EP3401452A1 - Fitting device for a bathroom item - Google Patents

Abstract

A mounting device for mounting a sanitary object, such as a toilet on a wall, on the one hand has a positive locking element and on the other hand, a wedge clamping mechanism.

Description

This invention relates to the assembly of a sanitary article, such as a toilet, bidets, urinal or sink, on a typically vertical wall.

Usually heavier sanitary objects in the manner of a toilet, bidets, urinals or sink are mounted with protruding from the mounting wall rods, which regularly have an external thread. For example. usually serve two such externally threaded rods fastened in a horizontal standardized distance from each other in the wall for attaching a WC in a suspended manner. For this purpose, openings in the back of the toilet are pushed onto the rod ends, whereupon the toilet can be attached by screwing nuts. The same procedure is used for other sanitary items.

The placement and tightening of the nuts requires a sufficiently good access; In particular, the nuts must be rotated with a tool that has corresponding freedom of movement.

The invention has for its object to provide an improved mounting device for a sanitary object.

This object is achieved by a mounting device for a sanitary object for mounting on a rod protruding from a wall, wherein the mounting device comprises: a form-fitting element for producing a sanitary object fixing the form fit by applying the positive locking element to the rod, a wedge clamping mechanism for bracing the sanitary object against the Positive fit and thus pressing the sanitary object to the wall.

According to the invention, a wedge-clamping mechanism is combined with a prior to the operation of the wedge-tensioning mechanism first fixing the sanitary object Form-fitting element. The wedge clamping mechanism is used for clamping against the fixation achieved by the positive locking element, with which the sanitary object can be pressed against the wall. This pressing must not necessarily take place on the (building) wall itself, but it can, for. B. insulation mats or other devices be interposed; It is more about the direction of pressing and securing the first by the positive locking element only temporarily realized assembly.

The interlocking element is placed on the rod for the production of the positive connection, here for the sake of generality initially only one rod is mentioned, although usually two rods are used. The invention is not dependent on it, but can be realized with one or a number of rods, with the elements discussed here are usually provided individually per rod.

By the positive connection is a fixation in the sense of protection against a simple removal of the sanitary object in the horizontal direction of the rod. So if z. B. a toilet is fixed accordingly by the interlocking element, after this has been applied to the rod, then the fitter can no longer remove the toilet by a horizontal application of force.

The wedge-tensioning mechanism, in turn, can be actuated in a great variety of ways and, in accordance with the pitch of a wedge surface, generates sufficiently large forces without it being absolutely necessary for the nut itself to rotate on a thread on the rod itself. Instead, the wedge clamping mechanism z. B. can be operated by a rod from outside, so that a tool for generating the rotational movement at an opposite end of the operating rod and thus can be applied significantly removed from the actual wedge-clamping mechanism. For example. The tool can thus be attached to the underside of a toilet or even laterally (right and left). For additional technical equipment containing toilets (especially shower toilets) An operation possibility from above is also possible. Then covers, cases for such technical equipment or other are often present, with which the operating ends of the operating rods can be covered.

The positive connection does not necessarily have to be made with the rod itself, but it may, for. B. also another element (preferably before applying the sanitary object or positive locking element) are applied to the rod on the wall. For example. could be screwed onto the typical threaded rods an element that forms an undercut.

However, it is preferred that the form-locking element with the rod itself produces a positive connection. In the case of the usual external threaded rods, of course, offers the external thread of the rod. In principle, the invention is also directed to other rods on the wall, which offer instead of the external thread or additional elements for producing a positive connection, in particular thickening, which provide an undercut.

The form-fitting element is preferably fastened to the mounting device and can thereby be movably, in particular displaceably guided or tiltably mounted. The mobility should in any case have an angle to the main direction of the rod direction in the vicinity of the production of the positive connection, in particular run perpendicular thereto. Due to the mobility of the positive connection is made or solved. For example. For example, the interlocking element may have a corrugated surface which engages the threads of an external thread of a rod by engaging it by the sliding or tilting movement. In particular, the tilting axis and the displacement direction can be selected so that when pushed onto the external threaded rod, the positive locking element ratchets ratcheting. If the Aufschiebebewegung finished, the positive locking element is engaged, preferably supported by a spring force. For the sake of illustration, reference is made to the first exemplary embodiment.

