EP1875022B1 - Household appliance comprising a locking device - Google Patents

Household appliance comprising a locking device Download PDF

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Publication number
EP1875022B1
EP1875022B1 EP20060743299 EP06743299A EP1875022B1 EP 1875022 B1 EP1875022 B1 EP 1875022B1 EP 20060743299 EP20060743299 EP 20060743299 EP 06743299 A EP06743299 A EP 06743299A EP 1875022 B1 EP1875022 B1 EP 1875022B1
Authority
EP
European Patent Office
Prior art keywords
domestic appliance
trough
appliance according
door
closing
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
Application number
EP20060743299
Other languages
German (de)
French (fr)
Other versions
EP1875022A1 (en
Inventor
Michael Hartmann
Dieter Hotz
Cengiz Kücük
Bernd Schessl
Erich Schmid
Martin Stickel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL06743299T priority Critical patent/PL1875022T3/en
Publication of EP1875022A1 publication Critical patent/EP1875022A1/en
Application granted granted Critical
Publication of EP1875022B1 publication Critical patent/EP1875022B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • A47L15/4259—Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C1/00—Fastening devices with bolts moving rectilinearly
    • E05C1/08—Fastening devices with bolts moving rectilinearly with latching action
    • 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
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0014—Locks or fastenings for special use to prevent opening by children
    • 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
    • Y10S292/04—Automatic release latches
    • 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
    • Y10S292/11—Cover fasteners
    • 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
    • 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
    • Y10T292/0863—Sliding and rotary
    • Y10T292/0867—Spring projected
    • 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
    • Y10T292/0911—Hooked end
    • 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
    • Y10T292/1043—Swinging
    • 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
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head
    • Y10T292/1045—Operating means
    • Y10T292/1047—Closure
    • 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
    • Y10T292/54—Trippers
    • Y10T292/558—Sliding bolt, swinging detent
    • 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
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/554—Cover, lid, cap, encasing shield

