DE202020105356U1 - Water-bearing arrangement - Google Patents

Abstract

Water-carrying arrangement (2), with a functional unit (3), in particular a valve (15), and at least one connecting hose (4), in particular inlet hose and/or outlet hose (17), characterized in that on one facing the functional unit (3). At the end (6) of the connecting hose (4), a molded retaining brim (7) is formed in one piece and that the retaining brim (7) is suspended on a hose receptacle (11) of the valve (15).

Description

The invention relates to a water-carrying arrangement with a functional unit and at least one connecting hose.

Such water-conducting arrangements are known and are used, for example, in sanitary fittings. The connecting hoses often serve to separate the function of a water supply to a functional unit, for example a valve or a water outlet, from the function of a mechanical holder of the functional unit on the sanitary fitting. This often results in a fluidic connection of the connecting hose with the functional unit being arranged hidden in the sanitary fitting in the position of use.

The invention is based on the object of creating an easy-to-produce fluidic connection in a water-conducting arrangement.

To solve the stated problem, the features of claim 1 are provided according to the invention. In particular, in a water-conducting arrangement of the type mentioned at the outset, it is proposed according to the invention that a molded retaining brim is formed in one piece on an end of the connecting hose facing the functional unit and that the retaining brim is suspended on a hose receptacle of the valve. A hose nipple on the connecting hose is therefore unnecessary. This simplifies the establishment of the fluidic connection. If a hose nipple is no longer necessary, a larger internal cross-section can be chosen while maintaining the same external dimensions. This is beneficial for the lowest possible flow resistance.

For example, the functional unit can be a valve or a water outlet. The invention can therefore be used advantageously in functional units that are arranged in confined spaces.

For example, the connecting hose can be an inlet hose. The invention can therefore also be used with connecting hoses with a comparatively high operating pressure. Here, for example, it can be provided that the connecting hose is a cold water hose. This can have a positive effect on the long-term stability of the fluidic connection.

For example, the connecting hose can also be a drain hose. The invention takes advantage here of the fact that an operating pressure on the outlet side of a functional unit is often significantly lower than on the inlet side because of the pressure drop across the functional unit.

In one embodiment of the invention it can be provided that the connecting hose is made of a thermoplastic material. This means that the retaining brim can be shaped particularly easily.

In one embodiment of the invention it can be provided that the holding brim is formed by thermoplastic forming. The advantage here is that the connecting hose can be made from an extruded material. In this case, the retaining brim can be formed, for example, after cutting the connecting hose to length.

In one embodiment of the invention it can be provided that the hose receptacle is opened laterally. This means that the connecting hose does not have to be threaded.

In one embodiment of the invention it can be provided that the hose receptacle is designed to be closed all around. This means that the holding brim can be supported along the entire circumference.

In one embodiment of the invention it can be provided that a radially acting tie rod is formed on the holding brim. This means that a pull-out protection can be provided. This is particularly advantageous in the case that the connecting hose partially loses or loses its dimensional stability due to heating with running hot water.

Here, for example, it can be provided that the tie rod is designed as a groove or rib. This means that a positive connection between the holding brim and the hose receptacle can be produced using simple means. The hose receptacle can, for example, be provided with a corresponding shape, in particular on a support surface.

The groove or rib can, for example, be designed all around in order to hold the retaining brim on all sides.

In one embodiment of the invention it can be provided that the holding brim is pressed against a support surface on the hose receptacle. This prevents the retaining brim from slipping out. It is particularly advantageous here if the tie rod already described is formed on the holding brim. The contact pressure ensures that the positive fit of the tie rod does not come loose unintentionally, even at hot water temperatures.

In one embodiment of the invention it can be provided that one, for example already mentioned, support surface on the hose receptacle is designed to correspond to the retaining brim. This means that a positive connection can be achieved.

Here, for example, it can be provided that a radially acting counter-tension anchor is formed. By interlocking the tie rod and the counter tie rod, a particularly firm hold of the retaining brim can be achieved.

This can be set up, for example, by a positive connection between the hose holder and the holding brim.

A simple embodiment of a positive connection is provided by at least one, preferably circumferential, rib which engages in a groove. In this way, additional sealing can be achieved.

The at least one rib can be formed, for example, on the support surface and/or on the retaining brim.

In one embodiment of the invention it can be provided that the hose receptacle has a circumferential support disk on which the retaining brim rests. The advantage here is that regardless of the design of the functional unit, the retaining brim can be supported on all sides, especially when the hose receptacle is opened laterally.

