WO1999018295A1

WO1999018295A1 - Wall hanging plumbing fixture and a wall connection for the same

Info

Publication number: WO1999018295A1
Application number: PCT/EP1998/006204
Authority: WO
Inventors: Albert Becker
Original assignee: Ideal-Standard Gmbh
Priority date: 1997-10-06
Filing date: 1998-10-01
Publication date: 1999-04-15

Abstract

The invention relates to a wall hanging plumbing fixture (1) comprising at least one water inlet (2, 3), one fixture body (4), at least one operating element (5) and at least one water outlet. A connection piece (6, 7) is provided on the water inlet (2, 3) for connecting to a wall connection (8, 9). In addition, the invention relates to a wall connection (8, 9) for connecting a wall hanging plumbing fixture (1) to a water system with a connection piece (10, 11) arranged on the wall and a connection piece (12, 13) arranged on the fixture. The inventive wall hanging plumbing fixture and the wall connection for connecting the same to a water system are characterized in that the connection piece (6, 7) for connecting to a wall connection (8, 9) or the connection piece (12, 13) arranged on the fixture are configured as the coupling piece of a fast coupling.

Description

Wall-mounted tap and wall connection for a wall-mounted tap

According to the first teaching of the invention, the invention relates to a wall-mounted fitting with at least one water inlet, a fitting body, at least one actuating element and at least one water outlet, a connector being provided on the water inlet for connection to a wall connection. Furthermore, according to a second teaching of the invention, the invention relates to a wall connection for connecting a wall-mounted fitting to a water network with a wall-side connecting piece and a fitting-side connecting piece.

Wall-mounted fittings and wall connections for wall-mounted fittings, from which the invention is based, are known in a large number of configurations and are used primarily in the sanitary sector as shower or bathtub fittings. In these known wall-mounted fittings and the associated wall connections, the connection between the wall-mounted fitting and the wall connection is always made via a screw connection. For this purpose, the wall connection regularly has an external thread, onto which a union nut which is captively connected to the connection piece of the water inlet of the wall-mounted fitting is screwed, cf. z. B. the German utility model 67 51 160. A space-saving alternative to the standard solution described is described in the published German Offenlegungsschrift 196 51 313. Here, a flange with threaded bores is provided for connecting the wall connection to the wall-mounted fitting via fastening screws. With this alternative of the connection, the connection of the wall-mounted fitting and the associated wall connection is also carried out via a screw connection.

For the known embodiments of the wall connection described, it is known to arrange the wall-side connection piece and the fitting-side connection piece of the wall connection offset eccentrically parallel to one another. In practice, such wall connections are therefore referred to as "S connections". Due to the eccentric arrangement of the inlet and outlet channels, inaccuracies in the spacing of the connections of the hot and cold water installation lines provided in the installation wall can be compensated for when installing the fitting. By turning the relevant wall fittings it is possible to

CONFIRMATION COPY ne fitting of the valve must also be carried out if the distance between the connections of the installation lines deviates somewhat from the nominal value. The interaction between the wall-mounted fitting and the wall connection is therefore already optimized in many ways in the prior art.

The problem with the known wall-mounted fittings and the associated wall connections, however, is that the assembly times are relatively long due to the screw connections used between the wall-mounted fitting and the wall connection. At the same time, there is always the problem with screw connections that the threads can be damaged during transport or that the threads are damaged or even destroyed when screwing or screwing them in at an angle. Finally, high forces have to be applied regularly during the production of the screw connections, whereby if the tool slips there is a risk of damaging the visible surfaces of the wall-mounted fitting, particularly in view of the increasingly important aesthetic requirements for wall-mounted fittings is highly undesirable.

The invention is therefore based on the object of providing a wall-mounted armature or a wall connection for connecting a wall-mounted armature to a water network, which ensure easier assembly of the wall-mounted armature.

The previously derived and shown object is achieved according to the first teaching of the invention in that the connector for connection to a wall connection is designed as a coupling part of a quick coupling. Accordingly, the previously derived and shown object is achieved according to the second teaching of the invention in that the fitting-side connector is designed as a coupling part of a quick coupling. The inventive design of the wall-mounted fitting and the associated wall connection for connecting a wall-mounted fitting to a water network ensures, on the one hand, quick installation of the wall-mounted fitting on the wall connection and, on the other hand, installation without the need to use high forces via a tool. The assembly times and the probability of that the wall-mounted fitting or the wall connection will be damaged during assembly. In the embodiment according to the invention, it is also easily conceivable to arrange the connection point recessed in the installation wall, so that the connection point is not visible to the viewer for aesthetic reasons.

If in a wall connection designed according to the second teaching of the invention for a wall-mounted valve on the coupling part a check valve closing the wall connection when the quick coupling is released, it is ensured that a wall-mounted valve designed according to the first teaching of the invention can also be installed when the water network is under pressure. Conversely, the water network can be disconnected without additional effort even if the fittings have not yet been installed.

The quick coupling designed as a plug-in coupling has proven to be a particularly advantageous embodiment of a quick coupling in other areas of technology. The hydraulic plug-in coupling is known, for example, for connecting garden hoses and for connecting hydraulic systems, for example in agricultural machines (cf. VDI Lexikon Maschinenbau, edited by Heinz M. Hiersig, VDI-Verlag, 1995, page 1165). In such a plug-in coupling, the connecting nipple can either form the coupling part of the wall-mounted fitting or the coupling part of the wall connection for connecting a wall-mounted fitting. In particular, the quick coupling designed as a plug coupling is suitable for recessed arrangement in the installation wall.

