EP2154287B1 - Dispositif de verrouillage pour la fermeture du couvercle de machines à laver - Google Patents

Dispositif de verrouillage pour la fermeture du couvercle de machines à laver Download PDF

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Publication number
EP2154287B1
EP2154287B1 EP08014334A EP08014334A EP2154287B1 EP 2154287 B1 EP2154287 B1 EP 2154287B1 EP 08014334 A EP08014334 A EP 08014334A EP 08014334 A EP08014334 A EP 08014334A EP 2154287 B1 EP2154287 B1 EP 2154287B1
Authority
EP
European Patent Office
Prior art keywords
locking device
cursor
lever
closing lid
washing machine
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.)
Not-in-force
Application number
EP08014334A
Other languages
German (de)
English (en)
Other versions
EP2154287A1 (fr
Inventor
Onofrio Rocchitelli
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.)
Elettrotecnica Rold SRL
Original Assignee
Elettrotecnica Rold SRL
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 Elettrotecnica Rold SRL filed Critical Elettrotecnica Rold SRL
Priority to PL08014334T priority Critical patent/PL2154287T3/pl
Priority to EP08014334A priority patent/EP2154287B1/fr
Publication of EP2154287A1 publication Critical patent/EP2154287A1/fr
Application granted granted Critical
Publication of EP2154287B1 publication Critical patent/EP2154287B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0603—Controlling mechanically-operated bolts by electro-magnetically-operated detents the detent moving rectilinearly
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed

Definitions

  • the present invention concerns a locking device for the closing lid or door of cloth washing machines and the like, as known e.g. from US 2002/017793 A1 .
  • the invention concerns in particular, although this is not to be understood in a limiting sense, front-loading cloth washing machines.
  • the drum of front-loading cloth washing machines is closed by a (tightly) sealing lid hinged to the front panel of the machine and fitted with a closing latch or hook engaged by a locking device which is mounted on the machine front panel.
  • the locking device comprises an electromechanical device known as a door-lock, that prevents the opening of the lid after the machine has been started, and delays its opening after completion of the operating cycle, until the inertial rotation of the inside drum has ended.
  • a door-lock an electromechanical device known as a door-lock
  • the door-locking device under normal operating conditions the activation of the door-locking device is mechanically prevented if the lid is open, and in case the device is serially connected on one phase of the machine feeding system, the device also fulfils the function of preventing the machine from starting when the lid is open.
  • the door-locking device of a washing machine In order to comply with the existing European and U.S. Standards in the cloth-washing machine sector, in particular Standard EN60335-27 (2003 edition), par. 20 and Standard UL2156 par. 20.8.5, the door-locking device of a washing machine must not allow the activation of the machine when a testing finger of a predetermined size is used in a tampering attempt.
  • An object of the present invention is to realize a door-locking device for cloth washing machines and the like capable of meeting the tests envisioned by the European and U.S. standards, by mechanically preventing the start-up of the machine with the lid open, when trying to tamper the device with a "finger" of the size provided for by the Standards, with a particularly simple and effective construction.
  • the device according to the invention comprises a containing body 1, preferably made of a thermoplastic material, that comprises a portion 15 fitted with means for fastening it to the front lid of the cloth-washing machine and a closing cover 16.
  • the portion 15 is realized with a square opening 2, capable of receiving the lid hook 20 and fitted with a projecting rim 3 to be seated in the front panel of the machine so as to receive and retain the hook.
  • the body 1 further houses a sliding cursor 6 subjected to the action of elastic means 14 and an electromechanical delaying device 4 of an already known type.
  • the delaying device 4 comprises a pawl 5 that is operated by a system connected to the machine actuating controls, for instance through a movable contact blade of a micro-switch mounted in series on one phase of the machine powering system.
  • the cursor 6 presents, at the opening 2 of the support 1, a square opening 7 fitted with a thickened frame 8 with two recesses 9.
  • a locking lever 11 with a U-profile is seated inside the body 1, in correspondence of the opening 2 and connected to this latter with a hinge-type link 21.
  • the link 21 is advantageously realized with helical springs 12 arranged so as to allow, in addition to a rotation and return action of the lever 11 to its rest position, an axial motion of the lever along the sliding axis of the cursor 6.
  • the lever 11 if equipped with two small projections or prongs that fit into the recesses 9 of the cursor 6.
  • the device operates as follows.
  • the elements of the device are in the reciprocal positions shown in Fig. 1 .
  • the lever 11 blocks the small projections 13 of the cursor 6 so as to prevent the cursor translation, while the cursor 6 inhibits actuating the pawl 5 of the door-lock 4, since the axis of the window 10 is offset in respect of the pawl sliding axis. The machine start-up is thus inhibited.
  • the window 10 of the cursor 6 becomes aligned with the axis of the pawl 5 of the door-locking device 4, and this latter can snap into the holding position of the hook 20, while the lever 11 is pushed forward to rest against the cursor 6.
  • the locking pawl 5 slides back and disengages the cursor 6.
  • the hook 20 By rotating the hook 20 to allow it to be extracted from the opening 2, the hook acts on the lever causing its initial translation, which is needed to compensate and dampen the motion of the hook.
  • the subsequent rotation of the hook causes the rotation of the lever 11 and the simultaneous translation of the cursor 6, which returns the elements of the device to their respective positions shown in Fig. 1 .
  • the lever 11 can seat in the portion 15 of the containing body or can be mounted on the closing cover 16 of the same.
  • Fig. 8 provides elastic flaps 17 arranged on the support 1 that oppose the ends of the lever 11, while Fig. 9 shows elastic flaps 18 arranged on the lever 11 so as to oppose pins 19 provided on the cover 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Claims (7)

