EP2026689A1 - Lock for a domestic appliance - Google Patents

Lock for a domestic appliance

Info

Publication number
EP2026689A1
EP2026689A1 EP07722505A EP07722505A EP2026689A1 EP 2026689 A1 EP2026689 A1 EP 2026689A1 EP 07722505 A EP07722505 A EP 07722505A EP 07722505 A EP07722505 A EP 07722505A EP 2026689 A1 EP2026689 A1 EP 2026689A1
Authority
EP
European Patent Office
Prior art keywords
holding element
leg spring
axis
lock
closure
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
EP07722505A
Other languages
German (de)
French (fr)
Other versions
EP2026689B1 (en
Inventor
Heinrich Müller
Manfred Lonau
Stephan Spengler
Karin Spengler
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.)
Marquardt GmbH
Original Assignee
Marquardt 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 Marquardt GmbH filed Critical Marquardt GmbH
Publication of EP2026689A1 publication Critical patent/EP2026689A1/en
Application granted granted Critical
Publication of EP2026689B1 publication Critical patent/EP2026689B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0607—Controlling mechanically-operated bolts by electro-magnetically-operated detents the detent moving pivotally or rotatively
    • 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
    • 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
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0403—Wound springs
    • E05B2015/0406—Wound springs wound in a cylindrical shape
    • E05B2015/041—Wound springs wound in a cylindrical shape loaded perpendicular to cylinder axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C5/00—Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C5/00—Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively
    • E05C5/02—Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively both moving axially and turning about their axis to secure the wing

Definitions

  • the invention relates to a closure according to the preamble of patent claim 1.
  • Domestic appliances such as a tumble dryer, a washing machine, a dishwasher, a refrigerator o.
  • the like hereinafter also referred to as a closing element to allow loading and / or unloading.
  • the household appliances are provided with a closure for the closing element.
  • such a closure which has a movable holding element for interacting with a bolt located on the closing element.
  • the holding element holds in a first position, the bolt, so that the closing element is closed on the household appliance.
  • the retaining element releases the latch, so that the closing element can be opened on the domestic appliance.
  • An elastic element acts on the retaining element with a force in the direction of the first position, so that the closing element is moved on the domestic appliance in the closed position.
  • the holding element is designed in the manner of a slide, which due to the linear movement of the holding element, a certain space for the closure is needed.
  • this closure is less suitable for some kinematic arrangements of the closing element because of the linear movement.
  • the invention has for its object to further develop the closure with respect to a smaller size. This object is achieved in a generic closure by the characterizing features of claim 1.
  • the elastic element consists of a leg spring, in particular in the manner of a double leg spring.
  • this shutter pulls after triggering by the moving in the closed position door of the device this independently in the intended end position.
  • the tensile force acting in this case has a largely constant course over the entire Zuziehweg.
  • the tensile force required to open the closure is within a widely specifiable range and is largely constant over the entire path. Further embodiments of the invention are the subject of the dependent claims.
  • the closure has a housing for protection.
  • the leg spring can be stored in a simple manner by means of a shaft, a lug, a stop o. The like.
  • the holding element has a recess for receiving the bolt, wherein the bolt may be configured in the manner of a closing hook.
  • the holding element is guided in such a way that due to the action of the leg spring, the recess for their respective orientation with respect to the bolt performs a type of rotary-sliding movement, pivoting movement o.
  • pivoting movement o The like.
  • a first axis is located on the holding element, which is plugged in particular projecting in the holding element.
  • the axis is guided for movement between the first and second positions in a guide in the housing.
  • a leg is suspended on one side of the axle projecting on the holding element.
  • the holding element is pivoted in the movement between the two positions, so that a proper alignment of the recess is achieved on the holding element for the bolt.
  • a further second axis which is arranged at a distance from the first axis, is located on the holding element.
  • the second axis can be inserted in a simple manner projecting in the holding element.
  • the second axis is guided during movement of the holding element to the first position in an extension of the guide, wherein the second axis snaps when moving the holding element in the second position in a subsequent to the extension of the guide locking receptacle.
  • the latching receptacle is arranged at a corresponding angle for extending the guide, such that the force exerted by the leg spring force is then introduced into the housing.
  • the holding element made of plastic acts on movement between the first and second position with a suitably made of metal holding rod together.
  • the support rod is fixed in the housing, whereby the force exerted by the leg spring force is introduced into the housing.
  • the holding element with one of the recess on the holding element facing away from the forming surface on the support rod, so that the recess is aligned during movement of the holding member between the first and the second position accordingly.
  • the leg spring is further suspended by means of an eyelet connecting the two legs of the leg spring on the holding element.
  • Such training is characterized mainly by a small number of components, making the closure is particularly cost. Nevertheless, the shutter works very reliable.
  • the door on the household appliance can be additionally locked.
  • the closure has a cooperating with the holding element, two states possessing lock, so that the lock in a first state, the movement of the holding element between the two positions locks and releases the movement of the holding element between the two positions in a second state.
  • the lock is controllable by means of an electromagnet between the two states.
  • a plunger is on the electromagnet via an example W-shaped configured backdrop with the lock for reversing between the two states in Operatively connected.
  • Such designed lock provides a particularly compact arrangement.
  • the arrangement of a switching element in the housing of the closure offers.
  • the switching element is operatively connected to the latch, so that the switching element generates a corresponding switching signal as a function of the state of the latch. These switching signals are then used to control the lock.
  • the switching element can also switch a circuit, for example, for the interior lighting of the domestic appliance, on which the closure is arranged.
  • a particularly preferred embodiment of the invention is that a double leg spring is arranged in a housing so that the holding element or a closing piece is pressed in a defined direction.
  • the striker consists of a suitable geometry to accommodate the attached to the zuhaltenden door locking hooks and thus pull the door.
  • On the striker two axes are attached. At the first axis of the free leg of the double leg spring is applied and initiates the stored force in the closing piece.
  • the second axis is used to guide the closing piece in a backdrop, so that basically two positions of the closing piece are possible, namely, first, to initiate the closing force in the door and second, to initiate the closing force in the case with the door open.
  • the advantages achieved by the invention are in particular that a reduced number of parts for the closure is achieved in comparison to previous solutions at least the same function.
  • the closure according to the invention is suitable for a variety of different kinematic movements of the door on the device and very reliable.
  • the closure according to the invention is configured physically small and can therefore be used in the device even with limited installation space.
  • the closure is cost-effective despite high functionality and thus particularly suitable for cost-sensitive household appliances. Exemplary embodiments of the invention with various developments and refinements are shown in the drawings and will be described in more detail below. Show it
  • FIG. 2 shows the closure as in Fig. 1, but seen from the opposite side
  • FIG. 3 is an exploded view of the closure of FIG. 1,
  • FIG. 4 shows a section along the line 4-4 in Fig. 1, wherein the holding element is in the second position
  • FIG. 5 shows a section as in FIG. 4, wherein the retaining element is located between the second and the first position, FIG.
  • FIG. 6 is a section as in Fig. 4, wherein the holding element is in the first position
  • FIG. 7 shows a section along the line 7-7 in FIG. 1, wherein the retaining element is located between the second and the first position, FIG.
  • FIG. 8 shows a section as in FIG. 7, wherein the retaining element is in the first position
  • FIG. 9 is a side view according to the arrow IX in Fig. 2,
  • FIG. 10 is an enlarged detail view of Fig. 9 and
  • FIG. 11 shows a closure according to a second Ausruhrungsform in a perspective view.
  • a domestic appliance such as a tumble dryer, a washing machine, a dishwasher o.
  • the shutter 1 has a housing 2, in which a holding element 3, which is configured in the present case in the manner of a rotary latch, a closing piece o.
  • the like. Is movably mounted.
  • the retaining element 3 interacts with a latch located on the door of the household appliance, not shown further, configured in the manner of a closing hook, for closing the door, wherein the latch has an opening 22 visible on the housing 2 in FIG. 4 recess 4 shown on the holding element 3 can engage.
