EP3486417B1 - Lid positioning device - Google Patents

Description

The invention relates to a lid plate according to the preamble of claim 1.

In order to secure the actuating arm, which is powered by the actuator, against unintentional forward movement, especially when transporting and assembling pieces of furniture, cover actuators are known with various safety precautions.

Such a lid plate is from the DE 10 2016 100 606 B3 known. The lid actuator has a two-part actuating arm with a base element and a lever. The base element of the actuating arm has an actuating contour on which an actuator is supported. The lever of the actuating arm can be folded down relative to the base element. Furthermore, a latching mechanism is present in order to fix the lever in at least one latching position on the base element in a rotationally fixed manner.

From the DE 20 2014 103 519 U1 another lid plate is known. The lid actuator has an actuating arm with a drive disk on which an actuator is supported. In order to limit the pivoting movement of the actuating arm to an open position, a locking pin is provided. Only by manually applying a dem Actuator counteracting force on the actuating arm, the locking pin can be pulled and thus the pivoting movement of the actuating arm can be released.

The object of the present invention is to provide a lid plate of the type mentioned at the outset, which is safe to handle and easy to manufacture and assemble.

The object is achieved according to the invention in a lid actuator of the type mentioned in that the latching mechanism is designed and arranged in such a way that, starting from the released state, the latching mechanism is transferred into the latched state exclusively by a pivoting movement of the actuating arm relative to the at least one drive disk, wherein the latching mechanism has at least one latching pair which interacts in the latched state and consists of a latching projection and a latching recess, the at least one latching projection and the at least one associated latching recess being distributed on the actuating arm and the at least one drive disk and assigned to one another in such a way that the latching mechanism Starting from the released state, it is transferred into the locked state exclusively by a pivoting movement of the actuating arm relative to the at least one drive pulley.

The invention is based on the idea that lid adjusters serve to move a lid or a flap of a piece of furniture between an open position, in which the interior space delimited by a body is accessible from the outside, and a closed position, in which the interior of the body is accessible through the lid or the flap is closed. The actuating arm is subjected to force by the actuator in order to apply force to the cover in the direction of the open position over a larger swivel travel range. This means the lid can be held in any position or automatically moved to the open position. Over a smaller pivoting range between an intermediate position and the closed position, a reverse moment is generally exerted on the actuating arm, resulting in a tightening force that holds the lid in the closed position. Spring power packages or gas pressure springs are often used as actuators, which have a mechanism, for example a roller, which, for example, works against an adjusting contour which supports at least one drive pulley, applies force to the actuating arm. However, as soon as no cover is mounted on the actuating arm, the counterweight is missing, which is why the force-loaded actuating arm can jump forward. This poses a risk of accidents, especially during the production, packaging, transport and assembly of the lid plates.

In the following, for the sake of better readability, “the at least one drive pulley” is abbreviated as “the drive pulley”, although despite the use of the singular, several of the drive pulleys can also be meant. Only if exactly one drive pulley or two or more drive pulleys are important is this pointed out in the description.

The advantage of the solution according to the invention is that the actuating arm can be connected to the drive pulley in a simple manner in a rotationally fixed manner. To lock the actuating arm with the drive disk, the pivoting path of the actuating arm that is usual in normal operation of the lid actuator is preferably manually tracked by pivoting the actuating arm relative to the drive disk. In other words, starting from the released state, the locking mechanism is converted into the locked state by an exclusive pivoting movement of the actuating arm relative to the drive disk and thus without translational movement of the actuating arm relative to the drive disk. For this purpose, either only the actuating arm can be moved in the direction of the drive disk, or the drive disk can be moved in the direction of the actuating arm, or the components, namely the actuating arm and drive disk, can be moved towards one another. When locked, the actuating arm and the drive disk can be pivoted together about the pivot axis in both pivot directions. The actuating arm can be decoupled from the drive pulley or detached, especially for transport and during assembly of the lid actuator on the body. This interrupts the flow of force between the actuator and the actuating arm, so that the actuating arm is prevented from accidentally springing forward. In this released state, the actuator can only rotate the drive pulley. Only when the actuating arm is coupled to the drive disk or locked is the actuating arm connected to the actuator by means of the non-rotatable locking connection with the drive disk. The latching expediently only takes place during assembly, for example together with a lid or flap attached to the actuating arm, so that the actuating arm together with the lid moves from the closed position to the Open position can be swiveled. The lid actuator will therefore already be operated in normal operation with the first return transfer of the lid from the open position back to the closed position.