Definitions

  • the invention relates to a domestic appliance, in particular a dishwasher, with a device for locking a movable closing element, in particular a door, a lid, a flap or the like with a arranged on the housing and / or frame and / or washing container of the household appliance closing hook or locking pin, the engageable with an engagement portion in the closure member for closing a treatment space and disengaging to open the treatment space.
  • the publication DE 203 20 530 U1 shows a locking device for a door in which a rotary lock on the device engages in an engagement portion on the door in the locking position.
  • the engagement portion is formed by a rectangular in cross section recording, which runs along the entire upper edge of the door.
  • a locking device for a dishwasher wherein in the upper edge of the door of the dishwasher, a recess is provided, in which a web is arranged.
  • a downwardly extending collar element which is arranged in the housing of the dishwasher, engages in the recess.
  • the collar member is open at the bottom and out of it protrudes a pin member whose front end rests in the locking position on the web of the recess. As the door is moved to the lock position, the pin is raised, resulting in the actuation of a microswitch.
  • the publication DE 31 19 764 A1 shows a dishwasher in which engages in the closed state of the machine door, a locking bolt from above into an opening on the front side of the door.
  • the pamphlets US 4,776,620 and US 3,997,201 show locking devices for doors of household appliances, wherein in the locked position engages a locking pin in the door in a closing plate on the housing.
  • the locking devices known from the prior art have in particular the disadvantage that they are complicated to manufacture and are constructed in some cases complicated.
  • the object of the invention is therefore to provide a household appliance with a locking device, which are easier to implement than known from the prior art household appliances with locking devices.
  • a domestic appliance in particular a dishwasher, with a device for locking a movable closing element, in particular a door, a lid, a flap or the like with a arranged on the housing and / or frame and / or washing container of the household appliance closing hook or locking pin with an engagement portion in the closure member is engageable to close a treatment space and disengaged to open the treatment space, the engagement portion is embossed in the closure member.
  • the engagement portion is formed by a trough in the closing element.
  • the engagement portion is arranged on an edge of the closing element, in particular a door.
  • the flanks are preferably the side walls of the door of the household appliance, in particular the inner door of the dishwasher.
  • the door is preferably constructed of an inner door and an outer door.
  • the engagement portion is disposed on an upper flank of the closure member.
  • the engagement portion is disposed on an opposite side of the axis of rotation of the closing element.
  • the engagement portion is arranged centrally in the longitudinal extent of the flank in the flank.
  • the engagement portion is formed by a trough in the closing element.
  • Troughs are easy to make embodiments of recesses and thus allow easy production of the engagement portion of the locking element.
  • Under depression is to be understood in particular a depression with a closed in plan view of the trough border. Furthermore, the trough has no opening or hole toward the interior of the closing element.
  • the trough is in this case formed integrally with the closing element, in particular impressed in the closing element.
  • the trough is formed in the closing element by a simple method step, in which a corresponding embossing tool moves into the closing element.
  • the closing element is formed by a pivotable and / or sliding door, in particular by an inner door, wherein the door is provided for closing the accessible via an opening interior of the housing of the household appliance.
  • the inner door is in particular a sheet metal part, wherein, for example, in the end face of the sheet metal part, the trough is formed, in particular embossed. If the trough is provided on the upper edge of the door, the locking hook or locking pin is preferably integrated in the housing roof of the household appliance, thereby ensuring a simple interaction between the locking hook and trough.
  • the interaction of the closing hook or locking pin with the trough is preferably such that, during locking, the closing hook or locking pin is moved substantially perpendicularly into the trough. In this way, a quick and secure engagement of the hook is ensured in the trough when closing.
  • the trough has in plan view a substantially rectangular edge, wherein the edge preferably comprises rounded corners and / or edges.
  • the trough has a shape such that it tapers towards its lowest point.
  • the trough in particular a first, steeply to its lowest point extending portion and a second, the first portion opposite and extending flat to its lowest point section.
  • the first steep section forms a stop for the locking hook or locking pin in the locked state of the closing element to prevent the opening of the closing element. Due to its steepness effectively moving out of the closing hook is prevented from the trough.
  • the first section extends in a preferred embodiment of the invention at an angle between 80 and 90 degrees, in particular at an angle of substantially 85 degrees, to the opening plane of the trough.
  • the second, flat portion extends at an angle of 45 degrees or less, preferably at an angle between 10 and 30 degrees and most preferably at an angle of substantially 20 degrees to the opening plane of the trough.
  • first and / or second section are designed substantially trapezoidal.
  • first and / or the second portion are circumferentially connected within the trough of rounded portions. These shapes are particularly well suited to make the trough by embossing.
  • the engagement portion in particular the trough, integral with the door, in particular the inner or outer door, formed.
  • Fig. 1 shows a schematic sectional view of an embodiment of the locking device in a household appliance according to the invention (not shown), which is used to lock the door of a dishwasher according to the invention (not shown) on its housing.
  • Fig. 1 is indicated by the reference numeral 1, the roof of the container of a dishwasher, being positioned in the interior 2 of the dishwasher to be cleaned dishes.
  • the access opening to the interior 2 is closed by a pivotable door 3, which has an inner door 3a, which is formed by an embossed metal sheet on the inside of the door 3.
  • a seal 4 is schematically indicated, which is circumferentially formed at the edge of the access opening to the interior and serves to seal between the inner door 3a and the housing 1.
  • the dishwasher comprises a locking device, which is formed by a locking pin or locking hook 5 and a corresponding recess 6 on the front side or upper edge 3b of the door.
  • the locking hook 5 is integrated in a lock housing within the container roof and engages in the locked state in the trough 6 in the inner door 3a.
  • the locking hook 5 is indicated only schematically and it is any shape design of the hook possible.
  • the hook is preferably spring loaded, with the spring force pushing the hook down.
  • the locking hook In the locking devices commonly used in dishwashers, the locking hook is located in the inner door behind an opening. In this opening when closing the door engages a corresponding closing plate on the housing, whereupon the locking hook falls into a hole in the closing plate and causes the lock.
  • a corresponding closing plate on the housing In this purpose, on the one hand space for the mechanism of the locking hook behind the panel of the door is required and on the other hand, an opening must be provided in the inner door, which can lead to the ingress of water into the interior of the door during operation of the dishwasher according to the invention.
  • the locking hook in the housing and / or frame and / or the rinsing arranged and he cooperates with a trough for receiving the hook, so that on the one hand can be dispensed with an opening in the inner door and the other in the Interior door no space for the locking hook must be provided. It is thus prevents the ingress of water into the interior of the door and also created space in the inner door, since the lock with locking hook is now integrated in existing space in the housing. The released space in the inner door can now be effectively used for other components, such as a switching and control system of the dishwasher.
  • Fig. 2 shows a plan view of the end face 3b of FIG Fig. 1 shown inner door 3a.
  • the hollow is in Longitudinal direction of the end face centered between the left and right ends (not shown) of the front side.
  • the trough is designed in its opening plane substantially rectangular in shape, wherein the corners and edges are rounded in the opening plane accordingly.
  • An essential aspect of in Fig. 2 shown trough is that the trough is an integral part of the inner door, that is, the trough is imprinted into the inner door with a corresponding tool.
  • the trough 6 comprises a trapezoidal, relatively flat with respect to the opening plane extending portion 6a, at the right and left in the circumferential direction of the trough each followed by a rounded portion 6b.
  • the trapezoidal portion 6a tapers toward the lowest point 6c of the trough and the rounded portions 6b each extend obliquely downward from a corner of the rectangular edge of the trough also to the lowest point 6c of the trough.
  • Left and right of the rounded portions 6b then follow two substantially triangular sections 6d, which in turn open into corresponding rounded portions 6e.
  • a relatively steeply sloping section 6f which lies opposite the flat section 6a, adjoins these sections 6e. This steeply sloping portion 6f serves as a stop for the locking hook in the locking position of the door, that is, the locking hook presses against this stop when trying to open the door with a locked door.
  • Fig. 3 shows a sectional view taken along the line AA of Fig. 2 , In this case, one can see in particular clearly the orientation of the flat section 6a and of the steep section 6f.
  • the flat portion extends downwardly at an angle ⁇ from the aperture plane.
  • the angle ⁇ is in the embodiment of Fig. 3 essentially 20 degrees. However, any other angle sizes are possible. However, the angle ⁇ should be less than 45 degrees and preferably between 10 and 30 degrees.
  • the second section 6f extends relatively steeply, almost perpendicular to the plane of the opening, at an angle ⁇ to the plane of the opening.
  • the angle ⁇ is in the embodiment of Fig. 3 85 degrees. However, other angles are conceivable. In particular, the angle ⁇ should be between 80 degrees and 90 degrees.
  • a fold 3c which lies adjacent to the edge of the trough 6 in the region of the flat portion 6a.
  • the trough 6 is an integral part of the sheet of the inner door, wherein the trough is produced by a corresponding embossing tool.
  • the production of the trough is greatly simplified because no separate component for the trough must be provided, which must be installed in an additional manufacturing step.
  • Fig. 4 again shows a perspective view of in Fig. 2 represented trough.
  • the trapezoidal shape of the flat section 6a can again be seen very well in this view.
  • the edge of the trough is rounded and also in the trough, the individual sections open into one another via rounded sections.
  • the trough thus has no edges, whereby the risk of injury when operating the locking device is minimized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Cookers (AREA)
  • Refrigerator Housings (AREA)
  • Electric Suction Cleaners (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Lock And Its Accessories (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

The closing mechanism has a spring-loaded carriage (4) with closing hook (6) which moves in and out of engagement with the closing element (2) during closing and opening. During closing a rotary latch (8) can be brought into interaction with the closing element and through this interaction acts on the carriage so that the latter is moved by the spring force (5) into the locking position as the door is closed. The rotary catch acts through a lever (11) on the carriage. The lever preferably has a slide guide (12) which interacts with a ledge (13) on the carriage so that during closing the lever moves the carriage.

Description

Die Erfindung betrifft ein Haushaltsgerät, insbesondere Geschirrspülmaschine, mit einer Vorrichtung zum Verriegeln eines bewegbaren Schließelements, insbesondere einer Tür, eines Deckels, einer Klappe oder dergleichen mit einem an dem Gehäuse und/oder Rahmen und/oder Spülbehälter des Haushaltsgeräts angeordneten Schließhaken oder Schließzapfen, der mit einem Eingriffsabschnitt in dem Schließelement in Eingriff zum Verschließen eines Behandlungsraumes und außer Eingriff zum Öffnen des Behandlungsraumes bringbar ist.The invention relates to a domestic appliance, in particular a dishwasher, with a device for locking a movable closing element, in particular a door, a lid, a flap or the like with a arranged on the housing and / or frame and / or washing container of the household appliance closing hook or locking pin, the engageable with an engagement portion in the closure member for closing a treatment space and disengaging to open the treatment space.

