EP2856916B1 - Actuator assembly for an adjustable item of furniture for sitting or lying on and adjustable item of furniture for sitting or lying on - Google Patents
Actuator assembly for an adjustable item of furniture for sitting or lying on and adjustable item of furniture for sitting or lying on Download PDFInfo
- Publication number
- EP2856916B1 EP2856916B1 EP13186880.4A EP13186880A EP2856916B1 EP 2856916 B1 EP2856916 B1 EP 2856916B1 EP 13186880 A EP13186880 A EP 13186880A EP 2856916 B1 EP2856916 B1 EP 2856916B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spindle
- segment
- coupling element
- actuator
- actuator arrangement
- 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.)
- Not-in-force
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
- A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
- A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/56—Parts or details of tipping-up chairs, e.g. of theatre chairs
- A47C7/58—Hinges, e.g. for mounting chairs in a curved row
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
- A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
- A47C20/042—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by means of screw-and-nut mechanism
Definitions
- the invention relates to an actuator arrangement for an adjustable sitting or lying furniture, in particular for an adjustable bed or an adjustable comfort armchair.
- the invention further relates to an adjustable sitting or lying furniture with such an actuator assembly.
- An object on which the invention is based is to describe an improved actuator arrangement for an adjustable seat or reclining furniture and an adjustable seat or reclining furniture, which are characterized by a simple and particularly space-saving structural design.
- the actuator assembly has an actuatable by means of a drive for axial rotation spindle, which is mounted stationary.
- the actuator assembly further includes a sliding block mechanically coupled to the spindle, which is movable parallel to a longitudinal axis of the spindle upon actuation of the spindle.
- the actuator assembly comprises a respect to the spindle slidably mounted coupling element with a first link in which the sliding block is at least partially guided so that upon actuation of the spindle, the coupling element is moved to a mechanically coupled to the coupling element segment of the adjustable seat or Moving furniture.
- the actuator arrangement according to the first aspect provides that, for the movement of a segment of the adjustable sitting or lying furniture, only a spindle which can be actuated by means of a drive, a sliding block coupled to the spindle and a coupling element with a first slide are necessary.
- the sliding block coupled to the spindle is moved parallel or axially with respect to the longitudinal axis of the spindle.
- the direction of the coupling element is rotated for example by 90 ° relative to a direction of movement of the sliding block.
- Directions for example, at a certain angle with respect to the direction of movement of the sliding block conceivable.
- an actuator assembly for moving a segment of an adjustable sitting or lying furniture, which is characterized mainly by its compactness.
- the actuator assembly can be designed to save space and little space. As a result, for example, particularly slim frame racks for a sitting or lying furniture can be realized.
- the actuator assembly can be mounted anywhere on the frame, for example on one or two sides of the frame. This allows maximum flexibility in a frame construction. Due to the possible modularization, many different frame concepts can be designed with an actuator arrangement. Furthermore, only short levers or hinges are needed to adjust a segment of the reclining seat or reclining furniture. Furthermore, high ratios can be realized by means of the actuator arrangement. In addition, high forces can be achieved for adjusting a segment of the sitting or lying furniture.
- linear actuators would take up significantly more space or installation space.
- such linear actuators would be mounted under a bed frame so that the bed frame overall have a greater height and would be configured very spacious as compared to the described actuator assembly.
- the actuator assembly to the drive which a motor, in particular an electric motor, and coupled to the engine gearbox includes, wherein the transmission transmits a rotary motion to the spindle.
- the motor or the electric motor may for example be a DC motor.
- a gear is driven, which transmits a rotational movement to the spindle according to a ratio of the transmission.
- the spindle has an external thread and the sliding block has an internal thread, via which the sliding block is coupled to the external thread of the spindle.
- the coupling element is mechanically coupled to a further segment of the adjustable sitting or lying furniture, so that when moving the coupling element and the other segment is moved.
- the coupling element moves in one direction, on the one hand a thrust force is transmitted to a segment and on the other hand, a tensile force on the coupling element abuts the other segment.
- the first backdrop can with regard to their course produce different movement characteristics. This is dependent on the course of the first link, which may for example be curved and / or linear.
- the course may, for example, run exponentially or logarithmically and / or have several different sections with different curve functions. For example, it is possible that the course has different slopes.
- the translation of the drive of theoretically no translation, so at a parallel to the longitudinal axis of the spindle extending groove, theoretically infinite, ie at a orthogonal to the spindle extending first backdrop adjust, creating very high speeds or high forces are generated can. It is also possible to reverse a direction of movement of the coupling element during the course of the first slide, for example, if a gradient of the course of the first slide would be inverted.
- the coupling element is articulated via at least one lever articulated to the segment and / or with the other segment of the sitting or lying furniture.
- a rotational movement can be transmitted to a segment of the sitting or lying furniture in a simple manner by means of a lever.
- Such a lever can be made very compact and / or short, so that high forces can be transmitted.
- the coupling element has a coupling housing with a lid which can be fixed to the coupling housing and at least partially surrounds the sliding block and the spindle.
- the spindle and the sliding block against external influences, such as dust or against unauthorized access by a person.
- the cover or the coupling housing on the first backdrop is guaranteed.
- the sliding block and / or the spindle can be easily disassembled and replaced, for example.
- the sliding block is guided mechanically particularly securely and stably on the coupling element.
- forces that occur as a result of the rotational movement of the spindle are advantageously transmitted to the coupling element.
- the wear of the coupling element and / or the sliding block can be reduced.
- the actuator assembly is arranged in an actuator housing, wherein the actuator housing is fixed to the adjustable seat or reclining furniture, in particular on a frame, can be fixed.
- the actuator assembly modular and set depending on the application to an adjustable seating or reclining furniture. This allows a high degree of flexibility in the structural design of a sitting or lying furniture.
- the spindle is fixedly mounted on the actuator housing.
- the coupling element is displaceably mounted in the actuator housing.
- an adjustable recliner or lounge chair having at least two hinged segments and an actuator assembly according to the first aspect of the invention.
- the coupling element of the actuator assembly is mechanically coupled to at least one segment, so that upon actuation of the spindle movement of the coupling element is transmitted to the at least one segment for adjusting the at least one segment.
- the adjustable sitting or reclining furniture according to the second aspect essentially allows the aforementioned advantages. Further advantageous embodiments are described in the following detailed description of exemplary embodiments with the aid of the appended figures.
- FIG. 1 shows a perspective, schematic view of an actuator assembly 1 for an adjustable seat or Reclining furniture.
- the actuator arrangement has an actuator housing 3. It is in FIG. 1 a lid of the actuator housing 3 is not shown. Inside the actuator housing 3, a spindle 5 is stationarily mounted on the actuator housing 3. The spindle 5 is formed as a shaft and actuated by a drive, so that the spindle 5 can be axially rotated by means of the drive.
- the drive is in FIG. 1 not shown.
- the drive may comprise, for example, a motor, in particular an electric motor or a DC motor, and a gearbox coupled to the motor.
- the drive is in the in FIG. 1 left portion 7 of the actuator housing 3 can be arranged.
- the spindle 5 is mechanically coupled to a sliding block 9.
- the sliding block 9 is movable parallel to a longitudinal axis 11 of the spindle 5 upon actuation of the spindle 5.
- the sliding block 9 has an internal thread via which the sliding block 9 is mechanically engaged or coupled to an external thread of the spindle 5. The sliding block 9 is thus screwed onto the spindle 5.
- the actuator assembly 1 further comprises a relative to the spindle 5 slidably mounted coupling element 13, which has a first link 15.
- the sliding block 9 is guided in the first link 15 of the coupling element 13.
