EP1199395B1 - Verrouillage refermable pour verrou de porte - Google Patents

Verrouillage refermable pour verrou de porte Download PDF

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Publication number
EP1199395B1
EP1199395B1 EP00122785A EP00122785A EP1199395B1 EP 1199395 B1 EP1199395 B1 EP 1199395B1 EP 00122785 A EP00122785 A EP 00122785A EP 00122785 A EP00122785 A EP 00122785A EP 1199395 B1 EP1199395 B1 EP 1199395B1
Authority
EP
European Patent Office
Prior art keywords
door
lockout
actuator
actuating member
release
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.)
Expired - Lifetime
Application number
EP00122785A
Other languages
German (de)
English (en)
Other versions
EP1199395A1 (fr
Inventor
Albert Dirnberger
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.)
Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA
Original Assignee
Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA
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 Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA filed Critical Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA
Priority to DE50010468T priority Critical patent/DE50010468D1/de
Priority to EP00122785A priority patent/EP1199395B1/fr
Publication of EP1199395A1 publication Critical patent/EP1199395A1/fr
Application granted granted Critical
Publication of EP1199395B1 publication Critical patent/EP1199395B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D06F37/26—Casings; Tubs
    • D06F37/28—Doors; Security means therefor

Definitions

  • the present invention generally relates to door locks for electrical appliances and in particular for washing machines, Tumble dryers and dishwashers. Particularly The present invention relates to a door lock with an integrated reclosing lockout for an electrical Device that prevents after opening a Door of the electrical appliance whose operation by renewed Closing the door continues.
  • reclosing lock In a known reclosing lock is a in the area the door arranged switch (door switch) used, the one Opening the door detected.
  • the control of the electrical device In this electrical solution is the control of the electrical device by means of the door switch controlled so that when reclosing the door a restart is prevented.
  • Another known reclosing lock will also be operated by the opening movement of the door.
  • a mechanical solution in which the door with a linkage cooperates so that a door opening means of the linkage a main switch (for example, start button, on / off switch) of an electrical device mechanically in a position brings the operation of the electrical device interrupts. To resume operation then the main switch be pressed again.
  • a main switch for example, start button, on / off switch
  • a door lock for household appliances when connected by means of a door lock, separate Actuator (Bowden cable) a main switch mechanically brought into a state of automatic Continuation of operation of the device after a renewed Closing the door prevented.
  • a disadvantage of the reclosing locks, by device doors be actuated, is that additional actuatable Components mounted in the door and / or the device housing Need to become. Furthermore, it is in the electrical solution required that the electrical device has an electrical Has control or electrically controllable components available are not mechanical about a main switch in its to bring actuated state.
  • the named use of a Linkage operated by door openings is constructive complex and sensitive to tolerances.
  • DE 196 28 723 A1 relates to an electrical household appliance, in particular an electric Dryer, with a drum for laundry and a means a door closable loading opening.
  • a motor driving the drum can be operated.
  • a reclosing lock can be used. The reclosing lock prevents in response to a transition of the door from its closed state to the open state an energy supply to the engine. To such a state transition To determine the door, a door contact is used, which then a corresponding Generates signal that activates the restart lock.
  • the reclosing lock activate via a mechanical connection.
  • the reclosing lock is activated only depending on door movements. As long as the Door is in its closed state, the reclosing lock can not be activated become. This is true regardless of how the door is held in its closed state becomes.
  • there is no activation of the reclosing lock in dependence of operating conditions of a device e.g. a latch that holds the door only holds in its closed state, allowing a user to open the door at any time can, the door locked in a closed state, leaving an opening of the user is not possible, and / or the door releases, allowing a user to release the door can open.
