EP2139366B1 - Support element for a cushion cover for seating and lying areas - Google Patents
Support element for a cushion cover for seating and lying areas Download PDFInfo
- Publication number
- EP2139366B1 EP2139366B1 EP07857780A EP07857780A EP2139366B1 EP 2139366 B1 EP2139366 B1 EP 2139366B1 EP 07857780 A EP07857780 A EP 07857780A EP 07857780 A EP07857780 A EP 07857780A EP 2139366 B1 EP2139366 B1 EP 2139366B1
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- European Patent Office
- Prior art keywords
- spring
- support
- support element
- element according
- disc
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- 238000009423 ventilation Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 4
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- 238000012512 characterization method Methods 0.000 description 1
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- 239000000725 suspension Substances 0.000 description 1
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Images
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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/025—Springs not otherwise provided for in A47C7/22 - A47C7/35
- A47C7/027—Springs not otherwise provided for in A47C7/22 - A47C7/35 with elastomeric springs
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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
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/002—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases with separate resilient support elements, e.g. elastomeric springs arranged in a two-dimensional matrix pattern
Definitions
- the invention relates to a bearing element for a cushion support of sitting and lying surfaces, preferably for mattresses, with a bottom plate fixed to a base and at least one upwardly from the bottom plate in the direction of the cushion support standing, formed from a plurality of spring arms spring element, wherein the Spring arms are provided at their upper, the bottom plate facing away from each end with a substantially U-shaped wave spring element, which consists of at least two parallel spaced from each other on concentric ring tracks about the central axis of the bearing element arranged spring legs and at least one spring leg coupling connecting web and in the one End of the arranged on the inner ring track spring leg with the respective associated spring arm and one end of the arranged on the outer ring track spring leg is connected to a provided for supporting the cushion member support plate.
- the bearing elements are commonly referred to as spring elements and are known as mattress substructures both in connection with slatted substructures and with rigid, plate-shaped substructures.
- the bearing elements described are fixed to these plate-shaped or slatted-shaped substructures by means of screwing or for easier interchangeability of the bearing elements by means of easily releasable attachment techniques, such as bayonet locks, the base plate may have suitable openings for this purpose.
- the bearing elements are arranged at regular intervals, so that in the plan view of such a construction, a substantially closed bearing surface, consisting of the individual bearing plates belonging to each bearing plates results.
- Such constructions have proven in principle quite well in the prior art. However, it has been shown to optimize sleeping comfort for a on a cushion support, for example on a mattress lying person, it may be desirable and necessary to form the spring characteristics of individual bearing elements according to the weight forces acting on them differently. To obtain a uniform comfort, this means that in certain areas of the cushion support, for example in the shoulder or pelvic area, due to the higher forces to be absorbed stiffer spring rates of the spring elements may be required, such as in areas of lower weight forces such as leg or head area.
- bearing elements are already known from the prior art, in which the spring effect of the spring elements is changed by appropriate additional components which are used in the bearing elements.
- the responsible for the spring action of the spring elements individual spring arms can be limited by additional components, constructions are known in which between the base plate and substructure provided with a plurality of support arms plastic component is arranged.
- the plastic component is rotatably mounted relative to the bearing element about the vertical bearing element central axis, so that the support arms can possibly be brought to bear on the individual spring arms for stiffening the overall spring action of the spring element.
- the invention is therefore based on the object, starting from the well-known from the prior art bearing elements of the generic type described to develop them so that a particularly simple handling and due to the structural design cost-effective production of the individual components and their assembly allows becomes.
- the support plate consists of an annular, the upper ends of the spring legs of the corrugated spring elements connecting frame part and a rotatable frame part about the central axis of the bearing element bearing pad, wherein the support disc in its outer edge region with an adjustment for limiting the mobility the spring leg of the Wellfederetti is provided.
- the newly developed bearing element now only consists of two components which can each be produced as injection-molded plastic parts. Due to the fact that the support plate is provided with the adjustment for limiting the mobility of the spring leg of Wellfederemia, there is the possibility to change after removal of the cushion support individual bearing elements as needed by simply rotating the support plate belonging to the receiving disc in its spring action.
- Such an adjusting device in the upper region of the bearing elements is particularly effective in that the corrugated spring elements belonging to the bearing element particularly affect the overall spring action of the spring elements and corrugated spring elements existing spring elements.
- the adjustment possibilities with regard to the spring action of the bearing element can be additionally increased if a plurality of webs located next to one another on the annular web are associated with a spring leg, wherein the webs are designed differently with respect to their rigidity. It may be expedient if the webs have a different cross-section, this cross-section is advantageously designed rectangular. If the webs are provided with at least one stiffening rib on at least one of the side surfaces arranged perpendicular to the ring track, then different stiffnesses of the webs belonging to the setting device can be achieved not only by the different cross-sectional configuration but also with the aid of the number of stiffening ribs and their size.
- the adjustability with respect to the spring rate of the bearing element is due to the different web design in a simple manner that by rotation of the support plate webs of different stiffness, that is, with different cross-section and / or different web shapes and different number of webs with the associated spring arms, respectively the spring legs of Well spring elements are brought to coincidence.
- Different stiffnesses of the webs can also be achieved by arranging the reinforcing ribs both on the side faces of the webs directed towards the middle and on the opposite, outwardly directed side faces.
- the structural design of the stiffening ribs is subject to both the given space conditions on the bearing element and the required spring rates, which can be determined by design adaptation of the stiffening ribs.
- the support plate is provided with a locking device for fixing different rotational positions relative to the frame part surrounding the support plate.
- the latching device can have at least one locking lug on the frame part or on the support plate, which can be snapped in place for fixing the rotational position of the support disc in a corresponding, belonging to the locking device recess on the support plate or on the frame part.
- An additional facilitation of the adjustment can be additionally brought about by the fact that the support plate is provided at its upper, the pad support facing side with a display device for the respective rotational position of the support disc relative to the frame part.
- an adjustment of the spring rate can be checked visually by marking the four different stiffness values of the bearing element with the alphanumeric numbers 1 to 4 in conjunction with the respective structurally designed locking device in a simple manner.
- the bearing plate has at least one bearing surface which, when the pad rest is laid on the bearing element, unloaded padding
- the frame part defined support plane obliquely upwards at an acute angle to the support plane protrudes from this.
- This structural design results in a so-called airlift function for the support plate in addition to the already described advantages.
- This airlift function is used to provide sufficient ventilation of the cushion pad.
- the described structural design is characterized in particular by the fact that a much smaller contact surface is achieved with non-loaded mattress by the obliquely upstanding, usually present in a plurality of support surfaces. As a result, the removal of body moisture can be done in the short term, so that even with intensive use of the cushion pad by a user no feeling of dampness and no odor nuisance due to moisture not removed can occur.
- the already known solution for improving the ventilation of upholstery pads which has proven in principle well, additionally improve, characterized in that the so-called airlift function, that is, the lifting of the cushion support in unloaded Condition can be fully integrated into the existing elements of the bearing element according to the invention.
- the obliquely upward contact surfaces cause, without additional components, that at their high free ends a point or line-shaped support zone for the unloaded cushion pad is formed.
- the mattress is thus only at individual points or lines on their underside, so that the rest of the free area can be used for an advantageous ventilation of the cushion pad.
- inventive design of the bearing element makes no additional component necessary, so that any additional costs compared to known from the prior art conventional bearing elements omitted.
- the support surfaces essentially have a plate-shaped, triangular shape in plan, wherein a longitudinal side of the triangular plan is fixed to the support plate in the outer edge region. Due to its layout, the bearing surfaces on the side facing away from the outer edge region of the support disk provide individual punctiform support zones for the mattress or the cushion support.
- punctiform support zones are optimal for the improved ventilation of the applied mattresses.
- the design of the bearing surfaces may additionally be advantageous in that they have at least one or preferably a plurality of apertures.
- the openings increase the possibility of ventilation in the loaded state of the mattress and additionally support the removal of body moisture even when the mattress is being used by a person lying on it.
- the bearing surfaces are arranged symmetrically on the support plate in an advantageous manner.
- the designated in the figures with the reference numeral 1 bearing element has in its lower part a bottom plate 2 to which a fastening device 3, not shown, for fixing the bearing element 1 is provided on a slatted frame or a plate-shaped subbed construction.
- the fastening device 3 may be designed differently and consist for example in a conventional manner from a screw.
- releasable fastening techniques such as bayonet locks can be used.
- a bayonet lock a bayonet hook can be inserted in per se known design through the opening 4 in the bottom plate 2 of the bearing element 1 therethrough.
- a rotation of the bearing element 1 then causes the elongated bayonet hook on the top of the bottom plate comes to rest and the bearing element is thus determined on the corresponding base in the form of a slatted frame or other bedding construction.
- a release takes place in reverse order by rotation of the bearing element and then lifting the bottom plate of the bayonet hook.
- the bearing element 1 has a plurality of obliquely upward spring arms 6, wherein in the present embodiment, four spring arms symmetrically over the circumference of Bearing element are distributed.
