Sanitary insert

Abstract

The invention relates to a sanitary insert (1), in particular a jet regulator (37), comprising a resolver unit (8), a water outlet structure (11) and a mixing chamber (10) arranged between the resolver unit (8) and the water outlet structure (11), a grid (14) being formed in the mixing chamber (10) and at least one flat structure (17, 18, 19, 20, 28, 29, 30) being formed downstream of the grid (14) in the flow direction.

Description

Technical Field

[0001] The invention relates to a sanitary insert, in particular a jet regulator, which comprises a separator unit, a water outlet structure and a mixing chamber arranged between the separator unit and the water outlet structure. Background Art

[0002] Such sanitary inserts are known and are used to produce water jets on fittings of the desired shape, quality and strength. Summary of the invention

[0003] The present invention aims to provide different types of jet qualities.

[0004] To achieve this object, the invention provides the features of claim 1. In particular, in order to achieve this object, it is therefore provided according to the invention in a sanitary insert of the type mentioned at the outset that a grid is formed in the mixing chamber and at least one planar structure is formed arranged downstream of the grid in the flow direction. The grid can be described in particular as an inflow-side grid with respect to its position relative to the planar structure.

[0005] Therefore, the water jet can accumulate around the microbubbles.

[0006] Microbubbles are known and have the advantage that they allow a relatively long residence time of the bubbles in the water. This has many application possibilities. There is also the possibility of providing energy when the bubbles burst, wherein free radicals can be formed in the water, which have positive application properties.

[0007] Microbubbles also provide a large surface area at the boundary layer which can be used to absorb, for example, oil and other substances from the surface. Microbubbles are therefore well suited for achieving a cleaning effect.

[0008] Independently of the production technology, (flat) planar structures can be characterized as a general term for all two-dimensional products made of fibers and / or threads. (Textile) planar structures include woven fabrics, knitted fabrics, felts, carpets, tufted carpets, nonwoven fabrics, tulles, mesh fabrics, braids, multi-layered textiles and sewn knitted fabrics. If the fibers and / or threads are at least partially made of metal, it can be said to be a metallic planar structure.

[0009] In an advantageous embodiment, it can be provided that at least two planar structures are stacked one on top of the other.

[0010] The formation of microbubbles can therefore be advantageously influenced depending on the number of planar structures stacked on top of one another.

[0011] In an advantageous embodiment, it can be provided that an outflow-side grid is formed downstream of the planar structure.

[0012] The planar structure can be arranged between the grids in such a way that it is supported and / or stabilized by at least one grid. The grid can differ from the water outlet structure in particular in that the water outlet structure has a rectifying function with respect to the water flowing through it compared to the grid. The grids can in particular have mutually different hole structures. The corresponding sanitary insert can have a plurality of planar structures, wherein in particular the planar structure on the outflow side can be arranged adjacent to the grid on the outflow side.

[0013] In particular, at least one further planar structure can be connected downstream of the grid on the outflow side. This can be particularly advantageous in the case of smaller flow rates, for example from and below 0.5 gpm (gallons per minute). It can be advantageous here that the minimum mesh width of the further (lower) planar structure (for example in the case of a multi-layer planar structure) is greater than the minimum mesh width of the (upper) planar structure (for example in the case of a multi-layer planar structure). Alternatively or additionally, it can be advantageous, in particular for small flow rates, to provide a minimum mesh width of 50-60 μm on the upper planar structure.

[0014] In an advantageous embodiment, it can be provided that the decomposer unit exerts a pressing force on the grid on the inflow side, wherein the at least one planar structure is clamped between the grid on the inflow side and the grid on the outflow side.

[0015] In this way, the planar structure can be releasably held between the grids. A sufficient seal between the at least one planar structure and the grid can be achieved by means of the pressing force.

[0016] In an advantageous design, it can be provided that the gap formed by the webs of a grid is aligned with the intersection of the webs of another grid. In particular, this can be the gap formed by the grid on the inflow side and / or the intersection formed by the grid on the outflow side.

[0017] The recess is aligned with the intersection point to be understood in particular to mean that the intersection point is located in a projection of the recess parallel to the longitudinal center axis of the sanitary insert. Particularly preferably, the intersection point is located in the center of the projection of the recess.

[0018] Thus, a pool defined by the gaps of the grid, in particular on the inflow side, and by the planar structure in the flow direction can be optimally supported by at least one intersection point of the grid, in particular on the outflow side. In this way, the bottom of the corresponding pool, which is formed by the planar structure, can be supported exactly where it is loaded most by the inflowing water.

[0019] In an advantageous embodiment, it can be provided that the recesses of the inlet-side grid are aligned with the outlet openings of the decomposer unit.

[0020] In this way, the water jet emerging from the outlet opening of the decomposer unit can freely reach the planar structure by virtue of the pool formed by the recess being arranged at the corresponding point of incidence of the water jet.

[0021] Alternatively or additionally, provision can be made for the intersection point of the outflow-side grid to be aligned with the outlet opening of the decomposer unit.

[0022] Thus, if the water impinges on the corresponding intersection points of the webs of the outflow-side grid and must flow around these intersection points, additional atomization of the water on the outflow side of the planar structure can be achieved. In addition, the jet impinging on the supporting planar structure can be directed back to fill the corresponding pool formed by the gaps of the inflow-side grid.

