EP1034337A1 - Water draining device - Google Patents

Water draining device

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Publication number
EP1034337A1
EP1034337A1 EP98955727A EP98955727A EP1034337A1 EP 1034337 A1 EP1034337 A1 EP 1034337A1 EP 98955727 A EP98955727 A EP 98955727A EP 98955727 A EP98955727 A EP 98955727A EP 1034337 A1 EP1034337 A1 EP 1034337A1
Authority
EP
European Patent Office
Prior art keywords
channel
cup
evacuation
water
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98955727A
Other languages
German (de)
French (fr)
Other versions
EP1034337B1 (en
Inventor
Claude Michaud
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETEX Plastics
Original Assignee
ETEX
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ETEX filed Critical ETEX
Publication of EP1034337A1 publication Critical patent/EP1034337A1/en
Application granted granted Critical
Publication of EP1034337B1 publication Critical patent/EP1034337B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/22—Outlet devices mounted in basins, baths, or sinks
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/29—Odour seals having housing containing dividing wall, e.g. tubular

Definitions

  • the invention relates to a device for discharging water, also called a drain assembly, in particular for sanitary appliances, for example a drain for a shower tray.
  • a drain assembly in particular for sanitary appliances, for example a drain for a shower tray.
  • the invention also applies to the emptying of sinks, floor siphons, drainage of rainwater from the roof, etc.
  • European patent EP-A-0503232 (Viegener) describes a high flow shower drain which, thanks to a slope integrated in the body of the drain, prevents any residual water stagnating in the bottom of the drain body, but with the exception of course of a minimum guard imposed by the siphon effect.
  • the water pours all around the circular wall of a housing to arrive in a chamber or drainage channel whose flat sloping bottom collects the water and guides it on each side of the housing to a tube or evacuation pipe.
  • This known shower drain is composed of a casing or housing provided with a supply opening, an evacuation pipe, a fixing flange and a dip tube inserted in the casing, delimiting the feed opening, the casing further having a discharge channel surrounding the casing.
  • the evacuation channel has a flat bottom inclined from a high point to an opposite low point so that said evacuation channel guides, in two distinct flows, the water pouring all around the casing towards the manifold. evacuation.
  • the design of the drainage channel is such that it creates two separate drainage channels in the direction of the drainage pipe, which disrupts the entry of water into this evacuation pipe and causes a reduction in the speed of water flow and therefore in the evacuation flow, the two generated flows tending to telescope and cause turbulence a pressure drop.
  • a shower drain of substantially identical structure is described and in particular having a drainage channel whose bottom has an inclined slope from a high point of the drainage channel to a point bottom of said channel diametrically opposite to the high point.
  • This evacuation channel therefore has two arms for guiding the flow of water extending on either side of the housing from this high point of the evacuation channel towards the low point of said channel where these two arms open into a pipe. evacuation.
  • German utility model DE-U-9407255 there is also described a device for discharging water comprising an annular discharge channel surrounding the casing and the bottom of which is inclined from a high point of the channel to a low point of said channel. diametrically opposite channel and opening into an evacuation pipe, said evacuation channel in fact defining two evacuation channels.
  • the main object of the present invention is to overcome these drawbacks and to propose a device for evacuating water or emptying assembly, in particular for sanitary appliances in which an accelerated flow of water is obtained in the form of a single flow flowing in a drainage channel towards a drainage pipe.
  • the subject of the invention is a water evacuation device, also called an emptying assembly, consisting of a central cup into which there opens a water supply opening covered with a cover, with a tube.
  • removable plunger inserted into the central cup, an evacuation pipe or tubing as well as an evacuation channel communicating with and surrounding the central cup, said evacuation channel opening at the level of the discharge, characterized in that said discharge channel is unique and has a helical shape descending around the central cup from a high point to a low point of communication with the discharge pipe, said high and low points being substantially aligned in a vertical.
  • the inclination of the channel is continuous all along said evacuation channel from a high point to a low point, thus defining a single inclined evacuation channel surrounding the central cup generating a single flow and not a discharge channel divided into two inclined channels on either side of the central cup as was the case in the prior art.
  • the drainage channel which is attached all around the cup, constitutes with the latter a one-piece housing forming the body of the evacuation device or emptying assembly.
  • This channel is composed of a bottom or lower part comprising the external part of the vertical wall of the cup and an internal part in an arc of a circle open upwards forming a wall coming from the cup, as well as an upper part comprising the internal part. in an arc facing the bottom of the underside of a cover mounted on the housing and the upper end of the vertical wall of the cup.
  • the bottom of the central cup consists of a cone connected to the peripheral vertical wall of said cup by a segment in an arc of a circle open upwards.
  • the flow of water entering the emptying assembly through the inlet opening and falling inside the dip tube in a vertical falling movement abuts against the conical bottom of the central cup and then undergoes a 180 ° rotation between the outer wall of the dip tube and the inner wall of the cup.
  • the water overflows above the vertical wall of said cup in the single discharge channel to follow a downward helical movement imparted to the flow by the channel.
  • the vertical wall of the cup is cylindrical so that the major part of the overflowing water arrives in the evacuation channel of helical shape and not directly in the outlet orifice connected to the evacuation pipe.
  • the water outlet orifice attached to the discharge pipe is disposed eccentrically, namely in the extension of the lower part of the discharge channel of helical shape.
  • the water which flows into the upper part of the outer channel is forced towards the downward helical path by a vertical partition forming the upper abutment of said evacuation channel of helical shape to promote the direction d flow of water in order to avoid any turbulence at the level of communication with the evacuation pipe and to force the single flow to migrate in the direction of flow of the channel in order to undergo the desired acceleration.
  • a drainage device ensures a greatly increased flow rate compared to existing water drainage devices due to its unique drainage channel of helical shape accelerating flow, said drainage channel having for a small footprint in its height a longer effective flow length allowing a better acceleration of the flow.