  • DE 39 19 458 A1 discloses a door lock for electrical appliances, also especially for tumble dryers. This door lock does not include a reclosing lock and in the following description of preferred embodiments explained in more detail.
  • Object of the present invention is a reclosing lock to provide for electrical equipment that the mentioned disadvantages of known solutions avoids and low Dimensions. Furthermore, it should enable the invention by means of the reclosing lock open and closed Positions of a door of an electrical device determine.
  • the invention provides a door lock with a reclosing lockout for an electrical Device, in particular a washing machine, a tumble dryer or a dishwasher, ready.
  • the door lock according to the invention has a locking device on, in a closed position a door of a electrical device locked and in an open position the door unlocked.
  • the locking device can, for example a rotary latch closure with a rotary member, the in a closed position with a nose to a closing piston can block and in an open position the closing piston releases, and a latch that is in a locked position blocked the rotary member in its closed position and in a release position, the rotary member for a rotary movement releases into its open position.
  • the locking device can also use a closure with longitudinal slide become.
  • the door lock according to the invention comprises a Reclosing lockout device in a release state the operation and in particular the recommissioning of the allows electrical device and in a locked state the Operation of the electrical device interrupts or recommissioning prevented.
  • a Reclosing lockout device in a release state the operation and in particular the recommissioning of the allows electrical device and in a locked state the Operation of the electrical device interrupts or recommissioning prevented.
  • a control signal of the electrical device used be, for example, by pressing a main switch or pressing an on / off button is generated, so operated, that the reclosure blocking device their Release state assumes.
  • actuators are electrically controlled actuators (e.g., mechanically acting actuators) Relays), electromagnetic components (e.g., magnets), piezostrictively operated units and the like.
  • the state change of the reclosing inhibitor becomes by means of at least for the period of Change of state existing mechanical active connection between the locking device and the reclosing lockout device caused.
  • the reclosing device comprises a first actuator incorporated in the Release state a release position and in the lock state assumes a blocking position.
  • actuates the first actuator a suitable signal generating switch or button.
  • the first actuator acts with the Switch or button in its release position and / or in its blocking position together.
  • a signal generated in this way can Also used to indicate if the door lock and thus the appliance door is open and / or closed.
  • the release state for the reclosing lockup device becomes by a movement of the first actuator achieved in its release position.
  • the actuator used the first actuator moved by the blocking position in its release position.
  • the door lock has a second Actuator on, in the closed position of the locking device a closed position and at the open position the locking device an opening position Has.
  • the lock state of the reclosing device be achieved by the locking device at a transition from its closed position to its open position cooperates with the second actuator, that the second actuator from its closed position brought into its open position and doing a change the position of the first actuator of the Release position caused in its locked position.
  • the locking device at a transition from its closed position to its open position the first actuator from its release position brings in the locked position, wherein the second actuator starting from its closed position in its open position is brought.
  • first and / or the second actuator are designed to the described interaction to ensure.
  • the first and / or the second actuating member formed driver Serve snaps, noses, etc.
  • a switch or push button can be used which, comparable to the switch actuatable by the first actuator or button, from the second actuator in its Closed position and / or its opening position actuated becomes.
  • the first actuator secured in its release position is supposed to be essentially independent of the locking device acting means required.
  • the detent spring can also be used to do that to hold the first actuator in its locked position.
  • the fuse in the locked position by means of a suitable operative connection with the locking device provided.
