EP1741853B1 - Support for flase floors - Google Patents

Support for flase floors Download PDF

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Publication number
EP1741853B1
EP1741853B1 EP06013174A EP06013174A EP1741853B1 EP 1741853 B1 EP1741853 B1 EP 1741853B1 EP 06013174 A EP06013174 A EP 06013174A EP 06013174 A EP06013174 A EP 06013174A EP 1741853 B1 EP1741853 B1 EP 1741853B1
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EP
European Patent Office
Prior art keywords
head
vertical part
foot
recess
support
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EP06013174A
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German (de)
French (fr)
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EP1741853A3 (en
EP1741853A2 (en
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Dietrich Anton Fuchs
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Individual
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Publication of EP1741853A3 publication Critical patent/EP1741853A3/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/024—Sectional false floors, e.g. computer floors
    • E04F15/02447—Supporting structures
    • E04F15/02464—Height adjustable elements for supporting the panels or a panel-supporting framework
    • E04F15/0247—Screw jacks
    • E04F15/02476—Screw jacks height-adjustable from the upper side of the floor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation

Definitions

  • the invention relates to a support for a cavity floor.
  • a cavity floor in the sense of this document consists of a subfloor, from a lying at a distance above the shelf and supports, which extend between the subfloor and shelf and support the shelf.
  • the shelf of a room is normally composed of a plurality of individual plate elements, which abut each other with their edges, and which can be individually detached from the composite or used in these - for example, to lay in the cavity of the floor new cable.
  • the supports consist of a central, generally vertically oriented vertical part, a lower foot part with which they rest against the subfloor, and an upper carrier plate on which rest the plate elements of the tray.
  • the distance between carrier plate and foot part of a support is usually adjustable in order to adjust the shelf in the correct position can.
  • the DE 3331056 A1 shows a support, according to which the vertical part is formed as a threaded rod. Towards the lower end, it first narrows and then widens into a sphere. This ball is inserted in a corresponding recess on the upper side of the foot part, which may typically be formed as a plastic part.
  • the support plate of the support is engaged as a nut with the thread of the vertical part.
  • the height adjustment is made by a screwdriver is brought by a recess in the topsoil with a tool holder on the upper end face of the vertical part in engagement, and the vertical part is rotated about its longitudinal axis. As a result, the carrier plate, which is held against rotation on the topsoil, moves up or down.
  • An advantage of this solution is that it can be a metallic solid, slender vertical part with a wider foot of plastic, which better absorbs structure-borne noise than metal, combined. Furthermore, it is advantageous that foot part and vertical part are mutually adjustable in a certain angular range, so that an adjustment possibility is given to uneven floors.
  • a disadvantage of this solution is that the abutment surface between the vertical part and the foot part must be kept relatively small, otherwise the end ball of the vertical part would have to be made very large and thus expensive in consequence of material costs for a mass media part. So that the foot part can withstand the large surface pressure, it is made of a relatively firm and therefore also stiff material.
  • the DE 40 31 864 A1 shows a support in the vertical part and foot part are connected to each other via an encompassed by a recess on the foot part end ball of the vertical part.
  • a part to be fastened separately at the bottom of the foot part for the purpose of damping the structure-borne sound also shows the DE 296 02 939 U1 ,
  • the fastening of the vertical part on the foot part takes place here by the executed as a threaded rod vertical part is screwed into a threaded sleeve attached to the foot part.
  • the foot part is otherwise designed as a plastic part. The foot part is thus relatively expensive to manufacture, and also the screwing of the vertical part is time consuming.
  • the DE 21 47 745 A shows a support for shelves, wherein a part-spherical, widened lower head end of a vertical part is inserted into a part-spherical pan of a foot part.
  • a part-spherical, widened lower head end of a vertical part is inserted into a part-spherical pan of a foot part.
  • the pan covers the head end by more than one hemisphere surface.
  • the pan is divided by radial slots in several ribs. Nevertheless, the connection process is difficult and with good material utilization only very hard plastics can be used for the foot part.
  • the DE 10 2004 005 764 A1 also shows a support for shelves, wherein in a trough of a foot part a widened lower head end of a hollow vertical part is inserted. At the edge of the trough, ribs abut the head end of the vertical part and extend over this head part in the direction of the vertical axis of the vertical part.
  • foot and ground are connected to each other after the erection of the support by an adhesive mass.
  • the inventor has set himself the task of developing a support for raised floors, which improves on previously known supports in such a way that the connection process between the compulsorily long, slender, made of a solid material vertical part and the rather flat, wide foot part so simple and fast can be reasonably expected of the end user and that the support provides better adaptability to uneven and rough subfloors.
  • the support should be inexpensive to manufacture, storage and transport.
