Plug for a cyclical shower

Abstract

The invention relates to a drain (100) for a water reuse system comprising a water recirculation circuit, the drain comprising: • a drain body (10) including a water outlet connected to a wastewater pipe, • a hollow body (20a) positioned within the drain body, said hollow body defining an internal volume and including a water inlet (21a) and a water outlet (22a), • a conduit (30a) connected to the water recirculation circuit, said conduit extending from the internal volume of the hollow body to an exterior part of the drain, • a slide (40a) including an overflow orifice and configured to be movable in translation about a vertical axis, said slide moving between: o a lower position, in which the water contained in the internal volume is discharged through the water outlet of the hollow body, o a higher position, in which the access height to the overflow orifice is augmented.

Description

[0001] The field of the invention is that of cyclic showers.

[0002] More specifically, the invention relates to a drain and a cyclic shower comprising such a drain. STATE OF THE ART

[0003] Showers typically include a shower head that dispenses water, a drain to remove used water, and a control mechanism to adjust the water flow and temperature.

[0004] In traditional showers, once the water has been used, it flows into a shower tray, then down the drain, and finally into a sewer system or septic tank. This process results in a substantial consumption of potable water for each shower, which can be particularly concerning in areas where water scarcity is worsening. Furthermore, the energy used to heat the water represents a significant portion of a household's energy consumption, which can be a concern in terms of both cost and environmental impact.

[0005] In response to these concerns, various types of cyclic showers have been developed. These cyclic showers are designed to collect the water used in the shower, clean it, and then recirculate it in a completely independent water circuit for reuse using a pump. This process significantly reduces the amount of water and energy used for each shower and offers a new, recreational showering option without increasing water consumption. An example of a cyclic shower is described in French patent application FR 2209968.

[0006] Although water recirculation systems can effectively reduce water and energy consumption, their implementation and operation can be complex and require specific design.

[0007] For example, it's necessary to maintain a minimum water level in the shower tray during the suction phase to ensure the pump operates efficiently and the filtration system can effectively clean the water. In other words, it's crucial to limit the pump's intake of air in the recirculation circuit and provide sufficient water for optimal shower performance. Existing solutions either don't allow for a sufficient water level or require a special shower tray or a bulky shower drain.

[0008] Another drawback concerns existing drain fittings, which are complex to install and clean. Furthermore, maintaining these fittings requires at least dismantling the shower tray. This undermines the goal of limiting the environmental impact of such a shower, as it reduces the feasibility of widely installing cyclic showers. DESCRIPTION OF THE INVENTION

[0009] The invention aims to overcome the drawbacks of solutions proposed by the prior art, particularly those described above. To this end, the present invention proposes a drain for a water reuse system comprising a water recirculation circuit, characterized in that the drain comprises: a drain body comprising a water outlet intended to be connected to a wastewater pipe, a hollow body positioned in whole or in part within the drain body, said hollow body delimiting an internal volume and comprising a water inlet and a water outlet, a conduit intended to be connected to the water recirculation circuit, said conduit extending from the internal volume of the hollow body to an exterior of the drain, a slide comprising an overflow orifice and configured to be movable in translation along a longitudinal axis, corresponding to a vertical axis when the drain is in the operating position, said slide moving between two positions, a first position, called the lower position, and a second position, called the upper position.

[0010] The slide is arranged in the drain plug so that: When in the lower position, the water contained in the internal volume of the hollow body is evacuated through the water outlet of said hollow body; when in the upper position, the access height to the overflow orifice is increased.

[0011] Such a drain offers many advantages when installed in a cyclic shower.

[0012] The lower position of the slider is used when the cyclic shower is operated in standard mode. In this position, when clean water enters the shower tray, it flows to the drain and enters the hollow body through the water inlet. The water then flows to the drain body via the water outlet of the hollow body and is finally discharged through the drain body's water outlet into the wastewater drain.

[0013] The upper position of the slider is adopted when the shower is used in water recirculation mode. This upper position of the slider increases the water level in the shower tray. This upper position of the slider allows the water contained in the internal volume of the hollow body to be drawn through the pipe. The drain according to the invention thus ensures a water supply without air intake when the cyclic shower is in water recirculation mode. When the water enters the shower tray, it flows towards the drain and enters the hollow body via the water inlet. The water travels through the hollow volume and can be drawn, via the pipe, into a water recirculation circuit of the cyclic shower by a suction pump.

[0014] The drain also advantageously allows for setting a predefined maximum water level in the shower tray, beyond which the water is automatically drained into the drain body and then out of the drain. This water level is defined by the height of the overflow orifice in the slider. When the predefined maximum water level is reached in the shower tray, the water reaches the overflow orifice of the slider and is automatically drained into the drain body and then out of the drain. This prevents water from accumulating in the shower tray until it overflows. The drain according to the invention thus ensures water drainage in case of overflow, thanks to the overflow orifice.

[0015] The drain according to the invention is also advantageously made up of parts that cooperate with each other and are easily accessible without having to dismantle the shower tray. Maintenance and cleaning operations are thus simplified.

[0016] In particular embodiments, the drain according to the invention may further comprise one or more of the following characteristics, taken individually or in all technically possible combinations.

[0017] In a particular configuration, the hollow body is a cylindrical piece comprising an inner cylindrical wall, an outer cylindrical wall, and a bottom wall connecting said inner and outer cylindrical walls. Said inner and outer cylindrical walls and the bottom wall define the internal volume of the hollow body. Said inner cylindrical wall defines the water outlet. The slider is arranged in the water outlet of the hollow body. The slider is a hollow piece comprising a cylindrical wall. The slider is arranged in the drain such that: When in the lower position, the slide is arranged so as not to extend beyond the upper end of the internal cylindrical wall of the hollow body; when in the upper position, the slide is arranged to extend beyond the upper end of the internal cylindrical wall of the hollow body, the cylindrical wall of the slide forming an extension of the internal cylindrical wall of the hollow body.

[0018] Such an arrangement of the drain parts makes them easily accessible, simplifying maintenance and cleaning operations.

[0019] In specific embodiments of this configuration, the drain includes a cable connected to the slider, the cable being integrated into a sheath. The sheath thus allows the cable to be constrained in a desired direction. The cable is configured to drive the slider in translation. The cable is intended to be connected directly or indirectly to a control device. The control device is advantageously activated manually by the user, who thereby controls the movement of the slider between its upper and lower positions and vice versa.

[0020] In certain embodiments of this configuration, the drain comprises a bell-shaped element positioned astride the inner cylindrical wall of the hollow body. The bell-shaped element includes a cylindrical wall and an upper wall. The bell-shaped element is partially positioned within the hollow body so that one lower end of its cylindrical wall is opposite, but at a distance from, the bottom wall of the hollow body. This maintains a passage for water between the water inlet and outlet of the hollow body. The water flow within the hollow body is angled, creating a water seal that effectively prevents odors from rising into the shower.

[0021] In certain embodiments of this configuration, the bell incorporates the conduit. The conduit is thus easily accessible by removing the bell without dismantling the rest of the drain assembly, simplifying maintenance and cleaning.

[0022] In certain embodiments of this configuration, the drain includes a filter element at one end of the pipe. This first end of the pipe is located within the hollow body. The filter element can be positioned tangentially to the water flow in the drain. Thus, particularly when the shower is operating in standard shower mode, with the slider in the down position, the tangential flow of water over the filter element advantageously allows for self-cleaning of the filter element.

[0023] According to particular embodiments of a variant of this configuration, the hollow body comprises, in the extension of the internal cylindrical wall, an extension wall extending from the bottom wall in a direction opposite to said internal cylindrical wall.

[0024] According to particular embodiments of the variant of this configuration, the drain comprises a filtration element located in the internal volume of the hollow body, extending between the upper end of the internal cylindrical wall of the hollow body and the external cylindrical wall of the hollow body, said filtration element being arranged parallel to the bottom wall of the hollow body.

[0025] In a specific configuration, the slide is partially arranged within the internal volume of the hollow body and comprises a lower end and an upper end. The slide has a valve at its lower end. The slide is arranged within the drain such that: When in the high position, the valve blocks the water outlet from the hollow body; when in the low position, the valve does not block the water outlet from the hollow body.

[0026] In specific embodiments of this configuration, the slider includes a longitudinal internal channel, opening at both ends, forming the slider's overflow orifice. This longitudinal internal channel defines a maximum water level beyond which the water is discharged into the drain body and then out of the drain.

[0027] According to specific embodiments of this configuration, the drain plug includes a control ring configured such that: when it is driven in rotation, around the longitudinal axis A, in one direction, the slide is driven in translation along the longitudinal axis A towards its lower position; when it is driven in rotation, around the longitudinal axis A, in the opposite direction, the slide is driven in translation along the longitudinal axis A towards its upper position.

[0028] In certain embodiments of this configuration, the drain includes a filter element at one end of the pipe. This first end of the pipe is located within the hollow body. The filter element can be positioned tangentially to the water flow in the drain. Thus, particularly when the shower is operating in standard shower mode, with the slider in the down position, the tangential flow of water over the filter element advantageously allows for self-cleaning of the filter element.

[0029] The invention also relates to a cyclic shower comprising: a circuit, called clean water, configured to be connected to the sanitary water distribution network, comprising a first water outlet, a circuit, called water recirculation, comprising a second water outlet, the water recirculation circuit being configured to receive and circulate the water from the first and second outlets, and a drain conforming to at least one of its embodiments. The cyclic shower is configured so that: When used in classic mode, the drain slider is arranged in the lower position; when used in cyclic mode, the drain slider is arranged in the upper position.

[0030] Thus, when the cyclic shower is used in the classic mode, the water enters the shower tray, flows to the drain, and enters the hollow body through the water inlet. The water then flows to the drain body via the water outlet of the hollow body and is then discharged from the drain body through the water outlet into a wastewater pipe.

[0031] When the slider is in the raised position, the water level in the shower tray can rise. The shower's cyclic mode can then be activated. The water contained within the hollow body can then be drawn by the water suction pump through the pipe. The drain according to the invention thus ensures a water supply to the recirculation circuit without drawing in air when the cyclic shower is in water recirculation mode.

