Sanitary shower with a pulsator disc

Abstract

Sanitary shower (1), comprising at least: - a housing (2) with at least one supply channel (4) for a liquid opening into a pulsator chamber (3), - a jet former (5) with at least one outlet nozzle (6) for the liquid, and - a pulsator disc (11) which is arranged in the pulsator chamber (3) and is movable by the liquid in such a way that the at least one outlet nozzle (6) can be periodically at least partially closed and opened by the pulsator disc (11), wherein at least one contact area (12, 13) between the pulsator disc (11) and the pulsator chamber (3) is at least partially damped with a damping material (14).

Description

[0001] The present invention relates to a sanitary shower head for a sanitary fitting. Sanitary fittings are used, in particular, to provide a liquid, such as water, to a sink, washbasin, shower, or bathtub as needed.

[0002] A sanitary shower head can, for example, be designed as an overhead shower or hand shower and / or serve to distribute the liquid delivered by the sanitary fitting over a wide area. The liquid can be delivered by the sanitary shower head in at least one jet type, for example in the form of rain jets, full jets or pearl jets. Sanitary shower heads are also known through which the liquid can be delivered alternatively or cumulatively as pulsed water jets, for example in the form of massage jets. The pulsed water jets are generated by a pulsator disc in the sanitary shower head, which is arranged in a pulsator chamber of the shower head. When the pulsed water jets are generated, the pulsator disc wobbles in the sanitary shower head or in the pulsator chamber. In the process, the pulsator disc strikes the walls of the pulsator chamber, which can cause high levels of noise.

[0003] The object of the invention is therefore to at least partially solve the problems described with reference to the prior art and, in particular, to provide a sanitary shower by means of which the noise pollution can at least be reduced.

[0004] This object is achieved with a sanitary shower head according to the features of the independent patent claim. Further advantageous embodiments of the invention are specified in the dependent patent claims. It should be noted that the features listed individually in the dependent patent claims can be combined with one another in any technologically expedient manner and define further embodiments of the invention. Furthermore, the features listed in the patent claims are further specified and explained in the description, with further preferred embodiments of the invention being presented.

[0005] A sanitary shower head that has at least the following contributes to this: - a housing with at least one supply channel for a liquid leading into a pulsator chamber, - a jet former with at least one outlet nozzle for the liquid, and - a pulsator disc which is arranged in the pulsator chamber and is movable by the liquid in such a way that the at least one outlet nozzle can be periodically at least partially closed and opened by the pulsator disc, wherein at least one contact area between the pulsator disc and the pulsator chamber is at least partially dampened with a damping material.

[0006] The sanitary shower head is particularly suitable for use with a sanitary fitting. The sanitary fitting is used in particular for the demand-based provision of liquids, such as water, to sinks, washbasins, showers and / or bathtubs. For this purpose, cold water at a cold water temperature and hot water at a hot water temperature can be supplied to the sanitary fitting, which can be mixed by the sanitary fitting, for example by means of a mixing valve or a thermostatic mixing cartridge, to form mixed water at a desired mixed water temperature. The cold water temperature is in particular a maximum of 25 °C (Celsius), preferably 1 °C to 25 °C, particularly preferably 5 °C to 20 °C and / or the hot water temperature is in particular a maximum of 90 °C, preferably 25 °C to 90 °C, particularly preferably 55 °C to 65 °C. The mixed water can then be supplied to the sanitary shower head, for example via a liquid line or a liquid hose.The sanitary shower head can be designed, for example, as an overhead shower or a handheld shower head. The sanitary shower head can be permanently attached to a support, such as a wall, or it can be movable by a user. The sanitary shower head can spray the liquid, e.g., water, in particular in at least one jet type.

[0007] The sanitary shower head has a housing with at least one supply channel. The housing can be made at least partially of metal and / or plastic. The at least one supply channel can be connected, in particular, to the fluid line or fluid hose of the sanitary fitting. The at least one supply channel opens into a pulsator chamber of the housing. The pulsator chamber is a receiving space in the housing for a pulsator disc.

