JP5730004B2 - Washing machine - Google Patents

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JP5730004B2
JP5730004B2 JP2010284937A JP2010284937A JP5730004B2 JP 5730004 B2 JP5730004 B2 JP 5730004B2 JP 2010284937 A JP2010284937 A JP 2010284937A JP 2010284937 A JP2010284937 A JP 2010284937A JP 5730004 B2 JP5730004 B2 JP 5730004B2
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housing
washing machine
reinforcing
plate
water tank
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JP2012130511A (en
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坂元 仁
仁 坂元
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Sharp Corp
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Description

本発明は側面の一部に洗濯物の挿入口を有し、内部に回転ドラムを収容してある筐体を備える洗濯機に関する。   The present invention relates to a washing machine including a housing having a laundry insertion opening in a part of a side surface and housing a rotating drum therein.

洗濯機は、水槽内の底部に攪拌翼を有し、筐体の上部に洗濯物の挿入口が設けられている翼式洗濯機と、鉛直に対してその軸心が傾斜する水槽内に回転ドラムが収容され、筐体の一側部に洗濯物の挿入口が設けられているドラム式洗濯機とが一般に知られている。   The washing machine has an agitating blade at the bottom of the aquarium and a wing-type washing machine with a laundry insertion port at the top of the housing, and a water tub whose axis is inclined with respect to the vertical. A drum type washing machine in which a drum is accommodated and a laundry insertion port is provided on one side of a housing is generally known.

ドラム式洗濯機は、筐体内にサスペンション部材により弾性的に支持される水槽と、該水槽内に回転を自在に収容支持される回転ドラムと、該回転ドラムを駆動するドラムモータとを備える。筐体は、挿入口が開設されている前板、後板及び2枚の側板を有する略直方体をなし、該筐体の下部に四角形をなす底台が取付けられ、筐体の上部に天蓋が取付けられている。また、筐体における2枚の側板の上縁に亘って補強板が跨設され、筐体における後側角部の上部にばね掛板が取付けられ、該ばね掛板に取付けられる吊ばねにて前記水槽の一部を吊下げるように構成されている。   The drum type washing machine includes a water tank elastically supported by a suspension member in a housing, a rotating drum that is rotatably accommodated and supported in the water tank, and a drum motor that drives the rotating drum. The case has a substantially rectangular parallelepiped shape having a front plate, a rear plate and two side plates where an insertion opening is established, and a rectangular base is attached to the lower part of the case, and a canopy is attached to the upper part of the case. Installed. In addition, a reinforcing plate is straddled across the upper edges of the two side plates in the housing, a spring hanging plate is attached to the upper part of the rear corner of the housing, and a suspension spring attached to the spring hanging plate A part of the water tank is suspended.

特開2001−212396号公報JP 2001-212396 A

ドラム式洗濯機は、筐体内にサスペンション部材により支持され、吊ばねにて吊下げられた水槽内で回転ドラムが回転することにより該回転ドラム内の洗濯物を洗濯するように構成されているため、回転ドラムの回転に伴う振動が水槽に伝達され、該水槽が前後方向、左右方向及び前後方向と交差する斜め方向に振動することになり、この水槽の振動が筐体に伝達され、該筐体が、前後方向、左右方向及び前後方向と交差する斜め方向に共振することになる。   The drum-type washing machine is configured to wash the laundry in the rotating drum by rotating the rotating drum in a water tank supported by a suspension member in the housing and suspended by a suspension spring. The vibration associated with the rotation of the rotating drum is transmitted to the water tank, and the water tank vibrates in the front-rear direction, the left-right direction, and the oblique direction intersecting the front-rear direction, and the vibration of the water tank is transmitted to the housing. The body resonates in the front-rear direction, the left-right direction, and the oblique direction intersecting the front-rear direction.

しかしながら、特許文献1に記載された洗濯機は、略直方体をなす筐体の対向する2枚の側板の上縁に亘って補強板が跨設されているにすぎず、筐体の共振振動数が比較的低いため、筐体の振動に対する強度が低くなり、改善策が要望されていた。また、筐体における後板の横方向中央側が横方向両端部よりも後方へ膨らんでいる筐体にあっては、筐体の共振振動数がより一層低下し、筐体の振動に対する強度がより一層低下する。筐体の振動に対する強度を高くするには、筐体を構成する前板、後板及び2枚の側板の厚さを厚くしたり、前板、後板及び2枚の側板の結合強度を高くしたり、2枚の側板の上縁に亘って跨設される補強板の個数を増やしたりする必要があるため、筐体のコスト、ひいては洗濯機のコストが高くなり、さらなる改善策が要望されていた。   However, the washing machine described in Patent Document 1 is merely provided with a reinforcing plate straddling over the upper edges of two opposing side plates of a substantially rectangular parallelepiped casing, and the resonance frequency of the casing. Is relatively low, the strength against vibration of the casing is low, and an improvement measure has been demanded. Further, in the case where the lateral center side of the rear plate in the case is swollen rearward than both lateral ends, the resonance frequency of the case is further reduced and the strength against vibration of the case is further increased. Further decrease. In order to increase the strength against vibration of the housing, the thickness of the front plate, the rear plate and the two side plates constituting the housing is increased, or the coupling strength of the front plate, the rear plate and the two side plates is increased. Or the number of reinforcing plates straddled across the upper edges of the two side plates is increased, which increases the cost of the housing and hence the cost of the washing machine, and further improvement measures are desired. It was.