- the spring arms 6 are provided at its upper, the bottom plate 2 opposite end with Wellfederettin 7, which determine the spring characteristics of the bearing element substantially.
- Each corrugated spring element 7 consists of two spring legs 11 and 12, which are arranged on the central axis 8 circumferential concentric ring tracks 9 and 10.
- the spring leg 11 is fixed at its upper free end at the end of the spring arm 6, its lower further free end is connected by means of a connecting web 13 with the lower end of the spring leg 12.
- the upper free end of the spring leg 12 is fixed to a belonging to a support plate 14 frame member 15.
- the frame part 15 has a substantially rectangular outer contour and has a central recess into which a support plate 16 is inserted.
- the support plate 16 is rotatable about the central axis 8 of the bearing element 1 and placed on retaining shoulders 23, which prevent falling through of the support plate 16 downwards in the direction of the bottom plate 2.
- the retaining shoulders 23 are, as this particular from the FIGS. 7, 8 and 9 it can be seen, in each case arranged on both sides of the spring arms 6 with the corrugated spring elements 7 arranged thereon.
- the arrangement of the webs 17.1, 17.2 and 17.3 can in detail the bottom views of the bearing element according to the FIG. 3a . 4a . 5a and 6a be removed.
- the webs 17.1, 17.2 and 17.3 and located next to the web 17.1 and 17.3 web-free position are each associated with a Wellfederelement 7 and each form an assembly so that a total of twelve webs are combined into four groups in the ring track.
- each one web 17.1, 17.2 or 17.3 of an assembly in the U-shaped space of the two spring legs 11 and 12 of a wave spring element 7 can be inserted.
- the mobility of the spring legs 11 and 12 is limited to varying degrees after insertion of a web in the intermediate space of the spring legs 11 and 12 at a load of the bearing element 1.
- the limitation or limitation of the mobility of the spring legs 11 and 12 leads to an increased rigidity of the bearing element, so that 16 different spring hardness can be adjusted by rotation of the support plate.
- Due to the number of webs 17.1, 17.2. and preferably 17.3 can thus be adjusted taking into account the web-free position on the circumference in total, for example, four different degrees of hardness of the suspension of the bearing element.
- the softest spring rate is set by the alphanumeric characterization of level 0 in the lower left corner of the bearing element seen in the drawing.
- the bottom view of the bearing element 1 in the FIG. 3a it can be seen that in this stage 0 none of the webs is inserted into the intermediate space between the spring legs 11 and 12 of a wave spring element 7.
- the spring legs 11 and 12 can thus according to the FIG. 3b perform an unrestricted movement and thus an unrestricted spring action.
- FIG. 3a Of the FIG. 3a can be seen in addition that the webs 17.1, 17.2 and 17.3 are provided on their vertical side surfaces with outer stiffening ribs 18 and inner stiffening ribs 19.
- the number of stiffening ribs is in the illustrated embodiment at each of the webs 17.2 and 17.3 both for the outer stiffening ribs 18 and for the inner stiffening ribs 19 each two.
- the web 17.2 is provided with two outer stiffening ribs 18 and the web 17.3 both outer stiffening ribs 18 and inner stiffening ribs 19 has.
- the configuration of the stiffening ribs is according to the illustration of FIGS. 4b . 5b and 6b chosen differently.
- the stiffening ribs 18 and 19 have in connection with the cross-sectional configuration in the form of a rectangle of the webs 17.1, 17.2 and 17.3 the task of providing the webs with a different flexibility.
- FIGS. 5 and 5a the In the plan view, the level 2 is indicated as a rotational position, whereby at the same time the web 17.2 is placed in the space between the spring legs 11 and 12 of the wave spring element 7.
- the bearing element 1 of the invention is shown in that stage 3, in which the web 17.3, on which both outer stiffening ribs 18 and inner stiffening ribs 19 are arranged in the space between the spring legs 11 and 12 is introduced by rotating the support plate 16.
- the design of the web 17.3 causes the mobility of the spring legs 11 and 12 of the wave spring element 7 is almost completely blocked.
- the level 3 of the bearing element provides the highest spring stiffness, since now a deflection is given only in consequence of the elastic properties of the spring arms 6.
- a locking device is arranged on the support plate 16 and the frame member 15, which consists of a plurality of locking lugs 20 which are directed to the bottom plate directed to the bottom of the frame member 15 in the middle between the spring arms 6 are arranged, as can be seen in particular from FIG. 9 results.
- the latching lugs 20 are in operative connection with locking recesses 21 arranged on the upper side of the support disk 16, in which the respective latching lugs 20 engage, thus fixing a fixation of the respective spring stiffness stages 0 to 3.
- the support disk 16 moreover has, as already mentioned, a display device 22 which consists of an alphanumeric numbering.
- FIG. 13 plotted a path / force / stiffness chart.
- This diagram can be clearly seen that in stage 0 depending on the forces acting on the bearing element forces a greatest flexibility, that is, a maximum travel of the bearing element is possible. This travel is limited in step 1 by about two millimeters, if one spends the same force for deflection in the amount of four kilograms.
- stage 2 the spring stiffness is increased again, so that there is a further limitation of the spring travel.
- stage 3 in principle, a blockage of Well spring elements in consequence of the special design of the webs 17.3 is given.
- this can optionally be provided with a so-called air-lift function.
- the air-lift function is integrated in the support disk 16 and consists essentially in that the support disk 16 has a plurality of six support surfaces 24.1, 24.2, 24.3, 24.4, 24.5 and 24.6 in the present case, which in the present case have a triangular shape and are fixed with their one side area in the outer edge region of the support disk 16.
- the support surfaces are 24.1 to 24.6 with its directed towards the center edge region obliquely upward beyond a defined by the frame member 15 support level addition.
- the design of the bearing surfaces 24.1 to 24.6 is chosen so that when a load of the bearing element only with resting on the support plate 16 cushion pad in the form of a mattress, for example, the cushion pad rests only on the center axis 8 directed front edge regions of the bearing surfaces 24.1 to 24.6. This results in a punctiform support, so that compared to conventional bearing elements better ventilation of the cushion pad respectively the mattress can be done.
- the support disk or the upholstery element is loaded to a greater extent by a person supporting it, then the obliquely upward contact surfaces together with the frame element form an overall uniform support plane 25, so that full support of the upholstered support is ensured.
- the bearing surfaces are, as the plan views of FIGS. 1 . 3 . 4 . 5 and 6 can be removed, arranged symmetrically to the central axis of the support plate 16, wherein of course the number of bearing surfaces 24.1 to 24.6 can also be selected differently from the illustrated embodiment. In addition, of course, the shape of the bearing surfaces 24.1 to 24.6 different selectable.
- the angle of the support surfaces 24.1 to 24.6 to the support plane 25 may be in accordance with an advantageous design in the range of 5 to 40 degrees. The choice of the angle depends both on the elastic properties of the plastic material of the support plate 16 and on the weight of resting on the individual bearing elements cushion elements.
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- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
Description
Die Erfindung betrifft ein Lagerelement für eine Polsterauflage von Sitz- und Liegeflächen, vorzugsweise für Matratzen, mit einer an einer Unterlage festlegbaren Bodenplatte und mindestens einem von der Bodenplatte nach oben in Richtung der Polsterauflage hoch stehenden, aus einer Mehrzahl von Federarmen gebildeten Federelement, wobei die Federarme an ihrem oberen, der Bodenplatte abgewandten Ende mit jeweils einem im wesentlichen U-förmigen Wellfederelement versehen sind, welches aus mindestens zwei parallel beabstandet zueinander auf konzentrischen Ringbahnen um die Mittelachse des Lagerelementes angeordneten Federschenkeln und mindestens einem die Federschenkel koppelnden Verbindungssteg besteht und bei dem ein Ende des auf der inneren Ringbahn angeordneten Federschenkels mit dem jeweiligen zugehörigen Federarm und ein Ende des auf der äußeren Ringbahn angeordneten Federschenkels mit einem zur Auflage des Polsterelementes vorgesehenen Auflageteller verbunden ist.The invention relates to a bearing element for a cushion support of sitting and lying surfaces, preferably for mattresses, with a bottom plate fixed to a base and at least one upwardly from the bottom plate in the direction of the cushion support standing, formed from a plurality of spring arms spring element, wherein the Spring arms are provided at their upper, the bottom plate facing away from each end with a substantially U-shaped wave spring element, which consists of at least two parallel spaced from each other on concentric ring tracks about the central axis of the bearing element arranged spring legs and at least one spring leg coupling connecting web and in the one End of the arranged on the inner ring track spring leg with the respective associated spring arm and one end of the arranged on the outer ring track spring leg is connected to a provided for supporting the cushion member support plate.
Derartige Lagerelemente, wie sie oben einleitend gattungsgemäß beschrieben wurden, sind in mannigfaltiger Ausgestaltung aus dem Stand der Technik bekannt.Such bearing elements, as described above in the introduction, are known in manifold configuration from the prior art.