  • a backup of the second actuator in his Closed position and its opening position by means of a corresponding operative connection with the locking device be achieved.
  • a detent spring is used to the second actuator in his To keep closed position or in its open position.
  • a common device e.g. a Detent spring, used for securing the first actuator and the second actuator.
  • the components of the above described embodiments of the door lock according to the invention are integrated in a housing.
  • the invention is thus the reclosing lock in the lock or in its immediate vicinity and by the Locking element of the lock becomes the reclosing lock directly or indirectly in a first stable Location as well as by a solenoid in a second stable Location brought.
  • the invention enables, e.g. one Rotary latch closure or a closure with longitudinal slide in easy way to the function of a reclosing lock to expand. This makes it possible in simple and Cost effective way a reliable reclosing lock even in machines that only require simple electronics (or no electronics) have.
  • a Door lock is a partially shown in Fig. 1 partially Locking device 2 used.
  • a detailed Description of such, also as a rotary latch lock designated locking device is in the DE 39 19 458 A1 to find.
  • a rotary latch lock designated locking device is in the DE 39 19 458 A1 to find.
  • the locking device 2 has a about an axis of rotation. 4 rotatable rotary member 6 on. With one adjacent to a recess 8 arranged nose 10 blocks the rotary member 6 a Locking piston 12, when the rotary member in its in Fig. 1 shown closed position. In the closed position engages a pawl 14 with an angled nose 16 so in a slotted guide 18 of the rotary member 6 a, that the rotary member 6 is blocked in its closed position. In the in Fig. 1 shown state of the locking device. 2 may be a door (not shown) of an electrical device be locked.
  • the latch 14 To the locking device 2 to open the door to unlock, the latch 14 is brought into a release position, in which it releases the rotary member 6.
  • the Pawl 14 by means of a mechanical device, not shown brought into their release position or by means of Slotted guide 18 moves so that it is their release position occupies, if by a pressure on the door of the door Closing piston 12, the rotary member 6 of FIG. 1 in the clockwise direction emotional.
  • the rotary member 6 for a Rotary movement releases, the rotary member 6 by means of a not shown spring of FIG. 1 counterclockwise rotated, whereby the closing piston 12 is released. Then the appliance door can be opened.
  • the reclosing device generally designated 20 in FIG. 2 includes a first actuator 22, the order a rotation axis 24 is rotatably mounted.
  • the first actuator 22 has a first end on one side of the axis of rotation 24 26 and a second one opposite the first end 26 End 28 on, located on the other side of the axis of rotation 24 located.
  • first actuator 22 is in a locked position, the a locked state for the reclosing lockup device 20 characterized.
  • the dashed lines shown first actuator 22 is in a release position, the one Release state for the reclosing blocking device 20 are defined.
  • the Restart interlock device 20 When commissioning an electrical appliance in which the door lock is used, the door closed and thereby the locking device 2 from its open position is in its closed position, is the Restart interlock device 20 in its locked state, i. the first actuator 22 is in its blocking position.
  • a user of the electrical appliance controls this, for example, by pressing a switch or button.
  • a Force exerted on the first end 26 of the first actuator 22 in the direction of arrow P1 a Force exerted, whereby the first actuator 22 in his Release position is rotated. This position of the first actuator 22 is detected to the electrical device actually put into operation.
  • a switch 30, more precisely a micro-probe is used, the at the transition of the first actuator 22 of its blocking position released in its release position becomes.
  • the signal thus generated is a control, not shown of the electrical device, that the actuator 22 is in its release position and the electrical Device can be started.
  • the first actuator 22 for this purpose actuates the switch 30, when it goes into its release position.
  • the appliance door is opened and thereby the locking device 2 unlocks, movements become individual Components of the locking device 2 and in particular of the rotary member 6 used to contact the second end 28 of the first actuator 22 in the direction of arrow P2 a Exercise power.
