EP3686384B1 - Door lock for a door, in particular a washing machine - Google Patents
Door lock for a door, in particular a washing machine Download PDFInfo
- Publication number
- EP3686384B1 EP3686384B1 EP19153955.0A EP19153955A EP3686384B1 EP 3686384 B1 EP3686384 B1 EP 3686384B1 EP 19153955 A EP19153955 A EP 19153955A EP 3686384 B1 EP3686384 B1 EP 3686384B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- armature
- locking
- locking device
- crown
- 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
- 238000005406 washing Methods 0.000 title claims description 20
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000007779 soft material Substances 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
Images
Classifications
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- 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
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
- E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
- E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C3/00—Fastening devices with bolts moving pivotally or rotatively
- E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
- E05C3/16—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
- E05C3/22—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled
- E05C3/24—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled in the form of a bifurcated member
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- 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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0025—Devices for forcing the wing firmly against its seat or to initiate the opening of the wing
-
- 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
- E05B2047/0072—Operation
- E05B2047/0081—Same pulse to lock or unlock
-
- 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
- E05B2047/0084—Key or electric means; Emergency release
- E05B2047/0086—Emergency release, e.g. key or electromagnet
Definitions
- the invention relates to a door locking device for a door, in particular for a door of a washing machine, with a pivotable rotary latch for a door hook, the pivotable rotary latch being arranged on a pivoting body, the rotary latch having a recess for receiving a locking body for the rotary latch, with a locking body is provided for locking the rotary latch in its closed position, the locking body being connected to an armature, the armature being surrounded by a coil that can be energized and when the coil is energized, the armature and the locking body can be moved linearly or are moved in the closed position of the rotary latch, so that the locking body is arranged or can be arranged in a blocking position in the recess of the rotary latch.
- the invention also relates to a use of the door locking device.
- a rotary latch is used to lock a door or flap or the like in order to hold the door or flap in a closed position.
- the rotary latch has a recess which, in the closed position, accommodates a locking bolt or striker during the closing movement of the door, the rotary latch being pivoted for locking in a locking position such that the movement of the locking bolt or striker is blocked.
- a pawl or the like is provided in order to prevent the pivoting of the rotary latch into the unlocked position releasing the locking bolt or locking bracket.
- DE 198 28 830 A1 a washing machine which has a door and a closure which has an electromagnetic opening device and an emergency release device which can be actuated via a pulling device. Furthermore, in DE 198 48 275 A1 a device for locking a door of a household appliance, in particular a washing machine, is described.
- DE DE 2 029 262 A1 discloses a closure for washing machines, the closure having a fork latch. Also shows US 9,267,315 B2 a door safety lock with a rotary latch, wherein in the closed position of a rotary latch a stopper pin is arranged behind a flank of the rotary latch by a laterally arranged magnetic drive.
- the object of the invention is to provide a simply constructed and inexpensive door lock, in particular for a washing machine.
- a door locking device for a door in particular for a door of a washing machine, with a pivotable rotary latch for a door hook, the pivotable rotary latch being arranged on a pivoting body, the rotary latch having a recess for receiving a locking body for the rotary latch, wherein a locking body is provided for locking the rotary latch in its closed position, wherein the locking body is connected to an armature, the armature is surrounded by a coil that can be energized and when the coil is energized, the armature and the locking body can be moved or moved linearly in the closed position of the rotary latch so that the locking body is or can be arranged in a locking position in the recess of the rotary latch, the anchor being connected to a locking clamping mechanism for the locking body using a plunger, which is further developed in that the locking clamping mechanism has a crown connected to the plunger and a turning crown cooperating with the crown and connected to the latch body.
- the invention is based on the idea that when energized a
- the coil surrounded by the coil armature is linearly movable, wherein the armature is moved to its rest position by means of a spring when not energized or is movable.
- An actuator is provided or formed by means of the armature and the coil, wherein it is not necessary to switch over a power source for the coil in order to lock and unlock the door, for example of a washing machine.
- This achieves a simple structure, for example, because compared to the prior art, in which complex and expensive reversing magnets are used for locking mechanisms for washing machines, the locking mechanism or door locking device according to the invention is designed without yokes and without permanent magnets.
- the door locking device advantageously has only one coil for the armature to be moved.
- a development of the door locking device is characterized in that an armature spring is provided for the armature, with the armature spring in particular being set up to hold the armature in a rest position when the coil is not energized and to counteract the linear movement of the armature when the coil is energized .
- the door locking device provides for the armature to be connected to a clamping mechanism for the locking body using a plunger.
- the tensioning mechanism is set up in such a way that when the coil is energized by means of the armature of the door locking device that is moved as a result, the locking body is moved into a locked position and is positioned or held in the locking position by means of the tensioning mechanism, even if the coil is not after the linear movement of the armature is or is more energized.