[0032] In such a cyclic shower system, the drain allows for the advantageous setting of a predefined maximum water level in the shower tray. Beyond this level, the water is automatically drained into the drain body and then out of the drain. This water level is determined by the height of the overflow orifice on the slider. When the predefined maximum water level is reached in the shower tray, the water reaches the overflow orifice and is automatically drained into the drain body and then out of the drain. This prevents water from accumulating in the shower tray and overflowing. Thanks to the drain, the cyclic shower system thus ensures water drainage in case of overflow, via the overflow orifice on the slider.In specific embodiments, the cyclic shower includes a water suction pump configured to reinject, into the water recirculation circuit, the water from the two water circuits collected in a shower tray. The drain includes a water level sensor configured to detect a minimum water level in the drain. Such a level sensor advantageously improves the automation of the cyclic shower by automatically activating the water suction pump only when there is sufficient water in the drain, thus switching the cyclic shower from conventional to cyclic mode. BRIEF DESCRIPTION OF THE FIGURES

[0033] Other advantages, purposes and particular features of the present invention will become apparent from the following non-limiting description of at least one particular embodiment of the devices and methods of the present invention, with reference to the accompanying drawings, in which: [ Fig. 1 ] is a perspective view of an example of an embodiment of a first drain configuration according to the invention; [ Fig. 2 ] is a wireframe representation of the drain plug of the Figure 1 ; Fig. 3 ] is an exploded view of the drain of the Figure 1 ; Fig. 4 ] illustrates two views, from different perspectives, of a part, called a hollow body, of the drain plug Figure 1 ; Fig. 5 ] is a perspective view of a part, called a slider, of the drain plug of the Figure 1 ; Fig. 6 ] illustrates a perspective view of a part, called a bell, of the drain of the Figure 1 ; Fig. 7 ] illustrates another perspective view of the bell of the Figure 6 ; Fig. 8 ] is a cross-sectional view of the drain of the Figure 1 illustrating the positioning of the slider in the lowered position; [ Fig. 9 ] is a cross-sectional view of the drain of the Figure 1illustrating the positioning of the slider in the raised position; [ Fig. 10 ] is a perspective view of an example of an embodiment of a second drain configuration according to the invention; [ Fig. 11 ] is a cross-sectional view of an example of a second drain configuration, illustrating the positioning of the slider in the lowered position; [ Fig. 12 ] is a cross-sectional view of the drain of the Figure 11 illustrating the positioning of the slider in the raised position; [ Fig. 13 ] is a perspective view of a part, called the control ring, of the drain shown in Figure 10 , with the slide in the raised position; Fig. 14 ] is a perspective view of the drain control ring shown in Figure 10 , with the slider in the lowered position; Fig. 15 ] is a perspective view of an alternative embodiment of the second drain configuration according to the invention; [ Fig. 16] is a perspective view of an example of an embodiment of a third drain configuration according to the invention; [ Fig. 17 ] illustrates two views, from different perspectives, of the hollow body associated with a slide of the drain plug Figure 16 ; Fig. 18 ] is a cross-sectional view of the drain of the Figure 16 illustrating the positioning of the slider in the lowered position; [ Fig. 19 ] is a cross-sectional view of the drain of the Figure 16 illustrating the positioning of the slider in the raised position; [ Fig. 20 ] is a perspective view of an alternative embodiment of the third drain configuration according to the invention; [ Fig. 21 ] is a schematic view of a cyclic shower comprising a drain according to the invention. DETAILED DESCRIPTION OF THE INVENTION

[0034] The present description is given by way of non-limiting attribution, each feature of an embodiment being able to be advantageously combined with any other feature of any other embodiment.

[0035] It should be noted from the outset that the figures are not to scale.

[0036] The present invention relates to a drain 100. It is intended to be installed preferably in a cyclic shower, such as that described, for example, in patent application FR 2209968. A cyclic shower has both a traditional operating mode, in which the water used comes from the regular water supply, and a recirculation, or cyclic, mode, in which the water used comes from the water used after the shower has already been used. More specifically, the present invention aims, after at least one initial use of the shower, to supply water to a water recirculation circuit when the user uses the recirculation mode of the cyclic shower.

[0037] In the embodiment shown, the use of the drain according to the invention with a cyclic shower is demonstrated. However, any element is compatible with a cyclic sink, or any other water reuse device configured to reuse water from a shower tray or drain.

[0038] It should be noted that in this text the term "vertical" is defined in terms of a direction parallel to the direction of gravity. Furthermore, the relative terms "upper," "lower," "top," and "bottom" are defined along a vertical line and are relative to the position of the drain 100 when it is in its operating position. An element described as "upper" is thus located above an element described as "lower."

[0039] The term "solid" refers to parts that are connected to each other in a conventional manner, meaning that these parts are mutually linked, although relative movement between them may still be possible. In this description, by convention, "solid" will be defined as parts that are connected to each other by a joint that allows relative movement of one part with respect to the other. Parts that are fixedly connected, meaning that relative movement between them is impossible, will be defined as "fixedly solid."

[0040] Three configurations of drain 100 will be described. The first drain configuration is illustrated on the figures 1 to 9 The second drain configuration is illustrated on the Figures 10 to 15 The third drain configuration is illustrated on the figures 16 to 19 .

[0041] Regardless of the configuration of the 100 drain, the drain includes a 10 drain body.

[0042] The body of the drain plug 10 preferentially comprises: a bottom wall 11, a lateral peripheral wall 12.

[0043] The body of the drain 10 is shown in transparency on the figure 2 .

[0044] The lateral peripheral wall 12 is preferably cylindrical, for example with a circular cross-section, as illustrated in the figures. The lateral peripheral wall 12 extends overall along a longitudinal axis A. When the drain 100 is in the operating position, the longitudinal axis A is vertical. The lateral peripheral wall 12 has a lower end 13 located on the side of the bottom wall 11 and an upper end 14 opposite the lower end 13. The lower end 13 and the upper end 14 of the lateral peripheral wall 12 also form the lower and upper ends of the drain body 10.

[0045] The drain body 10 has an opening at its upper end. Preferably, the drain body 10 is open along the entire cross-section of its lateral peripheral wall 12.

[0046] The drain body 10 includes a water outlet 15.

[0047] In an example of implementation, as illustrated on the figures 1, 2 for the first drain configuration, the Figure 10 for the second configuration, and the figure 16 For the third configuration, the water outlet 15 is in the form of a drain tube extending from a through orifice made in the peripheral lateral wall 12, towards an exterior of the drain body 10.

[0048] The water outlet 15 is intended to be connected to a wastewater pipe (not shown in the figures) in order to direct the water towards said wastewater pipe, particularly when the drain 100 is used in a traditional cyclic shower operation or in case of overflow. The water outlet 15 is preferably located at the lower part of the drain body 10.

[0049] In a non-limiting embodiment of the drain body 10, such as that illustrated in the figures, the water outlet 15 may extend perpendicularly to the lateral peripheral wall 12 of the drain body 10. The drain body 10 has a generally elbow-shaped form. In another embodiment of the drain body 10, the water outlet 15 may extend perpendicularly to the bottom wall 11 of the drain body 10.

[0050] The drain body 10 preferably has, at the upper end 14 of its lateral peripheral wall 12, a projecting transverse rim 16. The transverse rim 16 projects outwards from the drain body 10. The transverse rim 16 extends preferably perpendicularly to the lateral peripheral wall 12.

[0051] It should be noted that the drain body 10 used for the drain 100 according to the invention can be a drain body from a traditional shower drain. Thus, the drain 100 according to the invention is advantageously suited for insertion into existing shower trays, replacing conventional drains. It allows a standard shower to be converted into a cyclic shower without major construction work.

[0052] Regardless of the configuration of the drain 100, the drain 100 may preferably include an intermediate piece 50. The intermediate piece 50 is partially inserted into the drain body 10 through the opening in the drain body 10. In this field, the intermediate piece 50 is generally referred to as a riser. The intermediate piece 50 comprises a cylindrical wall 51 that extends partly at the level of an upper portion of the drain body 10 and partly above the upper end of the drain body, as illustrated in the Figures 1 , 10 And 16The cylindrical wall 51, for example, has a circular cross-section, as illustrated in the figures. The cylindrical wall 51 extends along the longitudinal axis A. The intermediate piece 50 has, at an upper end 52 of the cylindrical wall 51, a projecting transverse rim 53. The transverse rim 53 of the intermediate piece 50 is opposite the transverse rim 16 of the drain body 10.

[0053] When the drain 100 is in its operating position, for example in a shower tray, the transverse rim 16 of the drain body 10 and the transverse rim 53 of the intermediate piece 50 sandwich the tray's thickness (not shown in the figures). The intermediate piece 50 advantageously allows the drain body 10 to be reversibly fixed to the tray. The intermediate piece 50 is securely attached to the drain body 10, for example by screwing. In one embodiment of the screw assembly, a thread is formed, for example, on an external face of the cylindrical wall of the intermediate piece, and a tapped hole is formed on an internal face of the lateral peripheral wall of the drain body, the thread and tapped hole cooperating.Conversely, the threading is, for example, performed on the inner face of the lateral peripheral wall of the drain body, and the tapping is performed on the outer face of the cylindrical wall of the intermediate piece. Screw assembly advantageously allows the drain 100 to be adapted to different shower tray thicknesses. In another embodiment of screw assembly, the transverse rim 53 of the intermediate piece 50 and the transverse rim 16 of the drain body 10 are joined together with fixing screws.

[0054] The drain 100 may include a peripheral sealing gasket (not shown in the figures) between an outer surface of the receiver and the transverse rim 53 of the intermediate piece 50 and / or a peripheral sealing gasket (not shown in the figures) between an inner surface of the receiver and the transverse rim 16 of the drain body 10.

[0055] Regardless of the configuration of the drain 100, the drain 100 includes a hollow body 20a, 20b, 20c. The hollow body 20a, 20b, 20c is positioned in whole or in part within the drain body 10.

[0056] More precisely, the hollow body 20a, 20b, 20c is inserted into the intermediate piece 50 through the opening of the drain body 10. The hollow body 20a, 20b, 20c is preferably held within the drain body 10 by means of the intermediate piece 50. The hollow body 20a, 20b, 20c defines an internal volume 25a, 25b, 25c into which the water from the shower tray flows. The hollow body 20a, 20b, 20c also includes a water inlet 21a, 21b, 21c and a water outlet 22a, 22b, 22c. The water inlet 21a, 21b, 21c of the hollow body 20a, 20b, 20c is understood as an access, to the internal volume 25a, 25b, 25c of the hollow body, for water coming from the receiver and flowing into the drain 100. The water outlet 22a, 22b, 22c of the hollow body 20a, 20b, 20c allows in particular the evacuation of water in the internal volume 25a, 25b, 25c from said internal volume, towards the drain body 10.

[0057] Regardless of the configuration of the drain 100, the drain also includes a conduit 30a, 30b, 30c. The conduit 30a, 30b, 30c is located partly within the hollow body 20a, 20b, 20c. More precisely, said conduit extends from the internal volume 25a, 25b, 25c of the hollow body 20a, 20b, 20c to an exterior of the hollow body 2a, 20b and the drain 100.

[0058] The conduit 30a, 30b, 30c is intended to be connected to the water recirculation circuit. The water recirculation circuit includes a pump, called a water suction pump, configured to draw the water contained in the internal volume 25a, 25b, 25c of the hollow body 20a, 20b, 20c, from said drain conduit, and supply the water recirculation circuit.

[0059] The conduit 30a, 30b, 30c comprises a first end 31a, 31b, 31c positioned within the internal volume 25a, 25b, 25c of the hollow body 20a, 20b, 20c. The conduit 30a, 30b, 30c comprises a second end 32a, 32b, 32c positioned outside the hollow body. The conduit 30a, 30b, 30c is configured to be connected to the water recirculation circuit via its second end 32a, 32b, 32c.

[0060] The second end 32a, 32b, 32c of the conduit 30a, 30b, 30c is preferably located above the water inlet of the hollow body. Preferably, the second end of the conduit 30a, 30b, 30c is arranged above the transverse rim 53 of the intermediate piece 50.

