EP2997199B1 - Siphon pour trop-plein de lavabo - Google Patents

Siphon pour trop-plein de lavabo Download PDF

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Publication number
EP2997199B1
EP2997199B1 EP14726097.0A EP14726097A EP2997199B1 EP 2997199 B1 EP2997199 B1 EP 2997199B1 EP 14726097 A EP14726097 A EP 14726097A EP 2997199 B1 EP2997199 B1 EP 2997199B1
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EP
European Patent Office
Prior art keywords
flap
overflow
pipe
hygiene system
pivot
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EP14726097.0A
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German (de)
English (en)
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EP2997199A1 (fr
Inventor
Hermann-Josef Sohn
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Individual
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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
    • E03C1/24—Overflow devices for basins or baths
    • E03C1/244—Separate devices to be placed on the outlet opening

Definitions

  • the system comprises a 1 to 2 cm long tube and a flap that can be rotated exactly horizontally in the middle with a pin hinge.
  • a bottom flap for partitioning off gases from the drain pipe is known.
  • the bottom flap is horizontal to the bottom aligned.
  • the part of the flap that swings outwards is heavier than the part that swings inwards into the tube so that the flap closes automatically.
  • a spring element is provided which exerts a closing force on the flap. The spring force counteracts the gravity of the water.
  • the invention is based on the object of designing and arranging an overflow hygiene system in such a way that simple installation is ensured and sufficient water drainage is ensured.
  • the flap has a rear side and a flow channel is provided on the rear side, through which water, which can be discharged from the top side of the flap via the rear side, can be conducted in a funnel or fork shape.
  • the arrangement of the flap inside the pipe leaves more space for the flap to open towards the overflow channel wall of the washbasin.
  • the flap can have a larger opening angle, which allows the flow cross-section to be maximized. Sufficient water drainage is guaranteed due to the maximum flow cross-section.
  • the maximization of the flow cross-section is supported by the positioning of the swivel axis or the swivel bearing oriented towards the center of the flap. Because the centrally arranged pivot axis is accompanied by a central arrangement of the pivot bearing within the tube.
  • the flap can be pivoted from a vertical position in which it closes the tube into a horizontal position by approximately 90 °. In the open position, it is in the center of the pipe in an orientation almost parallel to the pipe axis.
  • the flow cross-section that can be achieved by opening the flap becomes maximum.
  • the tube can have a shape aligned with the shape of the overflow hole, that is, it can also be oval or angular. However, with the proviso that the pipe axis runs horizontally at best in the area of a largest diameter. Because in this case the flap is less high than wide, so that narrow side is swung in. The flap can thus be opened to the maximum, ie at best brought into a position parallel to the pipe axis.
  • the overflow hygiene system is plugged into the overflow openings of a washbasin, bathtub, kitchen sink or bidet and fastened there. This prevents bacteria, viruses, germs and odors from escaping, which form over time in the back of overflow holes or in the overflow channel.
  • the emergency function of the overflow opening is retained by the automatic opening of the flap when the water level rises.
  • the water can be channeled to the center of the flap by means of the flow channel, so that the mass can be placed on both sides of it.
  • the flow channel can also be fork-shaped, so that the water can be guided past the center of the mass on both sides. This prevents the water from accumulating in front of the mass or the material accumulation associated with the mass.
  • the swivel bearing which is shifted forward towards the collar, achieves an increased distance between the flap and the overflow channel wall. This ensures maximum opening of the flap without bumping against the overflow channel wall or being prevented from pivoting.
  • the center of gravity is shifted downwards, so that a restoring moment is created which causes the flap to close.
  • the flap has a half H1 lying above the center m, having an upper side and a half H2 lying below the center m, having a lower side, half H2 having a greater mass than half H1. Due to the increased mass of the lower half, the center of gravity becomes even lower relocated so that an increased closing torque acts on the flap due to the pivot axis which is offset upwards in the middle or off-center.
  • the pivot bearing is formed from two pivot pins and a pair of receptacles in which the pivot pins are rotatably mounted, the pivot pin and the flap being formed in one piece or the pivot pin and the tube being formed in one piece.
  • the one-piece design prevents increased manufacturing and assembly costs. In total, only two parts, the tube with the collar and the flap, are to be manufactured and assembled.
  • the receptacle is designed as a clip bearing into which the pivot pin can be clipped. This ensures easy installation of the flap.
  • the flap can preferably be clipped in from behind so that no slits or the like would have to be placed in front of the flap and the flap completely closes the tube.