- the locking mechanism has a crown connected to the plunger and a rotary crown that interacts with the crown and is connected or interacts with the locking body.
- the plunger and/or the locking mechanism in particular the crown and the rotary crown of the locking mechanism, are accommodated in a guide tube. This results in improved guidance of the ram and the locking mechanism, in particular the crown and the rotating crown inside the guide tube.
- an embodiment of the door locking device is characterized in that to unlock the locked position of the locking body by further energizing the coil, the armature can be moved linearly or is moved, so that the locking body is moved out of the locked position.
- An unlocking spring acting on the locking body is advantageously provided, the unlocking spring being set up to press the locking body into an unlocking position or rest position.
- the rotary latch is biased by means of a spring provided on the swivel body in the closed position of the rotary latch.
- a preload is brought about by means of the spring, as a result of which the door or the lid, for example of a washing machine, is pressed into a seal of the door opening.
- the spring or the spring mechanism advantageously continues to press the door into the seal with a constant force, as a result of which the sealing force is kept constant for a long time.
- one embodiment provides that the spring of the pivoting body for the rotary latch is arranged between two spaced-apart holding pieces, with a first holding piece being rotatably connected to the rotary latch and the second holding piece being pivotably mounted about a pivot axis.
- the pivot axis of the rotary latch and the pivot axis of the pivot body are preferably aligned parallel to one another.
- the armature is advantageously made of a soft magnetic material.
- an embodiment of the door locking device is characterized in that an emergency release body that can be actuated manually is provided on the anchor.
- an emergency release body that can be actuated manually is provided on the anchor.
- the door locking device is arranged in a housing, which simplifies installation of the door locking device, for example in a washing machine, yields.
- a door locking device described above for a door in a washing machine or a household appliance.
- a door is also understood to mean a cover or a flap of a washing machine, which can also be locked in a corresponding manner by means of the locking device.
- a perspective view of a door locking device 10 is shown schematically.
- a cross section through the door locking device 10 is shown schematically.
- the door locking device 10 can be part of a washing machine.
- the door locking device 10 serves to lock a door or a cover that is connected to a door hook 60 .
- the door locking device 10 has a housing 12 .
- a coil 14 which can be energized and which surrounds an armature 16 which can be moved linearly is provided in the interior of the housing 12 .
- the energizable coil 14 is connected to a switchable current source, not shown here.
- the armature 16 is preferably made of a soft magnetic material.
- a compression spring 18 is arranged on its underside in order to hold the armature 16 in its rest position when the coil 14 cannot be energized.
- the compression spring 18 is designed, for example, as a spiral spring or the like.
- an emergency release button or emergency release body 20 which is arranged in an opening of the housing 12 when the armature 16 is in the rest position.
- the manually operable emergency release body 20 can also be in one Configuration protrude from the housing 12.
- the armature 16 which can be moved linearly when the coil 14 is energized, is connected to a locking clamping mechanism 24 via a plunger 22 .
- the locking mechanism 24 comprises a crown 26 which is connected to the plunger 22 and which interacts with a rotary crown 28 arranged on the crown 26 .
- the crown 26 and the rotary crown 28 each have serrated end faces which face one another and which can interlock with one another.
- the ram 22 and the clamping mechanism 24 are arranged inside a guide tube 30 , the inside of the guide tube 30 having grooves for outer bodies arranged on the outside of the rotating crown 28 in the region of the rotating crown 28 .
- the grooves of the guide tube 30 and the outer body of the rotary crown 28 work together here.
- the grooves on the inside of the guide tube 30 in the region of the rotary crown 28 are arranged in the circumferential direction, with the grooves for the outer body of the rotary crown 28 alternatingly having different depths in the circumferential direction.
- the outer bodies of the rotary crown 28 are guided along the longitudinal extent of the guide tube 30 in the grooves of the guide tube 30 .
- the rotating crown 28 On the side of the rotating crown 28 facing away from the crown 26 , the rotating crown 28 is in contact or connected to a locking body 32 .
- the locking body 32 is surrounded at the end by a holding body 34 .
- On the outside of the locking body 32 this is surrounded by an unlocking spring 36 which is supported on the holder or on the holding body 34 .
- a pivotable rotary latch 40 is arranged opposite the locking body 32 on its underside is connected to a pivotable pivoting body 42 on the side of the rotary latch 40 facing away from the locking body.
- the pivoting body 42 consists of two holding pieces 44, 46, between which a spring 48 is arranged in order to push the holding pieces 44, 46 apart.
- FIGS 3a, 3b the area between the rotary latch 40 and the locking body 32 is shown schematically in each case, with FIG Figure 3a the rotary latch 40 in its closed position and the locking body 32 in the locked position or in a locking position and in Figure 3b the rotary latch 40 is arranged in an open position and the locking body 32 is in a rest position or in an unlocked position.
