EP1055882A2 - Hinging device for a household appliance - Google Patents

Hinging device for a household appliance Download PDF

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Publication number
EP1055882A2
EP1055882A2 EP00111210A EP00111210A EP1055882A2 EP 1055882 A2 EP1055882 A2 EP 1055882A2 EP 00111210 A EP00111210 A EP 00111210A EP 00111210 A EP00111210 A EP 00111210A EP 1055882 A2 EP1055882 A2 EP 1055882A2
Authority
EP
European Patent Office
Prior art keywords
door
connecting rod
hinge device
domestic appliance
rotation axis
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
EP00111210A
Other languages
German (de)
French (fr)
Other versions
EP1055882A3 (en
EP1055882B1 (en
Inventor
Klaus Erdmann
Horst Krenz
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
Publication of EP1055882A2 publication Critical patent/EP1055882A2/en
Publication of EP1055882A3 publication Critical patent/EP1055882A3/en
Application granted granted Critical
Publication of EP1055882B1 publication Critical patent/EP1055882B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/023—Mounting of doors, e.g. hinges, counterbalancing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
    • E05F1/1269—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a traction spring
    • E05F1/1276—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a traction spring for counterbalancing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/02—Hinges with pins with one pin
    • E05D3/022—Hinges with pins with one pin allowing an additional lateral movement, e.g. for sealing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/308—Application of doors, windows, wings or fittings thereof for domestic appliances for ovens

Definitions

  • the invention relates to a domestic appliance hinge device according to the preamble of Claim 1.
  • Household appliances of this type in which the door has one at its lower end Hinge axis from an upright closed position to a substantially horizontal Open position is pivotable, in particular ovens with a baking muffle, can also use microwave ovens, dishwashers, laundry machines such as washing machines or tumble dryers.
  • a domestic appliance hinge device of this type is from the patent application DE 41 08 816 A1 known. It shows a hinge device for an electrical household appliance.
  • the hinge consists of a base part that can be attached to an appliance door which a plug-in part that can be coupled to the housing of the household appliance against the force a spring is pivotally mounted about a hinge axis.
  • a connecting rod is included Distance to the hinge axis can be pivoted on the plug-in part and longitudinally displaceable on the base part stored.
  • Either a compression spring or a tension spring is arranged on the connecting rod and clamped between the connecting rod and the base part.
  • an approximately 10 ° up to 30 ° open door position can be a pivoted locking lever on the plug be pivoted up from a rest position into a locked position, in which he absorbs the base part and the force of the spring.
  • the plug part is opposite the base part and the connecting rod locked so that the entire door with both Hinges and the plug-in part detached from the device housing and removed from it can be.
  • Patent application DE-A-28 30 976 shows a similar hinge device in which instead of the manually operated locking lever, a manually operated locking slide or a manually operated turntable to lock the door in one approximately horizontal full open position or in only approximately between 10 ° and 30 ° partially open position can be locked.
  • the patent DE 41 05 274 C2 shows a household appliance hinge device with one or two springs, one spring being a torsion spring.
  • the object of the invention is to avoid that the door automatically strikes when the door weight is reduced in the door open position, for example by Remove a glass panel from a door window to clean it.
  • Such a hinge device is preferably arranged on each side of the door.
  • the invention relates to a household appliance hinge device containing one Housing part which can be fastened to a device housing or a part thereof; one Door part that can be fastened to a door or a part thereof and by a hinge axis on the housing part between an upright door closed position and a transverse one Door open position is pivotally mounted; a connecting rod through a Connecting rod rotation axis rotatably mounted on the housing part and at a distance from the connecting rod rotation axis is slidably guided on the door part in the height direction; where the connecting rod axis of rotation is arranged axially parallel with a radial distance eccentrically to the hinge axis; a Spring, which has a spring force at least pushing the door part in the door closing direction generated in or near the transverse door open position; characterized, that the connecting rod and the door part at mutually facing places, which are move towards each other by the eccentric arrangement of the two axes, when the door part is moved in the door opening direction and towards each other move away when the door part is
  • the invention can be characterized as an alternative or in any combination be that the two locking surfaces have detent sections, which in cross-directional door open position in the manner of a latch are engaged with each other; that the locking surface provided on the connecting rod on a resilient element is formed, which is resilient in the connecting rod transverse movement direction is; that the locking surfaces in the circumferential direction about the hinge axis and the connecting rod axis of rotation demonstrate; that the at least one catch section of the door part at least is partially formed by an edge of this door part; that in the door part a cutout like this is formed in that the detent portion of the locking surface of the piston rod only in cross-directional door open position engages; that the locking surfaces are formed in such a way are that they are not only in the transverse door open position, but also in one predetermined, directly following preceding smaller door opening angle range, contact each other and create a braking effect; that the connecting rod axis of rotation is arranged higher than the hinge axis of rotation; that the connecting rod axis of rotation is arranged vertical
  • the drawings show an oven muffle 2 in a housing 4.
  • a door 6 is on her lower end on both sides by a hinge device on the housing 4 separably attached.
  • Each hinge device has a housing part 8 in the form of a housing 4 pluggable sheet metal bracket.
  • the housing part 8 is with a horizontal leg 9, which protrudes through a housing slot 10, between an upstanding housing edge 12 and a transverse projection 14 hooked.
  • a leg protruding downwards 16 of the housing part 8 is a door part 20 by a hinge axis 18 and by a radially eccentrically upward, parallel to it, preferably vertically arranged above, connecting rod axis of rotation 22 a connecting rod 24 each pivotally mounted.
  • the connecting rod 24 can be a flat piece of sheet metal.
  • the door part 20 can be part of a trough-shaped door leaf 23 or, according to the drawings, attached to such (welded on).
  • the connecting rod 24 is at its end remote from the connecting rod axis of rotation 22 by one Guide pin 26 parallel to the connecting rod axis of rotation 22 in a guide slot 28 guided parallel to the door level in the door height direction.
  • the guide slot 28 is in the door part 20 is formed and extends parallel to the door plane in the door height direction (direction in the "height" when the door 6 is in the vertical closed position according to FIG. 3).
  • the door height direction is approximately the longitudinal direction in which the connecting rod 24 extends.
  • the door height direction is one direction perpendicular to a theoretical connecting line between the hinge axis 18 and the connecting rod axis of rotation 22.
  • a coil spring 30 is a tension spring and is at one end of the Connecting rod axis of rotation 22 distal end 31 of the connecting rod 24, and with its other end 32 attached to the door part 20 at a fastening section 34, preferably hung.
  • This fastening section 34 of the door part 20 has a in the door height direction greater distance from the connecting rod axis of rotation 22 than the one fixed to the connecting rod Spring end.
  • One end of the coil spring 30 can form the guide pin 26.
  • the two axes 18 and 22 are spaced one above the other and thus eccentrically are arranged, has the distal connecting rod end facing away from the connecting rod rotation axis 22 31 from the hinge axis 18 in the vertical door closed position according to FIG. 3 a greatest distance and in an approximately horizontal door open position according to FIG. 1 smallest distance.
  • the coil spring 30 in the in Fig.1 shown approximately horizontal open position (open end position) of the door greatest pulling force pushing the door in the closing direction, and in the door closed position of Fig. 3 the smallest tensile force.
  • the coil spring 30 is preferably preloaded clamped so that the spring force is not zero even in the closed position of the door.
  • the door part 20 is a piece of sheet metal with a receiving the two axes 18 and 22, extending leg 36 in the door opening direction and one at right angles thereto arranged leg 38, which extends parallel to the door plane and on the side 40 of the connecting rod axis of rotation 22 facing away from the hinge axis 18 and thus on the inside of the door 40 is located.
  • the distance of the connecting rod 24 from that in the door closing direction opposite door part leg 38 is in the region of the guide pin 26 always constant, regardless of the opening angle of the door, but changes this distance in the area between the guide pin 26 and the connecting rod axis of rotation 22 depending on changes in the opening angle of the door and thus in dependence from the angular position of the door part 20 relative to the housing part 8 the changes in distance between the door leg 38 and the connecting rod 24 in Direction from the guide pin 26 to the connecting rod axis of rotation 22 increasingly stronger.
  • a locking body which is resilient in the door movement direction 42 fastened, which has a locking surface 44 pointing in the door closing direction having.
  • the locking surface 44 touches a locking surface 46 which is also formed Section of the inside door part leg 38 in the door closing position (vertical position) of Figure 3, but comes because of the relative movements described above between the connecting rod 24 and the door inner leg 38 from a predetermined Opening angle, for example 80 °, with its locking surface 46 in Frictional contact and thus exerts a braking effect on the door if it continues into one approximately horizontal, transverse opening position is moved, which in Fig. 1 is shown.
  • the braking effect is increased with increasing door opening angle.
  • the braking effect is said to be in the fully open position of the door shown in FIG. 1 be great that the spring force of the spring 30, the door 6 even then not in the closed position can move back independently if a glass plate serving as a sight glass is removed from the door 48, for example for cleaning purposes.
  • the Braking effect should only be so great that the door manually against the braking force in the closing direction can be moved back again.
  • a cutout 50 in which a nose-like or notch-like Projection 52 of the locking surface 44 of the locking body 42 only in the transverse direction
  • the open position of the door 6, which is shown in FIG 54 attacks and there an abruptly higher braking effect against movement the door is generated in the closing direction.
  • a cut edge 54 can a corresponding locking surface on the inside door part leg 38 by a formed in it paragraph or lead.
  • the cut-out edge 54 points in the direction of the axes 18 and 22.
  • An opposite, Cut-out edge 56 pointing upward in the door height direction or a corresponding one Heel area of the door part 20 is preferably so close to the one cut edge 54 arranged that the detent-like projection 52 when engaged in the cutout 50 abuts on both edges 54 and 56 and thereby a braking effect in both Door swivel directions generated.
  • the glass plate 48 can instead of on the outside of the door be arranged on the inside of the door, as is also shown in FIG. 1 by the reference number 48 'is indicated.
  • the glass plate 48 ' can cover the cutout 50 and thereby the detent-like projection 52 of the locking body 42 into the cutout Push back 50.
  • the braking effect or locking effect by the attached glass plate 48 'reduced Only when the glass plate 48 'removed from the door 6 If, for example, to clean it, the locking body 42 engages deeper in the cutout 50 and thereby increases the braking effect in the horizontal door position of Fig. 1.
  • the locking surface 44 of the locking body 42 be designed such that they are only in the open end position of the door 2, which in Fig. 1 is shown transverse opening position, the inside door part leg Contact 38 and apply a braking or locking action by snapping an edge or the like of this door leg can produce, which by the spring force cannot be overcome, but only by an additional force of an operator.
  • the coil spring 30 can be a compression spring, as is known from DE 41 08 816 A1 is. So that in this case too, the door 6 is pushed by the spring force in the closing direction the connecting rod 24, as is known from the prior art, extend through the coil spring that is distant from the connecting rod axis of rotation 22 The spring end can be supported on the connecting rod 24 and that of the connecting rod axis of rotation 22 closer spring end can be supported on a projection of the door part 20.
  • the locking surfaces 44 and 46 are preferably designed in the manner of braking surfaces.
  • the locking body 42 can be a resiliently flexible spring or a resilient compressible body. It provides an elastic, within the door dimensions accommodatable functional block, which holds the door securely in its guaranteed maximum open position. This means that when the door weight is reduced, e.g. B. when removing their glass plate, slamming the door prevented.
  • the maximum Door opening angle ⁇ 1 in the transverse door open position of FIG. 1 is, for example 88 °.
  • the braking effect given by the invention preferably begins at an opening angle ⁇ 2 of approximately 75 °, as shown in FIG. 2.
  • the invention consists of a combined braking and locking system, whereby also in the in Fig. 1 locking position shown the locking or locking by a manual closing force can be solved on the door.
  • the maximum door opening angle ⁇ 1 is defined by stops 60 and 62, of which e.g. B. one 60 is formed by the housing part 8 and the other 62 by the door part 20 is.