また、筐体の対向する2枚の側板の上縁に亘って跨設されている補強板には、吊ばねにて水槽が吊下げられているため、水槽の振動、洗濯機全体の落下等により比較的強い力が補強板に加わった際、該補強板が変形しないように、補強板を広幅とし、板厚を厚くする必要があり、この点においても筐体のコスト、ひいては洗濯機のコストが高くなり、さらなる改善策が要望されていた。   Moreover, since the water tank is suspended by the suspension spring on the reinforcing plate straddling across the upper edges of the two opposing side plates of the casing, the water tank vibrates, the entire washing machine falls, etc. When a relatively strong force is applied to the reinforcing plate, it is necessary to make the reinforcing plate wide and thick so that the reinforcing plate is not deformed. In this respect as well, the cost of the housing, and thus the washing machine Costs increased and further improvements were desired.

本発明は斯かる事情に鑑みてなされたものであり、主たる目的は三つの位置に亘って跨設されている補強部材を備える簡易な構成にて、交差する3方向の振動に対する筐体の強度を高くすることができるとともに、振動に対する筐体の強度を高くすることができる割にコストを低減することができる洗濯機を提供することにある。   The present invention has been made in view of such circumstances, and a main object thereof is a strength of a housing against vibrations in three intersecting directions with a simple configuration including reinforcing members straddling over three positions. An object of the present invention is to provide a washing machine that can reduce the cost while the strength of the housing against vibration can be increased.

本発明に係る洗濯機は、側面の一部に洗濯物の挿入口を有し、内部に回転ドラムを収容してある筐体を備える洗濯機において、前記筐体は、その上部に開口部を有し、該開口部の三つの位置に亘って補強部材を跨設してあり、前記三つの位置のうちの二つは、前記筐体の上部における前記挿入口の上方を両側方へはずれた位置に配してあり、他の一つは、前記挿入口の上方の前記上部と反対方向の位置に配してあり、前記補強部材は、前記二つの位置に亘って跨設された第1補強体と、該第1補強体の長手方向中途及び前記一つの位置に亘って跨設された第2補強体とを有することを特徴とする。 A washing machine according to the present invention includes a housing having a laundry insertion opening in a part of a side surface and housing a rotating drum therein, and the housing has an opening at an upper portion thereof. It has, out Ri straddled tare the reinforcing member over the three positions of the opening, two of the three positions, the upper of the insertion opening in the upper portion of the housing to both sides The other one is arranged at a position opposite to the upper part above the insertion port, and the reinforcing member is a second straddled across the two positions. 1 and a reinforcing member, characterized Rukoto that in the longitudinal direction middle and the one position of the first reinforcing member having a second reinforcing member which is straddled.

この発明にあっては、上部に開口部を有する筐体の開口部の三つの位置に亘って跨設されている補強部材により、交差する3方向の振動に対する筐体の強度を高くすることが可能であるとともに、筐体の共振振動数を高くすることができ、回転ドラムにて発生する振動数よりも筐体の共振振動数を遠ざけることができ、しかも、三つの位置に亘って跨設されている補強部材を備える簡易な構成であるため、強度を高くすることができる割にコストを低減することができる。   In the present invention, the strength of the housing against vibrations in three intersecting directions can be increased by the reinforcing members straddling over the three positions of the opening of the housing having the opening at the top. The resonance frequency of the housing can be increased, the resonance frequency of the housing can be made farther than the frequency generated by the rotating drum, and straddling over three positions. Since it is a simple structure provided with the reinforcing member currently used, cost can be reduced for the intensity | strength can be made high.

また、この発明にあっては、補強部材を平面視で略T字形に配することが可能であり、挿入口による筐体の強度低下を、二つの位置に亘って跨設された補強部材により防ぐことができるとともに、該補強部材の外力による変形を、他の一つの位置に跨設された補強部材により抑制することができ、振動及び不用意な落下等による比較的強い力に対する強度の余裕度を向上させることができる。 Further, in the this invention, it is possible to arrange in a substantially T-shaped reinforcing member in plan view, the reinforcement member the strength reduction of the housing by the insertion opening, which is straddled across two positions The deformation of the reinforcing member due to the external force can be suppressed by the reinforcing member straddling the other position, and the strength against the relatively strong force due to vibration and inadvertent dropping can be reduced. The margin can be improved.