- the rotary latch 40 has a U-shaped recess 50 in which a cross brace 62 of a door hook 60 (cf. 1 ), for example a door of a washing machine.
- the rotary latch 40 On the upper side of the rotary latch 40, which faces the locking body 32, the rotary latch 40 has a recess 52 in which the free end of the locking body 32 is arranged when the rotary latch 40 is in the closed position (cf. Figure 3a ) to lock the rotary latch 40.
- the door hook 60 which has a cross brace 62
- the in 1 shown door locking device 10 is in the closed position.
- the cross brace 62 of the door hook 60 is arranged or accommodated in the recess 50 of the rotary latch 40 (cf. Figure 3a ).
- the unlocked state (cf. Figure 3b ) is the rotary latch 40 via the spring 48, which is preferably designed as a full detent spring, biased, so that the rotary latch 40 remains securely in the open state.
- the door hook 60 When closing a door, for example a washing machine, the door hook 60 is moved in the direction of the catch 40, so that the cross brace 62 in the recess 50 of the rotary latch 40 is positioned, whereby the door hook 60 rotates the rotary latch 40 when the door is closed.
- the spring 48 tensions the rotary latch 40 so that the rotary latch 40 pulls the door hook 60 in the direction of the entire door locking device 10 . As a result, a high sealing force of the held door is achieved.
- the coil 14 In order to lock the door, in the locking position of the door hook 60 (cf. Figure 3a ) the coil 14 is energized, so that the linearly movable armature 16 moves against the compression spring 18 and against the unlocking spring 36 and thereby the plunger 22 connected to the armature 16, the crown 26, the rotary crown 28 and the locking body 32 in the direction of the rotary latch 40 and the locking body 32 is arranged with its free end in the recess 52 of the catch 40 . If the coil 14 is then no longer energized, the armature 16 is moved back together with the plunger 22 and the crown 26 by means of the spring or compression spring 18 .
- the rotary crown 28 remains in the position together with the locking body 32 and is held in this position by means of the locking clamping mechanism 24 in order to lock the rotary latch 40 .
- coil 14 when coil 14 is energized further, armature 16 is moved together with plunger 22 and crown 26 in the direction of rotary latch 40, which releases the holding position of clamping mechanism 24 for locking body 32, so that locking body 32 can be released by unlocking spring 36 the catch 40 releases.
- the door hook 60 By releasing the door hook 60, the door hook 60 can then be removed from the recess 50 of the rotary latch 40 after rotating the rotary latch 40 (cf. Figure 3b ).
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Description
Die Erfindung betrifft eine Türverriegelungseinrichtung für eine Tür, insbesondere für eine Tür einer Waschmaschine, mit einer verschwenkbaren Drehfalle für einen Türhaken, wobei die verschwenkbare Drehfalle an einem Schwenkkörper angeordnet ist, wobei die Drehfalle eine Ausnehmung zur Aufnahme eines Verriegelungskörpers für die Drehfalle aufweist, wobei ein Verriegelungskörper zur Verriegelung der Drehfalle in deren Schließstellung vorgesehen ist, wobei der Verriegelungskörper mit einem Anker verbunden ist, wobei der Anker von einer bestrombaren Spule umgeben ist und bei Bestromung der Spule der Anker und der Verriegelungskörper in Schließstellung der Drehfalle linear bewegbar sind oder bewegt werden, so dass der Verriegelungskörper in einer Sperrstellung in der Ausnehmung der Drehfalle angeordnet wird oder anordbar ist. Außerdem betrifft die Erfindung eine Verwendung der Türverriegelungseinrichtung.The invention relates to a door locking device for a door, in particular for a door of a washing machine, with a pivotable rotary latch for a door hook, the pivotable rotary latch being arranged on a pivoting body, the rotary latch having a recess for receiving a locking body for the rotary latch, with a locking body is provided for locking the rotary latch in its closed position, the locking body being connected to an armature, the armature being surrounded by a coil that can be energized and when the coil is energized, the armature and the locking body can be moved linearly or are moved in the closed position of the rotary latch, so that the locking body is arranged or can be arranged in a blocking position in the recess of the rotary latch. The invention also relates to a use of the door locking device.
Im Stand der Technik ist bekannt, dass zur Verriegelung einer Tür oder Klappe oder dergleichen eine Drehfalle eingesetzt wird, um die Tür oder die Klappe in einer Verschlussstellung zu halten. Die Drehfalle weist hierbei eine Ausnehmung auf, die in der Schließlage einen Schließbolzen oder Schließbügel während der Schließbewegung der Tür aufnimmt, wobei die Drehfalle zum Verriegeln in einer Verriegelungsstellung so verschwenkt wird, dass der Schließbolzen oder Schließbügel in seiner Bewegung blockiert ist. Um die Drehfalle in der Verriegelungsstellung zu halten, ist eine Sperrklinke oder dergleichen vorgesehen, um die Verschwenkung der Drehfalle in die den Schließbolzen oder Schließbügel freigebende Entriegelungsstellung zu verhindern.It is known in the prior art that a rotary latch is used to lock a door or flap or the like in order to hold the door or flap in a closed position. The rotary latch has a recess which, in the closed position, accommodates a locking bolt or striker during the closing movement of the door, the rotary latch being pivoted for locking in a locking position such that the movement of the locking bolt or striker is blocked. In order to hold the rotary latch in the locking position, a pawl or the like is provided in order to prevent the pivoting of the rotary latch into the unlocked position releasing the locking bolt or locking bracket.