[0061] Regardless of the configuration of the drain 100, the drain also includes a slider 40a, 40b, 40c. The slider 40a, 40b, 40c has an overflow orifice 41a, 41b, 41c. The slider 40a, 40b, 40c is configured to move linearly along the longitudinal axis A. When the drain 100 is in the operating position, the slider 40a, 40b, 40c is therefore movable linearly along the vertical axis. The slider 40a, 40b, 40c is configured to move between two positions: a first position, called the low position, and a second position, called the high position.

[0062] The slider 40a, 40b, 40c is arranged in the drain 100 so that, when in the lowered position, the water contained in the internal volume 25a, 25b, 25c of the hollow body 20a, 20b, 20c is discharged through the water outlet of the hollow body. This lowered position of the slider 40a, 40b, 40c is preferably used when the shower is operated in conventional mode.

[0063] The slider 40a, 40b, 40c is arranged in the drain 100 so that, when in the raised position, the access height to the overflow outlet 41a, 41b, 41c is increased. This raised position of the slider 40a, 40b, 40c is preferred when the shower is used in recirculation mode. This raised position of the slider 40a, 40b, 40c allows the water level in the shower tray to be increased. This high position of the slide 40a, 40b, 40c allows the water contained in the drain 100 to be drawn through the conduit 30a, 30b, 30c. This high position of the slide 40a, 40b, 40c allows the water contained in the internal volume 25a, 25b of the hollow body 20a,20b to be drawn through the conduit 30a, 30b, 30c.

[0064] The description below will detail, for each of the three configurations, the shapes and arrangements of the parts in relation to each other. First configuration of the 100 drain plug (figures 1 to 9)

[0065] In this first configuration, the hollow body 20a of the drain 100 is in the form of a cylindrical part comprising an internal cylindrical wall 24a, an external cylindrical wall 23a, and a bottom wall 26a connecting the internal cylindrical wall 24a and the external cylindrical wall 23a. These internal and external cylindrical walls 23a and 24a each extend along the longitudinal axis A. The bottom wall 26a is oriented at the bottom wall 11 of the drain body 10.

[0066] In a preferred embodiment, the hollow body 20a is in the form of an annular cylindrical piece. The inner cylindrical wall 24a and the outer cylindrical wall 23a are thus circular in cross-section, as illustrated in the two views of the figure 4 .

[0067] The internal and external cylindrical walls 23a, 24a and the bottom wall 26a define the internal volume 25a of the hollow body 20a. The internal cylindrical wall 24a, in turn, defines the water outlet 22a. It is understood that the water outlet 22a extends along the entire height of the internal cylindrical wall 24a.

[0068] In the non-limiting example of the figure 4 , the internal cylindrical wall 24a and the external cylindrical wall 23a are preferably of the same height.

[0069] The hollow body 20a is arranged within the drain body 10 so that, when the drain 100 is installed in the shower tray, an upper end 27a of its internal cylindrical wall 24a is located substantially below the outer surface of the tray. Preferably, when the drain 100 is installed in the shower tray, the upper end 27a of the internal cylindrical wall 24a of the hollow body 20a is located substantially below the transverse edge 53 of the intermediate piece 50, for example, between 1 and 3 millimeters. The positioning of the upper end 27a of the internal cylindrical wall 24a of the hollow body 20a is thus defined so that, when the slider 40a is in its lower position, water cannot be stored in the shower tray and the internal cylindrical wall 24a of the hollow body 20a does not form a barrier to the flow of water into the drain body 10.

[0070] At the upper end 14 of the drain body 10, the internal cylindrical wall 24a and the external cylindrical wall 23a of the hollow body 20a delimit the water inlet 21a, for the passage of water into the internal volume 25a of the hollow body 20a.

[0071] The hollow body 20a is arranged in the drain body 10 so that its bottom wall 26a is screwed to the bottom wall 11 of the drain body 10, at a distance from it.

[0072] In one embodiment, the hollow body 20a and the intermediate piece 50 have complementary cooperating elements to form a retaining stop for the hollow body 20a.

[0073] The hollow body 20a thus rests on the intermediate piece 50 via the complementary organs and is held in position in the drain body 10.

[0074] In a form of realization, illustrated on the figure 4The hollow body 20a has, at the level of its external cylindrical wall 23a, at least one, preferably several, groove(s) 28a extending along the longitudinal axis A, each groove 28a being intended to cooperate with a rib (not shown in the figures) made in the cylindrical wall 51 of the intermediate piece 50. When the drain 100 is in the position of use, the grooves 28a are arranged vertically.

[0075] The groove 28a and ribs are arranged and dimensioned so as to guarantee a predefined height between the bottom wall 26a of the hollow body 20a and the bottom wall 11 of the drain body 10.

[0076] In a preferred example of implementation, illustrated on the figure 4 The hollow body 20a has four grooves 28a regularly distributed on the external cylindrical wall 23a. The intermediate piece 50, for its part, has four ribs regularly distributed on its cylindrical wall 51.

[0077] The features of the intermediate piece 50 can also be used to improve the grip of the intermediate piece 50 when screwing it into the drain body 10.

[0078] In another embodiment (not shown), the hollow body 20a has, at one upper end of its external cylindrical wall 23a, a transverse rim projecting outwards from said external cylindrical wall. The transverse rim is then configured to rest on the transverse rim 53 of the intermediate part 50.

[0079] In this first drain configuration, the hollow body 20a forms a reservoir and thus advantageously provides an odor-control function for the drain. Regardless of the shower's operating mode, whether conventional or recirculating, the internal volume 25a of the hollow body 20a is always partially or completely filled with water, which effectively prevents odors from rising through the drain.

[0080] In this first configuration, the drain 100 preferentially includes a piece, called bell 80a, positioned astride the internal cylindrical wall 24a of the hollow body 20a.

[0081] The bell 80a has a cross-section in the general shape of an inverted U. The bell 80a comprises a cylindrical wall 81a and an upper wall 82a.

[0082] The bell 80a is preferably sized and arranged so as not to touch any of the walls of the hollow body 20a.

[0083] The bell 80a is dimensioned and arranged partly in the hollow body 20a so that its cylindrical wall 81a is positioned between the internal cylindrical wall 24a and the external cylindrical wall 23a of the hollow body 20a, at a distance from them.

[0084] The bell 80a is dimensioned and arranged partly in the hollow body 20a so that a lower end 83a of its cylindrical wall 81a is opposite the bottom wall 26a of the hollow body 20a, at a distance from it.

[0085] The bell 80a is dimensioned and arranged partly in the hollow body 20a so that its upper wall 82a is opposite the upper end 27a of the internal cylindrical wall 24a of the hollow body 20a, at a distance from it.

[0086] Thus, a passage for water is maintained between the water inlet 21a and the water outlet 22a of the hollow body 20a. The passage of water in the internal volume of the hollow body 20a is a baffled passage, which constitutes a water seal advantageously blocking the rising of odors.

[0087] The bell 80a preferably comprises one or more configured retaining element(s) (not shown in the figures) to bear against the upper end 27a of the internal cylindrical wall 24a of the hollow body 20a. Each retaining element is arranged to guarantee a predefined height between the lower end 83a of the cylindrical wall 81a of the bell 80a and the bottom wall 26a of the hollow body 20a.

[0088] The bell 80a thus rests on the upper end 27a of the internal cylindrical wall 24a of the hollow body 20a via the retaining element(s).

[0089] In one embodiment of this first configuration, the bell 80a advantageously includes the conduit 30a, as illustrated on the figures 6 and 7 .

[0090] The conduit 30a can, for example, be made partly from a portion of the cylindrical wall of the bell 80a. The conduit 30a extends preferentially over the entire height of the cylindrical wall 81a of the bell 80a and extends out of the bell 80a, by means of an evacuation tube located near the upper wall 82a of the bell 80a.

[0091] The conduit 30a thus extends from the internal volume 25a of the hollow body 20a towards an exterior of the drain body 10, the hollow body 20a, and the drain.

[0092] As illustrated on the figure 1 , the evacuation tube of conduit 30a is located above the transverse edge of the intermediate piece.

[0093] As illustrated on the figures 6 and 7 , the first end 31 a of the conduit 30a is located at the lower end 83a of the cylindrical wall 81a of the bell 80a.

[0094] Preferably, the first end 31a of the conduit 30a is located above the bottom wall 26a of the hollow body 20a at a height of a few centimeters, preferably between one and three centimeters, in order to limit air intake by the water suction pump in the water recirculation circuit. The position of the conduit 30a within the internal volume 25a of the hollow body 20a thus optimizes water circulation in the recirculation circuit while limiting air intake.

[0095] Advantageously, the 30a conduit is easily accessible by an operator by removing the 80a bell without dismantling the rest of the drain assembly. This simplifies maintenance and cleaning operations.

[0096] It is also conceivable, in another form of embodiment of this first configuration of drain 100, that the conduit 30a is independent of the bell 80a, without departing from the framework of the invention.

[0097] The 100 drain fitting may include a filtration element (not shown on the figures 1 to 9related to the first configuration of the drain 100. The filter element is located at the point where the conduit 30a is located. The filter element is configured to allow water to pass through while preventing any debris present in the water (e.g., hair, pieces of solid soap, grains of sand, pieces of soil, pebbles, etc.) from entering the water recirculation circuit by capturing said debris. In a preferred embodiment, the filter element can be positioned at the first end 31a of the conduit 30a. Preferably, the filter element is a filter, a grid, a strainer, a sieve, or a membrane. The preferred location of the filter element at the first end 31a of the conduit 30a thus facilitates cleaning of the filter element by an operator. It is also possible to position the filter element at the second end 32a of the conduit 30a.

[0098] The filter element can also be removable to facilitate cleaning or replacement, in case of wear.

[0099] When the filter element is positioned at the first end 31a of the conduit 30a, it is preferably arranged tangentially to the water flow. Thus, when the shower is operating in standard shower mode (explained later), with the slider 40a in the lowered position, the tangential flow of water over the filter element advantageously allows for self-cleaning. This improves the lifespan of the drain.

[0100] The filter element, whether positioned at either end of the duct 30a, is thus easily accessible by an operator by removing the bell 80a without dismantling the rest of the drain assembly. This simplifies maintenance and cleaning of the filter element.

[0101] In this first drain configuration, the slider 40a is arranged in the water outlet of the hollow body 20a.

[0102] In one embodiment, the slide 40a is in the form of a hollow part whose shape is complementary to the cross-section of the internal cylindrical wall 24a of the hollow body 20a. The slide 40a has a cylindrical wall 42a. This cylindrical wall has a cross-section substantially equal to the internal cross-section of the internal cylindrical wall 24a of the hollow body 20a, with a clearance to allow it to slide in the water outlet 22a.

[0103] Thus, when the internal cylindrical wall 24a of the hollow body 20a has a circular cross-section, the slide 40a has the shape of a cylindrical wall with a diameter substantially equal to the internal diameter of the internal cylindrical wall 24a of the hollow body 20a, within a clearance.