また、この発明にあっては、筐体の上部における挿入口の上方を両側方へはずれた二つの位置に亘って第1補強体が跨設され、該第1補強体の長手方向中途及び挿入口の上方の上部と反対方向の位置に亘って第2補強体が跨設されているため、第1補強体及び第2補強体により、交差する3方向の振動に対する筐体の強度を高くすることが可能であるとともに、筐体を備える筐体の共振振動数を高くすることができ、回転ドラムにて発生する振動数よりも筐体の共振振動数を遠ざけることができ、しかも、第1補強体に加えて第2補強体を備える簡易な構成であるため、強度を高くすることができる割にコストを低減することができる。 Further, in the this invention, the first reinforcing member is straddled across two locations above the insertion opening out to both sides in the upper part of the housing, and a longitudinal middle of said first reinforcement member Since the second reinforcement body is straddled across the position in the direction opposite to the upper part above the insertion opening, the first reinforcement body and the second reinforcement body increase the strength of the housing against vibrations in the three intersecting directions. The resonance frequency of the housing provided with the housing can be increased, and the resonance frequency of the housing can be made farther than the frequency generated in the rotating drum. Since it is a simple structure provided with the 2nd reinforcement body in addition to 1 reinforcement body, cost can be reduced although it can raise intensity | strength.

また、本発明に係る洗濯機は、前記第1補強体は、前記挿入口の上方の前記上部及び前記一つの位置の間の中央よりも前記挿入口の上方の前記上部側に配してある構成とするのが好ましい。
この発明にあっては、筐体の挿入口側の強度を高めることができ、振動及び不用意な落下等による比較的強い力に対する強度の余裕度を向上させることができる。
Further, in the washing machine according to the present invention, the first reinforcing body is disposed on the upper side above the insertion port rather than the center between the upper portion above the insertion port and the one position. A configuration is preferable.
In the present invention, the strength on the insertion opening side of the housing can be increased, and the margin of strength against a relatively strong force due to vibration, inadvertent dropping, or the like can be improved.

また、本発明に係る洗濯機は、前記第2補強体は、前記二つの位置間の中央部に配してある構成とするのが好ましい。
この発明にあっては、第2補強体により第1補強体の強度をより一層高めることができるとともに、筐体の上部を、第2補強体を中心とする略同形状の二つの枠構造にして筐体の強度をより一層高め得るため、洗濯時における比較的大きい振動及び輸送時の不用意な落下による比較的大きい衝撃に対する強度の余裕度を向上させることができる。
Moreover, it is preferable that the washing machine according to the present invention has a configuration in which the second reinforcing body is arranged in a central portion between the two positions.
In the present invention, the strength of the first reinforcing body can be further increased by the second reinforcing body, and the upper portion of the housing has two frame structures having substantially the same shape centering on the second reinforcing body. Thus, the strength of the casing can be further increased, so that it is possible to improve the margin of strength against a relatively large impact during washing and a relatively large impact due to inadvertent dropping during transportation.

また、本発明に係る洗濯機は、前記筐体内に配され、その内部に前記回転ドラムを配してある水槽を備え、前記第1補強体及び第2補強体は、前記水槽を吊す吊ばねを取付けてある構成とするのが好ましい。
この発明にあっては、水槽を第1補強体及び第2補強体の夫々に吊ることができるため、吊ばねを配する箇所の自由度を高めることができ、筐体の強度を高めることができながら、吊ばね用のばね掛部材をなくすることができ、吊ばねを備える洗濯機のコストを低減することができる。
In addition, the washing machine according to the present invention includes a water tank that is arranged in the housing and in which the rotating drum is arranged, and the first reinforcing body and the second reinforcing body are suspension springs that suspend the water tank. It is preferable to adopt a configuration in which is attached.
In this invention, since the water tank can be hung on each of the first reinforcing body and the second reinforcing body, the degree of freedom of the location where the suspension spring is arranged can be increased, and the strength of the housing can be increased. However, the spring hook member for the suspension spring can be eliminated, and the cost of the washing machine including the suspension spring can be reduced.

本発明によれば、平面視で交差する3方向の振動に対する筐体の強度を高くすることができ、筐体の耐久性を高めることができるとともに、三つの位置に亘って跨設されている補強部材を備える簡易な構成であり、強度を高くすることができる割にコストを低減することができる。   According to the present invention, the strength of the housing against vibrations in three directions intersecting in plan view can be increased, the durability of the housing can be increased, and the housing is stretched over three positions. It is a simple structure provided with a reinforcing member, and the cost can be reduced while the strength can be increased.

本発明に係る洗濯機の構成を示す模式的断面図である。It is typical sectional drawing which shows the structure of the washing machine which concerns on this invention. 本発明に係る洗濯機の筐体の構成を示す斜視図である。It is a perspective view which shows the structure of the housing | casing of the washing machine which concerns on this invention. 本発明に係る洗濯機の筐体の構成を示す斜視図である。It is a perspective view which shows the structure of the housing | casing of the washing machine which concerns on this invention. 本発明に係る洗濯機の筐体の構成を示す要部の拡大した分解斜視図である。It is the disassembled perspective view to which the principal part which shows the structure of the housing | casing of the washing machine which concerns on this invention was expanded.

以下本発明をその実施の形態を示す図面に基づいて詳述する。図1は本発明に係る洗濯機の構成を示す模式的断面図、図2及び図3は洗濯機の筐体の構成を示す斜視図、図4は洗濯機の筐体の構成を示す要部の拡大した分解斜視図である。   Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof. FIG. 1 is a schematic cross-sectional view showing a configuration of a washing machine according to the present invention, FIGS. 2 and 3 are perspective views showing a configuration of a casing of the washing machine, and FIG. 4 is a main part showing a configuration of the casing of the washing machine. FIG.