The latching mechanism can also have several of the latching pairs, each with a latching projection and an associated latching recess. In the locked state, the respective locking projection engages in the respective assigned locking recess, in particular in a form-fitting manner. In contrast, the respective locking projection and the respectively assigned locking recess are disengaged in the released state. The positive connection provides a bond between the two locking elements, locking projection and locking recess, which is particularly stable due to the matching shapes. This means that even higher torques can be easily transmitted via the locking mechanism. The at least one locking projection can, for example, be a curvature created by embossing. The at least one locking recess can be designed as a material recess extending through the entire axial extent of the drive pulley or the actuating arm or in the form of a recess or the like that is closed on the bottom side.

With only a single locking pair, the locking projection can be arranged on the actuating arm or on the single drive pulley or on only one of the drive pulleys and the locking recess can be arranged accordingly on the counter component, i.e. drive pulley or adjusting arm. The at least one locking pair or the respective locking projection and the respectively assigned locking recess are assigned to one another in such a way that the locking mechanism, starting from the released state, is transferred into the locked state exclusively by a pivoting movement of the actuating arm relative to the at least one drive disk.

The latching connection is expediently designed in such a way that the forces normally acting on the lid actuator during operation do not lead to a decoupling of the latched components, namely the actuating arm and drive disk. The shear force usually acting on the respective locking element, for example on the locking projection, of the locking mechanism is around 400 Newton. Depending on the specification, the locking connection can also be an irreversible locking connection, so that there is decoupling or releasing the locked components would only be possible by destroying the locking connection.

According to a further aspect of the present invention, the lid actuator can have two drive disks. This provides a stable lid holder. The actuating arm is preferably arranged between the two drive pulleys. The latching mechanism can be arranged distributed over both drive pulleys and the actuating arm in between, whereby a more stable latching connection can be provided. Another advantage is that the axial spacing of the two drive disks results in a larger support surface on which the actuator can be supported. The respective drive pulley can therefore be formed from sheet metal, which sometimes only has a thin sheet metal thickness. The support surface preferably runs parallel to the pivot axis and can form an adjusting contour on which the actuator is supported. The two drive pulleys can be designed identically. In principle, the drive disks can also be designed differently, with in particular only one of the drive disks being able to have an adjusting contour. Then the further drive pulley would only serve to support the actuating arm and contribute to further stabilizing the connection between the actuating arm and the drive pulleys in the locked state.

Furthermore, the two drive pulleys can be connected to one another by a sleeve. The sleeve can be arranged concentrically to the pivot axis. In this way, the two drive disks can be connected to one another in a rotationally fixed manner and pivotally mounted about the pivot axis. The two drive disks and the sleeve can have a press fit with one another. It is also possible for the sleeve to be firmly formed on the drive pulleys or to be connected to the drive pulley, in particular by soldering or gluing.

The lid actuator can have a joint element that forms the pivot axis and to which the drive disk can be pivotally attached. The joint element can, for example, be designed in the shape of a bolt or peg. Furthermore, the joint element can be arranged or formed on a base body of the lid plate. The base body can be, for example, a housing that can be mounted on a side wall of a body of the furniture. For example, the sleeve through which the drive pulleys are connected to one another can be pushed onto the joint element.

According to a first embodiment of the present invention, the actuating arm can be pivoted or mounted together with the drive pulley about the same pivot axis. Thus, in the released state, the actuating arm can be pivotable relative to the drive pulley about the common pivot axis. The actuating arm can be held pivotably on the base body. For this purpose, the actuating arm can have a receiving hole through which, for example, the joint element arranged on the base body extends. Preferably, the sleeve, which connects the two drive disks in a rotationally fixed manner, extends through the receiving bore of the actuating arm, which can be arranged between the two drive disks. In order to ensure the relative pivoting movement between the actuating arm and the two drive disks, the actuating arm and the sleeve can have a clearance fit with one another. The individual components of the actuating arm and drive disks thus form a structural unit which can be pivotally mounted in a manner that is easy to manufacture, in particular on the joint element of the lid actuator. The latching projection and the associated latching recess of the at least one latching pair are expediently arranged on a common circular ring section around the pivot axis. In the first embodiment, the drive pulley can be designed to be particularly compact. Preferably, the drive disk can be accommodated completely within an interior space of the lid actuator that is enclosed by a housing of the lid actuator and does not protrude from the housing. This reduces the risk of accidents because the drive pulley is always powered.

According to a second embodiment of the present invention, the actuating arm can be held on the at least one drive pulley. For this purpose, the actuating arm can be pivotable about a further pivot axis, the further pivot axis being radially spaced from the pivot axis about which the drive disk is pivotable. In this way, the actuating arm pivots in the released state relative to the drive pulley about the further pivot axis. The latching projection and the associated latching recess of the at least one latching pair are expediently arranged on a common circular ring section around the further pivot axis.