  • Figure 1 is a vertical median section of a shower drain according to the invention, the assembly being seen from the front.
  • Figure 2 is a perspective view of the shower drain of Figure 1 and its drainage channel.
  • Figure 3 is a view identical to Figure 2, but the plug being deprived of all of its upper elements.
  • Figure 4 is a flow curve of a plug according to the prior art.
  • Figure 5 is a flow curve similar to that of Figure 4, but with a plug according to the invention.
  • the water evacuation device or water emptying assembly in particular for sanitary appliances, is in the present example a shower drain for an extra-flat receptacle and comprises a monobloc housing 1 made of plastic, preferably polypropylene, forming the body of the device and comprising a central cup 2 around which is externally attached a discharge channel 3 which has a helical shape opening onto a water outlet orifice attached to a pipe or evacuation pipe 4. It is noted that said water outlet orifice attached to the pipe or pipe 4 is disposed eccentrically, namely in the extension of the lower part of the evacuation channel of helical shape 3.
  • the drain has a feed opening defined by interstices 8 formed between an opening cover 9 of the drain and a plate 10 carried by the housing 1, the plate 10 allowing the fixing in a shower tray.
  • the bung is fixed around the orifice made in the bottom of the receiving tank 15 using the plate 10 screwable onto a cover 7 mounted on the housing 1.
  • the cover 7 covers the drainage channel 3 and at least a part of the central cup 2 while providing an orifice above said cup 2, the plate preferably screwing onto the outer part (orifice side) of said cover 7.
  • the seal at the orifice of the tank 15 between these different parts is then ensured by a multifunction seal 16 as described in French patent application n ° 95/08609.
  • This seal 16 which encloses by its upper and lower lip the orifice of the receiving tank 15 and the upper external part of the cover 7, is then compressed by tightening the plate 10.
  • the device according to the invention can be fixed in a sealed manner from the same way around the opening in the bottom of any other receptacle such as a sink, a floor, a roof in the case of a device for evacuating rainwater from roofs, etc.
  • the discharge channel 3 is composed of a lower part 3 ′ comprising the external part of the vertical wall 5 of the cup 2 and the internal part in an arc of a circle 6 ′ open upwards forming a wall 6 coming from the cup 2, thus as an upper part 3 '' comprising the internal part in an arc 7 '' open towards the bottom of the underside of the cover 7 and the upper end of the vertical wall 5 of the cup 2.
  • the lower part 3 ′ of the evacuation channel 3 is inclined all around the central cup 2 from a high point to a low point where said evacuation channel 3 communicates with the evacuation pipe 4, the high point and the low point of said discharge channel 3 being substantially aligned in a vertical so that the discharge channel 3 has a helical shape.
  • the water flow enters the emptying assembly through the interstices 8 formed between the cover 9 and the plate 10.
  • the flow drops inside the dip tube 11 which is composed of a sort of filter basket, removable thanks to a central gripping device, placed against the internal vertical walls of the tray 10.
  • the flow abuts against the conical bottom 12 of the cup 2 and then undergoes a 180 ° rotation thanks to a segment in an arc of a circle 13 open upwards, formed between said conical bottom 12 and the vertical wall 5 of the cup 2.
  • the flow thus deflected rises between the external wall of the dip tube 11 and the internal face of the vertical wall 5 of the cup 2.
  • the latter once filled, the water overflows above the vertical wall 5 of said cup 2 and fall into the evacuation channel 3 of peripheral helical shape to follow a descending accelerating movement towards the water outlet orifice of the evacuation channel 3 communicating with the evacuation pipe 4.
  • FIG. 3 which represents the only lower part 3 ′ of the plug body shows the entire location of the helical channel 3 as well as the vertical partition 14 forming the upper abutment thereof and promoting the direction of flow in said channel 3
  • the highest part of the channel 3 is substantially aligned in a vertical with the lowest part of said channel 3 at the periphery of the central cup 2.
  • the slope of the bottom of said channel 3 tilts from this upper part to the lower part continuously and defined around the central cup a single discharge channel 3 of helical shape, defining a single flow of helical path.
  • the evacuation pipe 4 for water outlet is formed in the present example using a ball socket 17 provided an O-ring 18, a conical seal with a screwable ring 19 and an elbow 4 at 135 °.
  • the assembly thus formed can be placed on the discharge pipe at a variable angle of 30 °, which greatly contributes to the ease of implementation of the plug between the receiver tank 15 and said discharge pipe 4.
  • Figure 4 shows the measurements taken in a tank provided with a traditional drain
  • Figure 5 uses a drain according to the invention.
  • the drain according to the invention not only authorizes much greater water flow rates than with the bungs of the prior art, but also makes it possible to maintain the low height of water required with the extra-flat receiving tanks. It also goes without saying that the increased speed of evacuation of water avoids frequent fouling of the system as observed in many cases with the bungs of the prior art.
  • the outlet for water coming from the drain is provided in the lower part of the discharge channel in a central plane passing through the axis of the plate.

Abstract

The invention concerns a water draining device, also called waste water outlet assembly, consisting of a central tumbler (5) wherein emerges a water inlet covered with a cap (9), a removable dip pipe (11) inserted in the central tumbler (2), a discharge conduit or pipe (4) and a discharge channel (3) communicating with the central tumbler (2) and enclosing it, said discharge channel (3) emerging at the discharge pipe (4). The invention is characterised in that there is a single discharge channel (3) and it has a helical shape descending around the central tumbler (2) from a high point down to a low point communicating with the discharge pipe (4), said high and low points being substantially aligned along a vertical line. The invention is applicable to water drainage.

Description

Dispositif d'évacuation des eaux.Water drainage device.