Abstract

Due to their excentric axes (18 and 22) the connecting rod (24) and door part (20) move towards each other when the door par opened and vice versa in the closing operation. The respective arrester faces (44,46) facing each other engage when the door ope to produce a force of adhesion opposed to the force of the spring (30) so the door has to be closed into the upright position by hand. The arrester faces (44,46) have latching sectors engaging in pawl fashion when the door is opened crossways. The arrester (42) of the connecting rod (24) is on a resilient element (42) designed to yield in the transverse door opening movement. The do part (20) has a latching sector (50) engaged by the face of the rod latching sector in the open setting only.

Description

Die Erfindung betrifft eine Hausgerät-Scharniervorrichtung gemäß dem Oberbegriff von Anspruch 1.The invention relates to a domestic appliance hinge device according to the preamble of Claim 1.

Bei Hausgeräten befindet sich an beiden seitlichen Enden einer Tür je eine Scharniervorrichtung. Hausgeräte dieser Art, bei welchen die Tür um eine an ihrem unteren Ende gelegene Scharnierachse von einer aufrechten Schließstellung in eine im wesentlichen horizontale Offenstellung schwenkbar ist, sind insbesondere Backöfen mit einer Backmuffel, können jedoch auch Mikrowellenherde, Geschirrspülmaschinen, Wäschebehandlungsmaschinen wie beispielsweise Waschmaschinen oder Wäschetrockner sein.In household appliances there is a hinge device on both side ends of a door. Household appliances of this type, in which the door has one at its lower end Hinge axis from an upright closed position to a substantially horizontal Open position is pivotable, in particular ovens with a baking muffle, can also use microwave ovens, dishwashers, laundry machines such as washing machines or tumble dryers.