[0008] The sanitary shower head has a jet former with at least one outlet nozzle for the liquid. The jet former can have a plurality of outlet nozzles. The jet former serves to generate the at least one type of jet. The jet former can be formed as part of the housing or as a separate component. In particular, the jet former can be disc-shaped, mat-shaped and / or formed on an underside of the housing. The at least one outlet nozzle can be formed as an opening in the jet former. The liquid can be released into the surroundings of the sanitary shower head via the at least one outlet nozzle.

[0009] A pulsator disc is arranged in the pulsator chamber and can be moved or driven by the liquid in such a way that the at least one outlet nozzle can be periodically at least partially closed and / or opened by the pulsator disc. The pulsator disc can be designed as a disc. In particular, the pulsator disc is designed as a circular disc and / or consists at least partially of plastic and / or metal. Furthermore, the pulsator disc can have, for example, a diameter of 10 mm to 60 mm and / or a thickness of 1 mm to 10 mm. The pulsator disc can be mounted in a point-like manner. The pulsator chamber can have a bearing by means of which the pulsator disc is mounted in a point-like manner. The pulsator disc can rest on a tip of the bearing, in particular in the region of its midpoint or center. The pulsator disc can wobble on the tip of the bearing and the pulsator disc can be tilted in particular in any direction.The movement of the pulsator disc is, in particular, exclusively driven by the flow energy of the fluid flowing into the pulsator chamber. The pulsator disc can be moved by the fluid around its center or in a circular motion around its center. The pulsator disc can be fixed by a spring. The spring can, in particular, contact an upper side of the pulsator disc and / or press the pulsator disc, in particular, onto the bearing. The spring can, for example, be designed as a helical spring.

[0010] The at least one outlet nozzle is connected to the pulsator chamber (in a liquid-conducting manner). The at least one outlet nozzle can extend from a liquid inlet of the at least one outlet nozzle to a liquid outlet of the at least one outlet nozzle. The liquid inlet can be formed below a bearing of the pulsator disc and / or below a bearing point of the pulsator disc. If the jet former has a plurality of outlet nozzles, the liquid inlets of the individual outlet nozzles can be connected, in particular in a circle, to the pulsator chamber and / or formed below the bearing and / or the bearing point of the pulsator disc. The pulsator disc can be moved by the liquid, in particular in such a way that it wobbles or rotates about its bearing point. The liquid inlet of the at least one outlet nozzle is periodically, cyclically oralternately at least partially closed and at least partially opened again. The liquid inlets of the outlet nozzles can be periodically, cyclically or alternately at least partially closed and at least partially opened again when the pulsator disc tumbles or moves, for example in a clockwise or counterclockwise direction. This can mean in particular that adjacent liquid inlets can be at least partially closed and at least partially opened again one after the other by the pulsator disc. When the pulsator disc tumbles or moves, the outlet nozzles can in particular (only) be alternately supplied with liquid in a rotational manner and / or only some of the outlet nozzles are at least partially open and / or at least partially closed.

[0011] At least one contact area between the pulsator disc and the pulsator chamber is at least partially dampened or provided with a damping material. This can mean, for example, that the at least one contact area consists of the damping material or is designed or coated with the damping material. The contact area comprises at least one area of the pulsator disc and the pulsator chamber in which the pulsator disc and the pulsator chamber (can) come into contact when the pulsator disc wobbles. The pulsator disc can have at least one first contact area and / or the pulsator chamber can have at least one second contact area. The at least one first contact area can extend at least partially along a circumferential surface of the pulsator disc. The at least one second contact area can extend at least partially along an inner surface of the pulsator chamber.