Die Lagerelemente werden üblicherweise auch als Federelemente bezeichnet und sind als Matratzenunterkonstruktionen sowohl in Verbindung mit lattenrostartigen Unterbauten als auch mit starren, plattenförmigen Unterbauten bekannt. Die beschriebenen Lagerelemente werden dabei auf diesen plattenförmigen oder lattenrostförmigen Unterbauten mittels Verschraubungen oder zur leichteren Austauschbarkeit der Lagerelemente mittels leicht lösbarer Befestigungstechniken, wie beispielsweise Bajonettverschlüssen festgelegt, wobei die Bodenplatte hierfür geeignete Durchbrechungen aufweisen kann.The bearing elements are commonly referred to as spring elements and are known as mattress substructures both in connection with slatted substructures and with rigid, plate-shaped substructures. The bearing elements described are fixed to these plate-shaped or slatted-shaped substructures by means of screwing or for easier interchangeability of the bearing elements by means of easily releasable attachment techniques, such as bayonet locks, the base plate may have suitable openings for this purpose.
Die Lagerelemente werden dabei in regelmäßigen Abständen angeordnet, so dass sich in der Draufsicht auf eine derartige Konstruktion eine im wesentlichen geschlossene Auflagefläche, bestehend aus den einzelnen zu jedem Lagerelement gehörenden Auflagetellern, ergibt. Derartige Konstruktionen haben sich prinzipiell im Stand der Technik durchaus bewährt. Allerdings hat sich gezeigt, dass zur Optimierung des Liegekomforts für eine auf einer Polsterauflage, beispielsweise auf einer Matratze liegende Person, es wünschenswert und erforderlich sein kann, die Federeigenschaften einzelner Lagerelemente entsprechend den auf sie wirkenden Gewichtskräften unterschiedlich auszubilden. Um einen gleichmäßigen Liegekomfort zu erhalten, bedeutet dies, dass in bestimmten Bereichen der Polsterauflage, beispielsweise im Schulter- oder Beckenbereich, aufgrund der dort aufzunehmenden höheren Kräfte steifere Federraten der Federelemente erforderlich sein können, als beispielsweise in Bereichen geringerer Gewichtskräfte wie beispielsweise im Bein- oder Kopfbereich.The bearing elements are arranged at regular intervals, so that in the plan view of such a construction, a substantially closed bearing surface, consisting of the individual bearing plates belonging to each bearing plates results. Such constructions have proven in principle quite well in the prior art. However, it has been shown to optimize sleeping comfort for a on a cushion support, for example on a mattress lying person, it may be desirable and necessary to form the spring characteristics of individual bearing elements according to the weight forces acting on them differently. To obtain a uniform comfort, this means that in certain areas of the cushion support, for example in the shoulder or pelvic area, due to the higher forces to be absorbed stiffer spring rates of the spring elements may be required, such as in areas of lower weight forces such as leg or head area.
Zur Lösung dieses Problems sind aus dem Stand der Technik bereits Lagerelemente bekannt, bei dem durch entsprechende Zusatzbauteile, die in die Lagerelemente eingesetzt werden, die Federwirkung der Federelemente verändert wird. Beispielsweise können die für die Federwirkung der Federelemente verantwortlichen einzelnen Federarme durch Zusatzbauteile eingeschränkt werden, wobei Konstruktionen bekannt sind, bei denen zwischen Bodenplatte und Unterkonstruktion ein mit mehreren Stützarmen versehenes Kunststoffbauteil angeordnet ist. Das Kunststoffbauteil ist gegenüber dem Lagerelement um die senkrechte Lagerelementmittelachse drehbar gelagert, so dass die Stützarme ggf. zur Versteifung der Gesamtfederwirkung des Federelementes an den einzelnen Federarmen zur Anlage gebracht werden können. Durch die Anlage ergibt sich insgesamt eine Verstärkung des Federarmquerschnittes, so dass die Einfederung des aus den Federarmen gebildeten Federelementes insgesamt bei gleicher Belastung herab gesetzt wird.To solve this problem, bearing elements are already known from the prior art, in which the spring effect of the spring elements is changed by appropriate additional components which are used in the bearing elements. For example, the responsible for the spring action of the spring elements individual spring arms can be limited by additional components, constructions are known in which between the base plate and substructure provided with a plurality of support arms plastic component is arranged. The plastic component is rotatably mounted relative to the bearing element about the vertical bearing element central axis, so that the support arms can possibly be brought to bear on the individual spring arms for stiffening the overall spring action of the spring element. Through the system results in a total of a reinforcement of the spring arm cross-section, so that the deflection of the spring element formed from the spring arms is set at the same load total.
Je nach Ausbildung des Querschnittes der Stützarme lassen sich durch unterschiedliche Drehungen des Kunststoffbauteils unterschiedliche Verstärkungen des Federarmquerschnittes realisieren.Depending on the design of the cross section of the support arms can be realized by different rotations of the plastic component different reinforcements of Federarmquerschnittes.
Darüber hinaus sind auch andere, allgemein als Lordosenverstellung bezeichnete Konstruktionen üblich, wie dies in der
Allen bisher bekannten Lagerelementen mit einer integrierten Lordosenverstellung ist gemeinsam, dass sowohl der Aufbau als auch die Einstellmöglichkeiten derartiger Konstruktionen im Hinblick auf eine ergonomische Handhabung und eine kostengünstige Fertigung durchaus noch verbesserungswürdig sind.All previously known bearing elements with an integrated Lordosenverstellung has in common that both the structure and the adjustment of such structures in terms of ergonomic handling and cost-effective production are still in need of improvement.
Der Erfindung liegt somit die Aufgabe zugrunde, ausgehend von dem aus dem Stand der Technik bekannten Lagerelementen der eingangs geschilderten gattungsgemäßen Art, diese so weiter zu entwickeln, dass eine besonders einfache Handhabung als auch eine aufgrund der konstruktiven Gestaltung kostengünstige Herstellung der Einzelbauteile sowie deren Montage ermöglicht wird.The invention is therefore based on the object, starting from the well-known from the prior art bearing elements of the generic type described to develop them so that a particularly simple handling and due to the structural design cost-effective production of the individual components and their assembly allows becomes.
Die Lösung dieser Aufgabe ergibt sich in Zusammenschau mit den gattungsbildenden Merkmalen des Anspruchs 1 durch die im kennzeichnenden Teil offenbarte technische Lehre.The solution to this problem arises in conjunction with the generic features of
Erfindungswesentlich für die technische Lehre ist es, dass der Auflageteller aus einem ringförmigen, die oberen Enden der Federschenkel der Wellfederelemente verbindenden Rahmenteil und einer im Rahmenteil um die Mittelachse des Lagerelementes drehbaren Auflagenscheibe besteht, wobei die Auflagescheibe in ihrem Außenrandbereich mit einer Einstellvorrichtung zur Begrenzung der Beweglichkeit der Federschenkel der Wellfederelemente versehen ist.Essential to the invention for the technical teaching is that the support plate consists of an annular, the upper ends of the spring legs of the corrugated spring elements connecting frame part and a rotatable frame part about the central axis of the bearing element bearing pad, wherein the support disc in its outer edge region with an adjustment for limiting the mobility the spring leg of the Wellfederelemente is provided.
Durch diese erfindungsgemäße Gestaltung besteht das neu entwickelte Lagerelement nunmehr nur noch aus zwei Bauelementen, die jeweils als Kunststoffspritzgussteile hergestellt werden können. Durch die Tatsache, dass der Auflageteller mit der Einstellvorrichtung zur Begrenzung der Beweglichkeit der Federschenkel der Wellfederelemente versehen ist, ergibt sich die Möglichkeit, nach Abnahme der Polsterauflage einzelne Lagerelemente je nach Bedarf durch einfaches Drehen der zum Auflageteller gehörenden Aufnahmescheibe in ihrer Federwirkung zu verändern.With this design according to the invention, the newly developed bearing element now only consists of two components which can each be produced as injection-molded plastic parts. Due to the fact that the support plate is provided with the adjustment for limiting the mobility of the spring leg of Wellfederelemente, there is the possibility to change after removal of the cushion support individual bearing elements as needed by simply rotating the support plate belonging to the receiving disc in its spring action.
Eine derartige Verstellvorrichtung im oberen Bereich der Lagerelemente ist insofern besonders wirksam, da die zum Lagerelement gehörigen Wellfederelemente in besonderem Maße die Gesamtfederwirkung der aus Federarmen und Wellfederelementen bestehenden Federelemente beeinflussen. Somit lässt sich durch die erfindungsgemäße Konstruktion und die sich daraus ergebende Begrenzung der Beweglichkeit der Federschenkel der Wellfederelemente ein besonders großer Einstellbereich für die Federhärte des Lagerelementes erreichen.Such an adjusting device in the upper region of the bearing elements is particularly effective in that the corrugated spring elements belonging to the bearing element particularly affect the overall spring action of the spring elements and corrugated spring elements existing spring elements. Thus, by the construction according to the invention and the resulting limitation of the mobility of the spring legs of the wave spring elements reach a particularly large adjustment range for the spring stiffness of the bearing element.
