EP3119936B1 - Dispositif de verrouillage de porte à libération combinée - Google Patents
Dispositif de verrouillage de porte à libération combinée Download PDFInfo
- Publication number
- EP3119936B1 EP3119936B1 EP15717815.3A EP15717815A EP3119936B1 EP 3119936 B1 EP3119936 B1 EP 3119936B1 EP 15717815 A EP15717815 A EP 15717815A EP 3119936 B1 EP3119936 B1 EP 3119936B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking device
- household appliance
- operating
- door locking
- electrical
- 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.)
- Active
Links
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000004044 response Effects 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 9
- 230000003213 activating effect Effects 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
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
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4251—Details of the casing
- A47L15/4257—Details of the loading door
- A47L15/4259—Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
-
- 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
Definitions
- the present invention relates to a combined release door locking device for household appliances, in particular to a combined release door locking device for washing machines; as well as to household appliances equipped with such a device.
- Many household appliances have doors for accessing the operating compartment; a user opens such a door to load the operating compartment, closes it to start the working cycle of the household appliance and opens it again to unload the operating compartment once the working cycle has ended.
- Such household appliances integrate door locking devices to prevent undesired releases of the door during the working cycle.
- the door locking devices of self-cleaning ovens prevent releasing of the door during the cleaning cycle.
- the respective devices prevent the releasing of the door during the washing cycle.
- the mechanical safety means act in these cases to guarantee the closing of the doors to protect the users.
- Household appliance manufacturers fit door locking devices as a function of the safety standards to be respected in the countries in which they intend to sell, and of the accessory functions to be implemented on their products. For example, many manufacturers provide the electrically controlled door release by pressing a button in addition to "manual" safety releases. Such different solutions require the availability of a multitude of door locking device models.
- the known door locking devices are structurally different according to the implemented release functions.
- One product range comprises door locking devices with the same features, and thus with the same implemented release functions.
- the manufacturers of such devices must thus provide several ranges of products to guarantee the required availability to household appliance manufacturers.
- household appliances manufacturers must choose the model of device with which to equip their products according to the functions to be conferred and the standards to which they are subjected.
- Such a solution is particularly disadvantageous both for door locking device manufacturers and for household appliance manufacturers. In this manner, the first must foresee a multitude of combinations to determine which devices to produce; the second must consider the concerned markets in advance and the standards to be respected to decide which devices to purchase and stock.
- a first specific object of the present invention is to make a modular door locking device, i.e. which can be selectively configured to implement multiple releases.
- a second object of the present invention is to make a door locking device which can be adapted to any type of household appliance which it equips.
- the inventive idea underlying the present invention relates to a door locking device designed to cooperate with multiple releasing modules, wherein such modules are installed as a function of the releases which the devices must guarantee.
- the invention thus relates to a door locking device according to claim 1.
- figure 1 is a combined release door locking device 1 according to the present invention.
- the device 1 is intended for household appliances, and in particular is developed for guaranteeing the safety closing and combined release of washing machine doors.
- the expression “combined release” indicates the function according to which such a device may release the household appliance door in response to a multitude of different opening commands. For example, a manually opening release control, an electric manual release control and an automatic electric release control.
- the door locking device comprises locking means 5 adapted to reversibly engage door coupling means 40 of the household appliance which equips such a device.
- Such locking means 5 can be activated in an engaging position, in which the door is closed, and in a disengaging position, in which the door is released.
- the device 1 comprises a plurality of interfaces 10 operatively connected to the locking means 5.
- Each of the interfaces 10 is respectively adapted to selectively receive multiple releasing modules 30 for activating the locking means 5 from the engaging position to the disengaging position. In this manner, the multiple releasing modules 30 can be installed for implementing one or more of the required desired controls.
- the device comprises emergency unlocking means 85 which can be operated by the user to open the door in case of lack of electrical power of the household appliance.
- the locking means 5 retain the coupling means 40 of the household appliance door.
- the coupling means 40 are integral to the household appliance door and are generally an eyelet hook shaped.
- the locking means 5 assume the engaging condition when the household appliance door is closed, e.g. during the washing cycle of the household appliance.
- the device comprises a supporting surface 6 on which the interfaces 10 are obtained.
- the locking means 5 comprise an operating wheel 8 rotational about a transverse axis to assume the two engaging and disengaging positions, which correspond to two different angular positions of such a wheel.
