FR2539778A1 - Water-flushing mechanism with self-emptying effect and variable height - Google Patents

Water-flushing mechanism with self-emptying effect and variable height Download PDF

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Publication number
FR2539778A1
FR2539778A1 FR8301200A FR8301200A FR2539778A1 FR 2539778 A1 FR2539778 A1 FR 2539778A1 FR 8301200 A FR8301200 A FR 8301200A FR 8301200 A FR8301200 A FR 8301200A FR 2539778 A1 FR2539778 A1 FR 2539778A1
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France
Prior art keywords
movable valve
water
height
tank
variable height
Prior art date
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Granted
Application number
FR8301200A
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French (fr)
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FR2539778B1 (en
Inventor
Roland Jean Pocachard
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.)
Lazer SAS
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Lazer SAS
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Priority to FR8301200A priority Critical patent/FR2539778B1/en
Publication of FR2539778A1 publication Critical patent/FR2539778A1/en
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Publication of FR2539778B1 publication Critical patent/FR2539778B1/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Float Valves (AREA)

Abstract

This water-flushing mechanism comprises a movable valve contained in an external case. This external case has a variable height in order to secure the lid and tank. The variation in height of the case simultaneously causes that of the movable valve to vary by means of a system which is undismantlable so that it cannot be misadjusted. The movable valve has, in its lower part, a nozzle whose orifice, during the emptying process, is located in the necking of the flow formed by the cap. This nozzle creates a phenomenon of lifting of the movable valve, by the combined action of the water on its profile, and of a venturi effect intended to keep, in the external case, a reduced pressure which is strong enough to compensate for the inlets of air through the connections between the fixed parts and the variable parts.

Description

L'invention se rapporte à la réalisation d'un Mécanisme de
Chasse d'eau qui présente par rapport aux modèles existants de nombreuses
innovations dont le résultat est de simplifier son installation et d'
assurer une vidange complète du réservoir.
The invention relates to the production of a
Flushing which presents compared to existing models many
innovations whose result is to simplify its installation and
ensure complete emptying of the tank.

Actuellement parmi les mécanismes à. hauteur variable permettant
la fixation du couvercle du réservoir, -le système de variation de
hauteur le plus utilisé consiste à prolonger la garniture extérieure et
la soupape mobile par une tige qui coulisse par vissage-ou dévissage.
Currently among the mechanisms at. variable height allowing
the fixing of the tank cover, the system of variation of
most used height is to extend the outer trim and
the valve movable by a rod which slides by screwing or unscrewing.

Pour que l'allongement des dieux ensembles soit simultané la Vis
de la soupape mobile passe au travers de la vis de lalgarniture extérieure
qu'elle entraîne lors du vissage ou dévissage.
So that the elongation of the gods together is simultaneous the Screw
of the movable valve passes through the screw of the outer cover
that it causes when screwing or unscrewing.

Malheureusement il arrive frequemment lors de l'installation
que la vis de la soupape mobile soit engagée prématurément par rapport à
la viS de la garniture extérieure ce qui provoque la suspension de la
soupape mobile qui n'assure plus l'étanchéité du réservoir.
Unfortunately it happens frequently during installation
the screw of the movable valve is engaged prematurely with respect to
the outer trim viS which causes the suspension to
movable valve which no longer seals the tank.

La présente invention vise un mécanisme de ce type maie résoud
ce délicat problème en solidarisant définitivement lors de la fabrication
du mécanisme les vis de la garniture extérieure et celle de la soupape
mobile. Sont également solidarisés définitivement la soupape mobile de
l'enveloppe extérieure rendant ainsi le réglage définitif etirréver'sible.
The present invention relates to a mechanism of this type which resolves
this delicate problem by permanently joining together during manufacture
of the mechanism the screws of the external trim and that of the valve
mobile. The movable valve of
the outer casing thus making the final adjustment irreversible.

Le deuxième problème auquel se heurtent les mécanismes actuels
est de ne pouvoir assurer une vidange complète du réservdir.
The second problem facing current mechanisms
is to not be able to ensure a complete emptying of the tank.