  • the closure 1 can be closed by a cover 21, which can be seen in Fig. 3, on the housing 2.
  • the holding element 3 holds in a first position, which is shown in Fig. 6 or Fig. 8, the bolt fixed and are in a second position, which is shown in Fig. 4, the bolt free.
  • the first position thus the door is closed, while the door can be opened in the second position.
  • an elastic element 5 acts on the holding element 3 with a force in the direction of the first position.
  • the elastic element 5 serves as a supportive closing aid for the user.
  • the elastic element 5 according to the invention consists of a leg spring, preferably in the manner of a torsion leg spring. In order to provide even with little space large spring forces available, it makes sense to use a double leg spring 5, which also increases the comfort of the user.
  • the leg spring 5 is mounted in the housing 2 by means of a shaft 6, which is shown only in FIG. Likewise, the leg spring 5 can be mounted in the housing 2 by means of a projection 25, which is shown in FIG. 11, of a stop or the like.
  • a first axis 7 is arranged on the holding element 3. The axis 7 is inserted in the holding element 3 protruding, as shown in particular in FIG. 1 can be removed, and is guided in a guide 9 in the housing 2 for the corresponding movement of the support member 3.
  • the one free leg 12 of the leg spring 5 is mounted as shown in FIG. 7 on the axis 7, so as to exert a corresponding spring force on the support member 3.
  • a further second axis 8 spaced from the first axis 7 is arranged on the holding element 3. Also, this axis 8 is inserted projecting in the holding element 3.
  • the second axis 8 is guided during movement of the holding element 3 to the first position in an extension 10 of the guide 9, as shown in FIG. 9 extracts. Furthermore, the second axis 8 snaps when moving the retaining element 3 in the second position in a subsequent to the extension 10 of the guide 9 Rastaufhahme 11 a.
  • the locking receptacle 11 which is arranged at a corresponding angle to the extension 10, the force exerted by the leg spring 5 is then introduced into the housing 2.
  • the holding element 3 is in the visible in Fig. 4 second position, in which the second axis 8 is snapped into the locking receptacle 11 and the recess 4 is aligned for receiving the bolt.
  • the latch on the door engages in the recess 4 on the holding element 3.
  • the latch cooperates with the holding element 3 such that the second axis 8 snaps out of the locking receptacle 11 and slides in the extension 10, as shown in Fig. 5 can be seen.
  • the two axes slide 7, 8 supported by the force exerted by the leg spring 5 force in the guide 9 and in the extension 10, wherein the support member 3 is finally moved to the visible in Fig. 6 first position.
  • the holding element 3 performs a type of rotary-sliding movement or pivoting movement, wherein the recess 4 is aligned with the respective position in relation to the bolt. Due to the orientation of the recess 4 in the first position and the force of the leg spring 5, the door remains closed.
  • the door If the door is closed, it can be opened against the force of the leg spring 5.
  • the engaging in the recess 4 latch on the door moves the Retaining element 3 from the visible in Fig. 6 first position by means of the axes 7, 8 along the guide 9 and the extension 10 reaches the second axis 8, the end of the extension 10, so the holding element 3 in between the first and the second 5, so then snaps the second axis 8 by pivoting the support member 3 in the locking receptacle 11, wherein the recess 4 is again aligned accordingly.
  • the holding member 3 is in the visible in Fig. 4 second position in which the latch is released on the door, so that the door can be fully opened by the user. Due to the latching in the locking receptacle 11, the holding element 3 then remains in the second position despite the action of the force of the leg spring. 5
  • the retaining element 3 can be locked in the first position, whereby then the door can not be opened by the user. Only after the retaining element 3 is released in the first position, the door can be opened by the user in the manner described.
  • the closure 1 has a cooperating with the holding element 3, two states possessing, shown in Fig. 1 or Fig. 2 lock 15 which is pivotally mounted in the housing 2.
  • the lock 15 locks in a first state, which can be seen in Fig. 6 or Fig. 8, the movement of the holding member 3 between the two positions by a visible in Fig. 6 cam 19 is in engagement with the movement path of the holding member 3 , In a second state, which can be seen in FIG. 5 or FIG. 7, the lock 15 releases the movement of the holding element 3 between the two positions by the cam 19 visible in FIG. 5 being disengaged from the movement path of the holding element 3 is.
  • the lock 15 is connected by means of an electromagnet 16 between the Both states controllable, as can be seen from FIG. 1.
  • a plunger 17 is connected to the electromagnet 16 via an example W-shaped configured link 18 with the lock 15 for reversing the cam 19 between the two states by corresponding pivoting of the lock 15 in operative connection.
  • a plunger 17 is connected to the electromagnet 16 via an example W-shaped configured link 18 with the lock 15 for reversing the cam 19 between the two states by corresponding pivoting of the lock 15 in operative connection.
  • the solenoid 16 can in turn be controlled by a corresponding control in the household appliance to block or release the door. It makes sense, that a switching element 20 is in operative connection with the lock 15, so that the switching element 20 generates depending on the state of the lock 15 corresponding switching signals and / or switches a circuit in the domestic appliance. These switching signals can then be used for the corresponding driving of the electromagnet 16.
  • a door switch 23 may be arranged, which turns on, for example, the circuit for the lighting in the household appliance with the door open. The door switch 23 is actuated by the door via an actuator 24.
  • FIG. 11 A closure 1 according to a further, second embodiment is shown in FIG. 11.
  • the leg spring 5 is here hooked directly to the support member 3, by means of the two legs 12, 13 of the leg spring 5 connecting eyelet 14.
  • a support rod 26 is fixed, with the holding member 3 in movement between the first and second positions interacts.
  • the force exerted by the leg spring 5 on the retaining element 3 is introduced via the retaining rod 26 into the housing 2.
  • the holding element 3 is located with one of the recess 4 on the holding element 3 facing away from the mold surface 27 on the support rod 26, so that the recess 4 upon movement of the holding member 3 between the first and the second position corresponding to the release or blocking the bolt is aligned to the door.
  • Fig. 11 is still a circuit board 28 for receiving the electronics for driving the shutter 1 and / or for receiving the door switch 23, the terminal 29 for the Voltage supply of the electromagnet 16 and a spring 30 for the lock 15 to see.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Casings For Electric Apparatus (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

The invention relates to a lock (1), in particular for a domestic appliance such as a tumble dryer, a washing machine, a dishwasher or the like, comprising a moveable retaining element (3) which is particularly designed in the manner of a rotary catch. The retaining element (3) interacts with a bolt which is located on a closing element, such as a door, a cover, a flap or the like, of the domestic appliance in that the retaining element (3) fixes the bolt in a first position and releases the bolt in a second position. An elastic element which comprises a leg spring (5), to be precise particularly in the form of a double leg spring, acts on the retaining element (3) with a force in the direction of the first position.

Description

Verschluß für ein Hausgerät Closure for a household appliance
Die Erfindung betrifft einen Verschluß nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a closure according to the preamble of patent claim 1.
Hausgeräte, wie ein Wäschetrockner, eine Waschmaschine, eine Geschirrspülmaschine, ein Kühlschrank o. dgl., besitzen eine Türe, einen Deckel, eine Klappe o. dgl, nachfolgend auch als Schließelement bezeichnet, um ein Be- und/oder Entladen zu gestatten. Die Hausgeräte sind mit einem Verschluß für das Schließelement versehen.Domestic appliances, such as a tumble dryer, a washing machine, a dishwasher, a refrigerator o. The like., Have a door, a lid, a flap o. The like, hereinafter also referred to as a closing element to allow loading and / or unloading. The household appliances are provided with a closure for the closing element.