Eine Hausgerät-Scharniervorrichtung dieser Art ist aus der Patentanmeldung DE 41 08 816 A1 bekannt. Sie zeigt eine Scharniervorrichtung für ein elektrisches Hausgerät. Das Scharnier besteht aus einem an einer Gerätetür befestigbaren Basisteil, an welchem ein mit dem Gehäuse des Hausgerätes kuppelbarer Steckteil entgegen der Kraft einer Feder um eine Scharnierachse schwenkbar gelagert ist. Eine Pleuelstange ist mit Abstand zur Scharnierachse schwenkbar am Steckteil und längs verschiebbar am Basisteil gelagert. Auf der Pleuelstange ist entweder eine Druckfeder oder eine Zugfeder angeordnet und zwischen der Pleuelstange und dem Basisteil verspannt. In einer etwa 10° bis 30° geöffneten Türstellung kann ein am Steckteil schwenkbar gelagerter Sperrhebel aus einer Ruhestellung heraus in eine Sperrstellung hochgeschwenkt werden, in welcher er das Basisteil und die Kraft der Feder aufnimmt. In dieser Stellung ist der Steckteil gegenüber dem Basisteil und der Pleuelstange arretiert, so daß die gesamte Tür mit beiden Scharnieren und dem Steckteil aus dem Gerätegehäuse ausgehängt und von diesem abgenommen werden kann. A domestic appliance hinge device of this type is from the patent application DE 41 08 816 A1 known. It shows a hinge device for an electrical household appliance. The hinge consists of a base part that can be attached to an appliance door which a plug-in part that can be coupled to the housing of the household appliance against the force a spring is pivotally mounted about a hinge axis. A connecting rod is included Distance to the hinge axis can be pivoted on the plug-in part and longitudinally displaceable on the base part stored. Either a compression spring or a tension spring is arranged on the connecting rod and clamped between the connecting rod and the base part. In an approximately 10 ° up to 30 ° open door position can be a pivoted locking lever on the plug be pivoted up from a rest position into a locked position, in which he absorbs the base part and the force of the spring. In this position the plug part is opposite the base part and the connecting rod locked so that the entire door with both Hinges and the plug-in part detached from the device housing and removed from it can be.

Die Patentanmeldung DE-A-28 30 976 zeigt eine ähnliche Scharniervorrichtung, bei welcher anstelle des manuell betätigbaren Sperrhebels ein manuell betätigbarer Sperrschieber oder eine manuell betätigbare Drehscheibe zur Arretierung der Tür wahlweise in einer ungefähr horizontalen vollständigen Offenstellung oder in einer nur ungefähr zwischen 10° und 30° teilweise geöffneten Offenstellung arretierbar ist.Patent application DE-A-28 30 976 shows a similar hinge device in which instead of the manually operated locking lever, a manually operated locking slide or a manually operated turntable to lock the door in one approximately horizontal full open position or in only approximately between 10 ° and 30 ° partially open position can be locked.

Die Patentschrift DE 41 05 274 C2 zeigt eine Hausgerät-Scharniervorrichtung mit einer oder zwei Federn, wobei eine Feder eine Torsionsfeder ist.The patent DE 41 05 274 C2 shows a household appliance hinge device with one or two springs, one spring being a torsion spring.

Details der bekannten Scharniervorrichtungen können auch bei der Scharniervorrichtung nach vorliegender Erfindung verwendet werden.Details of the known hinge devices can also be found in the hinge device can be used according to the present invention.

Durch die Erfindung soll die Aufgabe gelöst werden, zu vermeiden, daß die Tür selbsttätig zuschlägt, wenn das Türgewicht in Tür-Offenstellung reduziert wird, beispielsweise durch Entfernen einer Glasplatte eines Türfensters, um sie zu reinigen.The object of the invention is to avoid that the door automatically strikes when the door weight is reduced in the door open position, for example by Remove a glass panel from a door window to clean it.

Diese Aufgabe wird gemäß der Erfindung durch die kennzeichnenden Merkmale von Anspruch 1 gelöst.This object is achieved according to the invention by the characterizing features of claim 1 solved.

Vorzugsweise ist auf jeder Türseite je eine solche Scharniervorrichtung angeordnet.Such a hinge device is preferably arranged on each side of the door.

Demgemäß betrifft die Erfindung eine Hausgerät-Scharniervorrichtung, enthaltend einen Gehäuseteil, der an einem Gerätegehäuse befestigbar oder ein Teil davon ist; einen Türteil, der an einer Tür befestigbar oder ein Teil davon ist und durch eine Scharnierachse an dem Gehäuseteil zwischen einer aufrechten Tür-Schließstellung und einer quergerichteten Tür-Offenstellung schwenkbar gelagert ist; eine Pleuelstange, die durch eine Pleueldrehachse am Gehäuseteil drehbar gelagert und im Abstand von der Pleueldrehachse in Tür-Höhenrichtung am Türteil verschiebbar geführt ist; wobei die Pleueldrehachse achsparallel mit radialem Abstand exzentrisch zur Scharnierachse angeordnet ist; eine Feder, welche eine den Türteil in Tür-Schließrichtung drängende Federkraft mindestens in oder nahe bei der quergerichteten Tür-Offenstellung erzeugt; dadurch gekennzeichnet, daß die Pleuelstange und der Türteil an einander zugewandten Stellen, welche sich durch die exzentrische Anordnung der beiden Achsen in Richtung gegeneinander bewegen, wenn der Türteil in Tür-Öffnungsrichtung bewegt wird, und sich in Richtung voneinander wegbewegen, wenn der Türteil in Tür-Schließrichtung bewegt wird, je mit mindestens einer Arretierfläche versehen sind, welche einander zugewandt sind und in der quergerichteten Tür-Offenstellung des Türteils miteinander in Eingriff sind und dabei zwischen sich eine Haftreibungskraft erzeugen, welche der Federkraft der Feder entgegenwirkt, ohne von dieser überwindbar zu sein, jedoch durch eine manuelle Kraft auf die Tür in Tür-Schließrichtung überwindbar ist.Accordingly, the invention relates to a household appliance hinge device containing one Housing part which can be fastened to a device housing or a part thereof; one Door part that can be fastened to a door or a part thereof and by a hinge axis on the housing part between an upright door closed position and a transverse one Door open position is pivotally mounted; a connecting rod through a Connecting rod rotation axis rotatably mounted on the housing part and at a distance from the connecting rod rotation axis is slidably guided on the door part in the height direction; where the connecting rod axis of rotation is arranged axially parallel with a radial distance eccentrically to the hinge axis; a Spring, which has a spring force at least pushing the door part in the door closing direction generated in or near the transverse door open position; characterized, that the connecting rod and the door part at mutually facing places, which are move towards each other by the eccentric arrangement of the two axes, when the door part is moved in the door opening direction and towards each other move away when the door part is moved in the door closing direction, each with at least a locking surface are provided, which face each other and in the transverse Door open position of the door part are engaged with each other and between generate a static friction force that counteracts the spring force of the spring, without being overcome by it, but by manual force on the door in the door closing direction can be overcome.

Weitere Merkmale sind in den Unteransprüchen enthalten.Further features are contained in the subclaims.

