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EP2258897A1 - Washer/dryer with a housing and a door - Google Patents

Washer/dryer with a housing and a door Download PDF

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Publication number
EP2258897A1
EP2258897A1 EP10161251A EP10161251A EP2258897A1 EP 2258897 A1 EP2258897 A1 EP 2258897A1 EP 10161251 A EP10161251 A EP 10161251A EP 10161251 A EP10161251 A EP 10161251A EP 2258897 A1 EP2258897 A1 EP 2258897A1
Authority
EP
European Patent Office
Prior art keywords
door
locking
washing
frame
drying machine
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.)
Granted
Application number
EP10161251A
Other languages
German (de)
French (fr)
Other versions
EP2258897B1 (en
Inventor
Thomas Grebing
Frank Mosebach
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 PL10161251T priority Critical patent/PL2258897T3/en
Publication of EP2258897A1 publication Critical patent/EP2258897A1/en
Application granted granted Critical
Publication of EP2258897B1 publication Critical patent/EP2258897B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • 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
    • 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
    • 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
    • E05B2063/0026—Elongated, e.g. stud-like, striker entering into an opening in which movable detent means engage the elongated striker
    • 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
    • E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
    • 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
    • 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
    • E05B63/04—Locks or fastenings with special structural characteristics for alternative use on the right-hand or left-hand side of wings

Definitions

  • the invention relates to a washing or drying machine comprising a housing and a door for securely closing the loading opening by means of an electrically or electromagnetically operating closure assembly by means of a latch which cooperates with a closing bolt of the door, and with an opening parallel to the plane the loading opening pivoting door handle, which is mounted on a frame of the door.
  • a lid is understood, which is pivotable about a non-vertical axis.
  • Locking devices of this type belong to the classic form of locking for doors or lids on household laundry treatment machines. They have a locking bolt on the door and a lock assembly on the housing. Such types of locks have been used in virtually all washing machines on the market for decades.
  • the invention has for its object to provide a washing or drying machine of the type mentioned, in which the formation of the closure portion of a door or a lid for a variable arrangement of the door handle is suitable. Since manufacturers of laundry treatment machines like to differentiate different types of their product program despite similar basic technical concepts on the so-called user interface, this differentiation certainly also affects the arrangement of the door handle - on the inside or the outside of the door frame.
  • the object is achieved by the characterizing features of claim 1 in such a way that the locking pin consists of a frame attached to the door guide element with a locking element engaging in the case and a guided on the guide member and held by spring force in the closed position thrust element that the door handle above the Thrust element is mounted and acting to open with a cam against the spring force on the thrust element to the effect that the case of the closure assembly is disengaged from the locking element.
  • the operation of the locking pin can be done both by a located outside as well as within the window frame door handle.
  • the guide element can be a rigidly attached to the frame round rod, which extends perpendicularly from the housing side facing the frame. Because of its rotational symmetry, such a round bar is universally applicable and can cooperate with parts of the closure assembly, no matter which side they attack.
  • the round rod at the housing end has a mushroom-like extension, which is formed on the side facing the housing in a truncated cone and on the side facing the frame has a locking ring surface.
  • the spring force for the thrust element is expediently represented by a helical spring between the plate-like head and the wall of the frame. It guarantees a low-wear and consistent effect.
  • the case consists of a transversely to the direction of movement of the thrust element guided latch, which has an asymmetrical wedge on the end pointing to the thrust element whose inclined surface with the end of the thrust element and its perpendicular to the thrust element facing surface with the locking ring surface of fungal expansion works together.
  • the latch is not locked by the latch assembly itself, it is pushed sideways upon submersion of the pusher until it is completely free of the pawl surface of the guide member so that the latch can extend fully out of the shaft of the latch assembly.
  • the latch may be lockable by a cross bar that is moved electrically or electromagnetically into the latch position or from the latch position by the latch assembly.
  • a cross bar that is moved electrically or electromagnetically into the latch position or from the latch position by the latch assembly.
  • the washing machine according to Fig. 1 has a housing 1 with a front-side charging opening, which is closed by a porthole door assembly 2.
  • a control panel 3 is installed with a handle plate 4 for a behind it not visible detergent drawer.
  • the door assembly 2 consists of a frame 5, a glass pot 6, a hinge assembly 7 and a closure assembly 8 with a door handle 9 which is pivotally mounted about a vertical axis.
  • the door handle 9 extends into the contour of the frame 5, so that its actuating cam 10 (FIG. Fig. 2 ) Can attack the pivotally mounted within the frame 5 locking pin 11.
  • a prior art closure assembly 8 is shown.
  • the locking bolt 11 is pivotally mounted within the door frame 5. Its torsion spring 12 rests from behind against the pivot plate 13 of the door handle 9.
  • the locking pin 11 is held with its nose 14 with the door closed 2 in engagement with a latch 15 which is mounted immediately behind the front wall 16 of the housing 1 of the washing machine.
  • the head of the locking bolt 11 is also enclosed by a pot 17, which belongs to a movable latch 18.
  • the latch 18 is held against the pressure of a spring 19 under the tension of the torsion spring 12 in the illustrated latch position.
  • the nose 14 of the locking bolt 11 can be released by engaging the door handle 9 of the latch 15 and the locking block 11 are pulled together with the door movement from the opening of the closure assembly 8 ,
  • the door handle 9 is transferred to the dashed pivot position, so that its actuating cam 10 moves the lever arm of the locking pin 11 in the likewise dashed line pivot position.
  • the head of the closing bolt 11 pulls the bolt 18 into the position shown in dashed lines, in which the pot 17 passes under the opening of the closure assembly 8.
  • the compression spring 19 holds the latch 18 in this position, so that at the next closing operation of the locking pin can dive back into the pot 17.
  • a door handle 9 is also mounted. Its actuating cam 24, however, acts on a locking cam 25 which is only partially movable along its axis and which can be shaped rotationally symmetrical. It is held by means of a compression spring 26 by means of its plate-like head (plate 27) on the actuating cam 24 of the door handle 9 in abutment.
  • the locking block 25 consists of a thrust element 28 with the plate 27 and a guide member 29. Only the thrust element 28 is movable in the above sense, while the guide member 29 is a one-piece part of the frame 5 or a part thereof.
  • the guide element 29 can serve, for example, two ribs, not shown, which are axially parallel to the thrust element 28.
  • the push element 28 has for two slots, which engage over the ribs.
  • the guide element 29 has at the free end as a locking element a mushroom-like extension (truncated cone head 30), with which it dips into the opening 31 of the closure assembly 32 for closing the door 2.
  • the truncated cone head 30 engages with its frame-side locking ring surface 33 behind the perpendicular to the closing block surface 37 of the asymmetrical wedge 34 of a bolt 35 and thus brings the locking pin 25 in the closed position.
  • the latch 35 is held by the compression spring 19.
  • a locking lock 41 which is brought by the electromagnet 21 in a manner not shown in the locked position, the bolt 35 can be locked in the closed position of the locking pin 25, so that the closure of the door handle 9 alone can not be solved.
  • the latch 35 can then be unlocked by releasing the electromagnet 21 again.
  • To open the door 2 only the handle 9 is raised again. Its actuating cam 24 then presses on the plate 27 of the thrust element 28, which penetrates along the guide member 29 in the opening 31, so that the front annular edge of the thrust element 28 slides on the inclined surface 36 of the bolt 35, while the bolt 35 thereby inside the Lock assembly 32 is pushed back.
  • the pusher member 28 has reached its front edge on the locking ring surface 33 of the truncated cone head 30, the vertical surface 37 of the bolt 35, the locking ring surface 33 free, and the locking pin 25 can be pulled out of the opening 31 again, whereby the door 2 is open.