Beispielsweise ist in
Außerdem ist in
In
Darüber hinaus offenbart
Die Aufgabe der Erfindung besteht darin, eine einfach aufgebaute und kostengünstige Türverriegelung, insbesondere für eine Waschmaschine, bereitzustellen.The object of the invention is to provide a simply constructed and inexpensive door lock, in particular for a washing machine.
Gelöst wird diese Aufgabe durch eine Türverriegelungseinrichtung für eine Tür, insbesondere für eine Tür einer Waschmaschine, mit einer verschwenkbaren Drehfalle für einen Türhaken, wobei die verschwenkbare Drehfalle an einem Schwenkkörper angeordnet ist, wobei die Drehfalle eine Ausnehmung zur Aufnahme eines Verriegelungskörpers für die Drehfalle aufweist, wobei ein Verriegelungskörper zur Verriegelung der Drehfalle in deren Schließstellung vorgesehen ist, wobei der Verriegelungskörper mit einem Anker verbunden ist, wobei der Anker von einer bestrombaren Spule umgeben ist und bei Bestromung der Spule der Anker und der Verriegelungskörper in Schließstellung der Drehfalle linear bewegbar sind oder bewegt werden, so dass der Verriegelungskörper in einer Sperrstellung in der Ausnehmung der Drehfalle angeordnet wird oder anordbar ist, wobei der Anker unter Verwendung eines Stößels mit einem Sperrspannwerk für den Verriegelungskörper verbunden ist, die dadurch weitergebildet ist, dass das Sperrspannwerk eine mit dem Stößel verbundene Krone und eine mit der Krone zusammenwirkende und mit dem Verriegelungs-körper verbundene Drehkrone aufweist.This object is achieved by a door locking device for a door, in particular for a door of a washing machine, with a pivotable rotary latch for a door hook, the pivotable rotary latch being arranged on a pivoting body, the rotary latch having a recess for receiving a locking body for the rotary latch, wherein a locking body is provided for locking the rotary latch in its closed position, wherein the locking body is connected to an armature, the armature is surrounded by a coil that can be energized and when the coil is energized, the armature and the locking body can be moved or moved linearly in the closed position of the rotary latch so that the locking body is or can be arranged in a locking position in the recess of the rotary latch, the anchor being connected to a locking clamping mechanism for the locking body using a plunger, which is further developed in that the locking clamping mechanism has a crown connected to the plunger and a turning crown cooperating with the crown and connected to the latch body.
Die Erfindung beruht auf dem Gedanken, dass bei Bestromung einer Spule der von der Spule umgebene Anker linear bewegbar ist, wobei der Anker bei Nichtbestromung in seine Ruheposition mittels einer Feder bewegt wird oder bewegbar ist. Mittels des Ankers und der Spule wird ein Aktuator bereitgestellt bzw. ausgebildet, wobei zum Verriegeln und Entriegeln der Tür, beispielsweise einer Waschmaschine, ein Umschalten einer Stromquelle für die Spule nicht erforderlich ist. Hierdurch wird beispielsweise ein einfacher Aufbau erreicht, da gegenüber dem Stand der Technik, bei dem aufwändige und teure Umkehrmagneten für Verriegelungen für Waschmaschinen eingesetzt werden, hingegen bei der erfindungsgemäßen Verriegelung bzw. Türverriegelungseinrichtung eine Ausbildung ohne Joche sowie ohne Permanentmagnete erreicht wird. Darüber hinaus weist die Türverriegelungseinrichtung vorteilhafterweise ausschließlich eine Spule für den zu bewegenden Anker auf.The invention is based on the idea that when energized a The coil surrounded by the coil armature is linearly movable, wherein the armature is moved to its rest position by means of a spring when not energized or is movable. An actuator is provided or formed by means of the armature and the coil, wherein it is not necessary to switch over a power source for the coil in order to lock and unlock the door, for example of a washing machine. This achieves a simple structure, for example, because compared to the prior art, in which complex and expensive reversing magnets are used for locking mechanisms for washing machines, the locking mechanism or door locking device according to the invention is designed without yokes and without permanent magnets. In addition, the door locking device advantageously has only one coil for the armature to be moved.