Aus dem Stand der Technik ist eine Vielzahl von Vorrichtungen zur Verriegelung von Schließelementen an Gehäusen von Haushaltsgeräten bekannt.From the prior art, a variety of devices for locking closure elements to housings of household appliances is known.

Die Druckschrift DE 203 20 530 U1 zeigt eine Verriegelungsvorrichtung für eine Gerätetür, bei der ein Drehverschluss am Gerät in einen Eingriffsabschnitt an der Gerätetür in der Verriegelungsposition eingreift. Der Eingriffsabschnitt wird durch eine im Querschnitt rechteckförmige Aufnahme gebildet, welche entlang der gesamten Oberkante der Gerätetür verläuft.The publication DE 203 20 530 U1 shows a locking device for a door in which a rotary lock on the device engages in an engagement portion on the door in the locking position. The engagement portion is formed by a rectangular in cross section recording, which runs along the entire upper edge of the door.

In der Druckschrift EP 0 728 438 B1 ist eine Verriegelungsvorrichtung für eine Geschirrspülmaschine gezeigt, wobei in der Oberkante der Tür der Geschirrspülmaschine eine Aussparung vorgesehen ist, in welcher ein Steg angeordnet ist. In der Verriegelungsposition greift ein sich nach unten erstreckendes Kragenelement, welches im Gehäuse der Geschirrspülmaschine angeordnet ist, in die Aussparung ein. Das Kragenelement ist nach unten geöffnet und aus ihm ragt ein Stiftelement heraus, dessen vorderes Ende in der Verriegelungsposition auf dem Steg der Aussparung aufliegt. Beim Bewegen der Tür in die Verriegelungsposition wird ein Anheben des Stifts bewirkt, was zur Betätigung eines Mikroschalters führt.In the publication EP 0 728 438 B1 a locking device for a dishwasher is shown, wherein in the upper edge of the door of the dishwasher, a recess is provided, in which a web is arranged. In the locking position, a downwardly extending collar element, which is arranged in the housing of the dishwasher, engages in the recess. The collar member is open at the bottom and out of it protrudes a pin member whose front end rests in the locking position on the web of the recess. As the door is moved to the lock position, the pin is raised, resulting in the actuation of a microswitch.

In der Druckschrift DE 2 106 272 ist eine Verriegelungsvorrichtung für Wasch- und Schleudermaschinen gezeigt, wobei ein in dem Gehäuse der Waschmaschine vorgesehener Riegel bei geschlossener Tür der Maschine in eine entsprechende Rasterung in der Tür eingreift.In the publication DE 2 106 272 a locking device for washing and spinning machines is shown, wherein a provided in the housing of the washing machine latch engages with the door of the machine closed in a corresponding grid in the door.

Die Druckschrift DE 31 19 764 A1 zeigt eine Geschirrspülmaschine, bei der im geschlossenen Zustand der Maschinentür ein Verriegelungsbolzen von oben in eine Öffnung auf der Stirnseite der Tür eingreift.The publication DE 31 19 764 A1 shows a dishwasher in which engages in the closed state of the machine door, a locking bolt from above into an opening on the front side of the door.

In der Druckschrift JP 59-148753 ist ein Haushaltsgerät mit einer schwenkbaren Tür gezeigt, wobei im geschlossenen Zustand der Tür eine am vorderen Ende eines Riegels vorgesehene Aufnahme in einen entsprechenden Vorsprung auf der Stirnseite der Tür eingreift.In the publication JP 59-148753 a household appliance is shown with a hinged door, wherein in the closed state of the door engages a provided at the front end of a bolt receptacle in a corresponding projection on the front side of the door.

Die Druckschriften US 4,776,620 und US 3,997,201 zeigen Verriegelungsvorrichtungen für Türen von Haushaltsgeräten, wobei in der Verriegelungsposition ein Schließbolzen in der Tür in eine Schließplatte am Gehäuse eingreift.The pamphlets US 4,776,620 and US 3,997,201 show locking devices for doors of household appliances, wherein in the locked position engages a locking pin in the door in a closing plate on the housing.

Die aus dem Stand der Technik bekannten Verriegelungsvorrichtungen weisen insbesondere den Nachteil auf, dass sie aufwändig herzustellen sind und teilweise kompliziert aufgebaut sind.The locking devices known from the prior art have in particular the disadvantage that they are complicated to manufacture and are constructed in some cases complicated.

Aufgabe der Erfindung ist es deshalb, ein Haushaltsgerät mit einer Verriegelungsvorrichtung zu schaffen, welche einfacher als die aus dem Stand der Technik bekannten Haushaltsgeräte mit Verriegelungsvorrichtungen zu realisieren sind.The object of the invention is therefore to provide a household appliance with a locking device, which are easier to implement than known from the prior art household appliances with locking devices.

Diese Aufgabe wird durch Patentanspruch 1 gelöst. Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen definiert.This object is achieved by claim 1. Further developments of the invention are defined in the dependent claims.

In einem erfindungsgemäßen Haushaltsgerät, insbesondere Geschirrspülmaschine, mit einer Vorrichtung zum Verriegeln eines bewegbaren Schließelements, insbesondere einer Tür, eines Deckels, einer Klappe oder dergleichen mit einem an dem Gehäuse und/oder Rahmen und/oder Spülbehälter des Haushaltsgeräts angeordneten Schließhaken oder Schließzapfen, der mit einem Eingriffsabschnitt in dem Schließelement in Eingriff zum Verschließen eines Behandlungsraumes und außer Eingriff zum Öffnen des Behandlungsraumes bringbar ist, ist der Eingriffsabschnitt in dem Schließelement eingeprägt.In a domestic appliance according to the invention, in particular a dishwasher, with a device for locking a movable closing element, in particular a door, a lid, a flap or the like with a arranged on the housing and / or frame and / or washing container of the household appliance closing hook or locking pin with an engagement portion in the closure member is engageable to close a treatment space and disengaged to open the treatment space, the engagement portion is embossed in the closure member.