[0012] The damping material is, in particular, an elastic or soft material that converts mechanical energy into deformation when the pulsator disc comes into contact with the pulsator chamber, thus minimizing structure-borne noise. The damping material can have a (first) hardness of, for example, a maximum of 35 Shore D. The damping material can be, for example, an elastomer, a thermoplastic elastomer, a thermoplastic polyurethane, silicone and / or rubber. The damping effect of the damping material reduces or completely suppresses material stress and noise generation on the pulsator disc and its contact partners during wobbling. The reduced material stress extends the service life of the components. In addition, the damping material can improve the smooth running of the pulsator disc.

[0013] The pulsator disc may consist at least partially of the damping material. In particular, the pulsator disc may consist entirely of the damping material.

[0014] The pulsator disc can have an inner disc made of a hard material. The hard material can be a dimensionally stable material, such as plastic and / or metal. The hard material can have a (second) hardness of, for example, at least 40 Shore D. The hard material can, for example, at least partially be a polyoxymethylene (POM), polybutylene terephthalate (PBT) and / or polysulfone (PSU). The inner disc can, in particular, be designed as a circular disc. The inner disc made of the hard material can, in particular, support a stable wobbling movement of the pulsator disc. In addition, the inner disc can impart stability to the pulsator disc.

[0015] The pulsator disc can have a damping ring that consists at least partially of the damping material. In particular, the damping ring can surround the inner disc of the pulsator disc and / or form the peripheral surface of the pulsator disc. A pulsator disc formed from the inner disc and the damping ring can be manufactured using a multi-component injection molding process or a two-component injection molding process. The damping ring can be formed by coating the inner disc.

[0016] The pulsator disc can have at least one bearing point that is at least partially dampened or provided with the damping material. The at least one bearing point can be an area of the pulsator disc in which the pulsator disc contacts the bearing and / or the spring contacts the pulsator disc. The at least one bearing point can be arranged in the center of the pulsator disc. The at least one bearing point can be arranged on a top and / or bottom side of the pulsator disc. By dampening the at least one bearing point with the damping material, the smooth running of the pulsator disc can be improved.

[0017] The pulsator chamber can be at least partially dampened or provided with the damping material. In particular, the second contact area of the pulsator chamber can be dampened or provided with the damping material. The pulsator chamber can be at least partially coated with the damping material, in particular in the second contact area.

[0018] The pulsator chamber can have at least one running surface for the pulsator disc, which is at least partially dampened or provided with the damping material. The running surface can be an area of the pulsator chamber on which the peripheral surface of the pulsator disc rolls during wobbling. The running surface can be the second contact area of the pulsator chamber.

[0019] The at least one running surface can be annular.

[0020] The invention and the technical environment are explained in more detail below with reference to the figures. It should be noted that the figures show a particularly preferred embodiment of the invention, but are not limited thereto. Identical components in the figures are provided with the same reference numerals. They show, by way of example and schematically: Fig. 1: a sanitary shower with a first variant of a pulsator disc in a longitudinal section; Fig. 2: the first variant of the pulsator disc in a perspective view; and Fig. 3: a second variant of the pulsator disc in a perspective view.

[0021] Fig. 1 shows a sanitary shower head 1 in a longitudinal section. The sanitary shower head 1 comprises a housing 2 in which a supply channel 4 for a liquid is formed. The supply channel 4 opens into a pulsator chamber 3 of the housing 2. A first variant of a pulsator disc 11 is arranged in the pulsator chamber 3. The pulsator disc 11 has a (lower) first bearing point 17 and an (upper) second bearing point 18 at its center 7. The pulsator disc 11 is mounted at a point on a bearing 8 and is pressed against the bearing 8 by a spring 9.