- the coupling element 13 is displaceably guided on the actuator housing 3.
- the coupling element 13 has a coupling housing 17 and a cover 19, and may also be referred to as a coupling box.
- actuator assembly 1 Further details of the actuator assembly 1 are based on Figures 2 and 3 each described one perspective, schematic partial section of the actuator assembly 1 is shown, which in particular the coupling element 13 shows enlarged.
- FIG. 2 shows an enlarged view of the coupling element 13 and FIG. 3 shows the actuator assembly 1 with an open coupling element 13, wherein the cover 19 of the coupling element 13 is removed from the coupling housing 17.
- the lid 19 can be fixed, for example, by means of screw connections to the coupling housing 17.
- Alternative joining techniques for securing the lid 19, such as gluing or riveting, are conceivable.
- the sliding block 9 as in FIG. 3 shown according to the double arrow direction 21 axially relative to the longitudinal axis 11 of the spindle 5 is shifted.
- the sliding block 9 is guided over the first link 15 of the coupling element 13 and the cover 19, the coupling element 13, which is slidably mounted on the actuator housing 3, moved.
- a direction of movement of the coupling element 13 is perpendicular to the longitudinal axis 11 corresponding to the double arrow 23.
- the coupling element 13 is guided on the actuator housing via ribs 25 which engage in a groove of the coupling housing 17 (not shown).
- the coupling element 13 executes a movement on actuation of the spindle 5, whose direction of movement is aligned at a different angle to the longitudinal axis 11 of the spindle. This is dependent on the structural design of the actuator housing 3 and the coupling element 13.
- the second link 27 of the first link 15 is arranged opposite, wherein the second link 27 is formed in the coupling housing 17, in particular in a bottom of the coupling housing 17.
- the sliding block 9 is structurally designed so that this with both the first link 15th as well as with the second link 27 is engaged. In this case, the sliding block 9 is guided simultaneously both in the first link 15 and in the second link 27.
- the sliding block 9 has two sliding engagement elements 10, which are guided essentially on two sides within the first link 15 or second link 27.
- the engagement elements 10 are designed to be elongate.
- Other structural embodiments of the engagement elements 10 are conceivable, for example, pin-shaped.
- the first link 15 and the second link 27 are in the embodiment according to the FIGS. 1 to 3 introduced into the cover 19 and in the coupling housing 17, wherein the first link 15 and the second link 27 are each formed as a slot.
- the first link 15 and / or the second link 27 are introduced as a pocket-shaped groove in the cover 19 and the coupling housing 17.
- first link 15 is provided on the coupling element 13.
- first link 15 either on the coupling housing 17 or be provided the lid 19.
- the sliding block 9 could only have a corresponding engagement element 10.
- the first slide 15 and / or the second slide 27 have in the exemplary embodiment a linear course, which has substantially the same slope.
- a course of the first link 15 and the second link 27 is at least partially curved.
- a history could be exponential or logarithmic.
- the course can initially run substantially parallel to the longitudinal axis 11 of the spindle 5 and then open into a steeply extending section.
- the course of the first link 15 and the second link 27 can thus also transfer different levels of force. The greater a pitch angle of the course of the first link 15 and the second link 27 with respect to the longitudinal axis 11, the higher the forces and the higher speeds of movement of the coupling element 13 are implemented.
- a lever 29 is attached to the coupling element 13.
- the lever 29 is attached to a front side 30 of the coupling element 13.
- the actuator arrangement 1 can be articulated, for example, with a segment of an adjustable sitting or lying furniture, so that the segment of the sitting or lying furniture can be moved or rotated.
- FIGS. 4 to 6 each perspectively an adjustable reclining furniture 31, in particular a frame 33 for a bed shown. It is in FIG. 6 a perspective partial section of the reclining furniture 31 shown.
- the adjustable reclining furniture 31 has an actuator assembly 1.
- the actuator assembly 1 is attached to the frame 33.
- the frame 33 has a first longitudinal side 36 and a second longitudinal side 38, wherein the actuator assembly 1 is attached to the first longitudinal side 36 or in the region of the first longitudinal axis 36.
- the actuator assembly 1 may be mounted in a different area on the frame 33, for example centrally with respect to the two longitudinal sides 36 and 38.
- the actuator assembly 1 is fixed to the frame 33, for example via screw. Other connection techniques are conceivable.
- the actuator assembly 1 is fixedly positioned on the frame 33 and the first segment 35 is arranged so that the actuator assembly 1 relative to the frame 33 can not be moved or moved.
- the frame 33 has a first segment 35 and a second segment 37 which are hinged together are.
- the second segment 37 is a head part and can be pivoted relative to the first segment 35.
- the frame 33 provides on the two longitudinal sides 36 and 38 in each case a joint (not shown).
- the coupling element 13 Upon actuation of the spindle 5, as shown in the FIGS. 1 to 3 described, the coupling element 13 is moved parallel to the two longitudinal sides 36 and 38 of the frame 33 relative.
- the lever 29 is mechanically coupled to the second segment 27 in a hinge 39.
- the second segment 37 around the in FIG. 4 not shown joint between the two segments 35 and 37 is pivoted. The pivoting takes place in accordance with a direction of rotation 41.
- FIG. 4 the frame 33 is shown from a bottom, while in FIG. 5 the frame is shown from a top.
- the frame 33 requires a total of only a small overall height 43 together with the actuator assembly 1 (see FIGS. 4 and 5 ).
- the actuator assembly 1 is designed very flat, which can be very slim, flat and / or space-saving frame rests 33 realize.
- FIG. 6 a section of the reclining furniture 31 is shown in which the arrangement of the actuator assembly 1 is shown enlarged on the frame 33.
- the actuator assembly 1 which in the FIGS. 4 to 6 is arranged on the first longitudinal side 36 of the frame 33,
- a further, substantially analog actuator assembly 1 with a drive on the opposite second longitudinal side 38 may be arranged.
- the drives of the two actuator arrangements 1 can be electrically synchronized, so that both actuator arrangements 1 can be actuated simultaneously.
- the mechanical stability and rigidity of the frame 33 and / or a segment of an adjustable sitting or lying furniture, such as the second segment 37 according to the FIGS. 4 to 6 increased when pivoting the segment.
- FIG. 7 is a perspective, schematic view of another implementation of an actuator assembly 1 with an actuator housing 3 shown.
- the actuator assembly 1 has largely the features described above, so that they will not be described again. Differences between the embodiments will now be discussed in detail.
- the actuator assembly 1 has two coupling elements 13, each with a sliding block 9.
- the coupling elements 13 are corresponding to the basis of FIGS. 1 to 6 formed embodiment and fixed respectively to the actuator housing 3.
- the actuator assembly 1 has a spindle 5, which is mechanically coupled with two sliding blocks 9 of the coupling elements 13. It is thus at the spindle 5 to a continuous shaft.
- FIG. 7 a possible embodiment of a drive 45 with a transmission shown.
- the drive 45 is arranged in a corresponding region within the actuator housing 3 and stored there, for example.
- the drive 45 drives by means of a motor and a gearbox mechanically coupled thereto to the spindle 5, which actuates the two sliding blocks 9 of the two coupling elements 13.
- the drive 45 thus represents a one-sided drive 45.
- the two coupling elements 13 each have the first link 15, which, however, have an opposite course.
- the two coupling elements 13 In order to move the two levers and thus, for example, a segment of an adjustable sitting or lying furniture, it is necessary that the two coupling elements 13 substantially synchronously, that is moved or moved in a same direction of movement according to the double arrow 23 upon actuation of the drive 45 become.