図に示した洗濯機は、略直方体をなし、側面の一部に洗濯物の挿入口1aを有する板金製の筐体1と、挿入口1aに対応する開口3aを有し、筐体1内にその下部がサスペンション部材2により弾性的に支持されている水槽3と、挿入口1aに対応する開口4aを有し、水槽3内に回動を可能に収容されている回転ドラム4と、水槽3の他側部に装着され、回転ドラム4を駆動するドラムモータ5と、水槽3内に給水する電磁式の給水弁6と、該給水弁6に接続され、水槽3内に蒸気を供給する蒸気発生器7と、水槽3内の水を排水する電磁式の排水弁8と、ドラムモータ5等を駆動制御する制御部とを備えるドラム式洗濯機である。   The washing machine shown in the figure has a substantially rectangular parallelepiped shape, and has a sheet metal casing 1 having a laundry insertion port 1a on a part of a side surface and an opening 3a corresponding to the insertion port 1a. A rotating drum 4 having a lower portion thereof elastically supported by the suspension member 2, an opening 4 a corresponding to the insertion port 1 a, and being rotatably accommodated in the aquarium 3, 3, a drum motor 5 that drives the rotating drum 4, an electromagnetic water supply valve 6 that supplies water into the water tank 3, and a steam supply to the water tank 3 that is connected to the water supply valve 6. The drum type washing machine includes a steam generator 7, an electromagnetic drain valve 8 that drains water in the water tank 3, and a control unit that drives and controls the drum motor 5 and the like.

筐体1は、上部に丸形の挿入口1aが開設されている前板11と、前後に離隔して前板11に対向する後板12と、前板11及び後板12の両側縁を連結する2枚の側板13,14とを有する。筐体1の下部には四角形をなす底台15が取付けられ、上部には四角形をなす天蓋16が取付けられる。また、前板11の外側に、挿入口1aに対応する開口17aが開設された外装板17がビス等により取付けられている。後板12は横方向中央側が横方向両端部よりも後方へ膨らんでいる。   The housing 1 includes a front plate 11 having a circular insertion opening 1a at the top, a rear plate 12 that is separated from the front and rear and faces the front plate 11, and both side edges of the front plate 11 and the rear plate 12. Two side plates 13 and 14 to be connected are provided. A rectangular base 15 is attached to the lower part of the casing 1, and a rectangular canopy 16 is attached to the upper part. An exterior plate 17 having an opening 17a corresponding to the insertion port 1a is attached to the outside of the front plate 11 with screws or the like. The rear plate 12 swells rearward from the lateral ends at the center in the lateral direction.

外装板17は前板11の上縁よりも上方に長く形成され、該外装板17の上部外面に、各種の操作のための操作キー及び各種の表示のための表示部を有する操作パネル9が設けられている。操作パネル9は、外装板17の上部内側に配される前記制御部に接続してあり、洗濯運転、脱水運転及び乾燥運転を含む洗濯機の運転は、操作パネル9の操作に応じた制御部の動作により実行される。また、外装板17の開口部分には、開口を開閉するための蓋体18が枢着される。   The exterior plate 17 is formed longer than the upper edge of the front plate 11, and an operation panel 9 having operation keys for various operations and a display unit for various displays is provided on the upper outer surface of the exterior plate 17. Is provided. The operation panel 9 is connected to the control unit disposed inside the upper portion of the exterior plate 17, and the operation of the washing machine including the washing operation, the dehydration operation, and the drying operation is performed according to the operation of the operation panel 9. It is executed by the operation. Further, a lid 18 for opening and closing the opening is pivotally attached to the opening portion of the exterior plate 17.

前板11の両側縁部と、後板12及び側板13,14の両側縁部とにはビス等にて互いに結合される内向きの鍔部が一体に設けられ、後板12及び側板13,14の上縁部にはビス等にて天蓋16が結合される内向きの鍔部が一体に設けられている。また、後板12及び側板13,14の鍔部夫々には、天蓋16が結合されるための孔とは別個に、上下に貫通する取付孔12a,13a,14aが設けられている。後板12の取付孔12aは側板13,14間の中央部に配してあり、側板13,14の取付孔13a,14aは前板11側に配してある。   Both side edges of the front plate 11 and both side edges of the rear plate 12 and the side plates 13 and 14 are integrally provided with inward flanges that are coupled to each other with screws or the like. An inward brim portion to which the canopy 16 is coupled with a screw or the like is integrally provided at the upper edge portion of 14. In addition, mounting holes 12a, 13a, and 14a penetrating vertically are provided in the collar portions of the rear plate 12 and the side plates 13 and 14, separately from the holes for connecting the canopy 16. The mounting holes 12a of the rear plate 12 are arranged in the center between the side plates 13 and 14, and the mounting holes 13a and 14a of the side plates 13 and 14 are arranged on the front plate 11 side.