Für die Gestaltung der Verstellvorrichtung erfindungs wesentlich ist auch, dass diese mehrere in regelmäßigen Abständen auf einer konzentrischen Ringbahn um die Mittelachse des Lagerelementes angeordnete, an der unteren der Bodenplatte zugewandten Flachseite der Auflagescheibe vorstehende Stege aufweist, die zur Begrenzung der Beweglichkeit der Federschenkel der Wellfederelemente bei Belastung der Lagerelemente an mehreren Federschenkeln zur Anlage bringbar sind. Die geschilderte Ausgestaltung führt zu einer innerhalb des Lagerelementes angeordneten integrierten Einstellvorrichtung, bei der kein zusätzlicher Platzbedarf gegenüber herkömmlichen Federelementen ohne Lordosenverstellvorrichtung notwendig ist.For the design of the adjustment fiction, it is essential that this several arranged at regular intervals on a concentric annular path around the central axis of the bearing element, facing the lower of the bottom plate flat side of the support plate projecting webs, which limits the mobility of the spring legs of the corrugated spring elements Loading the bearing elements can be brought to a plurality of spring legs to the plant. The described embodiment leads to an arranged within the bearing element integrated adjustment, in which no additional space compared to conventional spring elements without Lordosenverstellvorrichtung is necessary.
Besondere Ausgestaltungen des erfindungsgemäßen Lagerelementes für eine Polsterauflage von Sitz- und Liegeflächen vorzugsweise Matratzen ergibt sich ergänzend zur technischen Lehre des Anspruches 1 zusätzlich aus den Merkmalen der auf diesen zurück bezogenen Unteransprüche.Special embodiments of the bearing element according to the invention for a cushion of seats and reclining mattresses preferably mattresses results in addition to the technical teaching of
Die Verstellmöglichkeiten hinsichtlich der Federwirkung des Lagerelementes lassen sich zusätzlich steigern, wenn jeweils eine Mehrzahl von nebeneinander auf der Ringbahn befindlichen Stegen einem Federschenkel zugeordnet sind, wobei die Stege hinsichtlich ihrer Steifigkeit unterschiedlich ausgebildet sind. Hierbei kann es zweckmäßig sein, wenn die Stege einen unterschiedlichen Querschnitt aufweisen, wobei dieser Querschnitt in vorteilhafter Weise rechteckig gestaltet ist. Sind die Stege an mindestens einer der senkrecht zur Ringbahn angeordneten Seitenflächen mit mindestens einer Versteifungsrippe versehen, so lassen sich nicht nur durch die unterschiedliche Querschnittsgestaltung sondern auch mit Hilfe der Anzahl der Versteifungsrippen und deren Größe verschiedene Steifigkeiten der zur Einstellvorrichtung gehörigen Stege erzielen. Die Einstellbarkeit hinsichtlich der Federrate des Lagerelementes ergibt sich aufgrund der unterschiedlichen Steggestaltung auf einfache Weise dadurch, dass durch Drehung der Auflagescheibe Stege unterschiedlicher Steifigkeit, das heißt, mit unterschiedlichen Querschnitt und/oder unterschiedlichen Stegformen und unterschiedlicher Steganzahl mit den zugehörigen Federarmen, respektive den Federschenkeln der Wellfederelemente zur Deckung gebracht werden. Sobald das erfindungsgemäße Lagerelement gewichtsmäßig beaufschlagt wird, werden die Federschenkel des Wellfederelementes ihre Position zu ändern versuchen. Je nach Steifigkeit der Stege wird diese Positionsveränderung in geringem oder stärkerem Maße behindert. Die Begrenzung kann dabei soweit gehen, dass überhaupt keine Bewegung der Federschenkel des Wellfederelementes mehr möglich ist. In diesem Falle besteht die einzige Federwirkung in der Elastizität der Federarme, was zu einem Lagerelement mit besonders steifer Federcharakteristik führt.The adjustment possibilities with regard to the spring action of the bearing element can be additionally increased if a plurality of webs located next to one another on the annular web are associated with a spring leg, wherein the webs are designed differently with respect to their rigidity. It may be expedient if the webs have a different cross-section, this cross-section is advantageously designed rectangular. If the webs are provided with at least one stiffening rib on at least one of the side surfaces arranged perpendicular to the ring track, then different stiffnesses of the webs belonging to the setting device can be achieved not only by the different cross-sectional configuration but also with the aid of the number of stiffening ribs and their size. The adjustability with respect to the spring rate of the bearing element is due to the different web design in a simple manner that by rotation of the support plate webs of different stiffness, that is, with different cross-section and / or different web shapes and different number of webs with the associated spring arms, respectively the spring legs of Well spring elements are brought to coincidence. Once the bearing element according to the invention is acted upon by weight, the spring legs of the wave spring element will try to change their position. Depending on the rigidity of the webs this is Position change is hampered to a lesser or greater extent. The limitation can go so far that no movement of the spring legs of the wave spring element is possible at all. In this case, there is the only spring action in the elasticity of the spring arms, resulting in a bearing element with particularly stiff spring characteristic.
Unterschiedliche Steifigkeiten der Stege lassen sich auch dadurch erzielen, dass die Versteifungsrippen sowohl an den zur Mitte gerichteten Seitenflächen der Stege als auch an den gegenüberliegenden, nach außen gerichteten Seitenflächen angeordnet werden. Die konstruktive Gestaltung der Versteifungsrippen unterliegt dabei sowohl den gegebenen Platzverhältnissen am Lagerelement als auch den erforderlichen Federraten, die durch gestalterische Anpassung der Versteifungsrippen rechnerisch ermittelt werden können.Different stiffnesses of the webs can also be achieved by arranging the reinforcing ribs both on the side faces of the webs directed towards the middle and on the opposite, outwardly directed side faces. The structural design of the stiffening ribs is subject to both the given space conditions on the bearing element and the required spring rates, which can be determined by design adaptation of the stiffening ribs.
In der Praxis hat es sich als besonders zweckmäßig erwiesen, jeweils drei nebeneinander auf der Ringbahn befindlichen Stege einem Federschenkel zuzuordnen, so dass eine Begrenzung der Beweglichkeit der Federschenkel der Wellfederelemente bei Belastung der Lagerelemente in drei Stufen ermöglicht wird, was einer Verstellung der Federrate des Federelementes auf vier unterschiedliche Werte entspricht. Die Anordnung von drei in ihrer Steifigkeit unterschiedlich ausgebildeten Stegen führt zu einer Verstellung des Lagerelementes hinsichtlich seiner Federwirkung in vier Stufen dadurch, dass die als Stufe größter Federnachgiebigkeit geltende Drehposition der Auflagescheibe keinen der auf der entsprechenden Ringbahn befindlichen Stege mit einem Federschenkel der zugehörigen Wellfederelemente in Überdeckung bringt. Das für die Federwirkung des Lagerelementes verantwortliche Federelement hat somit seinen ursprünglich berechneten vollständigen Federweg.In practice, it has proved to be particularly useful to assign each three adjacent to each other on the annular path webs a spring leg, so that a limitation of the mobility of the spring legs of Wellfederelemente is made possible under load of the bearing elements in three stages, resulting in an adjustment of the spring rate of the spring element corresponds to four different values. The arrangement of three different in their stiffness webs leads to an adjustment of the bearing element with respect to its spring action in four stages, characterized in that the applicable as the stage of maximum spring compliance rotational position of the support disc is not located on the respective annular path webs with a spring leg of the associated wave spring elements in coverage brings. The responsible for the spring action of the bearing element spring element thus has its original calculated complete travel.
Natürlich ist es möglich, die Anzahl der einem Federschenkel zugeordneten, unterschiedlich gestalteten Stege zusätzlich zu steigern. In der Praxis hat es sich jedoch gezeigt, dass vier unterschiedliche Federsteifigkeiten für ein Lagerelement ausreichend sind. Darüberhinaus ist es denkbar, die einzeln ausgeführten Stege auch so zu gestalten, dass eine stufenlose Verstellung der Federsteifigkeit aufgrund entsprechender Gestaltung eines aus mehreren Abschnitten bestehenden Gesamtsteges möglich ist. Eine derartige stufenlose Verstellung ist jedoch in den allermeisten Anwendungsfällen nicht notwendig und von ihrem konstruktiven und herstellungstechnischen Aufwand mit zusätzlichen Kosten verbunden.Of course, it is possible to increase the number of a spring leg associated, differently shaped webs in addition. In practice, however, it has been found that four different spring stiffnesses are sufficient for one bearing element. Moreover, it is conceivable to make the individually executed webs so that a continuous adjustment of the spring stiffness is possible due to the corresponding design of a multi-sections total web. However, such a stepless adjustment is not necessary in the vast majority of applications and connected by their design and manufacturing effort with additional costs.
