EP2732113B1 - Closure for closing a door, in particular an appliance door - Google Patents
Closure for closing a door, in particular an appliance door Download PDFInfo
- Publication number
- EP2732113B1 EP2732113B1 EP12740475.4A EP12740475A EP2732113B1 EP 2732113 B1 EP2732113 B1 EP 2732113B1 EP 12740475 A EP12740475 A EP 12740475A EP 2732113 B1 EP2732113 B1 EP 2732113B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- closure
- lever bearing
- actuating
- door
- closure element
- 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.)
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- 238000010411 cooking Methods 0.000 description 3
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
- E05B15/0205—Striking-plates, keepers, staples
- E05B15/022—Striking-plates, keepers, staples movable, resilient or yieldable
-
- 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
- E05B47/0676—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/24—Arrangements in which the fastening members which engage one another are mounted respectively on the wing and the frame and are both movable, e.g. for release by moving either of them
- E05B63/248—Arrangements in which the fastening members which engage one another are mounted respectively on the wing and the frame and are both movable, e.g. for release by moving either of them the striker being movable for latching, and pushed back by a member on the wing for unlatching, or vice versa
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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
- E05C5/00—Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
- E05B15/0205—Striking-plates, keepers, staples
- E05B2015/023—Keeper shape
- E05B2015/0235—Stud-like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S292/00—Closure fasteners
- Y10S292/69—Washing machine or stove closure latch
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/0801—Multiple
- Y10T292/0814—Double acting
Definitions
- the invention relates to a closure for closing a door, in particular a device door, with a lockable on a latching structure of a first closure element second closure element which is relatively rotatable for unlocking relative to the first closure element, and with at least one relative to the second closure element movably arranged lever bearing, the a release order Locking position can be transferred, in which the locking is maintained at the latching structure at a relative rotation of the closure elements upright.
- Such door locks are used for closing a variety of devices such as cooking appliances, hot appliances, refrigerators, refrigerators, etc. and usually consist of two closure elements, of which a closure element with the door leaf of the door and a second closure element is connected to the frame of the appliance door or the device housing ,
- a closure is known in which the closing element connected to the door leaf is designed as a resilient strap, which can be locked to a latching structure of a housing-fixed, designed as a locking pin closure element.
- the two closure elements are acted upon via a provided between the door leaf and the door frame, the interior of the device sealing rubber-elastic seal with a closing force.
- the two closure elements are rotated by an operating handle relative to each other.
- flank of the backdrop is arranged in the region of the latching structure between the two closure elements, which are braced against each other when the door is closed via a rubber-elastic door seal.
- Another lock with access control is from the DE 10 2009 014 233 A1 known. This is provided for the purpose of access control between a release position and a blocking position back and forth movably arranged lever bearing.
- the lever bearing In normal operation, the lever bearing is in the release position, in which the lever bearing, as a result of a relative rotation of the two closure elements, leveres the closure element designed as a spring clip against the force of a spring out of the latching structure of the other closure element. In this way, the lock is released by operating the arranged on the door leaf operating handle and the door can be opened.
- the lever bearing from the release position is movable into a blocking position, in which this does not lever the spring clip out of the detent structure even when the actuating handle is actuated.
- the lever bearing is integrally formed on the housing-fixed closure pin in the manner of a radial extension.
- the closure pin is rotatably mounted on the housing of the device via a drive provided for this purpose. If, for example, access to the interior of the device is blocked on the basis of a cleaning process in progress, the closure pin is moved via the drive and with it the lever bearing relative to the spring clip into a position in which the spring clip is no longer released upon actuation of the operating handle Resting structure is levered.
- Object of the present invention is to provide a structurally simple held closure with access control, in which also drives lower power can be used.
- a structurally advantageous development of the invention provides that the lever bearing is movable via an actuating element between the release position and the blocking position, wherein it is particularly advantageous in this context in a further embodiment of the invention, when the actuating element is driven by a motor, in particular by an electric motor.
- the actuating element can be guided in the region of the closure which is visible when the door is open and the drive of the actuating element in the interior of the device housing can be arranged protected against contamination, splash water, etc.
- the lever bearing may be provided directly to the actuating element according to a structurally simple design, for example, the actuating element may be an axially movable rod whose lateral surface forms the lever bearing for Aushebeln the lock.
- the lever bearing is arranged on a pivotable about the actuating element pivoting element.
- the actuating element can be arranged at a greater distance from the two closure elements and the lever bearing can be moved via the pivoting element into its release or blocking position.
- a structurally advantageous development provides that the pivoting element via the actuating element in the release position can be pressed and locked in this.
- the actuator comes in such a configuration to a dual function.
- the actuating element is designed as a kind of pushing element in such a way that arranged on the pivot member lever bearing is movable by applying a compressive force in its release position.
- the actuating element acts as a kind of holding element of the lever bearing in its release position.
- the actuating element can be designed such that it receives the forces acting on the lever bearing during a relative rotation of the closure elements, without the lever bearing being moved out of its release position. In that regard, the actuating element forms a pivotal blockage of the pivoting element in the release position of the lever bearing.
- a further embodiment provides that the pivoting element is freely pivotable after moving back the actuating element. After retraction of the actuating element, the pivoting element can swing back in a simple manner due to the freely pivotable training and spend the lever bearing in its locked position. In this context, it is of further advantage if the pivoting element is designed such that it moves after removal of the actuating element self-weight actuated in the blocking position.
- the pivoting element is designed as a pivoting pawl, by means of which a change in direction of the direction of movement predetermined via the actuating element can be achieved.
- it may be an angularly formed pivoting pawl, whose legs are angled relative to each other and enclose the pivot axis of the pivoting element in an intermediate region.
- the pivoting element is designed and arranged in such a way that the leg cooperating with the actuating element extends substantially vertically in the release position and the other leg in the opposite direction runs angled. Due to the vertical alignment the cooperating with the actuator leg can achieve a favorable support of the lever bearing in the release position.
- the pivoting element is designed as a double pivoting pawl with lever bearings which can be arranged on both sides of the lever bearing. Due to the two-sided arrangement of two lever bearings relative rotations of the two closure elements in both directions, so both left and right turns, for levering the second closure element via the respective lever bearings can be used.
- the pivot member is pivotally mounted on the first closure element.
- the first closure element can be used as a pivot bearing of the pivoting element.
- a further embodiment provides that the pivot axis of the pivot element extends parallel to the direction of the latching structure in particular horizontally.
- the pivoting element is arranged on a side surface of the first closure element.
- pivoting element may be arranged on a lower or upper side of the closure element.
- the lever bearing is arranged on a sliding element which can be displaced over the actuating element. Also by the interposition of a thrust element, the actuating element can be arranged at a greater distance from the two closure elements and the lever bearing can be moved via the thrust element in its release or blocking position.
- the thrust element via the actuating element in the release position can be pressed and locked in this.
- the actuating element thrust element and arranged on this lever bearing is movable by applying a compressive force in its release position.
- the actuating element holds the lever bearing in its release position.
- a structurally advantageous embodiment of the thrust element provides that the thrust element is biased by a spring in the direction of the locking position of the lever bearing.
- the spring may be arranged so that it spins when moving the thrust element in the release position and moves the thrust element after retraction of the actuating element automatically in its blocking position.
- An alternative embodiment provides that the actuating element is connected to the thrust element pressure and zuggekoppelt. About the pressure coupling, the thrust element can be pushed into the release position.
- the thrust element can be taken during retraction of the thrust element and spent in this way, the lever bearing in the locked position.
- the thrust element is arranged to be axially movable on the first closure element.
- the first closure element thus also serves as a receptacle of the push element, so that no separate receptacle is required and results in a small number of parts.
- a guide for example, serve a bolt / slot guide. It can be provided in particular that the bolt on the first closure element and the slot is arranged on the other hand movable on the thrust element.
- the thrust element in each case has a lever bearing on both sides of the first locking element.