Landscapes

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

Abstract

The machine has a locking member (25) comprising a guiding element (29) with a latch plate element (30) that intervenes in a trap (35), and a thrust element (28). The thrust element is guided on the guiding element and held in a locking position by spring action. The guiding element is fastened to a frame (5) of a door. A door handle (9) is mounted above the thrust element and works with a cam (24) against the spring action on the thrust element such that the trap attains outer interference with the latch plate element.

Description

Die Erfindung betrifft eine Wasch- oder Trockenmaschine mit einem Gehäuse und einer Tür zum gesicherten Verschließen der Beschickungsöffnung mittels einer elektrisch oder elektromagnetisch arbeitenden Verschlussbaugruppe mittels einer Falle, die mit einem Schließkloben der Tür zusammenarbeitet, und mit einem zum Öffnen um eine in einer parallel zur Ebene der Beschickungsöffnung schwenkbaren Türgriff, der an einem Rahmen der Tür gelagert ist. Als Tür wird im Zusammenhang mit der Erfindung auch ein Deckel verstanden, der um eine nicht senkrechte Achse schwenkbar ist.The invention relates to a washing or drying machine comprising a housing and a door for securely closing the loading opening by means of an electrically or electromagnetically operating closure assembly by means of a latch which cooperates with a closing bolt of the door, and with an opening parallel to the plane the loading opening pivoting door handle, which is mounted on a frame of the door. As a door in the context of the invention, a lid is understood, which is pivotable about a non-vertical axis.

Eine solche Wasch- oder Trockenmaschine ist in DE 44 14 325 C1 beschrieben. Verschlussvorrichtungen dieser Art gehören zur klassischen Form von Verriegelung für Türen oder Deckel an Haushaltwäschebehandlungsmaschinen. Sie weisen einen Schließkloben an der Tür und eine Verschlussbaugruppe am Gehäuse auf. Solche Arten von Verriegelungen werden praktisch bei allen Waschmaschinen des Marktes seit Jahrzehnten angewendet.Such a washing or drying machine is in DE 44 14 325 C1 described. Locking devices of this type belong to the classic form of locking for doors or lids on household laundry treatment machines. They have a locking bolt on the door and a lock assembly on the housing. Such types of locks have been used in virtually all washing machines on the market for decades.

Der Erfindung liegt die Aufgabe zugrunde, eine Wasch- oder Trockenmaschine der eingangs genannten Art anzugeben, bei der die Ausbildung des Verschlussbereiches einer Tür oder eines Deckels für eine variable Anordnung des Türgriffs geeignet ist. Da Hersteller von Wäschebehandlungsmaschinen unterschiedliche Typen ihres Produktprogramms trotz gleichartiger technischer Grundkonzepte auf der sogenannten Bedieneroberfläche gern differenziert gestalten, betrifft diese Differenzierung durchaus auch die Anordnung des Türgriffes - an der Innenseite oder der Außenseite des Türrahmens.The invention has for its object to provide a washing or drying machine of the type mentioned, in which the formation of the closure portion of a door or a lid for a variable arrangement of the door handle is suitable. Since manufacturers of laundry treatment machines like to differentiate different types of their product program despite similar basic technical concepts on the so-called user interface, this differentiation certainly also affects the arrangement of the door handle - on the inside or the outside of the door frame.