Vorzugsweise ist der Eingriffsabschnitt durch eine Mulde im Schließelement gebildet.Preferably, the engagement portion is formed by a trough in the closing element.

In einer bevorzugten Ausführungsform ist der Eingriffsabschnitt an einer Flanke des Schließelements, insbesondere einer Tür, angeordnet. Die Flanken sind vorzugsweise die Seitenwangen der Tür des Haushaltsgerätes, insbesondere der Innentür der Geschirrspülmaschine. Bei Geschirrspülmaschinen ist die Tür vorzugsweise aus einer Innentür und einer Außentür aufgebaut.In a preferred embodiment, the engagement portion is arranged on an edge of the closing element, in particular a door. The flanks are preferably the side walls of the door of the household appliance, in particular the inner door of the dishwasher. In dishwashers, the door is preferably constructed of an inner door and an outer door.

Vorzugsweise ist der Eingriffsabschnitt an einer oberen Flanke des Schließelements angeordnet.Preferably, the engagement portion is disposed on an upper flank of the closure member.

Vorzugsweise ist der Eingriffsabschnitt an einer der Drehachse des Schließelements gegenüberliegenden Flanke angeordnet.Preferably, the engagement portion is disposed on an opposite side of the axis of rotation of the closing element.

Insbesondere ist der Eingriffsabschnitt mittig in Längsausdehnung der Flanke in der Flanke angeordnet.In particular, the engagement portion is arranged centrally in the longitudinal extent of the flank in the flank.

Vorzugsweise ist der Eingriffsabschnitt durch eine Mulde im Schließelement gebildet.Preferably, the engagement portion is formed by a trough in the closing element.

Mulden stellen einfach zu fertigende Ausgestaltungen von Ausnehmungen dar und ermöglichen somit eine einfache Herstellung des Eingriffsabschnitts des Verriegelungselements. Unter Mulde ist insbesondere eine Vertiefung mit einer in Draufsicht auf die Mulde geschlossener Umrandung zu verstehen. Ferner weist die Mulde keine Öffnung oder Loch hin zum Inneren des Schließelements auf.Troughs are easy to make embodiments of recesses and thus allow easy production of the engagement portion of the locking element. Under depression is to be understood in particular a depression with a closed in plan view of the trough border. Furthermore, the trough has no opening or hole toward the interior of the closing element.

Vorzugsweise wird die Mulde hierbei integral mit dem Schließelement ausgebildet, insbesondere in dem Schließelement eingeprägt. Hierdurch wird durch einen einfachen Verfahrensschritt, bei dem ein entsprechendes Prägewerkzeug in das Schließelement verfährt, die Mulde in dem Schließelement ausgebildet.Preferably, the trough is in this case formed integrally with the closing element, in particular impressed in the closing element. As a result, the trough is formed in the closing element by a simple method step, in which a corresponding embossing tool moves into the closing element.

In einer besonders bevorzugten Ausführungsform wird das Schließelement durch eine schwenkbare und/oder verschiebbare Tür, insbesondere durch eine Innentür, gebildet, wobei die Tür zum Verschließen des über eine Öffnung zugänglichen Innenraums des Gehäuses des Haushaltsgeräts vorgesehen ist. Unter Innentür ist hierbei ein auf der Innenseite der Tür vorgesehenes Bauteil zu verstehen, welches bei verschlossener Tür auf den Innenraum des Haushaltsgeräts zuweist. Die Innentür ist insbesondere ein Blechteil, wobei beispielsweise in die Stirnseite des Blechteils die Mulde ausgebildet, insbesondere eingeprägt ist. Wenn die Mulde auf der Oberkante der Tür vorgesehen ist, ist der Schließhaken oder Schließzapfen vorzugsweise im Gehäusedach des Haushaltsgeräts integriert, um hierdurch ein einfaches Zusammenwirken zwischen Schließhaken und Mulde zu gewährleisten.In a particularly preferred embodiment, the closing element is formed by a pivotable and / or sliding door, in particular by an inner door, wherein the door is provided for closing the accessible via an opening interior of the housing of the household appliance. Under the interior door is here on the Inside the door intended to understand component, which assigns the closed door to the interior of the household appliance. The inner door is in particular a sheet metal part, wherein, for example, in the end face of the sheet metal part, the trough is formed, in particular embossed. If the trough is provided on the upper edge of the door, the locking hook or locking pin is preferably integrated in the housing roof of the household appliance, thereby ensuring a simple interaction between the locking hook and trough.

Die Interaktion des Schließhakens bzw. Schließzapfens mit der Mulde ist vorzugsweise derart, dass beim Verriegeln der Schließhaken oder Schließzapfen im Wesentlichen senkrecht in die Mulde hineinbewegt wird. Auf diese Weise wird ein schnelles und sicheres Eingreifen des Hakens in die Mulde beim Verschließen gewährleistet.The interaction of the closing hook or locking pin with the trough is preferably such that, during locking, the closing hook or locking pin is moved substantially perpendicularly into the trough. In this way, a quick and secure engagement of the hook is ensured in the trough when closing.

In einer weiteren Ausgestaltung der erfindungsgemäßen Verriegelungsvorrichtung weist die Mulde in Draufsicht einen im Wesentlichen rechtecksförmigen Rand auf, wobei der Rand vorzugsweise abgerundete Ecken und/oder Kanten umfasst. Hierdurch wird die Verletzungsgefahr für einen Bediener des Haushaltsgeräts minimiert, da an der Mulde keine scharfen Kanten auftreten.In a further embodiment of the locking device according to the invention, the trough has in plan view a substantially rectangular edge, wherein the edge preferably comprises rounded corners and / or edges. As a result, the risk of injury to an operator of the household appliance is minimized because there are no sharp edges on the trough.