The support disk is preferably designed to be removable. This can make disassembly easier. Different materials can also be selected for the support disk and for a support plate carrying the support disk.

For example, it can be provided that the support disk is designed as a stamped part and/or bent part. Thus, the support disk can be made of metal, for example, while the already mentioned support plate of the functional unit can be made of plastic.

For example, it can be provided that the support disk is designed as a die-cast part, in particular as a zinc die-cast part. Alternative materials can therefore be used.

Alternatively or additionally, it can be provided that the support disk is designed as a plastic part. This can, for example, be thermoplastic to allow simple production.

Alternatively or additionally, it can be provided that sharp-edged structures are formed on a support surface for the holding brim, in particular the one already described. These sharp-edged structures can dig into the retaining brim to hold it in a form-fitting manner. This can be achieved particularly easily if the support disk is a - for example metallic - stamped part and/or bent part and/or die-cast part, in particular zinc die-cast part.

Here, the sharp-edged structures can, for example, have at least one retaining claw. Structures that are particularly easy to manufacture are therefore described.

In one embodiment of the invention it can be provided that a sealing surface is formed at the end of the connecting hose. The advantage here is that a sealing function can be integrated into the retaining brim. Additional sealants are not necessary. The connecting hose can therefore be made from a single component, since a sealing ring or other sealant can be provided on the functional unit.

The sealing surface can, for example, be designed to be circumferential. This means that sealing on all sides can be achieved.

It can be provided that the sealing surface acts axially. Thus, a contact pressure, in particular the previously described contact pressure, can be used on the holding brim for a seal.

Alternatively or additionally, it can be provided that the sealing surface acts radially. An arrangement is thus described whose sealing effect is independent of a contact pressure on the holding brim.

In one embodiment of the invention it can be provided that an axially acting sealing surface is formed on an inflow side of the retaining brim. This makes it easy to put on a sealing ring.

It can be provided here that an axially acting counter-sealing surface is formed on the valve. This can be provided, for example, by an inserted sealing ring.

In one embodiment of the invention, it can be provided that a radially acting sealing surface is formed on a nozzle which protrudes beyond the retaining brim on the inflow side. This makes it possible to form a radial seal that is easy to produce, in particular by thermoplastic forming.

It can be provided here that a radially acting counter-sealing surface is formed on the valve. The advantage here is that a contact pressure of the valve can be used to form a seal. Here too, the counter-sealing surface can be formed on a sealing ring.

In one embodiment of the invention it can be provided that a peripheral edge of an inlet opening at the end of the connecting hose has a sharp edge. This enables a groove-free design of a transition between the connecting hose and the functional unit. Such grooves can cause turbulence in the flowing water and thus unintentionally reduce a clear effective cross section at the transition.

For example, it can be provided that the sharp edge is formed with a radius-free tool. This means - particularly in thermoplastic forming - that a simple tool can be used to achieve the smoothest possible transition.

Alternatively or additionally, it can be provided that the circumferential edge is designed to be flush with the valve. This often makes it possible to avoid cross-sectional narrowing of the flow and/or an increase in flow resistance. Avoiding unevenness at the transition also reduces the opportunities for dirt to build up in this area.

In one embodiment of the invention it can be provided that the functional unit is a mixing cartridge. This means that a common application case can be covered.

In one embodiment of the invention it can be provided that the connecting hose is a mixed water hose. The invention takes advantage of the fact that the mixed water hose is often exposed to a low operating pressure and that the load on the fluidic connection on the holding brim can therefore be reduced.

In a preferred application, a sanitary fitting with a water-conducting arrangement according to the invention, in particular as described above and/or according to one of the claims directed to a water-conducting arrangement, is proposed to solve the stated problem.

Here, for example, it can be provided that the connecting hose is guided as a drain hose to a water outlet of the sanitary fitting. It is therefore possible for an operating pressure to differ only slightly from an ambient pressure if a pressure drop across the water outlet is small. This simplifies the requirements for a long-term seal on the retaining brim.

Alternatively or additionally, it can be provided that at least one inlet hose of the functional unit, in particular of the valve, has a hose nipple. A pressure-tight connection with a hose nipple on the functional unit can therefore be combined with the connection described via a retaining brim, for example on the drain side.

The invention is described in more detail below using exemplary embodiments, but is not limited to these exemplary embodiments. Further exemplary embodiments result from combining the features of individual or several protection claims with one another and/or with individual or several features of the exemplary embodiments.