Erfindungsgemäß wird die Aufgabe durch die kennzeichnenden Merkmale des Anspruches 1 in der Weise gelöst, dass der Schließkloben aus einem am Rahmen der Tür befestigten Führungselement mit einem in die Falle eingreifenden Riegelelement sowie einem auf dem Führungselement geführten und durch Federkraft in Schließstellung gehaltenen Schubelement besteht, dass der Türgriff oberhalb des Schubelements gelagert ist und zum Öffnen mit einem Nocken gegen die Federkraft auf das Schubelement dahingehend einwirkt, dass die Falle der Verschlussbaugruppe außer Eingriff mit dem Riegelelement gelangt. Auf diese Weise kann die Betätigung des Schließklobens sowohl durch einen außerhalb wie auch innerhalb des Fensterrahmens gelegenen Türgriff erfolgen.According to the invention, the object is achieved by the characterizing features of claim 1 in such a way that the locking pin consists of a frame attached to the door guide element with a locking element engaging in the case and a guided on the guide member and held by spring force in the closed position thrust element that the door handle above the Thrust element is mounted and acting to open with a cam against the spring force on the thrust element to the effect that the case of the closure assembly is disengaged from the locking element. In this way, the operation of the locking pin can be done both by a located outside as well as within the window frame door handle.

In besonders vorteilhafter Weise kann das Führungselement ein am Rahmen starr befestigter Rundstab sein, der sich senkrecht aus der dem Gehäuse zugewandten Seite des Rahmens erstreckt. Wegen seiner Rotationssymmetrie ist ein solcher Rundstab universell verwendbar und kann mit Teilen der Verschlussbaugruppe zusammenarbeiten, egal von welcher Seite sie angreifen.In a particularly advantageous manner, the guide element can be a rigidly attached to the frame round rod, which extends perpendicularly from the housing side facing the frame. Because of its rotational symmetry, such a round bar is universally applicable and can cooperate with parts of the closure assembly, no matter which side they attack.

In einer vorteilhaften Weiterbildung der Erfindung hat der Rundstab am gehäuseseitigen Ende eine pilzartige Erweiterung, die an der dem Gehäuse zugewandten Seite kegelstumpfartig ausgebildet ist und an der dem Rahmen zugewandten Seite eine Sperrringfläche aufweist. Durch diese pilzartige Erweiterung findet der Rundstab die Öffnung zur Verschlussbaugruppe auch dann, wenn geringe Fertigungs- oder Lagertoleranzen einander entsprechende Achsen voneinander leicht abweichen.In an advantageous development of the invention, the round rod at the housing end has a mushroom-like extension, which is formed on the side facing the housing in a truncated cone and on the side facing the frame has a locking ring surface. Through this mushroom-like extension of the round rod finds the opening to the closure assembly, even if low manufacturing or bearing tolerances corresponding axes slightly differ from each other.

Die Vorteile der Rotationssymmetrie gelten auch für eine besonders bevorzugte Ausführungsform, bei der das Schubelement als Führung eine achsgleiche Bohrung aufweist, in der das Führungselement gleitet. Zusätzlich ist die absolut achsgleiche Führung des Führungselements und des Schubelements von Vorteil, die für eine nahezu spielfreie Führung sorgt.The advantages of rotational symmetry also apply to a particularly preferred embodiment, in which the thrust element as a guide has an axis-like bore in which the guide element slides. In addition, the absolutely co-axial guidance of the guide element and the thrust element of advantage, which ensures an almost play-free guidance.

Durch einen tellerartigen Kopf am Schubelement, der als Betätigungsfläche für den Nocken des Türgriffs dient, kann die Bewegung des Türgriff unmittelbar und verschleißarm auf den Schließkloben einwirken, so dass - gleich von welcher Seite her - der Türgriff zum Öffnen gleichermaßen eine ziehende Bewegung durch die Benutzungsperson erfordert wie die Öffnungsbewegung der Tür. Einander entgegengerichtete Bewegungsrichtungen, wie sie beim Stand der Technik vielfach zu beobachten sind, können daher bei der erfindungsgemäßen Wasch- oder Trockenmaschine nicht auftreten.By a plate-like head on the pusher, which serves as an actuating surface for the cam of the door handle, the movement of the door handle can act directly and wear on the latch so that - regardless of which side - the door handle for opening equally a pulling movement by the user requires as the opening movement of the door. Mutually opposing directions of movement, as can often be observed in the prior art, can therefore not occur in the washing or drying machine according to the invention.

Die Federkraft für das Schubelement wird zweckmäßigerweise durch eine Schraubenfeder zwischen dem tellerartigen Kopf und der Wandung des Rahmens dargestellt. Sie garantiert eine verschleißarme und gleichbleibende Wirkung.The spring force for the thrust element is expediently represented by a helical spring between the plate-like head and the wall of the frame. It guarantees a low-wear and consistent effect.

In einer fortgebildeten Variante besteht die Falle aus einem quer zur Bewegungsrichtung des Schubelements geführten Riegel, der an dem auf das Schubelement zeigenden Ende einen asymmetrischen Keil aufweist, dessen schräge Fläche mit dem Ende des Schubelements und dessen senkrecht auf das Schubelement weisende Fläche mit der Sperrringfläche der pilzartigen Erweiterung zusammenarbeitet. Dadurch wird der Riegel, vorausgesetzt, er ist nicht durch die Verschlussbaugruppe selbst verriegelt, beim Eintauchen des Schubelements seitwärts abgedrängt, bis er völlig von der Sperrringfläche des Führungselements frei ist, so dass der Schließkloben in Gänze aus dem Schacht der Verschlussbaugruppe ausfahren kann.In a developed variant, the case consists of a transversely to the direction of movement of the thrust element guided latch, which has an asymmetrical wedge on the end pointing to the thrust element whose inclined surface with the end of the thrust element and its perpendicular to the thrust element facing surface with the locking ring surface of fungal expansion works together. Thus, provided that the latch is not locked by the latch assembly itself, it is pushed sideways upon submersion of the pusher until it is completely free of the pawl surface of the guide member so that the latch can extend fully out of the shaft of the latch assembly.