- the spindle 5 in a first region 47, in which the sliding block 9 of in FIG. 7 left arranged coupling element 13 is moved, a left-handed external thread and in a second region 49, in which the sliding block 9 of the in FIG. 7 right arranged coupling element 13 is moved, a right-handed thread on.
- the two thread variants can alternatively be reversed.
- a drive unit By providing a right- and a left-handed thread axial forces on the drive 45, which can also be referred to as a drive unit can be reduced particularly well. This reduces a closure of the drive 45 and / or the components of the actuator arrangement 1 involved in the movement transmission.
- the actuator assembly 1 can be configured modular and depending on the application.
- actuator assembly 1 makes it possible that a mechanically coupled to the levers 29 segment of an adjustable sitting or lying furniture 31 at two points, ie at two coupling points of the lever 29 with the segment, can be actuated.
- a load for example a weight force of a person sitting on the reclining furniture 31, can be introduced symmetrically onto the actuator arrangement.
- the power flow is shared between both levers 29 and both coupling elements 13.
- Another advantage is that this improves the rigidity properties of the frame 33 as a whole and / or of the segment to be adjusted.
- the arrangement of the coupling elements 13 with respect to the longitudinal axis 11 of the spindle 5 can be seen only by way of example.
- the spindle 5 can be shorter and the coupling elements 13 can be arranged closer to each other.
- FIG. 8 shows a perspective, schematic partial view of a reclining furniture 31 with an actuator assembly 1, which is designed according to another embodiment.
- the actuator assembly 1 essentially has the features of the actuator assembly 1 according to the FIG. 7 on, with the difference that the drive 45 is arranged between the two coupling elements 13.
- the drive 45 drives two spindles 5, wherein a spindle 5, the in FIG. 8 Left arranged coupling element 13 is actuated and a spindle 5 in FIG. 8 right arranged coupling element 13 is actuated.
- the drive 45 is a double-sided drive 45.
- the drive 45 may have a transmission, via which a motor actuates the two spindles 5.
- the two spindles 5 can be actuated by a separate gear from the motor of the drive 45, for example, different translations for each coupling elements 13 are adjustable.
- 13 different movement speeds can be adjusted by means of a drive 45 for both coupling elements and thus different forces are transmitted.
- the actuator assembly 1 according to FIG. 8 essentially allows the aforementioned advantages with respect to in FIG. 7 described embodiment.
- FIG. 9 shows a schematic side view of an adjustable reclining furniture 31.
- the reclining furniture 31 is disposed near a wall 51.
- the reclining furniture has a first segment 35, a second segment 37 and a third segment 38.
- the first segment 35 is hingedly connected to the second segment 37 and the third segment 38, respectively.
- the second segment 37 is, for example, a head part of the reclining furniture 31 and the third segment 38 is, for example, a foot part of the reclining furniture 31.
- the first segment 35 is fixedly connected to a floor via bearings 53 (shown schematically).
- the distance X 0 may be, for example, the distance at which the reclining furniture 31 is the shortest distance having an element to the wall 51. Other definitions of the distance are conceivable.
- the second segment 37 pivots, for example into an in FIG. 9 Dashed line position 37 ', so the first distance X 0 increases such that the second segment 37 or the reclining furniture has a second distance X 1 to the wall.
- Such an increase in distance is undesirable since, for example, this would change the position of a person with respect to a bedside table or the like and the bedside table may no longer be within reach.
- the stationary connection of the first segment 35 is released and allows a horizontal displacement.
- This can be realized, for example, by means of a sub-frame 55 and a rail system, as in FIG. 10 shown.
- the sub-frame 55 is fixedly mounted on the bottom of the bearings 53.
- an actuator arrangement 1 would thus move the first segment horizontally, while the other actuator arrangement 1 would pivot the second segment 37.
- an actuator assembly 1 may be provided in which the coupling element 13 is mechanically coupled on the one hand for pivoting the second segment 37 with the second segment 37 and on the other hand is mechanically coupled to the first segment 35.
- a significant advantage of the described actuator assemblies 1 and reclining furniture 31 is that short levers and high ratios can be realized. Thus, large forces can be transmitted.
- an actuator assembly 1 can be constructed only of very few parts.
- an actuator assembly 1 can be used modularly as described. It should be noted that the described actuator arrangements 1 can also be arranged in a seating furniture. In this case, the actuator assemblies 1 can each be fixed to a frame or base frame of the chair.
- an actuator assembly 1 is not arranged in a separate actuator housing 3, but for example, are arranged directly on a frame of a sitting or lying furniture to meet the described functions and advantages.
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Description
Die Erfindung betrifft eine Aktuatoranordnung für ein verstellbares Sitz- oder Liegemöbel, insbesondere für ein verstellbares Bett oder einen verstellbaren Komfortsessel.The invention relates to an actuator arrangement for an adjustable sitting or lying furniture, in particular for an adjustable bed or an adjustable comfort armchair.
Die Erfindung betrifft des Weiteren ein verstellbares Sitz- oder Liegemöbel mit einer solchen Aktuatoranordnung.The invention further relates to an adjustable sitting or lying furniture with such an actuator assembly.
Für elektrisch verstellbare Möbel, vor allem für Betten und Komfortsessel, werden unterschiedliche Aktuatorsysteme verwendet. Diese werden mit Gestängen kombiniert, um dadurch eine geeignete Kinematik bereitzustellen, welche notwendige Kräfte zur Betätigung der Kinematik aufbringen kann (wie z.B. in der
Eine Aufgabe, welche der Erfindung zugrunde liegt, ist es, eine verbesserte Aktuatoranordnung für ein verstellbares Sitz- oder Liegemöbel sowie ein verstellbares Sitz- oder Liegemöbel zu beschreiben, welches sich durch eine einfache und besonders platzsparende konstruktive Ausgestaltung auszeichnen.An object on which the invention is based is to describe an improved actuator arrangement for an adjustable seat or reclining furniture and an adjustable seat or reclining furniture, which are characterized by a simple and particularly space-saving structural design.
Gemäß einem ersten Aspekt der Erfindung wird eine Aktuatoranordnung für ein verstellbares Sitz- oderAccording to a first aspect of the invention, an actuator assembly for an adjustable seat or
Liegemöbel, insbesondere für ein verstellbares Bett oder einen verstellbaren Komfortsessel, offenbart. Die Aktuatoranordnung weist eine mittels eines Antriebes zum axialen Verdrehen betätigbare Spindel auf, welche ortsfest gelagert ist. Die Aktuatoranordnung weist des Weiteren einen mechanisch mit der Spindel gekoppelten Gleitstein auf, welcher bei einer Betätigung der Spindel parallel bezüglich einer Längsachse der Spindel bewegbar ist. Weiter weist die Aktuatoranordnung ein bezüglich der Spindel verschiebbar gelagertes Koppelelement mit einer ersten Kulisse auf, in welcher der Gleitstein zumindest teilweise geführt ist, sodass bei einer Betätigung der Spindel das Koppelelement verschoben wird, um ein mit dem Koppelelement mechanisch koppelbares Segment des verstellbaren Sitz- oder Liegemöbels zu bewegen.Reclining furniture, in particular for an adjustable bed or an adjustable comfort chair disclosed. The actuator assembly has an actuatable by means of a drive for axial rotation spindle, which is mounted stationary. The actuator assembly further includes a sliding block mechanically coupled to the spindle, which is movable parallel to a longitudinal axis of the spindle upon actuation of the spindle. Next, the actuator assembly comprises a respect to the spindle slidably mounted coupling element with a first link in which the sliding block is at least partially guided so that upon actuation of the spindle, the coupling element is moved to a mechanically coupled to the coupling element segment of the adjustable seat or Moving furniture.