Furthermore, the wedge-clamping mechanism is preferably also used to secure the positive connection, so not only for bracing. Thus, a part of the wedge-tensioning mechanism or a part moved therefrom can block the positive-locking element with respect to its movement and thus prevent a movement out of the positive locking when the wedge-tensioning mechanism has been stretched or at least moved in that direction to some extent. Thus, for the final assembly beyond the provisional fixing beyond securing can be achieved in addition to the firm pressure due to the tensioning.

Alternatively, the positive engagement may be secured by pressing the wedge-tensioning mechanism or an element moved therethrough against the rod, approximately from the opposite side relative to the side from which the positive-engagement element has made the positive engagement.

In one possible embodiment, the interlocking element is firmly connected to the mounting device and via this also fixed to the sanitary object and contains a corrugated surface, for example. An upper segment of an internal thread, which can be placed on the external thread of the rod. For this purpose, the sanitary object in relation to the mounting position slightly elevated position on the rod (or the rods) postponed and then discontinued. As a result, the positive engagement is already given and this can, for example, by pressing a securing element from below to the rod, such as by the wedge clamping mechanism, secured. This securing element preferably has in turn a corrugated surface for producing a positive connection, in any case it ensures that the positive-locking element can no longer be lifted. For the sake of illustration, reference is made to the second and the third embodiment.

Incidentally, the securing element in turn can be a (second) form-locking element with spring force support, wherein the spring force then serves to release the positive connection and can be overcome by the operation of the wedge clamping mechanism. The securing element can be tilted in the same way as previously described for the positive-locking element, wherein the spring force support can also act in the reverse direction, ie in the direction of release. Then, the fuse element z. B. can be pressed against the spring force directly or indirectly by actuation of the wedge-tensioning mechanism and can in this respect automatically release by releasing the wedge-clamping mechanism. Of course, this also applies to other mobilities than the described tiltability.

A further embodiment provides that the positive connection can be made by only the sanitary object is moved as a whole, ie without direct actuation of another element by the user. A movement within the mounting device or the mounting device relative to the sanitary object as a result of its movement is therefore not excluded, for example in the form of the ratchet movement of a positive-locking element. In this form, the provisional fixation of the sanitary object can be produced particularly easily.

The wedge-clamping mechanism according to the invention may also have various preferred embodiments. The wedge-tensioning mechanism is characterized in that at least one wedge body provides a wedge surface extending obliquely to the main direction of the wedge, and a movement of the wedge body or a movement of another wedge body relative to the wedge body along this wedge surface whose slope produces a force component in the main direction.

According to one embodiment, the wedge body provides an opening in which the rod is accommodated after the application of the positive-locking element on the rod. For two wedge bodies, this is preferably true for both, as are the embodiments demonstrate. In this design, the wedge-tensioning mechanism and the rod can be combined compactly and favorably with regard to the distribution of forces.

In any case, in the state of positive engagement, the positive-locking element is preferably also arranged in the or one of the openings of the wedge body, which also results in a power distribution-wise and structurally compact and favorable solution.

As already indicated, a wedge-tensioning mechanism with two wedge bodies, each having a wedge surface, is preferred, the wedge surfaces, in contact with one another and relative movement relative to one another, applying the desired force. For this purpose, at least one wedge body must be movable and preferably only one of the two wedge bodies is actually movable. For clarification: With an immovable wedge body is here only meant that this does not join the actual original and the tensioning movement transverse to the direction of the rod (for attachment). However, of course, due to the wedge surfaces, there is a movement in the bar direction itself, namely the tension, and in particular both wedge bodies in particular also participate in this in the sense of an elastic deformation.

The two wedge bodies can be held by a housing or a clamp, wherein the housing or the clamp is used for attachment to the rest of the mounting device or to an element of the sanitary object.

The movement is preferably perpendicular to the rod main direction, wherein the direction of movement is adapted to the inclination of the wedge surface (s).

For movement, an actuating rod can be used. It may be an axially fixed but rotatable rod with a threaded engagement in a wedge body or an element mounted therein or thereto. The confirmation bar is, as mentioned above, for local displacement of a starting point, for example. For a tool engagement or the hand of an operator. The threaded engagement can of course also be given outside the wedge body, so that the actuating rod rotates relative to the movable wedge body, but not axially.