• 1 eine Sanitärarmatur mit einer erfindungsgemäßen wasserführenden Anordnung in teilweise aufgeschnittener Darstellung,
• 2 ein Detail aus 1,
• 3 die Funktionseinheit mit Verbindungsschläuchen aus 1 in teilweise demontiertem Zustand,
• 4 einen Verbindungsschlauch der wasserführenden Anordnung gemäß 1 in einer Schrägansicht von oben zur Illustration des Montagevorgangs,
• 5 eine Schnittdarstellung durch einen Verbindungsschlauch der wasserführenden Anordnung gemäß 1 in einer Axialschnittdarstellung,
• 6 ein Detail aus 5,
• 7 eine Variante eines Verbindungsschlauchs analog zu der Darstellung gemäß 5,
• 8 eine Detaildarstellung aus 7,
• 9 eine Ansicht auf eine Zuströmseite einer Trägerplatte der wasserführenden Anordnung gemäß 1 zur Erläuterung der Lage des Schnitts in 5,
• 10 eine Variante einer Trägerplatte analog zu 9,
• 11 die Verwendung eines Verbindungsschlauchs mit Haltekrempe an einer Trägerplatte gemäß 10,
• 12 eine Ansicht analog zu 11 schräg von unten auf eine Abströmseite der Trägerplatte,
• 13 eine Axialschnittdarstellung analog zu 5 einer weiteren Variante eines Verbindungsschlauchs mit Haltekrempe und Stützscheibe,
• 14 eine Detaildarstellung aus 13,
• 15 eine Ansicht auf die Zuströmseite einer Stützscheibe aus 13,
• 16 eine Axialschnittdarstellung der Stützscheibe gemäß 15,
• 17 eine dreidimensionale Schrägdarstellung zur Erläuterung der Montage einer Anordnung gemäß 13,
• 18 eine Ansicht auf die Abströmseite der Trägerplatte aus 17,
• 19 eine Axialschnittdarstellung analog zu 5 einer weiteren Variante eines Verbindungsschlauchs mit Haltekrempe und
• 20 eine Teildarstellung aus 19.

It shows:

• 1 a sanitary fitting with a water-conducting arrangement according to the invention in a partially cutaway view,
• 2 a detail 1 ,
• 3 the functional unit with connecting hoses 1 in partially dismantled condition,
• 4 a connecting hose according to the water-carrying arrangement 1 in an oblique view from above to illustrate the assembly process,
• 5 a sectional view through a connecting hose of the water-carrying arrangement 1 in an axial section view,
• 6 a detail 5 ,
• 7 a variant of a connecting hose analogous to the illustration 5 ,
• 8th a detailed representation 7 ,
• 9 a view of an inflow side of a support plate according to the water-conducting arrangement 1 to explain the location of the cut in 5 ,
• 10 a variant of a carrier plate analogous to 9 ,
• 11 the use of a connecting hose with a retaining brim on a carrier plate 10 ,
• 12 a view analogous to 11 diagonally from below onto an outflow side of the carrier plate,
• 13 an axial section view analogous to 5 another variant of a connecting hose with a retaining brim and support disk,
• 14 a detailed representation 13 ,
• 15 a view of the inflow side of a support disk 13 ,
• 16 an axial sectional view of the support disk according to 15 ,
• 17 a three-dimensional oblique view to explain the assembly of an arrangement according to 13 ,
• 18 a view of the outflow side of the carrier plate 17 ,
• 19 an axial section view analogous to 5 another variant of a connecting hose with a retaining brim and
• 20 a partial representation 19 .

The 1 until 6 and 9 show a first exemplary embodiment and are described together below.

A sanitary fitting, designated overall as 1, has a water-carrying arrangement 2. This water-carrying arrangement 2 comprises at least one sanitary functional unit 3, a connecting hose 4 and further connecting hoses 5.

The functional unit 3 has two inputs and one output, with the further connecting hoses 5 being connected to the inputs and the connecting hose 4 being connected to the output.

A retaining brim 7 is formed on an end 6 of the connecting hose 4 facing the functional unit 3.

The functional unit 3 has a functional body 8 and a carrier plate 9.

The other connecting hoses 5 each have a connecting piece 10 in a manner known per se, which includes a hose nipple 13 and a crimp sleeve 14. The connecting pieces 10 are suspended in hose receptacles 11 on the carrier plate 9 in a manner known per se.

The holding brim 7 of the connecting hose 4 is suspended directly into a hose receptacle 12 on the carrier plate 9 without a separate connection.

The holding brim 7 is made of the same material as the connecting hose 4 and is formed in one piece on the connecting hose 4.