The same applies to all configurations that the locking mechanism basically also includes several of the locking pairs, in particular two, three, four, five, six locking pairs can have. This provides a stable connection between the actuating arm and the drive pulley in the locked state. The respective latching pairs can also have different radial distances from one another to the associated pivot axis or subsets, for example a first subset of the latching pairs and a second subset of the latching pairs, can have different radial distances from the associated pivot axis.

According to one aspect of the present invention, the drive disks can each have at least one of the locking recesses and the actuating arm arranged between the two drive disks can have at least two of the locking projections. In the released state, the locking projections are preferably arranged outside the drive disks, that is to say in an area that is not overlapped by the drive disks. The locking projections are then only moved between the drive disks by the pivoting movement of the actuating arm and lock there with the locking recesses designed in the drive disks. In order to reduce the effort required for the pivoting movement of the actuating arm, at least one spacer can be arranged between the two drive disks. The two drive pulleys can be designed to be axially elastic and, in the released state, can be pressed apart axially elastically by the at least one spacer. The at least one spacer can sit in the at least one locking recess. Preferably, the at least one spacer can be inserted into two locking recesses of the two spaced-apart drive disks which are opposite one another in the axial direction. If the actuating arm is pivoted in particular in the direction of the open position for locking with the drive disks, an end face of the actuating arm can push away the at least one spacer and thus release the locking recesses for the subsequent locking projections. This improves the locking effect, since when the at least one locking projection overlaps with the associated locking recess, the locking projection can lock into the locking recess, in particular resiliently, in that the drive pulley and the actuating arm move closer to one another again.

According to an alternative aspect of the present invention, the drive pulleys can each have at least one of the locking projections and the one between the two Drive disks arranged actuating arm have at least two of the locking recesses. Two of the locking projections can be arranged opposite one another in the axial direction and can press the two axially elastic drive disks axially apart in the released state. In this way, the effort required for the pivoting movement of the actuating arm can also be reduced, since the locking projections take on an additional function as spacers in the released state. In addition, this improves the latching effect, since when the at least one latching projection overlaps with the associated latching recess, the latching projection can engage in the latching recess, in particular resiliently, in that the drive pulley and the actuating arm move closer to one another again.

Furthermore, the at least one locking projection can have an oblique sliding surface. If the at least one locking projection is assigned to the drive pulley, the sliding surface can be formed on a side of the respective locking projection facing the actuating arm in the released state. If the at least one locking projection is assigned to the actuating arm, the sliding surface can be formed on a side of the respective locking projection that faces the drive pulley in the released state. This simplifies the coupling process between the actuating arm and the drive pulley.

To simplify handling of the locking mechanism, an end stop can be present. In particular, an end stop can be arranged on the drive pulley, which limits the pivoting movement of the actuating arm relative to the drive pulley.

Preferably, the latching mechanism only locks in the open position of the lid plate. This means that the actuating arm cannot inadvertently shoot up further due to the actuator, which enables even safer installation. To assume the locked state, only the actuating arm is preferably moved and the drive pulley stands still during the coupling process. For this purpose, the drive pulley is expediently in the open position before it is locked. In particular, the drive disk has an adjusting contour which extends from a starting point at which the actuator is supported when the lid actuator is in the closed position to an end point at which the actuator is supported when the lid actuator is in the open position . The drive pulley can therefore also be used as a cam. In the released state, the actuator can therefore be supported at the end point of the actuating contour, so that the drive pulley cannot be pivoted any further during the coupling process with the actuating arm. This simplifies the coupling process, since the drive pulley is pressed into the open position by the actuator and it is not necessary to fix the drive pulley manually.

Figur 1

einen Deckelsteller gemäß einer ersten Ausführungsform der vorliegenden Erfindung in Seitenschnittansicht, wobei der Deckelsteller in einem freigegebenen Zustand gezeigt ist;

Figur 2

einen vergrößerten Teilausschnitt des Deckelstellers aus Figur 1 in perspektivischer Ansicht, wobei der Deckelsteller in einem weiterhin freigegebenem Zustand gezeigt ist;

Figur 3

eine perspektivische Ansicht eines Abstandhalters des Deckelstellers aus Figur 1;

Figur 4

eine perspektivische Ansicht eines Koppelelementes mit zwei Rastvorsprüngen für den Deckelsteller aus Figur 1;

Figur 5

einen vergrößerten Teilausschnitt des Deckelstellers aus Figur 1 in perspektivischer Ansicht, wobei der Deckelsteller in einem verrasteten Zustand gezeigt ist;