  • a threaded rod is used as a support, which at its lower end with respect to its other diameter to a spherical segment-shaped head is widened, which abuts with its partially spherical shell-shaped outer surface in a counterpart, partially spherical surface trough at the top of the foot part. He is held there by resilient projections, which protrude as part of the foot from the edge of said trough over the trough surface radially toward the trough center axis, form a stop surface for the collar surface of the head and have a small distance to the collar surface of the head.
  • the vertical part 1 By the lower end of the vertical part 1 is designed as a broad spherical segmental head 1.2, which rests with its teilkugelschalenförmigen outer surface of an at least approximately equal to trained trough 2.1.1 of the foot part 2, over the above-described prior art embodiments, a lower surface pressure between the vertical part and foot part is achieved. This makes it possible to make the foot part of a softer material.
  • the vertical part 1 is held by three rather narrow resilient projections 2.1.2, which from the edge of the trough 2.1.1, evenly distributed around the circumference, protrude over the trough away a piece direction screw axis.
  • these projections 2.1.2 form a stop against which the vertical part rests with the collar surface of the head 1.2. If, when establishing the connection between vertical part 1 and foot part 2, the head 1.2 of the vertical part is introduced into the trough 2.1.1 on the foot part, the resilient projections 2.1.2 are temporarily deformed somewhat. Since under normal use of the support never great forces occur, by which vertical part 1 and foot 2 could be separated from each other, the resilient projections 2.1.2 very soft, so be designed with very small cross-sectional area. This makes the connection between the foot and the vertical part so easy and effortless that it can be made intuitively by the end user when mounting the double floor. This foot parts and vertical parts can be stored separately and sold. Compared to a pre-assembly by the manufacturer, this results in significant savings in storage volume and other deployment costs, especially when the vertical parts are offered and provided in several different standard lengths.
  • connection between a vertical part 1 and a foot part 2, which has three resilient projections 2.1.2 done in the following manner:
  • the vertical part 1 is attached at an acute angle with respect to the plane of the three resilient projections 2.1.2 with the head 1.2 at two of these projections that abut their tips on the collar surface of the screw head, and the hemisphere surface of the screw head rests on the third resilient projection.
  • the vertical part 1 is rotated in the normal direction to the plane of the three resilient projections 2.1.2, so that the tip of the third resilient projection slides along the spherical section surface and finally over the edge thereof to the collar surface of the head 1.2, ie that surface which between peripheral edge of the head 1.2 and adjoining area of the vertical part lies, snaps.
  • the vertical part 1 is fixed in the desired manner to m foot part 2, namely so that it is rotatable about its vertical axis, but is held against relative movement along this axis.
  • the head can be 1.2 also attached by being pressed straight into the trough, while the downwardly bent resilient projections again on the Edge edge jump. It is a normal professional work, the material of the foot and the dependent thereon geometry of the resilient projections designed so that the assembly operations described are easily possible.
  • the lower surface of the foot should not be designed simply as a plane, but as a group of projections (2.2.1), which protrude downwards and lie with their tips against the underbody.
  • these elevations have a continuously decreasing cross-sectional area over their height.
  • they can be designed as pyramids, truncated pyramids, cones or truncated cones instead of as cuboid or cylinder.
  • a particularly good attenuation of structure-borne noise results when the underlying area 2.2 of the foot part 2 is made of a softer and therefore better damping plastic or plastic foam than the upper portion 2.1, which can not be made so soft because of the required strength.
  • the upper firmer region 2.1 and the lower softer region 2.2 of the foot part 2 are already produced together in a two-component injection molding process, and not subsequently connected to one another.
  • the foot parts are mass-produced parts and the higher one-off costs for the tool production are more than compensated by the running labor costs thus avoided.
  • the carrier plate 3 is screwed as a nut with a plate-like enlarged face on the vertically extending threaded rod 1.1 of the vertical part 1.
  • the Height of the support plate 3 on the foot part 1 is adjusted by the support plate on the threaded rod 1.1 up or down is screwed. If already parts of the top rest on the support plate 3, so this is secured against rotation about the threaded rod 1.1; either only by friction on the topsoil, or by being held by protrusions on recesses or columns.
  • the height of the topsoil above the subfloor can now be finely adjusted by the vertical part 1 is rotated about its axis.
  • the vertical part is provided with two possibilities of engagement for a tool.
  • an engagement geometry 1.4 is mounted for a screwdriver.
  • the height can then be adjusted well when there is a through hole in the topsoil.
  • the foot part and head of the vertical part should be dimensioned so that when the vertical part mounted collar surface of the head 1.2 and bottom of the resilient projections 2.1.2 of the foot are not directly adjacent to each other, but that a small gap is therebetween. Above all, it is achieved that the axis of the vertical part relative to the foot part in a certain angular range is pivotable. This achieves a good adaptability of the support to uneven subfloors.
  • the trough 2.1.1 can also be provided with local elevations, and the head 1.2 with corresponding local depressions.