Demgemäß kann die Erfindung alternativ oder in beliebiger Kombination dadurch gekennzeichnet sein, daß die beiden Arretierflächen Rastenabschnitte aufweisen, welche in quergerichteter Tür-Offenstellung nach Art einer Klinke miteinander in Eingriff sind; daß die an der Pleuelstange vorgesehene Arretierfläche an einem federelastischen Element gebildet ist, welches in Pleuelstangen-Querbewegungsrichtung federelastisch nachgiebig ist; daß die Arretierflächen in Umfangsrichtung um die Scharnierachse und die Pleueldrehachse zeigen; daß der mindestens eine Rastenabschnitt des Türteils mindestens teilweise durch eine Kante dieses Türteils gebildet ist; daß im Türteil ein Ausschnitt derart gebildet ist, daß in ihn der Rastenabschnitt der Arretierfläche der Kolbenstange nur in quergerichteter Tür-Offenstellung einrastet; daß die Arretierflächen derart ausgebildet sind, daß sie nicht nur in der quergerichteten Tür-Offenstellung, sondern auch in einem vorbestimmten, sich direkt anschließenden vorangehenden kleineren Tür-Öffnungswinkelbereich, einander kontaktieren und dabei eine Bremswirkung erzeugen; daß die Pleueldrehachse höher angeordnet ist als die Scharnierdrehachse; daß die Pleueldrehachse vertikal über der Scharnierdrehachse angeordnet ist; daß das von der Pleueldrehachse entfernte Pleuelstangenende in einer Richtung verschiebbar geführt ist, die rechtwinkelig zu einer theoretischen Verbindungslinie zwischen den beiden Achsen verläuft.Accordingly, the invention can be characterized as an alternative or in any combination be that the two locking surfaces have detent sections, which in cross-directional door open position in the manner of a latch are engaged with each other; that the locking surface provided on the connecting rod on a resilient element is formed, which is resilient in the connecting rod transverse movement direction is; that the locking surfaces in the circumferential direction about the hinge axis and the connecting rod axis of rotation demonstrate; that the at least one catch section of the door part at least is partially formed by an edge of this door part; that in the door part a cutout like this is formed in that the detent portion of the locking surface of the piston rod only in cross-directional door open position engages; that the locking surfaces are formed in such a way are that they are not only in the transverse door open position, but also in one predetermined, directly following preceding smaller door opening angle range, contact each other and create a braking effect; that the connecting rod axis of rotation is arranged higher than the hinge axis of rotation; that the connecting rod axis of rotation is arranged vertically above the hinge axis of rotation; that that from the connecting rod axis of rotation removed connecting rod end is guided in a direction that runs at right angles to a theoretical connecting line between the two axes.

Die Erfindung wird im folgenden mit Bezug auf die Zeichnungen anhand einer bevorzugten Ausführungsform als Beispiel beschrieben. In den Zeichnungen zeigen

Fig. 1
schematisch eine Seitenansicht, teilweise im Querschnitt gesehen, einer Hausgerät-Scharniervorrichtung nach der Erfindung bei ungefähr horizontal quergerichteter vollständiger Offenstellung einer Tür einer Backofenmuffel,
Fig. 2
die Scharniervorrichtung von Fig.1 bei teilweise geöffneter, schräg stehender Tür, und
Fig. 3
die Scharniervorrichtung von Fig.1 in Tür-Schließstellung.
The invention is described below with reference to the drawings using a preferred embodiment as an example. Show in the drawings
Fig. 1
schematically shows a side view, partially seen in cross section, of a domestic appliance hinge device according to the invention with an approximately horizontally transverse fully open position of a door of an oven muffle,
Fig. 2
the hinge device of Figure 1 with a partially open, sloping door, and
Fig. 3
the hinge device of Fig.1 in the door closed position.

Die Zeichnungen zeigen eine Backofenmuffel 2 in einem Gehäuse 4. Eine Tür 6 ist an ihrem unteren Ende auf beiden Seiten je durch eine Scharniervorrichtung an dem Gehäuse 4 trennbar befestigt.The drawings show an oven muffle 2 in a housing 4. A door 6 is on her lower end on both sides by a hinge device on the housing 4 separably attached.

Jede Scharniervorrichtung hat einen Gehäuseteil 8 in Form eines in das Gehäuse 4 steckbaren Blechbügels. Der Gehäuseteil 8 ist mit einem horizontalen Schenkel 9, welcher durch einen Gehäuseschlitz 10 ragt, zwischen einen nach oben ragenden Gehäuserand 12 und einen Quervorsprung 14 eingehängt. In einem nach unten ragenden Schenkel 16 des Gehäuseteils 8 ist durch eine Scharnierachse 18 ein Türteil 20 und durch eine radial exzentrisch nach oben versetzt dazu parallel angeordnete, vorzugsweise vertikal darüber angeordnete, Pleueldrehachse 22 eine Pleuelstange 24 je schwenkbar gelagert. Die Pleuelstange 24 kann ein flaches Blechstück sein. Der Türteil 20 kann ein Teil eines wannenförmigen Türblattes 23 oder, gemäß den Zeichnungen, an einem solchen befestigt (angeschweißt) sein.Each hinge device has a housing part 8 in the form of a housing 4 pluggable sheet metal bracket. The housing part 8 is with a horizontal leg 9, which protrudes through a housing slot 10, between an upstanding housing edge 12 and a transverse projection 14 hooked. In a leg protruding downwards 16 of the housing part 8 is a door part 20 by a hinge axis 18 and by a radially eccentrically upward, parallel to it, preferably vertically arranged above, connecting rod axis of rotation 22 a connecting rod 24 each pivotally mounted. The connecting rod 24 can be a flat piece of sheet metal. The door part 20 can be part of a trough-shaped door leaf 23 or, according to the drawings, attached to such (welded on).

Die Pleuelstange 24 ist an ihrem von der Pleueldrehachse 22 entfernten Ende durch einen zur Pleueldrehachse 22 parallelen Führungszapfen 26 in einem Führungsschlitz 28 parallel zur Türebene in Tür-Höhenrichtung geführt. Der Führungsschlitz 28 ist im Türteil 20 gebildet und erstreckt sich parallel zur Türebene in der Tür-Höhenrichtung (Richtung in der "Höhe" dann, wenn die Tür 6 in vertikaler Schließstellung gemäß Fig.3 ist). Die Tür-Höhenrichtung ist ungefähr die Längsrichtung, in welcher sich die Pleuelstange 24 erstreckt. Bei der dargestellten Ausführungsform ist die Tür-Höhenrichtung eine Richtung senkrecht zu einer theoretischen Verbindungslinie zwischen der Scharnierachse 18 und der Pleueldrehachse 22.The connecting rod 24 is at its end remote from the connecting rod axis of rotation 22 by one Guide pin 26 parallel to the connecting rod axis of rotation 22 in a guide slot 28 guided parallel to the door level in the door height direction. The guide slot 28 is in the door part 20 is formed and extends parallel to the door plane in the door height direction (direction in the "height" when the door 6 is in the vertical closed position according to FIG. 3). The door height direction is approximately the longitudinal direction in which the connecting rod 24 extends. In the illustrated embodiment, the door height direction is one direction perpendicular to a theoretical connecting line between the hinge axis 18 and the connecting rod axis of rotation 22.