補強部材として、側板13,14における前板11側の上部に亘って板金製の第1補強体19が跨設され、該第1補強体19の長手方向中央部と後板12における上部の中央部とに亘って板金製の第2補強体20が跨設されている。第1補強体19及び第2補強体20は平面視で略T字形をなすように配してある。   As a reinforcing member, a first reinforcing body 19 made of sheet metal is straddled across the upper portion of the side plates 13 and 14 on the front plate 11 side, and the center portion in the longitudinal direction of the first reinforcing body 19 and the center of the upper portion of the rear plate 12. The 2nd reinforcement body 20 made from sheet metal is straddling over the part. The 1st reinforcement body 19 and the 2nd reinforcement body 20 are distribute | arranged so that a substantially T shape may be made | formed by planar view.

第1補強体19は、横方向に長い杆板部19a、該杆板部19aの両端から厚さ方向へ垂下する垂下部19b,19b及び垂下部19b,19bの両端から杆板部19aの長手方向へ曲がる鍔部19c,19cとを有する略門形をなし、杆板部19aの長手方向中央部に第1孔19dが開設され、鍔部19c,19cに第2孔19eが開設されている。第1補強体19の一端部は、第2孔19eへ挿通されるビスが側板13の取付孔13aへ螺入されることにより側板13に取付けられ、他端部は、第2孔19eへ挿通されるビスが側板14の取付孔14aへ螺入されることにより側板14に取付けられている。また、第1補強体19の長手方向中央部には、水槽3の上部前方側を吊す吊ばね10が取付けられている。   The first reinforcing body 19 includes a long plate part 19a that is long in the lateral direction, hanging parts 19b and 19b that hang in the thickness direction from both ends of the plate part 19a, and the longitudinal direction of the plate part 19a from both ends of the hanging parts 19b and 19b. It has a substantially gate shape having flange portions 19c and 19c that are bent in the direction, and a first hole 19d is formed in the longitudinal center portion of the flange plate portion 19a, and a second hole 19e is formed in the flange portions 19c and 19c. . One end of the first reinforcing body 19 is attached to the side plate 13 by screwing a screw inserted into the second hole 19e into the attachment hole 13a of the side plate 13, and the other end is inserted into the second hole 19e. The screw to be attached is attached to the side plate 14 by being screwed into the attachment hole 14 a of the side plate 14. In addition, a suspension spring 10 that suspends the upper front side of the water tank 3 is attached to a central portion in the longitudinal direction of the first reinforcing body 19.

第2補強体20は、横方向に長い杆板部20a、該杆板部20aの一端から厚さ方向へ垂下する垂下部20b及び垂下部20bの一端から杆板部20aの長手方向へ曲がる鍔部20cとを有する略鉤形をなし、杆板部20aの他端部及び鍔部20cに第3孔20dが開設されている。第2補強体20の一端部は、鍔部20cの第3孔20dへ挿通されるビスが後板12の取付孔12aへ螺入されることにより後板12の中央部に取付けられ、他端部は、第3孔20dへ挿通されるビスが第1補強体19の第1孔19dへ螺入されることにより第1補強体19の中央部に取付けられている。また、第2補強体20の他端側には、水槽3の上部後方側を吊す吊ばね21が取付けられている。   The second reinforcing body 20 has a long plate part 20a that is long in the lateral direction, a hanging part 20b that hangs down in the thickness direction from one end of the plate part 20a, and a ridge that bends from one end of the hanging part 20b in the longitudinal direction of the plate part 20a. The third hole 20d is formed in the other end portion of the flange plate portion 20a and the flange portion 20c. One end of the second reinforcing body 20 is attached to the center portion of the rear plate 12 by screwing a screw inserted into the third hole 20d of the flange portion 20c into the attachment hole 12a of the rear plate 12, and the other end. The portion is attached to the central portion of the first reinforcing body 19 by screwing a screw inserted into the third hole 20 d into the first hole 19 d of the first reinforcing body 19. A suspension spring 21 that suspends the upper rear side of the water tank 3 is attached to the other end side of the second reinforcement body 20.

水槽3は一端に開口3aを有する大径の有底筒形をなし、底台15上に装着されたサスペンション部材2により、開口3aが上位となるように鉛直に対して軸心を傾けた傾斜姿勢を保って弾性支持され、開口3aが挿入口1aと対向している。水槽3の他端側底部にはドラムモータ5が装着され、該ドラムモータ5の出力軸5aが水槽3の軸心と同軸に配されている。また、水槽3の開口3a側上部には吊ばね10,21が掛止され、第1補強体19及び第2補強体20に揺動を可能に吊下げ支持されている。水槽3の底部側上部には給水管22が接続され、該給水管22の中途に給水弁6が接続されている。給水弁6は三方切換弁であり、該三方切換弁の一つのポートに送水管23が接続され、該送水管23の中途に貯水槽24、定量ポンプ25及び蒸気発生器7が接続され、蒸気発生器7にて発生された蒸気を送水管23先端から回転ドラム4の開口4a内側に噴射するように構成されている。   The water tank 3 has a large-diameter bottomed cylindrical shape having an opening 3a at one end, and is inclined with an axis inclined with respect to the vertical so that the opening 3a is located at the upper position by the suspension member 2 mounted on the bottom base 15. It is elastically supported while maintaining its posture, and the opening 3a faces the insertion port 1a. A drum motor 5 is attached to the bottom of the other end of the water tank 3, and an output shaft 5 a of the drum motor 5 is arranged coaxially with the axis of the water tank 3. Further, suspension springs 10 and 21 are hooked on the opening 3a side upper portion of the water tank 3, and are supported by the first reinforcement body 19 and the second reinforcement body 20 so as to be swingable. A water supply pipe 22 is connected to the upper part on the bottom side of the water tank 3, and a water supply valve 6 is connected to the middle of the water supply pipe 22. The water supply valve 6 is a three-way switching valve. A water supply pipe 23 is connected to one port of the three-way switching valve, and a water storage tank 24, a metering pump 25 and a steam generator 7 are connected in the middle of the water supply pipe 23, The steam generated by the generator 7 is configured to be jetted from the tip of the water supply pipe 23 to the inside of the opening 4 a of the rotary drum 4.