- the coupling means 40 emerge from a mouth 7 obtained on the supporting surface 6 to be engaged by the operating wheel.
- Figure 2 again shows an embodiment of a device 1 comprising a mechanical manually operated interface 11; a electrical manually operated interface 12 and an electrical automatic operating interface 13. All three interfaces 11, 12 and 13 are operatively connected to the locking means 5 to activate them from the engaging condition to the disengaging condition and thus to obtain the release.
- the mechanical manually operated interface 11 comprises first operating means 21 operatively connected to the locking means 5.
- the electrical manually operated interface 12 comprises second operating means 22 operatively connected to the locking means 5.
- the electrical automatically operated interface 13 comprises third operating means 23 operatively connected to the locking means 5.
- the interfaces 11, 12 and 13 receive the releasing modules, which may be installed selectively according to the releasing control to be implemented. Indeed, the releasing modules allow to activate the operating means of the respective interface on which they are installed, in response to the corresponding releasing control.
- the multiple releasing modules 30 comprise: a manual releasing module 31; an electrical manual or automatic releasing module 32 and a door locking and unlocking module 33.
- the plurality of interfaces 10 are operatively connected to locking means 5 via first moving means 57, which are connected to the locking means 5 themselves. Furthermore, the locking means 5 are also coupled to second moving means 58 to activate them from the engaging position to the disengaging position.
- Figures 3 and 4 show an embodiment of the locking means 5 and their interaction with the first and second moving means 57 and 58.
- the locking means 5 comprise an operating wheel 8 pivoting on the supporting surface 6.
- the operating wheel 8 comprises a seat 50 for housing a portion of the coupling means 40, a first coupling cam 8a, a second coupling cam 8b and a tooth 8c.
- the first moving means 57 comprise: a compensation spring 51 which has a first end abutting against a wall portion which delimits the combined release door locking device 1, and a second end, opposite to the first, combined with a compensation lever 52; an operating slider 53 operatively coupled to a first return spring 54; an auxiliary slider 55 operatively coupled to a second return spring 56.
- the moving means 58 comprise a torsion spring.
- the compensation lever 52 translates from a resting position to an operating position according to a predetermined trajectory obtained by means of a guiding pin restrained to the supporting surface 6.
- the compensation lever 52 operates on the first operating cam 8a. Furthermore, the compensation lever 52 interacts with the operating slider 53.
- the compensation spring 51 further allows to return the compensation lever 52 to the resting position.
- the operating slider 53 translates from a resting position to an operating position according to the directions shown by the arrow 150, acts on the second coupling cam 8b (shown in figure 4 ) and tends to be returned to the resting position by the first return spring 54.
- the auxiliary slider 55 translates according to the engagement and disengagement directions 150 of the coupling means 40 (according to the methods which will be described below) and by effect of the return of the second return spring 56, further interacts with the operating slider 53.
- the torsion spring 58 is compressed and abuts against a wheel portion 8.
- the compensation lever 52 is in contact with a first side of the lobe of the first operating cam 8a.
- the slider 53 is in an advanced position and a portion is in contact with a first side of the lobe of the second cam 8b.
- An appendix 52b of the compensation lever is in contact with an abutting element 53b of the slider.
- the wheel 8 is in an angular closing position.
- the wheel 8 In the disengaging position shown in figure 4 , the wheel 8 is in an angular releasing position and is retained in such a position of the spring 58 in expanded condition, which acts on the tooth 8c.
- the multiple releasing modules 30 installed on the interfaces 10 activate the respective operating means in response to corresponding release control.
- the operating means of the interfaces 10 activate the moving means 57 of the locking means to release the coupling means 40 and allow the opening of the household appliance door.
- Figure 5 shows an embodiment of a device according to the present invention.
- the illustrated multiple releasing modules 30 comprise:
- the first-module 31 can be installed on the mechanical manually operated interface 11.
- the electrical manual releasing module 32 can be installed on the electrical manual operating interface 12.
- the door locking-unlocking module 33 can be installed on the electrical automatic operating interface 13.
- the three interfaces 11, 12 and 13 are shaped to receive the first, the second and third module, respectively. In this manner, errors caused by the incorrect assembly of a module on an interface for which it is not intended, are excluded. Furthermore, each opening module may be installed on the respective interface regardless of the others.