  • the tube has a tube wall extending over a circumference U1 with a tube axis and has at least one contact surface running over at least part of the circumference U1, which projects radially inwards over the tube wall against the tube axis against which the flap can be created.
  • the flap comes into contact with this contact surface in order to close the pipe.
  • the latter in the area of the top or in the area of the bottom of the flap.
  • the flap has a stop surface in the area of the upper side or in the area of the lower side, which can be sealingly placed against the contact surface of the tube wall.
  • At least one latching hook with an abutment is provided on an outside of the tube, which has a distance w from the collar in the direction of the tube axis and which is designed to be resilient in one direction radially to the tube axis, with an in In the direction of the pipe axis, positive locking can be achieved with the edge of the overflow hole. Due to the elastic design, the latch hook engages with the abutment behind the overflow hole or behind the edge of the overflow hole and generates a holding force acting in the axial direction of the pipe axis, and consequently the seat of the pipe. Decisive for the holding force is said positive engagement, which can only be canceled by a corresponding deformation of the latching hook. The clamping force of the locking hook generated in the radial direction supports the seat of the pipe with regard to the central or concentric placement in the overflow hole.
  • the abutment is designed as an edge which extends in the circumferential direction U1 over at least a partial circumference and which is set against a normal N to the pipe axis. This adjustment ensures a variation in the distance w, w 'between the edge and the collar.
  • the abutment is adapted to the different wall thicknesses of the wall of the washbasin. Due to its radial preload, the latch hook engages behind the overflow opening until said positive fit is achieved.
  • the distance w, w ' is preferably varied continuously and increases in the circumferential direction U1, so that a play-free clamping is possible.
  • the point of contact between the abutment and the wall of the washbasin varies with the wall thickness. Since both abutment points are generated on the one hand due to the symmetrical arrangement of the latching hooks and due to the approximately constant wall thickness around the overflow opening on the other hand, an optimal fit of the pipe is ensured.
  • Dismantling for cleaning is also facilitated by the continuous shape of the edge or its course. This is because the tube can be removed from the overflow opening against the elastic counterforce of the latching hook.
  • a plurality of latching hooks are provided and the abutments of the latching hooks have different distances w, w 'in the direction of the pipe axis. Due to the different spacing of the abutments, an improved adaptation to the different wall thicknesses of the wash basins is possible.
  • At least two locking hooks are preferably provided with the same spacing of the abutments, so that the at least two locking hooks ensure the fit of the tube.
  • the collar has an undercut.
  • the undercut can serve to accommodate a seal, so that the collar, despite the seal, lies directly against the wash basin or the wall.
  • the collar can also be designed as an aperture or serve to accommodate a separate aperture.
  • the back and / or the front of the flap is formed in a streamlined manner starting from the top.
  • the valve is inside the water flow and is washed around with water.
  • the streamlined design ensures maximum water drainage.
  • the overflow hygiene system 1 shown is used in an overflow hole 2.1 of a washbasin wall 2.3 of a washbasin 2 or a bath tub etc.
  • the overflow hygiene system 1 is shown in FIG Figure 1 using a seal 6 in the overflow hole 2.1 with a diameter d2 and fastened there.
  • the overflow hygiene system 1 has a round cross-sectional basic shape Q on the tube side, which corresponds to the shape of the overflow hole 2.1.
  • the overflow hygiene system 1 is formed from a pipe 1.1 having a pipe axis 1.1d with a collar 1.2 arranged on the end face and a pivotable flap 4 arranged inside the pipe 1.1.
  • the flap 4 is essentially vertical via a pivot bearing 5, starting from a not shown here aligned position into the substantially horizontally aligned position shown here.
  • the tube 1.1 At the rear end of the tube 1.1 there are two locking hooks 3 with an abutment designed as an edge 3.1 for engaging behind an edge 2.2 of the overflow hole 2.1.
  • the edge or the abutment 3.1 extends in the circumferential direction U1 of the tube 1.1 and has a radius that is larger is as the tube 1.1, so that the locking hook 3 can reach behind the sink wall 2.3.
  • a marking 7 in the form of an arrow is provided on the collar 1.2, which indicates the mandatory alignment of the overflow hygiene system 1 with respect to the pipe axis 1.1d.
  • the collar 1.2 and the tube 1.1 are formed in one piece.
  • the collar 1.2 forms an inlet opening 1.1a to the tube 1.1, which leads to the rear to an outlet opening 1.1b.
  • the pivot bearing 5 for the flap 4 is arranged within the tube 1.1 at a distance s from the collar 1.2 or at a distance s from a stop surface 1.2a of the collar 1.2.
  • the distance s is approximately one tenth of a diameter d1r of the tube 1.1.
  • the pipe 1.1 has an outer diameter D1, which corresponds to the diameter d2 of the overflow hole 2.1, so that the pipe 1.1 can be used.
  • the flap has a back 4.3 and a front 4.4.
  • the front side 4.4 closes towards the front towards the inlet opening 1.1a in the closed state, ie in a substantially vertical position of the flap 4, the inlet opening 1.1a of the pipe 1.1.