Abstract

A building has a floor separated from a separate supporting structure by an array of supports forming a void in which e.g. utility cables are installed. The support has a foot with a universal joint linked by a rod to an upper support flange. The rod bears an outer thread that engages with inner threads at top and bottom for height adjustment.

Description

Die Erfindung betrifft eine Stütze für einen Hohlraumboden.The invention relates to a support for a cavity floor.

Ein Hohlraumboden im Sinne dieser Schrift besteht aus einem Unterboden, aus einem in einem Abstand dazu darüber angeordneten Auflegeboden und Stützen, welche sich zwischen Unterboden und Auflegeboden erstrecken und den Auflegeboden abstützen. Der Auflegeboden eines Raumes ist im Normalfall aus einer Mehrzahl von einzelnen Plattenelementen zusammengesetzt, welche mit ihren Rändern aneinander anliegen, und welche einzeln aus dem Verbund gelöst bzw. in diesen eingesetzt werden können - beispielsweise um im Hohlraum des Bodens neue Kabel zu verlegen. Die Stützen bestehen aus einem mittleren, im allgemeinen vertikal ausgerichteten Vertikalteil, einem unteren Fußteil mit dem sie am Unterboden anliegen, und einem oberen Trageteller, auf welchem die Plattenelemente des Auflegebodens aufliegen. Der Abstand zwischen Trageteller und Fußteil einer Stütze ist üblicherweise einstellbar, um den Auflegeboden in der richtigen Lage einjustieren zu können.A cavity floor in the sense of this document consists of a subfloor, from a lying at a distance above the shelf and supports, which extend between the subfloor and shelf and support the shelf. The shelf of a room is normally composed of a plurality of individual plate elements, which abut each other with their edges, and which can be individually detached from the composite or used in these - for example, to lay in the cavity of the floor new cable. The supports consist of a central, generally vertically oriented vertical part, a lower foot part with which they rest against the subfloor, and an upper carrier plate on which rest the plate elements of the tray. The distance between carrier plate and foot part of a support is usually adjustable in order to adjust the shelf in the correct position can.

Die DE 3331056 A1 zeigt eine Stütze, entsprechend welcher der Vertikalteil als Gewindestange ausgebildet ist. Zu ihrem unteren Ende hin verengt sie sich erst und erweitert sich dann zu einer Kugel. Diese Kugel steckt in einer gegengleichen Ausnehmung an der Oberseite des Fußteiles, welcher typischerweise als Kunststoffteil ausgebildet sein kann. Der Trageteller der Stütze ist als Schraubenmutter mit dem Gewinde des Vertikalteils in Eingriff. Die Höheneinstellung erfolgt, indem durch eine Ausnehmung im Oberboden ein Schraubendreher mit einer Werkzeugaufnahme an der oberen Stirnfläche des Vertikalteils in Eingriff gebracht wird, und der Vertikalteil um seine Längsachse gedreht wird. Dadurch wandert der gegen Verdrehung am Oberboden gehaltene Trageteller nach oben oder unten. Vorteilhaft an dieser Lösung ist, dass damit eine metallisch fester, schlanker Vertikalteil mit einem breiteren Fußteil aus Kunststoff, welcher Körperschall besser als Metall dämpft, kombiniert werden kann. Des weiteren ist vorteilhaft, dass Fußteil und Vertikalteil zueinander in einem gewissen Winkelbereich einstellbar sind, sodass eine Anpassungsmöglichkeit an Bodenunebenheiten gegeben ist. Nachteilig an dieser Lösung ist, dass die Anschlagfläche zwischen Vertikalteil und Fußteil relativ klein gehalten werden muss, da ansonsten die Endkugel des Vertikalteils sehr groß und damit in Folge Materialaufwands für einen Massenserienteil teuer ausgeführt werden müsste. Damit der Fußteil dem großen Flächendruck standhalten kann, wird er aus einem relativ festen und damit auch steifen Material ausgeführt. Damit wird der Kraftaufwand für das Eindrücken der Endkugel des Vertikalteils in die Ausnehmung am Fußteil so groß, dass es dem Endkunden nicht zugemutet werden kann. Es muss schon bei der Fabrikation erfolgen. Damit steigt der logistische Aufwand und der erforderliche Raum für die Lagerung und die Beförderung der Teile, insbesondere dann, wenn Vertikalteile mit mehreren verschiednen Längen angeboten werden. In Folge des zwangsweise harten Materials des Fußteils leidet auch dessen Fähigkeit Körperschall zu dämpfen.The DE 3331056 A1 shows a support, according to which the vertical part is formed as a threaded rod. Towards the lower end, it first narrows and then widens into a sphere. This ball is inserted in a corresponding recess on the upper side of the foot part, which may typically be formed as a plastic part. The support plate of the support is engaged as a nut with the thread of the vertical part. The height adjustment is made by a screwdriver is brought by a recess in the topsoil with a tool holder on the upper end face of the vertical part in engagement, and the vertical part is rotated about its longitudinal axis. As a result, the carrier plate, which is held against rotation on the topsoil, moves up or down. An advantage of this solution is that it can be a metallic solid, slender vertical part with a wider foot of plastic, which better absorbs structure-borne noise than metal, combined. Furthermore, it is advantageous that foot part and vertical part are mutually adjustable in a certain angular range, so that an adjustment possibility is given to uneven floors. A disadvantage of this solution is that the abutment surface between the vertical part and the foot part must be kept relatively small, otherwise the end ball of the vertical part would have to be made very large and thus expensive in consequence of material costs for a mass media part. So that the foot part can withstand the large surface pressure, it is made of a relatively firm and therefore also stiff material. Thus, the force required for the impressions of the end ball of the vertical part in the recess on the foot is so large that it can not be expected of the end customer. It has to be done at the factory. This increases the logistical effort and the space required for the storage and transport of the parts, especially when vertical parts are offered with several different lengths become. As a result of the forcibly hard material of the foot also suffers its ability to dampen structure-borne sound.

Auch die DE 40 31 864 A1 zeigt eine Stütze bei der Vertikalteil und Fußteil über eine von einer Ausnehmung am Fußteil umfasste Endkugel des Vertikalteils miteinander verbunden sind. Damit treten die gleichen Nachteile wie zuvor beschrieben auf. Der Nachteil der mangelhaften Körperschalldämmung wird etwas aufwendig damit behoben, dass zwischen Fußteil und Unterboden eine Scheibe aus Silikon-Bitumen angeordnet wird.Also the DE 40 31 864 A1 shows a support in the vertical part and foot part are connected to each other via an encompassed by a recess on the foot part end ball of the vertical part. Thus, the same disadvantages as described above occur. The disadvantage of poor structure-borne sound insulation is somewhat complicated so that a slice of silicon bitumen is arranged between the foot part and the underbody.