In einer weiteren Ausgestaltung weist die Mulde eine Form derart auf, dass sie sich hin zu ihrer tiefsten Stelle verjüngt. Hierbei weist die Mulde insbesondere einen ersten, steil zu ihrer tiefsten Stelle verlaufenden Abschnitt und einen zweiten, dem ersten Abschnitt gegenüberliegenden und flach zu ihrer tiefsten Stelle verlaufenden Abschnitt auf. Durch eine derartige Formgebung kann eine einfache und schnelle Fertigung der Mulde erreicht werden, insbesondere wird sichergestellt, dass ein Einprägen der Mulde in dem Schließelement möglich ist. Vorzugsweise bildet der erste, steil verlaufende Abschnitt im verriegelten Zustand des Schließelements einen Anschlag für den Schließhaken oder Schließzapfen, um das Öffnen des Schließelements zu verhindern. Aufgrund seiner Steilheit wird effektiv ein Herausbewegen des Schließhakens aus der Mulde verhindert.In a further embodiment, the trough has a shape such that it tapers towards its lowest point. In this case, the trough in particular a first, steeply to its lowest point extending portion and a second, the first portion opposite and extending flat to its lowest point section. By such a shape, a simple and rapid production of the trough can be achieved, in particular it is ensured that an impression of the trough in the closing element is possible. Preferably, the first steep section forms a stop for the locking hook or locking pin in the locked state of the closing element to prevent the opening of the closing element. Due to its steepness effectively moving out of the closing hook is prevented from the trough.

Der erste Abschnitt verläuft in einer bevorzugten Ausgestaltung der Erfindung in einem Winkel zwischen 80 und 90 Grad, insbesondere in einem Winkel von im Wesentlichen 85 Grad, zur Öffnungsebene der Mulde. Demgegenüber verläuft in einer bevorzugten Ausführungsform der zweite, flache Abschnitt in einem Winkel von 45 Grad oder weniger, vorzugsweise in einem Winkel zwischen 10 und 30 Grad und besonders bevorzugt in einem Winkel von im Wesentlichen 20 Grad zur Öffnungsebene der Mulde.The first section extends in a preferred embodiment of the invention at an angle between 80 and 90 degrees, in particular at an angle of substantially 85 degrees, to the opening plane of the trough. In contrast, in a preferred embodiment, the second, flat portion extends at an angle of 45 degrees or less, preferably at an angle between 10 and 30 degrees and most preferably at an angle of substantially 20 degrees to the opening plane of the trough.

In einer weiteren bevorzugten Ausgestaltung sind der erste und/oder zweite Abschnitt im Wesentlichen trapezförmig ausgestaltet. Vorzugsweise schließen sich ferner der erste und/oder der zweite Abschnitt in Umfangsrichtung innerhalb der Mulde an abgerundete Abschnitte an. Diese Formgebungen eignen sich besonders gut, um die Mulde mittels Prägung herzustellen.In a further preferred embodiment, the first and / or second section are designed substantially trapezoidal. Preferably further, the first and / or the second portion are circumferentially connected within the trough of rounded portions. These shapes are particularly well suited to make the trough by embossing.

Vorzugsweise ist der Eingriffsabschnitt, insbesondere die Mulde, einstückig mit der Tür, insbesondere der Innen- oder Außtentür, ausgebildet.Preferably, the engagement portion, in particular the trough, integral with the door, in particular the inner or outer door, formed.

Ausführungsbeispiele der Erfindung werden nachfolgend anhand der beigefügten Figuren detailliert beschrieben.Embodiments of the invention are described below in detail with reference to the accompanying drawings.

Es zeigen:

Fig. 1
eine schematische Schnittansicht einer Ausführungsform der Verriegelungsvorrichtung;
Fig. 2
eine Draufsicht auf einen Ausschnitt der Stirnseite bzw. Flanke der Innentür einer erfindungsgemäßen Geschirrspülmaschine mit Mulde,
Fig. 3
eine Schnittansicht entlang der Linie A-A der Fig. 2; und
Fig. 4
eine perspektivische Ansicht der in Fig. 2 dargestellten Mulde.
Show it:
Fig. 1
a schematic sectional view of an embodiment of the locking device;
Fig. 2
a plan view of a section of the front side or flank of the inner door of a dishwasher according to the invention with trough,
Fig. 3
a sectional view taken along the line AA of Fig. 2 ; and
Fig. 4
a perspective view of in Fig. 2 represented trough.

Fig. 1 zeigt schematisiert in Schnittansicht eine Ausführungsform der Verriegelungsvorrichtung in einem erfindungsgemäßen Haushaltsgerät (nicht dargestellt), die zur Verriegelung der Gehäusetür einer erfindungsgemäßen Geschirrspülmaschine (nicht dargestellt) an ihrem Gehäuse verwendet wird. In Fig. 1 ist mit Bezugszeichen 1 das Dach des Behälters einer Geschirrspülmaschine angedeutet, wobei in dem Innenraum 2 der Geschirrspülmaschine zu reinigendes Geschirr positioniert wird. Die Zugangsöffnung zum Innenraum 2 wird über eine schwenkbare Tür 3 abgeschlossen, welche eine Innentür 3a aufweist, die durch ein geprägtes Metallblech auf der Innenseite der Tür 3 gebildet ist. An der Unterseite des Behälterdachs ist schematisiert eine Dichtung 4 angedeutet, welche umlaufend am Rand der Zugangsöffnung zum Innenraum ausgebildet ist und zur Abdichtung zwischen der Innentür 3a und dem Gehäuse 1 dient. Fig. 1 shows a schematic sectional view of an embodiment of the locking device in a household appliance according to the invention (not shown), which is used to lock the door of a dishwasher according to the invention (not shown) on its housing. In Fig. 1 is indicated by the reference numeral 1, the roof of the container of a dishwasher, being positioned in the interior 2 of the dishwasher to be cleaned dishes. The access opening to the interior 2 is closed by a pivotable door 3, which has an inner door 3a, which is formed by an embossed metal sheet on the inside of the door 3. On the underside of the container roof a seal 4 is schematically indicated, which is circumferentially formed at the edge of the access opening to the interior and serves to seal between the inner door 3a and the housing 1.

Um ein unbeabsichtigtes Öffnen der Tür im Betrieb der Geschirrspülmaschine zu vermeiden, umfasst die Geschirrspülmaschine eine Verriegelungsvorrichtung, welche durch einen Schließzapfen bzw. Schließhaken 5 und eine entsprechende Mulde 6 auf der Stirnseite bzw. Oberkante 3b der Tür gebildet ist. Der Schließhaken 5 ist in einem Schlossgehäuse innerhalb des Behälterdachs integriert und greift im verriegelten Zustand in die Mulde 6 in der Innentür 3a ein. Der Schließhaken 5 ist lediglich schematisiert angedeutet und es ist jede beliebige Formgestaltung des Hakens möglich. Der Haken ist vorzugsweise federbelastet, wobei die Federkraft den Haken nach unten drückt.In order to avoid inadvertent opening of the door during operation of the dishwasher, the dishwasher comprises a locking device, which is formed by a locking pin or locking hook 5 and a corresponding recess 6 on the front side or upper edge 3b of the door. The locking hook 5 is integrated in a lock housing within the container roof and engages in the locked state in the trough 6 in the inner door 3a. The locking hook 5 is indicated only schematically and it is any shape design of the hook possible. The hook is preferably spring loaded, with the spring force pushing the hook down.