Um die Position der einzelnen Stege in Verbindung mit den korrespondierenden Federschenkeln der jeweiligen Wellfederelemente zu fixieren kann es zweckmäßig sein, dass die Auflagescheibe mit einer Rastvorrichtung zur Festlegung unterschiedlicher Drehpositionen gegenüber dem die Auflagescheibe umgebenden Rahmenteil versehen ist. Die Rastvorrichtung kann dabei mindestens eine Rastnase am Rahmenteil oder an der Auflagescheibe aufweisen, die zur Fixierung der Drehposition der Auflagescheibe in eine korrespondierende, zur Rastvorrichtung gehörige Rastausnehmung an der Auflagescheibe oder am Rahmenteil einschnappbar ist. Eine derartige konstruktive Gestaltung einer Rastvorrichtung ist im Rahmen der Spritzgussherstellung des Lagerelementes kostengünstig realisierbar.In order to fix the position of the individual webs in conjunction with the corresponding spring legs of the respective wave spring elements, it may be expedient that the support plate is provided with a locking device for fixing different rotational positions relative to the frame part surrounding the support plate. The latching device can have at least one locking lug on the frame part or on the support plate, which can be snapped in place for fixing the rotational position of the support disc in a corresponding, belonging to the locking device recess on the support plate or on the frame part. Such a structural design of a locking device can be realized inexpensively in the context of the injection molding of the bearing element.
Eine zusätzliche Erleichterung der Einstellung kann ergänzend dadurch herbeigeführt werden, dass die Auflagescheibe an ihrer oberen, der Polsterauflage zugewandten Seite mit einer Anzeigevorrichtung für die jeweilige Drehposition der Auflagescheibe gegenüber dem Rahmenteil versehen ist. Beispielsweise lässt sich durch Kennzeichnung der vier unterschiedlichen Steifigkeitswerte des Lagerelementes mit den alphanumerischen Ziffern 1 bis 4 in Verbindung mit der jeweiligen konstruktiv gestalteten Rastvorrichtung auf einfache Weise eine Anpassung der Federrate visuell überprüfen.An additional facilitation of the adjustment can be additionally brought about by the fact that the support plate is provided at its upper, the pad support facing side with a display device for the respective rotational position of the support disc relative to the frame part. For example, an adjustment of the spring rate can be checked visually by marking the four different stiffness values of the bearing element with the
Um das Komfortgefühl eines Nutzers der mittels der erfindungsgemäßen Lagerelemente aufgebauten Untermatratzenkonstruktion zusätzlich zu steigern, kann es darüber hinaus vorteilhaft sein, die erfindungsgemäße Konstruktion zusätzlich dadurch zu verbessern, dass die Auflagescheibe mindestens eine Auflagefläche aufweist, die bei auf das Lagerelement aufgelegter, unbelasteter Polsterauflage von der durch das Rahmenteil definierten Auflageebene schräg nach oben in einem spitzen Winkel zur Auflageebene aus dieser hervorsteht.In order to additionally increase the comfort feeling of a user of the sub-mattress construction constructed by means of the bearing elements according to the invention, it may also be advantageous to additionally improve the construction according to the invention in that the bearing plate has at least one bearing surface which, when the pad rest is laid on the bearing element, unloaded padding By the frame part defined support plane obliquely upwards at an acute angle to the support plane protrudes from this.
Durch diese konstruktive Gestaltung ergibt sich für die Auflagescheibe zusätzlich zu den bereits geschilderten Vorteilen eine so genannte Airlift-Funktion. Diese Airlift-Funktion dient dazu, eine ausreichende Hinterlüftung der Polsterauflage bereit zu stellen. Die geschilderte konstruktive Gestaltung zeichnet sich insbesondere dadurch aus, dass durch die schräg nach oben stehenden, üblicherweise in Mehrzahl vorhandenen Auflageflächen eine wesentlich kleinere Auflagefläche bei nicht belasteter Matratze erzielt wird. Dadurch kann kurzfristig die Abführung von Körperfeuchtigkeit erfolgen, so dass auch bei intensiver Nutzung der Polsterauflage durch einen Benutzer kein Feuchtigkeitsgefühl und keine Geruchsbelästigungen infolge nicht abgeführter Feuchtigkeit auftreten können.This structural design results in a so-called airlift function for the support plate in addition to the already described advantages. This airlift function is used to provide sufficient ventilation of the cushion pad. The described structural design is characterized in particular by the fact that a much smaller contact surface is achieved with non-loaded mattress by the obliquely upstanding, usually present in a plurality of support surfaces. As a result, the removal of body moisture can be done in the short term, so that even with intensive use of the cushion pad by a user no feeling of dampness and no odor nuisance due to moisture not removed can occur.
Natürlich sind, um das Problem einer ausreichenden Hinterlüftung zu lösen, aus dem Stand der Technik Lösungen bekannt geworden, bei der besonders ausgebildete und als separate Kunststoffspritzteile ausgebildete Hubelemente mit einer mit dieser zusammenwirkenden Feder ein Anheben der Polsterauflage bei Entlastung über die eigentliche durch die Oberseite des Auflagetellers definierte Auflageebene angehoben wird. Die mit dem Hubelement zusammenwirkende Feder ist dabei so ausgebildet, dass sie infolge ihrer Federsteifigkeit Federkräfte bereitstellt, die größer sind als die infolge des Polsterauflagegewichtes auf das Lagerelement wirkenden Gewichtskräfte in unbelasteten Zustand.Of course, in order to solve the problem of adequate ventilation, known from the prior art solutions in which specially trained and designed as a separate plastic injection molded lifting elements with a cooperating spring lifting the pad with relief on the actual through the top of the Support plate defined support level is raised. The cooperating with the lifting element spring is designed so that it provides spring forces due to their spring stiffness, which are greater than the weight due to the pad support weight acting on the bearing element weight in the unloaded state.
In Verbindung mit der erfindungsgemäßen Gestaltung des Lagerelementes lässt sich jedoch die bereits bekannte Lösung zur Verbesserung der Hinterlüftung von Polsterauflagen, die sich prinzipiell durchaus bewährt hat, zusätzlich verbessern, dadurch dass die so genannte Airlift-Funktion, das heißt, das Anheben der Polsterauflage in unbelastetem Zustand vollständig in die bestehenden Elemente des erfindungsgemäßen Lagerelementes integriert werden kann. Die schräg nach oben stehenden Auflageflächen bewirken, ohne zusätzliche Bauelemente, dass an deren hoch stehenden freien Enden eine punkt- oder linienförmige Auflagezone für die unbelastete Polsterauflage gebildet wird. Die Matratze liegt somit nur an einzelnen Punkten oder Linien ihrer Unterseite auf, so dass die übrige freie Fläche für eine vorteilhafte Hinterlüftung der Polsterauflage dienen kann. Die in dieser Hinsicht ergänzte erfindungsgemäße Gestaltung des Lagerelementes macht kein zusätzliches Bauelement notwendig, so dass jegliche Mehrkosten gegenüber aus dem Stand der Technik bekannten üblichen Lagerelementen entfallen.In connection with the design of the bearing element according to the invention, however, the already known solution for improving the ventilation of upholstery pads, which has proven in principle well, additionally improve, characterized in that the so-called airlift function, that is, the lifting of the cushion support in unloaded Condition can be fully integrated into the existing elements of the bearing element according to the invention. The obliquely upward contact surfaces cause, without additional components, that at their high free ends a point or line-shaped support zone for the unloaded cushion pad is formed. The mattress is thus only at individual points or lines on their underside, so that the rest of the free area can be used for an advantageous ventilation of the cushion pad. The added in this respect inventive design of the bearing element makes no additional component necessary, so that any additional costs compared to known from the prior art conventional bearing elements omitted.
Darüber hinaus ist vorteilhaft, dass für die erfindungsgemäßen Lagerelemente, welche mit einem speziellen Hubelement zur Airlift-Funktion ausgestattet sind, notwendige Montagekosten der erfindungsgemäß ergänzten Auflagescheibe entfallen.Moreover, it is advantageous that account for the mounting elements according to the invention supplemented bearing plate for the bearing elements according to the invention, which are equipped with a special lifting element for the airlift function.
Es hat sich insbesondere hinsichtlich der Airlift-Funktion als vorteilhaft erwiesen, wenn der Winkel der Auflageflächen im unbelasteten Zustand zur Auflageebene im belasteten Zustand der Polsterauflage im Bereich von 5 bis 40° liegt. Bei diesen vorgegebenen Winkelmaßen ist zum einen eine ausreichende Hinterlüftung der Matratze gegeben, andererseits ist die Anhebung der Matratze in unbelastetem Zustand durch die nach oben stehenden Auflageflächen gering genug, damit ein störender optischer Eindruck vermieden wird.It has proven to be advantageous, in particular with regard to the airlift function, when the angle of the support surfaces in the unloaded state to the support plane in the loaded state of the cushion support is in the range of 5 to 40 °. At these predetermined angular dimensions, on the one hand, a sufficient ventilation of the mattress is given, on the other hand, the elevation of the mattress is in the unloaded state by the upwards standing contact surfaces low enough so that a disturbing visual impression is avoided.