Darüber hinaus zeichnet sich eine Weiterbildung der Türverriegelungseinrichtung dadurch aus, dass eine Ankerfeder für den Anker vorgesehen ist, wobei insbesondere die Ankerfeder eingerichtet ist, bei nicht-bestromter Spule den Anker in einer Ruheposition zu halten und bei Bestromung der Spule der linearen Bewegung des Ankers entgegenzuwirken.In addition, a development of the door locking device is characterized in that an armature spring is provided for the armature, with the armature spring in particular being set up to hold the armature in a rest position when the coil is not energized and to counteract the linear movement of the armature when the coil is energized .
Bei der Türverriegelungseinrichtung ist vorgesehen, dass der Anker unter Verwendung eines Stößels mit einem Spannwerk für den Verriegelungskörper verbunden ist. Hierbei ist das Spannwerk derart eingerichtet, dass bei Bestromung der Spule mittels des dadurch bewegten Ankers der Türverriegelungseinrichtung der Verriegelungskörper in eine Sperrstellung bewegt wird und mittels des Spannwerks in der Sperrstellung positioniert bzw. gehalten wird, auch wenn die Spule nach der linearen Bewegung des Ankers nicht mehr bestromt wird oder ist. Um den Verriegelungskörper aus seiner Sperrstellung, in der die Drehfalle verriegelt ist und nicht bewegbar ist, zu entfernen, wird nach einer Phase der Nichtbestromung der Spule die Spule wieder bestromt, um den linear bewegbaren Anker zu bewegen, so dass dadurch der Verriegelungskörper aus seiner durch das Sperrspannwerk gehaltenen Schließstellung in eine Entsperrposition gebracht wird, wobei gleichzeitig die Halteposition bzw. die Sperrstellung des Verriegelungskörpers durch das Sperrspannwerk gelöst wird. Dazu ist erfindungsgemäß vorgesehen, dass das Sperrspannwerk eine mit dem Stößel verbundene Krone und eine mit der Krone zusammenwirkende und mit dem Verriegelungskörper verbundene oder zusammenwirkende Drehkrone aufweist.The door locking device provides for the armature to be connected to a clamping mechanism for the locking body using a plunger. The tensioning mechanism is set up in such a way that when the coil is energized by means of the armature of the door locking device that is moved as a result, the locking body is moved into a locked position and is positioned or held in the locking position by means of the tensioning mechanism, even if the coil is not after the linear movement of the armature is or is more energized. To move the locking body from its locked position in which the catch is locked and not is to be removed, after a phase in which the coil is not energized, the coil is energized again in order to move the linearly movable armature, so that the locking body is brought from its closed position, held by the locking clamping mechanism, into an unlocked position, with the holding position or the locking position of the locking body is released by the locking clamping mechanism. For this purpose, it is provided according to the invention that the locking mechanism has a crown connected to the plunger and a rotary crown that interacts with the crown and is connected or interacts with the locking body.
Außerdem ist gemäß einem weiteren Aspekt der Erfindung vorgesehen, dass der Stößel und/oder das Sperrspannwerk, insbesondere die Krone und die Drehkrone des Sperrspannwerks, in einem Führungsrohr aufgenommen sind. Dadurch ergibt sich eine verbesserte Führung des Stößels sowie des Sperrspannwerks, insbesondere der Krone und der Drehkrone im Inneren des Führungsrohres.In addition, according to a further aspect of the invention, it is provided that the plunger and/or the locking mechanism, in particular the crown and the rotary crown of the locking mechanism, are accommodated in a guide tube. This results in improved guidance of the ram and the locking mechanism, in particular the crown and the rotating crown inside the guide tube.
Ferner zeichnet sich eine Ausgestaltung der Türverriegelungseinrichtung dadurch aus, dass zum Entriegeln der Sperrstellung des Verriegelungskörpers durch eine weitere Bestromung der Spule der Anker linear bewegbar ist oder bewegt wird, so dass der Verriegelungskörper aus der Sperrstellung bewegt wird.Furthermore, an embodiment of the door locking device is characterized in that to unlock the locked position of the locking body by further energizing the coil, the armature can be moved linearly or is moved, so that the locking body is moved out of the locked position.
Vorteilhafterweise ist eine am Verriegelungskörper angreifende Entriegelungsfeder vorgesehen, wobei die Entriegelungsfeder eingerichtet ist, den Verriegelungskörper in eine Entsperrposition bzw. Ruheposition zu drücken.An unlocking spring acting on the locking body is advantageously provided, the unlocking spring being set up to press the locking body into an unlocking position or rest position.