- the manual releasing module 31 comprises a first operating assembly 310 connected to a first control element 70 external to the household appliance and to the first operating means 21 of the locking element 5.
- the assembly is adapted to operate the first operating means 21 in response to the activation of the first control element 70.
- the operating assembly 310 comprises a manual releasing moveable slide sliding between a resting position ( figure 6 ) and an operating position ( figure 7 );
- the control element 70 comprises a cable to which traction can be applied from the outside of the household appliance.
- the operating means 21 are connected to the compensation lever 52 by means of its connection bridge 52c. In particular, the operating means 21 are restrained to the connecting bridge 52c by means of a pin.
- Figure 7 shows part of the combined release door locking device 1 after releasing by exploiting to the manual releasing module 31.
- a user applies a force on the cable 70 according to the direction indicated by the arrow with reference numeral 200.
- the manual releasing moveable slide 310 translates in linear manner (in the sense indicated by the arrow 200 ), the first operating means 21, by means of the connecting bridge 52c fed the compensation lever 52.
- the latter works on the operating cam 8a and takes the operating wheel 8 to the second angular disengaging position.
- the manual opening moveable slide After opening and when the traction which ends on the cable 70 is interrupted, the manual opening moveable slide returns to the resting position by effect of the return springs connected to it.
- the first operating means 21 comprise a supporting plate provided with a hole adapted to receive the connecting pin to the bridge 52c.
- Figures 8 and 9 show the releasing made by means of the manual electrical releasing module 32.
- the manual electrical releasing module 32 comprises a second operating assembly 320, said second assembly connected to a second unlocking element external to the household appliance 22, the assembly 320 adapted to operate the second operating means 22 in response to the operation of said external unlocking element.
- the external unlocking element comprises a button adapted to supply an electrical control to the electrical manual releasing module 32.
- the second operating assembly 320 comprises a solenoid coupled to a moveable core, the operating means 22 comprise an actuator connected to the moveable core to the bridge 52c of the compensation lever 52.
- the connection between actuator (i.e. second operating means 22 ) and the moveable core comprises a spring.
- the solenoid of the assembly 320 when the solenoid of the assembly 320 produces a magnetic field in response to an electrical pulse supplied by means of the provided button (not shown in figure), the magnetic field attracts the moveable core, which in turn feeds the actuator according to the direction shown by reference numeral 300.
- the actuator connected to the bridge 52c moves the compensation lever 52, according to the direction indicated with reference numeral 301.
- the compensation lever by means of the appendix 52b, moves the slider 53 according to the direction indicated by reference numeral 302.
- the operating wheel 8 is thus free to rotate, in the sense indicated by reference numeral 303, by effect of the thrust force applied on the spring 58 which acts on the tooth 8c.
- the coupling means 40 may be freed from the seat 50 of the operating wheel 8.
- the third door locking-unlocking module 33 comprises a third operating assembly 43 connected to an electronic control unit of the household appliance and to third operating means 23 (not shown in figure 10 ).
- the third assembly 43 is adapted to operate the third operating means 23 in response to a control signal received from the electronic unit.
- the third operating assembly 43 comprises an electrical unit connected to the electronic control unit of the household appliance.
- the electric unit controls an actuator 430, a locking latch 431 and an operating cam (not shown in figure).
- the slider 53 comprises a seat 59 ( figure 8 ) to receive the locking latch 431 and a profile to house the actuator 430.
- the electronic control unit of the household appliance controls the third assembly 43 for retaining the locking means 5 in the engaging position.
- such a control is implemented by controlling the operating cam by means of the actuator 430, and then by engaging the seat 59 of the slider 53 with the locking latch 431.