Die Aktuatoranordnung gemäß dem ersten Aspekt sieht vor, dass zur Bewegung eines Segments des verstellbaren Sitz- oder Liegemöbels lediglich eine mittels eines Antriebes betätigbare Spindel, ein mit der Spindel gekoppelter Gleitstein sowie ein Koppelelement mit einer ersten Kulisse notwendig sind.The actuator arrangement according to the first aspect provides that, for the movement of a segment of the adjustable sitting or lying furniture, only a spindle which can be actuated by means of a drive, a sliding block coupled to the spindle and a coupling element with a first slide are necessary.
Durch eine Drehbewegung der Spindel wird der mit der Spindel gekoppelte Gleitstein parallel beziehungsweise axial bezüglich der Längsachse der Spindel bewegt. Dadurch, dass der Gleitstein zusätzlich in der ersten Kulisse des Koppelelements geführt ist, wird das Koppelelement, welches verschiebbar gelagert ist, in seiner Position geändert und in einer Richtung verschoben. Die Richtung des Koppelelements ist beispielsweise um 90° gegenüber einer Bewegungsrichtung des Gleitsteins verdreht. Alternativ sind auch andere Richtungen, beispielsweise unter einem bestimmten Winkel bezüglich der Bewegungsrichtung des Gleitsteins, denkbar.By a rotational movement of the spindle, the sliding block coupled to the spindle is moved parallel or axially with respect to the longitudinal axis of the spindle. The fact that the sliding block is additionally guided in the first link of the coupling element, the coupling element, which is slidably mounted, changed in position and moved in one direction. The direction of the coupling element is rotated for example by 90 ° relative to a direction of movement of the sliding block. Alternatively, there are others Directions, for example, at a certain angle with respect to the direction of movement of the sliding block conceivable.
Somit ist es möglich, mittels weniger Komponenten eine Aktuatoranordnung zum Bewegen eines Segments eines verstellbaren Sitz- oder Liegemöbels bereitzustellen, welche sich vor allem durch seine Kompaktheit auszeichnet. Die Aktuatoranordnung kann sehr platzsparend und wenig raumgreifend ausgebildet sein. Dadurch lassen sich beispielsweise besonders schlanke Rahmengestelle für ein Sitz- oder Liegemöbel verwirklichen. Die Aktuatoranordnung kann an jeder beliebigen Stelle des Rahmens, beispielsweise auch an einer oder an zwei Seiten des Rahmengestells, montiert werden. Das ermöglicht eine maximale Flexibilität bei einer Rahmengestellkonstruktion. Durch die mögliche Modularisierung können mit einer Aktuatoranordnung viele verschiedene Rahmenkonzepte ausgestaltet werden. Des Weiteren sind nur kurze Hebel oder Gelenkverbindungen notwendig, um ein Segment des verstellbaren Sitz- oder Liegemöbels zu verstellen. Des Weiteren sind mittels der Aktuatoranordnung hohe Übersetzungen realisierbar. Zudem können hohe Kräfte zum Verstellen eines Segments des Sitz- oder Liegemöbels erzielt werden. Im Gegensatz zu der Aktuatoranordnung würden beispielsweise Linearaktuatoren deutlich mehr Platz oder Bauraum beanspruchen. Beispielsweise würden solche Linearaktuatoren derart unter einem Bettgestell montiert sein, dass das Bettgestell insgesamt eine größere Bauhöhe aufweisen und sehr raumgreifend ausgestaltet sein würde im Vergleich zu der beschriebenen Aktuatoranordnung.Thus, it is possible to provide by means of fewer components an actuator assembly for moving a segment of an adjustable sitting or lying furniture, which is characterized mainly by its compactness. The actuator assembly can be designed to save space and little space. As a result, for example, particularly slim frame racks for a sitting or lying furniture can be realized. The actuator assembly can be mounted anywhere on the frame, for example on one or two sides of the frame. This allows maximum flexibility in a frame construction. Due to the possible modularization, many different frame concepts can be designed with an actuator arrangement. Furthermore, only short levers or hinges are needed to adjust a segment of the reclining seat or reclining furniture. Furthermore, high ratios can be realized by means of the actuator arrangement. In addition, high forces can be achieved for adjusting a segment of the sitting or lying furniture. In contrast to the actuator arrangement, for example, linear actuators would take up significantly more space or installation space. For example, such linear actuators would be mounted under a bed frame so that the bed frame overall have a greater height and would be configured very spacious as compared to the described actuator assembly.
Gemäß einer Ausgestaltung weist die Aktuatoranordnung den Antrieb auf, welcher einen Motor, insbesondere einen Elektromotor, und ein mit dem Motor gekoppeltes Getriebe umfasst, wobei das Getriebe eine Drehbewegung auf die Spindel überträgt. Der Motor beziehungsweise der Elektromotor kann beispielsweise ein Gleichstrommotor sein. Mittels des Motors wird ein Getriebe angetrieben, welches entsprechend einer Übersetzung des Getriebes eine Drehbewegung auf die Spindel überträgt. Somit kann auf einfache Weise eine Rotationsbeziehungsweise Drehbewegung der Spindel erzielt werden, wobei die Drehgeschwindigkeit der Spindel von der Übersetzung des Getriebes beziehungsweise einer Geschwindigkeit des Motors abhängt.According to one embodiment, the actuator assembly to the drive, which a motor, in particular an electric motor, and coupled to the engine gearbox includes, wherein the transmission transmits a rotary motion to the spindle. The motor or the electric motor may for example be a DC motor. By means of the motor, a gear is driven, which transmits a rotational movement to the spindle according to a ratio of the transmission. Thus, a Drehbeziehungsweise rotational movement of the spindle can be achieved in a simple manner, the rotational speed of the spindle depends on the ratio of the transmission or a speed of the motor.
Gemäß einer weiteren Ausgestaltung weist die Spindel ein Außengewinde auf und der Gleitstein ein Innengewinde, über welches der Gleitstein mit dem Außengewinde der Spindel gekoppelt ist. Somit können hohe Kräfte durch eine Drehbewegung der Spindel auf dem Gleitstein und somit auf das Koppelelement übertragen werden.According to a further embodiment, the spindle has an external thread and the sliding block has an internal thread, via which the sliding block is coupled to the external thread of the spindle. Thus, high forces can be transmitted by a rotational movement of the spindle on the sliding block and thus on the coupling element.
Gemäß einer weiteren Ausgestaltung ist das Koppelelement mit einem weiteren Segment des verstellbaren Sitz- oder Liegemöbels mechanisch koppelbar, sodass bei einem Verschieben des Koppelelements auch das weitere Segment bewegt wird. Somit ist es möglich, zwei Segmente eines verstellbaren Sitz- oder Liegemöbels gleichzeitig zu bewegen. Beispielsweise kann somit ein Kopfteil und ein Fußteil eines Bettes bewegt werden. Dabei bewegt sich das Koppelelement in eine Richtung, wobei einerseits eine Schubkraft auf ein Segment übertragen wird und andererseits eine Zugkraft über das Koppelelement an dem anderen Segment anliegt.According to a further embodiment, the coupling element is mechanically coupled to a further segment of the adjustable sitting or lying furniture, so that when moving the coupling element and the other segment is moved. Thus, it is possible to move two segments of an adjustable sitting or lying furniture at the same time. For example, thus a headboard and a footboard of a bed can be moved. In this case, the coupling element moves in one direction, on the one hand a thrust force is transmitted to a segment and on the other hand, a tensile force on the coupling element abuts the other segment.