Bei den üblicherweise in Geschirrspülern verwendeten Verriegelungsvorrichtungen befindet sich der Schließhaken in der Innentür hinter einer Öffnung. In diese Öffnung greift beim Verschließen der Tür eine entsprechende Schließplatte am Gehäuse ein, woraufhin der Schließhaken in ein Loch in der Schließplatte fällt und die Verriegelung bewirkt. Hierzu wird zum einen Platz für den Mechanismus des Schließhakens hinter der Blende der Tür benötigt und zum anderen muss eine Öffnung in der Innentür vorgesehen sein, was zum Eindringen von Wasser in den Innenraum der Tür beim Betrieb des erfindungsgemäßen Geschirrspülers führen kann. Im Gegensatz dazu wird gemäß der Verriegelungsvorrichtung der Schließhaken im Gehäuse und/oder Rahmen und/der Spülbehälter angeordnet und er wirkt mit einer Mulde zur Aufnahme des Hakens zusammen, so dass zum einen auf eine Öffnung in der Innentür verzichtet werden kann und zum anderen in der Innentür kein Platz für den Schließhaken vorgesehen sein muss. Es wird somit das Eindringen von Wasser in den Innenraum der Tür verhindert und ferner Bauraum in der Innentür geschaffen, da das Schloss mit Schließhaken nunmehr in vorhandenem Bauraum im Gehäuse integriert ist. Der freiwerdende Bauraum in der Innentür kann nunmehr effektiv für andere Bauteile, beispielsweise für ein Schalt- und Steuersystem des Geschirrspülers genutzt werden.In the locking devices commonly used in dishwashers, the locking hook is located in the inner door behind an opening. In this opening when closing the door engages a corresponding closing plate on the housing, whereupon the locking hook falls into a hole in the closing plate and causes the lock. For this purpose, on the one hand space for the mechanism of the locking hook behind the panel of the door is required and on the other hand, an opening must be provided in the inner door, which can lead to the ingress of water into the interior of the door during operation of the dishwasher according to the invention. In contrast, according to the locking device, the locking hook in the housing and / or frame and / or the rinsing arranged and he cooperates with a trough for receiving the hook, so that on the one hand can be dispensed with an opening in the inner door and the other in the Interior door no space for the locking hook must be provided. It is thus prevents the ingress of water into the interior of the door and also created space in the inner door, since the lock with locking hook is now integrated in existing space in the housing. The released space in the inner door can now be effectively used for other components, such as a switching and control system of the dishwasher.

Fig. 2 zeigt eine Draufsicht auf die Stirnseite 3b der in Fig. 1 gezeigten Innentür 3a. Aus Fig. 2 wird insbesondere die genaue Formgebung der Mulde 6 ersichtlich. Die Mulde ist in Längsrichtung der Stirnseite mittig zwischen dem linken und rechten Ende (nicht gezeigt) der Stirnseite angeordnet. Man erkennt in Fig. 2 insbesondere, dass die Mulde in ihrer Öffnungsebene im Wesentlichen rechtecksförmig ausgestaltet ist, wobei die Ecken und Kanten in der Öffnungsebene entsprechend abgerundet sind. Ein wesentlicher Aspekt der in Fig. 2 dargestellten Mulde besteht darin, dass die Mulde integraler Bestandteil der Innentür ist, das heißt die Mulde wird in die Innentür mit einem entsprechenden Werkzeug eingeprägt. Fig. 2 shows a plan view of the end face 3b of FIG Fig. 1 shown inner door 3a. Out Fig. 2 In particular, the exact shape of the trough 6 can be seen. The hollow is in Longitudinal direction of the end face centered between the left and right ends (not shown) of the front side. One recognizes in Fig. 2 in particular, that the trough is designed in its opening plane substantially rectangular in shape, wherein the corners and edges are rounded in the opening plane accordingly. An essential aspect of in Fig. 2 shown trough is that the trough is an integral part of the inner door, that is, the trough is imprinted into the inner door with a corresponding tool.

Die Mulde 6 umfasst einen trapezförmigen, relativ flach in Bezug auf die Öffnungsebene verlaufenden Abschnitt 6a, an dem sich rechts und links in Umfangsrichtung der Mulde jeweils ein abgerundeter Abschnitt 6b anschließt. Der trapezförmige Abschnitt 6a verjüngt sich hin zum tiefsten Punkt 6c der Mulde, und die abgerundeten Abschnitte 6b erstrecken sich jeweils von einer Ecke des rechtecksförmigen Randes der Mulde schräg nach unten ebenfalls zum tiefsten Punkt 6c der Mulde. Links und rechts von den abgerundeten Abschnitten 6b folgen dann zwei im Wesentlichen dreiecksförmige Abschnitte 6d, welche wiederum in entsprechende abgerundete Abschnitte 6e münden. An diese Abschnitte 6e schließt sich schließlich ein relativ steil abfallender Abschnitt 6f an, der dem flachen Abschnitt 6a gegenüber liegt. Dieser steil abfallende Abschnitt 6f dient als Anschlag für den Schließhaken in der Verriegelungsposition der Tür, das heißt der Schließhaken drückt gegen diesen Anschlag, wenn bei verriegelter Tür versucht wird, die Tür zu öffnen.The trough 6 comprises a trapezoidal, relatively flat with respect to the opening plane extending portion 6a, at the right and left in the circumferential direction of the trough each followed by a rounded portion 6b. The trapezoidal portion 6a tapers toward the lowest point 6c of the trough and the rounded portions 6b each extend obliquely downward from a corner of the rectangular edge of the trough also to the lowest point 6c of the trough. Left and right of the rounded portions 6b then follow two substantially triangular sections 6d, which in turn open into corresponding rounded portions 6e. Finally, a relatively steeply sloping section 6f, which lies opposite the flat section 6a, adjoins these sections 6e. This steeply sloping portion 6f serves as a stop for the locking hook in the locking position of the door, that is, the locking hook presses against this stop when trying to open the door with a locked door.

