JPH0919594A - Centrifugal dehydrating/washing machine - Google Patents
Centrifugal dehydrating/washing machineInfo
- Publication number
- JPH0919594A JPH0919594A JP7170655A JP17065595A JPH0919594A JP H0919594 A JPH0919594 A JP H0919594A JP 7170655 A JP7170655 A JP 7170655A JP 17065595 A JP17065595 A JP 17065595A JP H0919594 A JPH0919594 A JP H0919594A
- Authority
- JP
- Japan
- Prior art keywords
- flange
- nut
- washing
- tub
- fixed
- 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.)
- Pending
Links
Landscapes
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は遠心脱水洗濯機に関す
る。FIELD OF THE INVENTION The present invention relates to a centrifugal dewatering washing machine.
【0002】[0002]
【従来の技術】従来の洗濯兼脱水槽は、外槽下部の支持
金具に固定されたクラッチの外周部にねじを切った中空
軸に、四角形で真中抜いたワッシャを通し、洗濯兼脱水
槽の底部にボルトで固定された支持金具フランジ中央の
孔部を通し、中空軸を通すフランジ中央の孔部と中空軸
との周方向の隙間をなくし洗濯兼脱水槽の回転時の振れ
を少なくするためのワッシャ、および緩み止めのため円
形で中央部を抜いた板ばねを順に通して、クラッチの中
空軸ねじ部にナットを取り付け、ナットの回転による推
進力でクラッチの中空軸に通した多数の部品を上下方向
の締め付けにより固定していた。2. Description of the Related Art A conventional washing / dehydrating tub has a hollow shaft threaded on the outer periphery of a clutch fixed to a support fitting at the lower part of an outer tub, and a washer having a square shape is inserted through the hollow shaft. Passing through the hole in the center of the flange of the support fitting that is fixed to the bottom with bolts, to eliminate the circumferential gap between the hole in the center of the flange and the hollow shaft through which the hollow shaft passes, to reduce run-out during rotation of the washing and dehydration tub. Washer, and a circular leaf spring with a central part removed to prevent loosening, and a nut is attached to the threaded part of the hollow shaft of the clutch. A large number of parts are passed through the hollow shaft of the clutch by the propulsive force generated by the rotation of the nut. Was fixed by tightening vertically.
【0003】[0003]
【発明が解決しようとする課題】上記従来方式では、洗
濯兼脱水槽の底部に固定されたフランジと締め付けるナ
ットの間にワッシャと板ばねが仲介物として入り、ナッ
トの回転による締め付けにおいて、部品間にロスが生じ
るため、緩みの原因となっていた。また、板ばねは、振
れを少なくするためのワッシャの面全体でなく部分的に
しか圧迫できず、ナットの締付力を増大させていた。In the above conventional method, a washer and a leaf spring are inserted as an intermediary between the flange fixed to the bottom of the washing / dehydrating tub and the nut to be tightened. It causes looseness because it causes a loss. Further, the leaf spring can be pressed only partially rather than the entire surface of the washer for reducing the runout, increasing the tightening force of the nut.
【0004】本発明の目的はフランジと締め付けるナッ
トの間の仲介物をなくし、かつナットの回転による推進
力を面圧としてフランジを締め付け、緩みなく固定する
ことにある。An object of the present invention is to eliminate an intermediary between the flange and the nut to be tightened, and to tighten the flange with the propulsive force due to the rotation of the nut as a surface pressure to fix the flange without loosening.
【0005】[0005]
【課題を解決するための手段】回転による推進力を均一
な面圧とするために、ナットのフランジの上面と接する
部分に円形上の鍔部を設け、さらにその下部にフランジ
の中央部の孔部とクラッチの中空軸との周方向の隙間を
少なくするための中空の円筒部を備えたナットだけでフ
ランジを締め付け固定する。[Means for Solving the Problems] In order to make a propulsive force by rotation a uniform surface pressure, a circular collar portion is provided in a portion of the nut in contact with the upper surface of the flange, and a hole in the central portion of the flange is further provided below the collar portion. The flange is tightened and fixed only by a nut having a hollow cylindrical portion for reducing the circumferential gap between the shaft portion and the hollow shaft of the clutch.
【0006】[0006]
【作用】ナットの円形上の鍔部は、フランジの孔部の上
面を、ねじの回転による推進力を均一な面圧で支持す
る。また、下部の中空の円筒部は、フランジの孔部とク
ラッチの中空軸との周方向の組み立て易くするための隙
間をなくし、脱水時の洗濯兼脱水槽の高速回転の振れを
少なくすることができる。ナットの1部品だけでフラン
ジを締め付けることで、仲介する部品の締付ロスをなく
し、必要最小限の締め付けトルクで洗濯兼脱水槽を固定
できる。The circular flange of the nut supports the upper surface of the hole of the flange with a uniform surface pressure of the propulsive force generated by the rotation of the screw. Further, the lower hollow cylindrical portion eliminates a gap for facilitating the circumferential assembly of the hole of the flange and the hollow shaft of the clutch, and can reduce the swing of the washing and dewatering tub at high speed during dewatering. it can. By tightening the flange with only one part of the nut, it is possible to eliminate the tightening loss of the intermediary part and fix the washing and dehydration tub with the minimum necessary tightening torque.