回転ドラム4は、一端に開口4aを有し、水槽3よりも若干小径の有底筒形をなしており、水槽3と同軸をなして水槽3内に回動自在に支持されている。回転ドラム4は水槽3の開口3aの内側に開口4aを臨ませ、他端側底部の中央に出力軸5aが連結されており、開口4aの外周りには環状の流体バランサ41が周設され、回転ドラム4の回動に伴う振動を吸収するようになしてある。また、回転ドラム4の周面には多数の小孔4bが全周面に亘って開設され、内面には軸長方向に延びる複数のバッフル4cが周方向に離隔して突設されている。   The rotating drum 4 has an opening 4 a at one end, has a bottomed cylindrical shape slightly smaller than the water tank 3, and is rotatably supported in the water tank 3 coaxially with the water tank 3. The rotating drum 4 faces the opening 4a inside the opening 3a of the water tank 3, and an output shaft 5a is connected to the center of the bottom of the other end. An annular fluid balancer 41 is provided around the outer periphery of the opening 4a. The vibration accompanying the rotation of the rotary drum 4 is absorbed. In addition, a large number of small holes 4b are formed in the peripheral surface of the rotating drum 4 over the entire peripheral surface, and a plurality of baffles 4c extending in the axial length direction are provided on the inner surface so as to protrude in the circumferential direction.

以上のように構成された洗濯機は、底台15の周縁部に筐体1の下端がビス等により取付られ、筐体1の上端に天蓋16がビス等により取付られ、筐体1における前板11の外側に外装板17がビス等により取付けられている。   In the washing machine configured as described above, the lower end of the casing 1 is attached to the peripheral edge of the base 15 with screws or the like, and the canopy 16 is attached to the upper end of the casing 1 with screws or the like. An exterior plate 17 is attached to the outside of the plate 11 with screws or the like.

筐体1における後板12及び側板13,14の上縁部には取付孔12a,13a,14aを有する鍔部が一体に設けられ、側板13,14の鍔部で、前板11側に配してある取付孔13a,14aには、長手方向中央部に第1孔19dを有する第1補強体19の両端部がビス等により取付けられ、また、第1補強体19の長手方向中央部に設けられた第1孔19d及び後板12の鍔部で、側板13,14間の中央部に配してある取付孔12aには、第2補強体20の両端部がビス等により取付けられ、第1補強体19及び第2補強体20が平面視で略T字形をなすように配してあるため、回転ドラム4の回動に伴って筐体1に加わる前後方向、左右方向及び前後方向と交差する斜め方向の振動に対する筐体1の強度を高くすることができ、筐体1の共振振動数を高くすることができる。このように、筐体1の共振振動数を高くすることができ、回転ドラム4の回動により発生する振動数よりも筐体1の共振振動数を遠ざけることができるため、前後方向、左右方向及び前後方向と交差する斜め方向の振動、換言すると交差する3方向の振動に対する筐体1の強度を高くすることができ、耐久性を向上することができる。また、後板12の横方向中央側が横方向両端部よりも後方へ膨らんでいる筐体1であるに拘らず、交差する3方向の振動に対する筐体1の強度を高くすることができる。   The upper edge of the rear plate 12 and the side plates 13 and 14 in the housing 1 is integrally provided with a flange having mounting holes 12a, 13a and 14a, and is arranged on the front plate 11 side at the flange of the side plates 13 and 14. In the mounting holes 13a and 14a, both end portions of the first reinforcing body 19 having the first hole 19d in the longitudinal central portion are attached by screws or the like, and in the longitudinal central portion of the first reinforcing body 19 Both ends of the second reinforcing body 20 are attached by screws or the like to the mounting holes 12a arranged in the center between the side plates 13 and 14 at the provided first holes 19d and the flanges of the rear plate 12. Since the first reinforcing body 19 and the second reinforcing body 20 are arranged so as to form a substantially T shape in plan view, the front-rear direction, the left-right direction, and the front-rear direction applied to the housing 1 as the rotating drum 4 rotates. The strength of the housing 1 against the vibration in the oblique direction intersecting with the housing can be increased. It can be increased first resonant frequency. As described above, the resonance frequency of the housing 1 can be increased, and the resonance frequency of the housing 1 can be kept away from the vibration frequency generated by the rotation of the rotating drum 4. And the intensity | strength of the housing | casing 1 with respect to the vibration of the diagonal direction which cross | intersects the front-back direction, in other words, the vibration of 3 directions which cross | intersect can be made high, and durability can be improved. In addition, the strength of the casing 1 against vibrations in the three intersecting directions can be increased regardless of the casing 1 in which the center side in the lateral direction of the rear plate 12 swells rearward from both lateral ends.