Um beispielsweise eine Tür einer Waschmaschine über den Türhaken permanent unter einer Vorspannung zu halten, ist erfindungsgemäß vorgesehen, dass die Drehfalle mittels einer am Schwenckörper vorgesehenen Feder in Schließstellung der Drehfalle vorgespannt ist. Mittels der Feder wird eine Vorspannung bewirkt, wodurch die Tür oder der Deckel, zum Beispiel einer Waschmaschine, in eine Dichtung der Türöffnung gedrückt wird. Bei Alterung oder einer Schrumpfung der Dichtung wird vorteilhafterweise die Tür über die Feder bzw. die Federmechanik weiterhin mit einer konstanten Kraft in die Dichtung gedrückt, wodurch für lange Zeit die Dichtkraft konstant gehalten wird.In order, for example, to keep a door of a washing machine permanently under pretension via the door hook, it is inventive provided that the rotary latch is biased by means of a spring provided on the swivel body in the closed position of the rotary latch. A preload is brought about by means of the spring, as a result of which the door or the lid, for example of a washing machine, is pressed into a seal of the door opening. In the event of aging or shrinkage of the seal, the spring or the spring mechanism advantageously continues to press the door into the seal with a constant force, as a result of which the sealing force is kept constant for a long time.
Dazu ist in einer Ausgestaltung vorgesehen, dass die Feder des Schwenkkörpers für die Drehfalle zwischen zwei voneinander beabstandeten Haltestücken angeordnet ist, wobei ein erstes Haltestück mit der Drehfalle drehbar verbunden ist und das zweite Haltestück um eine Schwenkachse schwenkbar gelagert ist. Die Schwenkachse der Drehfalle und die Schwenkachse des Schwenkkörpers sind vorzugsweise parallel zueinander ausgerichtet.For this purpose, one embodiment provides that the spring of the pivoting body for the rotary latch is arranged between two spaced-apart holding pieces, with a first holding piece being rotatably connected to the rotary latch and the second holding piece being pivotably mounted about a pivot axis. The pivot axis of the rotary latch and the pivot axis of the pivot body are preferably aligned parallel to one another.
Außerdem ist vorteilhafterweise der Anker aus einem weichmagnetischen Material hergestellt.In addition, the armature is advantageously made of a soft magnetic material.
Ferner zeichnet sich eine Ausgestaltung der Türverriegelungseinrichtung dadurch aus, dass ein manuell betätigbarer Notentriegelungskörper am Anker vorgesehen ist. Mittels des manuell betätigbaren Notentriegelungskörpers ist es möglich, den Anker bei einer Nichtbestromung der Spule linear zu bewegen, um beispielsweise den Verriegelungskörper aus der Sperrstellung in der Ausnehmung der Drehfalle zu entfernen.Furthermore, an embodiment of the door locking device is characterized in that an emergency release body that can be actuated manually is provided on the anchor. By means of the manually operable emergency release body, it is possible to move the armature linearly when the coil is not energized, for example in order to remove the locking body from the locked position in the recess of the rotary latch.
Darüber hinaus ist vorgesehen, dass die Türverriegelungseinrichtung in einem Gehäuse angeordnet ist, wodurch sich ein vereinfachter Einbau der Türverriegelungseinrichtung, beispielsweise in einer Waschmaschine, ergibt.In addition, it is provided that the door locking device is arranged in a housing, which simplifies installation of the door locking device, for example in a washing machine, yields.
Darüber hinaus wird die Aufgabe gelöst durch eine Verwendung einer voranstehend beschriebenen Türverriegelungseinrichtung für eine Tür in einer Waschmaschine oder einem Haushaltsgerät. Im Rahmen der Erfindung wird unter einer Tür auch ein Deckel oder eine Klappe einer Waschmaschine verstanden, der bzw. die in entsprechender Weise mittels der Verriegelungseinrichtung ebenfalls verriegelbar ist.In addition, the object is achieved by using a door locking device described above for a door in a washing machine or a household appliance. In the context of the invention, a door is also understood to mean a cover or a flap of a washing machine, which can also be locked in a corresponding manner by means of the locking device.
Weitere Merkmale der Erfindung werden aus der Beschreibung erfindungsgemäßer Ausführungsformen zusammen mit den Ansprüchen und den beigefügten Zeichnungen ersichtlich. Erfindungsgemäße Ausführungsformen können einzelne Merkmale oder eine Kombination mehrerer Merkmale erfüllen.Further features of the invention will be apparent from the description of embodiments of the invention taken together with the claims and the accompanying drawings. Embodiments according to the invention can fulfill individual features or a combination of several features.
Im Rahmen der Erfindung sind Merkmale, die mit "insbesondere" oder "vorzugsweise" gekennzeichnet sind, als fakultative Merkmale zu verstehen.In the context of the invention, features that are marked with "particularly" or "preferably" are to be understood as optional features.