En effet pour éviter que la soupape mobile ne redescende
prématurément on a placé dans la partie inférieure immédiatement au
dessus du joint d'étanchéité un flotteur. Cependant son efficacité
cesse .lorsque le niveau d'eau devient insuffisant pour compenser le
.poids de la soupape mobile. On a pensé utiliser la dépression qui se
créée dans la garniture extérieure lors de la descente de 1'eau pour
raider la sustentation.Cependant le départ de la dépression se fait au
niveau du ,joint d'étanchéité, soit, lorsque la soupape est relevée (position de vidange) à quelques centimètres au dessus du fond du résevoir : Pendant la descente du niveau d'eau la dépression est
faible et hécessite pour etre efficace une parfaite étanchéité à l'air
dans la garniture extérieure, de plus dès que le niveau d'eau arrive à
la hauteur du joint l'air s'engouffre dans la garniture extérieure alors
qu'il reste plusieurs litres d'eau dans, le réservoir.
Indeed to prevent the movable valve from going back down
prematurely we placed in the lower part immediately at the
above the seal a float. However its effectiveness
stops when the water level becomes insufficient to compensate for the
.weight of the movable valve. We thought of using the depression that
created in the outer lining during the descent of the water to
stiffen the levitation. However the departure of the depression is done at
level of the seal, that is, when the valve is raised (emptying position) a few centimeters above the bottom of the tank: During the descent of the water level, the vacuum is
weak and needs a perfect air tightness to be effective
in the exterior trim, moreover as soon as the water level reaches
the height of the gasket the air rushes into the outer lining then
that there are several liters of water left in the tank.

L'invention se propose de favoriser la sustenta,tion de la soupape mobile par l'action hydraulique de l'écoulement et le prolongement de la période d'aspiration. Elle permet également d'accroître la dépression pour éviter l'étanchéité à l'air de la garniture extérieure, étanchéité impossible à obtenir au niveau des vis assurant la variation de hauteur. The invention proposes to promote the maintenance of the movable valve by the hydraulic action of the flow and the extension of the suction period. It also makes it possible to increase the vacuum to avoid the airtightness of the external lining, a tightness impossible to obtain at the level of the screws ensuring the variation in height.

L'invention se matérialise par le prolongement de la soupape mobile à sa partie inférieure par un c.8ne renversé, dont le profil est ,étudié, pour que l'écoulement de l'eau exerce une force ascendante sur laisoupape mobile. The invention is materialized by the extension of the movable valve at its lower part by an inverted c.8ne, the profile of which is studied, so that the flow of water exerts an ascending force on the movable valve.

L'orifice inférieur de ce cône est situé à un niveau égal ou inférieur à celui bu fond du réservoir,(lorsque la soupape mobile est en position haute (vidange), afin d'éviter toute prise d'air avant la vidange comnlè.teF.du réservoir. The lower orifice of this cone is located at a level equal to or lower than that at the bottom of the tank, (when the movable valve is in the high position (emptying), in order to avoid any air intake before the complete emptying. .from the tank.

Enfin l'orifice de ce cône est situé impérativement non pas dans le réservoir mais au départ de la tubulure d'écoulement dont la section est réduite en sorte que le flux d'écoulement crée un effet venturi générant une forte dépression dans 1a garniture extérieure susceptible de compenser.l'absence d'étanchéité à l'air. Finally, the orifice of this cone is imperatively located not in the tank but at the start of the flow tubing, the cross section of which is reduced so that the flow of flow creates a venturi effect generating a high vacuum in the external lining capable of compensate for the lack of air tightness.

D'autres particularités et avantages de l'invention-apparaîtront à la lecture de la description et des revendications qui suivent faites en regard du. dessin annexe sur lequel, à titre d'exemple non ;limitatif. Other features and advantages of the invention will become apparent on reading the description and the claims which follow made with reference to. annexed drawing in which, by way of non-limiting example.

La figure 1 est une vue du mécanisme selon l'invention. Figure 1 is a view of the mechanism according to the invention.

La figure 2 est une vue en coupe d'un mode de réalisation du système de variation de hauteur à réglage irréversible. Figure 2 is a sectional view of an embodiment of the height varying system with irreversible adjustment.

La figure 3 est une vue de la prise d'aspiration à effet venturi. Figure 3 is a view of the suction venturi effect.

Comme on le voit sur ces figures. cé mecanisme comporte un culot fixe 9 solidarisé au réservoir et comportant l'orifice de vidange seryant de siège 10 au joint de soupape 12, ainsi que les supports d' accrochage 11 de la garniture extérieure 6. La soupape mobile 5 comporte un joint d'étanchéité.l2, une zone flotteur 13 et une tige de commande 2 repliée au bouton de commande 7. As seen in these figures. this mechanism comprises a fixed base 9 secured to the reservoir and comprising the drain opening serving as a seat 10 to the valve seal 12, as well as the hanging supports 11 of the external seal 6. The movable valve 5 comprises a seal étanche.l2, a float zone 13 and a control rod 2 folded back to the control button 7.

La garniture extérieure 6 se prolonge par la tige de fixation du couvercle 3, le couvercle étant maintenu par l'enjoliveur 8. The exterior trim 6 is extended by the cover fixing rod 3, the cover being held by the trim 8.