  • the operation of the switch 30 (alternatively: the release of Switch 30) generates a signal that controls the electrical Gerates placed in a state in which the electrical Device can not be put back into operation or in which the operation is continued automatically, if the Door is closed again. To continue the operation Further action is required by the user, such as e.g. re-pressing an on / off switch or button.
  • the door lock shown in Fig. 3 has the locking device 2 of FIG. 1 on. Only the rotary member 6th is here referred to as the rotary member 6, more precisely its movements, for the operation of the reclosing blocking device 20 be used.
  • an electromagnet 32 is used, the means of a component, not shown, for rotation of the first actuator 22 cooperates with the first end 26. If under the above conditions and Movements the first rotary member 22 from its locked position is to be brought into its release position, the Electromagnet 32 driven with a pulse, so that with the first end 26 cooperating component of the electromagnet 32 releases the first end 26 when the first actuator 22 is in its release position. This release of the first end 26 allows unimpeded rotation of the first actuator 22 back to its blocking position.
  • the pulse control of the electromagnet 32 may also the signal generated by the switch 30 for controlling the Electromagnets 32 are used.
  • the spring 34 is provided with a spring end 36 by means of a clamping 38 on an inner side a housing (not designated) attached to the door lock.
  • the serving as a detent spring spring 34 has a catch 40 on.
  • a spring end 36 opposite free spring end 42 allows elastic movement of the spring 34 at Position changes of the first actuator 22nd
  • the first actuator 22 is at its second end 28 so designed such that the latch 40 in the release position in the second end 28 engages to the first actuator 22 in secure the release order. This backup of the first Actuator 22 avoids an undesirable transition in its locked position.
  • the spring 34 is also used to hold the first actuator 22 to hold in its locked position, the catch 40 engages in an end face 44 at the second end 28.
  • the door lock comprises a second actuator 50, which is also rotatably mounted about the rotation axis 24 is. At its the rotation axis 24 opposite end The second actuator 50 has an actuating tongue 52 on. Furthermore, on the second actuator 50 a Nose 54 and a driver 56 arranged.
  • the second actuator 50 fulfills two functions here, namely on the one hand the determination of the position of the locking device 2 and thus the state of the door and on the other hand, the introduction of force into the second end 28 of the first Actuator 22 to this from its release position to move into its locked position.
  • While the first actuator 22 is independent of the time to which the locking device 2 its closed position occupies, by means of the electromagnet 32 in its release position is brought, the positions of the second Actuator 50 in dependence of the positions of the locking device 2 changed.
  • the rotary member 6 is rotated and contacted thereby the actuating tongue 52. This is due to the second actuator 50 exerted a force in the direction of the arrow P2, the one rotation of the same in FIG. 3 counterclockwise caused.
  • the second actuator 50 In a lock of the locking device 2, i. a transition from the open position to the closed position, is the second actuator 50 by means of a not illustrated spring from the ⁇ réellespositioh described above brought into a closed position. This is the previously actuated by the nose 54 switch enabled, creating a Signal is generated, which is a completed closure of the door indicates.
  • the position change of the second actuator 50 used spring force can, comparable to the spring of the switch 30, by a spring of cooperating with the nose 54 Switch be generated.
  • the second is Actuator 50 in its closed position and the locking device 2 in its closed position.
  • the first actuator 22 is, as described above, so long in its blocking position, until it by means of the electromagnet 32 moved to its release position and there from the Locking spring 34 is secured. After that, the electrical device be put into operation.
  • the door is opened again and thus the locking device 2 is brought into its open position, As explained above, the second actuator 50 from his Closed position moved to its open position. Contacted the driver 56, the first actuator 22 in one Area at the second end 28. This causes a rotation of the first actuator 22 from its release position in its blocking position. That when reaching the locked position of first actuator 22 generated by the switch 30 Signal is then used to create an unwanted, automatic To avoid re-commissioning of the electrical appliance if the device is closed again. 722027246924