L'invention concerne un dispositif d'évacuation des eaux, encore appelé ensemble de vidage, en particulier pour des appareils sanitaires, par exemple une bonde pour bac receveur de douche. L'invention s'applique également au vidage des éviers, à des siphons de sol, à des évacuations d'eau pluviale de toiture, etc.The invention relates to a device for discharging water, also called a drain assembly, in particular for sanitary appliances, for example a drain for a shower tray. The invention also applies to the emptying of sinks, floor siphons, drainage of rainwater from the roof, etc.
Les bacs receveur de douche tels que conçus jusqu'à ces dernières années étaient prévus pour recevoir une hauteur d'eau relativement importante. Le problème du faible débit des dispositifs d'évacuation était secondaire dans la mesure où une quantité relativement importante d'eau pouvait s'accumuler dans l'enceinte du bac de douche.Shower trays as designed until recent years were designed to receive a relatively large water level. The problem of the low flow rate of the drainage devices was secondary since a relatively large amount of water could accumulate in the enclosure of the shower tray.
Les seuls problèmes rencontrés avec les bacs receveurs traditionnels tenaient plutôt à l'encrassage des bondes résultant pour une bonne part des restrictions apportées par les sections de passage des eaux à évacuer, au nettoyage des parois verticales desdits bacs receveurs et à la difficulté d'accès pour l'utilisateur de la douche résultant de la marche importante constituée par ses parois verticales. L'apparition de bacs receveurs extra-plats plus esthétiques, mais aussi plus faciles à enjamber et à nettoyer, devait cependant modifier la perception des dispositifs d'évacuation des eaux puisqu'avec la nécessité de maintenir en permanence lors de l'utilisation une très faible hauteur d'eau, il fallait créer un dispositif d'évacuation de faible encombrement dans sa hauteur, facile à nettoyer pour éviter tout risque d'obturation et assurant un débit fortement accru par rapport aux dispositifs d'évacuation des eaux existants.The only problems encountered with traditional receptor tanks were more likely to result in fouling of the bungs resulting in large part from the restrictions brought by the sections for the passage of water to be evacuated, the cleaning of the vertical walls of said receptor tanks and the difficulty of access. for the shower user resulting from the large step formed by its vertical walls. The appearance of extra-flat trays that are more aesthetic, but also easier to step over and to clean, should however modify the perception of the water evacuation devices since with the need to maintain permanently during use a very low water height, it was necessary to create a drainage device of small size in its height, easy to clean to avoid any risk of clogging and ensuring a greatly increased flow compared to existing water drainage devices.
C'est ainsi par exemple que le brevet européen EP-A-0503232 (Viegener) décrit une bonde de douche à fort débit qui, grâce à une pente intégrée dans le corps de la bonde, permet d'éviter toute eau résiduelle stagnant dans le fond du corps de bonde, mais à l'exception bien entendu d'une garde minimale imposée par l'effet siphon.For example, European patent EP-A-0503232 (Viegener) describes a high flow shower drain which, thanks to a slope integrated in the body of the drain, prevents any residual water stagnating in the bottom of the drain body, but with the exception of course of a minimum guard imposed by the siphon effect.
Selon cette technique, l'eau se déverse tout autour de la paroi circulaire d'un boîtier pour arriver dans une chambre ou canal d'évacuation dont le fond plat en pente recueille les eaux et les guide de chaque côté du boîtier vers une tubulure ou canalisation d'évacuation.According to this technique, the water pours all around the circular wall of a housing to arrive in a chamber or drainage channel whose flat sloping bottom collects the water and guides it on each side of the housing to a tube or evacuation pipe.
Cette bonde de douche connue est composée d'un carter ou boîtier pourvu d'une ouverture d'amenée, d'une tubulure d'évacuation, d'une bride de fixation et d'un tube plongeur inséré dans le carter, délimitant l'ouverture d'amenée, le carter présentant en outre un canal d'évacuation entourant le carter. Le canal d'évacuation présente un fond plat incliné depuis un point haut jusqu'à un point bas opposé de sorte que ledit canal d'évacuation guide, selon deux flux distincts, l'eau se déversant tout autour du carter vers la tubulure d'évacuation.This known shower drain is composed of a casing or housing provided with a supply opening, an evacuation pipe, a fixing flange and a dip tube inserted in the casing, delimiting the feed opening, the casing further having a discharge channel surrounding the casing. The evacuation channel has a flat bottom inclined from a high point to an opposite low point so that said evacuation channel guides, in two distinct flows, the water pouring all around the casing towards the manifold. evacuation.
Ces deux flux d'eau engendrés par le canal d'évacuation s'écoulent donc de part et d'autre du carter depuis un point haut du canal diamétralement opposé à un point bas dudit canal d'évacuation où celui-ci est en liaison avec la tubulure d'évacuation.These two water flows generated by the evacuation channel therefore flow on either side of the casing from a high point of the channel diametrically opposite to a low point of said discharge channel where the latter is connected to the discharge pipe.
Bien que la pente inclinée du canal d'évacuation permette une accélération de l'écoulement de l'eau, la conception du canal d'évacuation est telle qu'elle crée deux canaux d'évacuation distincts en direction de la tubulure d'évacuation, ce qui perturbe l'entrée de l'eau dans cette tubulure d'évacuation et occasionne une réduction de la vitesse d'écoulement des eaux et donc du débit d'évacuation, les deux flux engendrés ayant tendance à se télescoper et à entraîner par turbulence une perte de charge .Although the inclined slope of the drainage channel allows an acceleration of the water flow, the design of the drainage channel is such that it creates two separate drainage channels in the direction of the drainage pipe, which disrupts the entry of water into this evacuation pipe and causes a reduction in the speed of water flow and therefore in the evacuation flow, the two generated flows tending to telescope and cause turbulence a pressure drop.