Einen separat zu befestigenden Teil an der Unterseite des Fußteils zwecks Dämpfung des Körperschalls zeigt auch die DE 296 02 939 U1 . Die Befestigung des Vertikalteils am Fußteils erfolgt hier indem der als Gewindestab ausgeführte Vertikalteil in eine am Fußteil angebrachte Gewindehülse eingeschraubt wird. Der Fußteil ist im übrigen als Kunststoffteil ausgeführt. Der Fußteil ist damit relativ teuer in der Herstellung, und auch das Einschrauben des Vertikalteils ist zeitaufwendig.A part to be fastened separately at the bottom of the foot part for the purpose of damping the structure-borne sound also shows the DE 296 02 939 U1 , The fastening of the vertical part on the foot part takes place here by the executed as a threaded rod vertical part is screwed into a threaded sleeve attached to the foot part. The foot part is otherwise designed as a plastic part. The foot part is thus relatively expensive to manufacture, and also the screwing of the vertical part is time consuming.

Die DE 21 47 745 A zeigt eine Stütze für Zwischenböden, wobei in eine teilkugelförmige Pfanne eines Fußteils ein teilkugelförmiges, verbreitertes unteres Kopfende eines Vertikalteils eingesteckt ist. Damit die Pfanne das Kopfende sicher hält, umfasst es das Kopfende um mehr als eine Halbkugelfläche. Um den Verbindungsvorgang zu erleichtern ist die Pfanne durch radiale Schlitze in mehrere Rippen aufgeteilt. Dennoch ist der Verbindungsvorgang schwierig und bei guter Materialausnutzung können nur sehr harte Kunststoffe für den Fußteil verwendet werden.The DE 21 47 745 A shows a support for shelves, wherein a part-spherical, widened lower head end of a vertical part is inserted into a part-spherical pan of a foot part. For the pan to hold the head securely, it covers the head end by more than one hemisphere surface. To facilitate the connection process, the pan is divided by radial slots in several ribs. Nevertheless, the connection process is difficult and with good material utilization only very hard plastics can be used for the foot part.

Die DE 10 2004 005 764 A1 zeigt ebenfalls eine Stütze für Zwischenböden, wobei in eine Mulde eines Fußteils ein verbreitertes unteres Kopfende eines hohlen Vertikalteils eingesteckt ist. Am Rand der Mulde liegen Rippen am Kopfende des Vertikalteils an und erstrecken sich über diesem Kopfteil in Richtung zur vertikalen Achse des Vertikalteils hin. Zur Fixierung werden Vertikalteil, Fußteil und Untergrund nach dem Aufstellen der Stütze durch eine Klebstoffmasse miteinander verbunden.The DE 10 2004 005 764 A1 also shows a support for shelves, wherein in a trough of a foot part a widened lower head end of a hollow vertical part is inserted. At the edge of the trough, ribs abut the head end of the vertical part and extend over this head part in the direction of the vertical axis of the vertical part. For fixing the vertical part, foot and ground are connected to each other after the erection of the support by an adhesive mass.

Der Erfinder sah sich vor die Aufgabe gestellt, eine Stütze für Hohlraumböden zu entwickeln, welche vorbekannte Stützen dahingehend verbessert, dass der Verbindungsvorgang zwischen dem zwangsweise langen, schlanken, aus einem festen Material bestehenden Vertikalteil und dem eher flachen, breiten Fußteil so einfach und rasch durchgeführt werden kann, dass dies auch dem Endbenutzer zugemutet werden kann und dass die Stütze eine bessere Anpassungsfähigkeit an unebene und raue Unterböden bietet. Nicht zuletzt sollte die Stütze in Herstellung, Lagerung und Transport kostengünstig sein.The inventor has set himself the task of developing a support for raised floors, which improves on previously known supports in such a way that the connection process between the compulsorily long, slender, made of a solid material vertical part and the rather flat, wide foot part so simple and fast can be reasonably expected of the end user and that the support provides better adaptability to uneven and rough subfloors. Not least, the support should be inexpensive to manufacture, storage and transport.

Zur Lösung der Aufgabe wird als Stütze ein Gewindestab verwendet, welcher an seinem unteren Ende gegenüber ihrem sonstigen Durchmesser zu einem kugelabschnittsförmigen Kopf erweitert wird, welcher mit seiner teilkugelschalenförmigen Außenfläche in einer gegengleichen, teilkugelflächigen Mulde an der Oberseite des Fußteils anliegt. Er wird dort durch federnde Vorsprünge gehalten, welche als Teil des Fußteils vom Rand besagter Mulde über der Muldenfläche radial in Richtung Muldenmittenachse ragen, für die Kragenfläche des Kopfes eine Anschlagfläche bilden und zur Kragenfläche des Kopfes einen kleinen Abstand aufweisen.To solve the problem, a threaded rod is used as a support, which at its lower end with respect to its other diameter to a spherical segment-shaped head is widened, which abuts with its partially spherical shell-shaped outer surface in a counterpart, partially spherical surface trough at the top of the foot part. He is held there by resilient projections, which protrude as part of the foot from the edge of said trough over the trough surface radially toward the trough center axis, form a stop surface for the collar surface of the head and have a small distance to the collar surface of the head.