- the second closure element is rotatable via an actuating handle and the first closure element is designed to be stationary.
- the operating handle may be on a pivoting actuating lever be arranged, which is deflected in a predetermined angular range of for example 45 ° from a preferably vertical index position to both sides.
- the actuating handle is acted upon by a spring force such that it tends to Harborzuschwenken always in its index position.
- the second closing element is designed as a locking pin and the actuating element extends parallel to the axis of the locking pin.
- the lever bearing is movable from the release position to an open position in which the lock is levered to the latching structure regardless of the rotational position of the closure elements.
- the door is automatically opened.
- the second closure element is raised so far that the lock on the latching structure is released and the door under the influence of applied over the door seal closing force jumps open at least a gap.
- a transfer of the lever bearing in its open position can be done in particular in the context of cooking or baking operations when reaching a preset time, so that the door opens, for example, after a preset time of fifteen minutes without the operator monitor these times themselves and the device by hand must open.
- Fig. 1 the closure 1 of a door, for example the door of a hot appliance used in the kitchen area, is shown in the locked state.
- the closure 1 has as essential components at least one first closure element 2 and at least one second closure element 3, which can be locked together by means of at least one latching structure 4 arranged on the first locking element 2.
- the individual components of the closure 1 are arranged in the embodiments shown in the figures such that the first closure element 2 fixed to the housing is fixed to a door frame or the device housing.
- the second closure element 3 is arranged on the door leaf and can be moved following the movements of the door leaf when opening or closing the door with respect to the stationary first closure element 2.
- the door-side closure element 3 is provided in the manner of a spring-loaded bracket with two legs 3.1, 3.2 and a transversely to the legs 3.1, 3.2 extending locking portion 3.3, which is designed in the manner of a transverse pin.
- the locking region 3.3 has a roller rotatably mounted thereon, whereby friction-related signs of wear on the two closure elements 2, 3 can be reduced.
- the closure element 3 is connected by a total of frame-shaped geometry and rotationally coupled to a pivotable actuating handle 20, which is accessible from the outside of the door to be locked.
- the closure element 3 When the handle 20 is deflected, the closure element 3 therefore follows its rotational movements and is rotated relative to the first closure element 2.
- the second closure element 3 is within the handle 20 in the in Fig. 2 direction indicated by the directional arrow there against the force of a return spring 11 pivotally coupled to the handle 20.
- the force of the return spring 11 is directed such that the closure element 3 tends to always assume a substantially horizontal position.
- the first closure element 2 is designed in the manner of an elongate locking pin and extends in the direction of the door-side closure element 3.
- the closure element 2 is fixed by pin-shaped geometry and a threaded portion 2.1 in an opening of the device housing 21, see. especially Fig. 7 ,
- the closure element 2 has a bevel 2.2 and two detent structures 4, 6 designed in the manner of undercuts, to which the locking region 3.3 of the second closure element 3 can be locked.
- the closure element 3 When locking, the door leaf and with this the second closure element 3 approaches the fixed closure element 2.
- the closure element 3 is initially in a substantially horizontal position until it hits the free end of the arranged approximately at the same height, designed as a locking pin first closure element 2.
- the closure element 3 arrives with its locking region 3.3 with the bevel 2.2 of the first closure element 2 in abutment, which acts as a kind of lifting slope on further closing of the door leaf.
- the roll provided in the locking area 3.3 of the second closure element 2 begins to roll on the chamfer 2.2 of the first closure element 3 and the second closure element 3 begins to swing upwards out of its horizontal position, counter to the force of the spring 11 provided on the actuating grip 20.
- the locking region 3.3 of the second closure element 3 enters the front latching structure 6 of the first closure element 2.
- the closure element 3 springs under the influence of the spring 11 down into the latching structure 6 before it then hits on further closing of the door leaf on a second chamfer 2.3, in turn raised over this and finally locked under spring force in the latching structure 4. Arrived in this position, the door is closed and the device can be used for example for cooking food.
- the second closure element 2 is pivoted by actuation of the handle 20 relative to the stationary first closure element 3, whereby the locking region 3.3 is pivoted relative to the first closure element 2 on the circumference thereof also relative to the detent structures 4, 6.
- the handle 20 is designed for this purpose in an angular range of 45 °, starting from a substantially vertical index position to the right or left pivot.
- the lever bearing 5 forms in its release position a kind of tilting edge, which ensures that the closure element 3 does not rotate about the axis of rotation of the handle 20, but is levered in a kind of tilting movement over the laterally opposite the axis of rotation of the handle 20 arranged lever bearing 5.
- the locking area 3.3 hits the latching structure 6 forming an intermediate locking stage and locks again.
- the interlocking serves to initially not completely open the door, but only to create a defined opening gap, for example, hot fumes controlled to escape from the device can.
- the handle 20 can be pivoted in the opposite direction of rotation, ie to the right, after which he then passed over a provided on the second locking structure 6 side recess 6.1 and the lock solved in total and the door can be fully opened, see. especially Fig. 4 ,
- the lever bearing 5 for access control from the rotational range of the two closure elements, 3 is removably formed.
- a motor-driven actuating element 7 is provided.
- the motor drive is not shown in the figures, but due to the easy-going, little force-requiring mobility of the lever bearing 5 can be dimensioned comparatively small, resulting in a structurally favorable, economically advantageous construction can be realized.
- the lever bearing 5 can be formed in a structurally simple manner directly from the actuating element 7 or by an additional element which is moved by actuation of the actuating element 7.
- the additional element is formed by a pivotable about the actuating element 7 pivoting element 8.
- the additional element is formed by a sliding over the actuating element 7 thrust element 9, which will be discussed in detail below.
- the pivoting element 8 is formed in the manner of a freely rotatable pivoting pawl.
- the pivoting element 8 has two mutually angled legs 8.1, 8.2 and arranged between the legs 8.1, 8.2 pivot axis S.
- the cooperating with the actuator 7 leg 8.1 assumes a substantially vertical position, in which he over the back of the leg 8.1 and at a provided on this pressure piece 12 adjacent actuator 7 is locked.
- the leg 8.2 extends at an angle to the leg 8.1 obliquely upwards and forms with its top the leverage required for levering out the lever bearing. 5
- the pivoting element 8 is articulated with its substantially horizontally oriented pivot axis S pivotally mounted on one side of the peg-shaped closure element 2, so that the lever bearing 5 of the in Fig. 7 shown release position, in which the lever bearing 5 is arranged in the region of the latching structure 4, is movable into a blocking position in which the lever bearing 5 is spaced from the latching structure 4 down.
- the rod-shaped actuating element 7 is retracted in the direction of the housing.
- the pivoting element 8 assumes an unstable position and starts weight-actuated in the in the FIGS. 15 and 16 to pivot shown blocking position.
- the locking region 3.3 of the second closure element 3 does not come into contact with the lever bearing 5 so that it can not tilt over the lever bearing 5 and be lifted out of the latching structure 4.
- the closure 1 is secured against unlocking, for example in the context of ongoing cleaning operations inside the device.
- FIGS. 23 and 24 show an embodiment of the pivoting element 8, in which the pivoting element 8 is arranged on a substantially vertically extending axis S pivotally mounted on the first closure element 2.
- the pivoting element 8 is arranged on the underside of the closure element 2 and consists of a Leg 8.3 and a provided on this, extending into the region of the top of the closure element 2 increase 8.4.
- the increase 8.4 forms at the top of the actual lever bearing 5, which in Fig. 23 in its release position and in Fig. 24 is shown in its locked position.
- the pivoting element 8 such that two horizontal legs are provided, of which a leg provided below the closure element 2 interacts with the actuating element 7 and a leg provided above the closure element 2 forms the actual lever bearing 5.
- FIGS. 17 to 22 An alternative embodiment of actuated via the actuator 7, additional element is in the FIGS. 17 to 22 shown.