Dans le brevet européen EP-B-0365789 , on décrit une bonde de douche de structure sensiblement identique et présentant en particulier un canal d'évacuation dont le fond présente une pente inclinée depuis un point haut du canal d'évacuation jusqu'à un point bas dudit canal diamétralement opposé au point haut. Ce canal d'évacuation présente donc deux bras de guidage du flux d'eau s ' étendant de part et d'autre du boîtier depuis ce point haut du canal d'évacuation vers le point bas dudit canal où ces deux bras débouchent dans une tubulure d'évacuation.In European patent EP-B-0365789, a shower drain of substantially identical structure is described and in particular having a drainage channel whose bottom has an inclined slope from a high point of the drainage channel to a point bottom of said channel diametrically opposite to the high point. This evacuation channel therefore has two arms for guiding the flow of water extending on either side of the housing from this high point of the evacuation channel towards the low point of said channel where these two arms open into a pipe. evacuation.
Dans le modèle d'utilité allemand DE-U-9407255, on décrit également un dispositif d'évacuation des eaux comportant un canal d'évacuation annulaire entourant le carter et dont le fond est incliné depuis un point haut du canal vers un point bas dudit canal diamétralement opposé et débouchant dans une canalisation d'évacuation, ledit canal d'évacuation définissant en fait deux canaux d'évacuation.In the German utility model DE-U-9407255, there is also described a device for discharging water comprising an annular discharge channel surrounding the casing and the bottom of which is inclined from a high point of the channel to a low point of said channel. diametrically opposite channel and opening into an evacuation pipe, said evacuation channel in fact defining two evacuation channels.
De telles bondes présentent donc des inconvénients identiques à ceux précédemment évoqués.Such bumps therefore have drawbacks identical to those previously mentioned.
La présente invention a pour but principal de pallier ces inconvénients et de proposer un dispositif d'évacuation des eaux ou ensemble de vidage, en particulier pour appareils sanitaires dans lequel on obtient un écoulement accéléré de l'eau sous forme d'un flux unique s ' écoulant dans un canal d'évacuation vers une canalisation d'évacuation.The main object of the present invention is to overcome these drawbacks and to propose a device for evacuating water or emptying assembly, in particular for sanitary appliances in which an accelerated flow of water is obtained in the form of a single flow flowing in a drainage channel towards a drainage pipe.
A cet effet, l'invention a pour objet un dispositif d'évacuation des eaux, encore appelé ensemble de vidage, constitué d'un gobelet central dans lequel débouche une ouverture d'amenée des eaux recouverte d'un capot, d'un tube plongeur amovible inséré dans le gobelet central, d'une canalisation ou tubulure d'évacuation ainsi que d'un canal d'évacuation communiquant avec le gobelet central et entourant celui-ci, ledit canal d'évacuation débouchant au niveau de la tubulure d'évacuation, caractérisé en ce que ledit canal d'évacuation est unique et présente une forme hélicoïdale descendant autour du gobelet central depuis un point haut jusqu'à un point bas de communication avec la tubulure d'évacuation, lesdits points haut et bas étant sensiblement alignés selon une verticale.To this end, the subject of the invention is a water evacuation device, also called an emptying assembly, consisting of a central cup into which there opens a water supply opening covered with a cover, with a tube. removable plunger inserted into the central cup, an evacuation pipe or tubing as well as an evacuation channel communicating with and surrounding the central cup, said evacuation channel opening at the level of the discharge, characterized in that said discharge channel is unique and has a helical shape descending around the central cup from a high point to a low point of communication with the discharge pipe, said high and low points being substantially aligned in a vertical.
Ainsi de manière avantageuse, l'inclinaison du canal, en particulier du fond dudit canal, est continue tout le long dudit canal d'évacuation depuis un point haut jusqu'à un point bas, définissant ainsi un canal d'évacuation unique incliné entourant le gobelet central générant un flux unique et non pas un canal d'évacuation divisé en deux canaux inclinés de part et d'autre du gobelet central comme cela était le cas dans l'état de la technique.Thus, advantageously, the inclination of the channel, in particular of the bottom of said channel, is continuous all along said evacuation channel from a high point to a low point, thus defining a single inclined evacuation channel surrounding the central cup generating a single flow and not a discharge channel divided into two inclined channels on either side of the central cup as was the case in the prior art.
De cette manière, les eaux recueillies dans le gobelet central débordant au-dessus de la paroi verticale dudit gobelet tombent dans le canal d'évacuation où elles sont canalisées en un flux unique et mises en accélération par effet de rotation du fait du canal de forme hélicoïdale et ce, jusqu'à l'orifice de sortie du canal d'évacuation débouchant dans la tubulure ou canalisation d'évacuation.In this way, the water collected in the central cup overflowing above the vertical wall of said cup falls into the evacuation channel where they are channeled in a single flow and accelerated by the effect of rotation due to the shape channel helical to the outlet of the evacuation channel opening into the evacuation pipe or duct.
Le canal d'évacuation qui est accolé tout autour du gobelet, constitue avec ce dernier un boîtier monobloc formant corps du dispositif d'évacuation ou ensemble de vidage. Ce canal est composé d'un fond ou partie inférieure comprenant la partie externe de la paroi verticale du gobelet et une partie interne en arc de cercle ouvert vers le haut formant paroi issue du gobelet, ainsi que d'une partie supérieure comprenant la partie interne en arc de cercle tourné vers le bas de la sous-face d'un couvercle monté sur le boîtier et 1 ' extrémité supérieure de la paroi verticale du gobelet .The drainage channel which is attached all around the cup, constitutes with the latter a one-piece housing forming the body of the evacuation device or emptying assembly. This channel is composed of a bottom or lower part comprising the external part of the vertical wall of the cup and an internal part in an arc of a circle open upwards forming a wall coming from the cup, as well as an upper part comprising the internal part. in an arc facing the bottom of the underside of a cover mounted on the housing and the upper end of the vertical wall of the cup.
De préférence, le fond du gobelet central est constitué d'un cône relié à la paroi verticale périphérique dudit gobelet par un segment en arc de cercle ouvert vers le haut .Preferably, the bottom of the central cup consists of a cone connected to the peripheral vertical wall of said cup by a segment in an arc of a circle open upwards.
