JP2004057762A - Safety switch of washing machine - Google Patents

Safety switch of washing machine Download PDF

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Publication number
JP2004057762A
JP2004057762A JP2002252035A JP2002252035A JP2004057762A JP 2004057762 A JP2004057762 A JP 2004057762A JP 2002252035 A JP2002252035 A JP 2002252035A JP 2002252035 A JP2002252035 A JP 2002252035A JP 2004057762 A JP2004057762 A JP 2004057762A
Authority
JP
Japan
Prior art keywords
safety switch
lever
washing machine
switch
contact plates
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
Application number
JP2002252035A
Other languages
Japanese (ja)
Inventor
Kensuke Yamamoto
山本 健助
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.)
SHINSEI DENKI KK
Original Assignee
SHINSEI DENKI KK
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 SHINSEI DENKI KK filed Critical SHINSEI DENKI KK
Priority to JP2002252035A priority Critical patent/JP2004057762A/en
Publication of JP2004057762A publication Critical patent/JP2004057762A/en
Pending legal-status Critical Current

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

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate the problem that a conventional switch functioning as a cover interlocked switch and as a safety switch sensing abnormal vibration of a washing tub has a complicated structure and operates unstably. <P>SOLUTION: The safety switch is constituted to operate on sensing abnormal vibration in centrifugal dewatering operation of a washing machine. The safety switch has a safety switch body fitted to the frame body of a washing machine body and a downward projecting lever making the safety switch operate on sensing abnormal vibration of an extracted water receiving tub supported in suspension by a vibrationproof mechanism in the the washing machine body. This lever is supported rotatably at a support point of the safety switch body, while an opening-closing lever part of a switch contact is provided in annexation above the support point of rotation of the lever. Two contact plates opposite each other are provided parallel in the direction of movement thereof, on the opposite sides of the opening-closing lever part. The two contact plates are opened and closed by sliding of the opening-closing lever. Moreover, they are opened and closed by sliding of the cover interlocked lever positioned on the outer sides of the two opposite contact plates, associated with the cover of a washing throw-in opening of the washing machine. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は洗濯機の安全スイッチに関するものである。
【0002】
【従来の技術】
従来、蓋連動スイッチと洗濯槽異常振動を感知する安全スイッチを兼ねたスイッチは構造が複雑で動作が不安定であった。
【0003】
【発明が解決しようとする課題】
本発明は従来の構造複雑、動作不安定の課題を解決しようとするものである。
【0004】
【課題を解決するための手段】
本発明はこの課題を解決しようとするものである。即ち、洗濯機の遠心脱水運転時の異常振動を感知して動作する安全スイッチにおいて、洗濯機本体の枠体に取り付けて設けた安全スイッチ本体と、洗濯機本体内に防振機構により懸垂支持した脱水受け槽の異常振動を感知して前記安全スイッチを作動させる下方突出レバーを備え、下方突出レバーは安全スイッチ本体の支持点で回転自在に支持し、下方突出レバーの回転支持点の上方にはスイッチ接点の開閉レバー部を併設し、この開閉レバー部を挟んで、可動方向に平行に、相対する2枚の接点板を設け、開閉レバーの摺動により、2枚の接点板を開閉する安全スイッチとし、更に、洗濯機の洗濯物投入口の蓋に連動して、前記の相対する2枚の接点板の外側面に位置して設けた蓋連動レバーの摺動により、2枚の接点板を開閉することを特徴とする洗濯機の安全スイッチである。
【0005】
【発明の実施の形態】
以下、本発明の実施例について、図1、図2に基づいて説明する。
図1は本発明の実施例の平面図と側断面図を示している。図2は安全スイッチを洗濯機の枠体2に取り付けた関係図である。
図1に示す安全スイッチ本体1は図2に示すように洗濯機の枠体2に取り付けて設けている。洗濯機本体の防振機構3により懸垂支持した脱水受け槽4の異常振動を感知して、安全スイッチ本体1を作動させる下方突出レバー5は安全スイッチ1の支持点6で回転支持されている。この下方突出レバー5の上方端には、スイッチ接点板7、8の開閉操作をする開閉レバー部9を併設している。スイッチの接点板7、8はこの開閉レバー部9を挟んで開閉レバー部9の可動方向に平行に安全スイッチ本体1内に図1のように設けている。従って、脱水受け槽4が異常振動して、右へ大きく振れると、下方突出レバー5は右へ振れて図1の点線位置に動き、安全スイッチ1内の接点板7、8は互いに離れ、洗濯機は安全に脱水回転を停止する。更に、洗濯機の洗濯物投入口の蓋10に連動して、前記の相対する2枚の接点板の外側面に位置して設けた蓋連動レバー11は、蓋10を閉じると、蓋連動レバー11の蓋10との当接部11’が当たり、蓋連動レバー11は回転支持部12を中心に図1の点線位置に回転し、蓋連動レバー11は右方向へ摺動し、接点板7、8を閉じる。従って、一対の接点板7、8を開閉レバー部9と蓋連動レバー11それぞれの作動により、蓋開閉スイッチ機構と脱水異常感知の安全スイッチ機構を兼ね備えた、構造簡単で、動作確実な安全スイッチが提供できる。
以下、動作について詳述する。図1において、蓋10を閉じると蓋連動レバー11の当接部11’が当たり、蓋連動レバー11は回転支持部12を中心に図1の点線位置に回転し、蓋連動レバー11は右方向へ摺動し、接点板7を図1の点線位置に押し曲げて、実線位置の接点板8に当接し、接点を閉じて、洗濯機は運転を開始する。次ぎに、洗濯機が異常振動して、脱水受け槽4が下方突出レバー5を図1に示す点線位置に押すと、開閉レバー部9が図1の左方向の点線位置に摺動し、接点板8を点線位置に押しさげて、接点を開き、洗濯機は運転を停止する。
以上に詳述したように、蓋開閉スイッチ機構と脱水異常感知の安全スイッチ機構を兼ね備えた、構造簡単で、動作確実な安全スイッチである。
尚、13は突出レバー5の復帰スプリング、14は蓋連動レバー11の復帰スプリングである。
【0006】
【発明の効果】
以上説明のように、本発明の洗濯機の安全スイッチは、蓋開閉スイッチ機構と脱水異常感知の安全スイッチ機構を兼ね備えた、構造簡単で、動作確実な安全スイッチである。
【図面の簡単な説明】
【図1】本発明の実施例のスイッチ内部を示す平面図と側断面図を示している。
【図2】図2は安全スイッチを洗濯機の枠体2に取り付けた関係図である。
【符号の説明】
1 安全スイッチ本体
2 洗濯機の枠体
3 防振機構
4 脱水受け槽
5 下方突出レバー
6 回転支持点
7 スイッチ接点板
8 スイッチ接点板
9 開閉レバー部
10 蓋
11 蓋連動レバー
12 回転支持部
13 復帰スプリング
14 復帰スプリング
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a safety switch for a washing machine.
[0002]
[Prior art]
Conventionally, a switch that also functions as a lid interlocking switch and a safety switch that detects abnormal vibration of a washing tub has a complicated structure and unstable operation.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to solve the conventional problems of structural complexity and unstable operation.
[0004]
[Means for Solving the Problems]