Die Falle kann von einem Querriegel verriegelbar sein, der von der Verschlussbaugruppe elektrisch oder elektromagnetisch in die Riegelposition oder aus der Riegelposition bewegt wird. Für die Ausgestaltung solcher Querriegel sind alle konstruktiven Varianten offen, weil der Schließkloben aufgrund seiner Rotationssymmetrie keine Einschränkungen erfordert.The latch may be lockable by a cross bar that is moved electrically or electromagnetically into the latch position or from the latch position by the latch assembly. For the design of such crossbar all structural variants are open because the locking block requires no restrictions due to its rotational symmetry.

Die Merkmale der Unteransprüche können unter dem Aspekt der Erfindung in beliebiger Kombination miteinander und mit denen des Hauptanspruches sowie mit weiteren Merkmalen aus der Beschreibung angewendet werden.The features of the subclaims can be used in the aspect of the invention in any combination with each other and with those of the main claim and with further features of the description.

Anhand eines in der Zeichnung schematisch dargestellten Ausführungsbeispiels ist die Erfindung nachstehend erläutert. Es zeigen

Fig. 1
eine Frontansicht einer von vorn beschickbaren Waschmaschine mit einer Bullaugen-Türbaugruppe,
Fig. 2
die Detailansicht eines Schnitts entlang der Schnittlinie II - II in Fig. 1 durch die Türbaugruppe im Bereich der Verschlussbaugruppe beim Stand der Technik,
Fig. 3
eine Detailansicht eines Schnitts gemäß Fig. 2 durch die Türbau- gruppe im Bereich der Verschlussbaugruppe der Erfindung in ge- schlossener und verriegelter Position und
Fig. 4
eine Detailansicht wie Fig. 3 bei entriegelter Position der Verschluss- baugruppe.
Reference to an embodiment schematically illustrated in the drawing, the invention is explained below. Show it
Fig. 1
a front view of a front-loading washing machine with a porthole door assembly,
Fig. 2
the detailed view of a section along the section line II - II in Fig. 1 through the door assembly in the region of the closure assembly in the prior art,
Fig. 3
a detailed view of a section according to Fig. 2 by the door assembly in the region of the closure assembly of the invention in the closed and locked position and
Fig. 4
a detailed view like Fig. 3 in unlocked position of the closure assembly.

Die Waschmaschine gemäß Fig. 1 hat ein Gehäuse 1 mit einer frontseitigen Beschickungsöffnung, die durch eine Bullaugen-Türbaugruppe 2 verschlossen ist. Im oberen Bereich des Gehäuses 1 ist eine Bedienungsblende 3 eingebaut mit einer Griffplatte 4 für eine dahinter nicht sichtbare Waschmittelschublade. Die Türbaugruppe 2 besteht aus einem Rahmen 5, einem Glastopf 6, einer Scharnierbaugruppe 7 und einer Verschlussbaugruppe 8 mit einem Türgriff 9, der um eine senkrechte Achse schwenkbar gelagert ist. Dadurch kann eine Bedienungsperson den Griff 9 hintergreifen und um diese Achse aus der Türebene heraus schwenken. Im dargestellten Beispiel reicht der Türgriff 9 in die Kontur des Rahmens 5 hinein, so dass sein Betätigungsnocken 10 (Fig. 2) den innerhalb des Rahmens 5 schwenkbar gelagerten Schließkloben 11 angreifen kann.The washing machine according to Fig. 1 has a housing 1 with a front-side charging opening, which is closed by a porthole door assembly 2. In the upper part of the housing 1, a control panel 3 is installed with a handle plate 4 for a behind it not visible detergent drawer. The door assembly 2 consists of a frame 5, a glass pot 6, a hinge assembly 7 and a closure assembly 8 with a door handle 9 which is pivotally mounted about a vertical axis. As a result, an operator can grip behind the handle 9 and pivot about this axis out of the plane of the door. In the illustrated example, the door handle 9 extends into the contour of the frame 5, so that its actuating cam 10 (FIG. Fig. 2 ) Can attack the pivotally mounted within the frame 5 locking pin 11.

In Fig. 2 ist eine Verschlussbaugruppe 8 des Standes der Technik dargestellt. Hieran wird das Problem erläutert, das der Erfindung zugrunde liegt. Der Schließkloben 11 ist innerhalb des Türrahmens 5 schwenkbar gelagert. Seine Drehfeder 12 lastet von hinten gegen die Schwenkplatte 13 des Türgriffs 9. Dadurch wird der Schließkloben 11 mit seiner Nase 14 bei geschlossener Tür 2 im Eingriff mit einer Schließfalle 15 gehalten, die unmittelbar hinter der Vorderwand 16 des Gehäuses 1 der Waschmaschine befestigt ist. Der Kopf des Schließklobens 11 wird außerdem durch einen Topf 17 umschlossen, der einem beweglichen Riegel 18 angehört. Der Riegel 18 wird gegen den Druck einer Feder 19 unter der Spannung der Drehfeder 12 in der dargestellten Riegelposition gehalten. In dieser Position greift quer zur Bewegungsrichtung des Riegels 18 ein Sperrriegel 20 in den Riegel 18 ein, der die einzig mögliche Bewegung des Riegels 18 verhindert. Dadurch wird der Schließkloben 11 in der Verschlusslage verriegelt. Diese Verschlusslage kann nur durch elektrische Betätigung eines Elektromagneten 21 auf nicht näher dargestellte Weise nach Abschluss eines Programmabschnittes entriegelt werden, in dem ein Öffnen der Tür 2 zum Schutz der Bedienungsperson ausgeschlossen sein soll.In Fig. 2 For example, a prior art closure assembly 8 is shown. This will explain the problem underlying the invention. The locking bolt 11 is pivotally mounted within the door frame 5. Its torsion spring 12 rests from behind against the pivot plate 13 of the door handle 9. Thus, the locking pin 11 is held with its nose 14 with the door closed 2 in engagement with a latch 15 which is mounted immediately behind the front wall 16 of the housing 1 of the washing machine. The head of the locking bolt 11 is also enclosed by a pot 17, which belongs to a movable latch 18. The latch 18 is held against the pressure of a spring 19 under the tension of the torsion spring 12 in the illustrated latch position. In this position engages transversely to the direction of movement of the bolt 18, a locking bolt 20 in the latch 18, which prevents the only possible movement of the bolt 18. As a result, the locking cam 11 is locked in the closed position. This closure position can be unlocked only by electrical actuation of an electromagnet 21 in a manner not shown after completion of a program section in which an opening of the door 2 to protect the operator should be excluded.