[0023] In an advantageous embodiment, it can be provided that the at least one planar structure bears against the intersection points of the webs of the outflow-side grid. Alternatively or additionally, it can be provided that the at least one planar structure is supported by the intersection points of the webs of the outflow-side grid.

[0024] It is thus possible for the planar structures to be supported in each case at the point of incidence of the water jet emerging from the outlet opening of the decomposer unit.

[0025] In an advantageous embodiment, it can be provided that the at least one planar structure bears against and / or is supported by webs, in particular concentrically extending webs, of the outflow-side grid. Alternatively or additionally, it can be provided that the at least one planar structure bears against and / or is supported by radially extending webs of the outflow-side grid. Thus, a stable bearing is provided for a finer atomization and / or distribution of the incoming water jet.

[0026] It is particularly advantageous if the web is arranged at the point of impact of the outflowing water jet of a decomposer unit upstream of the support, for example the decomposer unit already mentioned and / or still to be described below. The water jet can thus be directed toward the fixed substrate.

[0027] The manner in which the planar structure is supported can thus be varied and altered depending on the conditions, for example the prevailing water pressure and / or the type and shape of the planar structure.

[0028] In an advantageous embodiment, it can be provided that the planar structure is supported by the outflow-side grid at a support point which is aligned with the outlet opening of the decomposer unit. Alternatively or additionally, it can be provided that the planar structure is supported by the outflow-side grid at a support point which is aligned with the point of incidence of the water jet emerging from the decomposer unit.

[0029] In this way, it can be ensured that the jet from the decomposer unit, in particular its outlet opening, at least partially, in particular completely, impinges on the element supporting the planar structure, for example the web of the outflow-side grid. The advantages of the water jet which is at least partially directed back and fills the pool or is fanned out or atomized on the outflow side of the planar structure can thus be optimally achieved. In an advantageous embodiment, it can be provided that the planar structure is a textile or metallic planar structure.

[0030] In particular, this may be a woven fabric which can be produced, for example, in a simple manner from a large woven mat by means of punching.

[0031] In an advantageous embodiment, it can be provided that the grid bears against the planar structure.

[0032] The planar structure can thus be structurally stabilized by the grid.

[0033] Furthermore, it can be provided that the webs of the grid bear linearly against the planar structure.

[0034] The flow part that is deflected laterally is thus blocked. Small pools can be formed in which the water-air mixture can be retained on the planar structure and can be pressed through the planar structure by the subsequent fluid.

[0035] In an advantageous embodiment, it can be provided that the grid has a greater rigidity, so that stabilization can be achieved over the entire extension of the planar structure.

[0036] In an advantageous embodiment, it can be provided that the grid has a greater deadweight than the planar structure, thereby providing an advantageous holding-down device.

[0037] In an advantageous embodiment, it can be provided that the planar structure has a mesh width of less than 200 μm. Preferably, the mesh width can be less than 110 μm, less than 50 μm, or not more than 30 μm or not more than 20 μm.

[0038] The mesh width of a planar structure can be described, for example, as a characteristic length, such as a thread distance or a coil diameter, or as the largest, average or smallest clear inner dimension of the openings of the planar structure, for example also as a statistical mean value.

[0039] The formation of microbubbles can thus be positively influenced. Depending on the geometry of the sanitary insert and the properties of the water flowing through or the material of the planar structure, the mesh width of the planar structure can be advantageously selected.

[0040] In an advantageous embodiment, it can be provided that the grid has a greater mesh width than the planar structure.

[0041] The mesh width of a grid can be described, for example, as a characteristic length of the grid or a grid segment, such as the web distance, or as the largest, average or smallest clear inner dimension of the grid openings, for example also as a statistical mean value.

[0042] Therefore, the mesh width of the grid can be at least twice, at least three times, at least five times and / or at least ten times the mesh width of the planar structure. The grid can also have a mesh width that is larger than the maximum or minimum mesh width of the multi-layer planar structure by a corresponding factor.

[0043] A plurality of planar configurations can be connected to one another to form an insert. This can simplify the handling of a plurality of planar configurations. The sanitary insert claimed for protection cannot be understood as an insert. An insert consisting of at least two planar configurations can be inserted into the sanitary insert. The planar configurations of the insert can be connected to one another in a material-locked manner. Here, different mesh widths can be used in one insert. A plurality of inserts can be stacked and do not have to be connected to one another compulsorily. The different ratios of mesh width and thickness of different planar configurations of different inserts lead to different formations of microbubbles. The parameters can be coordinated with one another so that microbubbles of the desired type are formed. For example, microbubbles can be produced with a desired size or residence time in water. The order of a plurality of planar configurations and their orientation relative to one another can be fixed by connecting a plurality of planar configurations to one insert.

[0044] The grid can thus structurally stabilize (for example, compress) the planar structure. It is also possible to pre-distribute the incoming water jets with the aid of the grid, wherein smaller portions of the initial water jets are supplied to the planar structure independently of one another. Together with the linear webs of the grid resting against the planar structure, an advantageous formation of microbubbles can thus be achieved.