Aus der DE 10 2005 017 870 Al ist ein solcher Verschluß bekannt, der ein bewegbares Halteelement zum Zusammenwirken mit einem am Schließelement befindlichen Riegel aufweist. Das Halteelement hält in einer ersten Stellung den Riegel fest, so daß das Schließelement am Hausgerät geschlossen ist. In einer zweiten Stellung gibt das Halteelement den Riegel frei, so daß das Schließelement am Hausgerät geöffnet werden kann. Ein elastisches Element wirkt auf das Halteelement mit einer Kraft in Richtung auf die erste Stellung ein, derart daß das Schließelement am Hausgerät in die geschlossene Stellung bewegt wird.From DE 10 2005 017 870 Al, such a closure is known, which has a movable holding element for interacting with a bolt located on the closing element. The holding element holds in a first position, the bolt, so that the closing element is closed on the household appliance. In a second position, the retaining element releases the latch, so that the closing element can be opened on the domestic appliance. An elastic element acts on the retaining element with a force in the direction of the first position, so that the closing element is moved on the domestic appliance in the closed position.
Bei diesem Verschluß ist das Halteelement in der Art eines Schiebers ausgestaltet, womit aufgrund der linearen Bewegung des Halteelements ein gewisser Bauraum für den Verschluß benötigt wird. Außerdem ist dieser Verschluß für manche kinematischen Anordnungen des Schließelements wegen der linearen Bewegung weniger geeignet.In this closure, the holding element is designed in the manner of a slide, which due to the linear movement of the holding element, a certain space for the closure is needed. In addition, this closure is less suitable for some kinematic arrangements of the closing element because of the linear movement.
Der Erfindung liegt die Aufgabe zugrunde, den Verschluß im Hinblick auf einen kleinere Baugröße weiterzuentwickeln. Diese Aufgabe wird bei einem gattungsgemäßen Verschluß durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.The invention has for its object to further develop the closure with respect to a smaller size. This object is achieved in a generic closure by the characterizing features of claim 1.
Beim erfindungsgemäßen Verschluß besteht das elastische Element aus einer Schenkelfeder, und zwar insbesondere in der Art einer Doppelschenkelfeder. Vorteilhafterweise zieht dieser Verschluß nach Auslösung durch die in Schließposition bewegte Tür des Gerätes diese selbständig in die vorgesehene Endstellung. Die dabei wirkende Zugkraft weist einen weitgehend konstanten Verlauf über den gesamten Zuziehweg auf. Die zum Öffnen des Verschlusses erforderliche Zugkraft liegt innerhalb eines weit spezifizierbaren Bereiches und ist über den gesamten Weg weitgehend konstant. Weitere Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.In the closure according to the invention, the elastic element consists of a leg spring, in particular in the manner of a double leg spring. Advantageously, this shutter pulls after triggering by the moving in the closed position door of the device this independently in the intended end position. The tensile force acting in this case has a largely constant course over the entire Zuziehweg. The tensile force required to open the closure is within a widely specifiable range and is largely constant over the entire path. Further embodiments of the invention are the subject of the dependent claims.
In üblicher Weise weist der Verschluß ein Gehäuse zum Schutz auf. Die Schenkelfeder kann in einfacher Weise mittels einer Welle, eines Ansatzes, eines Anschlags o. dgl. im Gehäuse gelagert sein. In weiterer Ausgestaltung weist das Halteelement eine Ausnehmung zur Aufnahme des Riegels auf, wobei der Riegel in der Art eines Schließhakens ausgestaltet sein kann. Das Halteelement ist derart geführt, daß aufgrund der Einwirkung der Schenkelfeder die Ausnehmung zu deren jeweiliger Ausrichtung in Bezug auf den Riegel eine Art von Dreh-Schiebe-Bewegung, Schwenkbewegung o. dgl. bei Bewegung des Halteelements zwischen der ersten und der zweiten Stellung ausführt. Dadurch wird eine Ausrichtung der Ausnehmung innerhalb eines engen Raumbereichs ermöglicht, was zur kompakten Bauweise des Verschlusses beiträgt.In the usual way, the closure has a housing for protection. The leg spring can be stored in a simple manner by means of a shaft, a lug, a stop o. The like. In the housing. In a further embodiment, the holding element has a recess for receiving the bolt, wherein the bolt may be configured in the manner of a closing hook. The holding element is guided in such a way that due to the action of the leg spring, the recess for their respective orientation with respect to the bolt performs a type of rotary-sliding movement, pivoting movement o. The like. When moving the holding element between the first and the second position. This allows alignment of the recess within a narrow space, which contributes to the compact design of the closure.
Bei einer ersten Ausbildung des erfindungsgemäßen Verschlusses ist am Halteelement eine erste Achse befindlich, die insbesondere im Halteelement überstehend eingesteckt ist. Die Achse ist für die Bewegung zwischen der ersten und der zweiten Stellung in einer Führung im Gehäuse geführt. Es bietet sich der Einfachheit halber an, den Schenkel der Schenkelfeder an der Achse einzuhängen. Bei einer Doppelschenkelfeder ist jeweils ein Schenkel an je einer Seite der am Halteelement überstehenden Achse eingehängt. Das Halteelement wird bei der Bewegung zwischen den beiden Stellungen verschwenkt, damit eine funktionsgemäße Ausrichtung der Ausnehmung am Halteelement für den Riegel erreicht wird. Hierfür ist am Halteelement eine weitere zweite Achse, die beabstandet zur ersten Achse angeordnet ist, befindlich. Die zweite Achse kann in einfacher Weise im Halteelement überstehend eingesteckt sein. Die zweite Achse ist bei Bewegung des Halteelements zur ersten Stellung in einer Verlängerung der Führung geführt, wobei die zweite Achse bei Bewegung des Halteelements in die zweite Stellung in eine an die Verlängerung der Führung anschließende Rastaufnahme einschnappt. Die Rastaufnahme ist in einem entsprechenden Winkel zur Verlängerung der Führung angeordnet, derart daß die von der Schenkelfeder ausgeübte Kraft dann in das Gehäuse eingeleitet wird.In a first embodiment of the closure according to the invention a first axis is located on the holding element, which is plugged in particular projecting in the holding element. The axis is guided for movement between the first and second positions in a guide in the housing. For the sake of simplicity, it is advisable to mount the leg of the leg spring on the axle. In a double leg spring in each case a leg is suspended on one side of the axle projecting on the holding element. The holding element is pivoted in the movement between the two positions, so that a proper alignment of the recess is achieved on the holding element for the bolt. For this purpose, a further second axis, which is arranged at a distance from the first axis, is located on the holding element. The second axis can be inserted in a simple manner projecting in the holding element. The second axis is guided during movement of the holding element to the first position in an extension of the guide, wherein the second axis snaps when moving the holding element in the second position in a subsequent to the extension of the guide locking receptacle. The latching receptacle is arranged at a corresponding angle for extending the guide, such that the force exerted by the leg spring force is then introduced into the housing.
Bei einer zweiten Ausbildung des erfindungsgemäßen Verschlusses wirkt das aus Kunststoff bestehende Halteelement bei Bewegung zwischen der ersten und zweiten Stellung mit einer zweckmäßigerweise aus Metall bestehenden Haltestange zusammen. Die Haltestange ist im Gehäuse befestigt, womit die von der Schenkelfeder ausgeübte Kraft in das Gehäuse eingeleitet wird. In bevorzugter Ausgestaltung liegt das Halteelement mit einer der Ausnehmung am Halteelement abgewandten Formfläche an der Haltestange an, derart daß die Ausnehmung bei Bewegung des Halteelements zwischen der ersten und der zweiten Stellung dementsprechend ausgerichtet wird. Zweckmäßigerweise ist weiterhin die Schenkelfeder mittels einer die beiden Schenkel der Schenkelfeder verbindenden Öse am Halteelement eingehängt. Ein solche Ausbildung zeichnet sich vor allem durch eine geringe Anzahl an Bauteilen aus, wodurch der Verschluß besonders kostengünstig ist. Dennoch arbeitet der Verschluß sehr zuverlässig.In a second embodiment of the closure according to the invention the holding element made of plastic acts on movement between the first and second position with a suitably made of metal holding rod together. The support rod is fixed in the housing, whereby the force exerted by the leg spring force is introduced into the housing. In a preferred embodiment, the holding element with one of the recess on the holding element facing away from the forming surface on the support rod, so that the recess is aligned during movement of the holding member between the first and the second position accordingly. Conveniently, the leg spring is further suspended by means of an eyelet connecting the two legs of the leg spring on the holding element. Such training is characterized mainly by a small number of components, making the closure is particularly cost. Nevertheless, the shutter works very reliable.