Die Erfindung wird anhand der Zeichnungen, welche ein einfaches Ausführungsbeispiel und eine Weiterentwicklung dazu zeigen anschaulicher:

  • Fig. 1: zeigt eine Stütze in Einbaulage in einer vertikalen Teilschnittansicht.
  • Fig. 2: zeigt den Fußteil der Stütze von Fig. 1 von unten.
  • Fig. 3: zeigt den Fußteil der Stütze von Fig. 1 von oben.
  • Fig.4: zeigt eine in einer Teilschnittansicht von oben eine Weiterentwicklung des Fußteils der Stütze von Fig. 1.
The invention will be more apparent from the drawings which show a simple embodiment and a further development thereof:
  • Fig. 1 : shows a support in installation position in a vertical partial sectional view.
  • Fig. 2 : shows the foot part of the support of Fig. 1 from underneath.
  • Fig. 3 : shows the foot part of the support of Fig. 1 from above.
  • Figure 4 FIG. 1 shows a further partial development of the foot part of the support from FIG Fig. 1 ,

Indem das untere Ende des Vertikalteils 1 als breiter kugelabschnittsförmiger Kopf 1.2 ausgeführt ist, welcher mit seiner teilkugelschalenförmigen Außenfläche an einer zumindest etwa gegengleich ausgebildeten Mulde 2.1.1 des Fußteils 2 anliegt, wird gegenüber oben beschriebenen vorbekannten Ausführungsformen eine geringere Flächenpressung zwischen Vertikalteil und Fußteil erreicht. Damit wird es möglich den Fußteil aus einem weicheren Material herzustellen.
Gegen Bewegung vom Fußteil 2 weg ist der Vertikalteil 1 durch drei eher schmale federnde Vorsprünge 2.1.2 gehalten, welche vom Rand der Mulde 2.1.1 aus, um den Umfang gleichmäßig verteilt, über die Mulde hinweg ein Stück Richtung Schraubenachse ragen. Gegen Bewegung des Vertikalteils 1 vom Fußteil 2 weg, bilden diese Vorsprünge 2.1.2 einen Anschlag, an dem der Vertikalteil mit der Kragenfläche des Kopfes 1.2 anliegt.
Wenn beim Herstellen der Verbindung zwischen Vertikalteil 1 und Fußteil 2 der Kopf 1.2 des Vertikalteils in die Mulde 2.1.1 am Fußteil eingebracht wird, werden die federnden Vorsprünge 2.1.2 vorübergehend etwas verformt. Da bei bestimmungsgemäßer Anwendung der Stütze niemals große Kräfte auftreten, durch welche Vertikalteil 1 und Fußteil 2 voneinander getrennt werden könnten, können die federnden Vorsprünge 2.1.2 sehr weich, also mit sehr geringer Querschnittsfläche ausgeführt werden. Damit wird das Herstellen der Verbindung zwischen Fußteil und Vertikalteil so einfach und mühelos, dass es vom Endanwender bei der Montage des Doppelbodens intuitiv selbst gemacht werden kann.
Damit können Fußteile und Vertikalteile getrennt gelagert und verkauft werden. Gegenüber einer Vormontage durch den Hersteller ergeben sich damit erhebliche Einsparungen an Lagervolumen und sonstigem Bereitstellungsaufwand, insbesondere dann, wenn die Vertikalteile in mehreren verschiedenen Standardlängen angeboten und bereitgestellt werden.By the lower end of the vertical part 1 is designed as a broad spherical segmental head 1.2, which rests with its teilkugelschalenförmigen outer surface of an at least approximately equal to trained trough 2.1.1 of the foot part 2, over the above-described prior art embodiments, a lower surface pressure between the vertical part and foot part is achieved. This makes it possible to make the foot part of a softer material.
Against movement of the foot part 2 away, the vertical part 1 is held by three rather narrow resilient projections 2.1.2, which from the edge of the trough 2.1.1, evenly distributed around the circumference, protrude over the trough away a piece direction screw axis. Against movement of the vertical part 1 away from the foot part 2, these projections 2.1.2 form a stop against which the vertical part rests with the collar surface of the head 1.2.
If, when establishing the connection between vertical part 1 and foot part 2, the head 1.2 of the vertical part is introduced into the trough 2.1.1 on the foot part, the resilient projections 2.1.2 are temporarily deformed somewhat. Since under normal use of the support never great forces occur, by which vertical part 1 and foot 2 could be separated from each other, the resilient projections 2.1.2 very soft, so be designed with very small cross-sectional area. This makes the connection between the foot and the vertical part so easy and effortless that it can be made intuitively by the end user when mounting the double floor.
This foot parts and vertical parts can be stored separately and sold. Compared to a pre-assembly by the manufacturer, this results in significant savings in storage volume and other deployment costs, especially when the vertical parts are offered and provided in several different standard lengths.