A more cost-effective design of the quick coupling of the objects according to the first and second teaching of the invention is ensured in that the quick coupling has a bayonet lock. Such quick couplings with a bayonet lock are known, for example, for fire hoses (cf. VDI Lexikon Maschinenbau, loc. Cit., Pages 979, 980). Such bayonet locks can of course also be designed so that they are aesthetically pleasing.

The known quick couplings for connecting hydraulic systems not only enable the quick connection of two connecting pieces, but also that quick release of the connectors from each other. However, the quick or unintentional detachment of a wall-mounted fitting from the associated wall connection is undesirable, since on the one hand the wall-mounted fittings in public buildings would be at risk of theft and, on the other hand, a risk of injury would arise if children unintentionally detach them. According to a first alternative for the objects according to the first and second teaching of the invention, these risks are eliminated in that the quick coupling has a concealed locking element that blocks the release of the quick coupling. This locking element snaps into place during assembly of the wall-mounted fitting and is so concealed that it is neither visible nor easily accessible, so that theft is not possible without special knowledge and tools, and unintentional loosening of the quick coupling is excluded. According to a second alternative, the risks outlined above are precluded in that the quick coupling is blocked when the water pressure is present in the water network. This ensures that the wall-mounted fitting can only be removed when a shut-off valve in the water network is closed and the water pressure is released by opening the fitting. This also prevents theft and unintentional disassembly of the wall-mounted fitting.

In particular, there are now a multitude of possibilities for designing and developing the fitting according to the invention and the wall connection according to the invention. For this purpose, reference is made on the one hand to the claims subordinate to claims 1 and 2, and on the other hand to the description of a preferred exemplary embodiment in conjunction with the drawing. In the drawing, the single figure shows an embodiment of a wall-mounted fitting according to the first teaching of the invention and an embodiment of a wall connection for connecting a wall-fitting fitting to a water network according to the second teaching of the invention.

In the single figure, an embodiment of a wall-mounted fitting 1 is shown, in which the first teaching of the invention is implemented. The embodiment of the wall-mounted fitting 1 has a hot water inlet 2, a cold water inlet 3, a fitting body 4, an actuating element 5 and one not shown water drain, which is connected for example with a shower hose. In the illustrated embodiment of the wall-mounted fitting 1 according to the first teaching of the invention, a connector 6, 7 for connection to a respective wall connection 8, 9 is provided both on the hot water inlet 2 and on the cold water inlet 3. According to the invention, the connecting pieces 6, 7 are designed for connection to the respective wall connection 8, 9 as a coupling part of a quick coupling. The exemplary embodiment shown is a wall-mounted single-lever mixer tap with only one actuating element 5.

The wall connections 8, 9 shown in the single figure each have a wall-side connection piece 10, 11 and a fitting-side connection piece 12, 13. In the illustrated exemplary embodiments of the wall connections 8, 9, cover rosettes 14, 15 are pushed onto the fitting-side connecting pieces 12, 13. According to the second teaching of the invention, the fitting-side connection piece 12, 13 of the illustrated exemplary embodiments of the wall connections 8, 9 is designed as a coupling part of a quick coupling, the coupling part of the wall connection 8, 9 being the counterpart to the coupling part of the respective connection piece 6, 7 also formed as a coupling part Armature 1 forms.

In the embodiments of the wall-mounted fitting 1 and the wall connections 8, 9 shown in the single figure, the quick coupling is designed as a plug-in coupling, the fitting-side connecting pieces 12, 13 of the wall connections 8, 9 forming the connecting nipples of the plug-in coupling. Correspondingly, the fittings on the fitting side each have at least one sealing surface 16, 17 and one securing groove 18, 19. Correspondingly, the connecting pieces 6, 7 of the wall-mounted fitting 1 each have an actuating ring 20, 21 which, when pulled back in the direction of the wall-fitting fitting 1, releases the coupling connection.

According to a special development, the actuating rings 20, 21 are blocked by a concealed locking element (not shown) after the wall-mounted fitting 1 according to the first teaching of the invention has been installed on the wall connections 8, 9 according to the second teaching of the invention. To release the locking element, for example, openings, not shown, in the actuating rings 20, 21 be provided by which the locking element can be released, for example, with a screwdriver.

Claims

Claims:

1. Wall-mounted fitting with at least one water inlet (2, 3), a fitting body (4), at least one actuating element (5) and at least one water outlet, with a connection piece (6, 7) for connection to a water inlet (2, 3) Wall connection (8, 9) is provided, characterized in that the connecting piece (6, 7) for connection to a wall connection (8, 9) is designed as a coupling part of a quick coupling.

2. Wall connection for connecting a wall-mounted fitting (1) to a water network, with a wall-side connector (10, 11) and a valve-side connector (12, 13), characterized in that the valve-side connector (12, 13) as a coupling part of a quick coupling is trained.

3. Wall connection according to claim 2, characterized in that a check valve which closes the wall connection (8, 9) when the quick coupling is released is provided on the coupling part.

4. Wall-mounted fitting or wall connection according to one of claims 1 to 3, characterized in that the quick coupling is designed as a plug-in coupling.

5. Wall-mounted fitting or wall connection according to one of claims 1 to 3, characterized in that the quick coupling has a bayonet lock.

6. Wall-mounted fitting or wall connection according to one of claims 1 to 5, characterized in that the quick coupling has a concealed locking element which blocks the release of the quick coupling.

7. Wall-mounted fitting or wall connection according to one of claims 1 to 6, characterized in that the quick coupling is blocked when water pressure is present in the water network.