Die Erfindung wird nachstehend ohne Beschränkung des allgemeinen Erfindungsgedankens anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen beschrieben, wobei bezüglich aller im Text nicht näher erläuterten erfindungsgemäßen Einzelheiten ausdrücklich auf die Zeichnungen verwiesen wird. Es zeigen:
- Fig. 1
- schematisch eine Ansicht einer Verriegelungseinrichtung in einer perspektivischen Ansicht;
- Fig. 2
- schematisch einen Querschnitt durch die Türverriegelungseinrichtung aus
Fig. 1 ; - Fig. 3a, 3b
- schematisch eine vereinfachte Darstellung der Drehfalle der Türverriegelungseinrichtung in einer verriegelten Position und in einer entriegelten Position.
- 1
- schematically a view of a locking device in a perspective view;
- 2
- schematically shows a cross section through the door locking device
1 ; - Figures 3a, 3b
- schematically shows a simplified representation of the rotary latch of the door locking device in a locked position and in an unlocked position.
In den Zeichnungen sind jeweils gleiche oder gleichartige Elemente und/oder Teile mit denselben Bezugsziffern versehen, so dass von einer erneuten Vorstellung jeweils abgesehen wird.In the drawings, elements and/or parts that are the same or of the same type are provided with the same reference numbers, so that they are not presented again in each case.
In
Die Türverriegelungseinrichtung 10 weist ein Gehäuse 12 auf. Im Inneren des Gehäuses 12 ist hierbei eine bestrombare Spule 14 vorgesehen, die einen linear bewegbaren Anker 16 umgibt. Die bestrombare Spule 14 ist mit einer hier nicht dargestellten, schaltbaren Stromquelle verbunden.The
Der Anker 16 ist vorzugsweise aus einem weichmagnetischen Material hergestellt. An einer Seite des Ankers 16, in
Ferner ist der bei Bestromung der Spule 14 linear bewegbare Anker 16 über einen Stößel 22 mit einem Sperrspannwerk 24 verbunden. Das Sperrspannwerk 24 umfasst hierbei eine mit dem Stößel 22 verbundene Krone 26, die mit einer an der Krone 26 angeordneten Drehkrone 28 zusammenwirkt. Hierbei weisen die Krone 26 und die Drehkrone 28 jeweils gezackte und einander zugewandte Endseiten auf, die miteinander verzahnen können.Furthermore, the
Der Stößel 22 sowie das Sperrspannwerk 24 sind im Inneren eines Führungsrohrs 30 angeordnet, wobei im Bereich der Drehkrone 28 die Innenseite des Führungsrohrs 30 Nuten für an der Außenseite der Drehkrone 28 angeordnete Außenkörper aufweist. Die Nuten des Führungsrohrs 30 sowie die Außenkörper der Drehkrone 28 wirken hierbei zusammen. Die Nuten an der Innenseite des Führungsrohrs 30 im Bereich der Drehkrone 28 sind hierbei in Umfangsrichtung angeordnet, wobei in Umfangsrichtung die Nuten für die Au-βenkörper der Drehkrone 28 alternierend verschiedene Tiefen aufweisen. In den Nuten des Führungsrohrs 30 werden hierbei die Au-βenkörper der Drehkrone 28 entlang der Längserstreckung des Führungsrohrs 30 geführt.The
An der von der Krone 26 abgewandten Seite der Drehkrone 28 ist die Drehkrone 28 mit einem Verriegelungskörper 32 in Kontakt oder verbunden. Der Verriegelungskörper 32 ist endseitig von einem Haltekörper 34 umgeben. Auf der Außenseite des Verriegelungskörpers 32 ist dieser von einer Entriegelungsfeder 36 umgeben, die sich auf der Halterung bzw. auf dem Haltekörper 34 abstützt.On the side of the rotating
Dem Verriegelungskörper 32 gegenüber ist an dessen Unterseite eine verschwenkbare Drehfalle 40 angeordnet, die an der Unterseite mit einem verschwenkbaren Schwenkkörper 42 auf der von dem Verriegelungskörper abgewandten Seite der Drehfalle 40 verbunden ist. Der Schwenkkörper 42 besteht hierbei aus zwei Haltestücken 44, 46, zwischen denen eine Feder 48 angeordnet ist, um die Haltestücke 44, 46 auseinanderzudrücken.A pivotable
In
In
Um die Tür zu verriegeln, wird in der Verriegelungsposition des Türhakens 60 (vgl.