- the present invention is further related to a household appliance, in particular a washing machine, comprising closing door of an operating compartment of the household appliance equipped with a door locking device described above.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Claims (11)
- Dispositif de verrouillage de porte à libération combinée (1), du type adapté pour équiper un appareil électroménager, de telle sorte qu'une porte dudit appareil électroménager peut être libérée en réponse à une multitude d'instructions d'ouverture, comprenant
des moyens de verrouillage (5) adaptés pour s'engager de façon réversible avec des moyens de couplage (40) de ladite porte, lesdits moyens de verrouillage (5) étant activés dans une position d'engagement, où ladite porte est fermée, et dans une position de dégagement, où ladite porte est libérée, ledit dispositif (1) comprenant une pluralité d'interfaces (10), caractérisé en ce que ladite pluralité d'interfaces (10) comprend : une interface mécanique actionnée manuellement (11) ; une interface électrique actionnée manuellement (12) et une interface électrique à actionnement automatique (13) ; et dans lequel les trois interfaces sont connectées de manière opérationnelle auxdits moyens de verrouillage (5), lesdites interfaces (10) étant respectivement adaptées pour recevoir sélectivement de multiples modules de libération (30) pour activer lesdits moyens de verrouillage (5) de ladite position d'engagement à ladite position de désengagement. - Dispositif de verrouillage de porte à libération combinée (1) selon la revendication 1,
dans lequel ladite interface mécanique actionnée manuellement (11) comprend des premiers moyens d'actionnement (21) couplés de manière opérationnelle auxdits moyens de verrouillage (5). - Dispositif de verrouillage de porte à libération combiné (1) selon la revendication 1 ou 2,
dans lequel ladite interface électrique actionnée manuellement (12) comprend des deuxièmes moyens de fonctionnement (22) couplés de manière opérationnelle auxdits moyens de verrouillage - Dispositif de verrouillage de porte à libération combinée (1) selon la revendication 1 ou 2 ou 3,
dans lequel ladite interface électrique actionnée manuellement (13) comprend des troisièmes moyens d'actionnement (23) couplés de manière opérationnelle auxdits moyens de verrouillage (5). - Dispositif de verrouillage de porte à libération combinée (1) selon l'une des revendications 1 à 4,
dans lequel ladite pluralité d'interfaces (10) est couplée de manière opérationnelle auxdits moyens de verrouillage (5) au moyen de premiers moyens de déplacement (57), et lesdits moyens de verrouillage (5) sont en outre couplés de manière opérationnelle à des seconds moyens de déplacement (58) pour déplacer lesdits moyens de verrouillage (5) de ladite position d'engagement à ladite position de désengagement. - Dispositif de verrouillage de porte à libération combinée (1) selon l'une des revendications 1 à 5,
dans lequel lesdits modules de libération (30) comprennent :- un module de libération manuelle (31) ;- un module de libération manuelle électrique (32), et- un module de verrouillage-déverrouillage de porte (33) . - Dispositif de verrouillage de porte à libération combinée (1) selon la revendication 6, dans lequel ledit module de libération manuelle (31) peut être installé sur ladite interface mécanique actionnée manuellement (11), ledit module de libération manuelle électrique (32) peut être installé sur ladite interface électrique actionnée manuellement (12) et ledit module de libération automatique électrique (33) peut être installé sur ladite interface électrique actionnée automatiquement (13).
- Dispositif de verrouillage de porte à libération combinée (1) selon l'une des revendications 6 et 7, lorsque dépendante de la revendication 2,
dans lequel ledit module de libération manuelle (31) comprend un premier ensemble d'activation, ledit premier ensemble d'activation étant connecté à un premier élément de commande (70) externe audit appareil ménager et auxdits premiers moyens d'actionnement (21), ledit ensemble d'activation étant adapté pour actionner lesdits premiers moyens d'actionnement en réponse à l'activation dudit premier élément de commande externe audit appareil ménager. - Dispositif de verrouillage de porte à libération combinée (1) selon l'une des revendications 6 à 8, lorsque dépendante de la revendication 3,