  • the tube 1.1 has a first contact surface 1.1e, which extends with respect to the pivot bearing 5 over the upper part of the inner circumference of the tube 1.1.
  • the pipe 1.1 has a second contact surface 1.1f, which extends over the lower part of the inner circumference of the pipe 1.1.
  • the flap 4 comes to bear against the two contact surfaces 1.1e, 1.1f.
  • the flap 4 additionally has a first stop surface 4.5a and a second stop surface 4.5b, each of which extends over approximately half the circumference U4 (see FIG. Figure 7 ) of the flap 4 and which bear against the contact surfaces 1.1e, 1.1f of the tube 1.1 when the flap 4 is closed.
  • An edge 3.1 'of a locking hook 3' runs, as already to Figure 2 executed with respect to locking hook 3, both in the circumferential direction U1 and at least partially in the direction of the pipe axis 1.1d or a central axis 1.1c. With respect to a normal N to the pipe axis 1.1d, the edge 3.1 is made at an angle according to Figure 5 of about 30 °. According to Figure 4 Different distances w, w 'of the abutment 3.1 from the collar 1.2 thus arise, depending on the thickness or thickness of a washbasin wall 2.3 which is engaged by the latching hook 3.
  • a pivot axis 5.3 is arranged at a distance a above the tube axis 1.1d. This results in a shift of the center of gravity of the flap 4 downwards, so that the flap 4 has the center of gravity below the pivot axis 5.3 even with a symmetrical mass distribution with respect to its center m or with respect to the pipe axis 1.1d, so that due to the Gravity creates a closing moment. Pivots 5.1, 5.1 'of flap 4 are received in receptacles 5.2, 5.2' arranged in tube 1.1.
  • the flap 4 in the area of the pivot bearing 5 has a diameter D4 which has an inner diameter d1 of the tube 1.1 as in FIG Figure 6 shown corresponds.
  • the flap 4 points in a direction perpendicular to the pivot axis 5.3 or perpendicular to the diameter d1 as in FIG Figure 3 shown the diameter d1r.
  • These two diameters of the flap 4 differ in particular in the oval configuration of the flap 4.
  • the diameter d1r is decisive for taking into account the space available for opening or swiveling the flap 4 in the direction of the central axis 1.1c backwards into the back space of the overflow hole 2.1.
  • both the basic cross-sectional shape Q of the tube 1.1 and the basic shape K of the flap 4 are circular.
  • the flap 4 detects Figure 7 an edge 4.5, which delimits the circular basic shape K.
  • the flap 4 has a diameter D4 in the direction of the pivot axis 5.3 and a diameter D4r in a direction perpendicular thereto, an intersection of the two diameters D4, D4r forming a center point m of the flap 4.
  • the pivot bearing 5 is, as already Figure 4 executed, with respect to the center m and with respect to the direction of the diameter D4r offset by a dimension e upwards.
  • the center of gravity of the flap 4 is, as already stated, below the pivot axis 5.3, which is the reason for the greater weight of the part lying below the pivot axis 5.3, and therefore the automatic closing of the flap.
  • the flap 4 on the rear side 4.3 shown here has an increased mass 4.7, 4.7 ', which additionally increases the weight below the pivot axis 5.3.
  • the two masses 4.7, 4.7 ' are arranged on both sides of the central axis 1.1c. Between them extends a flow channel 4.6, which is funnel-shaped and over the water, which after Figure 7 overflows from above via an upper side 4.1 of the flap 4 to an underside 4.2, is passed centrally through both masses 4.7, 4.7 '.
  • the flow channel 6 can also be fork-shaped, so that the water is guided to the right and left of a centrally arranged mass 4.7.
  • the abutments 3.1, 3.1 'of the two latching hooks 3, 3' have a position relative to the normal N for the purpose of adaptation to the respective wall thickness, which is engaged by the latching hooks 3, 3 ' Figure 8 the overflow hygiene system 1 locking hooks 3, 3 'of different lengths, so that the distance w, w' of the respective abutment 3.1, 3.1 'to the collar 1.2 is different. It is thereby achieved that an adaptation to the wall thickness can take place through the respective latching hook, so that one of the latching hooks achieves the desired form fit with the wall due to the distance w, w '.
  • Each latching hook 3, 3 ' is preferably provided twice over the circumference at a correspondingly equal distance w, w', in order to generate approximately symmetrical holding forces.
  • the collar 1.2 has an undercut 1.2b in which the seal 6 (see FIG. Figure 1 ) comes to rest.
  • the collar 1.2 can be positioned at least on the edge for closure directly on or at a slight distance from the sink wall 2.3.
  • Figure 9 represents the known prior art, in which the flap 4 is placed at the end in the region of an outflow opening of the tube 1.1 and is pivotally mounted on the edge of the tube 1.1.
  • the water rises in the wash basin 2 and then reaches the overflow hygiene system 1.
  • the water first presses on the lower part H2 of the closed flap 4 and opens it. If the water continues to rise, the flap 4 is opened further via the water pressure. The water flows over the lower one Part of the opening as desired in the back space of the overflow hole 2.1 and the overflow channel. If the water continues to rise, the flap 4, starting from the upper side 4.1, is washed over and additionally runs through the upper part of the opening.
  • the flap 4 closes again due to the center of gravity shifted downward and immediately offers the desired protection against bacteria and odors.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sink And Installation For Waste Water (AREA)