[0104] A sealing gasket (not shown) can, for example, be positioned on the outer periphery of the cylindrical wall 42a of the slide 40a to fill the gap between said periphery of the cylindrical wall 42a of the slide 40a and the inner cylindrical wall 24a of the hollow body 20a, thus ensuring a seal between the slide 40a and the inner cylindrical wall 24a of the hollow body 20a. In this way, no water can pass between the slide 40a and the inner cylindrical wall 24a of the hollow body 20a. When water passes through the water outlet 22a, it necessarily passes through the slide 40a.

[0105] The slide 40a comprises a lower end 43a and an upper end 44a. The lower end 43a and the upper end 44a of the slide 40a correspond to a lower end and an upper end of the cylindrical wall 42a of the slide 40a. The slide 40a is open at both its ends 43a and 44a.

[0106] The overflow orifice 41a of the slide 40a is delimited by the cylindrical wall 42a of the slide, and extends between the lower end 43a and the upper end 44a of the slide 40a. The cross-section of the overflow orifice 41a thus corresponds approximately to the cross-section of the water outlet 22a of the hollow body 20a.

[0107] The 40a slide moves between a low position and a high position.

[0108] When the slide 40a is in the lowered position, the slide 40a is arranged so as not to protrude beyond the upper end 27a of the internal cylindrical wall 24a of the hollow body 20a. In other words, the upper end 44a of the slide 40a is at most at the same level as the upper end 27a of the internal cylindrical wall 24a of the hollow body 20a.

[0109] In the preferred example of implementation, and illustrated on the figure 8 The upper end 44a of the slide 40a is at the same level as the upper end 27a of the internal cylindrical wall 24a of the hollow body 20a. Preferably, as illustrated in the figure 5The slide 40a has at least one lug 45a, arranged at the upper end 44a of its cylindrical wall 42a, to act as a stop. This at least one lug 45a is configured to bear against the upper end 27a of the internal cylindrical wall 24a of the hollow body 20a. Thus, the slide 40a does not slide along the entire height of the water outlet 22a.

[0110] When the slide 40a is in the raised position, as illustrated in the figure 9 The slide 40a is arranged so that it protrudes from the upper end 27a of the inner cylindrical wall 24a of the hollow body 20a. In other words, the upper end 44a of the slide 40a is above the upper end 27a of the inner cylindrical wall 24a of the hollow body 20a. The lower end 43a of the slide 40a is, in turn, located below the upper end 27a of the inner cylindrical wall 24a of the hollow body 20a.

[0111] The cylindrical wall 42a of the slide 40a thus forms an extension of the internal cylindrical wall 24a of the hollow body 20a, thereby increasing the height of the internal cylindrical wall 24a of the hollow body 20a. The water must reach the upper end 44a of the slide 40a to be discharged through the overflow orifice 41a of the slide 40a, and therefore through the water outlet 22a of the hollow body 20a.

[0112] The slider 40a is dimensioned in height so that, when the slider 40a is in its raised position, its upper end 44a is substantially above the transverse edge 53 of the intermediate piece 50a, by a few centimeters, preferably between one and three centimeters. Generally, when the drain is in place in the shower, and the slider is in its raised position, the positioning of its upper end 44a must be less than the maximum height of the shower tray, measured from its upper surface, to prevent water from overflowing the tray.

[0113] The 40a slide is preferably dimensioned in height so that the stroke between the lower and upper positions of the slide is on the order of 2cm.

[0114] It is clear that the bell 80a is dimensioned so that the slide 40a can move between its upper and lower positions within the bell 80a. Preferably, when the slide 40a is in its upper position, said slide 40a is not in contact with the upper wall 82a of the bell 80a.

[0115] In one embodiment (not shown), the slide 40a and the bell 80a have complementary cooperating elements to form a retaining stop and maintain a distance between the slide 20a and the upper wall 82a of the bell 80a, when the slide is in the raised position, to allow the passage of water into the overflow orifice 41a.

[0116] In this first configuration of drain 100, the overflow orifice 41a of the slide 40a corresponding to the water outlet 22a of the hollow body 20a, the water outlet 22a of the hollow body 20a will also play the role of outlet for water in case of overflow.

[0117] The operation of the 100 drain in standard shower mode is illustrated on the figure 8 The water comes, for example, from a first shower head connected to a clean water circuit configured to be connected to the domestic water supply network. This water is called clean water. In standard shower mode, the slider 40a is in the lowered position. This is shown on the figure 8The diagram, with its regular dashed arrows, shows the flow of clean water through the drain 100 when the slide 40a is in the lowered position. When the clean water enters the shower tray, it flows towards the drain 100 and enters the hollow body 20a via the water inlet 21a. The clean water travels through the hollow volume 25a, first between the outer cylindrical wall 23a of the hollow body 20a and the cylindrical wall 81a of the bell 80a, then between the cylindrical wall 81a of the bell 80a and the inner cylindrical wall 24a of the hollow body 20a, until it reaches the water outlet 22a. Clean water flows to the drain body 10, via the water outlet 22a of the hollow body 20a and is then discharged out of the drain via the water outlet 15 of the drain body 10 for discharge into the wastewater pipe.

[0118] The operation of the 100 drain in recirculation mode is illustrated on the figure 9The water comes, for example, from a second shower head connected to a grey water circuit configured to receive and circulate the water from both shower heads. This water is called grey water. The grey water circuit is the water recirculation circuit. In recirculation mode, the slide 40a is in the raised position. This is shown on the figure 9 The diagram, with its regular dashed arrows, shows the flow of grey water through the drain 100 when the slide 40a is in the raised position. When the grey water enters the shower tray, it flows towards the drain 100 and enters the hollow body 20a via the water inlet 21a. The grey water travels through the hollow volume 25a, between the outer cylindrical wall 23a of the hollow body 20a and the cylindrical wall 81a of the bell 80a, and is drawn, via the conduit 30a, into the shower's water recirculation circuit.

[0119] When the cyclic mode is temporarily paused, for example, water is no longer drawn into the conduit 30a. The water then flows through the hollow volume 25a until it reaches the water outlet 22a, where it can be discharged into the drain body 10 and then out of the drain 100. This is shown on the figure 9The diagram, with its irregular dashed arrows, illustrates the water flow within the drain 100. The water must reach the upper end 44a of the slider 40a to flow out through its overflow orifice 41a, and thus through the water outlet 22a of the hollow body 20a. The water will therefore accumulate in the shower tray until it can be discharged, via the overflow orifice 41a of the slider 40a, and therefore through the water outlet 22a of the hollow body 20a, towards the drain body 10, and then discharged through the water outlet 15 of the drain body 10. The height of the upper end 44a of the slider 40a thus defines the maximum acceptable water level in the shower tray. It is then possible to resume recirculation mode, with the water accumulated in the shower tray, by drawing the water through the 30a pipe, and without drawing in air.

[0120] Furthermore, when the shower is operating in recirculation mode, but fresh water continues to flow (for example, because the water supply from the first shower head has not been shut off), the water can travel through the hollow section 25a until it reaches the overflow orifice 41a of the slide valve 40a, and therefore the water outlet 22a of the hollow section 20a, from where it can be discharged into the drain body 10 and then out of the drain 100. This prevents water from accumulating in the shower tray and overflowing. The drain thus provides an advantageous safety feature by ensuring water is evacuated in case of overflow, thanks to the overflow orifice 41a.

[0121] The slide 40a is mobile in translation between its upper position and its lower position, for example by means of a displacement device.

[0122] In one embodiment, the sliding block 40a movement device includes a cable 60a and a control element to actuate the movement of the cable 60a. The cable 60a is an integral part of the drain plug.

[0123] The 60a cable is connected to the 40a slide. The 60a cable can be integrated into a sheath. The sheath allows the 60a cable to be constrained in a desired direction.

[0124] The 60a cable is configured to drive the 40a slider in translation.

[0125] In one example embodiment, the 60a cable includes, for example, one end fixed to the 40a slide. The sheath, for its part, includes one end fixed to the bell, so that only the cable is fixed to the slide.

[0126] The 60a cable extends out of the drain, via an opening 84a made in the 80a bell. In a preferred embodiment, illustrated on the figures 6 , 8 and 9The cable 60a extends out of the drain 100, via an opening made in the upper wall 82a of the bell 80a. Preferably, a sealing gasket is placed around the entire circumference of the opening 84a, to ensure the opening is watertight and not impair the odor-control function of the drain 100.

[0127] As shown figures 8 and 9 The 60a cable can be in two positions: a first position, called the pulled position, and a second position, called the relaxed or pushed-back position.

[0128] When cable 60a is in the first position, slider 40a is in the upper position. When cable 60a is in the second position, slider 40a is in the lower position. When cable 60a moves from the first position to the second position, it moves slider 40a from the upper position to the lower position. Conversely, when cable 60a moves from the second position to the first position, it moves slider 40a from the lower position to the upper position.

[0129] The control unit is connected directly or indirectly to cable 60a.

[0130] In one embodiment, the control element, for example a mechanical button, is manually activated by the user. The control element directly actuates the movement of cable 60a.

[0131] In another embodiment, the control element is activated manually by the user. The control element activates a motor or actuator, which in turn moves the cable 60a.

[0132] The 100 drain plug may also include a 70a protective cover ( figures 1 to 3 , 8 and 9 The protective cover 70a, for example, is designed to be held on the upper wall 82a of the bell 80a. The protective cover 70a also serves an aesthetic purpose by concealing the components of the drain. Thus, when the drain 100 is in place in the shower, only the protective cover 70a is visible. Second configuration of the drain (figures 10 to 15)

[0133] In this second configuration, the hollow body 20b is generally referred to in the field as a dip tube or dip compartment.

[0134] In this second drain configuration, the hollow body 20b has a lateral wall 201b, preferably cylindrical in shape (as illustrated in the Figures 11 And 12 ) or truncated cone (as illustrated on the Figure 10 ). The side wall 201b is, for example, circular in cross-section. An axis of symmetry of the hollow body 20b extends substantially along the longitudinal axis A. In other words, when the drain 100 is in the operating position, the axis of symmetry of the hollow body 20b extends substantially vertically.

[0135] The lateral wall 201b of the hollow body 20b has a closed contour.

[0136] The hollow body 20b comprises an upper end 202b and a lower end 203b. When the hollow body 20b is frustoconical in shape, the lateral wall 201b preferentially flares out from the lower end 203b towards the upper end 202b. The internal volume 25b of the hollow body 20b is delimited by the lateral wall 201b, the lower end 203b, and the upper end 202b of the hollow body 20b. At the upper end 202b of the hollow body 20b, the lateral wall 201b delimits the water inlet 21b of the hollow body 20b, allowing water to pass into the internal volume 25b of the hollow body 20b.

[0137] Thus, when water flows into the shower tray, it naturally heads towards the drain 200, located at a lower elevation than the tray itself. Therefore, the water is initially directed towards the water inlet 21b of the hollow body 20b of the drain 100.

[0138] At the lower end 203b of the hollow body 20b, the side wall delimits the water outlet of the hollow body 20b, for the passage of water from the internal volume 25b of the hollow body 20b out of the hollow body 20b.