In einer Weiterbildung kann die Türe am Hausgerät zusätzlich versperrbar sein. Hierzu weist der Verschluß eine mit dem Halteelement zusammenwirkende, zwei Zustände besitzende Verriegelung auf, derart daß die Verriegelung in einem ersten Zustand die Bewegung des Halteelements zwischen den beiden Stellungen sperrt und in einem zweiten Zustand die Bewegung des Halteelements zwischen den beiden Stellungen freigibt. Bevorzugterweise ist die Verriegelung mittels eines Elektromagneten zwischen den beiden Zuständen steuerbar. Dabei steht ein Stößel am Elektromagnet über eine beispielsweise W-förmig ausgestaltete Kulisse mit der Verriegelung zur Umsteuerung zwischen den beiden Zuständen in Wirkverbindung. Eine derart ausgestaltete Verriegelung bietet eine besonders kompakte Anordnung.In a further development, the door on the household appliance can be additionally locked. For this purpose, the closure has a cooperating with the holding element, two states possessing lock, so that the lock in a first state, the movement of the holding element between the two positions locks and releases the movement of the holding element between the two positions in a second state. Preferably, the lock is controllable by means of an electromagnet between the two states. In this case, a plunger is on the electromagnet via an example W-shaped configured backdrop with the lock for reversing between the two states in Operatively connected. Such designed lock provides a particularly compact arrangement.
Zum entsprechenden Ansteuern der Verriegelung für den Verschluß bietet sich die Anordnung eines Schaltelements im Gehäuse des Verschlusses an. Das Schaltelement steht mit der Verriegelung in Wirkverbindung, so daß das Schaltelement in Abhängigkeit vom Zustand der Verriegelung ein entsprechendes Schaltsignal erzeugt. Diese Schaltsignale werden dann zur Ansteuerung der Verriegelung herangezogen. Selbstverständlich kann das Schaltelement auch einen Stromkreis schalten, beispielsweise für die Innenbeleuchtung des Hausgerätes, an dem der Verschluß angeordnet ist.For appropriate driving of the lock for the closure, the arrangement of a switching element in the housing of the closure offers. The switching element is operatively connected to the latch, so that the switching element generates a corresponding switching signal as a function of the state of the latch. These switching signals are then used to control the lock. Of course, the switching element can also switch a circuit, for example, for the interior lighting of the domestic appliance, on which the closure is arranged.
Zusammenfassend besteht eine besonders bevorzugte Ausführungsform der Erfindung darin, daß eine Doppelschenkelfeder in einem Gehäuse so angeordnet ist, daß das Halteelement bzw. ein Schließstück in eine definierte Richtung gedrückt wird. Das Schließstück besteht aus einer geeigneten Geometrie, um den an der zuzuhaltenden Türe befestigten Schließhaken aufzunehmen und so die Türe zuzuziehen. An dem Schließstück sind zwei Achsen angebracht. An der ersten Achse liegt der freie Schenkel der Doppelschenkelfeder an und leitet die gespeicherte Kraft in das Schließstück ein. Die zweite Achse dient zur Führung des Schließstückes in einer Kulisse, derart daß grundsätzlich zwei Positionen des Schließstückes möglich sind, nämlich erstens zur Einleitung der Schließkraft in die Türe sowie zweitens zur Einleitung der Schließkraft in das Gehäuse bei geöffneter Türe.In summary, a particularly preferred embodiment of the invention is that a double leg spring is arranged in a housing so that the holding element or a closing piece is pressed in a defined direction. The striker consists of a suitable geometry to accommodate the attached to the zuhaltenden door locking hooks and thus pull the door. On the striker two axes are attached. At the first axis of the free leg of the double leg spring is applied and initiates the stored force in the closing piece. The second axis is used to guide the closing piece in a backdrop, so that basically two positions of the closing piece are possible, namely, first, to initiate the closing force in the door and second, to initiate the closing force in the case with the door open.
Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, daß im Vergleich zu bisherigen Lösungen bei zumindest gleicher Funktion eine reduzierte Teilezahl für den Verschluß erreicht ist. Der erfindungsgemäße Verschluß ist für eine Vielzahl von unterschiedlichen kinematischen Bewegungen der Türe am Gerät geeignet sowie sehr funktionssicher. Außerdem ist der erfindungsgemäße Verschluß kleinbauend ausgestaltet und kann daher auch bei beschränkten Einbauräumen im Gerät eingesetzt werden. Außerdem ist der Verschluß trotz hoher Funktionalität kostengünstig und somit insbesondere für kostensensitive Haushaltsgeräte geeignet. Ausfuhrungsbeispiele der Erfindung mit verschiedenen Weiterbildungen und Ausgestaltungen sind in den Zeichnungen dargestellt und werden im folgenden näher beschrieben. Es zeigenThe advantages achieved by the invention are in particular that a reduced number of parts for the closure is achieved in comparison to previous solutions at least the same function. The closure according to the invention is suitable for a variety of different kinematic movements of the door on the device and very reliable. In addition, the closure according to the invention is configured physically small and can therefore be used in the device even with limited installation space. In addition, the closure is cost-effective despite high functionality and thus particularly suitable for cost-sensitive household appliances. Exemplary embodiments of the invention with various developments and refinements are shown in the drawings and will be described in more detail below. Show it
Fig. 1 einen Verschluß entsprechend einer ersten Ausfuhrungsforrn in perspektivischer Ansicht,1 shows a closure according to a first Ausfuhrungsforrn in a perspective view,
Fig. 2 den Verschluß wie in Fig. 1, jedoch von der gegenüberliegenden Seite gesehen,2 shows the closure as in Fig. 1, but seen from the opposite side,
Fig. 3 eine Explosionsdarstellung des Verschlusses aus Fig. 1,3 is an exploded view of the closure of FIG. 1,
Fig. 4 einen Schnitt entlang der Linie 4-4 in Fig. 1, wobei sich das Halteelement in der zweiten Stellung befindet,4 shows a section along the line 4-4 in Fig. 1, wherein the holding element is in the second position,
Fig. 5 einen Schnitt wie in Fig. 4, wobei sich das Halteelement zwischen der zweiten und der ersten Stellung befindet,5 shows a section as in FIG. 4, wherein the retaining element is located between the second and the first position, FIG.
Fig. 6 einen Schnitt wie in Fig. 4, wobei sich das Halteelement in der ersten Stellung befindet,6 is a section as in Fig. 4, wherein the holding element is in the first position,
Fig. 7 einen Schnitt entlang der Linie 7-7 in Fig. 1, wobei sich das Halteelement zwischen der zweiten und der ersten Stellung befindet,7 shows a section along the line 7-7 in FIG. 1, wherein the retaining element is located between the second and the first position, FIG.
Fig. 8 einen Schnitt wie in Fig. 7, wobei sich das Halteelement in der ersten Stellung befindet,8 shows a section as in FIG. 7, wherein the retaining element is in the first position, FIG.