- the additional element is not formed by a pivot but by a pusher 9, which via the actuator 7 from its blocking position in the in the FIGS. 17 to 19 shown release position is movable.
- the displacement of the thrust element 9 in the direction of its release position takes place against the force of an exciting spring, which relaxes upon retraction of the actuating element 7 and in this way the thrust element 9 moves automatically back into its blocking position.
- the pusher 9 is slidably mounted on the first locking element 2, wherein the movements of the pusher 9 are guided via an axial guide 10, which is formed by a bolt / slot guide, in which a fixed bolt 10.1 in a provided on the pusher 9 slot 10.2 engages, cf. Fig. 22 ,
- the thrust element 9 forms a double Lever bearing with two arranged on both sides of the first closure element 2 lever bearings 5, see. Fig. 20 , In that regard, both left and right turns lead to a levering out of the locking portion 3.3 of the second locking element 3 from the latching structure 4.
- a training as a double lever bearing is also conceivable in the first embodiment by a trained like a double pawl pivot element 8 with both sides of the closure element 2 arranged lever bearings is used.
- the lever bearing 5 can be moved back and forth not only between a locking position and a release position.
- the on the execution after the FIGS. 1 to 16 based representation shows that the lever bearing 5 can also be converted into an open position in which the latching structure 4 and the second closure element 3 are unlocked even without actuation of the actuating handle 20.
- the closure element 3 is raised via the lever bearing 5 in a position above the latching structure 4, so that the door jumps over the applied from the door seal on the two closure elements 2, 3 in the open position closing force with reaching the open position automatically.
- the open position can be used, for example, in timer-controlled baking operations as automatic opening for timely termination of the baking process.
- the lever bearing 5 can be transferred into such an open position.
- the closure 1 described above is characterized by a comparatively simple structure allowing access control. Due to the double mobility of the lever bearing 5 both with respect to the first closure element 2 as well as the second closure element 3, the lever bearing with little effort between its release position and its blocking position are moved back and forth, so that can be used for the purpose of access control comparatively small-sized drives.
- the lever bearing 5 can be arranged in such a way that it can be moved away from a load path generated via the closing force of the door seal and over the first and second closure element 2, 3, resulting in a smooth movability.
- the latch can also be released manually in emergency situations, for example in situations in which the drive of the actuating element 7 failed or its power supply was interrupted is.
- a pointed object can be introduced laterally into the region of the actuating element 7 and the pressure applied to the pivoting element 8 or the push element 9, the lever bearing 5 spent in the release position and the door can be opened.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Medicines Containing Plant Substances (AREA)
Description
Die Erfindung betrifft einen Verschluss zum Verschließen einer Tür, insbesondere einer Gerätetür, mit einem an einer Raststruktur eines ersten Verschlusselements verriegelbaren zweiten Verschlusselement, welches zum Entriegeln gegenüber dem ersten Verschlusselement relativverdrehbar ist, und mit mindestens einem gegenüber dem zweiten Verschlusselement bewegbar angeordneten Hebellager, das aus einer Freigabestellung Sperrstellung überführbar ist, in welcher die Verriegelung an der Raststruktur bei einer Relativverdrehung der Verschlusselemente aufrecht erhalten bleibt.The invention relates to a closure for closing a door, in particular a device door, with a lockable on a latching structure of a first closure element second closure element which is relatively rotatable for unlocking relative to the first closure element, and with at least one relative to the second closure element movably arranged lever bearing, the a release order Locking position can be transferred, in which the locking is maintained at the latching structure at a relative rotation of the closure elements upright.
Derartige Türverschlüsse werden zum Verschließen verschiedenster Geräte wie beispielsweise Gargeräten, Heißgeräten, Kühlgeräten, Kühlmöbeln usw. eingesetzt und bestehen üblicherweise aus zwei Verschlusselementen, von denen ein Verschlusselement mit dem Türblatt der Gerätetür und ein zweites Verschlusselement mit der Zarge der Gerätetür bzw. dem Gerätegehäuse verbunden ist.Such door locks are used for closing a variety of devices such as cooking appliances, hot appliances, refrigerators, refrigerators, etc. and usually consist of two closure elements, of which a closure element with the door leaf of the door and a second closure element is connected to the frame of the appliance door or the device housing ,
Aus der
Aus der
Ein weiterer Verschluss mit Zugangskontrolle ist aus der
Auch bei diesem Verschluss hat es sich als nachteilig erwiesen, dass das Hebelager zum Aushebeln des federnden Verschlusselements einstückig an dem gehäusefesten Verschlusselement angeordnet ist und insoweit zum Bewegen des Hebellagers das erste Verschlusselement entgegen der zwischen den beiden Verschlusselementen anliegenden Schließkraft bewegt werden muss. Auch bei diesem Verschluss ist daher ein vergleichsweise starker Antrieb zum Drehen des zapfenförmigen Verschlusselements erforderlich.Also in this closure, it has proved to be disadvantageous that the lever bearing for levering the resilient closure element is integrally disposed on the housing-fixed closure element and insofar as to move the lever bearing, the first closure element must be moved against the voltage applied between the two closure elements closing force. In this closure too, therefore, a comparatively strong drive is required for rotating the peg-shaped closure element.
Aufgabe der vorliegenden Erfindung ist es, einen in konstruktiver Hinsicht einfach gehaltenen Verschluss mit Zugangskontrolle anzugeben, bei welchem sich auch Antriebe geringerer Leistung einsetzen lassen.Object of the present invention is to provide a structurally simple held closure with access control, in which also drives lower power can be used.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of
Durch die relativbewegliche Anordnung des Hebellagers gegenüber beiden Verschlusselementen lässt sich dieses leichtgängig zwischen der Freigabe- und der Sperrstellung hin- und her bewegen und es lassen sich zum Zwecke der Zugangskontrolle auch Antriebe geringerer Leistung verwenden. Es ist nicht erforderlich, eines der Verschlusselemente bzw. das Hebellager entgegen der zwischen den Verschlusselementen anliegenden Schließkraft zu bewegen. Es ergibt sich ein konstruktiv einfacher Aufbau mit einem wenig Leistung erfordernden Antriebsmechanismus.Due to the relatively movable arrangement of the lever bearing relative to both closure elements, this can be easily moved back and forth between the release and the blocking position and it can be used for the purpose of access control and drives lower power. It is not necessary, one of the closure elements or the lever bearing against the to move between the closing elements applied closing force. The result is a structurally simple structure with a little power requiring drive mechanism.
Eine konstruktiv vorteilhafte Weiterbildung der Erfindung sieht vor, dass das Hebellager über ein Betätigungselement zwischen der Freigabestellung und der Sperrstellung bewegbar ist, wobei es in diesem Zusammenhang in weiterer Ausgestaltung der Erfindung besonders vorteilhaft ist, wenn das Betätigungselement motorisch, insbesondere elektromotorisch angetrieben ist. Das Betätigungselement kann in den bei offener Tür sichtbaren Bereich des Verschlusses geführt sein und der Antrieb des Betätigungselements im Inneren des Gerätegehäuses vor Verunreinigungen, Spritzwasser usw. geschützt angeordnet werden. Das Hebellager kann gemäß einer konstruktiv einfach gehaltenen Ausgestaltung direkt an dem Betätigungselement vorgesehen sein, beispielsweise kann das Betätigungselement eine axial bewegbare Stange sein, deren Mantelfläche das Hebellager zum Aushebeln der Verriegelung bildet.A structurally advantageous development of the invention provides that the lever bearing is movable via an actuating element between the release position and the blocking position, wherein it is particularly advantageous in this context in a further embodiment of the invention, when the actuating element is driven by a motor, in particular by an electric motor. The actuating element can be guided in the region of the closure which is visible when the door is open and the drive of the actuating element in the interior of the device housing can be arranged protected against contamination, splash water, etc. The lever bearing may be provided directly to the actuating element according to a structurally simple design, for example, the actuating element may be an axially movable rod whose lateral surface forms the lever bearing for Aushebeln the lock.