The connecting hose 4 consists of a thermoplastic material that was cut to length before assembly. The retaining brim 7 has been thermoplastically formed from the hose material on the connecting hose 4 using a heated tool stamp, so that the hose material has been thrown up to form the retaining brim 7.

In 4 It can be seen that the hose receptacle 12 is designed to be closed all around, so that the connecting hose 4 must be threaded through the hose receptacle 12 during assembly and pulled through to the retaining brim 7.

In the exemplary embodiment shown, the functional unit 3 is designed as a valve 15, which can be actuated with an externally accessible actuating element 16 in order to control the flow from the further connecting hoses 5 into the connecting hose 4.

The connecting hose 4 is thus designed as a drain hose 17, which is connected to a retaining brim 7 on the low-pressure side of the functional unit 3 in the manner described.

In the 5 and 6 It can be seen that the underside 18 of the holding brim 7 is not flat, but has a structure.

This structure forms a tie rod 19, which acts in the radial direction and prevents the retaining brim 7 from being pulled through the hose receptacle 12. This danger can exist, for example, if the connecting hose 4 is heated to such an extent by hot water flowing in it that the dimensional stability decreases significantly or is no longer present.

The mentioned tie rod 19 is formed in the exemplary embodiment by a rib 20 on the underside 18, which engages in a corresponding groove 21 on a support surface 22 for the holding brim 7 on the carrier plate 9.

The groove 21 thus forms a counter tie rod 23, which effects radial securing and fixing of the retaining brim 7 in interaction with the tie rod 19.

A sealing surface 25 is formed on an upper side 24 of the holding brim 7, which enables axial sealing.

Since in this exemplary embodiment the connecting hose 4 is designed and used as a drain hose 17, the top side 24 is the inflow side 26.

On the functional body 8 there is a suitable counter-sealing surface 27 with an axial seal Sealing ring 28 is formed. In the position of use, the functional body 8 is pressed against the carrier plate 9, so that on the one hand the tie rod 19 and the counter tie rod 23 are held in the active position and on the other hand the sealing ring 28 is pressed against the sealing surface 25 in order to effect the seal.

In the detailed presentation 2 It can still be seen that at the end 6 an inlet opening 29 of the connecting hose 4 is formed, which has a sharp-edged edge 30 or a radius-free edge 31. This creates a smooth transition 32 to the functional body 8 without unevenness in the wall of the liquid guide leading to turbulence.

The valve 15 is a mixing cartridge 33, with the connecting hose 4 being guided as a mixed water hose 34 to the water outlet 35 at the end of the outlet pipe 36.

The 7 and 8th show a variant of a combination of a connecting hose 4 with a carrier plate 9, as shown instead of the combination according to 5 in the water-bearing arrangement 1 according to 1 until 4 could be installed.

Functionally and/or structurally identical or identical components and functional units to the previous exemplary embodiment are designated with the same reference numerals and are not specifically described again. The comments on the previous exemplary embodiment therefore apply 7 and 8th accordingly.

In the exemplary embodiment according to 7 and 8th the tie rod 19 and the counter tie rod 23 are formed by a rib 20 in the support surface 22 and a corresponding groove 21 on the underside 18 of the holding brim 7.

In further exemplary embodiments, other combinations of grooves and ribs or other means for the effect of a positive connection are implemented.

The 10 until 16 show a further exemplary embodiment. Again, structurally and/or functionally identical or identical components and functional units to the previous exemplary embodiments are designated with the same reference numerals and are not described separately again. The comments on the 1 until 9 therefore applies to the 10 until 16 accordingly.

The exemplary embodiment according to 10 until 16 differs from the previous exemplary embodiments in that the hose receptacle 12 is opened laterally, as was already the case with the hose receptacles 11.

In order to hold the holding brim 7 on all sides, a support disk 37 is placed in the hose receptacle 12, which forms the support surface 22.

The support disk 37 is made of a non-thermoplastic material, for example metal. In the exemplary embodiment, the support disk 37 is punched or bent.

In further exemplary embodiments, the support disk 37 is made of a non-metallic material, for example a plastic.

In further exemplary embodiments, sharp-edged structures, for example holding claws, can be formed on the support surface 22, with which the support disk 37 can get caught in the holding brim 7.

The 17 until 20 show a further exemplary embodiment according to the invention. Again, functionally and/or structurally similar or identical components and functional units to the previous exemplary embodiments are designated with the same functional units and are not described separately again. The comments on the 1 until 16 therefore apply to the 17 until 20 accordingly.

