の状態にかかわらず水槽18の振幅すなわち
ダンパー36の振幅は約5mm以下となることが実験で
確認されている。よって所定のストロークsを5mmよ
り大きくすることによって、脱水所定回転時にはピスト
ン46は所定のストロークすなわち遊び代内で振動する
ようになる。これによってピストン46は静止し摺動部
44の摩擦力によるダンパー力は発生せず、振動が設置
床に直接伝わり、床を大きく振動させ騒音や家屋の振動
を引き起こすことがなくなる。また所定のストロークs
は脱水定常回転時の水槽振幅を僅かに越えるものとし必
要最少限度としているため、脱水起動時の共振の際の水
槽振幅を最小限とすることができる。
The operation of the above configuration will be described. When washing and rinsing are finished and dehydration is performed, the drum 24 is rotated while the clothes are biased to the lower portion of the drum 24. At this time, the water tank 18 vibrates greatly at the time of startup due to the eccentric load of the clothes, and the flange 41 of the rod 45 collides with the piston 46 beyond a predetermined stroke s. Further, when the drum 24 starts to rotate at high speed, the vibration of the water tank 18 gradually decreases as the water spins up. At a predetermined spin of the water, the amplitude of the water tank 18, that is, the amplitude of the damper 36 becomes about 5 mm or less regardless of the condition of the clothes. Has been confirmed in. Therefore, when the predetermined stroke s is made larger than 5 mm, the piston 46 vibrates within the predetermined stroke, that is, the play allowance at the time of the predetermined dehydration rotation. As a result, the piston 46 is stationary, a damper force due to the frictional force of the sliding portion 44 is not generated, and the vibration is directly transmitted to the installation floor, which greatly vibrates the floor and does not cause noise or vibration of the house. Also, the predetermined stroke s
Since the water tank amplitude at the time of steady spin rotation is slightly exceeded and the minimum limit is set, the water tank amplitude at resonance at the time of dehydration start can be minimized.

【0015】[0015]

【発明の効果】上記実施例に示しているように本発明の
ドラム式洗濯機は、洗濯、すすぎを終えて脱水を行おう
とするとき、衣類がドラムの下部に偏った状態でドラム
を回転させることになり、衣類による偏心荷重のため水
槽が起動時に大きく振動するが、摺動部とロッドとの間
に摺動方向に徐々に断面積が大きくなる緩衝材を取り付
け衝突による騒音のない信頼性の高いダンパー作用が得
られる。さらにドラムが高速回転に入ると水槽の振動は
脱水とともに徐々に小さくなる。これによってピストン
は静止し摺動部の摩擦力によるダンパー力は発生せず、
振動が設置床に直接伝わり、床を大きく振動させ騒音や
家屋の振動を引き起こすことがなくなる。
As shown in the above embodiments, in the drum type washing machine of the present invention, when washing and rinsing are completed and dehydration is attempted, the drum is rotated with the clothes biased to the lower part of the drum. Therefore, the water tank vibrates greatly at startup due to the eccentric load caused by clothes, but a cushioning material with a gradually increasing cross-sectional area in the sliding direction is installed between the sliding part and the rod. High damper effect is obtained. Further, when the drum starts to rotate at high speed, the vibration of the water tank gradually becomes smaller with the dehydration. As a result, the piston stands still and the damper force due to the frictional force of the sliding part is not generated,
Vibrations are not directly transmitted to the installation floor, causing large vibrations on the floor and no noise or house vibration.

【0016】さらに本発明のドラム式洗濯機は、洗濯、
すすぎを終えて脱水を行おうとするとき、衣類がドラム
の下部に偏った状態でドラムを回転させことになり、衣
類による偏心荷重のため水槽が起動時に大きく振動する
が、ピストンの摺動部をロッドがフリーなストロークを
越えて動き、ダンパーが作用するものである。そしてド
ラムが高速回転に入ると水槽の振動は脱水とともに徐々
に小さくなり、定常回転時には摺動部とロッドとのフリ
ーなストローク内で振動するようになる。これによって
ピストンは静止し摺動部の摩擦力によるダンパー力は発
生せず、振動が設置床に直接伝わり、床を大きく振動さ
せ騒音や家屋の振動を引き起こすことがなくなる。
Further, the drum type washing machine of the present invention is
When attempting to dehydrate after rinsing, the drum is rotated with the clothes biased to the lower part of the drum, and the eccentric load from the clothes causes the water tank to vibrate greatly at startup, but the sliding part of the piston The rod moves beyond the free stroke, and the damper acts. Then, when the drum enters the high speed rotation, the vibration of the water tank gradually decreases as the water is dehydrated, and at the time of steady rotation, it vibrates within the free stroke between the sliding portion and the rod. As a result, the piston is stationary and the damper force due to the frictional force of the sliding portion is not generated, and the vibration is directly transmitted to the installation floor, which greatly vibrates the floor and does not cause noise or vibration of the house.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例を示すドラム式洗濯機の縦断
面図
FIG. 1 is a vertical sectional view of a drum type washing machine showing an embodiment of the present invention.