In Weiterbildung der Erfindung wird ferner vorgeschlagen, dass das Hebellager an einem über das Betätigungselement verschwenkbaren Schwenkelement angeordnet ist. Durch die Zwischenschaltung mindestens eines Schwenkelements kann das Betätigungselement mit größerem Abstand zu den beiden Verschlusselementen angeordnet und das Hebellager über das Schwenkelement in dessen Freigabe- bzw. Sperrstellung verbracht werden.In a further development of the invention it is further proposed that the lever bearing is arranged on a pivotable about the actuating element pivoting element. Through the interposition of at least one pivoting element, the actuating element can be arranged at a greater distance from the two closure elements and the lever bearing can be moved via the pivoting element into its release or blocking position.
In diesem Zusammenhang sieht eine konstruktiv vorteilhafte Weiterbildung vor, dass das Schwenkelement über das Betätigungselement in die Freigabestellung drückbar und in dieser arretierbar ist. Dem Betätigungselement kommt bei einer solchen Ausgestaltung eine Doppelfunktion zu. Zum Einen ist das Betätigungselement als eine Art Schubelement derart ausgebildet, dass das an dem Schwenkelement angeordnete Hebellager durch Aufbringen einer Druckkraft in dessen Freigabestellung bewegbar ist. Zum Anderen fungiert das Betätigungselement als eine Art Halteelement des Hebellagers in dessen Freigabestellung. Das Betätigungselement kann derart ausgebildet sein, dass es die bei einer Relativverdrehung der Verschlusselemente auf das Hebellager einwirkenden Kräfte aufnimmt, ohne dass das Hebellager aus dessen Freigabestellung bewegt wird. Insoweit bildet das Betätigungselement eine Schwenkblockade des Schwenkelements in der Freigabestellung des Hebellagers.In this context, a structurally advantageous development provides that the pivoting element via the actuating element in the release position can be pressed and locked in this. The actuator comes in such a configuration to a dual function. On the one hand, the actuating element is designed as a kind of pushing element in such a way that arranged on the pivot member lever bearing is movable by applying a compressive force in its release position. On the other hand, the actuating element acts as a kind of holding element of the lever bearing in its release position. The actuating element can be designed such that it receives the forces acting on the lever bearing during a relative rotation of the closure elements, without the lever bearing being moved out of its release position. In that regard, the actuating element forms a pivotal blockage of the pivoting element in the release position of the lever bearing.
Eine weitere Ausgestaltung sieht vor, dass das Schwenkelement nach Zurückbewegen des Betätigungselements frei schwenkbar ist. Nach Zurückziehen des Betätigungselements kann das Schwenkelement aufgrund dessen frei schwenkbarer Ausbildung auf einfache Weise zurückschwenken und das Hebellager in dessen Sperrstellung verbringen. In diesem Zusammenhang ist es von Weiterem Vorteil, wenn das Schwenkelement derart ausgestaltet ist, dass es sich nach Entfernen des Betätigungselements eigengewichtbetätigt in die Sperrstellung bewegt.A further embodiment provides that the pivoting element is freely pivotable after moving back the actuating element. After retraction of the actuating element, the pivoting element can swing back in a simple manner due to the freely pivotable training and spend the lever bearing in its locked position. In this context, it is of further advantage if the pivoting element is designed such that it moves after removal of the actuating element self-weight actuated in the blocking position.
Gemäß einer konstruktiv vorteilhaften Weiterbildung des Schwenkelements wird vorgeschlagen, dass das Schwenkelement als Schwenkklinke ausgebildet ist, durch welche sich eine Richtungsänderung der über das Betätigungselement vorgegebenen Bewegungsrichtung erreichen lässt. Vorteilhaft kann es sich um eine winkelförmig ausgebildete Schwenkklinke handeln, deren Schenkel gegeneinander abgewinkelt verlaufen und in einem Zwischenbereich die Schwenkachse des Schwenkelements einschließen. In diesem Zusammenhang ist es ferner von Vorteil, wenn das Schwenkelement derart ausgebildet und angeordnet ist, dass der mit dem Betätigungselement zusammenwirkende Schenkel in der Freigabestellung im Wesentlichen vertikal und der andere Schenkel demgegenüber abgewinkelt verläuft. Durch die vertikale Ausrichtung des mit dem Betätigungselements zusammenwirkenden Schenkel lässt sich eine günstige Abstützung des Hebellagers in der Freigabestellung erreichen. Aufgrund des demgegenüber abgewinkelten Verlaufs des anderen Schenkels nimmt das Schwenkelement beim Entfernen des Betätigungselements eine instabile Lage ein. Es ergibt sich ein aufgrund des Gewichts des abgewinkelt verlaufenden Schenkels ein Kippmoment, welches zu einem eigengewichtinitiierten Zurückschwenken des Hebellagers in dessen Sperrstellung führt.According to a structurally advantageous development of the pivoting element, it is proposed that the pivoting element is designed as a pivoting pawl, by means of which a change in direction of the direction of movement predetermined via the actuating element can be achieved. Advantageously, it may be an angularly formed pivoting pawl, whose legs are angled relative to each other and enclose the pivot axis of the pivoting element in an intermediate region. In this context, it is also advantageous if the pivoting element is designed and arranged in such a way that the leg cooperating with the actuating element extends substantially vertically in the release position and the other leg in the opposite direction runs angled. Due to the vertical alignment the cooperating with the actuator leg can achieve a favorable support of the lever bearing in the release position. Due to the contrast, angled course of the other leg, the pivoting element takes an unstable position when removing the actuating element. This results in a tilting moment due to the weight of the angled limb, which leads to a self-weight-initiated pivoting back of the lever bearing in its locked position.
Um eine doppelte Entriegelungsmöglichkeit zu schaffen, kann es in diesem Zusammenhang von Vorteil sein, wenn das Schwenkelement als doppelte Schwenkklinke mit auf beiden Seiten des Hebellagers anordbaren Hebellagern ausgebildet ist. Durch die beidseitige Anordnung zweier Hebellager können Relativverdrehungen der beiden Verschlusselemente in beiden Richtungen, also sowohl Links- als auch Rechtsdrehungen, zum Aushebeln des zweiten Verschlusselements über die jeweiligen Hebellager genutzt werden.In order to create a double unlocking possibility, it can be advantageous in this context if the pivoting element is designed as a double pivoting pawl with lever bearings which can be arranged on both sides of the lever bearing. Due to the two-sided arrangement of two lever bearings relative rotations of the two closure elements in both directions, so both left and right turns, for levering the second closure element via the respective lever bearings can be used.
Im Hinblick auf eine kompakt bauende, wenig Teile erfordernde Konstruktion wird in weiterer Ausgestaltung vorgeschlagen, dass das Schwenkelement schwenkbeweglich an dem ersten Verschlusselement angeordnet ist. Das erste Verschlusselement kann als Schwenklager des Schwenkelements genutzt werden.With regard to a compact construction, requiring little parts construction is proposed in a further embodiment that the pivot member is pivotally mounted on the first closure element. The first closure element can be used as a pivot bearing of the pivoting element.
Eine weitere Ausgestaltung sieht vor, dass sich die Schwenkachse des Schwenkelements parallel zur Richtung der Raststruktur insbesondere horizontal erstreckt. In konstruktiver Ausgestaltung wird ferner vorgeschlagen, dass das Schwenkelement an einer Seitenfläche des ersten Verschlusselements angeordnet ist.A further embodiment provides that the pivot axis of the pivot element extends parallel to the direction of the latching structure in particular horizontally. In a constructive embodiment, it is further proposed that the pivoting element is arranged on a side surface of the first closure element.