【0007】[0007]
【実施例】本発明の実施例を図面に基づいて説明する。
図1において、鋼板製でかつ箱形の外枠1内には、吊り
棒2および防振ばね3によって合成樹脂製の外槽4を防
振支持する。外槽4の側壁には、吊り棒2および防振ば
ね3を取り付けるリブ4aを形成する。外槽4内には、
横断面形状がほぼ円形の洗濯兼脱水槽5を設ける。洗濯
兼脱水槽5内の側壁には、多数の脱水孔5aを設ける。
洗濯兼脱水槽5の内底中央には、後述する大形の回転翼
7を装着する凹部5cを形成する。外槽4の上端には、
外槽4と洗濯兼脱水槽5との間に洗濯物が落下するのを
防止するために、合成樹脂製の槽カバー8を固定する。
外槽4の外底部には、排水装置9と、回転翼7および洗
濯兼脱水槽5を回転させるための駆動装置10とを、鋼
板製の支持金具11を介して取り付ける。支持金具11
は、図2に示すようにほぼ箱形になっており、ねじ等に
よって外槽4の外底部に固定する。排水装置9は、外槽
4の内底部に連結した排水弁12と、この排水弁に連結
した排水ホース13とを備えている。排水弁12の開閉
は、小形周期モータ12aによって作動するレバー12
bにより行われる。排水弁12は、図2に示すように、
ねじ12cによって支持金具11に取り付ける。排水ホ
ース13は、外枠1の側壁下部あるいは、PPベース3
01に設けた孔14を通して外枠1外に延在させる。An embodiment of the present invention will be described with reference to the drawings.
In FIG. 1, an outer tub 4 made of a synthetic resin is vibration-supported by a suspension rod 2 and a vibration-proof spring 3 inside a box-shaped outer frame 1 made of a steel plate. On the side wall of the outer tub 4, a rib 4a for attaching the suspension rod 2 and the vibration-proof spring 3 is formed. In the outer tank 4,
A washing / dehydrating tub 5 having a substantially circular cross section is provided. A number of dewatering holes 5a are provided in the side wall in the washing and dewatering tub 5.
At the center of the inner bottom of the washing and dewatering tub 5, a concave portion 5c for mounting a large-sized rotating blade 7 described later is formed. At the top of the outer tub 4,
In order to prevent the laundry from falling between the outer tub 4 and the washing / dehydrating tub 5, a tub cover 8 made of synthetic resin is fixed.
At the outer bottom of the outer tub 4, a drainage device 9 and a driving device 10 for rotating the rotary wing 7 and the washing and dewatering tub 5 are attached via a steel plate support 11. Support bracket 11
2 has a substantially box shape as shown in FIG. 2, and is fixed to the outer bottom portion of the outer tub 4 with a screw or the like. The drainage device 9 includes a drainage valve 12 connected to the inner bottom of the outer tub 4 and a drainage hose 13 connected to the drainage valve. The drain valve 12 is opened and closed by a lever 12 operated by a small cycle motor 12a.
b. The drain valve 12 is, as shown in FIG.
It attaches to the support metal fitting 11 with the screw 12c. The drain hose 13 may be the lower side wall of the outer frame 1 or the PP base 3
01 is extended to the outside of the outer frame 1.
【0008】駆動装置10は、図1に示すように、洗濯
機用モータ15と、クラッチ機構16と、洗濯機用モー
タ15の回転をクラッチ機構16に伝える伝達機構17
と、洗濯兼脱水槽5の回転を止めるブレーキ装置18
と、洗濯機用モータ15の回転を減速して回転翼7に伝
える減速機構19とを備えている。洗濯機用モータ15
は、図2に示すように、ねじ15aによって支持金具1
1に固定する。As shown in FIG. 1, the drive unit 10 includes a washing machine motor 15, a clutch mechanism 16, and a transmission mechanism 17 for transmitting the rotation of the washing machine motor 15 to the clutch mechanism 16.
And a brake device 18 for stopping the rotation of the washing and dewatering tub 5
And a speed reduction mechanism 19 that reduces the speed of rotation of the washing machine motor 15 and transmits the rotation to the rotor 7. Motor 15 for washing machine
As shown in FIG. 2, the support bracket 1 is
Fixed to 1.
