EP4060134A1 - Bathrrom fitting - Google Patents

Abstract

A fitting (1) comprises a water pipe (2) with a wall (3) laterally delimiting the water pipe (2), an opening (4a) and a further opening (4b) and an insert element (5) which extends over one of the two openings (4a, 4b) can be used at least partially in the water pipe (2). The insert element (2) is made of an elastic material in such a way that limescale deposits on the insert element (2) can be removed from the insert element (2) by deforming the insert element (2) when the insert element (2) is removed.

Description

TECHNICAL AREA

The present invention relates to a sanitary fitting according to claim 1.

STATE OF THE ART

From the EP 2 775 047 an inlet and overflow fitting for a bathtub has become known. In the area of the inlet channel, the faucet includes an aerator that is inserted into the opening. The water is deflected at right angles in the inlet channel and then flows out via the aerator.

the EP 2 775 047 has the disadvantage that the deflection of the water jet in the inlet channel is disadvantageous. The water jet hits an impact surface. Damage to the valve can occur in the area of the impact surface, which greatly reduces its service life.

the EP 2 775 047 has the disadvantage that the inlet channel is susceptible to limescale deposits, which can only be removed with difficulty.

PRESENTATION OF THE INVENTION

Proceeding from this prior art, the object of the invention is to specify a fitting, in particular an inlet or outlet fitting, which overcomes the disadvantages of the prior art.

The object mentioned at the outset is solved by the subject matter of independent claim 1. Accordingly, a fitting, in particular an inlet or outlet fitting, comprises a water pipe with a wall laterally delimiting the water pipe, an opening and a further opening and an insert element which has one of the both openings can be used at least partially in the water pipe. The insert element is made of an elastic material in such a way that limescale deposits on the insert element can be removed from the insert element by deforming the insert element when the insert element is removed. The faucet can be used for a wide variety of purposes.

The formation of the insert element from an elastic material has the advantage that the insert element can easily be freed from limescale deposits. In addition, the insert element made of an elastic material can be easily brought back into shape after installation or removal. In addition, installation and removal are very easy. The elastic structure also has a positive effect on noise emissions, which are reduced.

The term elastic material means a material that automatically returns to its original state after deformation when an acting force is removed. Preferably, the elastic material is a plastic such as an elastomer. For example, EPDM, ethylene-propylene-diene rubber, or other plastic approved for drinking water can be used.

The water-carrying pipe preferably has a first pipe section extending along a first central axis and a second pipe section extending along a second central axis. The first central axis is oriented at an angle inclined to the second central axis. The insert element can be inserted at least partially into the second pipe section via one of the two openings and can be removed again. Preferably, the cross-sectional area of the second pipe section, viewed transversely to the second central axis, is many times greater than the cross-sectional area of the first pipe section, viewed transversely to the first central axis. This has the advantage that if the fitting is an inlet fitting, the water jet can open up inside the fitting and thus flow out of the fitting at a lower speed. The cross-sectional area of the second pipe section is preferably greater by a factor of 2 to 20 than the cross-sectional area of the first pipe section.

Said opening, via which the insert element can be inserted into the water-conducting pipe, is preferably a pipe inlet opening or a pipe outlet opening. In the case of an outlet fitting, said opening is preferably a pipe entry opening and in the case of an inlet fitting, said opening is preferably one tube outlet opening.

In the following, preferred features are described which can preferably, ie optionally, be used both in the fitting according to claims 1 to 11 and in the fitting according to the example below.

The fitting described herein can be used for various types of sanitary ware. For example as an inlet fitting for bathtubs or washbasins.

The insert element is preferably made of an elastic material which is softer than the material of the water-conducting pipe.

The insert element is preferably made of an elastomer and the water-guiding pipe is a plastic, in particular a thermoplastic, or a metal.

The insert element is preferably made of a plastic which has a Shore hardness of 70 to 90 Shore A.

The insert element preferably has at least one guiding elevation on at least one surface facing the water-conducting pipe, with which the water flowing in the water-conducting pipe is guided.