Konkret kann das Verbinden zwischen einem Vertikalteil 1 und einem Fußteil 2, welcher drei federnde Vorsprünge 2.1.2 aufweist in folgender Weise geschehen:
Der Vertikalteil 1 wird in einem spitzen Winkel bezüglich der Ebene der drei federnden Vorsprünge 2.1.2 mit dem Kopf 1.2 so an zwei dieser Vorsprünge angesetzt, dass deren Spitzen an der Kragenfläche des Schraubenkopfes anliegen, und die Halbkugelfläche des Schraubenkopfes am dritten federnden Vorsprung aufliegt. Dann wird der Vertikalteil 1 in die Normalrichtung zu der Ebene der drei federnden Vorsprünge 2.1.2 gedreht, sodass die Spitze des dritten federnden Vorsprungs an der Kugelabschnittsfläche entlang gleitet und schließlich auch über deren Randkante zur Kragenfläche des Kopfes 1.2, also jener Fläche welche zwischen Randkante des Kopfes 1.2 und daran anschließenden Bereich des Vertikalteils liegt, schnappt. Damit ist der Vertikalteil 1 in gewünschter Weise an m Fußteil 2 fixiert, nämlich so, dass er um seine vertikale Achse drehbar ist, aber gegen Relativbewegung entlang dieser Achse gehalten ist.
Bei entsprechend kurzer Ausführung der federnden Vorsprünge 2.1.2 und entsprechend tiefer Ausbildung der darunter liegenden Mulde 1.2 im Fußteil, kann der Kopf 1.2 auch befestigt werden, indem er gerade in die Mulde hineingedrückt wird, bis die dabei nach unten gebogenen federnden Vorsprünge wieder über die Randkante springen.
Es ist eine normale fachmännische Arbeit, das Material des Fußteils und die davon abhängige Geometrie der federnden Vorsprünge so auszulegen, dass die beschriebenen Montagevorgänge einfach möglich werden.Specifically, the connection between a vertical part 1 and a foot part 2, which has three resilient projections 2.1.2 done in the following manner:
The vertical part 1 is attached at an acute angle with respect to the plane of the three resilient projections 2.1.2 with the head 1.2 at two of these projections that abut their tips on the collar surface of the screw head, and the hemisphere surface of the screw head rests on the third resilient projection. Then, the vertical part 1 is rotated in the normal direction to the plane of the three resilient projections 2.1.2, so that the tip of the third resilient projection slides along the spherical section surface and finally over the edge thereof to the collar surface of the head 1.2, ie that surface which between peripheral edge of the head 1.2 and adjoining area of the vertical part lies, snaps. Thus, the vertical part 1 is fixed in the desired manner to m foot part 2, namely so that it is rotatable about its vertical axis, but is held against relative movement along this axis.
In a correspondingly short design of the resilient projections 2.1.2 and correspondingly deeper formation of the underlying trough 1.2 in the foot, the head can be 1.2 also attached by being pressed straight into the trough, while the downwardly bent resilient projections again on the Edge edge jump.
It is a normal professional work, the material of the foot and the dependent thereon geometry of the resilient projections designed so that the assembly operations described are easily possible.

Durch zwei weitere Maßnahmen kann die Körperschalldämmung des Fußteils 2 weiter verbessert werden:
Die untere Fläche des Fußteils sollte nicht einfach als Ebene ausgeführt werden, sondern als eine Gruppe von Erhebungen (2.2.1), welche nach unten ragen und mit ihren Spitzen am Unterboden anliegen. Idealerweise haben diese Erhebungen über ihre Höhe eine sich kontinuierlich verringernden Querschnittsfläche. Beispielsweise können sie als Pyramiden, Pyramidenstümpfe, Kegel oder Kegelstümpfe ausgeführt sein anstatt als Quader oder Zylinder.
Eine besonders gute Dämpfung von Körperschall ergibt sich, wenn der unten liegende Bereich 2.2 des Fußteils 2 aus einem weicheren und damit besser dämpfenden Kunststoff oder Kunststoffschaum ausgeführt ist, als der obere Bereich 2.1, welcher aus Gründen der erforderlichen Festigkeit nicht so weich ausgeführt sein kann. Idealerweise werden der oben liegende festere Bereich 2.1 und der unten liegende weichere Bereich 2.2 des Fußteils 2 schon zusammen in einem Zweikomponenten-spritzgussverfahren hergestellt, und nicht erst nachträglich miteinander verbunden. Die Fußteile sind Massenserienteile und die höheren einmaligen Kosten für die Werkzeugherstellung werden durch die damit vermiedenen laufenden Arbeitskosten mehr als kompensiert.Two further measures can further improve the structure-borne sound insulation of the foot part 2:
The lower surface of the foot should not be designed simply as a plane, but as a group of projections (2.2.1), which protrude downwards and lie with their tips against the underbody. Ideally, these elevations have a continuously decreasing cross-sectional area over their height. For example, they can be designed as pyramids, truncated pyramids, cones or truncated cones instead of as cuboid or cylinder.
A particularly good attenuation of structure-borne noise results when the underlying area 2.2 of the foot part 2 is made of a softer and therefore better damping plastic or plastic foam than the upper portion 2.1, which can not be made so soft because of the required strength. Ideally, the upper firmer region 2.1 and the lower softer region 2.2 of the foot part 2 are already produced together in a two-component injection molding process, and not subsequently connected to one another. The foot parts are mass-produced parts and the higher one-off costs for the tool production are more than compensated by the running labor costs thus avoided.