The exemplary embodiment according to 17 until 20 differs from the previous exemplary embodiments in that at the inflow end 6 there is no axially acting sealing surface 25, but rather a connection piece 38. This connector 38 forms a radially oriented sealing surface 25, which engages in a sealing ring 28 which is inserted into a lower part 39 of the functional body 8 and is pressed radially.

In the case of the water-conducting arrangement 1, it is therefore proposed according to the invention to form a holding brim 7 in one piece at one end 6 of the connecting hose 4, which engages behind a hose receptacle 12 in order to suspend the connecting hose 4.

Reference symbol list

1

Sanitary fitting

2

water-bearing arrangement

3

(sanitary) functional unit

4

connecting hose

5

another connecting hose

6

End

7

retaining brim

8th

functional body

9

carrier plate

10

Connector

11

Hose holder

12

Hose holder

13

Hose nipple

14

crimp sleeve

15

Valve

16

Actuator

17

drain hose

18

bottom

19

tie rod

20

rib

21

Nut

22

Support surface

23

Counter tie anchor

24

Top

25

sealing surface

26

inflow side

27

Counter sealing surface

28

sealing ring

29

Entry opening

30

edge

31

Edge

32

crossing

33

Mixing cartridge

34

Mixed water hose

35

Water outlet

36

outlet pipe

37

Support disk

38

Support

39

Bottom part

Claims (13)

Water-carrying arrangement (2), with a functional unit (3), in particular a valve (15), and at least one connecting hose (4), in particular inlet hose and / or outlet hose (17), characterized in that on one facing the functional unit (3). At the end (6) of the connecting hose (4), a molded retaining brim (7) is formed in one piece and that the retaining brim (7) is suspended on a hose receptacle (11) of the valve (15). Water-conducting arrangement (2). Claim 1 , characterized in that the connecting hose (4) is made of a thermoplastic material and/or that the retaining brim (7) is formed by thermoplastic forming. Water-carrying arrangement (2) according to one of the preceding claims, characterized in that the hose receptacle (11) is open laterally or that the hose receptacle (11) is designed to be closed all around. Water-conducting arrangement (2) according to one of the preceding claims, characterized in that a radially acting tie rod (19), in particular as a preferably circumferential groove (21) or rib (20), is formed on the holding brim (7). Water-carrying arrangement (2) according to one of the preceding claims, characterized in that the holding brim (7) is pressed against a support surface (22) on the hose receptacle (11). Water-carrying arrangement (2) according to one of the preceding claims, characterized in that the or a support surface (22) on the hose receptacle (11) is designed to correspond to the retaining brim (7), in particular so that a radially acting counter-tension anchor (23) is formed . Water-carrying arrangement (2) according to one of the preceding claims, characterized in that the hose receptacle (11) has a circumferential, preferably removable, support disk (37) on which the retaining brim (7) rests, in particular wherein the support disk (37) is a stamped part and/or a bent part and/or as a die-cast part, in particular a zinc die-cast part, and/or as a preferably thermoplastic plastic part and/or has sharp-edged structures, preferably at least one holding claw, on the or a support surface (22) for the holding brim (7). Water-carrying arrangement (2) according to one of the preceding claims, characterized in that a preferably circumferential, in particular axially and/or radially acting sealing surface (25) is formed at the end (6) of the connecting hose (4). Water-carrying arrangement (2) according to one of the preceding claims, characterized in that an axially acting sealing surface (25) is formed on an inflow side (26) of the retaining brim (7), in particular with an axially acting counter-sealing surface (27) on the valve (15). is trained. Water-carrying arrangement (2) according to one of the preceding claims, characterized in that a radially acting sealing surface (25) is formed on a connection piece (38) which protrudes beyond the retaining brim (7) on the inflow side (26), in particular where on Valve (15) has a radially acting counter-sealing surface (27). Water-carrying arrangement (2) according to one of the preceding claims, characterized in that a circumferential edge (30) of an inlet opening (29) at the end (6) of the connecting hose (4) has a sharp-edged one, in particular formed with a radius-free tool and/or attached to it Valve (15) has a flush edge (31). Water-carrying arrangement (2) according to one of the preceding claims, characterized in that the valve (15) is a mixing cartridge (33) and/or that the drain hose (17) is a mixed water hose (34). Sanitary fitting (1) with a water-conducting arrangement (2) according to one of the preceding claims, in particular wherein the connecting hose (4) is guided as a drain hose (17) to a water outlet (35) of the sanitary fitting (1) and / or at least one inlet hose of the functional unit (3), in particular the valve (15), has a hose nipple (13).

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