【0009】伝達機構17は、図2に示すように、洗濯
機用モータ15の回転軸に固定した第1プーリ17a
と、クラッチ機構16の下方に配置した第2プーリ17
bと、第1プーリ17aおよび第2プーリ17bに巻き
付けたベルト17cとを備えている。As shown in FIG. 2, the transmission mechanism 17 includes a first pulley 17a fixed to the rotating shaft of the washing machine motor 15.
And a second pulley 17 arranged below the clutch mechanism 16.
b, and a belt 17c wound around the first pulley 17a and the second pulley 17b.
【0010】従来の洗濯兼脱水槽5の固定は、図2,図
3に示すように、外槽下部の支持金具11に固定された
クラッチの外周部にねじを切った中空軸16aに、四角
形で真中を抜いたワッシャ30を通し、洗濯兼脱水槽5
の底部にボルト31で固定された支持金具フランジ32
中央の孔部を通し、中空軸16aを通すフランジ中央の
孔部32aと中空軸16aとの周方向の隙間をなくし洗
濯兼脱水槽の回転時の振れを少なくするためのワッシャ
40、および緩み止めのため円形で中央部を抜いた板ば
ね41を順に通して、クラッチの中空軸16aのねじ部
にナット42を取り付け、ナットの回転による推進力で
クラッチの中空軸に通したワッシャ40,板ばね41の
部品を上下方向の締め付けにより固定していた。As shown in FIGS. 2 and 3, the conventional washing / dehydrating tub 5 is fixed to the hollow shaft 16a, which is threaded on the outer periphery of the clutch fixed to the support fitting 11 at the lower part of the outer tub, and is square. Through the washer 30 with the center removed to wash and dehydrate the tank 5
Support bracket flange 32 fixed with bolts 31 to the bottom of the
A washer 40 for preventing a runout during rotation of the washing / dehydrating tub by eliminating a circumferential gap between the hollow shaft 32a and the hole 32a at the center of the flange through which the hollow shaft 16a passes through the central hole, and a loosening preventer. Therefore, a circular leaf spring 41 having a central portion is passed through in order, a nut 42 is attached to the threaded portion of the hollow shaft 16a of the clutch, and the washer 40 and the leaf spring passed through the hollow shaft of the clutch by the driving force of the rotation of the nut. 41 parts were fixed by tightening in the vertical direction.
【0011】本発明の洗濯兼脱水槽5の固定は、図2,
図4,図5に示すように外槽下部の支持金具11に固定
されたクラッチ16の外周部にねじを切った中空軸16
aに、四角形で真中を抜いたワッシャ30を通し、洗濯
兼脱水槽5の底部にボルト31で固定された支持金具フ
ランジ32中央の孔部32aを通し、フランジ孔部の上
面と接する部分に円形上の鍔部33aを備え、さらにそ
の下部に中空の円筒部33bを備えた金属製のナット3
3をクラッチの中空軸16a外周部のねじ部分に取り付
け、ナット33の回転による推進力でフランジを上下方
向の締め付けにより固定する。ナット33の鍔部33a
は、ナットのねじ回転による推進力でフランジ32の上
面を均一な面圧で直接支持するため、仲介する部品の締
め付けロスをなくし、ナット33の緩みも少なくでき
る。また、中空の円筒部33b,クラッチ16の外周部
にねじを切った中空軸16aとフランジ32中央の孔部
32aの組み立て上の隙間をなくし、洗濯兼脱水槽5の
回転中心がクラッチの中空軸16aの回転中心と一致す
るように補正し、脱水時の洗濯兼脱水槽の高速回転の振
れを少なくする。Fixing of the washing and dehydrating tub 5 of the present invention is shown in FIG.
As shown in FIGS. 4 and 5, the hollow shaft 16 is formed by screwing the outer periphery of the clutch 16 fixed to the support fitting 11 at the lower part of the outer tub.
A washer 30 with a square shape is inserted through a, a hole 32a in the center of a support metal fitting flange 32 fixed by a bolt 31 is inserted into the bottom of the washing / dehydrating tub 5, and a circular shape is formed in a portion in contact with the upper surface of the flange hole. A metal nut 3 having an upper flange portion 33a and a hollow cylindrical portion 33b at a lower portion thereof.
3 is attached to the threaded portion of the outer peripheral portion of the hollow shaft 16a of the clutch, and the flange is fixed by tightening in the vertical direction by the propulsive force generated by the rotation of the nut 33. Collar 33a of nut 33
Since the upper surface of the flange 32 is directly supported with a uniform surface pressure by the propulsive force due to the screw rotation of the nut, it is possible to eliminate the tightening loss of the intervening component and reduce the looseness of the nut 33. In addition, the hollow cylindrical portion 33b, the hollow shaft 16a threaded on the outer periphery of the clutch 16 and the hole 32a at the center of the flange 32 are eliminated from the assembling gap, and the center of rotation of the washing / dehydrating tank 5 is the hollow shaft of the clutch. The correction is performed so that it coincides with the center of rotation of 16a to reduce the fluctuation of the high-speed rotation of the washing / dehydrating tub during dehydration.