The at least one guide bump has the advantage that the water is guided through the guide bump when it overflows said surface. In this case, the flowing water can be guided in the direction of an outflow opening in such a way that a compact, free jet can flow out of the outflow opening.

A plurality of guide elevations are particularly preferably arranged parallel to one another. The at least one guide elevation is particularly preferably oriented essentially parallel to the second central axis and/or parallel to the direction of flow.

The insert element is preferably held in the water-conducting pipe via a mechanical connection, in particular a form-fitting and/or force-fitting connection. Such a connection has the advantage that the insert element can be easily inserted and removed.

The mechanical connection is preferably provided by at least one elevation protruding from the insert element and at least one indentation projecting into the wall of the water-conducting pipe, the at least one elevation protruding into the at least one indentation. Alternatively, the mechanical connection is provided by at least one elevation protruding from the wall of the water-conducting pipe and at least one indentation projecting into the insert element, with the at least one elevation protruding into the at least one indentation.

Preferably, the insert element projects with a tab portion, seen from the water supply pipe, beyond the opening through which the insert element is inserted. The protruding tab has the advantage that the insert element can be easily grasped when cleaning.

The pipe section of the water-conducting pipe, in which the insert element is mounted, is preferably designed essentially with a rectangular cross section, the insert element with a rear wall extending essentially completely over at least one side wall and the insert element having optional wall parts which extend from the rear wall extend away.

The second pipe section preferably has the said rectangular cross-section, while the first pipe section preferably has a circular cross-section.

Preferably, the wall of the pipe section, which lies opposite the insert element, is convexly rounded into the pipe cross section.

The fitting preferably has a plug-in section with which the fitting can be inserted into a plug-in receptacle of a unit. The unit can be an inflow and overflow unit or an inflow and/or outflow unit.

Said unit preferably comprises an overflow pipe with a pipe inlet oriented towards a sanitary item and a pipe outlet which can be connected to a waste water line, and a supply pipe with an inlet opening and an outlet opening, the outlet opening being connected to a fitting as described above.

Preferably, the unit includes a screen member covering the unit when installed, the fitting being located behind the screen member, the insert member extending to a bottom edge of the screen member, but preferably not beyond the bottom edge of the screen member.

Further embodiments are specified in the dependent claims.

The object solves the task mentioned at the outset according to the following example. A fitting comprises a water pipe with a wall laterally delimiting the water pipe, an opening and a further opening and an insert element which can be at least partially inserted into the second pipe section via one of the two openings and can be removed again. The water-conducting pipe has a first pipe section extending along a first central axis and the second pipe section extending along a second central axis. The first central axis is oriented at an angle inclined to the second central axis. In the inserted state, the insert element protrudes into a projection of the cross section of the first pipe section viewed in the direction of the first central axis and forms an impact surface for the water escaping from the first pipe section into the second pipe section.

Due to the arrangement of the insert element in said projection, the insert element and not the wall is hit by the water jet striking the second pipe section from the first pipe section. Consequently, the insert element can be replaced if there is a sign of wear.

The object according to the example therefore further solves the problem of specifying a fitting which has a longer service life.

In addition, the insert element can be optimally designed in terms of material, so that, depending on the design, further advantages with regard to noise emissions, water jet deflection, etc. result.

Said angle is preferably between 75° and 115°. Said opening can be a pipe inlet opening or a pipe outlet opening.

The insert element is preferably made of an elastic material in such a way that that lime deposits on the insert element can be removed from the insert element by deforming the insert element when the insert element is removed.

The formation of the insert element from an elastic material has the advantage that the insert element can be mechanically freed from limescale deposits. It is also conceivable that the insert element is placed in a lime-dissolving liquid. In addition, the insert element made of an elastic material can be easily brought back into shape after installation or removal. In addition, installation and removal are very easy. The elastic structure also has a positive effect on noise emissions, which are reduced.

The term elastic material means a material that automatically returns to its original state after deformation when an acting force is removed.

Preferably, the elastic material is a plastic such as an elastomer. For example, EPDM, ethylene-propylene-diene rubber, or other plastic approved for drinking water can be used.