Grâce à cet agencement, le flux des eaux entrant dans l'ensemble de vidage par l'ouverture d'amenée et tombant à 1 ' intérieur du tube plongeur selon un mouvement vertical de chute vient buter contre le fond conique du gobelet central puis subit une rotation à 180° entre la paroi externe du tube plongeur et la paroi interne du gobelet . Le gobelet une fois rempli, les eaux débordent au-dessus de la paroi verticale dudit gobelet dans le canal d'évacuation unique pour suivre un mouvement hélicoïdal descendant imprimé au flux par le canal.Thanks to this arrangement, the flow of water entering the emptying assembly through the inlet opening and falling inside the dip tube in a vertical falling movement abuts against the conical bottom of the central cup and then undergoes a 180 ° rotation between the outer wall of the dip tube and the inner wall of the cup. Once the cup has been filled, the water overflows above the vertical wall of said cup in the single discharge channel to follow a downward helical movement imparted to the flow by the channel.
Selon une particularité de l'invention, la paroi verticale du gobelet est cylindrique afin que la majeure partie des eaux débordantes arrivent dans le canal d'évacuation de forme hélicoïdale et non directement dans l'orifice de sortie relié à la tubulure d'évacuation. De préférence, l'orifice de sortie des eaux rattaché à la tubulure d'évacuation est disposé de manière excentrée, à savoir dans le prolongement de la partie basse du canal d'évacuation de forme hélicoïdale.According to a feature of the invention, the vertical wall of the cup is cylindrical so that the major part of the overflowing water arrives in the evacuation channel of helical shape and not directly in the outlet orifice connected to the evacuation pipe. Preferably, the water outlet orifice attached to the discharge pipe is disposed eccentrically, namely in the extension of the lower part of the discharge channel of helical shape.
Toutefois, afin d'éviter toute descente directe très ponctuelle des eaux, il est possible, dans la limite de la garde d'eau imposée par le siphon, de faire varier la hauteur de la paroi verticale du gobelet en forme de tronc de cône par exemple de sorte à favoriser le débordement des eaux en partie supérieure du canal d'évacuation de forme hélicoïdale.However, in order to avoid any direct descent very point water, it is possible, within the limit of the water level imposed by the siphon, to vary the height of the vertical wall of the cup in the form of a truncated cone for example so as to favor the overflow of the water in upper part of the evacuation channel of helical shape.
Selon encore une autre particularité de l'invention, les eaux qui se déversent dans la partie supérieure du canal extérieur, sont forcées vers le cheminement hélicoïdal descendant par une cloison verticale formant about supérieur dudit canal d'évacuation de forme hélicoïdale pour favoriser le sens d'écoulement des eaux afin d'éviter toute turbulence au niveau de la communication avec la tubulure d'évacuation et obliger le flux unique à migrer dans le sens d'écoulement du canal pour y subir l'accélération recherchée.According to yet another feature of the invention, the water which flows into the upper part of the outer channel, is forced towards the downward helical path by a vertical partition forming the upper abutment of said evacuation channel of helical shape to promote the direction d flow of water in order to avoid any turbulence at the level of communication with the evacuation pipe and to force the single flow to migrate in the direction of flow of the channel in order to undergo the desired acceleration.
Un dispositif d'évacuation selon l'invention assure un débit fortement accru par rapport aux dispositifs d'évacuation des eaux existants du fait de son canal d'évacuation unique de forme hélicoïdale accélérateur de débit, ledit canal d'évacuation présentant pour un faible encombrement dans sa hauteur une longueur d ' écoulement effective plus importante permettant une meilleure accélération du débit .A drainage device according to the invention ensures a greatly increased flow rate compared to existing water drainage devices due to its unique drainage channel of helical shape accelerating flow, said drainage channel having for a small footprint in its height a longer effective flow length allowing a better acceleration of the flow.
D'autres caractéristiques et avantages de la présente invention ressortiront de la description faite ci-après en référence aux dessins annexés qui en illustrent un exemple de réalisation dépourvu de tout caractère limitatif.Other characteristics and advantages of the present invention will emerge from the description given below with reference to the appended drawings which illustrate an embodiment thereof devoid of any limiting character.
Sur les dessins :In the drawings:
La figure 1 est une coupe médiane verticale d'une bonde de douche selon l'invention, l'ensemble étant vu de face. La figure 2 est une vue en perspective de la bonde de douche de la figure 1 et de son canal d'évacuation.Figure 1 is a vertical median section of a shower drain according to the invention, the assembly being seen from the front. Figure 2 is a perspective view of the shower drain of Figure 1 and its drainage channel.
La figure 3 est une vue identique à la figure 2, mais la bonde étant démunie de tous ses éléments supérieurs .Figure 3 is a view identical to Figure 2, but the plug being deprived of all of its upper elements.
La figure 4 est une courbe de débit d'une bonde selon l'art antérieur.Figure 4 is a flow curve of a plug according to the prior art.
La figure 5 est une courbe de débit similaire à celle de la figure 4, mais avec une bonde selon l'invention.Figure 5 is a flow curve similar to that of Figure 4, but with a plug according to the invention.
En se référant à la figure 1, on voit que le dispositif d'évacuation des eaux ou ensemble de vidage des eaux, en particulier pour des appareils sanitaires, est dans le présent exemple une bonde de douche pour bac receveur extra-plat et comporte un boîtier monobloc 1 en matière plastique, préférentiellement en polypropylène, formant corps du dispositif et comprenant un gobelet central 2 autour duquel est accolé extérieurement un canal d'évacuation 3 qui présente une forme hélicoïdale débouchant sur un orifice de sortie des eaux rattaché à une canalisation ou tubulure d'évacuation 4. On remarque que ledit orifice de sortie des eaux rattaché à la tubulure ou canalisation 4 est disposé de manière excentrée, à savoir dans le prolongement de la partie basse du canal d'évacuation de forme hélicoïdale 3.Referring to FIG. 1, it can be seen that the water evacuation device or water emptying assembly, in particular for sanitary appliances, is in the present example a shower drain for an extra-flat receptacle and comprises a monobloc housing 1 made of plastic, preferably polypropylene, forming the body of the device and comprising a central cup 2 around which is externally attached a discharge channel 3 which has a helical shape opening onto a water outlet orifice attached to a pipe or evacuation pipe 4. It is noted that said water outlet orifice attached to the pipe or pipe 4 is disposed eccentrically, namely in the extension of the lower part of the evacuation channel of helical shape 3.