Claims (12)

  1. Système hygiénique de trop-plein (1) à insérer dans un trou de trop-plein (2.1) d'un cuvette de lavabo (2) avec un corps formé par un tube (1.1) présentant un axe de tube (1.1d) et une forme de base transversale Q, doté d'une ouverture d'admission (1.1a) et d'une ouverture d'évacuation (1.1b) disposée de façon décalée en direction de l'axe de tube (1.1d), dans lequel une collerette (1.2) est prévue autour de l'ouverture d'admission (1.1a) avec une surface de butée (1.2a), qui peut être appliquée directement ou indirectement contre la cuvette de lavabo (2), dans lequel un clapet (4) est prévu, au moyen duquel le tube (1.1) peut être fermé, dans lequel le clapet (4) présente un bord (4.5), qui circonscrit une forme de base géométrique K d'un diamètre D4r, qui correspond à la forme de base transversale Q du tube (1.1), dans lequel le clapet (4) est disposé au-dessus d'un palier orientable (5) présentant un axe de pivotement (5.3) à l'intérieur du tube (1.1) entre la collerette (1.2) et l'ouverture d'évacuation (1.1b), dans lequel l'axe de pivotement (5.3) est disposé à une distance a de l'axe de tube (1.1d), avec 3a <= D4r,
    caractérisé en ce
    que le clapet (4) présente une face arrière (4.3) et qu'une goulotte d'écoulement (4.6) est prévue sur la face arrière (4.3), à travers laquelle l'eau qui est évacuable à partir de la face supérieure (4.1) du clapet au-dessus de la face arrière (4.3) peut être conduite suivant un profil en forme d'entonnoir ou de fourche.
  2. Système hygiénique de trop-plein selon la revendication 1, caractérisé en ce que le tube (1.1) présente un diamètre intérieur d1 dans la zone du palier orientable (5) et un diamètre intérieur d1r dans une direction y étant perpendiculaire, dans lequel le palier orientable (5) ou l'axe de pivotement (5.3) présente une distance s par rapport à la collerette (1.2), avec 2s <= d1r.
  3. Système hygiénique de trop-plein selon l'une quelconque des revendications précédentes, caractérisé en ce
    que le clapet (4) présente une moitié H1 comprenant une face supérieure (4.1), située au-dessus d'un point central m et une moitié H2 comprenant une face inférieure (4.2) située en dessous du point central m, dans lequel la moitié H2 présente une masse supérieure à la moitié H1.
  4. Système hygiénique de trop-plein selon l'une quelconque des revendications précédentes, caractérisé en ce
    que le palier orientable (5) est formé de deux tourillons (5.1, 5.1') et d'une paire de logements (5.2, 5.2'), à l'intérieur desquels les tourillons (5.1, 5.1') sont montés de façon pivotante, dans lequel le tourillon (5.1) et le clapet (4) ou le tube (1.1) sont formés d'une seule pièce.
  5. Système hygiénique de trop-plein selon la revendication 4, caractérisé en ce que le logement (5.2, 5.2') est conçu sous la forme d'un palier à clips, dans lequel le tourillon (5.1, 5.1') est enclipsable.
  6. Système hygiénique de trop-plein selon l'une quelconque des revendications précédentes, caractérisé en ce
    que le tube (1.1) présente une paroi tubulaire (1.1) s'étendant sur une circonférence U1 avec un axe de tube (1.1d) et comporte au moins une surface d'appui (1.1e, 1.1f) se développant sur au moins une partie de la circonférence U1, qui fait saillie au-dessus de la paroi tubulaire (1.1) radialement par rapport à l'axe de tube (1.1d) vers l'intérieur, contre laquelle le clapet (4) peut être appliqué.
  7. Système hygiénique de trop-plein selon l'une des revendications précédentes, caractérisé en ce