[0045] In an advantageous embodiment, it can be provided that the planar structure as a first planar structure is lined from below on the outflow side by a second planar structure.

[0046] Thus, a first layer of a planar structure can be structurally supported by a further planar structure.

[0047] In this case, it can be provided that the second planar structure has a greater mesh width than the first planar structure. It can also be provided that the second planar structure has a greater rigidity than the first planar structure.

[0048] The structural support of the first planar structure by the second planar structure can thus be advantageously selected and, for example, increased.

[0049] In this case, it can also be provided that the second planar structure is connected to the first planar structure, for example at its edge and / or in a planar manner. The connection can be a material-bonded connection.

[0050] Thus, a plurality of planar structures can be held together. The connection can also be established by means of ultrasound. Here, an ultrasonic punching process can be used.

[0051] In an advantageous embodiment, it can be provided that the grid has a thickness that is at least twice as great, or at least three times, at least four times, at least five times, or at least ten times as great as the thickness of the planar structure.

[0052] Thus, the structural properties of the grid can be selected advantageously.

[0053] The parameters which determine the stability of the grid and / or the planar structure can thus be advantageously selected and coordinated with one another.

[0054] In an advantageous embodiment, it can be provided that the planar structure as the first insert has a smaller mesh width than the first planar structure of the second insert formed on the outflow side of the first insert.

[0055] In addition, it can be provided that each first planar structure is lined from below by a second planar structure.

[0056] Thus, microbubble formation can be influenced and regulated more precisely.

[0057] In addition, it can be provided that the second planar structure has a greater mesh width than the associated first planar structure. It can also be provided that the second planar structure has a greater rigidity than the associated first planar structure.

[0058] The first planar structure can thus advantageously be structurally reinforced. The formation of microbubbles can be advantageously influenced.

[0059] In an advantageous embodiment, it can be provided that the planar structure is formed as a first planar structure of the first insert and that a second insert consisting of the same planar structure is formed on the outflow side of the first insert.

[0060] Thus, at least two inserts of the same configuration can be stacked one on top of the other. Depending on the number of inserts stacked one on top of the other, the microbubble formation can be advantageously influenced. The use of inserts of the same configuration reduces their manufacturing costs.

[0061] In an advantageous embodiment, it can be provided that the sanitary insert is designed with a gas supply, in particular is designed to be pneumatic. In addition, it can be provided that the sanitary insert is designed as a jet regulator that is pneumatic or provided with a gas supply.

[0062] Thus, a defined gas supply, in particular air supply, to the region of microbubble formation can be achieved.The use of an insert filled with gas or provided with a gas supply or a jet regulator filled with gas or provided with a gas supply can advantageously influence the microbubble formation.

[0063] In an advantageous embodiment, it can be provided that the mesh width of the grid is dimensioned in such a way that at least one outlet opening of the decomposer unit is aligned between two webs of the grid. Most or all outlet openings of the decomposer unit can also be aligned between two webs of the grid. The outlet openings can be formed by a perforated plate of the decomposer unit.

[0064] In this way, the contact force can be directed onto the planar structure. The water can be introduced directly into the formed gap, which is delimited by the planar structure and the webs of the grid. This facilitates the fact that, on the one hand, air mixing takes place close to the planar structure, and, on the other hand, the water pressure causes the air-enriched water to be actually pressed through the planar structure. The use of a perforated plate can assist this process.

[0065] In an advantageous embodiment, it can be provided that the thickness of the insert varies.

[0066] Here, the thickness of the insert can, for example, decrease radially outwards. Thus, a specific edge region can be formed, for example, for sealing against the wall of the mixing chamber.

[0067] Thus, a bypass is formed between the edge of the insert and the edge of the mixing chamber, through which bypass the air can flow to form larger gas bubbles.

[0068] In an advantageous embodiment, it can be provided that the mesh width, for example, mentioned above, of a first planar structure of an insert is smaller by a factor of at least 3 and / or at most 50 than the mesh width, for example, mentioned above, of a second planar structure of the same insert.

[0069] Preferably, the mesh width of the first planar structure is smaller by a factor of at least 3 and / or at most 7 than the mesh width of the second planar structure.

[0070] Alternatively, the mesh width of the first planar structure is smaller by a factor of at least 30 and / or at most 50 than the mesh width of the second planar structure.

[0071] The first planar structure is preferably supported on the inflow side relative to the second planar structure, which is therefore preferably arranged on the outflow side. The planar structures can in turn be connected to one another in a materially bonded manner.

[0072] The variation of the mesh width of the different planar structures of the insert makes it possible to form microbubbles with desired properties, for example with regard to their size or residence time in water.

[0073] In an advantageous embodiment, it can be provided that the grid or the planar structure is designed as an insert.

[0074] Thus, the grid or the planar structure can be easily inserted into the sanitary insert or removed from the sanitary insert. In this regard, the planar structure can also be multi-layered and / or an insert. It is also possible to supplement the planar structure or grid in an existing sanitary insert. The grid and the planar structure can be implemented as separate components.

[0075] In an advantageous embodiment, it can be provided that the decomposer unit presses the grid against the planar structure.