Preferably, the cross-sectional area of the second pipe section, viewed transversely to the second central axis, is many times greater than the cross-sectional area of the first pipe section, viewed transversely to the first central axis.

This has the advantage that if the fitting is an inlet fitting, the water jet can open up inside the fitting and thus flow out of the fitting at a lower speed.

The cross-sectional area of the second pipe section is preferably greater by a factor of 2 to 20 than the cross-sectional area of the first pipe section.

Preferably, the insert element extends over the entire area of said projection. The insert element also protrudes laterally beyond the surface of the projection. This ensures that all water escaping from the first pipe section will impinge on the insert element.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1

eine perspektivische Ansicht einer Armatur mit einem eingebauten Einsatzelement gemäss einer Ausführungsform der vorliegenden Erfindung;

Fig. 2

die perspektivische Ansicht von Figur 1 mit ausgebautem Einsatzelement;

Fig. 3

eine perspektivische Ansicht von Teilen einer Einheit mit einer Armatur nach Figur 1 und 2;

Fig. 4

eine teilweise geschnittene Ansicht von Fig. 3;

Fig. 5

eine Schnittdarstellung der vorhergehenden Figuren mit eingesetztem Einsatzelement;

Fig. 6

eine Schnittdarstellung der vorhergehenden Figuren mit ausgebautem Einsatzelement;

Fig. 7

die Schnittdarstellung gemäss Figur 5 mit weiteren Elementen; und

Fig. 8

die Schnittdarstellung gemäss Figur 6 mit weiteren Elementen.

Preferred embodiments of the invention are described below with reference to the drawings, which are for explanation only and are not to be interpreted as restrictive. In the drawings show:

1

a perspective view of a fitting with a built-in insert element according to an embodiment of the present invention;

2

the perspective view of figure 1 with removed insert element;

3

a perspective view of parts of a unit with a fitting Figure 1 and 2 ;

4

a partially sectioned view of 3 ;

figure 5

a sectional view of the preceding figures with inserted insert element;

6

a sectional view of the preceding figures with removed insert element;

7

the sectional view according to figure 5 with other elements; and

8

the sectional view according to figure 6 with other elements.

DESCRIPTION OF PREFERRED EMBODIMENTS

In the Figures 1 and 2 an exemplary fitting 1 according to an embodiment of the present invention is shown in perspective views. the Figures 3 to 8 show the fitting 1 in connection with a unit 18. In the embodiment shown, the unit 18 is an inlet and overflow fitting for a bathtub.

Based on Figures 1 and 2 the fitting 1 will now be described as such. The fitting 1 comprises a water pipe 2 with a wall 3 laterally delimiting the water pipe 2 and an insert element 5 which can be inserted into the water pipe 2 . The water pipe 2 has an opening 4a and a further opening 4b. In the embodiment shown, the opening 4a is designed as an inflow opening and the opening 4b as an outflow opening. In the embodiment shown, the water-carrying pipe 2 has a first pipe section 6 extending along the first central axis M1 and a second pipe section 7 extending along a second central axis M2. The insert element 5 can be inserted into the second pipe section 7 via the opening 4b. Furthermore, the insert element 5 can be removed again via said opening 4b.

The first center axis M1 is oriented at an angle α to the second center axis M2. The angle α is from the Figures 5 and 6 more clearly visible. In the embodiment shown, it is approximately 80°. However, the angle α can also be larger or smaller and in particular in a range from 75° to 115°.

In the embodiment shown, the insert element 5 is made of an elastic material in such a way that limescale deposits on the insert element 2 can be removed by deforming the insert element 2 when the insert element 2 is removed. This means that the insert element 2 can be removed from the second pipe section 7 and mechanically freed from limescale by slightly deforming it.

Of the Figures 1 and 2 it can be seen that the cross-sectional area of the second tube section 7 seen transversely to the second central axis M2 is many times greater than the cross-sectional area of the first tube section 6 seen transversely to the central axis M1. Such a cross-sectional dimensioning is particularly advantageous for a bathtub inlet because the water exits the second opening 4b at a lower speed due to the larger cross-sectional area of the second pipe section 7 .