It has already been mentioned that the wedge-clamping mechanism can serve to secure the described positive connection. In particular, a movable securing element can be moved or blocked by the wedge-clamping mechanism or a movable positive-locking element can be blocked by the wedge-clamping mechanism. For example, the movable wedge body can take or operate such a movable form-weft element or securing element, as the exemplary embodiments show.

In this context, it may also be desirable to have already reached the fuse when the wedge-tensioning mechanism performs its task of tensioning or at least brings it to an end. In fact, it may be desirable to have a backup before applying significant forces. For this purpose, it may be desired that the wedge-tensioning mechanism, in particular the movable wedge body, first passes through a certain distance of movement during which the securing is performed (for example, the positive-locking element is blocked or the securing element is moved / blocked), before the actual tension arises. The wedge-tightening mechanism is then designed to first perform a movement perpendicular to the direction of the rod (which serves to secure it in the wall) before the oblique movement occurs. In particular, a further surface may be provided on the wedge bodies, in each case following the wedge surface, along which the wedge bodies are supported on one another or guide one another during this vertical movement. Reference is made to the third embodiment.

Figur 1

zeigt eine perspektivische Ansicht einer erfindungsgemäßen Montageeinrichtung für ein WC, und zwar als Ausschnittdarstellung der linken Hälfte;

Figur 2

zeigt einen Keilspannmechanismus, ein Formschlusselement und eine Betätigungsstange aus der Montageeinrichtung aus Figur 1 in Alleindarstellung;

Figur 3

zeigt eine Explosionsdarstellung der Montageeinrichtung aus Figur 1 in gleicher Perspektive und im gleichen Ausschnitt, jedoch mit wandseitiger Stange;

Figur 4

zeigt eine Schnittdarstellung mit vertikaler und senkrecht auf der Wand stehender Schnittebene durch die Montageeinrichtung aus den Figuren 1 und 3 zusammen mit einem Teil der Wand und des montierten WCs;

Figur 5

zeigt schematisch einen Keilspannmechanismus und ein Sicherungselement eines zweiten Ausführungsbeispiels;

Figur 6

zeigt eine Schnittdarstellung mit vertikaler Schnittebene senkrecht zur Wand durch die Elemente aus Figur 5 und weitere Elemente des zweiten Ausführungsbeispiels, und zwar bei noch nicht eingeschobener Stange;

Figur 7

entspricht Figur 6, jedoch mit eingeschobener Stange und verspanntem Keilspannmechanismus;

Figur 8

zeigt entsprechend Figur 6 ein drittes Ausführungsbeispiel.

In the following, the invention will be explained in more detail with reference to two embodiments whose features are essential to the invention in other combinations and of course in the context of the claims.

FIG. 1

shows a perspective view of a mounting device according to the invention for a toilet, as a detail of the left half;

FIG. 2

shows a wedge-clamping mechanism, a positive-locking element and an actuating rod from the mounting device FIG. 1 in solo representation;

FIG. 3

shows an exploded view of the mounting device FIG. 1 in the same perspective and in the same section, but with wall-side bar;

FIG. 4

shows a sectional view with vertical and perpendicular to the wall cutting plane through the mounting device of the FIGS. 1 and 3 together with a part of the wall and the mounted WC;

FIG. 5

schematically shows a wedge-clamping mechanism and a securing element of a second embodiment;

FIG. 6

shows a sectional view with a vertical sectional plane perpendicular to the wall through the elements FIG. 5 and further elements of the second embodiment, with not yet inserted rod;

FIG. 7

corresponds to FIG. 6 but with inserted rod and tensioned wedge mechanism;

FIG. 8

shows accordingly FIG. 6 a third embodiment.

FIG. 1 shows as a first embodiment, in the direction of the figure, the left half of a mounting device according to the invention for a toilet. A wall, on the toilet is to be installed, you can imagine right behind the mounting device and the toilet left in front of it. For illustration will open FIG. 4 directed.

In fact, there are in the usual way two threaded rods 9 in the normalized horizontal distance from each other and you can accordingly the entire structure of the FIGS. 1 and 3 on a vertical plane through the later explained hole 19 and perpendicular to the wall imagine mirrored.