[0076] Thus, the planar structure can be fixed relative to the grid. The grid can be pressed against the planar structure, for example, in order to achieve a linear contact of the webs of the grid against the planar structure, for example as described above. This makes the formation of the small pool easier.

[0077] Furthermore, it can be provided that the planar structure is clamped between the grid and the water outlet structure.

[0078] The sanitary insert can thus be designed to be particularly compact. The position of the grid and / or the planar structure can thus be determined and fixed. Additional retaining elements for the planar structure can be omitted.

[0079] In an advantageous embodiment, it can be provided that the planar structure is supported by the water outlet structure.

[0080] This also allows a simplified design of the sanitary insert since additional retaining elements can be omitted.

[0081] In an advantageous embodiment, it can be provided that the planar structures, in particular all planar structures, are produced from polypropylene (PP), polyester (PET) and / or polyamide (PA) and / or combinations thereof.

[0082] Alternatively or additionally, it may be provided that the grid is produced from polyoxymethylene (POM), polypropylene (PP) and / or polybutylene terephthalate (PBT) and / or a combination thereof.

[0083] A preferred combination provides a planar structure made of PET and a grid made of POM.

[0084] In an advantageous design, it can be provided that the planar structure is manufactured with a lateral interference with respect to the mixing chamber. Thus, for example, a sealing contact on the wall of the mixing chamber can be achieved by a planar structure with an interference size and / or by a planar structure with an integrally formed part.

[0085] A preferred application of the invention provides that the planar structure is used for generating microbubbles in a sanitary insert, for example in a jet regulator, in particular as described above or according to one of the claims relating to the sanitary insert. BRIEF DESCRIPTION OF THE DRAWINGS

[0086] The invention will now be described in detail with reference to an exemplary embodiment, but the invention is not restricted to this exemplary embodiment. Further exemplary embodiments result from the combination of the features of one or more claims with one another and / or with one or more features of this exemplary embodiment.

[0087] In the attached picture:

[0088] Figure 1 The sanitary insert according to the invention is shown in a sectional view, inserted into the outlet of a sanitary fitting,

[0089] Figure 2 Show Figure 1 An enlarged portion of

[0090] Figure 3 Shown in perspective section Figure 1 Sanitary inserts in

[0091] Figure 4 shows a top view of an insert according to the invention, which is composed of a plurality of planar structures,

[0092] Figure 5 a diagram showing the mesh width of a first planar structure,

[0093] Figure 6 a diagram showing the mesh width of the second planar structure,

[0094] Figure 7 A diagram showing the superposition of two planar structures,

[0095] Figure 8 shows a cross-sectional view of an insert having two layers,

[0096] Fig. 9 A cross-sectional view of an insert having three layers is shown,

[0097] Fig.10 Shows something like Figure 2 An illustration of an insert with an oversize portion,

[0098] Fig.11 shows a sectional view of another sanitary insert according to the invention,

[0099] Fig.12 Show Fig.11 Exploded view of the components of the sanitary insert,

[0100] Fig.13 A view from above showing two grids arranged one above the other,

[0101] Fig.14 A variant of grids stacked on top of each other with inserts is shown, and

[0102] Fig.15 A further variant of a grid with inserts stacked one on top of the other is shown. DETAILED DESCRIPTION

[0103] Figure 1 The sanitary insert 1 according to the invention is shown, which is implemented as a jet regulator 37 and is embedded in the outlet 2 of the sanitary fitting 3. The sanitary insert 1 is screwed into the matching thread 5 of the sanitary fitting 3 by means of a threaded sleeve 32 having a thread 4. A sealing ring 6 is pressed between the sanitary insert 1 and the sanitary fitting 3. A prescreen 7 is configured on the inflow side. A decomposer unit 8 in the form of a perforated plate 9 is connected to the prescreen in the flow direction. A mixing chamber 10 is subsequently configured on the decomposer unit in the flow direction. The mixing chamber 10 is defined on the outflow side by a water outlet structure 11, which is configured on a housing part 12, which is connected to the decomposer unit 8 via a latching connection 13. The decomposer unit 8 has a plurality of outlet openings 25, which are respectively aligned between two tabs 26 of the grid 14. These outlet openings 25 are formed by the perforated plate 9 of the decomposer unit 8.

[0104] A grid 14 and two inserts 15, 16 are constructed in the mixing chamber, which are each composed of two planar structures 17, 18 or 19, 20. Here, the planar structures 17, 18, 19, 20 are made of textile fabrics, but in other embodiments they can also be made of metal. The planar structures 17, 18, 19, 20 also have a mesh width of less than 200 μm. Between each two planar structures 17, 18 or 19, 20, a material-locked connection 21 or 22 is established on the edge side. In the two inserts 15, 16, the first planar structures 17, 19 are respectively cushioned from below by the second planar structures 18, 20 on the outflow side. The second planar structures 18, 20 can have a larger mesh width and greater rigidity than the first planar structures 17, 19.

[0105] Figure 2 Show Figure 1 In particular, the material-locking connection 21 or 22 at the edges between each two planar structures 17, 18 or 19, 20 of the inserts 15, 16 can be seen here. The grid 14 does not rest against the insert 15 on the inflow side, but is supported by the webs 26, whereas the insert 16 on the outflow side is supported by the water outlet structure 11.