    que deux surfaces d'appui (1.1e, 1.1f) sont prévues, qui s'étendent respectivement sur une partie de la circonférence U1, dans lequel les deux surfaces (1.1e, 1.1f) sont disposées en direction de l'axe de tube (1.1d) en étant décalées d'une cote v l'une par rapport à l'autre.
  8. Système hygiénique de trop-plein selon l'une quelconque des revendications précédentes, caractérisé en ce
    qu'au moins un crochet d'encliquetage (3) est prévu sur une face extérieure du tube (1.1) avec un contre-appui (3.1), qui présente une distance w par rapport à la collerette (1.2) en direction de l'axe de tube (1.1d) et qui est conçu de manière élastique dans une direction radiale par rapport à l'axe de tube (1.1d), dans lequel une complémentarité de forme agissant en direction de l'axe de tube (1.1d) peut être obtenue avec un bord (2.2) du trou de trop-plein (2.1) au moyen du contre-appui (3.1).
  9. Système hygiénique de trop-plein selon la revendication 8, caractérisé en ce que le contre-appui (3.1) est conçu sous la forme d'une arête, qui s'étend sur au moins une partie de la circonférence dans la direction circonférentielle U1 et qui est ajustée en regard d'une normale N par rapport à l'axe de tube (1.1d).
  10. Système hygiénique de trop-plein selon la revendication 9, caractérisé en ce que plusieurs crochets d'encliquetage (3, 3') sont prévus et les contre-appuis (3.1, 3.1') des crochets d'encliquetage (3, 3') présentent différentes distances w, w' en direction de l'axe de tube (1.1d).
  11. Système hygiénique de trop-plein selon l'une quelconque des revendications précédentes, caractérisé en ce
    que la collerette (1.2) présente une contre-dépouille (1.2b).
  12. Système hygiénique de trop-plein selon l'une quelconque des revendications précédentes, caractérisé en ce
    qu'au moins la face arrière (4.3) et/ou une face avant (4.4) du clapet (4) sont conçues sous une forme profilée à partir de la face supérieure (4.1).
EP14726097.0A 2013-05-15 2014-05-08 Siphon pour trop-plein de lavabo Active EP2997199B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202013004536U DE202013004536U1 (de) 2013-05-15 2013-05-15 Überlaufhygienesystem
PCT/EP2014/059476 WO2014184091A1 (fr) 2013-05-15 2014-05-08 Siphon pour trop-plein de lavabo

Publications (2)

Publication Number Publication Date
EP2997199A1 EP2997199A1 (fr) 2016-03-23
EP2997199B1 true EP2997199B1 (fr) 2020-06-10

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EP14726097.0A Active EP2997199B1 (fr) 2013-05-15 2014-05-08 Siphon pour trop-plein de lavabo

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EP (1) EP2997199B1 (fr)
DE (1) DE202013004536U1 (fr)
WO (1) WO2014184091A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE202013004536U1 (de) * 2013-05-15 2013-08-09 Hermann-Josef Sohn Überlaufhygienesystem

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DE202012007154U1 (de) 2012-07-24 2012-11-26 Hermann-Josef Sohn Bakterien und Geruchsstopp Überlaufklappe
US20140053923A1 (en) * 2012-08-27 2014-02-27 The Rectorseal Corporation Apparatus and Methods for Limiting or Preventing Backflow of Gas up Through a Plumbing Fixture
DE202013004536U1 (de) * 2013-05-15 2013-08-09 Hermann-Josef Sohn Überlaufhygienesystem

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Publication number Publication date
DE202013004536U1 (de) 2013-08-09
EP2997199A1 (fr) 2016-03-23
WO2014184091A1 (fr) 2014-11-20

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