- 1010
- Türverriegelungseinrichtungdoor locking device
- 1212
- GehäuseHousing
- 1414
- SpuleKitchen sink
- 1616
- Ankeranchor
- 1818
- Druckfedercompression spring
- 2020
- Notentriegelungskörperemergency release body
- 2222
- Stößelpestle
- 2424
- Sperrspannwerklocking tension mechanism
- 2626
- KroneCrown
- 2828
- Drehkroneturning crown
- 3030
- Führungsrohrguide tube
- 3232
- Verriegelungskörperlocking body
- 3434
- Haltekörperholding body
- 3636
- Entriegelungsfederrelease spring
- 4040
- Drehfallerotary latch
- 4242
- Schwenkkörperswivel body
- 4444
- Haltestückholding piece
- 4646
- Haltestückholding piece
- 4848
- FederFeather
- 5050
- Ausnehmungrecess
- 5252
- Ausnehmungrecess
- 6060
- Türhakendoor hook
- 6262
- Querstrebecross brace
Claims (10)
- A door locking device (10) for a door, in particular for a door of a washing machine, having a pivotable rotary catch (40) for a door hook (60), wherein the pivotable rotary catch (40) is arranged on a pivoting body (42), wherein the rotary catch (40) has a recess (52) for receiving a locking body (32) for the rotary catch (40), wherein a locking body (32) for locking the rotary catch (40) is provided in the closed position thereof, wherein the locking body (32) is connected to an armature (16), wherein the armature (16) is surrounded by a coil (14) which can be energized and when the coil (14) is energized, the armature (16) and the locking body (32) can be or are linearly moved into the closed position of the rotary catch (40) such that the locking body (32) is or can be arranged in a blocked position in the recess (52) of the rotary catch (40), characterized in that the armature (16) is connected to a blocking clamping mechanism (24) for the locking body (32) using a tappet (22) and that the blocking clamping mechanism (24) has a crown (26) connected to the tappet (22) and a rotary crown (28) interacting with the crown (26) and connected to the locking body (32).
- The door locking device (10) according to Claim 1, characterized in that a compression spring (18) is provided for the armature (16), wherein in particular the compression spring (18) is designed, when the coil (14) is not energized, to hold the armature (16) in a rest position and, when the coil (14) is energized, to counteract the linear movement of the armature (16).
- The door locking device (10) according to Claim 1 or 2, characterized in that the tappet (22) and/or the blocking clamping mechanism (24), in particular the crown (26) and the rotary crown (28) of the blocking clamping mechanism (24), are received in a guide tube (30).
- The door locking device (10) according to any one of Claims 1 to 3, characterized in that in order to unlock the blocked position of the locking body (32) by a further energization of the coil (14) the armature (16) can be or is linearly moved such that the locking body (32) is moved out of the blocked position.
- The door locking device (10) according to any one of Claims 1 to 4, characterized in that an unlocking spring (36) acting on the locking body (32) is provided, wherein the unlocking spring (36) is designed to press the locking body (32) into an unblocked position.
- The door locking device (10) according to any one of Claims 1 to 5, characterized in that the rotary catch (40) is pretensioned in the closed position of the rotary catch (40) by means of a spring (48) provided on the pivoting body (42).
- The door locking device (10) according to Claim 6, characterized in that the spring (48) of the pivoting body (42) for the rotary catch (40) is arranged between two holding pieces (44, 46) spaced apart from one another, wherein a first holding piece (44) is rotatably connected to the rotary catch (40) and the second holding piece (46) is pivotably mounted about a pivoting axis.
- The door locking device (10) according to any one of Claims 1 to 7, characterized in that the armature (16) is manufactured from a magnetically soft material.
- The door locking device (10) according to any one of Claims 1 to 7, characterized in that an emergency unlocking body (20) which can be operated manually is provided on the armature (16).
- Use of a door locking device (10) for a door according to any one of Claims 1 to 9 in a washing machine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19153955.0A EP3686384B1 (en) | 2019-01-28 | 2019-01-28 | Door lock for a door, in particular a washing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19153955.0A EP3686384B1 (en) | 2019-01-28 | 2019-01-28 | Door lock for a door, in particular a washing machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3686384A1 EP3686384A1 (en) | 2020-07-29 |
EP3686384B1 true EP3686384B1 (en) | 2023-07-12 |
Family
ID=65241151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19153955.0A Active EP3686384B1 (en) | 2019-01-28 | 2019-01-28 | Door lock for a door, in particular a washing machine |
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Country | Link |
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EP (1) | EP3686384B1 (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2029262A1 (en) * | 1970-06-13 | 1971-12-23 | Sievers Fa Carl | Closure, especially for washing machines |
DE4031077A1 (en) | 1990-10-02 | 1992-04-09 | Trumpf Schloss & Beschlag | ELECTROMAGNETIC DOOR LOCKING |
DE19828830A1 (en) | 1998-06-27 | 1999-12-30 | Miele & Cie | Washing machine has door closing device with electromagnetic opener |
DE19848275C2 (en) | 1998-10-20 | 2002-01-10 | Zangenstein Elektro | Device for locking a door of a household appliance |
US9267315B2 (en) * | 2013-03-18 | 2016-02-23 | Poong Won Industry Co., Ltd. | Door safety locking apparatus |
DE102017128301B3 (en) * | 2017-11-29 | 2019-01-24 | Kendrion Kuhnke Automation Gmbh | locking device |
-
2019
- 2019-01-28 EP EP19153955.0A patent/EP3686384B1/en active Active
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