  1. Dispositif de verrouillage pour le couvercle de fermeture d'une machine à laver ou similaire, comprenant un panneau avant et un couvercle étanche articulé sur ledit panneau avant et pourvu d'un crochet (20) pour s'engager sur ledit dispositif de verrouillage, ledit dispositif de verrouillage comprenant un corps de confinement (1) monté sur ledit panneau et longeant un curseur (6), pourvu d'une ouverture (7) pour recevoir ledit crochet (20) et un dispositif ce retard (4) qui est à même de verrouiller ledit curseur (6) dans une position retenant ledit crochet (20), ledit dispositif de verrouillage étant caractérisé en ce qu'il comprend un levier (11) aménagé en correspondance de ladite ouverture (7) et raccordé audit corps (1) par des moyens (21) qui lui permettent de tourner et d'effectuer une translation axiale, et pourvu de moyens (13) pour empêcher la translation dudit curseur (6).
  2. Dispositif de verrouillage pour le couvercle de fermeture d'une machine à laver et similaire selon la revendication 1, caractérisé en ce que lesdits moyens de raccordement (21) comprennent des ressorts hélicoïdaux (12).
  3. Dispositif de verrouillage pour le couvercle de fermeture d'une machine à laver et similaire selon la revendication 1, caractérisé en ce que lesdits moyens de raccordement (21) comprennent des volets élastiques (17) agissant contre les extrémités dudit levier (11).
  4. Dispositif de verrouillage pour le couvercle de fermeture d'une machine à laver et similaire selon la revendication 1, caractérisé en ce que lesdits moyens de raccordement (21) comprennent des volets élastiques (18) aménagés sur ledit levier (11) qui sont en regard de broches (19) fixées à une coiffe (16) dudit corps de confinement (1).
  5. Dispositif de verrouillage pour le couvercle de fermeture d'une machine à laver et similaire selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit levier (11) présente un profil en forme de U.
  6. Dispositif de verrouillage pour le couvercle de fermeture d'une machine à laver et similaire selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdits moyens (13) empêchant la translation du curseur (6) comprennent une petite saillie (13) ou plus qui s'ajustent dans des évidements correspondants (9) dudit curseur (6).
  7. Dispositif de verrouillage pour le couvercle de fermeture d'une machine à laver et similaire selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit levier (11) est monté sur la coiffe (16) dudit corps de confinement (1).
EP08014334A 2008-08-12 2008-08-12 Dispositif de verrouillage pour la fermeture du couvercle de machines à laver Not-in-force EP2154287B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL08014334T PL2154287T3 (pl) 2008-08-12 2008-08-12 Urządzenie blokujące do pokrywy zamykającej pralek
EP08014334A EP2154287B1 (fr) 2008-08-12 2008-08-12 Dispositif de verrouillage pour la fermeture du couvercle de machines à laver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08014334A EP2154287B1 (fr) 2008-08-12 2008-08-12 Dispositif de verrouillage pour la fermeture du couvercle de machines à laver