Sobald der Riegel 18 durch Herausbewegen des Sperrriegels 20 aus der Verschlusslage frei beweglich wird, kann die Nase 14 des Schließklobens 11 durch Angreifen des Türgriffes 9 von der Schließfalle 15 frei kommen und der Schließkloben 11 zusammen mit der Türbewegung aus der Öffnung der Verschlussbaugruppe 8 gezogen werden. Dazu wird der Türgriff 9 in die gestrichelt gezeichnete Schwenkposition überführt, so dass sein Betätigungsnocken 10 den Hebelarm des Schließklobens 11 in die ebenfalls gestrichelt gezeichnete Schwenklage bewegt. In dieser Schwenklage zieht der Kopf des Schließklobens 11 den Riegel 18 in die gestrichelt gezeichnete Lage, in der der Topf 17 unter die Öffnung der Verschlussbaugruppe 8 gelangt. Die Druckfeder 19 hält den Riegel 18 in dieser Position, damit beim nächsten Schließvorgang der Schließkloben wieder in den Topf 17 eintauchen kann.Once the latch 18 is moved freely by moving the locking bolt 20 out of the closed position, the nose 14 of the locking bolt 11 can be released by engaging the door handle 9 of the latch 15 and the locking block 11 are pulled together with the door movement from the opening of the closure assembly 8 , For this purpose, the door handle 9 is transferred to the dashed pivot position, so that its actuating cam 10 moves the lever arm of the locking pin 11 in the likewise dashed line pivot position. In this pivotal position, the head of the closing bolt 11 pulls the bolt 18 into the position shown in dashed lines, in which the pot 17 passes under the opening of the closure assembly 8. The compression spring 19 holds the latch 18 in this position, so that at the next closing operation of the locking pin can dive back into the pot 17.

Soll bei gleicher Grundkonstruktion der Verschlussbaugruppe 8 und des Schließklobens 11 in einer Design-Variante der Waschmaschine der Türgriff 9 entsprechend der strichpunktierten Darstellung in Fig. 1 nach außen zeigend als Türgriff 22 am Rahmen 5 montiert sein, dann würde ein entsprechender Betätigungsnocken 23 von der falschen Seite an den Schließkloben 11 angreifen und ihn zur Öffnungsbewegung (siehe strichpunktierte Darstellung in Fig. 2) in die Schließposition drücken. Daher kann die aus dem Stand der Technik bekannte Konstruktion die gestellte Aufgabe nicht erfüllen.If the same basic construction of the closure assembly 8 and the locking pin 11 in a design variant of the washing machine, the door handle 9 corresponding to the dash-dotted representation in Fig. 1 pointing outwards as a door handle 22 on the frame 5 be mounted, then a corresponding actuating cam 23 would attack from the wrong side of the locking block 11 and it to the opening movement (see dash-dotted representation in FIG Fig. 2 ) to the closed position. Therefore, the construction known from the prior art can not fulfill the stated object.

Dazu dient die in der Schnittdarstellung in Fig. 3 (Detail des Querschnitts entlang der Schnittlinie II - II in Fig. 1) gezeigte Lösung gemäß der Erfindung. Gleichwirkende Teile haben dieselben Bezugszeichen wie diejenigen aus Fig. 2. Im Hohlraum des Rahmens 5 der Türbaugruppe 2 ist ebenfalls ein Türgriff 9 gelagert. Sein Betätigungsnocken 24 wirkt allerdings auf einen nur entlang seiner Achse teilweise beweglichen Schließkloben 25, der rotationssymmetrisch geformt sein kann. Er wird kraft einer Druckfeder 26 mittels seines tellerartigen Kopfs (Tellers 27) am Betätigungsnocken 24 des Türgriffs 9 in Anlage gehalten.This is served in the sectional view in Fig. 3 (Detail of the cross section along the section line II - II in Fig. 1 ) shown solution according to the invention. Like-acting parts have the same reference numerals as those Fig. 2 , In the cavity of the frame 5 of the door assembly 2, a door handle 9 is also mounted. Its actuating cam 24, however, acts on a locking cam 25 which is only partially movable along its axis and which can be shaped rotationally symmetrical. It is held by means of a compression spring 26 by means of its plate-like head (plate 27) on the actuating cam 24 of the door handle 9 in abutment.

Der Schließkloben 25 besteht aber aus einem Schubelement 28 mit dem Teller 27 und einem Führungselement 29. Dabei ist nur das Schubelement 28 im vorstehend genannten Sinne beweglich, während das Führungselement 29 ein einteiliger Bestandteil des Rahmens 5 oder eine Teils desselben ist. Zur Halterung des Führungselements 29 am Rahmen 5 können beispielsweise zwei nicht näher dargestellte Rippen dienen, die achsparallel zum Schubelement 28 liegen. Das Schubelement 28 hat dafür zwei Schlitze, welche die Rippen übergreifen.But the locking block 25 consists of a thrust element 28 with the plate 27 and a guide member 29. Only the thrust element 28 is movable in the above sense, while the guide member 29 is a one-piece part of the frame 5 or a part thereof. For holding the guide element 29 on the frame 5 can serve, for example, two ribs, not shown, which are axially parallel to the thrust element 28. The push element 28 has for two slots, which engage over the ribs.