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

Claims (15)

  1. Verrou de porte avec verrouillage refermable pour un appareil électrique, en particulier une machine à laver, un sèche-linge ou un lave-vaisselle, avec :
    un dispositif formant verrou (2), qui, dans une position fermée, verrouille une porte d'un appareil électrique et, dans une position ouverte, déverrouille la porte, et
    un dispositif formant verrouillage refermable (20), qui, dans un état libéré, libère le fonctionnement de l'appareil électrique et, dans un état verrouillé, empêche le fonctionnement de l'appareil électrique,
       caractérisé en ce que
    le dispositif formant verrou (2), en passant de la position fermée à la position ouverte, amène le dispositif formant verrouillage refermable (20) de l'état libéré à l'état verrouillé.
  2. Verrou de porte selon la revendication 1,
    caractérisé en ce que
    le dispositif formant verrouillage refermable (20) passe à l'état libéré, lorsque l'appareil électrique est commandé de manière correspondante en vue du fonctionnement de celui-ci.
  3. Verrou de porte selon l'une des revendications précédentes, caractérisé en ce que
    le dispositif formant verrouillage refermable (20) comporte un premier élément d'actionnement (22), qui possède à l'état libéré une position libérée et à l'état verrouillé une position verrouillée.
  4. Verrou de porte selon l'une des revendications précédentes,
       caractérisé en ce que
    le premier élément d'actionnement (22) actionne, en fonction de sa position libérée et/ou verrouillée, un premier interrupteur.
  5. Verrou de porte selon l'une des revendications 2 à 4, caractérisé en ce que
    un actionneur (32) déplace le premier élément d'actionnement (22) de la position verrouillée à la position libérée.
  6. Verrou de porte selon l'une des revendications précédentes, caractérisé par
    un second élément d'actionnement (50), qui, dans la position fermée du dispositif formant verrou (2), présente une position fermée et, dans la position ouverte du dispositif formant verrou (2), une position ouverte.
  7. Verrou de porte selon l'une des revendications 3 à 6, caractérisé en ce que
    le dispositif formant verrou (2), en passant de la position fermée à la position ouverte, amène le premier élément d'actionnement (22) dans sa position verrouillée.
  8. Verrou de porte selon la revendication 6,
    caractérisé en ce que
    le dispositif formant verrou (2), en passant de la position fermée à la position ouverte, amène le premier élément d'actionnement (22), au moyen du second élément d'actionnement (50), dans sa position verrouillée.
  9. Verrou de porte selon la revendication 6 ou 7 dans la mesure où cela est lié à la revendication 3,
    caractérisé en ce que
    le premier élément d'actionnement (22), en passant de sa position libérée à sa position verrouillée, amène le second élément d'actionnement (50) dans sa position ouverte.
  10. Verrou de porte selon l'une des revendications 6 à 9, caractérisé en ce que
    le second élément d'actionnement (50), lorsque le dispositif format verrou (2) passe de la position ouverte à la position fermée, occupe la position fermée.
  11. Verrou de porte selon l'une des revendications 6 à 10, caractérisé en ce que
    le second élément d'actionnement (50) actionne, en fonction de sa position fermée et/ou de sa position ouverte, un second interrupteur.
  12. Verrou de porte selon l'une des revendications 3 à 11, caractérisé par
    un ressort à cran d'arrêt (34), qui maintient le premier élément d'actionnement (22) dans les positions libérée et/ou verrouillée.
  13. Verrou de porte selon l'une des revendications 6 à 11, caractérisé par
    un ressort à cran d'arrêt (34), qui maintient le second élément d'actionnement (50) dans les positions fermée et/ou ouverte.
  14. Verrou de porte selon la revendication 12 ou 13 dans la mesure où cela est lié aux revendications 3 et 6, caractérisé par
    le ressort à cran d'arrêt (34), qui maintient le premier et le second éléments d'actionnement (22, 50) dans les positions libérée et/ou verrouillée ainsi que les positions fermée et/ou ouverte.
  15. Verrou de porte selon l'une des revendications précédentes, caractérisé en ce que
    le dispositif formant verrou (2) et le dispositif formant verrouillage refermable (20) sont intégrés dans un logement de façon modulaire.
EP00122785A 2000-10-19 2000-10-19 Verrouillage refermable pour verrou de porte Expired - Lifetime EP1199395B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE50010468T DE50010468D1 (de) 2000-10-19 2000-10-19 Türverriegelung mit Wiedereinschaltsperrung
EP00122785A EP1199395B1 (fr) 2000-10-19 2000-10-19 Verrouillage refermable pour verrou de porte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00122785A EP1199395B1 (fr) 2000-10-19 2000-10-19 Verrouillage refermable pour verrou de porte

Publications (2)

Publication Number Publication Date
EP1199395A1 EP1199395A1 (fr) 2002-04-24
EP1199395B1 true EP1199395B1 (fr) 2005-06-01

Family

ID=8170134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00122785A Expired - Lifetime EP1199395B1 (fr) 2000-10-19 2000-10-19 Verrouillage refermable pour verrou de porte

Country Status (2)

Country Link
EP (1) EP1199395B1 (fr)
DE (1) DE50010468D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109505097A (zh) * 2019-01-18 2019-03-22 温州天健电器有限公司 一种洗衣机锁定装置以及洗衣机

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2017664A1 (de) * 1970-04-14 1971-10-28 Trumpf Schloss U Beschlagfabri Elektromagnetisch entriegelbarer Verschluß für Waschautomaten od.dgl
US4342476A (en) * 1980-07-24 1982-08-03 Eaton Corporation Electromechanical lid latch assembly
DE3919458C2 (de) * 1989-06-14 1996-04-04 Zangenstein Elektro Türverriegelung für elektrische Geräte, insbesondere Wäschetrockner
DE19601230C2 (de) * 1996-01-15 2002-03-21 Zangenstein Elektro Türverriegelung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109505097A (zh) * 2019-01-18 2019-03-22 温州天健电器有限公司 一种洗衣机锁定装置以及洗衣机
CN109505097B (zh) * 2019-01-18 2021-01-26 温州天健电器有限公司 一种洗衣机锁定装置以及洗衣机

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Publication number Publication date
DE50010468D1 (de) 2005-07-07
EP1199395A1 (fr) 2002-04-24

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