Der Trageteller 3 ist als Schraubenmutter mit einer tellerartig erweiterten Stirnfläche auf den sich vertikal erstreckenden Gewindestab 1.1 des Vertikalteils 1 aufgeschraubt. Die Höhe des Tragetellers 3 über dem Fußteil 1 wird eingestellt, indem der Trageteller am Gewindestab 1.1 auf- bzw. ab geschraubt wird. Wenn schon Teile des Oberbodens auf dem Trageteller 3 aufliegen, so ist dieser gegen Verdrehung um den Gewindestab 1.1 gesichert; entweder nur durch Reibung am Oberboden, oder indem er mit Vorsprüngen an Vertiefungen oder Spalten gehalten wird. Die Höhe des Oberbodens über dem Unterboden kann nun fein justiert werden, indem der Vertikalteil 1 um seine Achse gedreht wird. Dazu ist der Vertikalteil mit zwei Eingriffsmöglichkeiten für ein Werkzeug versehen. An der oberen Stirnfläche des Gewindestabes 1.1 ist eine Eingriffsgeometrie 1.4 für einen Schraubendreher angebracht. Damit kann dann die Höhe gut eingestellt werden, wenn sich darüber im Oberboden ein Durchgangsloch befindet. Für den Fall, dass dem nicht so ist, ist der Vertikalteil 1 am unteren Ende des Gewindestabes 1.1, also zwischen Gewindestab und Kopf 1.2 mit einer Sechskant-Zylinderfläche 1.3 für den Eingriff eines Gabelschlüssels versehen.The carrier plate 3 is screwed as a nut with a plate-like enlarged face on the vertically extending threaded rod 1.1 of the vertical part 1. The Height of the support plate 3 on the foot part 1 is adjusted by the support plate on the threaded rod 1.1 up or down is screwed. If already parts of the top rest on the support plate 3, so this is secured against rotation about the threaded rod 1.1; either only by friction on the topsoil, or by being held by protrusions on recesses or columns. The height of the topsoil above the subfloor can now be finely adjusted by the vertical part 1 is rotated about its axis. For this purpose, the vertical part is provided with two possibilities of engagement for a tool. At the upper end face of the threaded rod 1.1 an engagement geometry 1.4 is mounted for a screwdriver. Thus, the height can then be adjusted well when there is a through hole in the topsoil. In the event that this is not the case, the vertical part 1 at the lower end of the threaded rod 1.1, that is provided between the threaded rod and head 1.2 with a hexagonal cylinder surface 1.3 for the engagement of a fork wrench.

Idealerweise sollten Fußteil und Kopf des Vertikalteils so bemessen sein, dass bei montiertem Vertikalteil Kragenfläche des Kopfes 1.2 und Unterseite der federnden Vorsprünge 2.1.2 des Fußteils nicht direkt aneinander anliegen, sondern dass ein kleiner Spalt dazwischen liegt. Vor allem wird damit erreicht, dass die Achse des Vertikalteils gegenüber dem Fußteil in einem gewissen Winkelbereich schwenkbar ist. Damit wird eine gute Anpassungsfähigkeit der Stütze an unebene Unterböden erreicht.Ideally, the foot part and head of the vertical part should be dimensioned so that when the vertical part mounted collar surface of the head 1.2 and bottom of the resilient projections 2.1.2 of the foot are not directly adjacent to each other, but that a small gap is therebetween. Above all, it is achieved that the axis of the vertical part relative to the foot part in a certain angular range is pivotable. This achieves a good adaptability of the support to uneven subfloors.

Beim Justieren der Höhe des Oberbodens gegenüber dem Unterboden wird der Vertikalteil 1 um die Achse des Gewindestiftes 1.1 gedreht. Der Fußteil 2 steht dabei am Unterboden still. Die kugelschalenförmige Außenfläche des Kopfes 1.2 des Vertikalteils gleitet dabei in der kugelschalenförmigen Grundfläche der Mulde 2.1.1 des Fußteils. Man kann den Komfort beim Justieren verbessern, wenn beispielsweise - wie in Fig. 4 skizziert - die Grundfläche der Mulde 2.1.1 mit lokalen Vertiefungen 2.1.3 versehen wird, welche an deren kreisförmigem Umfang gleichmäßig verteilt, beispielsweise in einem Mittenwinkelabstand von 60° angeordnet sind. An der in der Mulde 2.1.1 anliegenden Fläche des Kopfes 1.2 des Vertikalteils 1 sind lokale, sanfte Erhebungen angebracht. Wenn der Vertikalteil um seine Achse gedreht wird, rasten diese Erhebungen in die Vertiefungen 2.1.3 ein. Es ergibt sich damit ein fühlbares Einrasten der Drehbewegung in definierten Winkelabständen. Damit wird das Justieren einfacher und die Fixierung der richtigen Winkelstellung ist auch gewährleistet.
Natürlich kann die Mulde 2.1.1 auch mit lokalen Erhebungen versehen werden, und der Kopf 1.2 mit korrespondierenden lokalen Vertiefungen.When adjusting the height of the topsoil opposite the bottom of the vertical part 1 is rotated about the axis of the threaded pin 1.1. The foot part 2 stands still on the underbody. The spherical shell-shaped outer surface of the head 1.2 of the vertical part slides in the spherical shell-shaped base of the trough 2.1.1 of the foot part. One can improve the adjustment comfort, for example - as in Fig. 4 sketched - the base of the trough 2.1.1 is provided with local recesses 2.1.3, which are evenly distributed at its circular circumference, for example, are arranged at a center angle distance of 60 °. At the lying in the trough 2.1.1 surface of the head 1.2 of the vertical part 1 local, gentle elevations are attached. When the vertical part is rotated about its axis, these elevations snap into the recesses 2.1.3. This results in a tactile engagement of the rotational movement in defined angular intervals. This adjustment is easier and the fixation of the correct angular position is also guaranteed.
Of course, the trough 2.1.1 can also be provided with local elevations, and the head 1.2 with corresponding local depressions.