Fig. 9 eine Seitenansicht gemäß dem Pfeil IX in Fig. 2,9 is a side view according to the arrow IX in Fig. 2,
Fig. 10 eine vergrößerte Detailansicht aus Fig. 9 und10 is an enlarged detail view of Fig. 9 and
Fig. 11 einen Verschluß entsprechend einer zweiten Ausruhrungsform in perspektivischer Ansicht. Ein Verschluß 1 für eine Türe, einen Deckel, eine Klappe oder ein sonstiges bewegliches Teil als Schließelement, nachfolgend nur noch vereinfachend mit Türe bezeichnet, an einem Hausgerät, wie an einem Wäschetrockner, an einer Waschmaschine, an einer Geschirrspülmaschine o. dgl., ist näher in Fig. 1 oder Fig. 2 zu sehen. Der Verschluß 1 besitzt ein Gehäuse 2, in dem ein Halteelement 3, das vorliegend in der Art einer Drehfalle, eines Schließstücks o. dgl. ausgestaltet ist, bewegbar gelagert ist. Das Halteelement 3 wirkt mit einem an der Türe des Hausgerätes befindlichen, nicht weiter gezeigten, in der Art eines Schließhakens ausgestalten Riegel zum Schließen der Türe zusammen, wobei der Riegel über eine in Fig. 3 sichtbare Öffnung 22 am Gehäuse 2 in eine in Fig. 4 gezeigte Ausnehmung 4 am Halteelement 3 eingreifen kann. Der Verschluß 1 kann mittels eines Deckels 21, der in Fig. 3 zu sehen ist, am Gehäuse 2 verschlossen sein.Fig. 11 shows a closure according to a second Ausruhrungsform in a perspective view. A closure 1 for a door, a lid, a flap or other movable part as a closing element, hereinafter referred to simply as a door, on a domestic appliance, such as a tumble dryer, a washing machine, a dishwasher o. The like., Is closer to see in Fig. 1 or Fig. 2. The shutter 1 has a housing 2, in which a holding element 3, which is configured in the present case in the manner of a rotary latch, a closing piece o. The like., Is movably mounted. The retaining element 3 interacts with a latch located on the door of the household appliance, not shown further, configured in the manner of a closing hook, for closing the door, wherein the latch has an opening 22 visible on the housing 2 in FIG. 4 recess 4 shown on the holding element 3 can engage. The closure 1 can be closed by a cover 21, which can be seen in Fig. 3, on the housing 2.
Das Halteelement 3 hält in einer ersten Stellung, die in Fig. 6 oder Fig. 8 gezeigt ist, den Riegel fest sowie gibt in einer zweiten Stellung, die in Fig. 4 gezeigt ist, den Riegel frei. In der ersten Stellung ist somit die Türe geschlossen, während die Türe in der zweiten Stellung geöffnet werden kann. Damit beim Schließen der Türe diese vollständig zugezogen wird, wirkt ein elastisches Element 5 auf das Halteelement 3 mit einer Kraft in Richtung auf die erste Stellung ein. Zusätzlich dient das elastische Element 5 als unterstützende Schließhilfe für den Benutzer. Das elastische Element 5 besteht erfindungsgemäß aus einer Schenkelfeder und zwar bevorzugterweise in der Art einer Torsions-Schenkelfeder. Um auch bei wenig Platz große Federkräfte zur Verfügung zu stellen, bietet es sich an, eine Doppelschenkelfeder 5 zu verwenden, was zusätzlich den Komfort für den Benutzer erhöht.The holding element 3 holds in a first position, which is shown in Fig. 6 or Fig. 8, the bolt fixed and are in a second position, which is shown in Fig. 4, the bolt free. In the first position thus the door is closed, while the door can be opened in the second position. So that when closing the door this is completely closed, an elastic element 5 acts on the holding element 3 with a force in the direction of the first position. In addition, the elastic element 5 serves as a supportive closing aid for the user. The elastic element 5 according to the invention consists of a leg spring, preferably in the manner of a torsion leg spring. In order to provide even with little space large spring forces available, it makes sense to use a double leg spring 5, which also increases the comfort of the user.
Die Schenkelfeder 5 ist mittels einer Welle 6, die lediglich in Fig. 1 eingezeichnet ist, im Gehäuse 2 gelagert. Ebenso kann die Schenkelfeder 5 mittels eines Ansatzes 25, welcher in Fig. 11 gezeigt ist, eines Anschlags o. dgl. im Gehäuse 2 gelagert sein. Am Halteelement 3 ist eine erste Achse 7 angeordnet. Die Achse 7 ist im Halteelement 3 überstehend eingesteckt, wie insbesondere der Fig. 1 entnommen werden kann, und ist in einer Führung 9 im Gehäuse 2 zur entsprechenden Bewegung des Halteelements 3 geführt. Der eine freie Schenkel 12 der Schenkelfeder 5 ist gemäß der Fig. 7 an der Achse 7 eingehängt, um so eine dementsprechende Federkraft auf das Halteelement 3 auszuüben. Handelt es sich bei der Schenkelfeder 5 um eine Doppelschenkelfeder, so ist jeweils ein Schenkel 12, 13 an je einer Seite der am Halteelement 3 überstehenden Achse 7 eingehängt. Weiterhin bietet es sich dann an, die beiden Schenkel 12, 13 an deren freiem Ende entsprechend Fig. 2 mittels einer hakenförmigen Öse 14 miteinander zu verbinden.The leg spring 5 is mounted in the housing 2 by means of a shaft 6, which is shown only in FIG. Likewise, the leg spring 5 can be mounted in the housing 2 by means of a projection 25, which is shown in FIG. 11, of a stop or the like. On the holding element 3, a first axis 7 is arranged. The axis 7 is inserted in the holding element 3 protruding, as shown in particular in FIG. 1 can be removed, and is guided in a guide 9 in the housing 2 for the corresponding movement of the support member 3. The one free leg 12 of the leg spring 5 is mounted as shown in FIG. 7 on the axis 7, so as to exert a corresponding spring force on the support member 3. Is it the case of Leg spring 5 to a double leg spring, so one leg 12, 13 is mounted on one side of each of the support member 3 projecting axis 7 respectively. Furthermore, it then makes sense to connect the two legs 12, 13 at their free end according to FIG. 2 by means of a hook-shaped eyelet 14 with each other.
Am Halteelement 3 ist eine weitere zweite Achse 8 beabstandet zur ersten Achse 7 angeordnet. Auch diese Achse 8 ist im Halteelement 3 überstehend eingesteckt. Die zweite Achse 8 ist bei Bewegung des Halteelements 3 zur ersten Stellung in einer Verlängerung 10 der Führung 9 geführt, wie man der Fig. 9 entnimmt. Desweiteren schnappt die zweite Achse 8 bei Bewegung des Halteelements 3 in die zweite Stellung in eine an die Verlängerung 10 der Führung 9 anschließende Rastaufhahme 11 ein. In der Rastaufnahme 11, die in einem entsprechenden Winkel zur Verlängerung 10 angeordnet ist, wird die von der Schenkelfeder 5 ausgeübte Kraft dann in das Gehäuse 2 eingeleitet.On the holding element 3, a further second axis 8 spaced from the first axis 7 is arranged. Also, this axis 8 is inserted projecting in the holding element 3. The second axis 8 is guided during movement of the holding element 3 to the first position in an extension 10 of the guide 9, as shown in FIG. 9 extracts. Furthermore, the second axis 8 snaps when moving the retaining element 3 in the second position in a subsequent to the extension 10 of the guide 9 Rastaufhahme 11 a. In the locking receptacle 11, which is arranged at a corresponding angle to the extension 10, the force exerted by the leg spring 5 is then introduced into the housing 2.
Die Funktionsweise des erfϊndungsgemäßen Verschlusses 1 ist nun die folgende.The operation of the closure 1 according to the invention is now the following.