La bonde présente une ouverture d'amenée définie par des interstices 8 ménagés entre un capot d'ouverture 9 de la bonde et un plateau 10 portés par le boîtier 1, le plateau 10 permettant la fixation dans un bac de douche. La bonde est fixée autour de l'orifice ménagé dans le fond du bac receveur 15 à l'aide du plateau 10 vissable sur un couvercle 7 monté sur le boîtier 1. Le couvercle 7 recouvre le canal d'évacuation 3 et au moins une partie du gobelet central 2 tout en ménageant un orifice au-dessus dudit gobelet 2, le plateau se vissant de préférence sur la partie extérieure (côté orifice) dudit couvercle 7. L'étanchéité au niveau de l'orifice du bac 15 entre ces différentes pièces est alors assurée par un joint multifonctions 16 tel que décrit dans la demande de brevet français n°95/08609. Ce joint 16 qui enserre par sa lèvre supérieure et inférieure l'orifice du bac receveur 15 et la partie supérieure externe du couvercle 7, est ensuite comprimé par serrage du plateau 10. Le dispositif selon 1 ' invention peut être fixé de manière etanche de la même manière autour de l'orifice ménagé dans le fond de tout autre réceptacle tel qu'un évier, un sol, une toiture dans le cas de dispositif pour l'évacuation des eaux pluviales de toitures, etc.The drain has a feed opening defined by interstices 8 formed between an opening cover 9 of the drain and a plate 10 carried by the housing 1, the plate 10 allowing the fixing in a shower tray. The bung is fixed around the orifice made in the bottom of the receiving tank 15 using the plate 10 screwable onto a cover 7 mounted on the housing 1. The cover 7 covers the drainage channel 3 and at least a part of the central cup 2 while providing an orifice above said cup 2, the plate preferably screwing onto the outer part (orifice side) of said cover 7. The seal at the orifice of the tank 15 between these different parts is then ensured by a multifunction seal 16 as described in French patent application n ° 95/08609. This seal 16 which encloses by its upper and lower lip the orifice of the receiving tank 15 and the upper external part of the cover 7, is then compressed by tightening the plate 10. The device according to the invention can be fixed in a sealed manner from the same way around the opening in the bottom of any other receptacle such as a sink, a floor, a roof in the case of a device for evacuating rainwater from roofs, etc.
Le canal d'évacuation 3 est composé d'une partie inférieure 3 ' comprenant la partie externe de la paroi verticale 5 du gobelet 2 et la partie interne en arc de cercle 6 ' ouvert vers le haut formant paroi 6 issue du gobelet 2, ainsi que d'une partie supérieure 3'' comprenant la partie interne en arc de cercle 7'' ouvert vers le bas de la sous-face du couvercle 7 et l'extrémité supérieure de la paroi verticale 5 du gobelet 2.The discharge channel 3 is composed of a lower part 3 ′ comprising the external part of the vertical wall 5 of the cup 2 and the internal part in an arc of a circle 6 ′ open upwards forming a wall 6 coming from the cup 2, thus as an upper part 3 '' comprising the internal part in an arc 7 '' open towards the bottom of the underside of the cover 7 and the upper end of the vertical wall 5 of the cup 2.
La partie inférieure 3' du canal d'évacuation 3 est inclinée tout autour du gobelet central 2 depuis un point haut jusqu'à un point bas où ledit canal d'évacuation 3 communique avec la tubulure d'évacuation 4, le point haut et le point bas dudit canal d'évacuation 3 étant sensiblement alignés selon une verticale de telle sorte que le canal d'évacuation 3 présente une forme hélicoïdale.The lower part 3 ′ of the evacuation channel 3 is inclined all around the central cup 2 from a high point to a low point where said evacuation channel 3 communicates with the evacuation pipe 4, the high point and the low point of said discharge channel 3 being substantially aligned in a vertical so that the discharge channel 3 has a helical shape.
L'entrée du flux des eaux à l'intérieur de l'ensemble de vidage se fait par les interstices 8 ménagés entre le capot 9 et le plateau 10. Le flux chute à l'intérieur du tube plongeur 11 qui est composé d'une sorte de panier filtrant, amovible grâce à un dispositif central de préhension, disposé contre les parois verticales internes du plateau 10 .The water flow enters the emptying assembly through the interstices 8 formed between the cover 9 and the plate 10. The flow drops inside the dip tube 11 which is composed of a sort of filter basket, removable thanks to a central gripping device, placed against the internal vertical walls of the tray 10.
A l'extrémité du tube plongeur 11, le flux vient buter contre le fond conique 12 du gobelet 2 puis subit une rotation à 180° grâce à un segment en arc de cercle 13 ouvert vers le haut, ménagé entre ledit fond conique 12 et la paroi verticale 5 du gobelet 2. Le flux ainsi dévié remonte entre la paroi externe du tube plongeur 11 et la face interne de la paroi verticale 5 du gobelet 2. Ce dernier, une fois rempli, les eaux débordent au-dessus de la paroi verticale 5 dudit gobelet 2 et tombent dans le canal d'évacuation 3 de forme hélicoïdale périphérique pour suivre un mouvement descendant accélérateur vers l'orifice de sortie des eaux du canal d'évacuation 3 communiquant avec la tubulure d'évacuation 4.At the end of the dip tube 11, the flow abuts against the conical bottom 12 of the cup 2 and then undergoes a 180 ° rotation thanks to a segment in an arc of a circle 13 open upwards, formed between said conical bottom 12 and the vertical wall 5 of the cup 2. The flow thus deflected rises between the external wall of the dip tube 11 and the internal face of the vertical wall 5 of the cup 2. The latter, once filled, the water overflows above the vertical wall 5 of said cup 2 and fall into the evacuation channel 3 of peripheral helical shape to follow a descending accelerating movement towards the water outlet orifice of the evacuation channel 3 communicating with the evacuation pipe 4.