Further, on FIG. 3 referenced, which shows the individual elements in the manner of an exploded view separately.

First you can see a mounting frame 1, z. As cast metal or fiber-reinforced plastic, which is attached to the assembly of the toilet to this in a manner below based on FIG. 4 can be explained.

The mounting frame 1 includes a rectangular receptacle 3, which in FIG. 3 is best seen and the rear right has a rear wall 20 with a central round opening. In the cuboid receptacle 3 is in the assembled state, an in FIG. 2 installed well-recognizable wedge clamping mechanism 4, the right rear surface is pressed against the aforementioned rear wall 20 of the receptacle 3. This serves a in the FIGS. 3 and 4 drawn bracket 5 z. B of bent sheet metal, which has an upper and two lower mounting holes on in FIG. 3 visible recordings of the frame 1 is screwed. In this case, short legs 6 of the side walls of the bracket 5 support the wedge-tensioning mechanism 4 and prevent the wedge-tensioning mechanism 4 from dodging during the tensioning.

The wedge-tensioning mechanism 4 has two wedge bodies 7 and 8 with mutually facing wedge surfaces in an oblique position that is clearly visible from the figures. The wedge body 8 is how to look especially FIG. 4 results, movable in the vertical direction and the wedge body 7 can by this movement in the horizontal main direction one in FIG. 3 visible external threaded rod 9 are moved. The wedge body 7 and 8 can, for. B. be made of zinc die-casting.

The rod 9 passes through in the assembled state, not only the mentioned round opening in the rear wall 20, but also respective openings 10 and 11 in the wedge bodies 7 and 8. It stands in the assembled state in positive engagement with a rocker-like form-locking element 12, the tiltable one passing through the wedge body 7 and in the FIGS. 1 to 3 indicated axis of rotation is mounted. At its upwardly facing surface, the positive locking element 12 has a corrugated surface 13 corresponding to approximately one third of an internal thread, the corrugation of which is set correspondingly obliquely to the external thread of the rod 9 and is thus engaged. The positive-locking element could of course also be arranged in an analogous manner next to or above the rod 9 or it could also be a plurality of form-locking elements 12.

Finally, the corrugation could also be provided instead of on the form-locking element 12 on the opposite surface (of the wedge body 7). Then the element 12 would not serve as a form-locking element but as a backup of a positive connection, see. the following second embodiment. The backup is carried out initially by the spring force and beyond by the below-described blockade of the element 12th

In the assembled state, the wedge bodies 7 and 8 are further supported by T-shaped guide members attached to the wedge surface 8 of the wedge body 8 facing forwardly left in corresponding grooves on the opposite wedge surface of the wedge body 7.

Finally, the figures show a confirmation bar 14, which according to FIG. 4 the wedge body 8 passes through vertically and is not shown in detail in a threaded engagement with it. This actuating rod 14 is further rotatably held by means of a provided in its lower region groove 15 in an insert 16, but axially fixed, since they are in a corresponding receptacle of the frame. 1 is used. A hexagonal head of the actuating rod 14 at its lower end remains after insertion of the confirmation rod 14 from below into the frame 1 on the frame 1 and is there tangible. By turning this head so can the wedge body 8 move vertically and thus the wedge body 7 horizontally.

The in FIG. 4 With its wall-side end in vertical section visible toilet body 2 made of ceramic has a large rear recess for receiving the frame 1, in the upper horizontal boundary wall relatively close to the wall a latch 17 is glued, from the top into a in the FIGS. 1 and 3 visible slit of frame 1 fits. At the lower horizontal boundary wall of the recording of the toilet body 2 is an in FIG. 4 glued on average and in profile L-shaped pressure bar 18 glued, with which the toilet body can be supported flat on the frame 1. This connection between the frame 1 and the toilet body 2 is further secured by a screw, not shown, which penetrates from below also not shown small hole in the toilet body 2 and in an internal thread opening 19 (FIG. FIG. 3 ) of a central lower projection of the frame 1 is screwed.

In this form are the in FIG. 3 drawn elements pre-assembled on the toilet body 2 prior to installation of the toilet.