Das Führungselement 29 hat am freien Ende als Riegelelement eine pilzartige Erweiterung (Kegelstumpfkopf 30), mit der es zum Verschließen der Tür 2 in die Öffnung 31 der Verschlussbaugruppe 32 eintaucht. Dabei greift der Kegelstumpfkopf 30 mit seiner rahmenseitigen Sperrringfläche 33 hinter die senkrecht zum Schließkloben stehende Fläche 37 des asymmetrischen Keils 34 eines Riegels 35 und bringt somit den Schließkloben 25 in die Verschlusslage. In dieser Lage wird der Riegel 35 durch die Druckfeder 19 gehalten. Durch eine Verriegelungssperre 41, die vom Elektromagneten 21 in nicht näher dargestellter Weise in die Sperrlage gebracht wird, kann der Riegel 35 in Verschlusslage des Schließklobens 25 gesperrt werden, so dass der Verschluss vom Türgriff 9 allein nicht gelöst werden kann.The guide element 29 has at the free end as a locking element a mushroom-like extension (truncated cone head 30), with which it dips into the opening 31 of the closure assembly 32 for closing the door 2. Here, the truncated cone head 30 engages with its frame-side locking ring surface 33 behind the perpendicular to the closing block surface 37 of the asymmetrical wedge 34 of a bolt 35 and thus brings the locking pin 25 in the closed position. In this position, the latch 35 is held by the compression spring 19. By a locking lock 41, which is brought by the electromagnet 21 in a manner not shown in the locked position, the bolt 35 can be locked in the closed position of the locking pin 25, so that the closure of the door handle 9 alone can not be solved.

Nach dem Ende eine Programmabschnitts, in dem aus Sicherheitsgründen die Tür 2 nicht zu öffnen sein darf, kann der Riegel 35 dann durch Freischalten des Elektromagneten 21 wieder entsperrt werden. Zum Öffnen der Tür 2 wird wieder nur der Griff 9 angehoben. Sein Betätigungsnocken 24 drückt dann auf den Teller 27 des Schubelements 28, das am Führungselement 29 entlang in die Öffnung 31 eindringt, so dass die vordere Ringkante des Schubelements 28 auf der schrägen Fläche 36 des Riegels 35 abgleitet, während der Riegel 35 dadurch ins Innere der Verschlussbaugruppe 32 zurückgedrängt wird. Sobald das Schubelement 28 mit seiner Vorderkante auf der Sperrringfläche 33 des Kegelstumpfkopfes 30 angelangt ist, gibt die senkrechte Fläche 37 des Riegels 35 die Sperrringfläche 33 frei, und der Schließkloben 25 kann wieder aus der Öffnung 31 gezogen werden, wodurch die Tür 2 offen ist.After the end of a program section in which the door 2 may not be opened for safety reasons, the latch 35 can then be unlocked by releasing the electromagnet 21 again. To open the door 2, only the handle 9 is raised again. Its actuating cam 24 then presses on the plate 27 of the thrust element 28, which penetrates along the guide member 29 in the opening 31, so that the front annular edge of the thrust element 28 slides on the inclined surface 36 of the bolt 35, while the bolt 35 thereby inside the Lock assembly 32 is pushed back. Once the pusher member 28 has reached its front edge on the locking ring surface 33 of the truncated cone head 30, the vertical surface 37 of the bolt 35, the locking ring surface 33 free, and the locking pin 25 can be pulled out of the opening 31 again, whereby the door 2 is open.

Die vorstehend beschriebenen Vorgänge sind unabhängig von der Einbaulage des Türgriffs 9. Ist nämlich statt des Türgriffs 9 der Türgriff 22 mit nach außen weisender Schwenkplatte 38 gemäß der strichpunktierten Linien eingebaut, dann drückt anstelle des Betätigungsnockens 24 derjenige (39) des Türgriffs 22 auf den Teller des Schubelements 28, und alle anderen Vorgänge bleiben bei Einsatz derselben Teile der Verschlussbaugruppe 32 und der Türbaugruppe 2 gleich. Lediglich die äußere Schale 40 der Türbaugruppe 2 sowie der Türgriff 22 - diese werden aus Design-Gründen ohnehin anders gestaltet sein - ist anstelle derjenigen der ersten Variante einzusetzen.If, instead of the door handle 9, the door handle 22 with outwardly facing pivot plate 38 according to the dotted lines installed, then presses instead of the actuating cam 24 that (39) of the door handle 22 on the plate of the pusher 28, and all other operations remain the same when using the same parts of the closure assembly 32 and the door assembly 2. Only the outer shell 40 of the door assembly 2 and the door handle 22 - these will be designed differently for design reasons anyway - is used instead of those of the first variant.