[0139] The hollow body 20b is arranged in the drain body 10 so that the lower end of the hollow body 20b is opposite the bottom wall 11 of the drain body 10, at a distance from it.

[0140] In an example of implementation, as illustrated on the Figure 10The hollow body 20b has, at its upper end 202b, a transverse rim 205b projecting from the side wall 201b. The transverse rim 205b is configured to rest on the transverse rim 53 of the intermediate piece 50. The hollow body 20b is dimensioned, in height, so that, when its transverse rim 205b rests on the transverse rim 53 of the intermediate piece 50, a minimum distance is guaranteed between the lower end 203b of the hollow body 20b and the bottom wall 11 of the drain body 10. The presence of this transverse rim 205b also advantageously facilitates the gripping of the hollow body 20b by an operator, and thus allows for quick maintenance of the drain 100.

[0141] In this second drain configuration, the duct 30b is located partly at the level of the hollow body 20b. More precisely, the duct 30b extends from the internal volume 25b of the hollow body 20b towards the outside of the drain body 10, the hollow body 20b and therefore the drain.

[0142] The 30b conduit can, for example, be in the form of a bent tube, as illustrated in the Figure 10 .

[0143] As illustrated on the figure 11 , the first end 31b of the conduit 30b is located in the hollow volume 25b, preferably closer to the lower end 203b of the hollow body 20b than to the upper end 202b.

[0144] Preferably, the first end 31a of the conduit 30b is located within the hollow volume 25b, above the lower end 203b of the hollow body 20b, at a height of a few centimeters, preferably between one and three centimeters, in order to limit air intake by the water suction pump in the water recirculation circuit. The position of the conduit 30b within the internal volume 25b of the hollow body 20b thus optimizes water circulation in the recirculation circuit while limiting air intake.

[0145] Advantageously, the 30b conduit is easily accessible by an operator and can be dismantled very quickly without dismantling the rest of the drain assembly. This simplifies maintenance and cleaning of the 30b conduit.

[0146] In the example of Figures 11 And 12The conduit 30b can be kept attached to the side wall of the hollow body 20b. The conduit 30b is preferably kept reversibly within the internal volume 25b of the hollow body 20b.

[0147] In this second configuration of drain 100, the drain may include a filter element 90b. The filter element 90b is located at the point where the conduit 30b is located. The filter element 90b is configured to allow water to pass through while preventing any debris present in the water (e.g., hair, pieces of solid soap, grains of sand, pieces of soil, pebbles, etc.) from entering the water recirculation circuit by capturing said debris. In a preferred embodiment, the filter element 90b may be positioned at the first end 31b of the conduit 30b. Preferably, the filter element 90b is a filter, strainer, grid, sieve, or membrane. The preferred location of the filter element 90b at the first end of the conduit 30b thus facilitates cleaning of the filter element 90b by an operator.It is also possible to position the 90b filter element at the second end 32b of the 30b conduit.

[0148] The 90b filter element can also be removed for easy cleaning or replacement in case of wear.

[0149] When the filter element 90b is positioned at the first end 31b of the conduit 30b, it is preferably oriented tangentially to the water flow. Thus, when the shower is operating in standard shower mode (explained later), with the slider 40b in the lowered position, the tangential flow of water over the filter element 90b effectively allows for self-cleaning of the filter. This improves the service life of the drain 100.

[0150] The 90b filter element, whether positioned at either end of the 30b duct, is thus easily accessible to an operator. This simplifies maintenance and cleaning of the 90b filter element.

[0151] In this second configuration of drain 100, the drain can include a reservoir 95, represented figure 15, positioned within the drain body 10. When the drain 100 includes such a reservoir 95, the hollow body 20b is positioned wholly or partially within the reservoir 95. The reservoir 95 may have a substantially cylindrical shape, for example, a circular cross-section. The reservoir further includes a bottom wall 96. Preferably, the reservoir 95 has a larger cross-section than the hollow body 20b, so that the hollow body 20b can be integrated into all or part of the reservoir. The reservoir 95 is positioned within the drain body 10 so that its bottom wall 96 rests on the bottom wall 11 of the drain body 10.

[0152] The 95 tank, for example, can have a capacity of approximately 150 milliliters. The 95 tank has the advantage of an odor-control function. When the shower is in use, the 95 tank is partially or completely filled with water, which prevents odors from rising through the drain. It can also be more commonly called a "water seal." Here, the water seal should ideally be between two and five centimeters high. The water seal recommended by the NF EN 274-1 standard of December 2002 (sanitary appliance drainage devices), currently in force, is 5 centimeters.

[0153] It should be noted that the odor-control function can also be provided by a membrane (not shown in the figures). This can, for example, be positioned in the drain body 10, for example at the water outlet 15 of the drain body 10.

[0154] The 95 tank is a preferred solution because it is easily accessible by an operator, after removing the hollow body 30b of the drain, without dismantling the shower (especially the tray), which facilitates its maintenance.

[0155] In this second configuration of drain 100, the slider 40b is arranged partly in the internal volume 25b of the hollow body 20b.

[0156] In one embodiment, the slide 40b is in the form of a hollow cylindrical part, preferably with a circular cross-section. The slide 40b has a cylindrical wall 42b. The slide 40b has a cross-section smaller than that of the lateral wall 201b of the hollow body 20b. The slide 40b extends along the longitudinal axis A. The slide 40b has a lower end 43b and an upper end 44b. The lower end 43b and the upper end 44b of the slide 40b correspond to a lower end and an upper end of the cylindrical wall 42b of the slide 40b. The slide 40b extends lengthwise so that its lower end 43b is located below the lower end 203b of the hollow body 20b and its upper end 44b is located above the upper end 202b of the hollow body 20b.

[0157] The slide 40b includes, at its lower end, a valve 49b. Preferably, the valve 49b extends perpendicularly to the cylindrical wall 42b of the slide 40b. The valve 49b has a cross-section greater than the cross-section of the lateral wall 201b of the hollow body 20b. The valve 49b is dimensioned to have a cross-section greater than the cross-section of the water outlet 22b of the hollow body 20b. In one embodiment, the valve 49b may be disc-shaped. The valve 49b is arranged opposite the water outlet 22b of the hollow body 20b.

[0158] The slide 40b is open at both its ends 43b, 44b. The slide 40b includes an internal longitudinal channel 47b opening at both its ends. The internal longitudinal channel 47b forms the overflow orifice 41b of the slide 40b.

[0159] The 40b slide moves between a low position and a high position.

[0160] When the 40b slider is in the lowered position, as illustrated in the figure 11 The slide 40b is arranged so that the valve 49b does not block the water outlet 22b of the hollow body 20b. A passage exists between the water outlet 22b and the valve 49b and allows the water to flow out of the hollow volume.

[0161] When the 40b slider is in the raised position, as illustrated in the figure 12 , the slide 40b is arranged so that the valve 49b closes the water outlet 22b of the hollow body 20b.

[0162] The slide 40b is dimensioned in height so that, when the slide 40b is in the high position, the upper end 44b of the slide 40b is substantially above the transverse rim 53 of the intermediate piece 50a, on the order of a few centimeters, preferably between one and three centimeters.

[0163] Thus, in case of overflow, the water must reach the upper end 44b of the slide 40b to be evacuated through the overflow orifice 41b of the slide 40b.

[0164] Generally, when the drain is installed in the shower and the slider 40b is in its raised position, the positioning of its upper end 44a must be less than the maximum height of the shower tray, measured from its top surface, to prevent water from overflowing. The slider 40a is preferably sized so that the travel between its lower and upper positions is approximately 2 cm.

[0165] The slide 40b may include a peripheral sealing gasket 48b arranged so that, when the slide 40b is in the raised position, the sealing gasket 48b is compressed between the valve 49b and the lower end 203b of the side wall 201b of the hollow body 20b delimiting the water outlet 22b.

[0166] The operation of the 100 drain in standard shower mode is illustrated on the figure 11 The water comes, for example, from a first shower head connected to a clean water circuit configured to be connected to the domestic water supply network. This water is called clean water. In standard shower mode, the 40b slider is in the down position. This is shown on the Figure 11The diagram, with its irregular dashed arrows, shows the flow of clean water through the drain 100 when the slider 40b is in the lowered position. When the clean water enters the shower tray, it flows to the drain 100 and enters the drain body 20b via the water inlet 21b. Since the valve 49b of the slider 40b does not block the water outlet 22b of the hollow body 20b, the clean water flows to the drain body 10 via the water outlet 22b of the hollow body 20b, and is then discharged from the drain 100 via the water outlet 15 of the drain body 10 into the wastewater drain. When the drain 100 includes the reservoir 95, as illustrated in the diagram... figure 11 , clean water first flows into reservoir 95, then into drain body 10 when clean water overflows from reservoir 95, then is discharged out of drain 100 via water outlet 15 of drain body 10.

[0167] The operation of the 100 drain in recirculation mode is illustrated on the figure 12 The water comes, for example, from a second shower head connected to a grey water circuit configured to receive and circulate the water from both shower heads. This water is called grey water. In recirculation mode, the 40b slider is in the raised position. This is shown on the Figure 12 The diagram, indicated by irregular dashed arrows, shows the flow of grey water through the drain 100 when the slider 40b is in the raised position. When the grey water enters the shower tray, it flows towards the drain 100 and enters the hollow body 20b of the drain 100 via the water inlet 21b. The valve 49b of the slider 40b blocks the water outlet 22b of the hollow body 20b, thus retaining the water in the hollow body 20b. The grey water can then be drawn, via the pipe 30b, into the shower's water recirculation circuit.

[0168] When the recirculation mode is temporarily paused, for example, water is no longer drawn into the pipe 30b. The water then accumulates in the hollow volume 25b until it reaches the upper end 44b of the slide 40b and is discharged, via the internal longitudinal channel 47b, and therefore via the overflow orifice 41b, into the drain body 10 and then out of the drain 100. This has been shown on the figure 12The diagram, with its regular dashed arrows, shows the water circulation within the drain 100. The water must reach the upper end 44b of the slider 40b to flow through its overflow orifice 41b, and thus through the internal longitudinal channel 47b. The water will therefore accumulate in the shower tray until it can be discharged, via the internal longitudinal channel 47b of the slider 40b, towards the drain body 10, and then discharged through the water outlet 15 of the drain body 10. The height of the upper end 44b of the slider 40b thus defines the maximum acceptable water level in the shower tray. It is then possible to resume recirculation mode, using the water accumulated in the shower tray, by drawing water through the duct 30b, without drawing in air.

[0169] Furthermore, when the shower is operating in recirculation mode, but fresh water continues to flow (for example, because the water supply from the first shower head has not been shut off), the water will then travel through the hollow volume 25a until it reaches the overflow orifice 41a of the slide valve 40a, and therefore the water outlet 22a, from where it can be discharged into the drain body 10 and then out of the drain 100. This prevents water from accumulating in the shower tray and overflowing. The drain thus provides a valuable safety feature by ensuring water is evacuated in case of overflow, thanks to the overflow orifice.