The toilet body can be pre-fixed after two threaded rods 9 (only one drawn) have been fixed in a conventional manner and known in the art in the mounting wall. These rods 9 carry at its outer end a slot for a screwdriver ( FIGS. 3 and 4 ). On the accordingly horizontally outwardly projecting out of the wall rods 9 now the entire toilet is pushed so that the threaded rods 9, the round opening in the rear wall 4 of the frame 1 and the two openings 10 and 11 in the wedge clamping mechanism prevail.

In the opening 10, the already described positive locking element 12 is arranged, wherein it is biased by a spring, not shown, that the form-locking element 12 is pushed upwards. But since the axis of rotation according to FIGS. 3 and 4 clearly right, ie wall side, is offset from the corrugated surface 13, displaces the respective rod 9, the positive-locking element 12 ratchet-like down. This happens about the same time on both sides, because of course the in FIG. 3 provided for the left side elements shown. When the WC has been advanced relatively close to the wall in this form and is discontinued sitting in the opening 10 of the wedge body 7 provided half-cylinder jacket-shaped extension on the respective threaded rod 9, wherein the spring-loaded positive locking element 12 from below through the spring the desired positive connection with the threaded rod 9 results. In this condition, the toilet can not be removed and is temporarily fixed.

Now, if the wedge body 8 is moved vertically downwards with the actuating rod 14, the wedge body 7 is urged horizontally relative to the outside and therefore tries, because the form-locking element 12 is mounted on the axis of rotation at him to pull the threaded rod 9 out of the wall. Accordingly, the WC body 2 is pressed against the wall in response. In this form, so can take place a strain and secure attachment.

Further shows FIG. 4 on closer inspection, that when you imagine the wedge body 8 clearly down there, a in FIG. 4 approximately right of the axis of rotation of the positive locking element 12 lying part of the wedge body 8 blocks a slightly further down part of the positive locking element 12 so that it can no longer come out of the positive connection regardless of the spring action. So this forms an additional backup.

If the toilet is to be disassembled later for some reason, although this just mentioned fuse can be canceled again, but the positive-locking element 12 remains engaged because of the Federkraftbeaufschlagung (unlike the following second embodiment). Therefore, after loosening the tension by operating the actuating rod 14, the mentioned locking screw, the hole 19 in FIG. 3 interspersed, be taken out. Then the no longer tense, but still fixed toilet body 2, which now no longer tightly rests against the wall and has some game, something tilted and be moved up so that the latch 17 is released from its receiving slot and the toilet Body 2 can be completely removed. After z. B. repair, conversely, the toilet body 2 can be reassembled on the frame 1 and secured with the locking screw, whereupon then in the manner explained a bracing.

In the FIGS. 5 to 7 a second very similar embodiment is outlined, in FIG. 5 in a perspective view of two wedge body 27 and 28 and in the wedge body 27 in a similar manner as the positive-locking element 12 of the first embodiment tiltably mounted counter-pressure element. In the FIGS. 6 and 7 you can see a section through these elements with a cutting plane analog FIG. 4 but reversed right-left and with additionally indicated rod 29 for attachment to the wall and confirmation bar 34 for clamping.

A significant difference is that the wedge body 27 is provided in the upper region of the passage for the rod 29 with a corrugated form-fitting surface 30 for a positive connection with the external thread of the rod 29, the wedge body 27 thus here itself serves as a form-fitting element. Conversely, the tiltably mounted securing element 32 is not used here as a form-fitting element in the sense of producing a positive connection for the first fixation of the toilet when applied to the rod 29. Rather, the fuse element 32 by a in FIG. 6 symbolically referenced F spring force acted in opposite directions to the first embodiment.

First of all, therefore, the toilet can be lifted onto the bar 29 in such a way that the positive-fit surfaces 30 are first lifted over the external threads of the bars 29 and then placed on them and remain on them due to the gravity of the WC. In this condition, the toilet can not be in horizontal Direction to be pulled forward, but would first have to be raised with a gravity compensating force, so it is prefixed.