Figur 6

den Deckelsteller aus Figur 1 in Seitenschnittansicht, wobei der Deckelsteller in dem verrasteten Zustand gezeigt ist;

Figur 7

einen Deckelsteller gemäß einer zweiten Ausführungsform der vorliegenden Erfindung in Seitenschnittansicht, wobei der Deckelsteller in einem freigegebenen Zustand gezeigt ist;

Figur 8

einen vergrößerten Teilausschnitt des Deckelstellers aus Figur 7 in Seitenschnittansicht, wobei der Deckelsteller in einem verrasteten Zustand gezeigt ist;

Figur 9

einen vergrößerten Teilausschnitt des Deckelstellers aus Figur 7 in perspektivischer Ansicht, wobei der Deckelsteller in dem freigegebenen Zustand gezeigt ist;

Figur 10

einen vergrößerten Teilausschnitt des Deckelstellers aus Figur 7 in Seitenschnittansicht, wobei der Deckelsteller in dem freigegebenen Zustand gezeigt ist;

Figur 11

einen vergrößerten Teilausschnitt des Deckelstellers aus Figur 7 in perspektivischer Ansicht, wobei der Deckelsteller in dem freigegebenen Zustand gezeigt ist;

Figur 12

einen vergrößerten Teilausschnitt des Deckelstellers aus Figur 7 in Seitenschnittansicht, wobei der Deckelsteller an einem Möbelkorpus montiert und in einer Offenstellung positioniert ist, und wobei der Deckelsteller in dem verrasteten Zustand gezeigt ist;

Figur 13

eine weitere Seitenschnittansicht des Deckelstellers aus Figur 12; und

Figur 14

eine weitere Seitenschnittansicht des Deckelstellers aus Figur 12, wobei der Deckelsteller in einer Schließstellung positioniert und in dem freigegebenen Zustand gezeigt ist.

Preferred exemplary embodiments of lid plates according to the invention are explained in more detail below with reference to the drawings. Herein show:

Figure 1

a lid actuator according to a first embodiment of the present invention in a side sectional view, the lid actuator being shown in a released state;

Figure 2

an enlarged section of the lid plate Figure 1 in a perspective view, the lid plate being shown in a still released state;

Figure 3

a perspective view of a spacer of the lid plate Figure 1 ;

Figure 4

a perspective view of a coupling element with two locking projections for the lid plate Figure 1 ;

Figure 5

an enlarged section of the lid plate Figure 1 in a perspective view, with the lid plate shown in a locked state;

Figure 6

the lid plate Figure 1 in a side sectional view, the lid plate being shown in the locked state;

Figure 7

a lid actuator according to a second embodiment of the present invention in a side sectional view, the lid actuator being shown in a released state;

Figure 8

an enlarged section of the lid plate Figure 7 in a side sectional view, the cover plate being shown in a locked state;

Figure 9

an enlarged section of the lid plate Figure 7 in perspective view, with the lid actuator shown in the released state;

Figure 10

an enlarged section of the lid plate Figure 7 in side sectional view, with the lid actuator shown in the released state;

Figure 11

an enlarged section of the lid plate Figure 7 in perspective view, with the lid actuator shown in the released state;

Figure 12

an enlarged section of the lid plate Figure 7 in a side sectional view, the lid holder being mounted on a furniture body and positioned in an open position, and the lid holder being shown in the locked state;

Figure 13

another side section view of the lid plate Figure 12 ; and

Figure 14

another side section view of the lid plate Figure 12 , with the lid actuator positioned in a closed position and shown in the released state.

Figures 1 to 6 show the lid plate 1 according to a first embodiment of the present invention. The lid actuator 1 is used in a manner known per se to position a furniture flap (not shown) or a lid between an open position in which the furniture flap is opened or pivoted upwards, and a closed position in which the furniture flap is closed or pivoted downwards and closes a furniture body, not shown. Usually are Two of the lid holders 1 according to the invention are attached to the furniture body, so that the furniture flap is placed over a left and a right lid holder 1.

The lid plate 1 has a base body 2 in the form of a housing which can be attached to a side wall of the furniture body. On the base body 2, two drive disks 3 and an actuating arm 4 arranged between the two drive disks 3 are pivotally mounted about a common pivot axis X. Furthermore, the cover actuator 1 has an actuator 5, which is attached to the base body 2 and is supported on the two drive disks 3. For this purpose, 3 adjusting contours 6 are formed on the two axially spaced drive disks 6, with a roller 7 of the actuating drive 5 running on the adjusting contours 6. The actuator 5 can, for example, have a spring package, in particular with a gas pressure spring.