【0012】[0012]
【発明の効果】本発明によれば、洗濯兼脱水槽の固定を
ナット一部品ででき、部品が重なり合うために生じる締
め付けのロスや部品の組み付け忘れによる緩みがなく、
部品点数も少なくなる。According to the present invention, the washing and dewatering tub can be fixed by a single nut, and there is no loss of tightening caused by overlapping parts or loosening due to forgetting to assemble the parts.
The number of parts is also reduced.
【図1】本発明の一実施例の洗濯機の縦断面図。FIG. 1 is a longitudinal sectional view of a washing machine according to one embodiment of the present invention.
【図2】本発明の一実施例の洗濯機の底部からの平面
図。FIG. 2 is a plan view from the bottom of the washing machine according to the embodiment of the present invention.
【図3】従来の洗濯兼脱水槽の固定部分の縦断面図。FIG. 3 is a vertical cross-sectional view of a fixed portion of a conventional washing / dehydrating tub.
【図4】本発明の一実施例の洗濯兼脱水槽の固定部分の
縦断面図。FIG. 4 is a vertical cross-sectional view of a fixed portion of a washing / dehydrating tub according to an embodiment of the present invention.
【図5】本発明のナットの平面図。FIG. 5 is a plan view of the nut of the present invention.
【図6】本発明のナットの縦断面図。FIG. 6 is a vertical cross-sectional view of the nut of the present invention.
5…洗濯兼脱水槽、16…クラッチ、16a…クラッチ
の中空軸、30,40…ワッシャ、32…フランジ、3
2a…フランジの孔部、33,42…ナット、33a…
ナットの鍔部、33b…ナットの中空円筒部、41…板
ばね。5 ... Washing / dehydrating tank, 16 ... Clutch, 16a ... Hollow shaft of clutch, 30, 40 ... Washer, 32 ... Flange, 3
2a ... hole of flange, 33, 42 ... nut, 33a ...
Collar portion of nut, 33b ... Hollow cylindrical portion of nut, 41 ... Leaf spring.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大杉 寛 茨城県日立市東多賀町一丁目1番1号 株 式会社日立製作所電化機器事業部多賀本部 内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroshi Osugi 1-1-1 Higashitaga-cho, Hitachi-shi, Ibaraki Hitachi Ltd. Electric Appliances Division, Taga Headquarters
Claims (1)
ンジを有する洗濯兼脱水槽と、前記洗濯兼脱水槽の内底
部で回転自在な回転翼と、前記洗濯兼脱水槽を回転自在
に内包する外槽と、前記外槽を外枠より防振支持する支
持装置と、前記外槽の下部に固定された支持金具ベース
と、前記支持金具ベースに固定された駆動装置よりな
り、前記洗濯兼脱水槽の固定が、前記駆動装置の外周部
分にねじ部を備えた回転軸に、金属製の平板のワッシャ
と前記フランジを通し、その上から前記フランジの合せ
面に円形の鍔部を備え、その下部にナットの締め付けに
よることを特徴とする遠心脱水洗濯機。1. A washing / dehydrating tub having a support fitting flange fixed by a bottom bolt, a rotary blade rotatable at the inner bottom of the washing / dehydrating tub, and an outer rotatably enclosing the washing / dehydrating tub. The washing / dehydrating tub comprises a tub, a support device for supporting the outer tub by vibration-proofing from an outer frame, a support fitting base fixed to a lower portion of the outer tub, and a drive device fixed to the support fitting base. Is fixed to a rotary shaft having a threaded portion on the outer peripheral portion of the drive device, a metal flat plate washer and the flange are passed through, and a circular collar portion is provided on the mating surface of the flange from above, and the lower portion thereof is provided. Centrifugal dewatering washing machine characterized by tightening nuts on.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7170655A JPH0919594A (en) | 1995-07-06 | 1995-07-06 | Centrifugal dehydrating/washing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7170655A JPH0919594A (en) | 1995-07-06 | 1995-07-06 | Centrifugal dehydrating/washing machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0919594A true JPH0919594A (en) | 1997-01-21 |
Family
ID=15908916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7170655A Pending JPH0919594A (en) | 1995-07-06 | 1995-07-06 | Centrifugal dehydrating/washing machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0919594A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100423980B1 (en) * | 2001-12-24 | 2004-03-22 | 삼성전자주식회사 | Washing Machine |
-
1995
- 1995-07-06 JP JP7170655A patent/JPH0919594A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100423980B1 (en) * | 2001-12-24 | 2004-03-22 | 삼성전자주식회사 | Washing Machine |
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