Eine Schraubenfeder 30 ist eine Zugfeder und ist mit ihrem einen Ende an dem von der Pleueldrehachse 22 entfernten Ende 31 der Pleuelstange 24, und mit ihrem anderen Ende 32 an dem Türteil 20 an einem Befestigungsabschnitt 34 befestigt, vorzugsweise eingehängt. Dieser Befestigungsabschnitt 34 des Türteils 20 hat in Tür-Höhenrichtung einen größeren Abstand von der Pleueldrehachse 22 als das an der Pleuelstange fixierte eine Federende. Das eine Ende der Schraubenfeder 30 kann den Führungszapfen 26 bilden. A coil spring 30 is a tension spring and is at one end of the Connecting rod axis of rotation 22 distal end 31 of the connecting rod 24, and with its other end 32 attached to the door part 20 at a fastening section 34, preferably hung. This fastening section 34 of the door part 20 has a in the door height direction greater distance from the connecting rod axis of rotation 22 than the one fixed to the connecting rod Spring end. One end of the coil spring 30 can form the guide pin 26.

Dadurch, daß die beiden Achsen 18 und 22 mit Abstand übereinander und damit exzentrisch angeordnet sind, hat das von der Pleueldrehachse 22 abgewandte distale Pleuelstangenende 31 von der Scharnierachse 18 in vertikaler Tür-Schließstellung gemäß Fig. 3 einen größten Abstand und in ungefähr horizontaler Tür-Offenstellung gemäß Fig. 1 einen kleinsten Abstand. Umgekehrt haben das distale Pleuelstangenende 31 und damit auch der Führungszapfen 26 mit dem einen Federende in der in Fig.3 gezeigten Tür-Schließstellung einen kleinsten, mit zunehmender größerer Tür-Offenstellung einen zunehmend größeren, und in der in Fig. 1 gezeigten ungefähr horizontalen Stellung der Tür einen größten Abstand von dem Befestigungsabschnitt 34 des Türteils 20, an welchem das andere Federende 32 befestigt ist. Dadurch erzeugt die Schraubenfeder 30 in der in Fig.1 gezeigten, ungefähr horizontalen Offenstellung (Öffnungs-Endstellung) der Tür eine größte, die Tür in Schließrichtung drängende Zugkraft, und in Tür-Schließstellung von Fig. 3 die kleinste Zugkraft. Die Schraubenfeder 30 ist vorzugsweise mit Vorspannung eingespannt, so daß auch in Schließstellung der Tür die Federkraft nicht Null ist.Because the two axes 18 and 22 are spaced one above the other and thus eccentrically are arranged, has the distal connecting rod end facing away from the connecting rod rotation axis 22 31 from the hinge axis 18 in the vertical door closed position according to FIG. 3 a greatest distance and in an approximately horizontal door open position according to FIG. 1 smallest distance. Conversely, the distal connecting rod end 31 and thus also the guide pin 26 with the one spring end in the door-closed position shown in FIG a smallest one, with an increasing larger door open position an increasing one larger, and in the approximately horizontal position of the door shown in Fig. 1 a greatest distance from the fastening section 34 of the door part 20, at which the other spring end 32 is attached. As a result, the coil spring 30 in the in Fig.1 shown, approximately horizontal open position (open end position) of the door greatest pulling force pushing the door in the closing direction, and in the door closed position of Fig. 3 the smallest tensile force. The coil spring 30 is preferably preloaded clamped so that the spring force is not zero even in the closed position of the door.

Der Türteil 20 ist ein Blechstück mit einem die beiden Achsen 18 und 22 aufnehmenden, sich in Tür-Öffnungsrichtung erstreckenden Schenkel 36 und einem rechtwinkelig dazu angeordneten Schenkel 38, welcher sich parallel zur Türebene erstreckt und sich auf der von der Scharnierachse 18 abgewandten Seite 40 der Pleueldrehachse 22 und somit auf deren Türinnenseite 40 befindet. Der Abstand der Pleuelstange 24 von dem ihr in Türschließrichtung gegenüberliegenden Türteilschenkel 38 ist im Bereich des Führungszapfens 26 unabhängig von dem Offenstellungswinkel der Tür immer konstant, jedoch ändert sich dieser Abstand im Bereich zwischen dem Führungszapfen 26 und der Pleueldrehachse 22 in Abhängigkeit von Änderungen des Öffnungswinkels der Tür und damit in Abhängigkeit von der Winkelposition des Türteils 20 relativ zum Gehäuseteil 8. Hierbei sind die Abstandsänderungen zwischen dem Türteilschenkel 38 und der Pleuelstange 24 in Richtung vom Führungazapfen 26 zur Pleueldrehachse 22 hin zunehmend stärker.The door part 20 is a piece of sheet metal with a receiving the two axes 18 and 22, extending leg 36 in the door opening direction and one at right angles thereto arranged leg 38, which extends parallel to the door plane and on the side 40 of the connecting rod axis of rotation 22 facing away from the hinge axis 18 and thus on the inside of the door 40 is located. The distance of the connecting rod 24 from that in the door closing direction opposite door part leg 38 is in the region of the guide pin 26 always constant, regardless of the opening angle of the door, but changes this distance in the area between the guide pin 26 and the connecting rod axis of rotation 22 depending on changes in the opening angle of the door and thus in dependence from the angular position of the door part 20 relative to the housing part 8 the changes in distance between the door leg 38 and the connecting rod 24 in Direction from the guide pin 26 to the connecting rod axis of rotation 22 increasingly stronger.