[0106] The grid 14 and the inserts 15 , 16 are each designed as inserts and can be easily inserted or removed. In particular, in the region of the integrally bonded connecting parts 21 , 22 , it can be seen that the thickness of the inserts 15 , 16 changes, ie decreases radially outwards.

[0107] Between the outer edges 34 , 35 of the inserts 15 , 16 and the inner edge 36 of the mixing chamber 10 , a bypass 33 is formed, through which bypass air can flow in order to form, for example, larger microbubbles.

[0108] Figure 3 Shown in perspective section Figure 1 In particular, it can be seen here that the sanitary insert 1 is designed to be gas-filled and has gas supply openings 23 for this purpose.

[0109] The gas supply openings 23 are arranged below the decomposer unit 8 and above the grid 14 , respectively.

[0110] The grid 14 has a greater mesh width than the planar structures 17, 18, 19, 20, which mesh width is, for example, at least twice the maximum or minimum mesh width of the multi-layered planar structures, i.e., in this embodiment, the inserts 15, 16. In addition, the grid 14 has a thickness 24 that is at least twice as great as the planar structures 17, 18, 19, 20.

[0111] Figure 4 The insert 15 according to the invention is shown in a top view and is composed of two superimposed planar structures 17, 18, each with a different mesh width. On the edge, a material-bonded connection 21 is formed between the two planar structures 17, 18. In this case, the insert 15 is round; in other embodiments of the sanitary insert 1, the insert can also have other shapes.

[0112] Figure 5 A schematic diagram shows the mesh width of a first planar structure 17 according to the invention.

[0113] Figure 6 A schematic diagram shows the mesh width of a second planar structure 18 according to the invention.

[0114] Figure 7 It shows how the insert 15 can be inserted by Figure 5 , Figure 6 The two planar structures 17 , 18 can be circular as shown and can be punched out of a larger layer of the planar structures 17 , 18 , for example, by means of an ultrasonic punching process.

[0115] Figure 8A cross-sectional view of an insert 15 according to the invention is shown. Figure 7 , is composed of two planar structures 17, 18. In the edge region, a material-locked connection 21 between the planar structures 17, 18 can be seen. In this case, the first planar structure 17 has a smaller mesh width than the second planar structure 18. The planar structure 17 is therefore supported by the planar structure 18 and cushioned from below.

[0116] Fig. 9 A sectional view of another insert 27 according to the invention is shown, which is assembled from three planar structures 28, 29, 30. The planar structures 28, 29, 30 are connected at the edges by a material-locking connection 31. In this embodiment, the uppermost planar structure 28 has the smallest mesh width, the middle planar structure 29 has the largest mesh width, and the planar structure 30 has an intermediate mesh width. The middle planar structure 29 therefore structurally supports the planar structures 28, 30 and also has a greater rigidity.

[0117] Fig.10 A part of an alternative embodiment is shown. Again, components and functional units that are similar or identical in function and / or structure are denoted by the same reference numerals and are not described separately. Therefore, the explanations regarding the above-mentioned embodiment apply accordingly to this embodiment.

[0118] according to Fig.10 The embodiment of the embodiment of the invention differs from the preceding embodiment in that the planar structures 17, 18, 19, 20 are designed with a lateral dimension excess 38 relative to the net inner dimensions of the mixing chamber 10, so that the planar structures are bent upwards and rest sealingly against the wall 39 of the mixing chamber 10. Figure 2 The bypass 33 in is closed.

[0119] The dimensional excess can be produced here from the material of the planar structure 17 , 18 , 19 , 20 or can be produced by integral molding.

[0120] In one embodiment, the following applies

[0121] Surface-like structures Mesh width (μm) 17 20 18 800 19 105 20 800

[0122] The mesh width of the first, lower planar structure 19 is therefore smaller by a factor of 7.62, ie by a factor of 3 to 50 or even 3 to 10, than the mesh width of the second, lower planar structure 20 .

[0123] The mesh width of the first upper planar structure 17 is therefore smaller by a factor of 40, ie by a factor of 5 to 50 or even by a factor of 30 to 50, than the mesh width of the second upper planar structure 18 .

[0124] For example, the mesh width can be advantageously selected depending on the operating pressure or the existing water pressure. Thus, for example, a smaller mesh width at an operating pressure above 2 bar and a larger mesh width at an operating pressure below 1.5 bar, in particular below 1 bar, can ensure an advantageous bubble generation. The smaller mesh width can be, for example, less than 200 μm, as already described, and the larger mesh width can be, for example, greater than 500 μm, in particular at least 800 μm. In the range between 1.5 bar and 2 bar, small and large mesh widths can be equally suitable. For example, a mesh width of 33 μm can be suitable at an operating pressure of 2 bar.

[0125] In the exemplary embodiment shown, the planar structure is made of PET and the grid is made of POM.

[0126] Fig.11 A further sanitary insert 1 according to the invention is shown which is designed as a jet regulator 37 and without the threaded sleeve 32. In addition, components and functional units which are functionally and / or structurally identical or equivalent are denoted by the same reference numerals and are not described separately. The description of the preceding exemplary embodiment therefore applies accordingly to this exemplary embodiment.