Gemäß einer weiteren Ausgestaltung weist die erste Kulisse einen Verlauf auf, welcher zumindest teilweise linear und/oder geschwungen verläuft. Die erste Kulisse kann hinsichtlich ihres Verlaufes unterschiedliche Bewegungscharakteristika erzeugen. Dies ist abhängig von dem Verlauf der ersten Kulisse, welcher beispielsweise geschwungen und/oder linear verlaufen kann. Der Verlauf kann beispielsweise exponentiell oder logarithmisch verlaufen und/oder mehrere unterschiedliche Abschnitte mit verschiedenen Kurvenfunktionen aufweisen. So ist es beispielsweise möglich, dass der Verlauf unterschiedliche Steigungen aufweist. Somit lässt sich die Übersetzung des Antriebes von theoretisch keiner Übersetzung, also bei einer parallel zu der Längsachse der Spindel verlaufenden Nut, bis theoretisch unendlich, also bei einer orthogonal zu der Spindel verlaufenden ersten Kulisse, einstellen, wodurch sehr hohe Geschwindigkeiten oder hohe Kräfte erzeugt werden können. Auch ist es möglich, während des Verlaufs der ersten Kulisse eine Bewegungsrichtung des Koppelelements umzukehren, wenn beispielsweise eine Steigung des Verlaufs der ersten Kulisse invertiert würde.According to a further embodiment, the first link on a course which extends at least partially linear and / or curved. The first backdrop can with regard to their course produce different movement characteristics. This is dependent on the course of the first link, which may for example be curved and / or linear. The course may, for example, run exponentially or logarithmically and / or have several different sections with different curve functions. For example, it is possible that the course has different slopes. Thus, the translation of the drive of theoretically no translation, so at a parallel to the longitudinal axis of the spindle extending groove, theoretically infinite, ie at a orthogonal to the spindle extending first backdrop adjust, creating very high speeds or high forces are generated can. It is also possible to reverse a direction of movement of the coupling element during the course of the first slide, for example, if a gradient of the course of the first slide would be inverted.
Gemäß einer weiteren Ausgestaltung ist das Koppelelement über wenigstens einen Hebel gelenkig mit dem Segment und/oder mit dem weiteren Segment des Sitz- oder Liegemöbels koppelbar. Somit lässt sich auf einfache Art und Weise mittels eines Hebels eine Drehbewegung auf ein Segment des Sitz- oder Liegemöbels übertragen. Ein derartiger Hebel kann sehr kompakt und/oder kurz ausgestaltet sein, sodass hohe Kräfte übertragen werden können.According to a further embodiment, the coupling element is articulated via at least one lever articulated to the segment and / or with the other segment of the sitting or lying furniture. Thus, a rotational movement can be transmitted to a segment of the sitting or lying furniture in a simple manner by means of a lever. Such a lever can be made very compact and / or short, so that high forces can be transmitted.
Gemäß einer weiteren Ausgestaltung weist das Koppelelement ein Koppelgehäuse mit einem an dem Koppelgehäuse festlegbaren Deckel auf, welche den Gleitstein und die Spindel zumindest teilweise umgeben. Somit können die Spindel und der Gleitstein vor äußeren Einflüssen, wie beispielsweise Staub oder vor unbefugtem Zugriff durch eine Person, geschützt werden.According to a further embodiment, the coupling element has a coupling housing with a lid which can be fixed to the coupling housing and at least partially surrounds the sliding block and the spindle. Thus, the spindle and the sliding block against external influences, such as dust or against unauthorized access by a person.
Gemäß einer weiteren Ausgestaltung weist der Deckel oder das Koppelgehäuse die erste Kulisse auf. Durch die Ausgestaltung des Koppelelements als Koppelgehäuse und Deckel ist eine einfache und handhabbare Montage gewährleistet. Insbesondere können der Gleitstein und/oder die Spindel leicht demontiert und beispielsweise ausgetauscht werden.According to a further embodiment, the cover or the coupling housing on the first backdrop. The design of the coupling element as a coupling housing and cover a simple and manageable installation is guaranteed. In particular, the sliding block and / or the spindle can be easily disassembled and replaced, for example.
Gemäß einer weiteren Ausgestaltung weist der Deckel die erste Kulisse und das Koppelgehäuse eine zweite Kulisse auf, wobei die zweite Kulisse einen gleichen Verlauf wie die erste Kulisse aufweist und der ersten Kulisse gegenüberliegt, wobei der Gleitstein gleichzeitig sowohl in der ersten Kulisse als auch in der zweiten Kulisse zumindest teilweise geführt ist. Dadurch ist der Gleitstein mechanisch besonders sicher und stabil an dem Koppelelement geführt. Insbesondere werden dadurch auftretende Kräfte durch die Drehbewegung der Spindel günstig auf das Koppelelement übertragen. Zudem kann dadurch der Verschleiß des Koppelelements und/oder des Gleitsteins reduziert werden.According to a further embodiment, the cover, the first link and the coupling housing on a second backdrop, wherein the second link has a same course as the first link and the first link opposite, wherein the sliding block simultaneously in both the first link and in the second Scenery is at least partially guided. As a result, the sliding block is guided mechanically particularly securely and stably on the coupling element. In particular, forces that occur as a result of the rotational movement of the spindle are advantageously transmitted to the coupling element. In addition, thereby the wear of the coupling element and / or the sliding block can be reduced.
Gemäß einer weiteren Ausgestaltung ist die Aktuatoranordnung in einem Aktuatorgehäuse angeordnet, wobei das Aktuatorgehäuse ortsfest an dem verstellbaren Sitz- oder Liegemöbel, insbesondere an einem Rahmengestell, festlegbar ist. Somit ist es möglich, die Aktuatoranordnung modular auszugestalten und je nach Anwendungsfall an einem verstellbaren Sitz- oder Liegemöbel festzulegen. Dadurch ist eine hohe Flexibilität bei der konstruktiven Ausgestaltung eines Sitz- oder Liegemöbels ermöglicht.According to a further embodiment, the actuator assembly is arranged in an actuator housing, wherein the actuator housing is fixed to the adjustable seat or reclining furniture, in particular on a frame, can be fixed. Thus, it is possible to design the actuator assembly modular and set depending on the application to an adjustable seating or reclining furniture. This allows a high degree of flexibility in the structural design of a sitting or lying furniture.
Gemäß einer weiteren Ausgestaltung ist die Spindel ortsfest an dem Aktuatorgehäuse gelagert.According to a further embodiment, the spindle is fixedly mounted on the actuator housing.
Gemäß einer weiteren Ausgestaltung ist das Koppelelement in dem Aktuatorgehäuse verschiebbar gelagert.According to a further embodiment, the coupling element is displaceably mounted in the actuator housing.
Gemäß einem zweiten Aspekt der Erfindung wird ein verstellbares Sitz- oder Liegemöbel offenbart, welches wenigstens zwei gelenkig verbundene Segmente und eine Aktuatoranordnung gemäß dem ersten Aspekt der Erfindung aufweist. Dabei ist das Koppelelement der Aktuatoranordnung mechanisch mit wenigstens einem Segment gekoppelt, sodass bei Betätigung der Spindel eine Bewegung des Koppelelements auf das wenigstens eine Segment zum Verstellen des wenigstens einen Segments übertragen wird.According to a second aspect of the invention, there is disclosed an adjustable recliner or lounge chair having at least two hinged segments and an actuator assembly according to the first aspect of the invention. In this case, the coupling element of the actuator assembly is mechanically coupled to at least one segment, so that upon actuation of the spindle movement of the coupling element is transmitted to the at least one segment for adjusting the at least one segment.