In the figure 1 As shown, the insert element 5 is shown in the inserted state. The insert element 5 protrudes with a tab section 13 seen from the inside of the water-guiding pipe 2 beyond the opening 4b. The tab section 13 can be easily gripped by hand so that the insert element 5 can be pulled out of the water-conducting pipe 2 via the opening 4b. The insert element 5 is pulled out of the opening 4b along the arrow Z.

The pipe section 7, in which the insert element 5 is inserted, is essentially formed with a rectangular cross section. The insert element 5 extends with a rear wall 14 essentially completely over at least one side wall. The side wall of the water-carrying pipe 2 is the side wall on which the jet from the first pipe section 6 occurs. In the embodiment shown, the insert element 5 further has optional wall parts 15 which extend away from the rear wall 14 of the insert element 5 . The optional wall parts 15 extend here over two sides and over an upper side of the rear wall 14 and are used to further guide the water jet in the second pipe section 7. The optional ones are also used Wall parts 15 of the reinforcement of the rear wall 14 and the storage in the second pipe section 7.

The insert element 5 has at least one guide elevation 9 on a surface 8 facing the water guide pipe 2 . In the embodiment shown, several guide bumps 9 are shown. With these guide elevations 9, the water, which flows in the water guide pipe 2, here in the second pipe section 7, is guided accordingly.

The fitting 1 also has a plug-in section 16 . The plug-in section 16 serves to ensure that the fitting 1 can be inserted into a plug-in receptacle 17 of a unit 18, shown in the figures as an inflow and overflow unit. In the embodiment shown, the plug-in section 16 is arranged on the outside of the first pipe section 6 . The plug-in section 16 has a cylindrical outer shape and also includes a receptacle for a seal 25. At the free end, the plug-in section 16 has a guide structure 26 with which the fitting can be aligned with a correspondingly designed guide structure of the plug-in receptacle 17.

In the Figures 3 and 4 a representation of unit 18 is shown. The fitting 1 is mounted in the plug-in receptacle 16 of the unit 18. The unit 18 has a flange 27, which comes to lie behind a bathtub in the installed position. Furthermore, the unit 18 has an overflow pipe 19 via which water can be fed to a waste water pipe in the event of an uncontrolled filling of the bathtub. The overflow pipe 19 has a pipe inlet 20 and a pipe outlet 22 . The pipe inlet 20 is oriented towards the bathtub and the pipe outlet 22 can be connected to a sewage pipe. In addition, the unit 18 has an inlet pipe 22 with an inlet opening 23 and an outlet opening 24 . The outlet opening 24 serves as a plug-in receptacle 17 for the fitting described above and the inlet opening 23 can be connected to a water supply.

the Figures 5 and 6 show the sectional view of the Figures 3 and 4 . Of the figure 5 it can be clearly seen that the insert element 2 is held in the water pipe 2 by a mechanical connection, in particular by a form-fitting and/or non-positive connection 10 . The mechanical connection 10 is provided by at least one elevation 11 protruding from the insert element 5 and at least one depression 12 protruding into the wall 3 of the water-conducting pipe 2 . The survey 11 takes effect while in the recess 12 and so the insert element 5 is stored in the second pipe section.

Next is from the figure 5 It can be seen that the insert element 5 is arranged in such a way that it protrudes in a projection P of the cross section of the first pipe section 6 in the direction of the first central axis M1. In this case, the insert element 5 forms an impact surface for the water escaping from the first pipe section 6 into the second pipe section 7 . The insert element 5 is arranged in such a way that it covers at least the entire area of the entire projection P and extends laterally beyond the area of the projection P.