[0127] The sanitary insert 1 has a prescreen 7 installed on the inflow side of a decomposer unit 8 embodied as a perforated plate 9. The decomposer unit 8 has a discharge opening 25. The decomposer unit 8 is connected to another housing part 12 via a latching connection 13. The housing part 12 has a water outlet structure 11, which is connected to the housing part 12 in one piece. The housing part 12 limits the mixing chamber 10 with its wall 39. The housing part 12 also has a gas supply opening 23. This allows the jet regulator 37 to be inflated. A grid 14 on the inflow side is arranged in the mixing chamber 10, which has a web 26. An insert 15 in the form of a planar structure 17 is installed on the outflow side of the grid 14. This can involve the inserts 15 and 16 described above. It is also possible to provide multiple inserts 15 and 16. The inserts 15 and 16 can have multiple planar structures 17, 18, 19, 20, which can be connected by material-locked connections 21 and 22.

[0128] Arranged downstream of the planar structure 17 is a grid 40 on the outflow side, which has webs 41. The planar structure 17 is held between the grids 14, 40. The insert 15 or the planar structure 17 is arranged between the grids 14, 40 in such a way that an inner region 47, which contains the longitudinal center axis L of the sanitary insert 1 and is viewed in the radial direction of the longitudinal center axis L, is arranged axially offset from an edge region 48 of the insert 15 or the planar structure 17. The inner region 47 is pressed by the grid 14 on the inflow side in the flow direction and toward the grid 40 on the outflow side.

[0129] Fig.12 Shown in exploded view Fig.11The sanitary insert 1 of FIG. 1 comprises a decomposer unit 8 of a perforated plate 9, a grid 14 on the inflow side, an insert 15 and a grid 40 on the outflow side. The outlet opening 25 of the perforated plate 9 is arranged on the bottom side of the perforated plate 9 which is not visible. The grid 14 has webs 26 which are arranged concentrically and / or radially and form intersections 44 and gaps 45 between the webs 26. Similarly, the outflow-side grid 40 has webs 41 which are arranged concentrically and / or radially and form intersections 42 and gaps 43 between the webs 41. The insert 15 is designed as a planar structure 17.

[0130] Fig.13 In the view from the inflow side, the inflow-side grid 14 is shown arranged on the outflow-side grid 40. It can be seen here that the gaps 43, 45 formed by the webs 26, 41 of one grid 14, 40, that is, in particular the inflow-side grid 14, are aligned with the intersection points 42, 44 of the webs 26, 41 of the respective other grid 14, 40, that is, in particular the outflow-side grid 40.

[0131] Fig.14 Similar to Fig.13 The inlet-side grid 14 is shown placed on the outlet-side grid 40, wherein an insert 15 in the form of a planar structure 17 is inserted between the two grids 14, 40. Furthermore, the outlet opening 25 of the decomposer unit 8 or the projection of this outlet opening 25 is depicted in the plane of the inlet-side grid 14 along the flow direction or the longitudinal center axis L of the sanitary insert 1.

[0132] It can be seen in particular that the openings 45 of the inflow-side grid 14 and even the intersections 42 of the outflow-side grid 40 are aligned with the outlet openings 25 of the decomposer unit 8. Here, each opening 45 of the outermost ring 49 of the openings 45 of the inflow-side grid 14 is respectively assigned an outlet opening 25 of the decomposer unit 8. In the case of the nearest inner ring 50 of the openings 45 that follows it, which has the same number of openings 45 as the outermost ring 49 of the openings 45, only one outlet opening 25 of the decomposer unit 8 is assigned to each second opening 45.

[0133] It can also be seen that the at least one planar structure 17 rests against the intersection 42 and the webs 41 of the outflow-side grid 40 and is supported by them. The at least one planar structure 17 rests against the concentrically and / or radially extending webs 41 of the outflow-side grid 40 and is supported by them. The planar structure 17 is supported by the outflow-side grid 40 at a support point 46 which is aligned with the outlet opening 25 of the decomposer unit 8 and also with the point of incidence of the water jet emerging from the decomposer unit 8. The support point 46 is at Fig.14In the case of , this is the intersection 42 of the outflow-side grid 40. In this way, the outflow-side grid 40 supports the planar structure 17 precisely at the point where it is impinged upon by the incident water jet coming out of the outlet opening 25 of the decomposer unit 8 and is therefore loaded most.

[0134] Fig.15 with Fig.14 The embodiment shown in FIG. 1 differs in particular in that the bearing points 46, which are aligned with the outlet openings 25 of the decomposer unit 8 and the impingement points of the water jets emerging from the decomposer unit 8, are not arranged at the intersection points 42 of the outflow-side grids 40. The bearing points 46 are in this case arranged only on the corresponding concentrically extending webs 41 of the outflow-side grids 40. In this way, the planar structure 17 can also be supported precisely at the point at which it is most heavily loaded by the impinging water jets.