An der Pleuelstange 24 ist ein in Türbewegungsrichtung federelastisch nachgiebiger Arretierkörper 42 befestigt, welcher eine in Türschließrichtung zeigende Arretierfläche 44 aufweist. Die Arretierfläche 44 berührt einen ebenfalls als Arretierfläche 46 ausgebildeten Abschnitt des tür-innenseitigen Türteilschenkels 38 in Türschließstellung (Vertikalstellung) von Fig.3 nicht, kommt jedoch wegen der vorstehend beschriebenen Relativbewegungen zwischen der Pleuelstange 24 und dem türinnenseitigen Türteilschenkel 38 ab einem vorbestimmten Öffnungswinkel, von beispielsweise 80°, mit dessen Arretierfläche 46 in Reibkontakt und übt dadurch auf die Tür eine Bremswirkung aus, wenn diese weiter in eine annähernd horizontale, quergerichtete Öffnungsstellung weiterbewegt wird, welche in Fig. 1 gezeigt ist. Da die Arretierfläche 46 des türinnenseitigen Türteilschenkels 38 mit zunehmendem Türöffnungswinkel stärker gegen die Arretierfläche 46 des Arretierkörpers 42 drückt, wird mit zunehmendem Türöffnungswinkel auch die Bremswirkung verstärkt. Die Bremswirkung soll in der in Fig. 1 gezeigten vollständigen Offenstellung der Tür so groß sein, daß die Federkraft der Feder 30 die Tür 6 auch dann nicht in Schließstellung selbständig zurückbewegen kann, wenn von der Tür eine als Schauglas dienende Glasplatte 48, beispielsweise zu Reinigungszwecken, entfernt wird. Andererseits darf die Bremswirkung nur so groß sein, daß die Tür manuell entgegen der Bremskraft in Schließrichtung wieder zurück bewegt werden kann.On the connecting rod 24 is a locking body which is resilient in the door movement direction 42 fastened, which has a locking surface 44 pointing in the door closing direction having. The locking surface 44 touches a locking surface 46 which is also formed Section of the inside door part leg 38 in the door closing position (vertical position) of Figure 3, but comes because of the relative movements described above between the connecting rod 24 and the door inner leg 38 from a predetermined Opening angle, for example 80 °, with its locking surface 46 in Frictional contact and thus exerts a braking effect on the door if it continues into one approximately horizontal, transverse opening position is moved, which in Fig. 1 is shown. Since the locking surface 46 of the door inner leg 38 increases with increasing Door opening angle stronger against the locking surface 46 of the locking body 42 presses, the braking effect is increased with increasing door opening angle. The braking effect is said to be in the fully open position of the door shown in FIG. 1 be great that the spring force of the spring 30, the door 6 even then not in the closed position can move back independently if a glass plate serving as a sight glass is removed from the door 48, for example for cleaning purposes. On the other hand, the Braking effect should only be so great that the door manually against the braking force in the closing direction can be moved back again.

Damit die Bremswirkung einerseits in der vollständigen Türoffenstellung von Fig.1 ausreichend groß ist, andererseits jedoch bei nur wenig kleinerem Öffnungswinkel nicht bereits unangenehm groß wird, ist gemäß bevorzugter Ausführungsform in dem türinnenseitigen Türteilschenkel 38 ein Ausschnitt 50 gebildet, in welchen ein nasenartiger oder rastenartiger Vorsprung 52 der Arretierfläche 44 des Arretierkörpers 42 nur in der quergerichteten Öffnungsstellung der Tür 6, welche Fig.1 zeigt, eingreifen kann und dabei an einer Ausschnittskante 54 angreift und dort eine sprunghaft höhere Bremswirkung gegen eine Bewegung der Tür in Schließrichtung erzeugt. Anstatt durch eine Ausschnittskante 54, kann eine entsprechende Arretierfläche an dem türinnenseitigen Türteilschenkel 38 durch einen in ihm gebildeten Absatz oder Vorsprung gebildet werden.So that the braking effect is sufficient on the one hand in the fully open position of Fig. 1 is large, but on the other hand not already with a slightly smaller opening angle is uncomfortably large, according to a preferred embodiment, in the inside of the door Door part leg 38 formed a cutout 50 in which a nose-like or notch-like Projection 52 of the locking surface 44 of the locking body 42 only in the transverse direction The open position of the door 6, which is shown in FIG 54 attacks and there an abruptly higher braking effect against movement the door is generated in the closing direction. Instead of a cut edge 54, can a corresponding locking surface on the inside door part leg 38 by a formed in it paragraph or lead.

Die Ausschnittkante 54 zeigt in Richtung zu den Achsen 18 und 22 hin. Eine entgegengesetzt, in Tür-Höhenrichtung nach oben zeigende Ausschnittskante 56 oder eine ihr entsprechende Absatzfläche des Türteils 20 ist vorzugsweise so nahe bei der einen Ausschnittkante 54 angeordnet, daß der rastenartige Vorsprung 52 beim Eingriff in den Ausschnitt 50 an beiden Kanten 54 und 56 anliegt und dadurch eine Bremswirkung in beiden Tür-Schwenkrichtungen erzeugt.The cut-out edge 54 points in the direction of the axes 18 and 22. An opposite, Cut-out edge 56 pointing upward in the door height direction or a corresponding one Heel area of the door part 20 is preferably so close to the one cut edge 54 arranged that the detent-like projection 52 when engaged in the cutout 50 abuts on both edges 54 and 56 and thereby a braking effect in both Door swivel directions generated.

Gemäß einer anderen Ausführungsform kann die Glasplatte 48 statt auf der Türaußenseite auf der Türinnenseite angeordnet sein, wie dies ebenfalls in Fig.1 durch die Bezugszahl 48' angedeutet ist. In diesem Falle kann die Glasplatte 48' den Ausschnitt 50 überdecken und dadurch den rastenartigen Vorsprung 52 des Arretierkörpers 42 in den Ausschnitt 50 zurückdrängen. Dadurch wird die Bremswirkung oder Arretierwirkung durch die befestigte Glasplatte 48' reduziert. Erst wenn die Glasplatte 48' von der Tür 6 entfernt wird, beispielsweise um sie zu reinigen, greift der Arretierkörper 42 tiefer in den Ausschnitt 50 ein und verstärkt dadurch die Bremswirkung in der horizontalen Türlage von Fig. 1.According to another embodiment, the glass plate 48 can instead of on the outside of the door be arranged on the inside of the door, as is also shown in FIG. 1 by the reference number 48 'is indicated. In this case, the glass plate 48 'can cover the cutout 50 and thereby the detent-like projection 52 of the locking body 42 into the cutout Push back 50. As a result, the braking effect or locking effect by the attached glass plate 48 'reduced. Only when the glass plate 48 'removed from the door 6 If, for example, to clean it, the locking body 42 engages deeper in the cutout 50 and thereby increases the braking effect in the horizontal door position of Fig. 1.

Gemäß einer anderen Ausführungsform kann die Arretierfläche 44 des Arretierkörpers 42 derart ausgebildet sein, daß sie nur in der Öffnungs-Endstellung der Tür 2, welche die in Fig. 1 gezeigte quergerichtete Öffnungsstellung ist, den türinnenseitigen Türteilschenkel 38 kontaktieren und dabei eine Bremswirkung oder eine Sperrwirkung durch Einrasten an einer Kante oder dergleichen dieses Türschenkeis erzeugen kann, welche von der Federkraft nicht überwindbar ist, sondern nur durch eine zusätzliche Kraft einer Bedienperson.According to another embodiment, the locking surface 44 of the locking body 42 be designed such that they are only in the open end position of the door 2, which in Fig. 1 is shown transverse opening position, the inside door part leg Contact 38 and apply a braking or locking action by snapping an edge or the like of this door leg can produce, which by the spring force cannot be overcome, but only by an additional force of an operator.

Die Schraubenfeder 30 kann eine Druckfeder sein, wie dies aus der DE 41 08 816 A1 bekannt ist. Damit auch in diesem Fall die Tür 6 von der Federkraft in Schließrichtung gedrängt wird, kann sich die Pleuelstange 24, wie aus dem Stand der Technik bekannt ist, durch die Schraubenfeder hindurch erstrecken, das von der Pleueldrehachse 22 entfernten Federende kann an der Pleuelstange 24 abgestützt sein und das der Pleueldrehachse 22 näher gelegene Federende kann an einem Vorsprung des Türteils 20 abgestützt sein.The coil spring 30 can be a compression spring, as is known from DE 41 08 816 A1 is. So that in this case too, the door 6 is pushed by the spring force in the closing direction the connecting rod 24, as is known from the prior art, extend through the coil spring that is distant from the connecting rod axis of rotation 22 The spring end can be supported on the connecting rod 24 and that of the connecting rod axis of rotation 22 closer spring end can be supported on a projection of the door part 20.