The drive disks 3 are designed identically here and can be formed, in particular punched, from sheet metal, in particular a thin-walled sheet metal. In the Figures 1, 2 and 5 It can be seen that the drive pulleys 3 have a compact, at least approximately diamond-shaped basic shape. The drive disks 3 are, viewed in plan view of the respective drive disk 3, pivotally mounted in a corner area on the base body 2 and do not protrude from the base body 2 regardless of their rotational position. This compact design is possible because the drive disks 3 and the actuating arm 4 can be pivoted about the common pivot axis X.

A joint element 8 is arranged on the base body 2 for the pivotable mounting of the drive pulleys 3 and the actuating arm 4. The joint element 8 is cylindrical or peg-shaped and forms the pivot axis X. The drive disks 3 each have a joint section 9 held on the joint element 8, each with a holding hole 10. A sleeve 11 is pressed into the holding holes 10 so that the drive pulleys 3 are connected to one another in a rotationally fixed manner. Furthermore, the actuating arm 4 has a joint section 12 held on the joint element 8 and having a receiving bore 13 designed concentrically to the sleeve 11. The actuating arm 4 is pushed onto the sleeve 11 between the two drive disks 3, the sleeve 11 passing through the receiving bore 13. The actuating arm 4 and the sleeve 11 have a clearance fit with one another, so that the actuating arm 4 and the drive disks 3 can be pivoted relative to one another. The individual components of the actuating arm 4 and drive disks 3 thus form a common structural unit, with the drive disks 3, in particular the joint sections 9 of the drive disks 3, and the actuating arm 4, in particular the joint section 12 of the actuating arm 4, lying on different levels along the pivot axis X. The sleeve 11 is arranged concentrically to the joint element 8 and pushed onto it, so that the actuating arm 4 and the drive disks 3 are pivotally mounted about the pivot axis X.

In order to be able to drive the actuating arm 4 by means of the actuating drive 5, the cover actuator 1 has a locking mechanism 24 for the rotationally fixed connection of the actuating arm 4 to the drive disks 3. In the Figures 1 and 2 the locking mechanism 24 is shown in a released state in which the actuating arm 4 is released from the two drive disks 3 or decoupled. The actuating arm 4 and the two drive disks 3 can then be pivoted relative to one another on the common pivot axis X. This interrupts the flow of force between the actuating arm 4 and the actuating drive 5, so that the actuating arm 4 is driveless in the released state. In the Figures 5 and 6 the locking mechanism 24 is shown in a locked state, in which the actuating arm 4 is held in a rotationally fixed manner on the drive disks 3. The actuating arm 4 and the drive disks 3 can thus be pivoted together about the pivot axis X, namely in both directions of rotation about the pivot axis X.

The latching mechanism 24 is designed and arranged in such a way that, starting from the released state, the latching mechanism 24 is transferred into the latched state exclusively by a pivoting movement of the actuating arm 4 about the pivot axis X relative to the drive disks 3. Specifically, the latching mechanism 24 here has four latching pairs, each with a latching projection 14 and an associated latching recess 15. The total of four locking projections 14 here are formed at the ends of two pin-shaped elements 16, which are pressed into bores in the actuating arm 4 and axially project beyond the actuating arm 4. The four locking recesses 15 here are designed as four through holes in the drive pulleys 3.

In the Figure 4 one of the two pin-shaped elements 16 is shown here as an individual component.

The pin-shaped elements 16 have a cylindrical basic shape with two conical ends 17 to form oblique sliding surfaces. The smallest outside diameter of the ends 17 corresponds at least approximately to the inside diameter of the locking recess 15, which is circular when viewed in cross section. Each of the drive disks 3 here has two of the locking recesses 15, which are arranged in pairs one above the other in alignment in the axial direction. Each one of the locking projections 14 forms one of the locking pairs together with one of the locking recesses 15, into which the locking projection 14 engages in the locked state. The locking pairs, which are axially opposite one another in the locked state, lie on a common circular ring section R1, R2, which is known to be delimited by an outer ring and an inner ring with the same center. The center point is on the pivot axis In the Figures 1, 2 , 5 and 6 It can be seen that the radial distance of the circular ring section R1, on which two of the locking pairs lie, is smaller than the radial distance of the further circular ring section R2, on which the other two locking pairs lie.