【図2】同ドラム式洗濯機のダンパーを示す縦断面図FIG. 2 is a vertical sectional view showing a damper of the drum type washing machine.

【図3】本発明の他の実施例におけるドラム式洗濯機の
ダンパーを示す縦断面図
FIG. 3 is a vertical sectional view showing a damper of a drum type washing machine according to another embodiment of the present invention.

【図4】従来例におけるドラム式洗濯機の縦断面図FIG. 4 is a vertical cross-sectional view of a conventional drum type washing machine.

【図5】同ドラム式洗濯機のダンパーを示す縦断面図FIG. 5 is a vertical sectional view showing a damper of the drum type washing machine.

【符号の説明】[Explanation of symbols]

18 水槽 19 本体 20 サスペンション 24 ドラム 36 ダンパー 37 シリンダー 38 ピストン 39 摺動部 40 緩衝材 41 ロッド 18 Water Tank 19 Main Body 20 Suspension 24 Drum 36 Damper 37 Cylinder 38 Piston 39 Sliding Part 40 Cushioning Material 41 Rod

───────────────────────────────────────────────────── フロントページの続き (72)発明者 岩切 俊一 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shunichi Iwakiri 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 本体と、本体内にサスペンションによっ
て支持された水槽と、水槽内に装備したドラムと、前記
水槽と本体との間に設けて水槽の振動を抑えるダンパー
とを備え、このダンパーはシリンダーとピストンとから
なり、このピストンはシリンダー内を摺動する摺動部
と、この摺動部に対して所定のストロークの範囲で摺動
するロッドとを有し、このロッドの所定のストロークの
範囲を越えて摺動するときに摺動部と当接する部分の少
なくとも一方に断面積が徐々に大きくなる緩衝材を取り
付けたドラム式洗濯機。
1. A main body, a water tank supported by a suspension in the main body, a drum provided in the water tank, and a damper provided between the water tank and the main body to suppress vibration of the water tank. It consists of a cylinder and a piston, and this piston has a sliding part that slides in the cylinder and a rod that slides in a predetermined stroke range with respect to this sliding part. A drum-type washing machine in which a cushioning material whose cross-sectional area gradually increases is attached to at least one of the portions that come into contact with the sliding portion when sliding beyond the range.
【請求項2】 本体と、本体内にサスペンションによっ
て支持された水槽と、水槽内に装備したドラムと、前記
水槽と本体との間に設けて水槽の振動を抑えるダンパー
とを備え、このダンパーはシリンダーとピストンとから
なり、このピストンはシリンダー内を摺動する摺動部
と、この摺動部に対して所定のストロークの範囲で摺動
するロッドとを有し、この摺動部とロッドのストローク
を脱水定常回転時の水槽の振幅より大きくしたドラム式
洗濯機。
2. A main body, a water tank supported by a suspension in the main body, a drum equipped in the water tank, and a damper provided between the water tank and the main body to suppress vibration of the water tank, the damper comprising: It consists of a cylinder and a piston, and this piston has a sliding part that slides in the cylinder and a rod that slides in a predetermined stroke range with respect to this sliding part. A drum-type washing machine whose stroke is larger than the amplitude of the water tank during steady spinning.
JP30672792A 1992-11-17 1992-11-17 Drum type washing machine Expired - Fee Related JP3463305B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30672792A JP3463305B2 (en) 1992-11-17 1992-11-17 Drum type washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30672792A JP3463305B2 (en) 1992-11-17 1992-11-17 Drum type washing machine

Publications (2)

Publication Number Publication Date
JPH06154472A true JPH06154472A (en) 1994-06-03
JP3463305B2 JP3463305B2 (en) 2003-11-05

Family

ID=17960575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30672792A Expired - Fee Related JP3463305B2 (en) 1992-11-17 1992-11-17 Drum type washing machine

Country Status (1)

Country Link
JP (1) JP3463305B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009213917A (en) * 2009-06-29 2009-09-24 Hitachi Ltd Drum washing machine
JP2016137092A (en) * 2015-01-28 2016-08-04 日立アプライアンス株式会社 Washing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009213917A (en) * 2009-06-29 2009-09-24 Hitachi Ltd Drum washing machine
JP2016137092A (en) * 2015-01-28 2016-08-04 日立アプライアンス株式会社 Washing machine

Also Published As

Publication number Publication date
JP3463305B2 (en) 2003-11-05

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