Auf das Wesen der Erfindung hat die Gestaltung der Einzelteile der Türbaugruppe 2 und der Verschlussbaugruppe 32 keinen Einfluss. Wesentlich ist, dass die Bewegung des Schließklobens 25 anders als derjenige aus dem Stande der Technik nicht quer zur Schließrichtung der Tür sondern in derselben Richtung einzurichten ist. Dadurch können vorteilhafterweise trotz unterschiedlicher Anordnungen der Türgriffe 9 bzw. 22 fast alle Teile der Tür- und der Verschlussbaugruppen 2, 32 identisch sein, so dass eine wesentliche Vereinheitlichung von Teilen zu geringeren Fertigungs-, Lager- und Montageanforderungen führen. Von besonderem Vorteil stellt sich hierbei auch heraus, dass die Zugbewegung am Griff 9 bzw. 22 identisch mit der Bewegung zur Befreiung des Schließklobens 25 bzw. die Druckbewegung an der Tür identisch ist mit der Bewegung zum Verschließen des Schließklobens 25.The design of the individual parts of the door assembly 2 and the closure assembly 32 has no influence on the nature of the invention. It is essential that the movement of the locking pin 25, unlike that of the prior art, is not to be set transversely to the closing direction of the door but in the same direction. As a result, despite different arrangements of the door handles 9 and 22, almost all parts of the door and closure assemblies 2, 32 can advantageously be identical, so that a substantial standardization of parts leads to lower manufacturing, storage and assembly requirements. It also turns out to be of particular advantage here that the pulling movement on the handle 9 or 22 is identical to the movement for the release of the locking bolt 25 or the pressure movement on the door is identical to the movement for closing the locking bolt 25.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11 Gehäusecasing 22 Bullaugen-TürbaugruppePorthole door assembly 33 BedienungsblendeControl panel 44 Griffplattegrip plate 55 Rahmenframe 66 Glastopfglass pot 77 Scharnierbaugruppehinge assembly 88th Verschlussbaugruppe des Standes der TechnikLock assembly of the prior art 99 Türgriffdoor handle 1010 Betätigungsnockenactuating cam 1111 Schließklobenclosing pin 1212 Drehfedertorsion spring 1313 Schwenkplatteswivel plate 1414 Nasenose 1515 Schließfalleclosing event 1616 Vorderwandfront wall 1717 Topfpot 1818 Riegelbars 1919 Druckfedercompression spring 2020 Sperrriegelsafety catch 2121 Elektromagnetelectromagnet 2222 Türgriffdoor handle 2323 Betätigungsnockenactuating cam 2424 Betätigungsnockenactuating cam 2525 Schließkloben gemäß ErfindungLocking block according to the invention 2626 Druckfedercompression spring 2727 TellerPlate 2828 Schubelementpush element 2929 Führungselementguide element 3030 KegelstumpfkopfTruncated cone head 3131 Öffnungopening 3232 Verschlussbaugruppeshutter assembly 3333 SperrringflächeLocking ring surface 3434 Asymmetrischer KeilAsymmetric wedge 3535 Riegelbars 3636 Schräge FlächeSloping surface 3737 Senkrechte FlächeVertical surface 3838 Schwenkplatteswivel plate 3939 Betätigungsnockenactuating cam 4040 Äußere Schale des Rahmens 5Outer shell of the frame 5 4141 Verriegelungssperrelock lock

Claims (8)