Fig. 3 zeigt eine Schnittansicht entlang der Linie A-A der Fig. 2. Man erkennt hierbei insbesondere deutlich die Ausrichtung des flachen Abschnitts 6a sowie des steilen Abschnitts 6f. Insbesondere wird ersichtlich, dass sich der flache Abschnitt in einem Winkel β nach unten aus der Öffnungsebene erstreckt. Der Winkel β beträgt in der Ausführungsform der Fig. 3 im Wesentlichen 20 Grad. Es sind jedoch auch beliebige andere Winkelgrößen möglich. Der Winkel β sollte jedoch kleiner als 45 Grad sein und bevorzugt zwischen 10 und 30 Grad liegen. Ebenso ist in Fig. 3 ersichtlich, dass sich der zweite Abschnitt 6f relativ steil, und zwar fast senkrecht zur Öffnungsebene, mit einem Winkel α zur Öffnungsebene erstreckt. Der Winkel α ist in der Ausführungsform der Fig. 3 85 Grad. Es sind jedoch auch andere Winkel denkbar. Insbesondere sollte der Winkel α zwischen 80 Grad und 90 Grad liegen. Fig. 3 shows a sectional view taken along the line AA of Fig. 2 , In this case, one can see in particular clearly the orientation of the flat section 6a and of the steep section 6f. In particular, it will be seen that the flat portion extends downwardly at an angle β from the aperture plane. The angle β is in the embodiment of Fig. 3 essentially 20 degrees. However, any other angle sizes are possible. However, the angle β should be less than 45 degrees and preferably between 10 and 30 degrees. Likewise is in Fig. 3 it can be seen that the second section 6f extends relatively steeply, almost perpendicular to the plane of the opening, at an angle α to the plane of the opening. The angle α is in the embodiment of Fig. 3 85 degrees. However, other angles are conceivable. In particular, the angle α should be between 80 degrees and 90 degrees.

In der in Fig. 3 gezeigten Ausführungsform ist auf der Stirnseite 3b der Innentür 3a ferner eine Abkantung 3c ausgebildet, welche benachbart zum Rand der Mulde 6 im Bereich des flachen Abschnitts 6a liegt. Darüber hinaus wird durch Fig. 3 deutlich erkennbar, dass die Mulde 6 ein integraler Bestandteil des Blechs der Innentür ist, wobei die Mulde durch ein entsprechendes Prägewerkzeug erzeugt wird. Hierdurch wird die Fertigung der Mulde stark vereinfacht, da kein separates Bauteil für die Mulde vorgesehen werden muss, welches in einem zusätzlichen Fertigungsschritt eingebaut werden muss. Darüber hinaus besteht nicht das Problem, dass die Mulde gegenüber der Innentür durch entsprechende Dichtungen abgedichtet werden muss.In the in Fig. 3 In the embodiment shown, on the end face 3b of the inner door 3a, there is further formed a fold 3c, which lies adjacent to the edge of the trough 6 in the region of the flat portion 6a. In addition, through Fig. 3 clearly recognizable that the trough 6 is an integral part of the sheet of the inner door, wherein the trough is produced by a corresponding embossing tool. As a result, the production of the trough is greatly simplified because no separate component for the trough must be provided, which must be installed in an additional manufacturing step. In addition, there is no problem that the trough opposite the inner door must be sealed by appropriate seals.

Fig. 4 zeigt nochmals eine perspektivische Ansicht der in Fig. 2 dargestellten Mulde. Man erkennt in dieser Ansicht nochmals sehr gut die trapezförmige Form des flachen Abschnitts 6a. Darüber hinaus wird deutlich, dass der Rand der Mulde abgerundet ist und auch in der Mulde die einzelnen Abschnitte über abgerundete Abschnitte ineinander münden. Die Mulde weist somit keine Kanten auf, wodurch die Verletzungsgefahr beim Bedienen der Verriegelungsvorrichtung minimiert wird. Fig. 4 again shows a perspective view of in Fig. 2 represented trough. The trapezoidal shape of the flat section 6a can again be seen very well in this view. In addition, it is clear that the edge of the trough is rounded and also in the trough, the individual sections open into one another via rounded sections. The trough thus has no edges, whereby the risk of injury when operating the locking device is minimized.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Gehäusedachhousing roof
22
Innenrauminner space
33
Türdoor
3a3a
Innentürinterior door
3b3b
Oberseitetop
3c3c
Abkantungfold
44
Dichtungpoetry
55
Schließhakenhasp
66
Muldetrough
6a6a
flacher Abschnittflat section
6b6b
abgerundete Abschnitterounded sections
6c6c
tiefste Stelle der Muldedeepest part of the hollow
6d6d
dreiecksförmige Abschnittetriangular sections
6e6e
abgerundete Abschnitterounded sections
6f6f
steiler Abschnittsteep section
α, βα, β
Winkelangle

Claims (19)