Eine alternative Ausgestaltung sieht vor, dass sich die Schwenkachse des Schwenkelements quer zur Richtung der Raststruktur insbesondere vertikal erstreckt. Bei einer solchen Ausgestaltung kann das Schwenkelement an einer Unter- oder Oberseite des Verschlusselements angeordnet sein.An alternative embodiment provides that extends the pivot axis of the pivot member transversely to the direction of the latching structure in particular vertically. In such an embodiment, the pivoting element may be arranged on a lower or upper side of the closure element.
In alternativer Ausgestaltung wird vorgeschlagen, dass das Hebellager an einem über das Betätigungselement verschiebbaren Schubelement angeordnet ist. Auch durch die Zwischenschaltung eines Schubelements kann das Betätigungselement mit größerem Abstand zu den beiden Verschlusselementen angeordnet und das Hebellager über das Schubelement in dessen Freigabe- bzw. Sperrstellung verbracht werden.In an alternative embodiment, it is proposed that the lever bearing is arranged on a sliding element which can be displaced over the actuating element. Also by the interposition of a thrust element, the actuating element can be arranged at a greater distance from the two closure elements and the lever bearing can be moved via the thrust element in its release or blocking position.
In diesem Zusammenhang wird weiter vorgeschlagen, dass das Schubelement über das Betätigungselement in die Freigabestellung drückbar und in dieser arretierbar ist. Über das Betätigungselement ist Schubelement und das an diesem angeordnete Hebellager durch Aufbringen einer Druckkraft in dessen Freigabestellung bewegbar ist. Darüber hinaus hält das Betätigungselement das Hebellager in dessen Freigabestellung.In this context, it is further proposed that the thrust element via the actuating element in the release position can be pressed and locked in this. About the actuating element thrust element and arranged on this lever bearing is movable by applying a compressive force in its release position. In addition, the actuating element holds the lever bearing in its release position.
Eine in konstruktiver Hinsicht vorteilhafte Ausgestaltung des Schubelements sieht vor, dass das Schubelement über eine Feder in Richtung der Sperrstellung des Hebellagers vorgespannt ist. Die Feder kann derart angeordnet sein, dass diese sich beim Bewegen des Schubelements in die Freigabestellung spannt und das Schubelement nach Zurückziehen des Betätigungselements selbsttätig in dessen Sperrstellung bewegt.A structurally advantageous embodiment of the thrust element provides that the thrust element is biased by a spring in the direction of the locking position of the lever bearing. The spring may be arranged so that it spins when moving the thrust element in the release position and moves the thrust element after retraction of the actuating element automatically in its blocking position.
Eine alternativer Ausgestaltung sieht vor, dass das Betätigungselement mit dem Schubelement druck- und zuggekoppelt verbunden ist. Über die Druckkopplung kann das Schubelement in die Freigabestellung geschoben werden.An alternative embodiment provides that the actuating element is connected to the thrust element pressure and zuggekoppelt. About the pressure coupling, the thrust element can be pushed into the release position.
Über die Zugkopplung kann das Schubelement beim Zurückfahren des Schubelements mitgenommen und auf diese Weise das Hebellager in die Sperrstellung verbracht werden.About the traction coupling, the thrust element can be taken during retraction of the thrust element and spent in this way, the lever bearing in the locked position.
In konstruktiver Weiterbildung wird ferner vorgeschlagen, dass das Schubelement axial bewegbar an dem ersten Verschlusselement angeordnet ist. Das erste Verschlusselement dient damit auch als Aufnahme des Schubelements, so dass keine separate Aufnahme erforderlich ist und sich eine geringe Teilezahl ergibt.In constructive development, it is further proposed that the thrust element is arranged to be axially movable on the first closure element. The first closure element thus also serves as a receptacle of the push element, so that no separate receptacle is required and results in a small number of parts.
In diesem Zusammenhang ist es für einen definierten Bewegungsablauf von Vorteil, wenn die Bewegungen des Schubelements über eine Axialführung geführt sind. Als Führung kann beispielsweise eine Bolzen-/Langlochführung dienen. Dabei kann insbesondere vorgesehen sein, dass der Bolzen an dem ersten Verschlusselement und das Langloch demgegenüber beweglich an dem Schubelement angeordnet ist.In this context, it is for a defined movement advantageous if the movements of the thrust element are guided over an axial guide. As a guide, for example, serve a bolt / slot guide. It can be provided in particular that the bolt on the first closure element and the slot is arranged on the other hand movable on the thrust element.
Um eine doppelte Entriegelungsmöglichkeit zu schaffen, kann gemäß einer weiteren Ausgestaltung vorgesehen sein, dass das Schubelement jeweils ein Hebellager auf beiden Seiten des ersten Verriegelungselements aufweist. Durch die beidseitige Anordnung von Hebellagern können Relativbewegungen der Verschlusselemente in beiden Richtungen, also sowohl Links- als auch Rechtsdrehungen, zum Aushebeln des zweiten Verschlusselements über die jeweiligen Hebellager genutzt werden.In order to provide a double unlocking possibility, it can be provided according to a further embodiment that the thrust element in each case has a lever bearing on both sides of the first locking element. By the two-sided arrangement of lever bearings relative movements of the closure elements in both directions, so both left and right turns, for levering the second closure element via the respective lever bearings can be used.
Im Hinblick auf eine bedienerfreundliche Konstruktion wird in weiterer Ausgestaltung vorgeschlagen, dass das zweite Verschlusselement über einen Betätigungsgriff drehbar und das erste Verschlusselement feststehend ausgebildet ist. Der Betätigungsgriff kann an einem schwenkbeweglichen Betätigungshebel angeordnet sein, der in einem vorgegebenen Winkelbereich von beispielsweise 45° aus einer vorzugsweise vertikalen Indexstellung zu beiden Seiten hin auslenkbar ist. In diesem Zusammenhang wird weiter vorgeschlagen, dass der Betätigungsgriff derart mit einer Federkraft beaufschlagt ist, dass dieser dazu neigt, stets in seine Indexstellung zurückzuschwenken.With regard to a user-friendly construction, it is proposed in a further embodiment that the second closure element is rotatable via an actuating handle and the first closure element is designed to be stationary. The operating handle may be on a pivoting actuating lever be arranged, which is deflected in a predetermined angular range of for example 45 ° from a preferably vertical index position to both sides. In this context, it is further proposed that the actuating handle is acted upon by a spring force such that it tends to zurückzuschwenken always in its index position.
Weiterhin wird vorgeschlagen, dass das zweite Schließelement als Schließzapfen ausgebildet ist und sich das Betätigungselement parallel zur Achse des Schließzapfens erstreckt.Furthermore, it is proposed that the second closing element is designed as a locking pin and the actuating element extends parallel to the axis of the locking pin.
Schließlich wird im Hinblick auf eine ein automatisches Entriegeln der Verriegelung erlaubende Ausgestaltung vorgeschlagen, dass das Hebellager von der Freigabestellung in eine Offenstellung bewegbar ist, in welcher die Verriegelung an der Raststruktur unabhängig von der Drehstellung der Verschlusselemente ausgehebelt ist. Durch Bewegen des Hebellagers in dessen Offenstellung wird die Tür automatisch geöffnet. Über das Hebellager wird das zweite Verschlusselement soweit angehoben, dass die Verriegelung an der Raststruktur gelöst wird und die Tür unter dem Einfluss der über die Türdichtung aufgebrachten Schließkraft zumindest einen Spalt weit aufspringt. Ein Überführen des Hebellagers in dessen Offenstellung kann insbesondere im Rahmen von Gar- oder Backvorgängen bei Erreichen eines voreingestellten Zeitpunkts erfolgen, so dass sich die Tür beispielsweise nach einer voreingestellten Zeit von fünfzehn Minuten öffnet ohne dass der Bediener diese Zeiten selbst überwachen und das Gerät von Hand öffnen muss.Finally, with regard to an automatic unlocking of the lock permitting configuration is proposed that the lever bearing is movable from the release position to an open position in which the lock is levered to the latching structure regardless of the rotational position of the closure elements. By moving the lever bearing in its open position, the door is automatically opened. About the lever bearing, the second closure element is raised so far that the lock on the latching structure is released and the door under the influence of applied over the door seal closing force jumps open at least a gap. A transfer of the lever bearing in its open position can be done in particular in the context of cooking or baking operations when reaching a preset time, so that the door opens, for example, after a preset time of fifteen minutes without the operator monitor these times themselves and the device by hand must open.