Ist die Türe geöffnet, so befindet sich das Halteelement 3 in der in Fig. 4 sichtbaren zweiten Stellung, in welche die zweite Achse 8 in die Rastaufnahme 11 eingeschnappt ist und die Ausnehmung 4 zur Aufnahme des Riegels ausgerichtet ist. Wird die Türe geschlossen, so greift der Riegel an der Türe in die Ausnehmung 4 am Halteelement 3 ein. Dabei wirkt der Riegel mit dem Halteelement 3 derart zusammen, daß die zweite Achse 8 aus der Rastaufnahme 11 herausschnappt und in die Verlängerung 10 gleitet, wie in Fig. 5 zu sehen ist. Dabei gleiten die beiden Achsen 7, 8 unterstützt durch die von der Schenkelfeder 5 ausgeübte Kraft in der Führung 9 sowie in der Verlängerung 10, wobei das Halteelement 3 schließlich in die in Fig. 6 sichtbare erste Stellung bewegt wird. Ersichtlich führt das Halteelement 3 dabei eine Art von Dreh-Schiebe-Bewegung bzw. Schwenkbewegung durch, wobei die Ausnehmung 4 der jeweiligen Stellung entsprechend in Bezug auf den Riegel ausgerichtet ist. Aufgrund der Ausrichtung der Ausnehmung 4 in der ersten Stellung sowie der Kraft der Schenkelfeder 5 bleibt die Türe damit geschlossen.If the door is open, then the holding element 3 is in the visible in Fig. 4 second position, in which the second axis 8 is snapped into the locking receptacle 11 and the recess 4 is aligned for receiving the bolt. If the door is closed, the latch on the door engages in the recess 4 on the holding element 3. In this case, the latch cooperates with the holding element 3 such that the second axis 8 snaps out of the locking receptacle 11 and slides in the extension 10, as shown in Fig. 5 can be seen. In this case, the two axes slide 7, 8 supported by the force exerted by the leg spring 5 force in the guide 9 and in the extension 10, wherein the support member 3 is finally moved to the visible in Fig. 6 first position. Obviously, the holding element 3 performs a type of rotary-sliding movement or pivoting movement, wherein the recess 4 is aligned with the respective position in relation to the bolt. Due to the orientation of the recess 4 in the first position and the force of the leg spring 5, the door remains closed.
Ist die Türe geschlossen, so kann diese entgegen der Kraft der Schenkelfeder 5 geöffnet werden. Dabei bewegt der in die Ausnehmung 4 eingreifende Riegel an der Türe das Halteelement 3 aus der in Fig. 6 sichtbaren ersten Stellung mittels der Achsen 7, 8 entlang der Führung 9 sowie der Verlängerung 10. Erreicht die zweite Achse 8 das Ende der Verlängerung 10, also ist das Halteelement 3 in der zwischen der ersten sowie der zweiten Stellung befindlichen Zwischenstellung gemäß Fig. 5, so schnappt dann die zweite Achse 8 unter Verschwenkung des Halteelements 3 in die Rastaufnahme 11 ein, wobei die Ausnehmung 4 wiederum dementsprechend ausgerichtet wird. Damit befindet sich das Halteelement 3 in der in Fig. 4 sichtbaren zweiten Stellung, in der der Riegel an der Türe freigegeben ist, so daß die Türe vom Benutzer vollständig geöffnet werden kann. Aufgrund der Rastung in der Rastaufnahme 11 verbleibt das Halteelement 3 dann in der zweiten Stellung trotz Einwirkung der Kraft der Schenkelfeder 5.If the door is closed, it can be opened against the force of the leg spring 5. The engaging in the recess 4 latch on the door moves the Retaining element 3 from the visible in Fig. 6 first position by means of the axes 7, 8 along the guide 9 and the extension 10 reaches the second axis 8, the end of the extension 10, so the holding element 3 in between the first and the second 5, so then snaps the second axis 8 by pivoting the support member 3 in the locking receptacle 11, wherein the recess 4 is again aligned accordingly. Thus, the holding member 3 is in the visible in Fig. 4 second position in which the latch is released on the door, so that the door can be fully opened by the user. Due to the latching in the locking receptacle 11, the holding element 3 then remains in the second position despite the action of the force of the leg spring. 5
Der geschilderte Bewegungsablauf des Halteelements 3 zwischen der ersten sowie der zweiten Stellung durch Bewegung der Achsen 7, 8 entlang der Führung 9, Verlängerung 10 sowie der Rastaufnahme 11 läßt sich auch in der vergrößerten Darstellung gemäß Fig. 10 verfolgen. Bei der Bewegung zwischen den beiden Stellungen verschwenkt auch das Halteelement 3 entsprechend, so daß die Ausnehmung 4 zur funktionsgemäßen Zusammenwirkung mit dem Riegel ausgerichtet ist.The described sequence of movement of the holding element 3 between the first and the second position by movement of the axes 7, 8 along the guide 9, extension 10 and the locking receptacle 11 can also be followed in the enlarged view of FIG. In the movement between the two positions, the holding element 3 pivots accordingly, so that the recess 4 is aligned for proper interaction with the bolt.
In einer Weiterbildung des Verschlusses 1 ist das Halteelement 3 in der ersten Stellung verriegelbar, womit dann die Türe vom Benutzer nicht geöffnet werden kann. Erst nachdem das Halteelement 3 in der ersten Stellung freigegeben ist, kann die Türe vom Benutzer in der beschriebenen Weise geöffnet werden.In a further development of the closure 1, the retaining element 3 can be locked in the first position, whereby then the door can not be opened by the user. Only after the retaining element 3 is released in the first position, the door can be opened by the user in the manner described.
Hierfür besitzt der Verschluß 1 eine mit dem Halteelement 3 zusammenwirkende, zwei Zustände besitzende, in Fig. 1 oder Fig. 2 gezeigte Verriegelung 15, die schwenkbar im Gehäuse 2 gelagert ist. Die Verriegelung 15 sperrt in einem ersten Zustand, der in Fig. 6 oder Fig. 8 zu sehen ist, die Bewegung des Halteelements 3 zwischen den beiden Stellungen, indem ein in Fig. 6 sichtbarer Nocken 19 in Eingriff an der Bewegungsbahn des Halteelements 3 steht. In einem zweiten Zustand, der in Fig. 5 oder Fig. 7 zu sehen ist, gibt die Verriegelung 15 die Bewegung des Halteelements 3 zwischen den beiden Stellungen frei, indem der in Fig. 5 sichtbare Nocken 19 außer Eingriff an der Bewegungsbahn des Halteelements 3 ist. Die Verriegelung 15 ist mittels eines Elektromagneten 16 zwischen den beiden Zuständen steuerbar, wie anhand der Fig. 1 zu erkennen ist. Hierzu steht ein Stößel 17 am Elektromagnet 16 über eine beispielsweise W-förmig ausgestaltete Kulisse 18 mit der Verriegelung 15 zur Umsteuerung des Nockens 19 zwischen den beiden Zuständen durch dementsprechende Verschwenkung der Verriegelung 15 in Wirkverbindung. Zur näheren Ausgestaltung der Verriegelung 15 wird im übrigen auf die DE 10 2005 017 870 Al verwiesen.For this purpose, the closure 1 has a cooperating with the holding element 3, two states possessing, shown in Fig. 1 or Fig. 2 lock 15 which is pivotally mounted in the housing 2. The lock 15 locks in a first state, which can be seen in Fig. 6 or Fig. 8, the movement of the holding member 3 between the two positions by a visible in Fig. 6 cam 19 is in engagement with the movement path of the holding member 3 , In a second state, which can be seen in FIG. 5 or FIG. 7, the lock 15 releases the movement of the holding element 3 between the two positions by the cam 19 visible in FIG. 5 being disengaged from the movement path of the holding element 3 is. The lock 15 is connected by means of an electromagnet 16 between the Both states controllable, as can be seen from FIG. 1. For this purpose, a plunger 17 is connected to the electromagnet 16 via an example W-shaped configured link 18 with the lock 15 for reversing the cam 19 between the two states by corresponding pivoting of the lock 15 in operative connection. For further details of the lock 15, reference is made to DE 10 2005 017 870 A1.