[0170] The 40b slider is mobile in translation between its upper and lower positions, for example by means of a displacement device.

[0171] In one embodiment, the displacement device comprises a control ring 65b, a cable 60b, and a control element for actuating the displacement of the cable 60b. The control ring 65b and the cable 60b are integral parts of the drain.

[0172] The control ring 65b, called the ring, is configured to drive the slide 40b between its low position and its high position, and vice versa.

[0173] In one embodiment, the ring 65b cooperates with the slide 40b. The ring 65b is preferably located at the upper end 44b of the slide 40b. More precisely, the ring 65b can surround the slide 40b. In this example, it has a radius substantially larger than that of the slide 40b.

[0174] The ring 65b is configured so that, when it is rotated about an axis of revolution along the longitudinal axis A, the slide 40b is moved in a translational motion about the longitudinal axis A, and can thus move between its lower and upper positions. Therefore, when the ring 65b rotates in one direction, the slide 40b is moved in translation towards its lower position, and when the ring rotates in the other direction, the slide 40b is moved in translation towards its upper position.

[0175] In one embodiment, the ring 65b may have a groove 66b, as illustrated in the figures 13 to 15 The groove 66b is preferably through-groove, meaning it forms a hole through the ring 65b. The groove 66b extends helically around the ring 65b, around the ring's axis of revolution. It should be noted that the ring 65b may have several grooves 66b.

[0176] The 40b slider may have at least one 67b lug, as illustrated on the Figures 10 And 15 .

[0177] In one embodiment, the slide 40b includes a lug 67b. The lug 67b, fixedly attached to the slide 40b, is configured to move within the groove 66b of the ring 65b. The groove 66b may have an upper end and a lower end. Due to the helical shape of the groove, when the ring 65b is rotated in one direction about its axis of revolution, the lug moves along the groove 66b, which causes the slide 40b to translate along the longitudinal axis A. Thus, when the slide 40b is in its lowered position, as shown by the Figure 11 The lug 67b preferably reaches an end of travel in the groove 66b, for example at the lower end of the groove, as illustrated in the figure 13 .

[0178] When the slide 40b is moved in translation along this same axis to its upper position by a reverse rotation of the ring, as shown Figure 12 The valve 49b approaches the water outlet 22b of the hollow body 20b. At the end of the travel of the lug 67b in the groove, the valve 49b of the slide 40b closes the water outlet 22b of the hollow body 20b, compressing the sealing gasket. For example, the end of travel could be when the lug 67b has reached the upper end of the groove, as illustrated in the figure 14 The water outlet 22b of the hollow body 20b is thus sealed watertight, as illustrated by the Figure 12 .

[0179] In an alternative embodiment (not shown in the figures), the slide 40b may have two lugs 67b. The two lugs are fixedly attached to the slide 40b and are configured to move within the groove 66b of the ring 65b. The two lugs are positioned diametrically opposite each other with respect to the slide 40b. The two lugs are arranged in the groove of the ring such that: when the 40b slide is in the lower position, one of the lugs reaches a stop in the groove, at the lower end; when the 40b slide is in the upper position, the other lug reaches a stop in the groove, at the upper end. The use of two lugs has the advantage of distributing the forces symmetrically and therefore pulling vertically on the 40b slide, thus limiting the buttressing.

[0180] The 60b cable of the displacement device is connected to the 65b ring. The 60b cable can be integrated into a sheath. The sheath thus constrains the 60b cable in a specific direction. The 60b cable is configured to drive the 65b ring in rotation, which in turn drives the 40b slide in translation.

[0181] In one embodiment, the cable 60b includes, for example, one end fixed to the ring. This end of the cable 60b is preferably attached to a lower part of the ring. The sheath, on the other hand, includes an end not fixed to the ring 65b. The end of the sheath can, for example, be fixed to the hollow body 20b.

[0182] As depicted on the Figures 13 And 14 The 60b cable can be in two positions: a first position, called the pulled position, and a second position, called the relaxed or pushed-back position.

[0183] When cable 60b is in the first position, slider 40b is in the upper position. When cable 60b is in the second position, slider 40b is in the lower position.

[0184] When cable 60b moves from the first position to the second position, it rotates the ring in one direction, which in turn moves the slider 40b in translation along the longitudinal axis A from its upper position to the lower position. Conversely, when cable 60b moves from the second position to the first position, it rotates the ring in the opposite direction, which in turn moves the slider 40b in translation along the longitudinal axis A from its lower position to the upper position.

[0185] The pulling and stopping or pushing of cable 60b, for example, can be performed manually by the user activating a control device connected directly or indirectly to cable 60b. In one embodiment, the control device, for example a mechanical button, is manually activated by the user. The control device directly actuates the movement of cable 60b. In another embodiment, the control device is manually activated by the user. The control device activates a motor or actuator, which in turn moves cable 60b.

[0186] The drain plug 100 may also include a spring (not shown). This spring may be positioned along the longitudinal axis A, between the valve 49b and the lower end 203b of the hollow body 20b. The spring is configured to facilitate the movement of the slider 40b to its lower position. The spring is thus compressed when the slider 40b is in the upper position and released when the slider 40b is in the lower position.

[0187] The drain plug 100 may include a means for preventing rotation (not shown in the figures) of the slide 40b. This means for preventing rotation may, for example, include an outer ring located around the slide 40b. The outer ring may include a groove (not shown in the figures) extending along the longitudinal axis A. The slide 40b has a shape complementary to said groove in the outer ring. This complementary shape, in conjunction with said groove in the outer ring, prevents rotation of the slide 40b about the longitudinal axis A. Thus, when the ring 65b is rotated, the slide 40b only translates, without rotating about any axis. The movement of the slide 40b is thus simplified.

[0188] The 100 drain plug can also include a 70b protective cover ( Figures 11 And 12The protective cover 70b is, for example, configured to be placed on the transverse rim 205b of the hollow body 20b in a non-watertight manner. It preferably has openings for water to pass through the hollow body 20b. The protective cover 70b also serves an aesthetic function by concealing the components of the drain. Thus, when the drain 100 is in place in the shower, only the protective cover 70b is visible. In another embodiment, the protective cover 70b can also be configured to be integral with the slide 40b, while allowing water to exit the slide 40b through its internal longitudinal channel 47b for overflow management.

[0189] The protective cover 70b may have an opening opposite the upper end 44b of the slide 40b to allow water to pass into the internal longitudinal channel 47b of the slide 40b for overflow management. This improves the ergonomics of the drain. Furthermore, the protective cover 70b protects the drain from potential malfunctions or breakage that could occur if a user were to step on it when it is installed in a shower, for example. Third configuration of the 100 drain plug (figures 16 to 20)

[0190] In this third configuration, the hollow body 20c of the drain 100 is in the form of a cylindrical part comprising an internal cylindrical wall 24c, an external cylindrical wall 23c, and a bottom wall 26c connecting the internal cylindrical wall 24c and the external cylindrical wall 23c. These internal and external cylindrical walls 23c and 24c each extend along the longitudinal axis A from the bottom wall 26c. The bottom wall 26c is positioned at a distance from the bottom wall 11 of the drain body 10.

[0191] In a preferred embodiment, the inner cylindrical wall 24c and the outer cylindrical wall 23c have a circular cross-section, as illustrated in the two views of the figure 17 .

[0192] The internal cylindrical wall 24c has, from the bottom wall 26c of the hollow body 20c, a height, along the longitudinal axis A, less than the external cylindrical wall 23c.

[0193] The external cylindrical wall 23c, the internal cylindrical wall 24c and the bottom wall 26c define the internal volume 25c of the hollow body 20c. The internal cylindrical wall 24c defines the water outlet 22c.

[0194] The hollow body 20c preferably includes, extending from the internal cylindrical wall 24c, an extension wall 29c which extends from the bottom wall 26c in a direction opposite to said internal cylindrical wall 24c. The extension wall 29c thus extends towards the bottom wall 11 of the drain body 10. It is understood that the water outlet 22c then extends over the entire height of the internal cylindrical wall 24c and the extension wall 29c.

[0195] The hollow body 20c is arranged within the drain body 10 so that, when the drain 100 is installed in the shower tray, an upper end 27c of its internal cylindrical wall 24c is located substantially below the outer surface of the shower tray. Preferably, when the drain 100 is installed in the shower tray, the upper end 27c of the internal cylindrical wall 24c of the hollow body 20c is located substantially below the transverse edge 53 of the intermediate piece 50, for example, between 1 and 3 millimeters. The positioning of the upper end 27c of the internal cylindrical wall 24c of the hollow body 20c is thus defined so that, when the slider 40c is in its lower position, water cannot be stored in the shower tray and the internal cylindrical wall 24c of the hollow body 20c does not form a barrier to the flow of water into the drain body 10.

[0196] The external wall 23c of the hollow body 20c delimits the water inlet 21c, for the passage of water into the internal volume 25c of the hollow body 20c.

[0197] Preferably, as illustrated on the figure 16 , the hollow body 20c has studs 93 arranged to form retaining stops for the hollow body 20c on the intermediate piece 50, and to hold the hollow body 20c in position in the drain 10.

[0198] In one embodiment, the pads 93 are arranged at an upper end 231c of the external cylindrical wall 23c and extend outwards from the hollow body 20c. The pads 93 are dimensioned to rest on the transverse rim 53 of the intermediate part 50.

[0199] In the non-limiting example of the invention, illustrated in the figure 16 , the hollow body 20c comprises three studs 93 regularly distributed on the upper end 231c of the external cylindrical wall 23c of the hollow body 20c.

[0200] In this third configuration, the conduit 30c is located partly at the level of the hollow body 20c. More precisely, the conduit 30c extends from the internal volume 25c of the hollow body 20c towards the outside of the drain body 10, the hollow body 20c and therefore the drain.

[0201] Preferably, the second end 32c of the conduit 30c is arranged above the transverse rim 53 of the intermediate piece 50.

[0202] The 30c conduit can, for example, be in the form of an angled tube.

[0203] As illustrated on the Figures 16 and 17The first end 31c of the conduit 30c is located within the hollow volume 25c, preferably at the upper end 27c of the internal cylindrical wall 24c of the hollow body 20c, in order to limit air intake by the water suction pump in the water recirculation circuit. The position of the conduit 30c within the internal volume 25c of the hollow body 20c thus optimizes water circulation in the recirculation circuit while limiting air intake.

[0204] The conduit 30c can be kept attached to both the external cylindrical wall 23c and the internal cylindrical wall 24c of the hollow body 20c.

[0205] The 100 drain fitting can include a 90c filtration element, as illustrated on the figure 16The filter element is located within the internal volume 25c of the hollow body 20c. Preferably, the filter element 90c extends between the upper end 27c of the internal cylindrical wall 24c of the hollow body 20c and the external cylindrical wall 23c of the hollow body 20c. The filter element 90c is preferably arranged parallel to the bottom wall 26c of the hollow body 20c. The filter element 90c is configured to allow water to pass through while preventing any debris present in the water from entering the water recirculation circuit by capturing said debris. Preferably, the filter element 90c bypasses the first end 31c of the conduit 30c. Preferably, the filter element 90c is a filter, a grid, a strainer, a sieve, or a membrane. The privileged location of the 90c filter element at the level of the internal volume 25c of the hollow body 20c makes it easier to remove and clean.