Weitere Einzelheiten und Vorteile eines erfindungsgemäßen Verschlusses werden nachfolgend unter Zuhilfenahme der beigefügten Zeichnungen von Ausführungsbeispielen erläutert werden. Darin zeigen:
- Fign. 1
bis 3 - eine Ausführung eines Verschluss in einer ersten Stellung, wobei das Hebellager in dessen Freigabestellung angeordnet ist,
- Fign. 4 bis 6
- den
Verschluss gemäß Fign 1 in einer zweiten Stellung, wobei das Hebellager in dessen Freigabestellung angeordnet ist,bis 3 - Fign. 7 und 8
- in perspektivischer Darstellung vergrößerte Detailansichten,
- Fign. 9 bis 16
- Darstellungen des Verschluss gemäß den Darstellungen der
Fign. 1 , in welchen das Hebellager in dessen Sperrstellung angeordnet ist,bis 8 - Fign. 17 bis 19
- einen Verschluss gemäß einer zweiten Ausführung, bei welchem das Hebellager in dessen Freigabestellung angeordnet ist,
Fign 20 bis 22- Ansichten des Verschlusses gemäß den Darstellungen in den
Fign. 17 bis 19 , bei welchen das Hebellager in dessen Sperrstellung angeordnet ist, - Fig. 23
- eine Ansicht eines Verschlusses gemäß einer weiteren Ausführung in dessen Freigabestellung,
- Fig. 24
- eine Ansicht des Verschlusses aus
Fig. 23 in dessen Sperrstellung, - Fig. 25
- eine Ansicht eines Verschlusses gemäß den Darstellungen in
den Figuren 1 bis 16 zur Veranschaulichung einer Offenstellung und - Fig. 26
- eine weitere Ansicht des Verschlusses gemäß
Fig. 25 .
- FIGS. 1 to 3
- an embodiment of a closure in a first position, wherein the lever bearing is arranged in its release position,
- FIGS. 4 to 6
- the closure according to
Fign 1 to 3 - FIGS. 7 and 8
- in perspective enlarged detail views,
- FIGS. 9 to 16
- Illustrations of the closure according to the representations of
FIGS. 1 to 8 in which the lever bearing is arranged in its blocking position, - FIGS. 17 to 19
- a closure according to a second embodiment, wherein the lever bearing is arranged in its release position,
-
Fign 20 to 22 - Views of the closure according to the illustrations in the
FIGS. 17 to 19 in which the lever bearing is arranged in its blocking position, - Fig. 23
- a view of a closure according to a further embodiment in its release position,
- Fig. 24
- a view of the lock
Fig. 23 in its locked position, - Fig. 25
- a view of a closure according to the representations in the
FIGS. 1 to 16 to illustrate an open position and - Fig. 26
- another view of the closure according to
Fig. 25 ,
In
Einzelheiten des Geräts bzw. der an diesem angeordneten Tür sind in den Figuren aus Gründen der Übersicht nicht dargestellt.Details of the device or arranged on this door are not shown in the figures for reasons of clarity.
Die einzelnen Bestandteile des Verschlusses 1 sind bei den in den Figuren dargestellten Ausführungsbeispielen derart angeordnet, dass das erste Verschlusselement 2 gehäusefest an einer Türzarge bzw. dem Gerätegehäuse festgelegt ist. Das zweite Verschlusselement 3 ist an dem Türblatt angeordnet und kann den Bewegungen des Türblatts beim Öffnen bzw. Schließen der Tür folgend gegenüber dem feststehenden ersten Verschlusselement 2 bewegt werden. Alternativ wäre es jedoch auch denkbar, das erste Verriegelungselement 2 an dem Türblatt und das zweite Verriegelungselement 3 an dem Gehäuse anzuordnen.The individual components of the
Wie die Darstellung insbesondere in
Das erste Verschlusselement 2 ist nach Art eines länglichen Schließzapfens ausgebildet und erstreckt sich in Richtung des türseitigen Verschlusselements 3. Das Verschlusselement 2 ist von zapfenförmiger Geometrie und über einen Gewindeabschnitt 2.1 in einer Öffnung des Gerätegehäuses 21 fixiert, vgl. insbesondere
Nachfolgend werden zunächst die Vorgänge beim Verriegeln des zweiten Verriegelungselements 3 an dem ersten Verriegelungselement 2 erläutert werden, bevor dann der Entriegelungsvorgang und Einzelheiten des Hebellagers 5 erläutert werden.Hereinafter, first, the operations of locking the
Beim Verriegeln nähert sich das Türblatt und mit diesem das zweite Verschlusselement 3 dem feststehenden Verschlusselement 2 an. Das Verschlusselement 3 befindet sich dabei zunächst in einer im Wesentlichen waagerechten Stellung bis es auf das freie Ende des in etwa auf gleicher Höhe angeordneten, als Schließzapfen ausgebildeten ersten Verschlusselements 2 trifft. Das Verschlusselement 3 gelangt dabei mit seinem Verriegelungsbereich 3.3 mit der Anschrägung 2.2 des ersten Verschlusselements 2 in Anlage, welche beim weiteren Schließen des Türblatts wie eine Art Hubschräge wirkt. Hierdurch beginnt die im Verriegelungsbereich 3.3 des zweiten Verschlusselements 2 vorgesehene Rolle auf der Anschrägung 2.2 des ersten Verschlusselements 3 abzurollen und das zweite Verschlusselement 3 beginnt entgegen der Kraft der an dem Betätigungsgriff 20 vorgesehen Feder 11 aus seiner waagerechten Stellung nach oben auszuschwenken.When locking, the door leaf and with this the
In einem nächsten Schritt tritt der Verriegelungsbereich 3.3 des zweiten Verschlusselements 3 in die vordere Raststruktur 6 des ersten Verschlusselements 2 ein. Das Verschlusselement 3 federt unter dem Einfluss der Feder 11 nach unten in die Raststruktur 6 bevor es dann beim weiteren Schließen des Türblatts auf eine zweite Anschrägung 2.3 trifft, wiederum über diese angehoben wird und schließlich unter Federkraft in der Raststruktur 4 verriegelt. In dieser Stellung angekommen ist die Tür geschlossen und das Gerät kann beispielsweise zum Garen von Speisen verwendet werden.In a next step, the locking region 3.3 of the
Um die auf diese Weise zwischen den Verschlusselementen 2, 3 hergestellte Verriegelung von Hand lösen zu können, ist es erforderlich, dass die Verschlusselemente 2, 3 relativ zueinander verdreht werden. Bei den Ausführungsbeispielen wird das zweite Verschlusselement 2 durch Betätigung des Griffs 20 gegenüber dem feststehenden ersten Verschlusselements 3 verschwenkt, wodurch der Verriegelungsbereich 3.3 gegenüber dem ersten Verschlusselement 2 auf dessen Umfang auch gegenüber den Raststrukturen 4, 6 verschwenkt wird. Der Griff 20 ist hierzu in einem Winkelbereich von 45° ausgehend von einer im Wesentlichen senkrechten Indexstellung nach rechts bzw. links verschwenkbar ausgebildet.In order to be able to release the lock produced in this way between the
Bei einer Linksverschwenkung des Griffs 20 trifft der nach rechts verschwenkte Verriegelungsbereich 3.3 des zweiten Verschlusselements 3 auf das seitlich an dem ersten Verschlusselement 3 angeordnete Hebellager 5. Das Hebellager 5 befindet sich in dessen Freigabestellung, so dass der Verriegelungsbereich 3.3 des zweiten Verschlusselements 3 ausgehend von der in den