また、2枚の側板13,14に亘って跨設されている第1補強体19の長手方向中央部に第2補強体20が取付けられ、筐体1の上部が、第2補強体20を中心とする略同形状の二つの枠構造に形成されて筐体1の強度がより一層高くなっているため、洗濯時における比較的大きい振動及び輸送時の不用意な落下による比較的大きい衝撃に対する強度の余裕度を向上させることができる。   In addition, a second reinforcing body 20 is attached to the longitudinal central portion of the first reinforcing body 19 straddling the two side plates 13 and 14, and the upper portion of the housing 1 attaches the second reinforcing body 20. Formed in two frame structures of substantially the same shape as the center, the strength of the housing 1 is further increased, so that it can withstand relatively large vibrations during washing and relatively large impacts caused by inadvertent drops during transportation. Strength margin can be improved.

また、第1補強体19の長手方向中央部に第2補強体20が取付けられ、第1補強体19の強度が高くなっているため、第1補強体19の長手方向中途と水槽3の上部とを連結部材にて連結し、輸送時に水槽3が揺動するのを抑制する構成とした場合でも、比較的大きい衝撃に対する強度の余裕度を向上させることができる。   Moreover, since the 2nd reinforcement body 20 is attached to the longitudinal direction center part of the 1st reinforcement body 19, and the intensity | strength of the 1st reinforcement body 19 is high, the longitudinal direction middle of the 1st reinforcement body 19 and the upper part of the water tank 3 Are connected by a connecting member, and even if it is set as the structure which suppresses rocking | fluctuation of the water tank 3 at the time of transport, the margin of the intensity | strength with respect to a comparatively big impact can be improved.

また、水槽3を吊下げる吊ばね10,21を第1補強体19及び第2補強体20の夫々、又は第1補強体19及び第2補強体20のいずれか一方に取付けることができ、吊ばね10,21を配する箇所の自由度高めることができるため、交差する3方向の振動に対する筐体1の強度向上を実現しつつ、吊ばね10,21を取付けるための部材をなくすることができ、筐体1のコスト、ひいては洗濯機のコストを低減できる。   Moreover, the suspension springs 10 and 21 for suspending the water tank 3 can be attached to either the first reinforcement body 19 and the second reinforcement body 20 or one of the first reinforcement body 19 and the second reinforcement body 20, respectively. Since the degree of freedom of the place where the springs 10 and 21 are arranged can be increased, the strength of the housing 1 against the vibrations in the three intersecting directions can be improved, and a member for attaching the suspension springs 10 and 21 can be eliminated. It is possible to reduce the cost of the housing 1 and thus the cost of the washing machine.

また、水槽3の上側に配される蒸気発生器7等の付設部品を第2補強体20に取付けることができるため、付設部品専用の取付部材をなくすることができ、洗濯機のコストを低減できる。   Moreover, since attachment parts, such as the steam generator 7 distribute | arranged above the water tank 3, can be attached to the 2nd reinforcement body 20, the attachment member only for attachment parts can be eliminated and the cost of a washing machine is reduced. it can.

また、天蓋16の中央側を第1補強体19及び第2補強体20にて支えることができるため、天蓋16の厚さを薄くすることができ、筐体1の強度不足を来すことなく筐体1のコスト、ひいては洗濯機のコストを低減できる。   Moreover, since the center side of the canopy 16 can be supported by the first reinforcing body 19 and the second reinforcing body 20, the thickness of the canopy 16 can be reduced, and the casing 1 does not have insufficient strength. The cost of the housing 1 and thus the cost of the washing machine can be reduced.

尚、以上説明した実施の形態では、2枚の側板13,14の前板11側に第1補強体19を跨設し、第1補強体19の長手方向中央部と後板12の横方向中央部とに亘って第2補強体20を跨設したが、その他、第1補強体19は2枚の側板13,14の後板12側、又は2枚の側板13,14の前後方向中央部に跨設されてもよいし、また、第2補強体20は第1補強体19の長手方向一方側と後板12の横方向一方側とに亘って跨設されてもよく、第1補強体19及び第2補強体20が跨設される位置は特に制限されない。   In the embodiment described above, the first reinforcing body 19 is straddled on the front plate 11 side of the two side plates 13, 14, and the longitudinal direction central portion of the first reinforcing body 19 and the lateral direction of the rear plate 12. Although the 2nd reinforcement body 20 was straddled across the center part, the 1st reinforcement body 19 is the back plate 12 side of the two side plates 13 and 14, or the center of the two side plates 13 and 14 in the front-rear direction. The second reinforcing body 20 may be straddled across the longitudinal direction one side of the first reinforcing body 19 and the lateral direction one side of the rear plate 12. The position where the reinforcing body 19 and the second reinforcing body 20 are laid is not particularly limited.