[0206] In this third configuration of the 100 drain, as in the second configuration, the 100 drain can include a 95 reservoir, shown on the Figures 18 to 20 , positioned within the drain body 10. When the drain 100 includes such a reservoir 95, the hollow body 20c is partially positioned within the reservoir 95. The reservoir 95 has a bottom wall 96 and a peripheral side wall 951. The reservoir 95 is positioned within the drain body 10 so that its bottom wall 96 rests preferentially on the bottom wall 11 of the drain body 10. The peripheral side wall 951 may have a substantially cylindrical shape, for example, a circular cross-section. The peripheral side wall 951 of the reservoir 95 preferably has a cross-section larger than the cross-section of the extension wall 29c of the hollow body 20c, so that said extension wall 29c can be integrated within the reservoir 95.

[0207] The 95 tank has an advantageous odor-control function. When the shower is in use, the tank is partially or completely filled with water, preventing odors from rising through the drain. The water seal should ideally be between two and seven centimeters high.

[0208] Alternatively (not shown), the odor-control function can also be achieved by a membrane. This can, for example, be positioned in the drain body 10, for example at the water outlet 15 of said drain body.

[0209] The 95 tank is a preferred solution because it is easily accessible by an operator, after removing the 30c hollow body of the drain, without dismantling the shower (especially the tray), which facilitates its maintenance.

[0210] The peripheral side wall 951 of the tank 95 may have at least one orifice (not shown) to allow the passage of water contained in the tank 95 to the drain body 10. Preferably, at least one orifice is arranged at the level of an upper part of the peripheral side wall 951 of the tank 95. Preferably, the peripheral side wall 951 of the tank 95 has several orifices distributed circumferentially.

[0211] In an example of implementation, as illustrated on the figure 18The reservoir 95 has, at an upper end of the peripheral side wall 951, a transverse rim 952 projecting from said peripheral side wall. The transverse rim 952 is configured to rest on at least one protrusion 55 extending from an inner face of the cylindrical wall 51 of the intermediate piece 50. The reservoir 95 thus rests in the intermediate piece 50 and is held in position within the drain body 10. In one embodiment, as illustrated in the figure 18 The intermediate piece 50 has several protrusions 55 in the form of ribs, arranged vertically when the drain 100 is in the operating position. In a non-limiting embodiment, said intermediate piece has four ribs regularly distributed on the inner face of its cylindrical wall 51.

[0212] The tank 95 is arranged in the drain body 10 so that, when the drain 100 is installed in the shower tray, the upper end of its peripheral side wall 951 is located substantially below the outer surface of the tray.

[0213] Preferably, the bottom wall 26c of the hollow body 20c is arranged to rest on the transverse rim of the tank 95.

[0214] In this third drain configuration, as in the first configuration, the 40c slider is arranged in the 22c water outlet of the 20c hollow body.

[0215] As illustrated in the two views of the figure 17The slide 40c is a hollow part with a shape complementary to the internal cross-section of the internal cylindrical wall 24c of the hollow body 20c. The slide 40c has a cylindrical wall 42c. This cylindrical wall has a cross-section substantially equal to the internal cross-section of the internal cylindrical wall 24c of the hollow body 20c, with a clearance to allow for sliding. Thus, when the internal cylindrical wall 24c of the hollow body 20c has a circular cross-section, the cylindrical wall 42c of the slide 40c has a cylindrical shape, with a diameter substantially equal to the internal diameter of the internal cylindrical wall 24c of the hollow body 20c, with a clearance.

[0216] A sealing gasket can for example be placed at an external periphery of the cylindrical wall 42c of the slide 40c in order to fill the space between said periphery of the cylindrical wall 42c of the slide 40c and the internal cylindrical wall 24c of the hollow body 20c and thus ensure the seal between the slide 40c and the internal cylindrical wall 24c of the hollow body 20c.

[0217] The slide 40c comprises a lower end 43c and an upper end 44c. The lower end 43c and the upper end 44c of the slide 40c correspond to a lower end and an upper end of the cylindrical wall 42c of the slide 40c. The slide 40c is open at both its ends 43c and 44c.

[0218] The overflow orifice 41c of the slide 40c is delimited by the cylindrical wall 42c of said slide, and extends between the lower end 43c and the upper end 44c of the slide 40c. The cross-section of the overflow orifice 41a thus corresponds substantially to the internal cross-section of the internal cylindrical wall 24c of the hollow body 20c.

[0219] The 40c slide moves between a low position and a high position.

[0220] When the slide 40c is in the lowered position, the slide 40c is arranged so as not to protrude beyond the upper end 27c of the internal cylindrical wall 24c of the hollow body 20c. In other words, the upper end 44c of the slide 40c is at most at the same level as the upper end 27c of the internal cylindrical wall 24c of the hollow body 20c.

[0221] In the preferred example of implementation, and illustrated on the figure 18, the upper end 44c of the slide 40c is at the same level as the upper end 27c of the internal cylindrical wall 24c of the hollow body 20c.

[0222] When the 40c slider is in the raised position, as illustrated in the figure 19The slide 40c is arranged so that it extends beyond the upper end 27c of the inner cylindrical wall 24c of the hollow body 20c. In other words, the upper end 44c of the slide 40c is above the lower end 27c of the outer cylindrical wall 24c of the hollow body 20c. The slide 40c is also arranged to extend beyond the upper end 231c of the outer cylindrical wall 24c of the hollow body 20c. The lower end 43c of the slide 40c is, in turn, located below the upper end 27c of the inner cylindrical wall 24c of the hollow body 20c. When the hollow body 20c includes the extension wall 29c, the lower end 43c of the slide 40c is preferably located at the level of this extension wall 29c. The extension wall 29c preferentially forms a guide for the slider 40c.The cylindrical wall 42c of the slide 40c thus forms an extension of the internal cylindrical wall 24c of the hollow body 20c, thereby increasing the height of said internal cylindrical wall 24c. The water must reach the upper end 44c of the slide 40c to be discharged through the overflow orifice 41c of the slide 40c to the water outlet 22c of the hollow body 20c.

[0223] The slider 40c is dimensioned in height so that, when the slider 40c is in the raised position, its upper end 44c is substantially above the transverse edge 53 of the intermediate piece 50c, by a few centimeters, preferably between 1 cm and 3 cm. Generally, when the drain 100 is in place in the shower, and the slider 40c is in the raised position, the positioning of its upper end 44c must be less than the maximum height of the shower tray, measured from its upper surface, to prevent water from overflowing the tray.

[0224] The 40c slide is preferably dimensioned in height so that the stroke between the lower and upper positions of the slide is on the order of 2cm.

[0225] The 100 drain plug can also include a 70c protective cover ( figures 18, 19 and in transparency on the figure 16The protective cover 70c also serves an aesthetic function by concealing the drain assembly. Thus, when the drain 100 is installed in the shower, only the protective cover 70c is visible. The protective cover 70c is, for example, configured to be held in place by the lugs 93 of the hollow body 20c. These lugs therefore have a dual function: supporting the cover and holding the hollow body within the drain. The lugs 93 are preferably sized to extend above the conduit 30c. The lugs 93 can be connected to each other by a support structure 94 configured to also hold the protective cover 70c.

[0226] The operation of the 100 drain in standard shower mode is illustrated on the figure 18The water comes, for example, from a first shower head connected to a clean water circuit configured to be connected to the domestic water distribution network. The water is said to be clean water.

[0227] In standard shower mode, the 40c slider is in the down position. This is shown on the figure 18 The diagram, with its regular dashed arrows, shows the flow of clean water through the drain 100 when the slide 40c is in the lowered position. When the clean water enters the shower tray, it flows to the drain 100 and enters the hollow body 20c via the water inlet 22c. The clean water then flows to the drain body 10 via the water outlet 22c of the hollow body 20c and is discharged from the drain via the water outlet 15 of the drain body 10 into the wastewater drain.

[0228] The operation of the 100 drain in recirculation mode is illustrated on the figure 19The water comes, for example, from a second shower head connected to a grey water circuit configured to receive and circulate the water from both shower heads. This water is called grey water. The grey water circuit is the water recirculation circuit. In recirculation mode, the 40c slider is in the raised position. This is shown on the... figure 19 The diagram, with its regular dashed arrows, shows the flow of grey water through the drain 100 when the slide 40c is in the raised position. When the grey water enters the shower tray, it flows to the drain 100 and enters the hollow body 20c via the water inlet 22c. The grey water remains in the hollow volume 25c of the hollow body 20c and is drawn, via the conduit 30c, into the shower's water recirculation circuit.

[0229] When the cyclic mode is temporarily paused, for example, water is no longer drawn into the duct 30c. The water then accumulates in the hollow volume 25c until it reaches the water outlet 22c of the hollow body, where it can be discharged into the drain body 10 and then out of the drain 100. This has been shown on the figure 19The diagram, with its irregular dashed arrows, illustrates the water flow within the drain 100. The water must reach the upper end 44c of the slider 40c to flow out through its overflow orifice 41c, and therefore through the water outlet 22c of the hollow body 20c. The water thus accumulates in the shower tray until it can be discharged, via the overflow orifice 41c of the slider 40c, and therefore through the water outlet 22c of the hollow body 20c, towards the drain body 10, and then discharged through the water outlet 15 of the drain body 10. The height of the upper end 44c of the slider 40c therefore defines the maximum acceptable water level in the shower tray. It is then possible to resume recirculation mode, with the water accumulated in the shower tray, by drawing the water through the 30c duct, and without drawing in air.

[0230] Furthermore, when the shower is operating in recirculation mode, but fresh water continues to flow (for example, because the water supply from the first shower head has not been shut off), water can accumulate in the hollow chamber 25c and the shower tray until it reaches the overflow orifice 41c of the slide valve 40c, and therefore the water outlet 22c of the hollow chamber 20c, from where it can be drained into the drain body 10 and then out of the drain 100. This prevents water from accumulating in the shower tray until it overflows. The drain thus provides a valuable safety feature by ensuring water is evacuated in case of overflow, thanks to the overflow orifice 41c.

[0231] As in the first configuration, the 40c slider is mobile in translation between its high position and its low position, for example by means of a displacement device.

[0232] In one embodiment, the sliding block 40c movement device comprises a cable 60c and a control element to actuate the movement of the cable 60c. The cable 60c is an integral part of the drain plug.

[0233] The 60c cable is connected to the 40c slide. The 60c cable can be integrated into a sheath. The sheath allows the 60c cable to be constrained in a desired direction.

[0234] The 60c cable is configured to drive the 40c slider in translation.

[0235] In one embodiment, the cable 60c includes, for example, one end attached to the slider 40c. The sheath, for its part, includes one end attached to the support structure 94, so that only the cable is attached to the slider. The support structure 94 is thus configured both to hold the protective cover 70c and to support the sheath of the cable 60c.