The comparison of FIGS. 6 and 7 now shows that after a downward movement of the wedge body 28 by means of the actuating rod 34, the wedge surface of the wedge body 28 pushes a lever arm of the securing element 32 from a recess in this wedge surface during their downward movement and thus causes a tilting movement against the spring force F upwards and the fuse element 32nd fixed in this tilted position. In this position, one of the surface 13 of the first embodiment corresponding surface 33 presses from below to the respective rod 29 and thus against the surface 30 above it. Also, the surface 33 may be corrugated to increase overall resistance to horizontal load. In contrast, the upper part-cylinder jacket-shaped surface in the opening 10 in the wedge body 7 of the first embodiment should preferably not be corrugated so as not to complicate the sliding onto the rod 9.

The purpose of the second embodiment is that here, the fuse element 32 due to the spring force F after releasing the tension by operating the operating rod 34 can move back down automatically, ie in the in FIG. 6 shown position, whereupon the toilet can be lifted off the rods 29 and removed. It thus eliminates the need for releasable in the assembled state connection between the ceramic toilet body 2 and the frame 1 in the first embodiment. Instead, a mounting device according to the second embodiment may be directly attached to a (ceramic) WC body, such as using a clip or a housing similar to the clip 5 of the first embodiment. Of course, one could imagine in the first embodiment, additional facilities to bring out the positive locking element 12 in the assembled state of the toilet and after releasing the tension of the wedge body 7 and 8 from the positive connection with the rod 9.

It can easily be imagined on the basis of the two exemplary embodiments that a translationally displaceable interlocking element or securing element could likewise be used.

FIG. 8 shows accordingly FIG. 6 in a somewhat simplified sectional view, the third embodiment. It largely corresponds to the second embodiment, so that the explanation can be kept short. However, there are the following deviations: The wedge body 37 drawn on the left and the wedge body 38 drawn on the left are guided relative to one another, as with the guide groove 45 in the wedge body 38 and the guide pins 46 guided therein, which are fixedly connected to the wedge body 37 or parts thereof , Obviously, the guide groove 45 has a stepped shape of portions perpendicular to the direction of the rod 39 and extending obliquely thereto, in each case for the two guide pins 46. At the same time consist of facing surfaces of the wedge body 37 and 38 not only from respective wedge surface, here with 47 and 48, but also from the direction of the rod 39 perpendicular surfaces 49 and 50th

In the drawn position, the rod 39 as in the situation according to FIG. 6 are introduced, the toilet are so placed, wherein the positive locking element surface 40 produces the positive connection. When the wedge body 38 is then lowered slowly via the actuating rod 44, the guide pins 46 initially move in the sections (perpendicular to the rod direction) of the guide groove 45 and the corresponding vertical portions of the wedge body surfaces facing each other, ie 49 and 50. The inclined wedge surfaces 47 and 48 themselves only reduce their distance, but are not yet in contact with each other. In this form, the inclined wedge surface 48 of the movable wedge body 38 moves a portion of the securing element 42 facing it (compare the securing element 32 in FIG FIG. 6 ) rotating about the tilt axis, so that this analogous to the situation in FIG. 7 secures the positive connection.

Only in this state, the inclined wedge surfaces 47 and 48 come into contact with each other. Simultaneously with this, the guide pins 46 pass into the oblique sections of the guide groove 45, so that a function of the wedge clamping mechanism analogously follows the previous explanations, but this in the already secured state of the positive connection. Analogously, the voltage is first released in reverse motion and then only the fuse is released, in which the fuse element 42 dissolves under the action of spring force or gravitational force.

Of course, variants of the first embodiment of the FIGS. 1 to 4 conceivable in which by a corresponding design of the wedge body first the positive locking is secured by blockage of the positive-locking element 12 with the surface 13 and then only the bracing or a substantial part of the tension takes place.

Claims (15)