Die Arretierflächen 44 und 46 sind vorzugsweise nach Art von Bremsflächen ausgebildet.The locking surfaces 44 and 46 are preferably designed in the manner of braking surfaces.

Der Arretierkörper 42 kann eine federelastisch biegsame Feder sein oder ein federelastisch in sich kompressibler Körper. Er stellt einen elastischen, innerhalb der Türabmessungen unterbringbaren Funktionsblock dar, welcher ein sicheres Halten der Tür in ihrer maximalen Offenstellung gewährleistet. Dadurch wird bei Reduzierung des Türgewichtes, z. B. beim Wegnehmen ihrer Glasplatte, ein Zuschlagen der Tür verhindert. Der maximale Türöffnungswinkel α 1 in der querliegenden Tür-Offenstellung von Fig. 1 beträgt beispielsweise 88°. Die durch die Erfindung gegebene Bremswirkung beginnt vorzugsweise bei einem Öffnungswinkel α 2 von ungefähr 75°, wie dies in Fig. 2 gezeigt ist. Die Erfindung besteht aus einem kombinierten Brems- und Rastsystem, wobei auch in der in Fig. 1 gezeigten Raststellung die Verrastung oder Verriegelung durch eine manuelle Schließkraft auf die Tür gelöst werden kann.The locking body 42 can be a resiliently flexible spring or a resilient compressible body. It provides an elastic, within the door dimensions accommodatable functional block, which holds the door securely in its guaranteed maximum open position. This means that when the door weight is reduced, e.g. B. when removing their glass plate, slamming the door prevented. The maximum Door opening angle α 1 in the transverse door open position of FIG. 1 is, for example 88 °. The braking effect given by the invention preferably begins at an opening angle α 2 of approximately 75 °, as shown in FIG. 2. The invention consists of a combined braking and locking system, whereby also in the in Fig. 1 locking position shown the locking or locking by a manual closing force can be solved on the door.

Der maximale Tür-Öffnungswinkel α 1 ist durch Anschläge 60 und 62 definiert, von welchen z. B. einer 60 durch den Gehäuseteil 8 und der andere 62 durch den Türteil 20 gebildet ist.The maximum door opening angle α 1 is defined by stops 60 and 62, of which e.g. B. one 60 is formed by the housing part 8 and the other 62 by the door part 20 is.

Claims (10)

Hausgerät-Scharniervorrichtung, enthaltend einen Gehäuseteil (8), der an einem Gerätegehäuse befestigbar oder ein Teil davon ist; einen Türteil (20), der an einer Tür befestigbar oder ein Teil davon ist und durch eine Scharnierachse (18) an dem Gehäuseteil (8) zwischen einer aufrechten Tür-Schließstellung und einer quergerichteten Tür-Offenstellung schwenkbar gelagert ist; eine Pleuelstange (24), die durch eine Pleueldrehachse (22) am Gehäuseteil (8) drehbar gelagert und im Abstand von der Pleueldrehachse in Tür-Höhenrichtung am Türteil verschiebbar geführt ist; wobei die Pleueldrehachse (22) achsparallel mit radialem Abstand exzentrisch zur Scharnierachse (18) angeordnet ist; eine Feder (30), welche eine den Türteil (20) in Tür-Schließrichtung drängende Federkraft mindestens in oder nahe bei der quergerichteten Tür-Offenstellung erzeugt; dadurch gekennzeichnet, daß die Pleuelstange (24) und der Türteil (20) an einander zugewandten Stellen, welche sich durch die exzentrische Anordnung der beiden Achsen (18, 22) in Richtung gegeneinander bewegen, wenn der Türteil in Tür-Öffnungsrichtung bewegt wird, und sich in Richtung voneinander wegbewegen, wenn der Türteil in Tür-Schließrichtung bewegt wird, je mit mindestens einer Arretierfläche (44, 46) versehen sind, welche einander zugewandt sind und in der quergerichteten Tür-Offenstellung des Türteils (20) miteinander in Eingriff sind und dabei zwischen sich eine Haftreibungskraft erzeugen, welche der Federkraft der Feder (30) entgegenwirkt, ohne von dieser überwindbar zu sein, jedoch durch eine manuelle Kraft auf die Tür in Tür-Schließrichtung überwindbar ist.Household appliance hinge device, comprising a housing part (8) which can be fastened to a device housing or a part thereof; a door part (20) which can be fastened to or part of a door and is pivotably mounted on the housing part (8) by a hinge axis (18) between an upright door closed position and a transverse door open position; a connecting rod (24) which is rotatably supported on the housing part (8) by a connecting rod rotation axis (22) and is displaceably guided on the door part at a distance from the connecting rod rotation axis; the connecting rod axis of rotation (22) being arranged axially parallel with a radial distance eccentrically to the hinge axis (18); a spring (30) which generates a spring force pushing the door part (20) in the door closing direction at least in or close to the transverse door open position; characterized in that the connecting rod (24) and the door part (20) at mutually facing positions which move towards each other by the eccentric arrangement of the two axes (18, 22) when the door part is moved in the door opening direction, and move in the direction away from each other when the door part is moved in the door closing direction, are each provided with at least one locking surface (44, 46) which face one another and which are in engagement with one another in the transverse door open position of the door part (20) and generate a static friction force between them which counteracts the spring force of the spring (30) without being overcome by it, but which can be overcome by a manual force on the door in the door closing direction. Hausgerät-Scharniervorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die beiden Arretierflächen (44, 46) Rastenabschnitte (52, 54, 56) aufweisen, welche in quergerichteter Tür-Offenstellung nach Art einer Klinke miteinander in Eingriff sind.Domestic appliance hinge device according to claim 1, characterized in that the two locking surfaces (44, 46) have catch sections (52, 54, 56) which are in engagement with one another in the direction of the door opening in the manner of a latch. Hausgerät-Scharniervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die an der Pleuelstange (24) vorgesehene Arretierfläche (42) an einem federelastischen Element (42) gebildet ist, welches in Pleuelstangen-Querbewegungsrichtung federelastisch nachgiebig ist. Domestic appliance hinge device according to claim 1 or 2, characterized in that the locking surface (42) provided on the connecting rod (24) is formed on a spring-elastic element (42) which is resilient in the transverse direction of the connecting rod. Hausgerät-Scharniervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Arretierflächen (42, 44) in Umfangsrichtung um die Scharnierachse (18) und um die Pleueldrehachse (22) zeigen.Domestic appliance hinge device according to one of the preceding claims, characterized in that the locking surfaces (42, 44) point circumferentially about the hinge axis (18) and about the connecting rod rotation axis (22). Hausgerät-Scharniervorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß mindestens ein Rastenabschnitt (54, 56) des Türteils (20) durch eine Kante dieses Türteils gebildet ist.Domestic appliance hinge device according to one of claims 2 to 4, characterized in that at least one catch section (54, 56) of the door part (20) is formed by an edge of this door part. Hausgerät-Scharniervorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß im Türteil (20) ein Ausschnitt (50) derart gebildet ist, daß in ihn der Rastenabschnitt (52) der Arretierfläche der Kolbenstange (24) nur in quergerichteter Tür-Offenstellung einrastet.Domestic appliance hinge device according to claim 5, characterized in that a cutout (50) is formed in the door part (20) in such a way that the detent portion (52) of the locking surface of the piston rod (24) only engages in the transverse open door position. Hausgerät-Scharniervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Arretierflächen (44, 46) derart ausgebildet sind, daß sie nicht nur in der quergerichteten Tür-Offenstellung, sondern auch in einem vorbestimmten, sich direkt anschließenden vorangehenden kleineren Tür-Öffnungswinkel-bereich, einander kontaktieren und dabei eine Bremswirkung erzeugen.Domestic appliance hinge device according to one of the preceding claims, characterized in that the locking surfaces (44, 46) are designed in such a way that they are not only in the transverse door open position, but also in a predetermined, directly following preceding smaller door opening angle. area, contact each other and create a braking effect. Hausgerät-Scharniervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Pleueldrehachse (22) höher angeordnet ist als die Scharnierdrehachse (18).Domestic appliance hinge device according to one of the preceding claims, characterized in that the connecting rod rotation axis (22) is arranged higher than the hinge rotation axis (18). Hausgerät-Scharniervorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Pleueldrehachse (22) vertikal über der Scharnierdrehachse (18) angeordnet ist.Domestic appliance hinge device according to claim 8, characterized in that the connecting rod rotation axis (22) is arranged vertically above the hinge rotation axis (18). Hausgerät-Scharniervorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß das von der Pleueldrehachse (22) entfernte Pleuelstangenende (31) in einer Richtung verschiebbar geführt ist, die rechtwinkelig zu einer theoretischen Verbindungslinie zwischen den beiden Achsen (18, 22) verläuft.Domestic appliance hinge device according to claim 9, characterized in that the connecting rod end (31) remote from the connecting rod rotation axis (22) is displaceably guided in a direction which is at right angles to a theoretical connecting line between the two axes (18, 22).
EP00111210A 1999-05-26 2000-05-24 Hinging device for a household appliance Expired - Lifetime EP1055882B1 (en)