Das verstellbare Sitz- oder Liegemöbel gemäß dem zweiten Aspekt ermöglicht im Wesentlichen die vorgenannten Vorteile. Weitere vorteilhafte Ausgestaltungen sind in der nachfolgenden, ausführlichen Beschreibung von Ausführungsbeispielen unter Zuhilfenahme der angehängten Figuren beschrieben.The adjustable sitting or reclining furniture according to the second aspect essentially allows the aforementioned advantages. Further advantageous embodiments are described in the following detailed description of exemplary embodiments with the aid of the appended figures.
Elemente gleicher Funktion oder Konstruktion sind figurenübergreifend mit den gleichen Bezugszeichen versehen.Elements of the same function or construction are provided across the figures with the same reference numerals.
In den Figuren zeigen:
- Figur 1
- eine perspektivische, schematische Ansicht einer Aktuatoranordnung mit einem Aktuatorgehäuse,
- Figur 2
- eine perspektivische, schematische Teilansicht der Aktuatoranordnung mit dem Koppelelement,
Figur 3- eine zweite perspektivische, schematische Teilansicht der Aktuatoranordnung mit dem Koppelelement,
- Figur 4
- eine perspektivische, schematische Ansicht eines verstellbaren Liegemöbels mit der Aktuatoranordnung,
Figur 5- eine zweite perspektivische, schematische Ansicht des verstellbaren Liegemöbels mit der Aktuatoranordnung,
- Figur 6
- eine perspektivische, schematische Teilansicht des verstellbaren Liegemöbels mit der Aktuatoranordnung,
- Figur 7
- eine perspektivische, schematische Ansicht einer weiteren Aktuatoranordnung mit einem Aktuatorgehäuse,
- Figur 8
- eine perspektivische, schematische Teilansicht eines verstellbaren Liegemöbels mit einer weiteren Aktuatoranordnung,
Figur 9- eine schematische Seitenansicht eines verstellbaren Liegemöbels in einer Wandnähe und
- Figur 10
- eine zweite schematisch Seitenansicht eines verstellbaren Liegemöbels in einer Wandnähe.
- FIG. 1
- a perspective, schematic view of an actuator assembly with an actuator housing,
- FIG. 2
- a perspective, schematic partial view of the actuator assembly with the coupling element,
- FIG. 3
- a second perspective, schematic partial view of the actuator assembly with the coupling element,
- FIG. 4
- a perspective, schematic view of an adjustable reclining furniture with the actuator assembly,
- FIG. 5
- a second perspective, schematic view of the adjustable reclining furniture with the actuator assembly,
- FIG. 6
- a perspective, schematic partial view of the adjustable reclining furniture with the actuator assembly,
- FIG. 7
- a perspective, schematic view of another actuator assembly with an actuator housing,
- FIG. 8
- a perspective, schematic partial view of an adjustable reclining furniture with a further actuator assembly,
- FIG. 9
- a schematic side view of an adjustable reclining furniture in a wall near and
- FIG. 10
- a second schematic side view of an adjustable reclining furniture in a wall.
Die Spindel 5 ist mechanisch mit einem Gleitstein 9 gekoppelt. Der Gleitstein 9 ist bei einer Betätigung der Spindel 5 parallel zu einer Längsachse 11 der Spindel 5 bewegbar. Der Gleitstein 9 weist hierzu ein Innengewinde auf, über welches der Gleitstein 9 mit einem Außengewinde der Spindel 5 mechanisch im Eingriff ist beziehungsweise gekoppelt ist. Der Gleitstein 9 ist also auf die Spindel 5 aufgeschraubt.The
Die Aktuatoranordnung 1 weist des Weiteren ein bezüglich der Spindel 5 verschiebbar gelagertes Koppelelement 13 auf, welches eine erste Kulisse 15 aufweist. Der Gleitstein 9 ist in der ersten Kulisse 15 des Koppelelements 13 geführt. Das Koppelelement 13 ist verschiebbar an dem Aktuatorgehäuse 3 geführt. Das Koppelelement 13 weist ein Koppelgehäuse 17 sowie einen Deckel 19 auf, und kann auch als Koppelkasten bezeichnet werden.The actuator assembly 1 further comprises a relative to the
Weitere Details der Aktuatoranordnung 1 sind anhand der
Durch Betätigung der Spindel 5 wird der Gleitstein 9 wie in
In anderen konstruktiven Ausgestaltungen ist es denkbar, dass das Koppelelement 13 bei Betätigung der Spindel 5 eine Bewegung ausführt, deren Bewegungsrichtung in einem anderen Winkel zu der Längsachse 11 der Spindel ausgerichtet ist. Dies ist abhängig von der konstruktiven Ausgestaltung des Aktuatorgehäuses 3 und des Koppelelements 13.In other constructive embodiments, it is conceivable that the
Wie in
Im Ausführungsbeispiel sind die Eingriffselemente 10 länglich ausgestaltet. Andere konstruktive Ausgestaltungen der Eingriffselemente 10 sind denkbar, beispielsweise stiftförmig.In the exemplary embodiment, the engagement elements 10 are designed to be elongate. Other structural embodiments of the engagement elements 10 are conceivable, for example, pin-shaped.
Die erste Kulisse 15 und die zweite Kulisse 27 sind im Ausführungsbeispiel gemäß der
Des Weiteren ist es alternativ möglich, dass nur eine erste Kulisse 15 an dem Koppelelement 13 vorgesehen ist. Dabei kann die erste Kulisse 15 entweder an dem Koppelgehäuse 17 oder dem Deckel 19 vorgesehen sein. In einer solchen Ausgestaltung könnte der Gleitstein 9 nur ein entsprechendes Eingriffselement 10 aufweisen.Furthermore, it is alternatively possible that only a
Die erste Kulisse 15 und/oder die zweite Kulisse 27 weisen im Ausführungsbeispiel einen linearen Verlauf auf, welcher im Wesentlichen eine gleiche Steigung besitzt. Alternativ ist es auch denkbar, dass ein Verlauf der ersten Kulisse 15 beziehungsweise der zweiten Kulisse 27 zumindest teilweise geschwungen verläuft. Beispielsweise könnte ein Verlauf exponentiell oder logarithmisch verlaufen. Beispielsweise kann der Verlauf zunächst im Wesentlichen parallel zu der Längsachse 11 der Spindel 5 verlaufen und anschließend in einen steil verlaufenden Abschnitt münden. Somit ist es möglich, unterschiedliche Bewegungsgeschwindigkeiten des Koppelelements 13 bei Betätigung der Spindel 5 zu realisieren. Abhängig von dem Verlauf der ersten Kulisse 15 beziehungsweise der zweiten Kulisse 27 lassen sich somit auch unterschiedlich hohe Kräfte übertragen. Je größer ein Steigungswinkel des Verlaufs der ersten Kulisse 15 beziehungsweise der zweiten Kulisse 27 bezüglich der Längsachse 11 ist, desto höhere Kräfte und desto höhere Bewegungsgeschwindigkeiten des Koppelelements 13 werden umgesetzt.The
Durch die beliebige Formgebung des Verlaufs der ersten Kulisse 15 beziehungsweise der zweiten Kulisse 27 können also unterschiedliche Bewegungscharakteristika des Koppelelements 13 beziehungsweise bei einem mechanisch mit dem Koppelelement 13 gekoppelten Segment eines Sitz- oder Liegemöbels erzeugt werden.By the arbitrary shape of the course of the
Wie in
Beispielhaft ist in
Das verstellbare Liegemöbel 31 weist eine Aktuatoranordnung 1 auf. Die Aktuatoranordnung 1 ist dabei an dem Rahmengestell 33 angebracht. Das Rahmengestell 33 weist eine erste Längsseite 36 und eine zweite Längsseite 38 auf, wobei die Aktuatoranordnung 1 an der ersten Längsseite 36 oder im Bereich der ersten Längsachse 36 angebracht ist. Alternativ kann die Aktuatoranordnung 1 auch in einem anderen Bereich an dem Rahmengestell 33 angebracht sein, beispielsweise mittig bezüglich der beiden Längsseiten 36 und 38. Die Aktuatoranordnung 1 ist an dem Rahmengestell 33 beispielsweise über Schraubverbindungen festgelegt. Andere Verbindungstechniken sind denkbar. Insbesondere ist die Aktuatoranordnung 1 positionsfest an dem Rahmengestell 33 beziehungsweise dem ersten Segment 35 angeordnet ist, sodass die Aktuatoranordnung 1 relativ bezüglich dem Rahmengestell 33 nicht verschoben oder bewegt werden kann.The