Mounting device for a sanitary object (2) for mounting on a rod (9, 29) protruding from a wall, the mounting device comprising: a positive-locking element (12, 13, 30, 40) for producing a positive fit fixing the sanitary article (2) by applying the positive-fit element (12, 13, 30, 40) to the rod (9, 29, 39), a wedge clamping mechanism (4) for clamping the sanitary object (2) against the positive connection and thus pressing the sanitary object (2) to the wall. Mounting device according to claim 1, in which the positive-locking element (12, 13, 30, 40) is designed to produce the form-fit with the rod (9, 29, 39) itself, in particular with one on the rod (9, 29, 39). provided external thread. Mounting device according to claim 1 or 2, wherein the positive-locking element (12, 13) is displaceably guided or tiltably mounted on the mounting device, whereby a mobility of the positive-locking element (12, 13) in an angled to the main direction of the rod (9) direction is ensured , Mounting device according to claim 1 or 2, wherein the positive-locking element (30, 40) is an integral part of the wedge-tensioning mechanism, preferably a wedge body (27, 37) immovable transversely to the rod (29, 39). Mounting device according to one of the preceding claims, wherein the positive-locking element (12, 13, 30, 40) after making the positive connection and after tightening by means of the wedge-tensioning mechanism (4) by the wedge-tensioning mechanism (4) is prevented from moving out of the positive connection. Mounting device according to one of the preceding claims, which is designed so that by a movement of only the sanitary object (2) the positive-locking element (12, 13, 30, 40) can be applied to the rod (9, 29, 39). Mounting device according to one of the preceding claims, wherein the wedge-tensioning mechanism (4) and the form-locking element (12, 13, 30, 40) on the rod (9, 29, 39) before applying the positive-locking element (12, 13, 30, 40). attached to each other. Mounting device according to one of the preceding claims, in which the wedge-tensioning mechanism (4) has at least one wedge body (7, 8, 27, 28, 37, 38) and the wedge body or bodies (7, 8, 27, 28, 37, 38) of the wedge body Wedge-tensioning mechanism (4) each having an opening (10, 11) for the rod (9, 29, 39), which openings (10, 11) after the application of the positive-locking element (12, 13, 30, 40) on the rod (9 , 29, 39) of the rod (9, 29, 39) are penetrated, wherein preferably the positive-locking element (12, 13, 30, 40) in the state of positive engagement in or on the or one of the openings (10, 11) is arranged , Mounting device according to one of the preceding claims, in which the wedge-clamping mechanism (4) has two wedge bodies (7, 8, 27, 28, 37, 38) each with a wedge surface extending obliquely to the main direction of the rod (9, 29), the wedge surfaces in abutment with each other and serve relative movement to each other for clamping and preferably both wedge body (7, 8, 27, 28) by a common bracket (5) or a housing are held. A mounting device according to claim 9, wherein one of the wedge bodies (8, 28, 38) moves for clamping perpendicular to the rod main direction can be and the other wedge body (7, 27, 37) in the tension only in the main direction of the rod (9, 29, 39), but not perpendicular thereto, is moved. Mounting device according to one of the preceding claims, in which the wedge-clamping mechanism (4) has an actuating rod (14, 34, 44) for moving at least one wedge body (8, 28, 38) of the wedge-clamping mechanism (4), which actuating rod (14, 34, 44 ) and which movement is perpendicular to the main direction of the rod (14, 34, 44) according to claim 1 for fastening the sanitary object (2). Mounting device according to claim 5 and 9, optionally in conjunction with another of the preceding claims, wherein the wedge clamping device is adapted to relative movement between the wedge bodies (37, 38) over a portion of the possible movement distance without contact of the wedge surfaces (47, 48) to each other and thus without increasing the tension, but with securing of the positive locking by blocking the positive-locking element (40) and / or actuation or securing of a securing element (42) to effect, and over a further part of the possible movement distance under contact of the wedge surfaces (47, 48) to effect each other, wherein preferably both wedge surfaces (47, 48) each bordering on a perpendicular to the main direction of the rod (39) extending surface (49, 50) of the respective wedge body and the vertical movement along these surfaces (49, 50) takes place and the exciting movement along the wedge surfaces (47, 48) and with increasing distance of the vertical Flä Chen (49, 50) from each other. Sanitary article, namely WC (2), bidet, urinal or washbasin, with a mounting device for its attachment according to one of the preceding claims. Use of a mounting device according to one of claims 1 to 12 for fastening a sanitary object (2) to a wall. A method of mounting a sanitary article (2) to a wall using a mounting device according to any one of claims 1 to 12, wherein said method applies said interlocking element (12, 13, 30, 40) to said rod (9, 29, 39) and therewith the sanitary object (2) fixing positive connection is made and then the sanitary object by means of the wedge clamping mechanism (4) clamped against the positive connection and thus pressed against the wall.

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