Eine weitere vorteilhafte Weiterbildung der Airlift-Vorrichtung sieht vor, dass die Auflageflächen im wesentlichen eine plattenförmige, im Grundriss dreieckige Formgebung aufweisen, wobei eine Längsseite des dreieckförmigen Grundrisses an der Auflagescheibe im äußeren Kantenbereich festgelegt ist. Diese Gestaltung führt dazu, dass die Auflageflächen an derjenigen Seite, die dem äußeren Kantenbereich der Auflagescheibe abgewandt sind, aufgrund ihrer Grundrissgestaltung einzelne punktförmige Auflagezonen für die Matratze bzw. die Polsterauflage bereit stellen.A further advantageous development of the airlift device provides that the support surfaces essentially have a plate-shaped, triangular shape in plan, wherein a longitudinal side of the triangular plan is fixed to the support plate in the outer edge region. Due to its layout, the bearing surfaces on the side facing away from the outer edge region of the support disk provide individual punctiform support zones for the mattress or the cushion support.
Diese punktförmigen Auflagezonen sind für die verbesserte Hinterlüftung der aufgelegten Matratzen optimal. Zusätzlich vorteilhaft kann darüber hinaus die Ausgestaltung der Auflageflächen dahingehend sein, dass diese mindestens eine oder vorzugsweise mehrere Durchbrechungen aufweisen. Die Durchbrechungen erhöhen die Hinterlüftungsmöglichkeit im belasteten Zustand der Matratze und unterstützen zusätzlich auch bei Gebrauch der Matratze durch eine darauf liegende Person die Abführung von Körperfeuchtigkeit.These punctiform support zones are optimal for the improved ventilation of the applied mattresses. In addition, the design of the bearing surfaces may additionally be advantageous in that they have at least one or preferably a plurality of apertures. The openings increase the possibility of ventilation in the loaded state of the mattress and additionally support the removal of body moisture even when the mattress is being used by a person lying on it.
Die Auflageflächen sind in vorteilhafter Weise symmetrisch an der Auflagescheibe angeordnet.The bearing surfaces are arranged symmetrically on the support plate in an advantageous manner.
Ein Ausführungsbeispiel des Gegenstandes der Erfindung wird nachfolgend anhand der beigefügten Zeichnungen näher erläutert. Die Zeichnungen zeigen dabei unterschiedliche Varianten des erfindungsgemäßen Grundgedankens als auch ergänzende vorteilhafte Gestaltungen entsprechend der Unteransprüche. Es zeigt:
Figur 1- eine perspektivische Gesamtdarstellung des erfindungsgemäßen Lagerelementes;
Figur 2- eine Halbschnittdarstellung des Lagerelementes aus
Figur 1 ; Figur 3- eine Draufsicht auf das
Lagerelement aus Figur 1 , wobei dieFederstufe 0 mit geringster Federsteifigkeit dargestellt ist; - Figur 3a
- eine Unteransicht des Federelementes aus
den Figuren 1 inbis 3Stufe 0 der Federsteifigkeit; - Figur 3b
- eine schematische Teilansicht des zum erfindungsgemäßen Lagerelement gehörenden Wellfederelementes in
Stufe 0 der Federsteifigkeit; Figur 4- eine Draufsicht auf das erfindungsgemäße Federelement in
Stufe 1 mit etwas erhöhter Federsteifigkeit; - Figur 4a
- eine Unteransicht des Lagerelementes in
Stufe 1 der Federsteifigkeit; - Figur 4b
- eine schematische Teildarstellung entsprechend der
Figur 3b des Wellfederelementes inStufe 1 der Federsteifigkeit; Figur 5- eine Draufsicht auf das erfindungsgemäße Lagerelement in
Stufe 2mit gegenüber Stufe 1 erhöhter Federsteifigkeit; - Figur 5a
- eine Unteransicht des Lagerelementes aus
Figur 5 ; - Figur 5b
- eine schematische Teildarstellung des Wellfederelementes in
Stufe 2 der Federsteifigkeit; Figur 6- eine Draufsicht auf das erfindungsgemäße Lagerelement in
Stufe 3 mit höchster Federsteifigkeit; - Figur 6a
- eine Unteransicht des Lagerelementes aus
Figur 6 ; - Figur 6b
- eine schematische Teildarstellung des Wellfederbereiches des Lagerelementes in
Stufe 3 mit höchster Federsteifigkeit des Federelementes; Figur 7- eine perspektivische Darstellung des erfindungsgemäßen Lagerelementes ohne montierte Auflagescheibe;
Figur 8- eine Seitenansicht des Lagerelementes ohne Auflagescheibe entsprechend der
Figur 7 ; Figur 9- eine Draufsicht auf das Lagerelement ohne Auflagescheibe entsprechend der
Figuren 7 und 8 ; Figur 10- eine perspektivische Ansicht von unten einer einzelnen zum Lagerelement gehörenden Auflagescheibe;
Figur 11- eine Draufsicht von oben auf die
Auflagescheibe der Figur 10 ; Figur 12- eine Seitenansicht der Auflagescheibe der
Figuren 10 ;und 11 Figur 13- ein Steifigkeitsdiagramm des erfindungsgemäßen Lagerelementes in Abhängigkeit der auf das Lagerelement wirkenden Kräfte für die unterschiedlichen Einstellungsstufen 0
bis 3.
- FIG. 1
- an overall perspective view of the bearing element according to the invention;
- FIG. 2
- a half-sectional view of the bearing element
FIG. 1 ; - FIG. 3
- a plan view of the bearing element
FIG. 1 , wherein thespring stage 0 is shown with the lowest spring stiffness; - FIG. 3a
- a bottom view of the spring element of the
FIGS. 1 to 3 instage 0 of spring stiffness; - FIG. 3b
- a schematic partial view of belonging to the bearing element according to the invention wave spring element in
stage 0 of the spring stiffness; - FIG. 4
- a plan view of the spring element according to the invention in
step 1 with slightly increased spring stiffness; - FIG. 4a
- a bottom view of the bearing element in
stage 1 of the spring stiffness; - FIG. 4b
- a schematic partial view corresponding to
FIG. 3b the wave spring element instage 1 of the spring stiffness; - FIG. 5
- a plan view of the bearing element according to the invention in
stage 2 with respect tostage 1 increased spring stiffness; - FIG. 5a
- a bottom view of the bearing element
FIG. 5 ; - FIG. 5b
- a schematic partial view of the wave spring element in
stage 2 of the spring stiffness; - FIG. 6
- a plan view of the bearing element according to the invention in
step 3 with the highest spring stiffness; - FIG. 6a
- a bottom view of the bearing element
FIG. 6 ; - FIG. 6b
- a schematic partial view of the corrugated spring region of the bearing element in
step 3 with the highest spring stiffness of the spring element; - FIG. 7
- a perspective view of the bearing element according to the invention without mounted support plate;
- FIG. 8
- a side view of the bearing element without support plate according to the
FIG. 7 ; - FIG. 9
- a plan view of the bearing element without support plate according to the
FIGS. 7 and 8 ; - FIG. 10
- a bottom perspective view of a single bearing disc belonging to the bearing element;
- FIG. 11
- a top view from above of the support plate of the
FIG. 10 ; - FIG. 12
- a side view of the support plate of
FIGS. 10 and 11 ; - FIG. 13
- a stiffness diagram of the bearing element according to the invention in dependence of the forces acting on the bearing element forces for the
different adjustment stages 0 to 3.