The present invention seeks to solve this problem. That is, in the safety switch that operates by sensing abnormal vibration during the centrifugal spin-drying operation of the washing machine, the safety switch body attached to the frame body of the washing machine main body and the safety switch suspended in the washing machine main body by the vibration isolation mechanism. A downwardly protruding lever for detecting the abnormal vibration of the dehydration receiving tank and operating the safety switch is provided. The downwardly protruding lever is rotatably supported at a support point of the safety switch body, and above the rotation support point of the downwardly protruding lever. An open / close lever part for the switch contacts is provided, and two opposing contact plates are provided in parallel with the movable direction with the open / close lever part interposed. The two contact plates are opened and closed by sliding the open / close lever. A switch, and further, by interlocking with a lid of a laundry input port of the washing machine, sliding a lid interlocking lever provided on an outer surface of the two opposing contact plates to slide the two contact plates. To open and close It is a safety switch of the washing machine and butterflies.
[0005]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
FIG. 1 shows a plan view and a side sectional view of an embodiment of the present invention. FIG. 2 is a diagram showing a relationship where the safety switch is attached to the frame 2 of the washing machine.
The safety switch body 1 shown in FIG. 1 is mounted on a frame 2 of a washing machine as shown in FIG. The downward protruding lever 5 for operating the safety switch main body 1 by detecting abnormal vibration of the dehydration receiving tub 4 suspended and supported by the vibration isolation mechanism 3 of the washing machine main body is rotatably supported at the support point 6 of the safety switch 1. At the upper end of the downwardly protruding lever 5, an opening / closing lever portion 9 for opening and closing the switch contact plates 7, 8 is provided. The switch contact plates 7 and 8 are provided in the safety switch main body 1 as shown in FIG. 1 in parallel with the movable direction of the opening / closing lever portion 9 with the opening / closing lever portion 9 interposed therebetween. Therefore, when the dewatering receiving tub 4 abnormally vibrates and swings to the right, the downwardly protruding lever 5 swings to the right and moves to the dotted line position in FIG. 1, and the contact plates 7 and 8 in the safety switch 1 are separated from each other, and The machine safely stops spin-drying. Further, the lid interlocking lever 11 provided on the outer side surface of the two opposite contact plates in conjunction with the lid 10 of the laundry input port of the washing machine, when the lid 10 is closed, the lid interlocking lever 11 abuts on the contact portion 11 ′ with the lid 10, the lid interlocking lever 11 rotates to the position indicated by the dotted line in FIG. 1 around the rotation support portion 12, the lid interlocking lever 11 slides rightward, and the contact plate 7 , 8 is closed. Therefore, by operating the pair of contact plates 7 and 8 to operate the opening / closing lever portion 9 and the lid interlocking lever 11, respectively, a safety switch having a simple structure and a reliable operation having both a lid opening / closing switch mechanism and a dehydration abnormality detection safety switch mechanism is provided. Can be provided.
Hereinafter, the operation will be described in detail. In FIG. 1, when the lid 10 is closed, the contact portion 11 ′ of the lid interlocking lever 11 comes into contact, the lid interlocking lever 11 rotates to the position indicated by the dotted line in FIG. The contact plate 7 is pushed and bent to the position indicated by the dotted line in FIG. 1, contacts the contact plate 8 at the position indicated by the solid line, closes the contacts, and the washing machine starts operating. Next, when the washing machine abnormally vibrates and the dehydration receiving tub 4 pushes the downwardly protruding lever 5 to the dotted line position shown in FIG. 1, the opening / closing lever portion 9 slides to the left dotted line position in FIG. The plate 8 is pushed down to the position indicated by the dotted line to open the contact, and the washing machine stops operating.
As described in detail above, the safety switch has a simple structure and a reliable operation, having both the lid opening / closing switch mechanism and the safety switch mechanism for detecting dehydration abnormality.
In addition, 13 is a return spring of the projecting lever 5, and 14 is a return spring of the lid interlocking lever 11.
[0006]
【The invention's effect】
As described above, the safety switch of the washing machine of the present invention is a safety switch having a simple structure and a reliable operation, having both the lid opening / closing switch mechanism and the safety switch mechanism for detecting dehydration abnormality.
[Brief description of the drawings]
FIG. 1 shows a plan view and a side sectional view showing the inside of a switch according to an embodiment of the present invention.
FIG. 2 is a diagram showing a relation in which a safety switch is attached to a frame 2 of the washing machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Safety switch main body 2 Washing machine frame 3 Anti-vibration mechanism 4 Dehydration receiving tub 5 Downward projecting lever 6 Rotation support point 7 Switch contact plate 8 Switch contact plate 9 Opening / closing lever unit 10 Cover 11 Lid interlocking lever 12 Rotation support unit 13 Return Spring 14 Return spring