dans lequel ledit module de libération manuelle électrique (32) comprend un deuxième ensemble d'activation, ledit deuxième ensemble d'activation étant connecté à un second élément de déverrouillage externe audit appareil électroménager et auxdits deuxièmes moyens d'actionnement (22),
ledit ensemble d'activation étant adapté pour actionner lesdits deuxièmes moyens d'actionnement (22) en réponse à l'activation dudit second élément de déverrouillage externe audit appareil ménager. - Dispositif de verrouillage de porte à libération combinée (1) selon l'une quelconque des revendications 6 à 9, lorsque dépendante de la revendication 4,
dans lequel ledit module de verrouillage-déverrouillage de porte (33) comprend un troisième ensemble d'activation (43) connecté à une unité de commande électronique dudit appareil électroménager et aux troisièmes moyens d'actionnement (23), ledit troisième ensemble (43) étant adapté pour actionner lesdits troisièmes moyens d'actionnement (23) en réponse à un signal de commande reçu de ladite unité de commande électronique. - Appareil électroménager, en particulier une machine à laver, comprenant une porte pour fermer un compartiment de fonctionnement dudit appareil ménager, caractérisé en ce qu'il comprend un dispositif de verrouillage de porte à libération combinée (1) de ladite porte selon l'une des revendications 1 à 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15717815T PL3119936T3 (pl) | 2014-03-21 | 2015-03-20 | Ustalacz drzwi zwalniania łącznego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20140478 | 2014-03-21 | ||
PCT/EP2015/055959 WO2015140306A1 (fr) | 2014-03-21 | 2015-03-20 | Dispositif de verrouillage de porte à libération combinée |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3119936A1 EP3119936A1 (fr) | 2017-01-25 |
EP3119936B1 true EP3119936B1 (fr) | 2018-05-09 |
Family
ID=50819826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15717815.3A Active EP3119936B1 (fr) | 2014-03-21 | 2015-03-20 | Dispositif de verrouillage de porte à libération combinée |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3119936B1 (fr) |
PL (1) | PL3119936T3 (fr) |
WO (1) | WO2015140306A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200354993A1 (en) * | 2019-05-10 | 2020-11-12 | Emz-Hanauer Gmbh & Co. Kgaa | Door lock for a domestic electrical appliance |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102512205B1 (ko) | 2016-02-18 | 2023-03-22 | 삼성전자주식회사 | 도어 락킹장치 및 이를 갖는 세탁기 |
ITUA20161462A1 (it) | 2016-03-08 | 2017-09-08 | Illinois Tool Works | Blocco-porta con rilevamento porta |
CN207960222U (zh) * | 2016-07-06 | 2018-10-12 | 伊利诺斯工具制品有限公司 | 门锁 |
IT201600130683A1 (it) | 2016-12-23 | 2018-06-23 | Illinois Tool Works | Blocco-porta con un cursore di rilevamento gancio con sicurezza addizionale |
IT201700099948A1 (it) * | 2017-09-06 | 2019-03-06 | Elettrotecnica Rold Srl | Dispositivo per la chiusura e apertura di sportelli, in particolare di sportelli di elettrodomestici quali lavatrici o simili |
PL3714093T3 (pl) * | 2017-11-23 | 2022-02-14 | Elettrotecnica Rold S.R.L. | Urządzenie do zamykania i otwierania paneli, w szczególności paneli elektrycznych urządzeń gospodarstwa domowego takich, jak pralki i tym podobne |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20040160U1 (it) * | 2004-12-21 | 2005-03-21 | Bitron Spa | Dispositivo blocca-porta, particolarmente per un apparecchio elettrodomestico |
IT1392337B1 (it) * | 2008-12-19 | 2012-02-28 | Indesit Co Spa | Macchina per lavare e/o asciugare biancheria con blocco porta |
AU2010206057C1 (en) * | 2009-07-31 | 2013-05-02 | Lg Electronics Inc. | Laundry treatment machine and control method thereof |
WO2011031845A1 (fr) * | 2009-09-10 | 2011-03-17 | Illinois Tool Works Inc. | Verrou d'appareil ménagé avec capteur mécanique de porte |
-
2015
- 2015-03-20 PL PL15717815T patent/PL3119936T3/pl unknown
- 2015-03-20 EP EP15717815.3A patent/EP3119936B1/fr active Active
- 2015-03-20 WO PCT/EP2015/055959 patent/WO2015140306A1/fr active Application Filing
Non-Patent Citations (1)
Title |
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None * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200354993A1 (en) * | 2019-05-10 | 2020-11-12 | Emz-Hanauer Gmbh & Co. Kgaa | Door lock for a domestic electrical appliance |
US11624209B2 (en) * | 2019-05-10 | 2023-04-11 | Emz Hanauer Gmbh & Co. Kgaa | Door lock for a domestic electrical appliance |
Also Published As
Publication number | Publication date |
---|---|
WO2015140306A1 (fr) | 2015-09-24 |
PL3119936T3 (pl) | 2018-11-30 |
EP3119936A1 (fr) | 2017-01-25 |
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