The axial distance between the drive disks 3 corresponds at least approximately to the thickness of the actuating arm 4 along the joint section 12. In the locked state, the two drive disks 3 lie flat against the actuating arm 4. In the released state, the locking projections 14 lie outside the drive disks 3 and are only pushed between the drive disks 3 by the pivoting movement of the actuating arm 4. Between the drive pulleys 3 can, as in the Figure 2 shown, spacers 17 can be inserted. In the Figure 3 the spacer 17 is shown as a single component, which presses the two drive pulleys 3 axially apart in the released state. The spacers 17 are cylindrical and have a central section 18 with a first diameter and two holding sections 19 formed at the ends, each with a second diameter that is reduced compared to the first diameter. The diameter of the holding sections 19 corresponds at least approximately to the inner diameter of the circular locking recesses 15. When the spacers 17 are inserted, the holding sections 19 are inserted into two of the locking recesses 15 of the drive pulleys 3 which are opposite one another. The axial length of the holding sections 19 corresponds at least approximately to that Length of the pin-shaped elements 16. By pivoting the actuating arm 4 into the open position, an end face 20 of the actuating arm 4 pushes the spacers 17 away and thus releases the locking recesses 15 for the subsequent locking projections 14. The pivoting direction is in the Figure 2 shown with the arrow S. As soon as the spacers 17 have been pushed out of the space between the two drive disks 3, the drive disks 3 approach each other again, whereby the locking projections 14 engage in the locking recesses 15.

According to an embodiment not shown, the locking projections 14 can already be arranged in an area of the lid actuator 1 covered by the drive disks 3 in the released state. Then, in the released state, the locking projections 14 can press against surfaces 23 of the drive disks 3 and thus elastically bias them against each other in the axial direction. As soon as the locking projections 14 overlay the respective locking recesses 15, the drive disks 3 approach each other again, whereby the locking projections 14 engage in the locking recesses 15 in a locking manner.

To move the actuating arm 4 out of the released state, as in the Figures 1 and 2 shown in the locked state, as in the Figures 5 and 6 shown, the actuating arm 4 is pivoted in the pivoting direction S relative to the two drive disks 3 about the common pivot axis X. During this pivoting process, the actuating arm 4 is manually turned into the open position. The drive disks 3 stand still during this pivoting movement intended for the coupling, since the drive disks 3 are already advanced into the open position by the actuator 5 in the released state.

Specifically, in the Figure 1 It can be seen that the adjusting contours 6 of the drive pulleys 3 are formed between a starting point 21 and an end point 22. When the roller 7 of the actuator 5 is supported at the starting point 21, the drive disks 3, or in the locked state of the cover actuator 1, are in the closed position, not shown. If, on the other hand, the roller 7 is supported at the end point 22, the drive disks 3, or in the locked state the cover actuator 1, are in the open position. In the released state, the actuator 5 only rotates the two Drive pulleys 3 in the open position, as in the Figure 1 shown. If the actuating arm 4 is then manually pivoted into the open position, the locking projections 14 overlay the locking recesses 15 and engage in them in a locking manner. In the Figure 6 The locked state is shown that the lid actuator 1 assumes after the actuating arm 4 has been manually pivoted into the open position. In the locked state, the force applied by the actuator 5 is transmitted to the actuating arm 4 via the locking mechanism 24.

A lid or a flap can also be mounted on the lid plate 1 in a manner known per se. Because the locking mechanism 24 can be locked onto the actuating arm 4 without direct visual contact, the cover or the flap can first be mounted on the released actuating arm 4. The locking mechanism 24 can then be transferred to the locked state by pivoting the actuating arm 4 together with the mounted flap or lid about the pivot axis

In the Figures 7 to 14 a lid plate 25 is shown according to a second embodiment of the present invention. Since the basic structure of the lid plate 25 is largely the same as that in Figures 1 to 6 corresponds, reference is made to the above description with regard to the similarities. The same or corresponding details are provided with the same reference numbers, as in the Figures 1 to 6 . The following essentially explains the differences between the present lid actuator 25 and the above embodiment, which lie primarily in the pivotable fastening of the actuating arm 4. This lid actuator 25 essentially differs in the connection of the actuating arm 4 to the drive disks 3 and their locking by means of the locking mechanism 24.

The drive pulleys 3 have an at least approximately V-shaped basic shape. In a top view of the drive disks 3, they are each mounted at one end of a leg on the base body 2 so that they can pivot about the pivot axis X. The drive disks 3 can also be pivoted about the joint element 8, which is arranged within the base body 2 or housing. The actuating arm 4 in turn is in the released state of the locking mechanism 24 is pivotably mounted about a further pivot axis Y. The further pivot axis Y is radially spaced from the pivot axis X of the drive disks 3. Radially spaced here means that the two pivot axes X, Y run at a distance and parallel to one another. For this purpose, the actuating arm 4 is arranged between the two drive pulleys 3 and is connected to them in an articulated manner. The further pivot axis Y is designed here on a section of the drive disks 3, which lies outside the base body 2.