Wasch- oder Trockenmaschine mit einem Gehäuse (1) und einer Tür (2) zum gesicherten Verschließen der Beschickungsöffnung mittels einer elektrisch oder elektromagnetisch arbeitenden Verschlussbaugruppe (32) mittels einer Falle (35), die mit einem Schließkloben (25) der Tür (2) zusammenarbeitet, und mit einem zum Öffnen um eine in einer parallel zur Ebene der Beschickungsöffnung schwenkbaren Türgriff (9, 22), der an einem Rahmen (5) der Tür (2) gelagert ist, dadurch gekennzeichnet, dass der Schließkloben (25) aus einem am Rahmen (5) der Tür (2) befestigten Führungselement (29) mit einem in die Falle (35) eingreifenden Riegelelement (30) sowie einem auf dem Führungselement (29) geführten und durch Federkraft in Schließstellung gehaltenen Schubelement (28) besteht, dass der Türgriff (9, 22) oberhalb des Schubelements (28) gelagert ist und zum Öffnen mit einem Nocken (24, 39) gegen die Federkraft auf das Schubelement (28) dahingehend einwirkt, dass die Falle (35) der Verschlussbaugruppe (32) außer Eingriff mit dem Riegelelement (30) gelangt.Washing or drying machine having a housing (1) and a door (2) for securely closing the loading opening by means of an electrically or electromagnetically operating closure assembly (32) by means of a latch (35) connected to a closing cam (25) of the door (2) cooperates, and with a to open around a in a direction parallel to the loading opening plane door handle (9, 22) which is mounted on a frame (5) of the door (2), characterized in that the locking block (25) consists of a on the frame (5) of the door (2) fixed guide element (29) with a latch (35) engaging in the locking element (30) and a guided on the guide element (29) and held by spring force in the closed position thrust element (28) that the door handle (9, 22) is mounted above the pusher element (28) and for opening with a cam (24, 39) acts against the spring force on the pusher element (28) such that the catch (35) of the versc handle assembly (32) out of engagement with the locking element (30) passes. Wasch- oder Trockenmaschine nach Anspruch 1, dadurch gekennzeichnet, dass das Führungselement (29) ein am Rahmen (5) starr befestigter Rundstab ist, der sich senkrecht aus der dem Gehäuse (1) zugewandten Seite des Rahmens (5) erstreckt.Washing or drying machine according to claim 1, characterized in that the guide element (29) on the frame (5) rigidly mounted round rod which extends perpendicularly from the housing (1) facing side of the frame (5). Wasch- oder Trockenmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Rundstab (29) am gehäuseseitigen Ende als Riegelelement eine pilzartige Erweiterung (30) hat, die an der dem Gehäuse (1) zugewandten Seite kegelstumpfartig ausgebildet ist und an der dem Rahmen (5) zugewandten Seite eine Sperrringfläche (33) aufweist.Washing or drying machine according to claim 1 or 2, characterized in that the round rod (29) on the housing side end as a locking element has a mushroom-like extension (30) which is formed on the housing (1) side facing frustoconical and on the frame (5) facing side has a locking ring surface (33). Wasch- oder Trockenmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Schubelement (28) als Führung eine achsgleiche Bohrung aufweist, in der das Führungselement (29) gleitet.Washing or drying machine according to one of claims 1 to 3, characterized in that the thrust element (28) has an axis of the same bore as a guide, in which the guide element (29) slides. Wasch- oder Trockenmaschine nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, das Schubelement (28) einen tellerartigen Kopf (27) aufweist, der als Betätigungsfläche für den Betätigungsnocken (24, 39) des Türgriffs (9, 22) dient.Washing or drying machine according to one of the preceding claims, characterized in that the thrust element (28) has a plate-like head (27) which serves as an actuating surface for the actuating cam (24, 39) of the door handle (9, 22). Wasch- oder Trockenmaschine nach Anspruch 5, dadurch gekennzeichnet, dass die Federkraft durch eine Schraubenfeder (26) zwischen dem tellerartigen Kopf (27) und der Wandung des Rahmens (5) dargestellt ist.Washing or drying machine according to claim 5, characterized in that the spring force by a coil spring (26) between the plate-like head (27) and the wall of the frame (5) is shown. Wasch- oder Trockenmaschine nach Anspruch 6, dadurch gekennzeichnet, dass die Falle aus einem quer zur Bewegungsrichtung des Schubelements (28) geführten Riegel (35) besteht, der an dem auf das Schubelement (28) zeigenden Ende einen asymmetrischen Keil (34) aufweist, dessen schräge Fläche (36) mit dem Ende des Schubelements (28) und dessen senkrecht auf das Schubelement (28) weisende Fläche (37) mit der Sperrringfläche (33) der pilzartigen Erweiterung (30) zusammenarbeitet.Washing or drying machine according to claim 6, characterized in that the trap consists of a transversely to the direction of movement of the thrust element (28) guided latch (35) having an asymmetric wedge (34) at the end pointing to the thrust element (28), the inclined surface (36) with the end of the thrust element (28) and its perpendicular to the thrust element (28) facing surface (37) with the locking ring surface (33) of the mushroom-like extension (30) cooperates. Wasch- oder Trockenmaschine nach Anspruch 7, dadurch gekennzeichnet, dass die Falle (35) von einer Verriegelungssperre (41) verriegelbar ist, die von der Verschlussbaugruppe (32) elektrisch oder elektromagnetisch in die Riegelposition oder aus der Riegelposition bewegt werden kann.Washing or drying machine according to claim 7, characterized in that the latch (35) of a locking lock (41) can be locked, which can be moved by the closure assembly (32) electrically or electromagnetically in the locking position or from the locking position.
EP10161251A 2009-05-15 2010-04-28 Washer/dryer with a housing and a door Active EP2258897B1 (en)

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Publication number Priority date Publication date Assignee Title
ITRM20100498A1 (en) * 2010-09-27 2012-03-28 Bitron Spa SYSTEM FOR THE OPENING OF A DOOR, IN PARTICULAR FOR THE DOOR OF A HOUSEHOLD APPLIANCE.
IT201600098473A1 (en) * 2016-09-30 2018-03-30 Elettrotecnica Rold Srl DEVICE FOR THE CLOSING AND OPENING OF SHUTTERS, IN PARTICULAR OF HOUSEHOLD APPLIANCES SUCH AS WASHING MACHINES OR SIMILAR
CN109629179A (en) * 2019-01-18 2019-04-16 温州天健电器有限公司 A kind of washing machine locking device and washing machine
US11814778B2 (en) 2021-08-24 2023-11-14 Whirlpool Corporation Venting latch assembly for front-loading washing machine

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DE4116528A1 (en) * 1990-10-17 1992-04-23 Zanker Gmbh Household appliance with door locking mechanism
DE4414325C1 (en) 1994-04-25 1995-09-28 Ymos Ag Ind Produkte Locking device for washing machine etc.
DE102007009540A1 (en) * 2007-02-27 2008-08-28 Emz-Hanauer Gmbh & Co. Kgaa Door lock for e.g. washing machine, has locking unit fitting part fitting locking unit at door, such that locking unit is movable forwards relative to door against elastic force in closing direction of door

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRM20100498A1 (en) * 2010-09-27 2012-03-28 Bitron Spa SYSTEM FOR THE OPENING OF A DOOR, IN PARTICULAR FOR THE DOOR OF A HOUSEHOLD APPLIANCE.
WO2012042551A1 (en) * 2010-09-27 2012-04-05 Bitron S.P.A. System for opening a door, in particular for the door of a hausehold appliance
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IT201600098473A1 (en) * 2016-09-30 2018-03-30 Elettrotecnica Rold Srl DEVICE FOR THE CLOSING AND OPENING OF SHUTTERS, IN PARTICULAR OF HOUSEHOLD APPLIANCES SUCH AS WASHING MACHINES OR SIMILAR
WO2018060943A1 (en) * 2016-09-30 2018-04-05 Elettrotecnica Rold S.R.L. Device for closing and opening panels, in particular panels of electrical household appliances such as washing machines and the like
CN109629179A (en) * 2019-01-18 2019-04-16 温州天健电器有限公司 A kind of washing machine locking device and washing machine
US11814778B2 (en) 2021-08-24 2023-11-14 Whirlpool Corporation Venting latch assembly for front-loading washing machine

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PL2258897T3 (en) 2012-07-31
EP2258897B1 (en) 2012-02-15
ATE545726T1 (en) 2012-03-15
DE102009003169A1 (en) 2010-11-18

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