On a représenté par des flèches sur les figures 1 et 3 , le circuit suivi par le flux unique des eaux ainsi que l'effet de rotation entraîné autour du gobelet 2 par le canal d'évacuation 3 unique de forme hélicoïdale.There are shown by arrows in Figures 1 and 3, the circuit followed by the single flow of water and the effect of rotation caused around the cup 2 by the single discharge channel 3 of helical shape.
La figure 3 qui représente la seule partie inférieure 3 ' du corps de bonde montre la totalité de l'emplacement du canal hélicoïdal 3 ainsi que la cloison verticale 14 formant about supérieur de celui-ci et favorisant le sens d'écoulement dans ledit canal 3. Ainsi que cela apparaît clairement sur la figure 3, la partie la plus haute du canal 3 est sensiblement alignée selon une verticale avec la partie la plus basse dudit canal 3 à la périphérie du gobelet central 2. Ainsi, la pente du fond dudit canal 3 s'incline depuis cette partie haute jusqu'à la partie basse de manière continue et définie autour du gobelet central un canal d'évacuation 3 unique de forme hélicoïdale, définissant un flux unique de cheminement hélicoïdal.FIG. 3 which represents the only lower part 3 ′ of the plug body shows the entire location of the helical channel 3 as well as the vertical partition 14 forming the upper abutment thereof and promoting the direction of flow in said channel 3 As can be clearly seen in FIG. 3, the highest part of the channel 3 is substantially aligned in a vertical with the lowest part of said channel 3 at the periphery of the central cup 2. Thus, the slope of the bottom of said channel 3 tilts from this upper part to the lower part continuously and defined around the central cup a single discharge channel 3 of helical shape, defining a single flow of helical path.
On remarque enfin sur les figures 2 et 3 que la tubulure d'évacuation 4 de sortie des eaux est formée dans le présent exemple à l'aide d'une douille à rotule 17 munie d'un joint torique 18, d'un joint conique avec bague vissable 19 et d'un coude 4 à 135°. L'ensemble ainsi constitué peut être disposé sur la tubulure d'évacuation selon un angle variable de 30° ce qui contribue grandement à la facilité de mise en oeuvre de la bonde entre le bac receveur 15 et ladite tubulure d'évacuation 4.Finally, it is noted in FIGS. 2 and 3 that the evacuation pipe 4 for water outlet is formed in the present example using a ball socket 17 provided an O-ring 18, a conical seal with a screwable ring 19 and an elbow 4 at 135 °. The assembly thus formed can be placed on the discharge pipe at a variable angle of 30 °, which greatly contributes to the ease of implementation of the plug between the receiver tank 15 and said discharge pipe 4.
Afin de démontrer les caractéristiques hydrauliques de la bonde suivant l'invention, on a comparé en fonction du temps, la variation des hauteurs d'eau dans un bac de douche recevant différents débits d'eau. La figure 4 présente les mesures relevées dans un bac pourvu d'une bonde traditionnelle, alors que la figure 5 fait appel à une bonde suivant l'invention.In order to demonstrate the hydraulic characteristics of the drain according to the invention, the variation in the heights of water in a shower tray receiving different water flows was compared as a function of time. Figure 4 shows the measurements taken in a tank provided with a traditional drain, while Figure 5 uses a drain according to the invention.
Il en résulte que la bonde suivant 1 ' invention non seulement autorise des débits d'eau nettement plus importants qu'avec les bondes de l'art antérieur mais permet de maintenir la faible hauteur d'eau requise avec les bacs receveurs extra-plats. Il va également de soi que la vitesse accrue d'évacuation des eaux évite l'encrassement fréquent du système comme constaté dans bien des cas avec les bondes de l'art antérieur.As a result, the drain according to the invention not only authorizes much greater water flow rates than with the bungs of the prior art, but also makes it possible to maintain the low height of water required with the extra-flat receiving tanks. It also goes without saying that the increased speed of evacuation of water avoids frequent fouling of the system as observed in many cases with the bungs of the prior art.
II demeure bien entendu que cette invention n'est pas limitée à l'exemple de réalisation décrit et représenté ici mais qu'elle en englobe toutes les variantes. C'est ainsi par exemple que l'on peut envisager que l'orifice de sortie des eaux en provenance de la bonde soit prévu en partie basse du canal d'évacuation dans un plan central passant par 1 ' axe du plateau . It remains to be understood that this invention is not limited to the embodiment described and shown here but that it encompasses all variants. Thus, for example, it can be envisaged that the outlet for water coming from the drain is provided in the lower part of the discharge channel in a central plane passing through the axis of the plate.