Claims (1)

洗濯機の遠心脱水運転時の異常振動を感知して動作する安全スイッチにおいて、洗濯機本体の枠体に取り付けて設けた安全スイッチ本体と、洗濯機本体内に防振機構により懸垂支持した脱水受け槽の異常振動を感知して前記安全スイッチを作動させる下方突出レバーを備え、下方突出レバーは安全スイッチ本体の支持点で回転自在に支持し、下方突出レバーの回転支持点の上方にはスイッチ接点の開閉レバー部を併設し、この開閉レバー部を挟んで、可動方向に平行に、相対する2枚の接点板を設け、開閉レバーの摺動により、2枚の接点板を開閉する安全スイッチとし、更に、洗濯機の洗濯物投入口の蓋に連動して、前記の相対する2枚の接点板の外側面に位置して設けた蓋連動レバーの摺動により、2枚の接点板を開閉することを特徴とする洗濯機の安全スイッチ。A safety switch that operates by detecting abnormal vibration during a centrifugal spin-drying operation of a washing machine. A lower projecting lever for detecting the abnormal vibration of the tank and operating the safety switch, the lower projecting lever being rotatably supported at a support point of the safety switch main body, and a switch contact above the rotation supporting point of the lower projecting lever. An open / close lever section is provided, and two opposing contact plates are provided in parallel with the movable direction with the open / close lever section interposed. A safety switch that opens and closes the two contact plates by sliding the open / close lever Further, the two contact plates are opened and closed by sliding a lid interlock lever provided on the outer surface of the two opposite contact plates in conjunction with the lid of the laundry input port of the washing machine. Is characterized by Safety switch of that washing machine.
JP2002252035A 2002-07-26 2002-07-26 Safety switch of washing machine Pending JP2004057762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002252035A JP2004057762A (en) 2002-07-26 2002-07-26 Safety switch of washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002252035A JP2004057762A (en) 2002-07-26 2002-07-26 Safety switch of washing machine

Publications (1)

Publication Number Publication Date
JP2004057762A true JP2004057762A (en) 2004-02-26

Family

ID=31944327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002252035A Pending JP2004057762A (en) 2002-07-26 2002-07-26 Safety switch of washing machine

Country Status (1)

Country Link
JP (1) JP2004057762A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937139A (en) * 2016-05-26 2016-09-14 安徽意华电器有限公司 Safety switch of washing machine
CN107429466A (en) * 2015-04-16 2017-12-01 松下知识产权经营株式会社 Washing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107429466A (en) * 2015-04-16 2017-12-01 松下知识产权经营株式会社 Washing machine
CN107429466B (en) * 2015-04-16 2019-07-26 松下知识产权经营株式会社 Washing machine
CN105937139A (en) * 2016-05-26 2016-09-14 安徽意华电器有限公司 Safety switch of washing machine

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