Das Hebellager 5 bildet in dessen Freigabestellung eine Art Kippkante, welche dafür sorgt, dass das Verschlusselement 3 nicht um die Drehachse des Griffs 20 dreht, sondern in einer Art Kippbewegung über das seitlich gegenüber der Drehachse des Griffs 20 versetzt angeordnete Hebellager 5 ausgehebelt wird. Beim Aushebeln weicht das Verschlusselement 3 entgegen der Kraft der Feder 11 nach oben aus, wodurch sich der Drehabstand zwischen den beiden Verschlusselementen 2, 3 erhöht und der Hinterschnitt der Raststruktur 4 überwunden werden kann. Durch Ziehen an dem Türgriff 20 gleitet der Verriegelungsbereich 3.3 des ersten Schließelements 2 über den Hinterschnitt 4 hinweg.The
Im nächsten Schritt trifft der Verriegelungsbereich 3.3 auf die eine Zwischenverriegelungsstufe bildende Raststruktur 6 und verriegelt erneut. Die Zwischenverriegelung dient dazu, die Tür zunächst nicht ganz zu Öffnen, sondern nur einen definierten Öffnungsspalt zu schaffen, um beispielsweise heiße Dämpfe kontrolliert aus dem Gerät austreten lassen zu können. Um die Zwischenverriegelung zu lösen, kann der Griff 20 in umgekehrter Drehrichtung, also nach rechts verschwenkt werden, wonach er dann über eine an der zweiten Raststruktur 6 vorgesehene seitliche Ausnehmung 6.1 geführt und die Verriegelung insgesamt gelöst und die Tür vollständig geöffnet werden kann, vgl. insbesondere
Um in bestimmten Situationen den Zugang zum Inneren des Geräts beispielsweise aus Sicherheitsgründen zu unterbinden, ist das Hebellager 5 zur Zugangskontrolle aus dem Drehbereich der beiden Verschlusselemente, 3 entfernbar ausgebildet. Hierzu ist das Hebellager 5 gegenüber beiden bei geschlossener Tür gegeneinander verspannten Verschlusselementen 2, 3 auf leichtgängige Weise frei bewegbar angeordnet.In order to prevent access to the interior of the device in certain situations, for example, for security reasons, the
Nach Entfernen des Hebellagers 5 führt eine Drehbewegung des zweiten Verschlusselements 3 nicht zu einer Abstandsänderung der beiden Verschlusselemente 2, 3, so dass das zweite Schließelement 3 nicht über den Hinterschnitt der Raststruktur 4 des zweiten Schließelements 3 hinweg treten und auf diese Weise die Verriegelung zwischen den beiden Verschlusselementen gelöst werden kann, vgl. insbesondere
Um das Hebellager 5 zwischen der Freigabestellung und der Sperrstellung bewegen zu können, ist ein motorisch angetriebenes Betätigungselement 7 vorgesehen. Der motorische Antrieb ist in den Figuren nicht dargestellt, kann aufgrund der leichgängigen, wenig Kraft erfordernden Bewegbarkeit des Hebellagers 5 jedoch vergleichsweise klein dimensioniert werden, wodurch sich ein konstruktiv günstiger, wirtschaftlich vorteilhafter Aufbau realisieren lässt.In order to move the
Das Hebellager 5 kann in konstruktiv einfacher Weise direkt von dem Betätigungselement 7 oder durch ein zusätzliches Element gebildet werden, welches durch Betätigung des Betätigungselements 7 bewegt wird. Bei den Ausführungen gemäß den
Wie insbesondere die Darstellungen in den
Das Schwenkelement 8 ist mit dessen im Wesentlichen horizontal ausgerichteter Schwenkachse S schwenkbeweglich an einer Seite des zapfenförmigen Verschlusselements 2 angelenkt, so dass das Hebellager 5 von der in
Zum Überführen des Schwenklagers 5 in die Sperrstellung wird das stangenförmige Betätigungselement 7 in Richtung des Gehäuses zurückgezogen. Hieraufhin nimmt das Schwenkelement 8 eine instabile Lage ein und beginnt eigengewichtbetätigt in die in den
Die
Eine alternative Ausbildung des über das Betätigungselement 7 betätigten, zusätzlichen Elements ist in den
Das Schubelement 9 ist schiebbeweglich an dem ersten Verriegelungselement 2 angeordnet, wobei die Bewegungen des Schubelements 9 über eine Axialführung 10 geführt werden, die von einer Bolzen-/Langlochführung gebildet wird, bei welcher ein feststehender Bolzen 10.1 in ein an dem Schubelement 9 vorgesehenes Langloch 10.2 eingreift, vgl.
Im Gegensatz zu der ersten Ausführung, bei welcher das Hebellager 5 an einem Schwenkelement 8 angeordnet ist, bildet das Schubelement 9 ein doppeltes Hebellager mit zwei auf beiden Seiten des ersten Verschlusselements 2 angeordneten Hebellagern 5, vgl.
Wie die Darstellung in den
Der zuvor beschriebene Verschluss 1 zeichnet sich durch einen vergleichsweise einfachen, eine Zugangskontrolle erlaubenden Aufbau aus. Durch die doppelte Bewegbarkeit des Hebellagers 5 sowohl gegenüber dem ersten Verschlusselement 2 wie auch dem zweiten Verschlusselement 3 kann das Hebellager mit geringem Kraftaufwand zwischen dessen Freigabestellung sowie dessen Sperrstellung hin- und her bewegt werden, so dass sich zum Zwecke der Zugangskontrolle vergleichsweise klein dimensionierte Antriebe verwenden lassen. Das Hebellager 5 kann derart angeordnet werden, dass es abseits eines über die Schließkraft der Türdichtung erzeugten, über das erste und zweite Verschlusselement 2, 3 verlaufenden Lastpfads bewegbar ist, wodurch sich eine leichtgängige Bewegbarkeit ergibt.The
Da das Betätigungselement 7 zudem einen vergleichsweise großen Abstand gegenüber dem von außen oftmals nur schwer zugänglichen Bereich der Raststruktur 4 aufweist, kann die Verriegelung in Notsituationen auch manuell gelöst werden, etwa in solchen Situationen, in welchen der Antrieb des Betätigungselements 7 ausgefallen oder dessen Stromversorgung unterbrochen ist. Hierzu kann ein spitzer Gegenstand seitlich in den Bereich des Betätigungselements 7 eingebracht und über Druckaufbringung auf das Schwenkelement 8 bzw. das Schubelement 9 das Hebellager 5 in die Freigabestellung verbracht und die Tür geöffnet werden.Since the
- 11
- Verschlussshutter
- 22
- Verschlusselementclosure element
- 2.12.1
- Gewindeabschnittthreaded portion
- 2.22.2
- Anschrägungbevel
- 2.32.3
- Anschrägungbevel
- 33
- Verschlusselementclosure element
- 3.13.1
- Schenkelleg
- 3.23.2
- Schenkelleg
- 3.33.3
- Verriegelungsbereichlocking area
- 44
- RaststrukturRest structure
- 55
- Hebellagerlever bearing
- 66
- RaststrukturRest structure
- 77
- Betätigungselementactuator
- 88th
- Schwenkelementpivoting element
- 8.18.1
- Schenkelleg
- 8.28/2
- Schenkelleg
- 8.38.3
- Schenkelleg
- 8.48.4
- Erhöhungincrease
- 99
- Schubelementpush element
- 1010
- Axialführungaxial guidance
- 10.110.1
- Bolzenbolt
- 10.210.2
- LanglochLong hole
- 1111
- Federfeather
- 1212
- DruckstückPressure piece
- 2020
- Betätigungsgriffoperating handle
- 2121
- Gehäusecasing
- SS
- Schwenkachseswivel axis
Claims (15)
- Closure for closing a door, in particular an appliance door, having a second closure element (3), which can be locked on a latching structure (4) of a first closure element (2) and can be rotated relative to the first closure element (2) for unlocking purposes, and having a lever bearing (5), which is arranged in a movable manner in relation to the second closure element (3) and also in relation to the first closure element (2) and can be transferred from a release position, in which, as a result of rotation of the closure elements (2, 3) relative to one another, it levers out the locking on the latching structure (4), into a blocking position, in which the locking on the latching structure (4) is maintained when the closure elements (2, 3) rotate relative to one another.