Das Rahmengestell 33 weist ein erstes Segment 35 und ein zweites Segment 37 auf, welche gelenkig miteinander verbunden sind. Beispielsweise ist das zweite Segment 37 ein Kopfteil und kann gegenüber dem ersten Segment 35 verschwenkt werden. Hierzu sieht das Rahmengestell 33 an den beiden Längsseiten 36 und 38 jeweils ein Gelenk (nicht gezeigt) vor.The
Bei Betätigung der Spindel 5, wie gemäß der
In
Das Rahmengestell 33 benötigt insgesamt nur eine geringe Bauhöhe 43 zusammen mit der Aktuatoranordnung 1 (siehe
In
In einer alternativen Ausführungsform kann die Aktuatoranordnung 1, welche in den
In
Die Aktuatoranordnung 1 weist zwei Koppelelemente 13 mit jeweils einem Gleitstein 9 auf. Die Koppelelemente 13 sind entsprechend der anhand von
Weiter ist in
Die beiden Koppelelemente 13 weisen jeweils die erste Kulisse 15 auf, welche jedoch einen gegenläufigen Verlauf aufweisen. Um die beiden Hebel und somit beispielsweise ein Segment eines verstellbaren Sitz- oder Liegemöbels zu bewegen, ist es notwendig, dass die beiden Koppelelemente 13 im Wesentlichen synchron, das heißt in einer selben Bewegungsrichtung gemäß dem Doppelpfeil 23, bei Betätigung des Antriebs 45 bewegt oder verschoben werden. Hierzu weist die Spindel 5 in einem ersten Bereich 47, in welchem der Gleitstein 9 des in
Die beiden Gewindevarianten können alternativ auch vertauscht sein.The two thread variants can alternatively be reversed.
Durch das Vorsehen eines rechts- und eines linksdrehenden Gewindes können Axialkräfte auf den Antrieb 45, welche auch als Antriebseinheit bezeichnet werden kann, besonders gut reduziert werden. Dies reduziert einen Verschließ des Antriebs 45 und/oder der an der Bewegungsübertragung beteiligten Komponenten der Aktuatoranordnung 1.By providing a right- and a left-handed thread axial forces on the drive 45, which can also be referred to as a drive unit can be reduced particularly well. This reduces a closure of the drive 45 and / or the components of the actuator arrangement 1 involved in the movement transmission.
Alternativ können auch mehrere Koppelelemente 13 analog zu der in
Die in
Bei der in
At the in
Die Aktuatoranordnung 1 gemäß
In einer weiteren alternativen Ausführungsform kann auch an einer dem Hebel 29 abgewandten Seite eines Koppelelements 13, insbesondere an einer Rückseite 32 (siehe
Mit Hilfe der zuvor beschriebenen Ausführungsformen lassen sich Funktionen, wie das sogenannte "Wall-Hugging" oder auch ein Überstrecken einer Matratze, welche auf dem Rahmengestell 33 abgelegt ist, realisieren. Dabei wird eine Matratzenstauchung bei einem Verschwenken eines Segments des Liege- oder Sitzmöbels reduziert. Dies ist anhand der
Das Liegemöbel 31, insbesondere das zweite Segment 37 weist in einer Liegeposition, bei welcher zumindest das erste Segment 35 und das zweite Segment 37 in einer gemeinsamen Ebene angeordnet sind, insbesondere parallel zu einer Bodenfläche des Bodens, ausgehend von einer der Wand zugewandten Seite einen vorgegebenen ersten Abstand X0 zu der Wand 51 auf. Der Abstand X0 kann beispielsweise der Abstand sein, bei welchem das Liegemöbel 31 den geringsten Abstand mit einem Element zu der Wand 51 aufweist. Andere Definitionen des Abstands sind denkbar.The
Wird nun mittels einer Aktuatoranordnung 1 gemäß den
Um den Abstand X0 auch in der verschwenkten Position 37' des zweiten Segments 37 sicherzustellen, wird die ortsfeste Verbindung des ersten Segments 35 aufgehoben und ein horizontales Verschieben ermöglicht. Dies kann beispielsweise mit Hilfe eines Unterrahmens 55 und einem Schienensystem verwirklicht werden, wie in
Dabei ist wie in
Alternativ zu der kinematischen Kopplung kann auch eine weitere Aktuatoranordnung 1 gemäß den beschriebenen Ausführungsformen vorgesehen sein, um das horizontale Verschieben zu verwirklichen. Dabei würde also eine Aktuatoranordnung 1 das erste Segment horizontal verschieben, während die andere Aktuatoranordnung 1 das zweite Segment 37 verschwenken würde. Alternativ kann auch eine Aktuatoranordnung 1 vorgesehen sein, bei welcher das Koppelelement 13 einerseits zum Verschwenken des zweiten Segments 37 mit dem zweiten Segment 37 mechanisch gekoppelt ist und andererseits mechanisch mit dem ersten Segment 35 gekoppelt ist.As an alternative to the kinematic coupling, it is also possible to provide a further actuator arrangement 1 according to the described embodiments in order to realize the horizontal displacement. In this case, an actuator arrangement 1 would thus move the first segment horizontally, while the other actuator arrangement 1 would pivot the
Ein wesentlicher Vorteil der beschriebenen Aktuatoranordnungen 1 und Liegemöbel 31 ist, dass kurze Hebel und hohe Übersetzungen realisiert werden können. Somit können große Kräfte übertragen werden. Zudem kann eine Aktuatoranordnung 1 nur aus sehr wenigen Teilen aufgebaut sein. Ferner kann eine Aktuatoranordnung 1 wie beschrieben modular verwendet werden. Es sei darauf hingewiesen, dass die beschriebenen Aktuatoranordnungen 1 auch in einem Sitzmöbel angeordnet sein können. Dabei können die Aktuatoranordnungen 1 jeweils an einem Rahmengestell oder Grundrahmen des Sitzmöbels festgelegt sein.A significant advantage of the described actuator assemblies 1 and
Auch ist es alternativ denkbar, dass die Komponenten einer Aktuatoranordnung 1 nicht in einem separaten Aktuatorgehäuse 3 angeordnet sind, sondern beispielsweise direkt an einem Rahmengestell eines Sitz- oder Liegemöbels angeordnet sind, um die beschriebenen Funktionen und Vorteile zu erfüllen.It is also alternatively conceivable that the components of an actuator assembly 1 are not arranged in a
- 11
- Aktuatoranordnungactuator
- 33
- Aktuatorgehäuseactuator housing
- 55
- Spindelspindle
- 77
- BereichArea
- 99
- Gleitsteinslide
- 1111
- Längsachselongitudinal axis
- 1313
- Koppelelementcoupling element
- 1515
- erste Kulissefirst backdrop
- 1717
- Koppelgehäusecoupling housing
- 1919
- Deckelcover
- 2121
- Doppelpfeildouble arrow
- 2323
- Doppelpfeildouble arrow
- 2525
- Rippenribs
- 2727
- zweite Kulissesecond backdrop
- 2929
- Hebellever
- 3131
- Liegemöbelreclining furniture
- 3333
- Rahmengestellframe
- 3535
- erstes Segmentfirst segment
- 3737
- zweites Segmentsecond segment
- 37'37 '
- Positionposition
- 3838
- drittes Segmentthird segment
- 3939
- Gelenkjoint
- 4141
- Drehbewegungrotary motion
- 4343
- Bauhöheheight
- 4545
- Antriebdrive
- 4747
- erster Bereichfirst area
- 4949
- zweiter Bereichsecond area
- 5151
- Wandwall
- 5353
- Lagercamp
- 5555
- Unterrahmensubframe
- X0,1 X 0.1
- Abstanddistance
Claims (13)
- Actuator arrangement (1) for an adjustable piece of furniture (31) for sitting or lying on, in particular for an adjustable bed or an adjustable easy chair,- having a spindle (5), which can be actuated for axial rotation by means of a drive and is mounted at a fixed location;- having a sliding block (9), which is coupled mechanically to the spindle (5) and, when the spindle (5) is actuated, can be moved parallel in relation to a longitudinal axis (11) of the spindle (5); and- having a coupling element (13), which is mounted in a displaceable manner in relation to the spindle (5) and has a first guide track (15), in which the sliding block (9) is guided at least partially, such that, when the spindle (5) is actuated, the coupling element (13) is displaced in order to move a segment (37) of the adjustable piece of furniture (31), the segment (37) being mechanically coupled to the coupling element (13).