[0135] Reference numerals list

[0136] 1 Hygienic insert

[0137] 2 Discharge section

[0138] 3. Sanitary accessories

[0139] 4 Thread

[0140] 5 Mating thread

[0141] 6 Sealing ring

[0142] 7 Pre-screen

[0143] 8 Resolver Unit

[0144] 9-well plate

[0145] 10 Mixing chamber

[0146] 11 Water outlet structure

[0147] 12 Housing parts

[0148] 13 Lock connection

[0149] 14 Grille

[0150] 15 Inserts

[0151] 16 Inserts

[0152] 17 Surface structures

[0153] 18 Surface-like structures

[0154] 19 Surface-like structures

[0155] 20 Surface-like structures

[0156] 21 Material-locked connections

[0157] 22 Material-locked connections

[0158] 23 Gas delivery opening

[0159] 24 Thickness

[0160] 25 Discharge opening

[0161] 26 Splice

[0162] 27 Inserts

[0163] 28 Surface-like structures

[0164] 29 Surface-like structures

[0165] 30 Surface-like structures

[0166] 31 Material-locked connections

[0167] 32 threaded sleeve

[0168] 33 Bypass

[0169] 34 Edge

[0170] 35 Edge

[0171] 36 Edge

[0172] 37 Jet Regulator

[0173] 38 Size Interference

[0174] 39 10 Wall

[0175] 40 Outflow side grille

[0176] 41 splice

[0177] 42 intersection

[0178] 43 Gap

[0179] 44 intersection

[0180] 45 Gap

[0181] 46 Supporting parts

[0182] 47 Internal Area

[0183] 48 Edge Area

[0184] 49 Outermost Ring

[0185] 50 inner ring

[0186] L longitudinal center axis

Claims

1. A sanitary insert (1), in particular a jet regulator (37), comprising a separator unit (8), a water outlet structure (11) and a mixing chamber (10) arranged between the separator unit (8) and the water outlet structure (11), wherein: A grid (14), in particular on the inflow side, is formed in the mixing chamber (10) and at least one planar structure (17, 18, 19, 20, 28, 29, 30) is arranged downstream of the grid (14) in the flow direction.

2. The sanitary insert (1) according to the preceding claim, characterized in that At least two planar structures (17, 18, 19, 20, 28, 29, 30) are stacked one on top of the other.

3. The sanitary insert (1) according to any one of the preceding claims, characterized in that An outflow-side grid (40) is arranged downstream of the planar structures (17, 18, 19, 20, 28, 29, 30), in particular at least one further planar structure is connected downstream of the outflow-side grid (40).

4. The sanitary insert (1) according to any one of the preceding claims, characterized in that The decomposer unit (8) exerts a pressing force on the inflow-side grid (14), wherein the at least one planar structure (17, 18, 19, 20, 28, 29, 30) is clamped between the inflow-side grid (14) and the outflow-side grid (40).

5. The sanitary insert (1) according to any one of the preceding claims, characterized in that The gaps (43, 45) formed by the webs (26, 41) of one grid (14, 40), in particular the grid (14) on the inflow side, are aligned with the intersection points (42, 44) of the webs (26, 41) of the other grid (14, 40), in particular the grid (40) on the outflow side.

6. The sanitary insert (1) according to any one of the preceding claims, characterized in that The openings (45) of the inflow-side grid (14) and / or the intersection points (42) of the outflow-side grid (40) are aligned with the outlet openings (25) of the decomposer unit (8).

7. The sanitary insert (1) according to any one of the preceding claims, characterized in that The at least one planar structure (17, 18, 19, 20, 28, 29, 30) lies against and / or is supported by intersection points (42) of webs (41) of the outflow-side grid (40).

8. The sanitary insert (1) according to any one of the preceding claims, characterized in that The at least one planar structure (17, 18, 19, 20, 28, 29, 30) abuts against and / or is supported by preferably concentrically and / or radially extending webs (41) of the grid (40) on the outflow side, in particular the webs (41) are arranged at the point of incidence of the water jet coming out of the decomposer unit (8) supported upstream.

9. The sanitary insert (1) according to any one of the preceding claims, characterized in that The planar structures (17, 18, 19, 20, 28, 29, 30) are supported by the outflow-side grid (40) at a support point (46) which is aligned with the outlet opening (25) of the decomposer unit (8) and / or the point of incidence of the water jet emerging from the decomposer unit (8).

10. The sanitary insert (1) according to any one of the preceding claims, characterized in that The planar structure (17, 18, 19, 20, 28, 29, 30) is a textile or metallic planar structure (17, 18, 19, 20, 28, 29, 30), in particular a woven fabric.

11. The sanitary insert (1) according to any one of the preceding claims, characterized in that The grid (14) bears against the planar structure (17, 18, 19, 20, 28, 29, 30), in particular wherein the webs (26) of the grid (14) bear linearly against the planar structure (17, 18, 19, 20, 28, 29, 30) and / or the grid (14) has a greater rigidity and / or a greater deadweight than the planar structure (17, 18, 19, 20, 28, 29, 30).

12. Sanitary insert (1) according to any one of the preceding claims, characterized in that The planar structure (17, 18, 19, 20, 28, 29, 30) has a mesh width of less than 200 μm, preferably less than 110 μm or less than 50 μm, particularly preferably not more than 30 μm and / or not more than 20 μm.