In order to be able to drive the actuating arm 4 by means of the actuating drive 5, the cover actuator 1 also has the latching mechanism 24 for the rotationally fixed connection of the actuating arm 4 to the drive disks 3. In the Figures 7 , 9, 10, 11 and 14 the locking mechanism 24 is shown in a released state in which the actuating arm 4 is released from the two drive disks 3 or decoupled. In the released state, the actuating arm 4 can be pivoted about the further pivot axis Y relative to the drive disks 3. This interrupts the flow of force between the actuating arm 4 and the actuating drive 5, so that the actuating arm 4 is driveless in the released state. In the Figures 8 , 12 and 13 the locking mechanism 24 is shown in a locked state, in which the actuating arm 4 is held in a rotationally fixed manner on the drive disks 3. Then the actuating arm 4 and the drive disks 3 can be pivoted together about the pivot axis X, namely in both directions of rotation about the pivot axis X.

The latching mechanism 24 is designed and arranged in such a way that, starting from the released state, the latching mechanism 24 is transferred into the latched state exclusively by a pivoting movement of the actuating arm 4 about the further pivot axis Y relative to the drive disks 3. Specifically, the latching mechanism 24 here has two latching pairs, each with a latching projection 26 and an associated latching recess 27. The total of two locking projections 26 here are formed at the ends of two pin-shaped elements 28, which are pressed into bores in the drive pulleys 3 and each protrude in the axial direction towards the opposite drive pulley 3. The two locking recesses 27 are formed by a through hole extending through the actuating arm 4 in the axial direction, or are connected to one another. The locking projections 26 and the associated locking recesses 27 of the two locking pairs are arranged on a common circular ring section R3 around the further pivot axis Y.

The two pin-shaped elements 28 are arranged one above the other in the axial direction and, in the released state, push the two drive disks 3 apart slightly, so that the actuating arm 4 can be pivoted between the drive disks 3. On the side facing the actuating arm 4, the two locking projections 26 have an oblique sliding surface 29. When pivoting the actuating arm 4 relative to the drive disks 3 about the pivot axis Y into the open position, the actuating arm 4 presses with a curved leading surface 30 against the sliding surface 29 of the pin-shaped elements 28 and presses the drive disks 3 further axially apart. The actuating arm 4 then pushes between the locking projections 26, with the pivoting movement stopping when the leading surface 30 stops at an end stop 31. The end stop 31 is arranged between the drive pulleys 3 and connected to them. Then the latching projections 26 overlay the respective latching recesses 27, so that the drive disks 3 approach each other again and the latching projections 26 engage in the latching recesses 27 in a latching manner. The locking mechanism 24 is thus transferred to the locked state. The end stop 31 lies together with the curved leading surface 30 of the actuating arm 4 on a common circular ring cutout R4 around the further pivot axis Y. In the Figure 10 It can be seen that the radial distance of the circular ring section R3, on which the locking pairs lie, is greater than the radial distance of the further circular ring section R4, on which the end stop 31 and the curved leading surface 30 lie.

In the Figures 12 to 14 the lid plate 25 is shown mounted on a furniture body 32. In the Figure 14 the locking mechanism 24 is in the released state and the actuating arm 4 is in a position that would correspond to the closed position in normal operation of the lid actuator 25. From this in the Figure 14 In the state shown, the actuating arm 4 can be in the open position, which is in the Figure 13 shown can be swiveled manually. During this pivoting movement of the actuating arm 4, the drive disks 3, which have already been moved into the open position by the actuating drive 5, are stationary, so that only the actuating arm 4 has to be pivoted upwards. Furthermore, the lid actuator 25 here has a control arm 33 which is pivotally mounted on the base body 2 about a third pivot axis Z which is radially spaced from the pivot axes X, Y. The control arm 33 and the actuating arm 4 are articulated to a fastening element 34 for a lid or flap, not shown.

Reference symbol list

1

Lid plate

2

Basic body

3

Drive pulley

4

Actuating arm

5

Actuator

6

positioning contour

7

role

8th

Joint element

9

Joint section

10

holding hole

11

sleeve

12

Joint section

13

location hole

14

locking projection

15

locking recess

16

pen-shaped element

17

Spacer

18

Central section

19

holding section

20

front side

21

starting point

22

end point

23

Area

24

Locking mechanism

25

Lid plate

26

locking projection

27

locking recess

28

pen-shaped element

29

sliding surface

30

leading surface

31

end stop

32

Furniture body

33

Control arm

34

fastener

R

Center ring

S

Arrow

X

Pivot axis

Y

Pivot axis

Z

Pivot axis

Claims (14)