- Actuator arrangement (1) according to Claim 1, comprising the drive, which comprises a motor, in particular an electric motor, and a gear mechanism coupled to the motor, wherein the gear mechanism transmits a rotary movement to the spindle (5).
- Actuator arrangement (1) according to either of Claims 1 and 2,
wherein the spindle (5) comprises an external thread and the sliding block (9) comprises an internal thread, via which the sliding block (9) is coupled to the external thread of the spindle (5). - Actuator arrangement (1) according to one of Claims 1 to 3,
wherein the coupling element (13) can be coupled mechanically to a further segment of the adjustable piece of furniture (31) such that, when the coupling element (13) is displaced, the further segment is also moved. - Actuator arrangement (1) according to one of Claims 1 to 4,
wherein the first guide track (15) progresses in an at least partially linear and/or curved manner. - Actuator arrangement (1) according to one of Claims 1 to 5,
wherein the coupling element (13) can be coupled to the segment (37) and/or to the further segment in an articulated manner via at least one lever (29). - Actuator arrangement (1) according to one of Claims 1 to 6,
wherein the coupling element (13) has a coupling housing (17) with a cover (19), which can be secured on the coupling housing (17) and at least partially encloses the sliding block (9) and the spindle (5). - Actuator arrangement (1) according to Claim 7,
wherein the cover (19) or the coupling housing (17) comprises the first guide track (15). - Actuator arrangement (1) according to Claim 7,
wherein the cover (19) comprises the first guide track (15) and the coupling housing (17) comprises a second guide track (27), wherein the second guide track (27) progresses in the same way as the first guide track (15) and is located opposite the first guide track (15), wherein the sliding block (9) is guided, at least partially, both in the first guide track (15) and in the second guide track (27) simultaneously. - Actuator arrangement (1) according to one of Claims 1 to 9,
wherein the actuator arrangement (1) is arranged in an actuator housing (3), wherein the actuator housing (3) can be secured at a fixed location on the adjustable piece of furniture (31), in particular on a framework (33). - Actuator arrangement (1) according to Claim 10,
wherein the spindle (5) is mounted at a fixed location on the actuator housing (3). - Actuator arrangement (1) according to either one of Claims 10 and 11,
wherein the coupling element (13) is mounted in a displaceable manner on the actuator housing (3). - Adjustable piece of furniture (31) for sitting or lying on, having at least two segments (35, 37) connected in an articulated manner and having an actuator arrangement (1) according to one of Claims 1 to 12, wherein the coupling element (13) of the actuator arrangement (1) is coupled mechanically to at least one segment (37), and therefore, when the spindle (5) is actuated, a movement of the coupling element (13) is transmitted to the at least one segment (37) in order to adjust the at least one segment (37).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13186880.4A EP2856916B1 (en) | 2013-10-01 | 2013-10-01 | Actuator assembly for an adjustable item of furniture for sitting or lying on and adjustable item of furniture for sitting or lying on |
DK13186880.4T DK2856916T3 (en) | 2013-10-01 | 2013-10-01 | Actuator device for an adjustable sitting or reclining furniture and an adjustable sitting or reclining furniture |
US15/026,245 US9867470B2 (en) | 2013-10-01 | 2014-08-19 | Actuator assembly for an adjustable seating or lying furniture item as well as an adjustable seating or lying furniture item |
PCT/EP2014/067684 WO2015049078A1 (en) | 2013-10-01 | 2014-08-19 | Actuator assembly for an adjustable piece of furniture for sitting or lying, and adjustable piece of furniture for sitting or lying |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13186880.4A EP2856916B1 (en) | 2013-10-01 | 2013-10-01 | Actuator assembly for an adjustable item of furniture for sitting or lying on and adjustable item of furniture for sitting or lying on |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2856916A1 EP2856916A1 (en) | 2015-04-08 |
EP2856916B1 true EP2856916B1 (en) | 2016-03-02 |
Family
ID=49304720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13186880.4A Not-in-force EP2856916B1 (en) | 2013-10-01 | 2013-10-01 | Actuator assembly for an adjustable item of furniture for sitting or lying on and adjustable item of furniture for sitting or lying on |
Country Status (4)
Country | Link |
---|---|
US (1) | US9867470B2 (en) |
EP (1) | EP2856916B1 (en) |
DK (1) | DK2856916T3 (en) |
WO (1) | WO2015049078A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI803397B (en) * | 2022-07-21 | 2023-05-21 | 施權航 | electric bed |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE156254C (en) * | ||||
US4853990A (en) * | 1986-12-29 | 1989-08-08 | Mechanical Backrest, Inc. | Mechanical backlift |
FR2725887B1 (en) * | 1994-10-25 | 1997-01-03 | Neige Jean Francois | MATTRESS LIFTING DEVICE |
DE202005000574U1 (en) * | 2005-01-14 | 2006-05-24 | Deon Ag | armchair |
DE102006033982B4 (en) * | 2006-07-22 | 2009-03-05 | Stabilus Gmbh | spindle drive |
JP2009056268A (en) * | 2007-09-04 | 2009-03-19 | Tokuo Takamura | Electric reclining device |
DE202008016053U1 (en) * | 2008-12-03 | 2010-04-15 | Dewert Antriebs- Und Systemtechnik Gmbh | Double drive for furniture |
-
2013
- 2013-10-01 EP EP13186880.4A patent/EP2856916B1/en not_active Not-in-force
- 2013-10-01 DK DK13186880.4T patent/DK2856916T3/en active
-
2014
- 2014-08-19 WO PCT/EP2014/067684 patent/WO2015049078A1/en active Application Filing
- 2014-08-19 US US15/026,245 patent/US9867470B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2856916A1 (en) | 2015-04-08 |
US20160235207A1 (en) | 2016-08-18 |
DK2856916T3 (en) | 2016-05-30 |
US9867470B2 (en) | 2018-01-16 |
WO2015049078A1 (en) | 2015-04-09 |
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