In the Figures 7 and 8 the unit 18 is shown with further elements. The unit 18 also includes a screen element 28. The screen element 28 covers the unit 18 in the installed position towards the front, ie towards the bathtub. The fitting 1 is arranged behind the screen element 28 . The panel element 28 correspondingly covers the fitting 1 towards the front. Furthermore, the insert element 5 extends to a lower edge 29 of the screen element 28. However, the insert element 5 does not extend beyond the lower edge 29. Nevertheless, the insert element 5 can be easily gripped via the tab section 13 . For the outflow of the water and access to the insert element 5, the screen element 28 has a cutout 30, which is in the lower area of the screen element 28 when viewed in the installed position. REFERENCE LIST 1 inlet fitting; drain fitting a angle 2 water pipe M1 first central axis 3 wall M2 second central axis 4a, 4b opening P projection 5 insert element Z Arrow 6 first pipe section 7 second pipe section 8th surface 9 leadership survey 10 connection 11 elevation 12 deepening 13 tab section 14 back panel 15 wall part 16 mating section 17 plug-in receptacle 18 inlet unit, outlet unit 19 overflow pipe 20 pipe entry 21 pipe outlet 22 inlet pipe 23 entry opening 24 exit port 25 poetry 26 management structure 27 flange 28 aperture element 29 bottom edge

Claims (11)

Fitting (1) comprising a water pipe (2) with a wall (3) laterally delimiting the water pipe (2), an opening (4a) and a further opening (4b) and an insert element (5) which can be inserted at least partially into the water pipe (2) via one of the two openings (4a, 4b), wherein the insert element (2) is made of an elastic material in such a way that limescale deposits on the insert element (2) can be removed from the insert element (2) by deforming the insert element (2) when the insert element (2) is removed. Fitting (1) according to Claim 1, characterized in that the insert element (5) is made from an elastic material which is softer than the material of the water-conducting pipe. Fitting (1) according to one of the preceding claims, characterized in that the insert element (5) is made of a plastic which has a Shore hardness of 70 to 90 Shore A. Fitting (1) according to one of the preceding claims, characterized in that the insert element (5) has at least one guide elevation (9) on at least one surface (8) facing the water pipe (2), with which the water flowing in the water pipe (2) flows to be led. Fitting (1) according to one of the preceding claims, characterized in that the insert element (5) is held in the water pipe (2) via a mechanical connection (10), in particular a positive and/or non-positive connection. Fitting (1) according to Claim 5, characterized in that that the mechanical connection (10) is provided by at least one elevation (11) protruding from the insert element (5) and at least one depression (12) protruding into the wall (3) of the water-conducting pipe (2), the at least an elevation (11) into which at least one depression (12) protrudes and/or that the mechanical connection (10) is provided by at least one elevation (11) protruding from the wall (3) of the water-conducting pipe (2) and at least one depression (12) protruding into the insert element (5), the at least one elevation (11 ) projects into the at least one recess (12). Fitting (1) according to one of the preceding claims, characterized in that the insert element (5) protrudes with a tab section (13) viewed from the water supply pipe (2) beyond the opening (4b) through which the insert element (5) is inserted. Fitting (1) according to one of the preceding claims, characterized in that the pipe section of the water pipe (2) in which the insert element (5) is mounted is essentially designed with a rectangular cross section, the insert element (5) having a The rear wall (14) extends substantially completely over at least one side wall and the insert element (5) has optional wall parts (15) which extend away from the rear wall (14). Fitting (1) according to one of the preceding claims, characterized in that the fitting (1) has a plug-in section (16) with which the fitting can be inserted into a plug-in receptacle (17) of a unit (18). Unit (18), in particular an inlet and overflow unit, comprising an overflow pipe (19) with a pipe inlet (20) oriented towards a sanitary article and a pipe outlet (21) which can be connected to a waste water line, and an inlet pipe (22) with a Inlet opening (23) and an outlet opening (24), the outlet opening being followed by a fitting (1) according to one of the preceding claims. Unit (18) according to Claim 10, characterized in that the unit (18) has a screen element (28) which covers the unit (18) in the installed position, the fitting (1) being arranged behind the screen element (28), wherein the insert element (5) extends up to a lower edge (29) of the screen element (28), but preferably not beyond the lower edge of the screen element.

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