1. Lid stay comprising:

   a base body (2),

   at least one drive disc (3), which is attached pivotably around a pivot axis (X) to the base body (2),

   an actuator (5) supported on the at least one drive disc (3) for pivoting the at least one drive disc (3) about the pivot axis (X),

   an actuating arm (4) which is held pivotably relative to the at least one drive disc (3), and

   a locking mechanism (24), wherein in a released state of the locking mechanism (24) the actuating arm (4) is pivotable relative to the at least one drive disc (3) and in a locked state of the locking mechanism (24) the actuating arm (4) is held non-rotatably on the at least one drive disc (3), so that in the locked state the actuating arm (4) and the at least one drive disc (3) are jointly pivotable about the pivot axis (X) in both pivot directions,

   characterized in

   that the locking mechanism (24) is designed and arranged in such a way that, starting from the released state, the locking mechanism (24) is transferred into the locked state exclusively by a pivoting movement of the actuating arm (4) relative to the at least one drive disc (3),

   wherein the locking mechanism (24) comprises at least one locking pair which cooperates in the locked state and the at least one locking pair comprises a locking projection (14; 26) and a locking recess (15; 27), wherein the at least one locking projection (14; 26) and the at least one associated locking recess (15; 27) are distributed between the actuating arm (4) and the at least one drive disc (3) and are associated to one another in such a way that, starting from the released state, the locking mechanism (24) is transferred into the locked state exclusively by a pivoting movement of the actuating arm (4) relative to the at least one drive disc (3).
2. Lid stay according to claim 1,
   characterized in
   that the lid stay comprises two drive discs (3) which are connected to one another in a rotationally fixed manner, in particular by means of a sleeve (11) which is arranged concentrically with respect to the pivot axis (X), wherein the actuating arm (4) is arranged between the two drive discs (3).
3. Lid stay according to claim 1 or 2,
   characterized in
   that the actuating arm (4) is held on the base body (2) and, in the released state, is arranged pivotable about the pivot axis (X) relative to the at least one drive disc (3).
4. Lid stay according to claim 2 and 3,
   characterized in
   that the actuating arm (4) has a receiving bore (13) through which the sleeve (11) extends, wherein the actuating arm (4) and the sleeve (11) are arranged with a clearance fit with respect to one another.
5. Lid stay according to claim 3 or 4,
   characterized in
   that the locking projection (14) and the associated locking recess (15) of the at least one locking pair are arranged on a common circular ring section (R1, R2) about the pivot axis (X).
6. Lid stay according to claim 1 or 2,
   characterized in
   that the actuating arm (4) is held on the at least one drive disc (3) and, in the released state, is pivotable relative to the at least one drive disc (3) about a further pivot axis (Y), wherein the further pivot axis (Y) is radially spaced apart from the pivot axis (X) about which the at least one drive disc (3) is pivotable.
7. Lid stay according to claim 6,
   characterized in
   that the locking projection (26) and the associated locking recess (27) of the at least one locking pair are arranged on a common circular ring section (R3) about the further pivot axis (Y).
8. Lid stay according to any of claims 1 to 7,
   characterized in
   that at least two mutually associated locking pairs are arranged on the two drive discs (3) and the actuating arm (4), wherein the drive discs (3) each comprise at least one of the locking recesses (15) and the actuating arm (4) arranged between the two drive discs (3) comprises at least two of the locking projections (14).
9. Lid stay according to claim 8,
   characterized in
   that at least one spacer (17) is arranged between the two drive discs (3) and, in the released state, pushes the two axially elastic drive discs (3) axially apart.
10. Lid stay according to any of claims 1 to 7,
    characterized in
    that at least two mutually associated locking pairs are arranged on the two drive discs (3) and the actuating arm (4), wherein the drive discs (3) each comprise at least one of the locking projections (26) and the actuating arm (4) arranged between the two drive discs (3) comprises at least two of the locking recesses (27).
11. Lid stay according to claim 10,
    characterized in
    that in each case two of the locking projections (26) are arranged opposite one another in the axial direction and, in the released state, push the two axially elastic drive discs (3) axially apart.
12. Lid stay according to any of claims 1 to 11,
    characterized in
    that the at least one locking projection (14; 26) has an inclined sliding surface (17; 29).
13. Lid stay according to any of claims 1 to 12, characterized in that an end stop (31) is provided which limits the pivoting movement of the actuator arm (4) relative to the at least one drive disc (3).
14. Lid stay according to any of claims 1 to 13,
    characterized in
    that the at least one drive disc (3) comprises a setting contour (6) which extends from a starting point (21), at which the actuator (5) is supported when the lid stay is in a closed position, to an end point (22), at which the actuator (5) is supported when the lid stay is in an open position, wherein the actuator (5) is supported in the released state at the end point (22) of the setting contour (6).

Images