Publications (2)

Publication Number Publication Date
EP2154287A1 EP2154287A1 (fr) 2010-02-17
EP2154287B1 true EP2154287B1 (fr) 2011-10-19

Family

ID=40262186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08014334A Not-in-force EP2154287B1 (fr) 2008-08-12 2008-08-12 Dispositif de verrouillage pour la fermeture du couvercle de machines à laver

Country Status (2)

Country Link
EP (1) EP2154287B1 (fr)
PL (1) PL2154287T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1398984B1 (it) * 2010-03-22 2013-03-28 Bitron Spa Dispositivo blocco-porta perfezionato.
ITTO20110564A1 (it) * 2011-06-28 2012-12-29 Bitron Spa Dispositivo blocca-porta, particolarmente per apparecchi elettrodomestici
EP3077581B1 (fr) 2013-12-04 2019-01-09 Illinois Tool Works Inc. Verrou d'appareil électrique antivol
US9957657B2 (en) * 2015-01-30 2018-05-01 Emz-Hanauer Gmbh & Co. Kgaa Appliance lock
IT201600072028A1 (it) * 2016-07-11 2018-01-11 Bitron Spa Assieme gancio-dispositivo blocco-porta perfezionato per elettrodomestici ed elettrodomestico provvisto di tale assieme.
CN108866970B (zh) * 2018-07-18 2020-12-18 温州天健电器有限公司 一种洗衣机门锁
DE102019005564B3 (de) * 2019-05-10 2020-09-17 Emz-Hanauer Gmbh & Co. Kgaa Türverschluss für ein elektrisches Haushaltsgerät

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791863A (fr) * 1971-11-26 1973-03-16 Rocchitelli Onofrio Appareil pour le verrouillage et le deverrouillage temporise dedispositifs de fermeture de portes de machines
DE10038376C2 (de) * 2000-08-07 2003-04-30 Zangenstein Elektro Türverriegelung für die Tür eines elektrischen Haushaltsgerätes
ITTO20050473A1 (it) * 2005-07-08 2007-01-09 Bitron Spa Dispositivo di ritenuta, particolarmente per una porta di un apparecchio elettrodomestico
DE102007008926B4 (de) * 2007-02-23 2010-07-22 Emz-Hanauer Gmbh & Co. Kgaa Verriegelungsvorrichtung für die Tür eines elektrischen Haushaltsgeräts
ITMI20070575A1 (it) * 2007-03-22 2008-09-23 Elettrotecnica Rold Srl Dispositivo di bloccaggio del portello di chiusura di macchine lavabiancheria e asciugabiancheria
ITMI20070601A1 (it) * 2007-03-26 2008-09-27 Elettrotecnica Rold Srl Dispositivo di bloccaggio del portello di chiusura di lavatrici
ITMI20071403A1 (it) * 2007-07-13 2009-01-14 Elettronica Rold S R L Dispositivo di bloccaggio del portello chiusura di lavatrici

Also Published As

Publication number Publication date
EP2154287A1 (fr) 2010-02-17
PL2154287T3 (pl) 2012-03-30

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