- Closure according to Claim 1, characterized in that the lever bearing (5) can be moved between the release position and the blocking position via an actuating element (7).
- Closure according to Claim 2, characterized in that the lever bearing (5) is arranged on a pivoting element (8) which can be pivoted via the actuating element (7).
- Closure according to Claim 3, characterized in that the pivoting element (8) can be pushed into the release position, and arrested therein, via the actuating element (7).
- Closure according to Claim 4, characterized in that the pivoting element (8) can be pivoted freely once the actuating element (7) has moved back.
- Closure according to one of Claims 3 to 5, characterized in that the pivoting element (8) is designed in the form of a freely rotatable pivoting catch.
- Closure according to Claim 2, characterized in that the lever bearing (5) is arranged on a sliding element (9) which can be displaced via the actuating element (7).
- Closure according to Claim 7, characterized in that the sliding element (9) can be pushed into the release position, and arrested therein, via the actuating element (7).
- Closure according to Claim 8, characterized in that the sliding element (9) is prestressed in the direction of the blocking position of the lever bearing (5) via a spring.
- Closure according to Claim 8, characterized in that the actuating element (7) is coupled to the sliding element (9) for pushing and pulling action.
- Closure according to one of the preceding claims, characterized in that the first closure element (2) can be rotated via an actuating handle (20) and the second closure element (3) is fixed.
- Closure according to one of the preceding claims, characterized in that the first closure element (2) is designed in the form of a closing pin.
- Closure according to Claim 12, characterized in that the actuating element (7) extends parallel to the axis of the first closure element (2).
- Closure according to one of the preceding claims, characterized in that the second closure element (3) is designed in the form of a spring element which is prestressed in the direction of the latching structure (4).
- Closure according to Claim 14, characterized in that the second closure element (3) is designed in the form of a spring bracket with two spring legs (3.1, 3.2) and a locking region (3.3), which extends between the spring legs (3.1, 3.2) and can be locked in the latching structure (4).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110051884 DE102011051884A1 (en) | 2011-07-15 | 2011-07-15 | Closure for closing a door, in particular a device door |
PCT/DE2012/100210 WO2013010534A1 (en) | 2011-07-15 | 2012-07-11 | Closure for closing a door, in particular an appliance door |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2732113A1 EP2732113A1 (en) | 2014-05-21 |
EP2732113B1 true EP2732113B1 (en) | 2016-11-09 |
Family
ID=46583824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12740475.4A Active EP2732113B1 (en) | 2011-07-15 | 2012-07-11 | Closure for closing a door, in particular an appliance door |
Country Status (7)
Country | Link |
---|---|
US (1) | US9631405B2 (en) |
EP (1) | EP2732113B1 (en) |
DE (1) | DE102011051884A1 (en) |
DK (1) | DK2732113T3 (en) |
ES (1) | ES2612235T3 (en) |
RU (1) | RU2608286C2 (en) |
WO (1) | WO2013010534A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202015103088U1 (en) * | 2015-06-12 | 2016-09-14 | Steinbach & Vollmann Gmbh & Co. Kg | Closure for a door |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1309310A (en) * | 1919-07-08 | Henry g | ||
US1338052A (en) * | 1919-08-01 | 1920-04-27 | Henry G Voight | Door-holder |
US2872241A (en) * | 1954-11-19 | 1959-02-03 | Shelden Charles Hunter | Combined door and seat lock for automobiles |
US3011816A (en) * | 1960-09-19 | 1961-12-05 | Jervis Corp | Latch mechanism |
US3733456A (en) * | 1971-09-07 | 1973-05-15 | Amana Refrigeration Inc | Microwave oven door latch |
US4082078A (en) * | 1976-10-06 | 1978-04-04 | Litton Systems, Inc. | Pyrolytic lock assembly |
GB1600691A (en) * | 1978-01-23 | 1981-10-21 | Eaton Sa Monaco | Washing material dispensers |
US4159837A (en) * | 1978-07-27 | 1979-07-03 | Morita Hardware Manufacturing, Inc. | Combination door stop and latching device |
US4302864A (en) * | 1979-11-16 | 1981-12-01 | Morita Mike Y | Combination door stop and latching device |
AU596039B2 (en) * | 1988-05-20 | 1990-04-12 | Kabushiki Kaisha Toshiba | Cooker |
DE4208216A1 (en) * | 1992-03-14 | 1993-09-16 | Wiesheu Gmbh | Hot chamber door lock - has sliding locking bar and grooved locking pin to reduce wear and give longer sealing life when door is closed |
DE19910564C2 (en) * | 1999-03-10 | 2003-06-26 | Dometic Gmbh | Safety lock, in particular for doors in built-in areas of mobile homes |
ATE261047T1 (en) | 1999-12-24 | 2004-03-15 | Rahrbach Gmbh | CLOSURE FOR APPLIANCE DOORS |
FR2814192B1 (en) * | 2000-09-20 | 2003-08-29 | Tordo Belgrano Sa | SECURITY DEVICE FOR SHUTTER HOOKS |
DE102009016812B4 (en) | 2008-04-11 | 2022-02-03 | Rahrbach Gmbh | Door lock for a thermal cooking and/or baking device |
DE102009017246A1 (en) | 2008-04-11 | 2009-10-15 | Rahrbach Gmbh | Closure for device door i.e. furnace door, has locking latch movable between fixed position and release position and stopping unlocking of closure during actuation of handle, where locking latch is arranged outside of closure |
DE102009014233A1 (en) | 2008-12-23 | 2010-06-24 | Convotherm Elektrogeräte GmbH | Closure for door of cooking device, has retainer supported such that relative motion is caused by movement of door handle between retainer and closing pin, where closing pin is axially and rotatably supported at equipment housing |
DE102010007952B4 (en) | 2009-08-21 | 2021-08-26 | Convotherm Elektrogeräte GmbH | Lock for a door of a cooking appliance |
DE102010032742B3 (en) | 2010-07-29 | 2011-05-26 | Steinbach & Vollmann Gmbh & Co. Kg | Lock for device door i.e. heating device door, has locking element deflected from locking condition by handle, such that hook boss is released from recess for opening door when opening lug is supported at bearing surface of locking part |
-
2011
- 2011-07-15 DE DE201110051884 patent/DE102011051884A1/en not_active Withdrawn
-
2012
- 2012-07-11 RU RU2014105459A patent/RU2608286C2/en active
- 2012-07-11 WO PCT/DE2012/100210 patent/WO2013010534A1/en active Application Filing
- 2012-07-11 EP EP12740475.4A patent/EP2732113B1/en active Active
- 2012-07-11 ES ES12740475.4T patent/ES2612235T3/en active Active
- 2012-07-11 US US14/233,153 patent/US9631405B2/en active Active
- 2012-07-11 DK DK12740475.4T patent/DK2732113T3/en active
Also Published As
Publication number | Publication date |
---|---|
EP2732113A1 (en) | 2014-05-21 |
RU2014105459A (en) | 2015-08-27 |
WO2013010534A1 (en) | 2013-01-24 |
DE102011051884A1 (en) | 2013-01-17 |
US9631405B2 (en) | 2017-04-25 |
ES2612235T3 (en) | 2017-05-12 |
RU2608286C2 (en) | 2017-01-17 |
DK2732113T3 (en) | 2017-02-13 |
US20140159381A1 (en) | 2014-06-12 |
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