13. Sanitary insert (1) according to any one of the preceding claims, characterized in that The grid (14) has a larger mesh width than the planar structure (17, 18, 19, 20, 28, 29, 30), in particular the mesh width of the grid (14) is at least twice, at least three times, at least five times or at least ten times the mesh width of the planar structure (17, 18, 19, 20, 28, 29, 30), in particular the largest or smallest mesh width of the multilayered planar structure (17, 18, 19, 20, 28, 29, 30).

14. Sanitary insert (1) according to any one of the preceding claims, characterized in that The planar structure (17, 18, 19, 20, 28, 29, 30) is provided as a first planar structure (17, 18, 19, 20, 28, 29, 30) and is lined from below by a second planar structure (17, 18, 19, 20, 28, 29, 30) on the outflow side, in particular the second planar structure (17, 18, 19, 20, 28, 29, 30) has a greater A larger mesh width and / or a greater rigidity of a planar structure (17, 18, 19, 20, 28, 29, 30), and / or the second planar structure (17, 18, 19, 20, 28, 29, 30) is preferably connected to the first planar structure (17, 18, 19, 20, 28, 29, 30) at its edge (34, 35) and / or in a planar and / or materially bonded manner.

15. Sanitary insert (1) according to any one of the preceding claims, characterized in that The grid (14) has a thickness (24) that is at least twice as great, in particular at least three times, at least four times, at least five times or at least ten times as great as the planar structure (17, 18, 19, 20, 28, 29, 30).

16. Sanitary insert (1) according to any one of the preceding claims, characterized in that The planar structure (17, 18, 19, 20, 28, 29, 30) as a first planar structure (17, 18, 19, 20, 28, 29, 30) of a first insert (15, 16, 27) has a smaller mesh width than a first planar structure (17, 18, 19, 20, 28, 29, 30) of a second insert (15, 16, 27) formed on the outflow side of the first insert (15, 16, 27), in particular Each first planar structure (17, 18, 19, 20, 28, 29, 30) is padded from below by a second planar structure (17, 18, 19, 20, 28, 29, 30), in particular the second planar structure (17, 18, 19, 20, 28, 29, 30) has a larger mesh width and / or a greater rigidity than the corresponding first planar structure (17, 18, 19, 20, 28, 29, 30).

17. Sanitary insert (1) according to any one of the preceding claims, characterized in that The planar structure (17, 18, 19, 20, 28, 29, 30) is designed as a first planar structure (17, 18, 19, 20, 28, 29, 30) of a first insert (15, 16, 27), and a second insert (15, 16, 27) consisting of the same planar structure (17, 18, 19, 20, 28, 29, 30) is designed on the outflow side of the first insert (15, 16, 27).

18. Sanitary insert (1) according to any one of the preceding claims, characterized in that The sanitary insert (1) is embodied with a gas supply, in particular in a pneumatic manner, in particular as a pneumatic jet regulator (37), in particular wherein at least one gas supply opening (23) is arranged below the decomposer unit (8) and / or above the grid (14).

19. The sanitary insert (1) according to any one of the preceding claims, characterized in that The mesh width of the grid (14) is dimensioned so that at least one outlet opening (25), in particular most or all outlet openings (25), of the decomposer unit (8) are aligned between two webs (26) of the grid (14), and / or the decomposer unit (8) has a perforated plate (9) which preferably forms the outlet opening (25).

20. The sanitary insert (1) according to any one of the preceding claims, characterized in that The thickness of the insert (15, 16, 27) varies, in particular decreases radially outwards.

21. The sanitary insert (1) according to any one of the preceding claims, characterized in that The mesh width of a first, preferably inflow-side, planar structure (17, 18, 19, 20, 28, 29, 30) of an insert (15, 16, 27) is smaller by a factor of at least 3 and / or at most 50, preferably at least 30 or at most 10 than the mesh width of a second, preferably outflow-side, planar structure (17, 18, 19, 20, 28, 29, 30) of the same insert (15, 16, 27).

22. Sanitary insert (1) according to any one of the preceding claims, characterized in that The grid (14) and / or the planar structure (17, 18, 19, 20, 28, 29, 30) are designed as inserts.

23. The sanitary insert (1) according to any one of the preceding claims, characterized in that The decomposer unit (8) presses the grid (14) against the planar structures (17, 18, 19, 20, 28, 29, 30), in particular clamping the planar structures (17, 18, 19, 20, 28, 29, 30) between the grid (14) and the water outlet structure (11).

24. The sanitary insert (1) according to any one of the preceding claims, characterized in that The planar structures (17, 18, 19, 20, 28, 29, 30) are supported by the water outlet structure (11).

25. Sanitary insert (1) according to any one of the preceding claims, characterized in that The planar structures (17, 18, 19, 20, 28, 29, 30) are made of polypropylene (PP), polyester (PET) and / or polyamide (PA), and / or the grid (14) is made of polyoxymethylene (POM), polypropylene (PP) and / or polybutylene terephthalate (PBT).

26. Sanitary insert (1) according to any one of the preceding claims, characterized in that The planar structures (17, 18, 19, 20, 28, 29, 30) are produced with a lateral dimensional excess (38) relative to the mixing chamber (10).

27. Use of a planar structure (17, 18, 19, 20, 28, 29, 30) in a sanitary insert (1), in particular a sanitary insert (1) according to any of the preceding claims, for generating microbubbles.

Images