Claims (2)

  1. Support for a cavity floor consisting of a foot section abutting the sub-floor, a vertical part projecting upward from this and a support plate attached to this, whereby the lower end of the vertical part abuts a recess on the upper part of the foot part, whereby the lower end of the vertical part (1) is designed as a head (1.2) that is broadened with respect to the long area (1.3) of the vertical part above it, whereby elastically deformable projections (2.1.1) project from the edge of the recess (2.1.1) of the foot part (2) in which the head of the vertical part rests in the direction of the centre axis of the recess (2.1.1), whereby the neck surface of the head (1.2) - in other words the surfaces at which the width of the head (1.2) decreases to the lesser width of the adjoining long area of the vertical part (1) - lies beneath the bottom side of these elastic projections (2.1.1), whereby the shape of the recess (2.1.1) is a section of a spherical shell and the shape of the head (1.2) is a section of a sphere which has a spherical shell section surface that is curved in the same direction as the recess (2.1.1), characterised by a small distance that exists between the neck surface of the head (1.2) and the bottom side of the elastic projections (2.1.1).
  2. Support according to Claim 1, characterised by the fact that the recess (2.1.1) has multiple local indentations (2.1.3) or bumps distributed over its circumference that correspond with local bumps or indentations on the surface of the head (1.2) that abuts against the recess (2.1.1).
EP06013174A 2005-06-27 2006-06-27 Support for flase floors Not-in-force EP1741853B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0107105A AT504276B1 (en) 2005-06-27 2005-06-27 SUPPORT FOR CAVITY FLOORS

Publications (3)

Publication Number Publication Date
EP1741853A2 EP1741853A2 (en) 2007-01-10
EP1741853A3 EP1741853A3 (en) 2008-02-27
EP1741853B1 true EP1741853B1 (en) 2009-12-23

Family

ID=36942470

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06013174A Not-in-force EP1741853B1 (en) 2005-06-27 2006-06-27 Support for flase floors

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EP (1) EP1741853B1 (en)
AT (2) AT504276B1 (en)
DE (1) DE502006005717D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009008454A1 (en) * 2009-02-11 2010-08-19 Ulrich Reif Leveling aid for wooden / beam substructures, especially for balcony and terrace coverings
FR3033186B1 (en) * 2015-02-26 2017-10-20 Etablissements Mottez & Cie ANTI-VIBRATION SLAB FOR VIBRATORY APPARATUS
CN107762102A (en) * 2017-11-06 2018-03-06 上海品宅装饰科技有限公司 A kind of bolt leg that can be adjusted in top
RU203014U1 (en) * 2020-12-03 2021-03-18 Александр Тимофеевич Федоров Device for determining the level when leveling the floor with various solutions

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7117300U (en) * 1971-10-07 Kalthoff E Ohg Device for false floors in buildings with electrical systems to support a substructure provided with a paving slab
DE2147745A1 (en) * 1971-09-24 1973-03-29 Erich Kalthoff Ohg DEVICE FOR INTERMEDIATE FLOORS ERECTED IN BUILDINGS FOR ELECTRICAL SYSTEMS AND METHOD FOR MAKING THE CONNECTIONS
CH656413A5 (en) * 1981-04-07 1986-06-30 Karl Glockenstein WALL ELEMENT.
NL8203417A (en) * 1982-09-01 1984-04-02 Robbert Maria Rademaker PLATE-SHAPED ELEMENT PARTICULARLY FOR COMPOSING A FLOOR.
DE3411953A1 (en) * 1984-03-30 1985-10-03 Rheinhold & Mahla GmbH, 8000 München CONTINUOUSLY ADJUSTABLE SUPPORT FOR A DOUBLE FLOOR
DE4031864A1 (en) * 1990-10-08 1992-04-09 Mathias Theodorus Maria Moons Floor plate support partic. for old buildings - comprises rod with ball joint in foot and tapped steel bush with collar
US5516069A (en) * 1994-09-15 1996-05-14 Hanna; Maxwell H. Adjustable construction support apparatus
AT744U1 (en) * 1995-02-22 1996-04-25 Hafner Karl Heinz SUPPORT DEVICE FOR SUPPORTING BODY SOUND GENERATING AND / OR CONDUCTING OBJECTS
JPH09195484A (en) * 1996-01-17 1997-07-29 Hayakawa Rubber Co Ltd Pedestal for double flooring supporting leg
LU90277B1 (en) * 1998-08-19 2000-02-21 Uniflair International S A Pedestal for an elevated floor assembly
JP3865954B2 (en) * 1998-11-20 2007-01-10 大建工業株式会社 Standing structure pedestal
JP3588097B2 (en) * 2003-02-06 2004-11-10 有限会社泰成電機工業 Sound insulation floor structure

Also Published As

Publication number Publication date
AT504276A1 (en) 2008-04-15
ATE453030T1 (en) 2010-01-15
AT504276B1 (en) 2010-04-15
DE502006005717D1 (en) 2010-02-04
EP1741853A3 (en) 2008-02-27
EP1741853A2 (en) 2007-01-10

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