[0236] The 60c cable can be in two positions: a first position, called the pulled position, and a second position, called the relaxed or pushed-back position.

[0237] When cable 60c is in the first position, slider 40c is in the upper position. When cable 60c is in the second position, slider 40c is in the lower position. When cable 60c moves from the first position to the second position, it moves slider 40c from the upper position to the lower position. Conversely, when cable 60c moves from the second position to the first position, it moves slider 40c from the lower position to the upper position.

[0238] The control unit is connected directly or indirectly to the 60c cable.

[0239] In one embodiment, the control element, for example a mechanical button, is manually activated by the user. The control element directly actuates the movement of the 60c cable.

[0240] In another embodiment, the control element is activated manually by the user. The control element activates a motor or actuator, which in turn moves the 60c cable.

[0241] The invention also relates to a 1000 cycle shower, as illustrated in the Figure 21 The cyclic shower 1000 is equipped with the drain as previously described.

[0242] The cyclic shower 1000 preferably includes two independent water circuits: A first circuit, called the clean water circuit, includes a first water outlet (910 mm), for example, a first shower head. A second circuit, called the grey water or water recirculation circuit, includes a second water outlet (920 mm), for example, a second shower head. The clean water circuit is configured to be connected to the domestic water distribution network (cold and hot water). The water recirculation circuit is configured to receive and circulate water from the first and second outlets 910, 920. The water recirculation circuit may include several 920 water outlets.

[0243] The cyclic shower preferably includes a water suction pump (not shown in the figures) configured to reinject, into the water recirculation circuit, the grey water from the two independent water circuits collected in the shower tray, and to allow the recirculation of water in the recirculation circuit.

[0244] The cyclic shower 1000 includes a shower column 700. The shower column 700 may include the control unit for the movement device.

[0245] As described previously, the control unit is connected directly or indirectly to cable 60a, 60b, 60c. For ergonomic reasons, the drain cable 60a, 60b, 60c can be integrated inside, or behind, the 700 shower column of the 1000 cyclic shower unit. The control unit is activated manually by the shower user. The control unit conveniently serves as a user interface for controlling the drain.

[0246] In an example of implementation, as illustrated on the figure 21 The control device is a two-position button 800. The control device is directly connected to cable 60a, 60b, 60c. When button 800 moves from the first position to the second position, the button is configured, for example, to move cable 60a, 60b, 60c from the released or pushed-back position to the pulled position. Conversely, when the button moves from the second position to the first position, the button is configured to move cable 60a, 60b, 60c from the pulled position to the released or pushed-back position.

[0247] In one embodiment, the control unit is indirectly connected to cable 60a, 60b, 60c. The cyclic shower 1000 may also include an actuator (not shown in the figures). This actuator can be integrated into the shower column. It is thus isolated from the water in the two independent water circuits of the cyclic shower, as well as from the water outlet of said two circuits. The actuator is powered by a power source. It can be switched on and off by button 800, or by an electronic board included in the cyclic shower. For example, button 800 is configured to switch the actuator on in the first position and off in the second position. It can also be configured to switch on the water suction pump. The actuator can, for example, be a motor or a servomotor.

[0248] The actuator is configured, when in operation, to move the slider 40a, 40b, 40c of the drain 100 from the lower to the upper position. The actuator can then be configured to pull the cable 60a, 60b, 60c while it is running. Conversely, when the actuator is off, the slider 40a, 40b, 40c moves from the upper to the lower position. When the actuator is off, it can then be configured to release or push the cable 60a, 60b, 60c.

[0249] In a particularly advantageous alternative, button 800 also activates the water suction pump for the recirculation circuit when the slider 40a, 40b, 40c is in the raised position and moves to the second position. This allows the shower to be used in recirculation mode.

[0250] Conversely, when the rotating knob 800 is moved to the first position, it is configured to switch off the water suction pump for the recirculation circuit and to move the slider 40a, 40b, 40c to the lower position. This allows the shower to be used in the standard mode.

[0251] This embodiment allows the user to alternate between different operating modes of the cyclic shower 1000, for example between recirculation mode and classic mode, while limiting the use of the water suction pump to its strict necessity.

[0252] In one example, the 100 drain, regardless of its configuration, can be equipped with a 750 water level sensor (shown on the figure 21The water level sensor is preferably located significantly below the overflow level. Such a water level sensor (750) advantageously detects when the suction pump can start. This water level sensor (750) thus improves the automation of the cyclic shower by cutting off the fresh water supply to the shower and automatically activating the suction pump when there is sufficient water in the drain (100), switching the shower from standard to cyclic mode.

[0253] The above description clearly illustrates that, through its various features and their advantages, the present invention achieves its intended objectives. In particular, it provides a drain fitting, especially for a cyclic shower, which allows, depending on whether the cyclic shower is used in traditional or recirculation mode, for all or part of the water to be redirected to the wastewater drain or to the water recirculation circuit.

Claims

1. Drain (100) for a water reuse system which includes a water recirculation circuit, characterized in thatThe drain assembly comprises: • a drain body (10) including a water outlet (15) intended to be connected to a wastewater pipe, • a hollow body (20a, 20b, 20c) positioned wholly or partly within the drain body (10), said hollow body delimiting an internal volume (25a, 25b, 25c) and including a water inlet (21a, 21b, 21c) and a water outlet (22a, 22b, 22c), • a conduit (30a, 30b, 30c) intended to be connected to the water recirculation circuit, said conduit extending from the internal volume (25a, 25b, 25c) of the hollow body (20a, 20b, 20c) to an exterior part of the drain assembly (100), • a slide (40a, 40b, 40c) comprising an overflow orifice (41a, 41b, 41c) and configured to be movable in translation about a longitudinal axis, corresponding to a vertical axis when the drain (100) is in the operating position, said slide moving between two positions, a first position, called the lower position, and a second position, called the upper position, the slide (40a, 40b,40c) being arranged in the drain (100) such that: ∘ when in the lowered position, the water contained in the internal volume (25a, 25b, 25c) of the hollow body (20a, 20b, 20c) is discharged through the water outlet (22a, 22b, 22c) of said hollow body, ∘ when in the upper position, the access height to the overflow orifice (41a, 41b, 41c) is increased.

2. Drain (100) according to claim 1 in which the hollow body (20a, 20c) is in the form of a cylindrical part comprising an internal cylindrical wall (24a, 24c), an external cylindrical wall (23a, 23c) and a bottom wall (26a, 26c) connecting said internal cylindrical wall and said external cylindrical wall, said internal and external cylindrical walls (23a, 24a, 23c, 24c) and the bottom wall (26a, 26c) delimiting the internal volume (25a, 25c) of the hollow body (20a, 20c), said internal cylindrical wall (26a, 26c) delimiting the water outlet (22a, 22c), the slide (40a, 40c) being arranged in the water outlet (22a, 22c) of the hollow body (20a, 20c), the slide (40a, 40c) being in the form of a hollow part having a cylindrical wall (42a, 42c), the slide (40a, 40c) being arranged in the drain (100) such that: ∘ when in the lowered position, the slide (40a, 40c) is arranged so as not to protrude an upper end (27a,27c) of the internal cylindrical wall (24a, 24c) of the hollow body (20a, 20c), ∘ when in the raised position, the slide (40a, 40c) is arranged to extend beyond the upper end (27a, 27c) of the internal cylindrical wall (24a, 24c) of the hollow body (20a, 20c), the cylindrical wall (42a, 42c) of the slide (40a, 40c) forming an extension of the internal cylindrical wall (24a, 24c) of the hollow body (20a, 20c)., 3. Drain (100) according to any one of claims 1 or 2 comprising a cable (60a, 60c) connected to the slider (40a, 40c), said cable being integrated into a sheath, said cable being configured to drive the slider (40a, 40c) in translation, said cable being intended to be connected to a control element.

4. Drain (100) according to claim 3 comprising a bell (80a) positioned astride the internal cylindrical wall (24a) of the hollow body (20a), the bell (80a) comprising a cylindrical wall (81a) and an upper wall (82a), the bell (80a) being arranged partly in the hollow body (20a) such that a lower end (83a) of its cylindrical wall (81a) is opposite the bottom wall (26a) of the hollow body (20a), at a distance from it.

5. Drain (100) according to claim 4 wherein the bell (80a) comprises the conduit (30a).

6. Drain (100) according to any one of claims 4 to 5 comprising a filtration element at a first end (31a) of the conduit (30a), said first end (31a) being located in the internal volume (25a) of the hollow body (20a).

7. Drain (100) according to any one of claims 2 to 3 in which the hollow body (20c) comprises, in the extension of the internal cylindrical wall (24c), an extension wall (29c) extending from the bottom wall (26c) in a direction opposite to said internal cylindrical wall (24c).

8. Drain (100) according to claim 7 comprising a filtering element (90c) located in the internal volume (25c) of the hollow body (20c), extending between the upper end (27c) of the internal cylindrical wall (24c) of the hollow body (20c) and the external cylindrical wall (23c) of the hollow body (20c), said filtering element being arranged parallel to the bottom wall (26c) of the hollow body (20c).

9. Drain (100) according to claim 1 in which the slide (40b) is arranged partly in the internal volume (25b) of the hollow body (20b), and comprises a lower end (43b) and an upper end (44b), said slide having, at its lower end (43b), a valve (49b), and said slide being arranged in the drain (100) so that: • when in the upper position, the valve (49b) blocks the water outlet (22b) of the hollow body (20b), • when in the lower position, the valve (49b) does not block the water outlet (22b) of the hollow body (20b).

10. Drain (100) according to claim 9, in which the slider (40b) comprises an internal longitudinal channel (47b), opening at its two ends (43b, 44b), forming the overflow orifice (41b) of the slider (40b).

11. Drain (100) according to any one of claims 9 or 10, comprising a control ring (65b) configured such that: • when driven in rotation, about the longitudinal axis A, in one direction, the slide (40b) is driven in translation along the longitudinal axis A towards its lower position; • when driven in rotation, about the longitudinal axis A, in the opposite direction, the slide (40b) is driven in translation along the longitudinal axis A towards its upper position.

12. Drain (100) according to any one of claims 9 to 11 comprising a filtration element (90b) at a first end (31b) of the conduit (30b), said first end (31b) being located in the internal volume (25b) of the hollow body (20b).

13. Cyclic shower (1000) comprising: • a circuit, called clean water, configured to be connected to the domestic water distribution network, including a first water outlet (910), • a circuit, called water recirculation, including a second water outlet (920), the water recirculation circuit being configured to receive and circulate the water from the first (80) and second outlets (800), and • a drain (100) according to any one of claims 1 to 12, the cyclic shower being configured so that: • when used in conventional mode, the slide (40a, 40b, 40c) of the drain (100) is arranged in the lower position, • when used in cyclic mode, the slide (40a, 40b, 40c) of the drain (100) is arranged in the upper position.

14. Cyclic shower (1000) according to claim 13, comprising a water suction pump, configured to reinject, into the water recirculation circuit, the water exiting the two water circuits and collected in a cyclic shower tray, and in which the drain (100) comprises a water level sensor (750) configured to detect a minimum water level contained in the drain (100).

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