Das in den Figuren insgesamt mit der Bezugsziffer 1 bezeichnete Lagerelement besitzt in seinem unteren Bereich eine Bodenplatte 2, an der eine nicht näher dargestellte Befestigungsvorrichtung 3 zur Festlegung des Lagerelementes 1 an einem Lattenrost oder einer plattenförmigen Unterbettkonstruktion vorgesehen ist.The designated in the figures with the
Die Befestigungsvorrichtung 3 kann unterschiedlich ausgebildet sein und beispielsweise in herkömmlicher Weise aus einer Verschraubung bestehen. Zur leichteren Austauschbarkeit der Lagerelemente können jedoch auch leicht und ohne Werkzeug lösbare Befestigungstechniken wie beispielsweise Bajonettverschlüsse zum Einsatz kommen. Bei Verwendung eines Bajonettverschlusses kann ein Bajonetthaken in an sich bekannter Ausgestaltung durch die Durchbrechung 4 in der Bodenplatte 2 des Lagerelementes 1 hindurch gesteckt werden. Eine Verdrehung des Lagerelementes 1 führt dann dazu, dass der länglich ausgestaltete Bajonetthaken an der Oberseite der Bodenplatte zur Anlage kommt und das Lagerelement somit am entsprechenden Unterbau in Form eines Lattenrostes oder einer sonstigen Unterbettkonstruktion festgelegt wird. Ein Lösen erfolgt in umgekehrter Reihenfolge durch Drehung des Lagerelementes und anschließendes Abheben der Bodenplatte vom Bajonetthaken.The
Ausgehend von der Bodenplatte 2 besitzt das Lagerelement 1 eine Mehrzahl von schräg nach oben stehenden Federarmen 6, wobei im vorliegenden Ausführungsbeispiel vier Federarme symmetrisch über den Umfang des Lagerelementes verteilt sind. Die Federarme 6 sind an ihrem oberen, der Bodenplatte 2 abgewandten Ende mit Wellfederelementen 7 versehen, die wesentlich die Federeigenschaften des Lagerelementes bestimmen.Starting from the
Jedes Wellfederelement 7 besteht aus zwei Federschenkeln 11 und 12, die auf um die Mittelachse 8 umlaufenden konzentrischen Ringbahnen 9 und 10 angeordnet sind. Der Federschenkel 11 ist dabei mit seinem oberen freien Ende am Ende des Federarmes 6 festgelegt, sein unteres weiteres freies Ende ist mittels eines Verbindungssteges 13 mit dem unteren Ende des Federschenkels 12 verbunden. Das obere freie Ende des Federschenkels 12 ist an einem zu einem Auflageteller 14 gehörenden Rahmenteil 15 festgelegt.Each
Das Rahmenteil 15 besitzt eine im wesentlichen rechteckförmige Außenkontur und weist eine mittige Ausnehmung auf, in die eine Auflagescheibe 16 eingesetzt ist. Die Auflagescheibe 16 ist um die Mittelachse 8 des Lagerelementes 1 drehbar und auf Halteschultern 23 aufgelegt, die ein Durchfallen der Auflagescheibe 16 nach unten in Richtung der Bodenplatte 2 verhindern. Die Halteschultern 23 sind dabei, wie dies insbesondere aus den
Im Außenbereich der Auflagescheibe 16 befindet sich konzentrisch auf einer gemeinsamen Ringbahn eine Mehrzahl von Stegen 17.1, 17.2 und vorzugsweise 17.3, wobei jeweils zwischen den nebeneinander angeordneten Stegen 17.3 und 17.1 ein stegfreier Bereich befindlich ist. Die Anordnung der Stege 17.1, 17.2 und 17.3 kann im einzelnen den Unteransichten des Lagerelementes entsprechend der
Auf Grund der Tatsache, dass die Auflagescheibe 16 innerhalb des Rahmenteiles 15 drehbar ist, kann jeweils je ein Steg 17.1, 17.2 oder 17.3 einer Baugruppe in den U-förmigen Zwischenraum der beiden Federschenkel 11 und 12 eines Wellfederelementes 7 eingeschoben werden.Due to the fact that the
Wie im einzelnen den
Auf Grund der Anzahl der Stege 17.1, 17.2. und vorzugsweise 17.3 lassen sich somit unter Berücksichtigung der stegfreien Position am Umfang insgesamt beispielsweise vier unterschiedliche Härtestufen der Federung des Lagerelementes einstellen. In der
Der
Es ergibt sich somit eine größte Nachgiebigkeit für den Steg 17.1, der nur auf Grund seiner Querschnittsgestaltung eine gewisse Einschränkung der Beweglichkeit des Wellfederelementes zulässt. Die Einschränkung der Beweglichkeit der Federschenkel 11 und 12 eines Wellfederelementes 7 ist dabei der
Die zusätzliche Anordnung von äußeren Versteifungsrippen 18 am Steg 17.2 führt zu einer erhöhten Steifigkeit, die wiederum eine stärkere Einschränkung der Bewegung der Federschenkel 11 und 12 entsprechend der
Wie zusätzlich der
Um die einzelnen Stufen 0 bis 3 der Federsteifigkeit des Lagerelementes 1 zu fixieren, ist an der Auflagescheibe 16 und dem Rahmenteil 15 eine Rastvorrichtung angeordnet, die aus mehreren Rastnasen 20 besteht, die an der zur Bodenplatte gerichteten Unterseite des Rahmenteiles 15 jeweils in der Mitte zwischen den Federarmen 6 angeordnet sind, wie sich insbesondere aus der
Zur Verdeutlichung der unterschiedlich wählbaren Federsteifigkeiten des erfindungsgemäßen Lagerelementes ist in der
In Stufe 2 ist die Federsteifigkeit nochmals erhöht, so dass sich eine weitere Einschränkung des Federweges ergibt. Schließlich ist im Diagramm der
Entsprechend einer vorteilhaften Weiterbildung des erfindungsgemäßen Lagerelementes kann dieses optional mit einer so genannten Air-Lift-Funktion versehen werden. Die Air-Lift-Funktion ist in die Auflagescheibe 16 integriert und besteht im Wesentlichen darin, dass die Auflagescheibe 16 eine Mehrzahl von im vorliegenden Fall sechs Auflageflächen 24.1, 24.2, 24.3, 24.4, 24.5 und 24.6 aufweist, die vorliegend eine dreieckförmige Gestaltung besitzen und mit ihrem einen Seitenbereich im äußeren Randbereich der Auflagescheibe 16 festgelegt sind.According to an advantageous development of the bearing element according to the invention this can optionally be provided with a so-called air-lift function. The air-lift function is integrated in the
Wie dies insbesondere der
Wird die Auflagescheibe bzw. das Polsterelement durch eine darauf lagernde Person in erhöhten Maße belastet, so bilden die schräg nach oben stehenden Auflageflächen dann gemeinsam mit dem Rahmenelement eine insgesamt einheitliche Auflageebene 25, so dass eine vollflächige Unterstützung der Polsterauflage gewährleistet ist.If the support disk or the upholstery element is loaded to a greater extent by a person supporting it, then the obliquely upward contact surfaces together with the frame element form an overall
Die Auflageflächen sind, wie dies den Draufsichten der
- 11
- Lagerelementbearing element
- 22
- Bodenplattebaseplate
- 33
- Befestigungsvorrichtungfastening device
- 44
- Durchbrechungperforation
- 66
- Federarmspring arm
- 77
- WellfederelementWell spring element
- 88th
- Mittelachsecentral axis
- 99
- RingbahnRingbahn
- 1010
- RingbahnRingbahn
- 1111
- Federschenkelspring leg
- 1212
- Federschenkelspring leg
- 1313
- Verbindungsstegconnecting web
- 1414
- AuflagetellerSupport plate
- 1515
- Rahmenteilframe part
- 1616
- Auflagescheibebearing plate
- 17.117.1
- Stegweb
- 17.217.2
- Stegweb
- 17.317.3
- Stegweb
- 1818
- äußere Versteifungsrippeouter stiffening rib
- 1919
- innere Versteifungsrippeinner stiffening rib
- 2020
- Rastnaselocking lug
- 2121
- Rastausnehmungrecess
- 2222
- Anzeigevorrichtungdisplay device
- 2323
- Halteschulterretaining shoulder
- 24.124.1
- Auflageflächebearing surface
- 24.224.2
- Auflageflächebearing surface
- 24.324.3
- Auflageflächebearing surface
- 24.424.4
- Auflageflächebearing surface
- 24.524.5
- Auflageflächebearing surface
- 24.624.6
- Auflageflächebearing surface
- 2525
- Auflageebenesupport plane
Claims (21)
- Support element (1) for a cushion cover for seating and lying areas, preferably for mattresses, comprising a base plate (2) that can be fixed to a base, and at least one spring element formed by a plurality of spring arms (6) extending upwards from the base plate (2) in the direction of the cushion cover, wherein the spring arms are each provided with a substantially U-shaped corrugated spring element(7) on the upper ends thereof, facing away from the base plate, which corrugated spring element consists of at least two parallel spaced-apart spring legs (11, 12) located on concentric ring tracks (9, 10) and disposed about the central axis (8) of the support element and at least one connecting bar (13) joining the spring legs, and wherein one end of the spring leg (11) located on the inner ring track (9) is connected to the respective appurtenant spring arm, and one end of the spring leg (12) located on the outer ring track (10) is connected to a support plate (14) provided for supporting the cushion element, characterised in that the support plate (14) consists of a ring-shaped frame part (15) connecting the upper ends of the spring legs (12) of the corrugated spring elements (7) and a support disc (16) rotatable about the central axis (8) of the support element in the frame part (15), wherein the support disc (18) is provided in the outer edge region thereof with an adjusting device for limiting the movement of the spring legs (11 and 12) of the corrugated spring elements (7), wherein the adjusting device comprises a plurality of bars (17.1, 17.2 and preferably 17.3) arranged at regular intervals on a concentric ring track arranged about the central axis (8) of the support element on the lower flat side of the support disc (16) facing the base plate (2), which bars can be brought in contact with a plurality of spring legs (11 and 12) in each case for limiting the movement of the spring legs (11 and 12) of the corrugated spring elements (7) when weight is applied to the support element.
- The support element according to claim 1, characterised in that a plurality of bars (17.1, 17.2 and preferably 17.3) arranged side by side on the ring track each are associated with one spring leg (11 and 12), wherein the bars (17.1, 17.2 and preferably 17.3) are configured differently in regard to their stiffness.
- The support element according to claim 1 or 2, characterised in that the bars (17.1, 17.2 and preferably 17.3) have different cross-sections.
- The support element according to any one of claims 1 to 3, characterised in that the bars (17.1, 17.2 and preferably 17.3) substantially have a rectangular cross-section.
- The support element according to any one of claims 1 to 4, characterised in that the bars (17.1, 17.2 and preferably 17.3) are provided with at least one outer stiffening rib (18) or an inner stiffening rib (19) on at least one of the lateral faces disposed perpendicular to the ring track.