Applications Claiming Priority (2)

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DE19923994 1999-05-26
DE19923994A DE19923994A1 (en) 1999-05-26 1999-05-26 Household appliance hinge device

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EP1055882A2 true EP1055882A2 (en) 2000-11-29
EP1055882A3 EP1055882A3 (en) 2003-10-01
EP1055882B1 EP1055882B1 (en) 2005-04-27

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AT (1) ATE294361T1 (en)
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WO2003072898A1 (en) * 2002-02-27 2003-09-04 BSH Bosch und Siemens Hausgeräte GmbH Household appliance and household appliance door
US6789293B2 (en) * 2001-09-27 2004-09-14 Mansfield Assemblies Co. Dampened hinge system for appliance door
WO2009153186A1 (en) 2008-06-16 2009-12-23 BSH Bosch und Siemens Hausgeräte GmbH Household appliance with device for door weight compensation
EP1703053A3 (en) * 2005-01-20 2013-04-03 Electrolux Home Products Corporation N.V. Hinge for a home appliance
EP2244017A3 (en) * 2009-04-22 2016-12-21 Franke Technology and Trademark Ltd Kitchen oven door
US20220186537A1 (en) * 2020-12-16 2022-06-16 Nuova Star S.P.A. Hinge for doors

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Publication number Priority date Publication date Assignee Title
DE102011078535A1 (en) 2011-07-01 2013-01-03 BSH Bosch und Siemens Hausgeräte GmbH Hinge for a door of a domestic appliance, door with such a hinge and household appliance with a corresponding hinge and method for actuating a door handle of a door
WO2017097544A1 (en) 2015-12-10 2017-06-15 BSH Hausgeräte GmbH Hinge for a household device and household device having household device hinges of this type
CN108369012B (en) 2015-12-10 2020-10-20 Bsh家用电器有限公司 Household appliance

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DE4105274C2 (en) 1990-05-17 1996-07-04 Cmi Cerniere Mecc Ind Door hinge for household appliances

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DE2830976A1 (en) 1977-07-19 1979-02-08 Vanini Oven drop door for domestic cooker - with slotted hinge articulation and rotary catch disc for easy door extraction
DE4105274C2 (en) 1990-05-17 1996-07-04 Cmi Cerniere Mecc Ind Door hinge for household appliances
DE4108816A1 (en) 1991-03-18 1992-09-24 Bosch Siemens Hausgeraete Door hinge for domestic electrical appliance e.g. oven - has baseplate and relatively pivoted plug-in element attached to appliance housing

Cited By (11)

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Publication number Priority date Publication date Assignee Title
US6789293B2 (en) * 2001-09-27 2004-09-14 Mansfield Assemblies Co. Dampened hinge system for appliance door
WO2003072897A1 (en) * 2002-02-27 2003-09-04 BSH Bosch und Siemens Hausgeräte GmbH Door for domestic appliances and corresponding domestic appliance
WO2003072898A1 (en) * 2002-02-27 2003-09-04 BSH Bosch und Siemens Hausgeräte GmbH Household appliance and household appliance door
EP1719860A1 (en) * 2002-02-27 2006-11-08 BSH Bosch und Siemens Hausgeräte GmbH Household appliance door and household appliance
US7234457B2 (en) 2002-02-27 2007-06-26 Bsh Bosch Und Hausgeraete Gmbh Household-appliance door and household appliance
US7445005B2 (en) 2002-02-27 2008-11-04 Bsh Bosch Und Siemens Hausgeraete Gmbh Household appliance and household appliance door
EP1703053A3 (en) * 2005-01-20 2013-04-03 Electrolux Home Products Corporation N.V. Hinge for a home appliance
WO2009153186A1 (en) 2008-06-16 2009-12-23 BSH Bosch und Siemens Hausgeräte GmbH Household appliance with device for door weight compensation
EP2244017A3 (en) * 2009-04-22 2016-12-21 Franke Technology and Trademark Ltd Kitchen oven door
US20220186537A1 (en) * 2020-12-16 2022-06-16 Nuova Star S.P.A. Hinge for doors
US11697955B2 (en) * 2020-12-16 2023-07-11 Nuova Star Spa Hinge for doors

Also Published As

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DE50010139D1 (en) 2005-06-02
ATE294361T1 (en) 2005-05-15
EP1055882A3 (en) 2003-10-01
DE19923994A1 (en) 2000-11-30
EP1055882B1 (en) 2005-04-27

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