  1. Domestic appliance, particularly dishwashing machine, with a device for locking a movable closure element (3), particularly a door, a cover, a flap or the like, by a closing hook (5) or closing pin, which is arranged at the housing (1) and/or frame and/or rinsing container of the domestic appliance and which can be brought by an engagement section in the closing element (3) into engagement for closing a treatment chamber and out of engagement for opening a treatment chamber, characterised in that the engagement section is stamped into the closure element (3).
  2. Domestic appliance according to claim 1, characterised in that the engagement section is formed by a trough (6) in the closure element (3).
  3. Domestic appliance according to claim 1 or 2, characterised in that the engagement section is arranged at a flank of the closure element (3), particularly a door.
  4. Domestic appliance according to claim 3, characterised in that the engagement section is arranged at an upper flank of the closure element (3).
  5. Domestic appliance according to claim 3 or 4, characterised in that the engagement section is arranged at a flank opposite the axis of rotation of the closure element (3).
  6. Domestic appliance according to any one of claims 3 to 5, characterised in that the engagement section is arranged in the flank centrally in the length extent of the flank.
  7. Domestic appliance according to any one of the preceding claims, characterised in that the closure element (3) is a pivotable and/or slidable door, particularly an inner door, for closing the interior space (2), which is accessible by way of the opening in the housing (1), of the housing (1) of the domestic appliance.
  8. Domestic appliance according to any one of the preceding claims, characterised in that the closing hook (5) or closing pin is integrated in the housing roof of the domestic appliance.
  9. Domestic appliance according to any one of the preceding claims, characterised in that the closing hook (5) or closing pin co-operates with the trough (6) in such a manner that, during locking, the closing hook (5) or closing pin moves substantially perpendicularly into the trough (6).
  10. Domestic appliance according to any one of the preceding claims, characterised in that the trough (6) in plan view has a substantially rectangular edge.
  11. Domestic appliance according to claim 10, characterised in that the edge has rounded corners and/or edges.
  12. Domestic appliance according to any one of the preceding claims, characterised in that the trough (6) tapers towards its deepest point (6c).
  13. Domestic appliance according to any one of the preceding claims, characterised in that the trough (6) comprises a first section (6f) running steeply towards its steepest point and a second section (6a) opposite the first section (6f) and running flatly towards its steepest point (6c).
  14. Domestic appliance according to claim 13, characterised in that the first section (6f) in the locked state of the closure element (3) forms an abutment for the closing hook (5) or closing pin so as to prevent opening of the closure element (3).
  15. Domestic appliance according to claim 13 or 14, characterised in that the first section (6f) runs at an angle between 80 and 90 degrees, particularly at an angle of substantially 85 degrees, relative to the opening plane of the trough (6).
  16. Domestic appliance according to any one of claims 13 to 15, characterised in that the second section (3a) runs at an angle of 45 degrees or less, preferably at an angle between 10 and 30 degrees and preferably particularly at an angle of substantially 20 degrees, relative to the opening plane of the trough (6).
  17. Domestic appliance according to any one of claims 13 to 16, characterised in that the first and/or second section (6f, 6a) is or are formed to be substantially trapezium-shaped.
  18. Domestic appliance according to any one of claims 13 to 17, characterised in that the first and/or second section (6f, 6a) in circumferential direction adjoins or adjoin rounded sections (6b, 6e) within the trough (6).
  19. Domestic appliance according to any one of the preceding claims, characterised in that the engagement section, particularly the trough (6), is formed integrally with the door, particularly inner door or outer door.
EP20060743299 2005-04-19 2006-04-13 Household appliance comprising a locking device Active EP1875022B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06743299T PL1875022T3 (en) 2005-04-19 2006-04-13 Household appliance comprising a locking device

Applications Claiming Priority (2)

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DE102005017871 2005-04-19
PCT/EP2006/061583 WO2006111504A1 (en) 2005-04-19 2006-04-13 Household appliance comprising a locking device

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EP1875022A1 EP1875022A1 (en) 2008-01-09
EP1875022B1 true EP1875022B1 (en) 2010-03-10

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EP20060743296 Active EP1874173B1 (en) 2005-04-19 2006-04-13 Dish washing machine
EP20060743299 Active EP1875022B1 (en) 2005-04-19 2006-04-13 Household appliance comprising a locking device
EP20060743297 Active EP1874174B1 (en) 2005-04-19 2006-04-13 Dish washing machine

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US (3) US8152207B2 (en)
EP (3) EP1874173B1 (en)
JP (3) JP4898787B2 (en)
KR (3) KR20080002763A (en)
CN (3) CN101163844B (en)
AT (3) ATE460549T1 (en)
AU (3) AU2006237307B2 (en)
BR (3) BRPI0608384A2 (en)
DE (4) DE502006005586D1 (en)
ES (3) ES2334827T3 (en)
NZ (3) NZ560981A (en)
PL (1) PL1875022T3 (en)
RU (3) RU2392842C2 (en)
WO (3) WO2006111502A1 (en)

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EP1874173A1 (en) 2008-01-09
AU2006237306B2 (en) 2011-03-31
US8377230B2 (en) 2013-02-19
ES2340874T3 (en) 2010-06-10
PL1875022T3 (en) 2010-08-31
DE502006005586D1 (en) 2010-01-21
US20090072550A1 (en) 2009-03-19
WO2006111504A1 (en) 2006-10-26
CN101163436A (en) 2008-04-16
WO2006111501A1 (en) 2006-10-26
CN101163437A (en) 2008-04-16
CN101163437B (en) 2010-12-29
KR20080002763A (en) 2008-01-04
BRPI0608358A2 (en) 2009-12-29
DE502006006394D1 (en) 2010-04-22
RU2007134909A (en) 2009-05-27
BRPI0610849A2 (en) 2010-08-03
JP4898787B2 (en) 2012-03-21
US20090064735A1 (en) 2009-03-12
EP1874173B1 (en) 2009-12-09
RU2392842C2 (en) 2010-06-27
ES2334827T3 (en) 2010-03-16
RU2007134905A (en) 2009-05-27
EP1875022A1 (en) 2008-01-09
EP1874174B1 (en) 2009-12-09
AU2006237306A1 (en) 2006-10-26
JP2008537042A (en) 2008-09-11
US8152207B2 (en) 2012-04-10
EP1874174A1 (en) 2008-01-09
RU2376435C2 (en) 2009-12-20
WO2006111502A1 (en) 2006-10-26
CN101163436B (en) 2011-04-13
CN101163844B (en) 2010-09-01
DE502006005585D1 (en) 2010-01-21
NZ560981A (en) 2011-07-29
KR20080002784A (en) 2008-01-04
CN101163844A (en) 2008-04-16
JP2008538397A (en) 2008-10-23
US7775565B2 (en) 2010-08-17
DE102006017961A1 (en) 2006-11-02
KR20080003326A (en) 2008-01-07
ATE451050T1 (en) 2009-12-15
JP2008537041A (en) 2008-09-11
RU2401048C2 (en) 2010-10-10
RU2007134907A (en) 2009-05-27
AU2006237307A1 (en) 2006-10-26
ATE451051T1 (en) 2009-12-15
AU2006237307B2 (en) 2011-01-20
NZ561011A (en) 2011-03-31
AU2006237309A1 (en) 2006-10-26
ES2334826T3 (en) 2010-03-16
BRPI0608384A2 (en) 2010-01-05
AU2006237309B2 (en) 2010-11-25
ATE460549T1 (en) 2010-03-15
NZ560985A (en) 2010-11-26
US20080185849A1 (en) 2008-08-07

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