また、以上説明した実施の形態では、略直方体をなす筐体1の2枚の側板13,14に亘って第1補強体19を跨設し、第1補強体19と後板12とに亘って第2補強体20を跨設したが、その他、前板11と後板12とに亘って第1補強体19を跨設し、第1補強体19と一方の側板13(又は14)とに亘って第2補強体20を跨設した構成としてもよいし、また、前板11又は後板12と一方の側板13(又は14)とに亘って第1補強体19を跨設し、第1補強体19と他方の側板14(又は13)とに亘って第2補強体20を跨設した構成としてもよい。   Moreover, in embodiment described above, the 1st reinforcement body 19 is straddled across the two side plates 13 and 14 of the housing | casing 1 which makes | forms a substantially rectangular parallelepiped, and the 1st reinforcement body 19 and the back board 12 are covered. The second reinforcing body 20 is straddled, but in addition, the first reinforcing body 19 is straddled across the front plate 11 and the rear plate 12, and the first reinforcing body 19 and one side plate 13 (or 14) It is good also as a structure which straddled the 2nd reinforcement body 20 over, and also straddled the 1st reinforcement body 19 over the front board 11 or the back board 12, and one side board 13 (or 14), It is good also as a structure which extended the 2nd reinforcement body 20 ranging over the 1st reinforcement body 19 and the other side plate 14 (or 13).

また、以上説明した実施の形態では、略直方体をなす筐体1を備える構成としたが、その他、筐体1の形状は特に制限されず、上部に開口部を有する筒形をなし、周方向へ離隔した2位置に亘って第1補強体19が跨設される形状であればよい。   In the above-described embodiment, the housing 1 is configured to have a substantially rectangular parallelepiped shape. However, the shape of the housing 1 is not particularly limited, and has a cylindrical shape having an opening at the top, and is circumferential. What is necessary is just the shape by which the 1st reinforcement body 19 straddles over two positions spaced apart.

また、以上説明した実施の形態では、第1補強体19及び第2補強体20を板金製としたが、その他、第1補強体19及び第2補強体20は棒状であってもよく、第1補強体19及び第2補強体20の構造は特に制限されない。   In the embodiment described above, the first reinforcing body 19 and the second reinforcing body 20 are made of sheet metal. However, the first reinforcing body 19 and the second reinforcing body 20 may be rod-shaped, The structures of the first reinforcing body 19 and the second reinforcing body 20 are not particularly limited.

1 筐体
1a 挿入口
3 水槽
4 回転ドラム
19 第1補強体
20 第2補強体
10,21 吊ばね
DESCRIPTION OF SYMBOLS 1 Case 1a Insertion port 3 Water tank 4 Rotating drum 19 1st reinforcement body 20 2nd reinforcement body 10,21 Suspension spring

Claims (4)

側面の一部に洗濯物の挿入口を有し、内部に回転ドラムを収容してある筐体を備える洗濯機において、
前記筐体は、その上部に開口部を有し、
該開口部の三つの位置に亘って補強部材を跨設してあり、
前記三つの位置のうちの二つは、前記筐体の上部における前記挿入口の上方を両側方へはずれた位置に配してあり、
他の一つは、前記挿入口の上方の前記上部と反対方向の位置に配してあり、
前記補強部材は、
前記二つの位置に亘って跨設された第1補強体と、
該第1補強体の長手方向中途及び前記一つの位置に亘って跨設された第2補強体と
を有すること
を特徴とする洗濯機。
In a washing machine comprising a housing having a laundry insertion opening in a part of the side surface and containing a rotating drum inside,
The housing has an opening at the top thereof,
Straddled Tare the reinforcing member over the three positions of the opening is,
Two of the three positions are arranged at positions shifted to both sides above the insertion port in the upper part of the housing,
The other one is arranged at a position opposite to the upper part above the insertion port,
The reinforcing member is
A first reinforcing body straddling over the two positions;
A second reinforcing body straddling the middle of the first reinforcing body in the longitudinal direction and the one position;
Washing machine and wherein the Rukoto to have a.
前記第1補強体は、前記挿入口の上方の前記上部及び前記一つの位置の間の中央よりも前記挿入口の上方の前記上部側に配してある請求項記載の洗濯機。 It said first reinforcement member is a washing machine according to claim 1, wherein also the center between the upper and position of the one above the insertion opening are arranged on the upper side of the upper of the insertion opening. 前記第2補強体は、前記二つの位置間の中央部に配してある請求項又は記載の洗濯機。 The washing machine according to claim 1 or 2 , wherein the second reinforcing body is disposed in a central portion between the two positions. 前記筐体内に配され、その内部に前記回転ドラムを配してある水槽を備え、前記第1補強体及び第2補強体は、前記水槽を吊す吊ばねを取付けてある請求項からのいずれか一つに記載の洗濯機。 The housing is arranged in the body, comprising a water tank that is disposed the rotary drum therein, the first reinforcing member and the second reinforcing member are of claims 1 to 3 which is attached a hanging hanging spring the water tank The washing machine according to any one of the above.
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