[0022] Arranged in the housing 2 is a jet former 5, which has a plurality of outlet nozzles 6, through which a liquid can be released into an environment 10 of the sanitary shower 1. Some of the outlet nozzles 6 extend from the pulsator chamber 3 to an underside 20 of the sanitary shower 1. These outlet nozzles 6 each have a liquid inlet 21. The liquid inlets 21 are formed in a ring shape around a center 22 of the jet former 5 or around the center 7 of the pulsator disc 11 and below the pulsator disc 11. During operation of the sanitary fitting 1, the liquid flows via the supply channel 4, for example (essentially) tangentially, into the pulsator chamber 3 and forms a liquid vortex in the pulsator chamber 3.As a result, the pulsator disc 11 is tilted circumferentially due to its point-like support on the bearing 8, so that the adjacent liquid inlets 21 are successively at least partially closed by the pulsator disc 11. This at least partially prevents the flow of liquid from the pulsator chamber 3 into the respective outlet nozzles 6.

[0023] The pulsator disc 11 has an annular first contact area 12 on its circumferential surface 23 (cf. Fig. 2) and the pulsator chamber 3 have an annular second contact area 13 on their inner surface 24. The second contact area 13 forms a running surface 19 for the pulsator disc 11. When the pulsator disc 11 moves or wobbles on the bearing 8, the pulsator disc 11 contacts the second contact area 13 of the inner surface 24 of the pulsator chamber 3 with its first contact area 12.

[0024] Fig. Figure 2 shows the first variant of the pulsator disc 11 in a perspective view. The pulsator disc 11 has an inner disc 15 made of a hard material, which is surrounded by a damping ring 16 made of a damping material 14. The first variant of the pulsator disc 11 can be manufactured using a two-component injection molding process. The first contact area 12 of the pulsator disc 11 is formed on the damping ring 16. This dampens the noise generated by the pulsator disc 11 when the first contact area of the pulsator disc 11 contacts the second contact area 13 of the pulsator chamber 3 during the movement of the pulsator disc 11.

[0025] Fig. 3 shows a second variant of the pulsator disc 11 in a perspective view. In contrast to the Fig. 1 and Fig.2, the second variant of the pulsator disc 11 consists entirely of the damping material 14, including the first contact area 12 on the circumferential surface 23 of the pulsator disc 11.

[0026] The present invention makes it possible to reduce the noise generated when the pulsator disc wobbles. List of reference symbols 1 sanitary shower 2 housings 3 Pulsator chamber 4 feed channel 5 beam formers 6 Outlet nozzle 7 Center 8 warehouses 9 spring 10 Surroundings 11 Pulsator disc 12 first contact area 13 second contact area 14 Damping material 15 inner pane 16 Damping ring 17 first storage location 18 second storage location 19 Tread 20 Bottom 21 Liquid inlet 22 Middle 23 Circumferential surface 24 inner surface

Claims

[1] Sanitary shower (1), comprising at least: - a housing (2) with at least one supply channel (4) for a liquid opening into a pulsator chamber (3), - a jet former (5) with at least one outlet nozzle (6) for the liquid, and - a pulsator disc (11) which is arranged in the pulsator chamber (3) and is movable by the liquid in such a way that the at least one outlet nozzle (6) can be periodically at least partially closed and opened by the pulsator disc (11), wherein at least one contact area (12, 13) between the pulsator disc (11) and the pulsator chamber (3) is at least partially damped with a damping material (14). [2] Sanitary shower (1) according to claim 1, wherein the pulsator disc (11) consists at least partially of the damping material (14). [3] Sanitary shower (1) according to one of the preceding claims, wherein the pulsator disc (11) has an inner disc (15) made of a hard material. [4] Sanitary shower (1) according to one of the preceding claims, wherein the pulsator disc (11) has a damping ring (16) which consists at least partially of the damping material (14). [5] Sanitary shower (1) according to one of the preceding claims, wherein the pulsator disc (11) has at least one bearing point (17, 18) which is at least partially damped with the damping material (14). [6] Sanitary shower (1) according to one of the preceding claims, wherein the pulsator chamber (3) is at least partially damped with the damping material (14). [7] Sanitary shower (1) according to one of the preceding claims, wherein the pulsator chamber (3) has at least one running surface (19) for the pulsator disc (11), which is at least partially damped with the damping material (14). [8] Sanitary shower (1) according to claim 7, wherein the at least one running surface (19) is annular.

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