Claims

REVENDICATIONS
1. Dispositif d'évacuation des eaux, encore appelé ensemble de vidage, constitué d'un gobelet central (2) dans lequel débouche une ouverture d ' amenée des eaux recouverte d ' un capot (9), d'un tube plongeur (11) amovible inséré dans le gobelet central (2) , d'une canalisation ou tubulure d'évacuation (4) ainsi que d'un canal d'évacuation (3) communiquant avec le gobelet central (2) et entourant celui-ci, ledit canal d'évacuation (3) débouchant au niveau de la tubulure d'évacuation (4), caractérisé en ce que ledit canal d'évacuation (3 est unique et présente une forme hélicoïdale descendant autour du gobelet central (2) depuis un point haut jusqu'à un point bas de communication avec la tubulure d'évacuation (4) , lesdits points haut et bas étant sensiblement alignés selon une verticale.1. Water evacuation device, also called emptying assembly, consisting of a central cup (2) into which opens a water inlet opening covered with a cover (9), a dip tube (11 ) removable inserted in the central cup (2), a drain pipe or tubing (4) as well as a drain channel (3) communicating with and surrounding the central cup (2), said evacuation channel (3) opening at the level of the evacuation tube (4), characterized in that said evacuation channel (3 is unique and has a helical shape descending around the central cup (2) from a high point up to a low point of communication with the evacuation pipe (4), said high and low points being substantially aligned in a vertical.
2. Dispositif selon la revendication 1, caractérisé en ce qu'une cloison verticale (14) forme about supérieur du canal d'évacuation (3) de forme hélicoïdale pour favoriser le sens d'écoulement des eaux.2. Device according to claim 1, characterized in that a vertical partition (14) forms upper end of the discharge channel (3) of helical shape to promote the direction of flow of water.
3. Dispositif selon l'une des revendications 1 et 2, caractérisé en ce que l'orifice de sortie des eaux rattaché à la tubulure d'évacuation (4) est disposé de manière excentrée, à savoir dans le prolongement de la partie basse du canal d'évacuation (3) de forme hélicoïdale.3. Device according to one of claims 1 and 2, characterized in that the water outlet orifice attached to the discharge pipe (4) is arranged eccentrically, namely in the extension of the lower part of the drainage channel (3) of helical shape.
4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le fond du gobelet (2) est constitué d'un cône (12) relié à la paroi verticale (5) dudit gobelet par un segment en arc de cercle (13) ouvert vers le haut.4. Device according to one of claims 1 to 3, characterized in that the bottom of the cup (2) consists of a cone (12) connected to the vertical wall (5) of said cup by a segment in an arc (13) open upwards.
5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que le canal d'évacuation (3) autour du gobelet (2) constitue avec ce dernier un boîtier monobloc (1) . 5. Device according to one of claims 1 to 4, characterized in that the discharge channel (3) around the cup (2) constitutes with the latter a one-piece housing (1).
6. Dispositif selon l'une des revendications 5, caractérisé en ce que le canal d'évacuation (3) est composé d'une partie inférieure (3') comprenant la partie externe (5) de la paroi verticale du gobelet (2) et une partie interne en arc de cercle (6') ouvert vers le haut formant paroi (6) issue du gobelet (2) .6. Device according to one of claims 5, characterized in that the discharge channel (3) is composed of a lower part (3 ') comprising the external part (5) of the vertical wall of the cup (2) and an inner part in an arc (6 ') open upwards forming a wall (6) coming from the cup (2).
7. Dispositif selon l'une des revendications 5 et 6, caractérisé en ce que le canal (3) est composé d'une partie supérieure (31') comprenant la partie interne en arc de cercle (7'') tournée vers le bas de la sous-face d'un couvercle (7) monté sur le boîtier (1) et l'extrémité supérieure de la paroi verticale (5) du gobelet (2) .7. Device according to one of claims 5 and 6, characterized in that the channel (3) is composed of an upper part (3 1 ') comprising the inner part in an arc (7'') facing the bottom of the underside of a cover (7) mounted on the housing (1) and the upper end of the vertical wall (5) of the cup (2).
8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est réalisé en matière plastique préférentiellement en polypropylène .8. Device according to any one of the preceding claims, characterized in that it is made of plastic material, preferably polypropylene.
9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce qu'il est fixé sur l'orifice ménagé dans le fond d'un bac receveur (15) ou de tout autre réceptacle à l'aide d'un plateau (10) vissable sur la partie extérieure (côté orifice) d'un couvercle (7) monté sur le boîtier (1) .9. Device according to one of claims 1 to 8, characterized in that it is fixed to the orifice formed in the bottom of a receiving tank (15) or any other receptacle using a tray (10) screwable onto the outer part (orifice side) of a cover (7) mounted on the housing (1).
10. Dispositif selon la revendication 9, caractérisé en ce que l'étanchéité entre l'orifice du bac receveur (15) ou de tout autre réceptacle et le couvercle (7) est assurée par compression d'un joint multifonctions (16) comprenant des lèvres supérieure et inférieure enserrant respectivement lesdits orifice et couvercle (7) . 10. Device according to claim 9, characterized in that the seal between the orifice of the receiving tank (15) or of any other receptacle and the cover (7) is ensured by compression of a multifunction seal (16) comprising upper and lower lips respectively enclosing said orifice and cover (7).
EP98955727A 1997-11-24 1998-11-24 Water draining device Expired - Lifetime EP1034337B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9714819 1997-11-24
FR9714819A FR2771431B1 (en) 1997-11-24 1997-11-24 EMPTYING ASSEMBLY FOR SANITARY APPLIANCES
PCT/FR1998/002505 WO1999027200A1 (en) 1997-11-24 1998-11-24 Water draining device

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EP1034337A1 true EP1034337A1 (en) 2000-09-13
EP1034337B1 EP1034337B1 (en) 2003-06-04

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AT (1) ATE242370T1 (en)
AU (1) AU1246499A (en)
DE (1) DE69815385T2 (en)
ES (1) ES2201553T3 (en)
FR (1) FR2771431B1 (en)
WO (1) WO1999027200A1 (en)

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DE69815385T2 (en) 2004-05-13
EP1034337B1 (en) 2003-06-04
ES2201553T3 (en) 2004-03-16
WO1999027200A1 (en) 1999-06-03
DE69815385D1 (en) 2003-07-10
FR2771431B1 (en) 1999-12-31
AU1246499A (en) 1999-06-15
FR2771431A1 (en) 1999-05-28
ATE242370T1 (en) 2003-06-15

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