Der Elektromagnet 16 kann wiederum von einer entsprechenden Steuerung im Hausgerät zur Sperrung oder Freigabe der Türe angesteuert werden. Dafür bietet es sich an, daß ein Schaltelement 20 mit der Verriegelung 15 in Wirkverbindung steht, derart daß das Schaltelement 20 in Abhängigkeit vom Zustand der Verriegelung 15 entsprechende Schaltsignale erzeugt und/oder einen Stromkreis im Hausgerät schaltet. Diese Schaltsignale können dann zum dementsprechenden Ansteuern des Elektromagneten 16 verwendet werden. Desweiteren kann, wie in Fig. 4 zu sehen ist, im Gehäuse 2 noch ein Türschalter 23 angeordnet sein, der beispielsweise den Stromkreis für die Beleuchtung im Hausgerät bei geöffneter Türe einschaltet. Der Türschalter 23 wird von der Türe über ein Betätigungsorgan 24 betätigt.The solenoid 16 can in turn be controlled by a corresponding control in the household appliance to block or release the door. It makes sense, that a switching element 20 is in operative connection with the lock 15, so that the switching element 20 generates depending on the state of the lock 15 corresponding switching signals and / or switches a circuit in the domestic appliance. These switching signals can then be used for the corresponding driving of the electromagnet 16. Furthermore, as can be seen in Fig. 4, in the housing 2 is still a door switch 23 may be arranged, which turns on, for example, the circuit for the lighting in the household appliance with the door open. The door switch 23 is actuated by the door via an actuator 24.
Ein Verschluß 1 entsprechend einer weiteren, zweiten Ausfuhrungsform ist in Fig. 11 zu sehen. Die Schenkelfeder 5 ist hier direkt am Halteelement 3 eingehängt, und zwar mittels der die beiden Schenkel 12, 13 der Schenkelfeder 5 verbindenden Öse 14. Im Gehäuse 2 ist eine Haltestange 26 befestigt, mit der das Halteelement 3 bei Bewegung zwischen der ersten und zweiten Stellung zusammenwirkt. Dadurch wird die von der Schenkelfeder 5 auf das Halteelement 3 ausgeübte Kraft über die Haltestange 26 in das Gehäuse 2 eingeleitet. Wie der Fig. 11 zu entnehmen ist, liegt das Halteelement 3 mit einer der Ausnehmung 4 am Halteelement 3 abgewandten Formfläche 27 an der Haltestange 26 an, so daß die Ausnehmung 4 bei Bewegung des Halteelements 3 zwischen der ersten und der zweiten Stellung entsprechend zur Freigabe bzw. Blockierung des Riegels an der Türe ausgerichtet wird. Während das Halteelement 3 in üblicher Weise aus Kunststoff besteht, besteht im Hinblick auf die einwirkenden Kräfte die Haltestange 26 zweckmäßigerweise aus Metall. In Fig. 11 ist noch eine Leiterplatte 28 zur Aufnahme der Elektronik für die Ansteuerung des Verschlusses 1 und/oder zur Aufnahme des Türschalters 23, der Anschluß 29 für die Spannungsversorgung des Elektromagneten 16 sowie einer Feder 30 für die Verriegelung 15 zu sehen.A closure 1 according to a further, second embodiment is shown in FIG. 11. The leg spring 5 is here hooked directly to the support member 3, by means of the two legs 12, 13 of the leg spring 5 connecting eyelet 14. In the housing 2, a support rod 26 is fixed, with the holding member 3 in movement between the first and second positions interacts. As a result, the force exerted by the leg spring 5 on the retaining element 3 is introduced via the retaining rod 26 into the housing 2. As shown in FIG. 11 it can be seen, the holding element 3 is located with one of the recess 4 on the holding element 3 facing away from the mold surface 27 on the support rod 26, so that the recess 4 upon movement of the holding member 3 between the first and the second position corresponding to the release or blocking the bolt is aligned to the door. While the holding element 3 is made of plastic in the usual way, the holding bar 26 is expediently made of metal with regard to the acting forces. In Fig. 11 is still a circuit board 28 for receiving the electronics for driving the shutter 1 and / or for receiving the door switch 23, the terminal 29 for the Voltage supply of the electromagnet 16 and a spring 30 for the lock 15 to see.
Die Erfindung ist nicht auf die beschriebenen und dargestellten Ausführungsbeispiele beschränkt. Sie umfaßt vielmehr auch alle fachmännischen Weiterbildungen im Rahmen der durch die Patentansprüche definierten Erfindung. So kann ein solcher Verschluß nicht nur in Hausgeräten, sondern auch in sonstigen mit einem Schließelement versehenen Geräten Verwendung finden, insbesondere bei beengten Einbauräumen. Desweiteren ist aufgrund der hohen Funktionssicherheit des erfindungsgemäßen Verschlusses auch ein Einsatz in Kraftfahrzeugen, Immobilien o. dgl. möglich. The invention is not limited to the described and illustrated embodiments. Rather, it also encompasses all expert developments within the scope of the invention defined by the claims. Thus, such a closure can be used not only in household appliances, but also in other provided with a closing device devices, especially in confined spaces. Furthermore, due to the high reliability of the closure according to the invention also use in motor vehicles, real estate o. The like. Possible.
Bezugszeichen-Liste:Reference numeral list:
: Verschluß : Gehäuse : Halteelement : Ausnehmung (am Halteelement) : elastisches Element / Schenkelfeder / Doppelschenkelfeder : Welle : (erste) Achse : (zweite) Achse : Führung (für erste Achse) 0 : Verlängerung (für zweite Achse) 1 : Rastaufnahme 2,13: Schenkel (der Schenkelfeder) 4: (hakenförmige) Öse 5: Verriegelung 6 : Elektromagnet 7: Stößel 8: Kulisse 9: Nocken 0: Schaltelement 1 : Deckel (von Gehäuse) 2: Öffnung 3: Türschalter 4: Betätigungsorgan (von Türschalter) 5: Ansatz 6: Haltestange 7: Formfläche (am Halteelement) 8: Leiterplatte 9: Anschluß (für Elektromagnet) 0 : Feder (für Verriegelung) : Closure: Housing: Retaining element: recess (on holding element): elastic element / leg spring / double leg spring: shaft: (first) axis: (second) axis: guide (for first axis) 0: extension (for second axis) 1: detent recess 2 , 13: Leg (leg spring) 4: Hook - shaped eyelet 5: Lock 6: Electromagnet 7: Push rod 8: Gate 9: Cam 0: Switching element 1: Cover (of housing) 2: Opening 3: Door switch 4: Actuator (of Door switch) 5: Lug 6: Handrail 7: Mold surface (on the holding member) 8: Circuit board 9: Connection (for solenoid) 0: Spring (for locking)

Claims

P at e n t a n s p r ü c h e : Claim:
1. Verschluß, insbesondere für ein Hausgerät, wie einen Wäschetrockner, eine Waschmaschine, eine Geschirrspülmaschine o. dgl., mit einem bewegbaren, insbesondere in der Art einer Drehfalle ausgestalteten Halteelement (3) zum Zusammenwirken mit einem an einem Schließelement, wie einer Türe, einem Deckel, einer Klappe o. dgl., des Hausgerätes befindlichen Riegel, wobei das Halteelement (3) in einer ersten Stellung den Riegel festhält sowie in einer zweiten Stellung den Riegel freigibt, und wobei ein elastisches Element auf das Halteelement (3) mit einer Kraft in Richtung auf die erste Stellung einwirkt, dadurch gekennzeichnet, daß das elastische Element aus einer Schenkelfeder (5), insbesondere in der Art einer Doppelschenkelfeder, besteht.1. closure, in particular for a household appliance, such as a tumble dryer, a washing machine, a dishwasher o. The like., With a movable, in particular in the manner of a rotary trap configured holding element (3) for interacting with a on a closing element, such as a door, a lid, a flap o. The like., The domestic appliance latch, wherein the holding element (3) holds the latch in a first position and releases the latch in a second position, and wherein an elastic element on the holding element (3) with a Force acts in the direction of the first position, characterized in that the elastic element consists of a leg spring (5), in particular in the manner of a double leg spring.