- The support element according to claim 5, characterised in that the stiffening ribs (18 and 19) are disposed on both lateral faces disposed perpendicular to the ring track.
- The support element according to claim 4 or 5, characterised in that two stiffening ribs (18 and 19) are disposed on the lateral faces of the respective bars (17.1, 17.2 and preferably 17.3).
- The support element according to claim 6, characterised in that the stiffening ribs (18 and 19) have different sizes on the two lateral faces of the bars (17.1, 17.2 and preferably 17.3).
- The support element according to any one of claims 1 to 8, characterised in that three bars (17.1, 17.2 and preferably 17.3) arranged side by side on the ring track are associated with a corrugated spring element (7) so that it is possible to limit the movement of the spring legs (11 and 12) of the corrugated spring elements (7) in four stages when weight is applied to the support elements, which correspond to an adjustment of the spring constant of the spring element to four different values.
- The support element according to any one of claims 1 to 9, characterised in that the support disc (16) is provided with a snap-in locking device for fixing different rotational positions in relation to the frame part (15).
- The support element according to claim 10, characterised in that the snap-in locking device comprises at least one latch (20) on the frame part (15) or on the support disc (16) that can be latched in order to fix the rotational position of the support disc (16) in a corresponding latch recess (21) on the support disc (16) or on the frame part (15) that is part of the snap-in locking device.
- The support element according to any one of claims 1 to 11, characterised in that the support disc (16) is provided with a display device (22) for the rotational position of the support disc (16) in relation to the frame part (15).
- The support element according to any one of claims 1 to 12, characterised in that the bars (17.1, 17.2 and preferably 17.3) on the support disc (16) can be brought into an operative connection with the spring leg (11) of the corrugated spring element (7) disposed on the inner ring track.
- The support element according to any one of claims 1 to 13, characterised in that the spring path of at least one corrugated spring element (7) can be blocked by at least one appurtenant bar disposed on the spring disc.
- The support element according to any one of claims 1 to 14, characterised in that the support disc (16) comprises at least one support face that projects upwards at an acute angle in relation to the support plane (25) from the support plane (25) that is defined by the frame part (15) when the unloaded cushion cover is placed on the support element.
- The support element according to claim 15, characterised in that the support face or the support faces (24.1 to 24.6) substantially have a plate-shaped triangular outline shape, wherein one longitudinal side of the triangular outline is fixed to the support disc (16) in the outer edge region.
- The support element according to any one of claims 15 or 16, characterised in that the support faces (24.1 to 24.6) have at least one opening.
- The support element according to any one of claims 15 to 17, characterised in that the support disc (16) comprises six symmetrically disposed support faces (24.1 to 24.6).
- The support element according to any one of claims 15 to 18, characterised in that the support faces (24.1 to 24.6) are disposed in a protruding manner with respect to the central axis (8) of the support disc (16)
- The support element according to any one of claims 15 to 19, characterised in that the support element is made from plastic in an injection moulding process.
- The support element according to any one of claims 15 to 20, characterised in that the angle of the support faces (24.1 to 24.6) with respect to the support plane lies in the range of 5 to 40 degrees.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07857780T PL2139366T3 (en) | 2007-04-02 | 2007-12-19 | Support element for a cushion cover for seating and lying areas |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202007000005U DE202007000005U1 (en) | 2007-04-02 | 2007-04-02 | Bearing element for a cushion support of sitting and lying surfaces |
PCT/EP2007/064156 WO2008119400A1 (en) | 2007-04-02 | 2007-12-19 | Support element for a cushion cover for seating and lying areas |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2139366A1 EP2139366A1 (en) | 2010-01-06 |
EP2139366B1 true EP2139366B1 (en) | 2012-05-16 |
Family
ID=39276184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07857780A Active EP2139366B1 (en) | 2007-04-02 | 2007-12-19 | Support element for a cushion cover for seating and lying areas |
Country Status (8)
Country | Link |
---|---|
US (1) | US8256043B2 (en) |
EP (1) | EP2139366B1 (en) |
CN (1) | CN101652086B (en) |
DE (1) | DE202007000005U1 (en) |
DK (1) | DK2139366T3 (en) |
ES (1) | ES2386208T3 (en) |
PL (1) | PL2139366T3 (en) |
WO (1) | WO2008119400A1 (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202009004803U1 (en) * | 2009-05-12 | 2010-07-15 | Froli Kunststoffwerk Heinrich Fromme Ohg | Spring core element for use in a mattress, for example pocket spring mattress |
DE102010045733A1 (en) * | 2010-07-30 | 2012-02-02 | Siegbert Hartmann | Support element of a seat or reclining chair suspension |
DE202010015380U1 (en) * | 2010-11-11 | 2012-02-17 | Hermann Bock Gmbh | spring element |
DE202011050741U1 (en) | 2011-07-15 | 2012-07-16 | Froli Kunststoffwerk Heinrich Fromme Ohg | Support device for a cushion pad of a lying or sitting area |
DE202014104824U1 (en) * | 2014-10-08 | 2015-10-09 | Froli Kunststoffwerk Heinrich Fromme, Inh. Margret Fromme-Ruthmann E.Kfr. | Arrangement with several spring elements for a cushion pad |
FR3035579B1 (en) * | 2015-04-30 | 2017-12-08 | Tournadre Sa Standard Gum | MONOBLOC MATTRESS SUSPENSION DEVICE |
US10219627B2 (en) * | 2016-09-29 | 2019-03-05 | Steelcase Inc. | Compliant seating structure |
EP3403538A1 (en) * | 2017-05-16 | 2018-11-21 | Bekina Indurub | Adaptable mattress support element |
CN110397701A (en) * | 2019-06-17 | 2019-11-01 | 华为技术有限公司 | A kind of isolation mounting, vibrating isolation system and the vehicles |
EP4030968A4 (en) | 2019-09-18 | 2023-10-04 | Steelcase Inc. | Body support member with lattice structure |
US20210307523A1 (en) | 2020-04-07 | 2021-10-07 | Lg Electronics Inc. | Bed |
KR20210124682A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Control method of bed |
KR20210124672A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Bed |
KR20210124673A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Bed |
KR20210124677A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Bed |
KR20210124675A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Bed |
KR20210124678A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Cushion device Bed |
KR20210124680A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Control method of bed |
KR20210124681A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Bed |
KR20210124679A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Bed |
KR20210124674A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Cushion device Bed |
KR20210124676A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Cushion intensity control unit and bed having the same |
KR20210124671A (en) | 2020-04-07 | 2021-10-15 | 엘지전자 주식회사 | Bed |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29712720U1 (en) * | 1997-07-18 | 1998-09-10 | Froli Kunststoffe Heinrich Fro | Bearing element for seating or lying areas and substructure therefor |
DE29916753U1 (en) * | 1999-09-23 | 2000-11-23 | Froli Kunststoffwerk Fromme H | Spring element for seating or lying surfaces |
DE10024530A1 (en) * | 2000-05-18 | 2001-11-22 | Heidinger Florian | Support device |
DE20300248U1 (en) * | 2002-07-31 | 2003-09-11 | Froli Kunststoffwerk Fromme H | Bed frame spring has adjustable upthrust unit with arms resting on supporting curved base plate |
DE20318252U1 (en) * | 2003-11-24 | 2004-12-30 | Froli Kunststoffwerk Heinrich Fromme Ohg | Sprung support for seat and seat back has spring elements with outer support flanges clipped onto guide rails on a base support layer for an adjustable support for the cover layers |
DE202005010441U1 (en) * | 2005-06-30 | 2006-08-10 | Froli Kunststoffwerk Heinrich Fromme Ohg | Spring element consists of upper and lower spring connected to spring spars that have a central plate with, optionally, a Bayonet lock to facilitate joining of the upper and lower spring |
-
2007
- 2007-04-02 DE DE202007000005U patent/DE202007000005U1/en not_active Expired - Lifetime
- 2007-12-19 WO PCT/EP2007/064156 patent/WO2008119400A1/en active Application Filing
- 2007-12-19 CN CN200780052446.7A patent/CN101652086B/en active Active
- 2007-12-19 ES ES07857780T patent/ES2386208T3/en active Active
- 2007-12-19 DK DK07857780.6T patent/DK2139366T3/en active
- 2007-12-19 PL PL07857780T patent/PL2139366T3/en unknown
- 2007-12-19 US US12/594,346 patent/US8256043B2/en active Active
- 2007-12-19 EP EP07857780A patent/EP2139366B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20100058536A1 (en) | 2010-03-11 |
CN101652086A (en) | 2010-02-17 |
DK2139366T3 (en) | 2012-08-27 |
WO2008119400A1 (en) | 2008-10-09 |
ES2386208T3 (en) | 2012-08-13 |
US8256043B2 (en) | 2012-09-04 |
PL2139366T3 (en) | 2012-10-31 |
EP2139366A1 (en) | 2010-01-06 |
CN101652086B (en) | 2012-11-07 |
DE202007000005U1 (en) | 2008-05-08 |
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