2. Verschluß nach Anspruch 1, dadurch gekennzeichnet, daß das Halteelement (3) eine Ausnehmung (4) zur Aufnahme des Riegels aufweist, daß vorzugsweise der Riegel in der Art eines Schließhakens ausgestaltet ist, und daß weiter vorzugsweise die Ausnehmung (4) zu deren jeweiliger Ausrichtung eine Art von Dreh-Schiebe-Bewegung, Schwenkbewegung o. dgl. bei Bewegung des Halteelements (3) zwischen der ersten und der zweiten Stellung ausführt.2. Closure according to claim 1, characterized in that the holding element (3) has a recess (4) for receiving the bolt, that preferably the bolt is designed in the manner of a closing hook, and further preferably that the recess (4) to the a respective type of rotational sliding movement, pivotal movement o. The like. When moving the holding member (3) between the first and the second position performs.
3. Verschluß nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Verschluß (1) ein Gehäuse (2) aufweist, und daß vorzugsweise die Schenkelfeder (5), insbesondere mittels einer Welle (6), eines Ansatzes (25), eines Anschlags o. dgl., im Gehäuse (2) gelagert ist.3. Closure according to claim 1 or 2, characterized in that the closure (1) has a housing (2), and that preferably the leg spring (5), in particular by means of a shaft (6), a projection (25), a stop o. The like., In the housing (2) is mounted.
4. Verschluß nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß am Halteelement (3) eine erste Achse (7) befindlich ist, insbesondere im Halteelement (3) überstehend eingesteckt ist, daß vorzugsweise die erste Achse (7) in einer Führung (9) im Gehäuse (2) geführt ist, und daß weiter vorzugsweise ein Schenkel (12, 13) der Schenkelfeder (5) an der ersten Achse (7) eingehängt ist, insbesondere daß jeweils ein Schenkel (12, 13) der Doppelschenkelfeder (5) an je einer Seite der am Halteelement (3) überstehenden ersten Achse (7) eingehängt ist. 4. A closure according to claim 1, 2 or 3, characterized in that on the holding element (3) has a first axis (7) is located, in particular in the holding element (3) is inserted projecting that preferably the first axis (7) in a guide (9) in the housing (2) is guided, and further preferably a leg (12, 13) of the leg spring (5) on the first axis (7) is suspended, in particular that in each case a leg (12, 13) of the double leg spring ( 5) on each side of the holding element (3) protruding first axis (7) is mounted.
5. Verschluß nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß am Halteelement (3) eine weitere zweite Achse (8), die beabstandet zur ersten Achse (7) angeordnet ist, befindlich ist, insbesondere im Halteelement (3) überstehend eingesteckt ist, daß vorzugsweise die zweite Achse (8) bei Bewegung des Halteelements (3) zur ersten Stellung in einer Verlängerung (10) der Führung (9) geführt ist, und daß weiter vorzugsweise die zweite Achse (8) bei Bewegung des Halteelements (3) in die zweite Stellung in eine an die Verlängerung (10) der Führung (9) anschließende Rastaufnahme (11) einschnappt, insbesondere derart daß die von der Schenkelfeder (5) ausgeübte Kraft in das Gehäuse (2) eingeleitet wird.5. Closure according to one of claims 1 to 4, characterized in that on the holding element (3) a further second axis (8), which is arranged at a distance from the first axis (7) is located, in particular in the holding element (3) plugged over is that preferably the second axis (8) is guided on movement of the holding element (3) to the first position in an extension (10) of the guide (9), and further preferably the second axis (8) upon movement of the holding element (3 ) in the second position in one of the extension (10) of the guide (9) subsequent snap-in receptacle (11) snaps, in particular such that the force exerted by the leg spring (5) force in the housing (2) is introduced.
6. Verschluß nach Ansprach 1, 2 oder 3, dadurch gekennzeichnet, daß die Schenkelfeder (5), insbesondere mittels einer die beiden Schenkel (12, 13) der Schenkelfeder (5) verbindenden Öse (14), am Halteelement (3) eingehängt ist, daß vorzugsweise das Halteelement (3) bei Bewegung zwischen der ersten und zweiten Stellung mit einer Haltestange (26) zusammenwirkt, und daß weiter vorzugsweise die Haltestange (26) im Gehäuse (2) befestigt ist, insbesondere derart daß die von der Schenkelfeder (5) ausgeübte Kraft in das Gehäuse (2) eingeleitet wird.6. Closure according spoke 1, 2 or 3, characterized in that the leg spring (5), in particular by means of a two legs (12, 13) of the leg spring (5) connecting eyelet (14), on the holding element (3) is mounted in that, preferably, the holding element (3) cooperates with a holding bar (26) when moving between the first and second positions, and more preferably that the holding bar (26) is fixed in the housing (2), in particular such that the bar of the leg spring (5 ) applied force in the housing (2) is initiated.
7. Verschluß nach Ansprach 6, dadurch gekennzeichnet, daß das Halteelement (3) mit einer der Ausnehmung (4) am Halteelement (3) abgewandten Formfläche (27) an der Haltestange (26) anliegt, derart daß die Ausnehmung (4) bei Bewegung des Halteelements (3) zwischen der ersten und der zweiten Stellung demtentsprechend ausgerichtet wird, und daß vorzugsweise die Haltestange (26) aus Metall und/oder das Halteelement (3) aus Kunststoff besteht.7. closure according to spoke 6, characterized in that the holding element (3) with one of the recess (4) on the holding element (3) facing away from the mold surface (27) on the support rod (26), such that the recess (4) during movement of the holding element (3) is aligned demtentsprechend between the first and the second position, and that preferably the support rod (26) made of metal and / or the holding element (3) consists of plastic.
8. Verschluß nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Verschluß (1) eine mit dem Halteelement (3) zusammenwirkende, zwei Zustände besitzende Verriegelung (15) aufweist, derart daß die Verriegelung (15) in einem ersten Zustand die Bewegung des Halteelements (3) zwischen den beiden Stellungen sperrt und in einem zweiten Zustand die Bewegung des Halteelements (3) zwischen den beiden Stellungen freigibt, daß vorzugsweise die Verriegelung (15) mittels eines Elektromagneten (16) zwischen den beiden Zuständen steuerbar ist, und daß weiter vorzugsweise ein Stößel (17) am Elektromagnet (16) über eine beispielsweise W-förmig ausgestaltete Kulisse (18) mit der Verriegelung (15) zur Umsteuerung zwischen den beiden Zuständen in Wirkverbindung steht.8. Closure according to one of claims 1 to 7, characterized in that the closure (1) has a with the holding element (3) cooperating, two states owning lock (15), such that the lock (15) in a first state the Movement of the holding element (3) between the two positions locks and in a second state, the movement of the holding element (3) between the two positions releases that preferably the lock (15) by means of an electromagnet (16) between the two states is controllable, and further preferably a plunger (17) on the electromagnet (16) via an example W-shaped configured link (18) with the lock (15) for reversing between the two states is in operative connection.
9. Verschluß nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß ein Schaltelement (20) mit der Verriegelung (15) in Wirkverbindung steht, derart daß das Schaltelement (20) in Abhängigkeit vom Zustand der Verriegelung (15) ein Schaltsignal erzeugt und/oder einen Stromkreis schaltet. 9. A closure according to any one of claims 1 to 8, characterized in that a switching element (20) with the lock (15) is in operative connection, such that the switching element (20) in response to the state of the lock (15) generates a switching signal and / or a circuit switches.
EP07722505.0A 2006-06-03 2007-06-01 Lock for a domestic appliance Not-in-force EP2026689B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006026071 2006-06-03
PCT/DE2007/000992 WO2007140755A1 (en) 2006-06-03 2007-06-01 Lock for a domestic appliance

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EP2026689A1 true EP2026689A1 (en) 2009-02-25
EP2026689B1 EP2026689B1 (en) 2016-02-03

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KR100980441B1 (en) * 2010-02-25 2010-09-07 두얼메카닉스 주식회사 Door lock apparatus
IT1405177B1 (en) 2010-11-26 2013-12-20 Illinois Tool Works DEVICE FOR LOCKING FOR A HOUSEHOLD APPLIANCE, IN PARTICULAR A DISHWASHER, AND HOUSEHOLD APPLIANCES OF THE SAME
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EP2026689B1 (en) 2016-02-03

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