La figure 2 montre en détail, à titre d'exemple non', limitatif d'une des formes de réalisation de l'objet de l'inventioh, un mode d' assemblage définitif de la soupape mobile dans la garniture extérieure.  FIG. 2 shows in detail, by way of nonlimiting example, one of the embodiments of the object of the invention, a mode of definitive assembly of the movable valve in the external lining.

La tige de fixation du couvercle 3 est définitivement s9lidarisée de la garniture extérieure 6 par une butéel fixe à chaque' extrémité dufiletage : Butée supérieure 14 obtenue lors du moulage de la pièce (ou par tout autre moyen .: clips - goupille ...). Butée inféri,eure 15 obtenue par la conception "Hameçon" du premier filet permettant le vissage de la tige mais pas son dévissage. Cette Butée peut être ob.tenue par. d'autres moyens : Soudure, clips, etc...  The fixing rod of the cover 3 is definitively separated from the external lining 6 by a fixed stop at each end of the thread: Upper stop 14 obtained during the molding of the part (or by any other means.: Clips - pin ...) . Lower stop, eure 15 obtained by the "Hook" design of the first net allowing the screwing of the rod but not its unscrewing. This Stop can be obtained by. other means: Soldering, clips, etc ...

La. soupape mobile est définitivement solidarisée. de la garniture extérieure de la façon suivante : La tige de commande 2 est rendue prisonnière de la tige de fixation du couvercle par le clips 16 et la Butéq 17 La longueur de la partie filetée est suffisante pour rester engagée dans la soupape mobile lorsque la Butée 15' est en contact avec la garniture extérieure - < 6).  The movable valve is permanently secured. of the external trim as follows: The control rod 2 is made captive of the cover fixing rod by the clips 16 and the stopper 17 The length of the threaded part is sufficient to remain engaged in the movable valve when the stopper 15 'is in contact with the exterior trim - <6).

Pour que la soupape mobile ne puisse etre retirée de la garniture 'extérieure' par dévissage, des ailettes de guidage sont prévues sur la garniture extérieure 18 et sur la soupape mobile 19. In order that the movable valve cannot be removed from the 'external' lining by unscrewing, guide fins are provided on the external lining 18 and on the movable valve 19.

La figure 3 est'une vue en coupe d'un mode de réalisation de la soupape mobile en sorte de bénéficier d'une sustentation par action hydraulique de l'eau, d'interdire toute prise d'air avant vidange complète du réservoir, et d'accroître l'aspiration par effet venturi. Cette vue correspond à la position de vidange (soupape mobile relevée). FIG. 3 is a cross-sectional view of an embodiment of the movable valve so as to benefit from a lifting by hydraulic action of the water, to prohibit any air intake before complete emptying of the tank, and to increase the suction by venturi effect. This view corresponds to the emptying position (mobile valve raised).

La soupape mobile 5 est prolongée'en dessous du joint 12 par un cône 20 dont l'orifice 21 se trouve en dessous du niveau du fond du réservoir 22 dans le retrécissement formé par le culot 9, au travers duquel s'effectue la vidange. L'eau exerce sur les parvis de ce cône 20 une force ascendante aidant la sustentation de la soupape mobile. The movable valve 5 is extended below the seal 12 by a cone 20, the orifice 21 of which is below the level of the bottom of the reservoir 22 in the narrowing formed by the base 9, through which the emptying takes place. The water exerts on the forecourt of this cone 20 an ascending force helping the lift of the movable valve.

L'orifice 21 se trouvant non au niveau du joint, mais à un niveau égal ou inférieur à celui du fond du réservoir 22 empêche toute entrée d'air dans la chambre 23 jusqu'à la vidange complète du réservoir. The orifice 21 being located not at the joint, but at a level equal to or lower than that of the bottom of the tank 22 prevents any entry of air into the chamber 23 until the tank is completely emptied.

De plus ce même orifice 21 aboutit dans le retrécissement forme par le culot 9 afin de générer une forte dépression par effet venturi. La puissance de cette dépression, compense ainsi les entrées d'air dans la chambre 23 qui se .produisent par les liaison$ 24 tige de fixation de couvercle/garniture extérieure et 25 tige de commlandeXtige de fixation du couvercle. In addition, this same orifice 21 ends in the narrowing formed by the base 9 in order to generate a strong depression by the venturi effect. The power of this depression, thus compensates for the air inlets in the chamber 23 which are produced by the connections $ 24 lid fixing rod / exterior trim and 25 control rod lid fixing rod.

Claims (3)

REVENDICATIONS 'quelle que soit sa hauteur. 'whatever its height. garantissant ainsi un fonctionnement toujours correct du mécanisme thus ensuring that the mechanism always functions correctly mobile est rendue détinitivement solidaire de sa garniture extérieure mobile is made permanently integral with its outer trim 1 - Mécanisme, de vidange de réservoir à hauteur variable dont la soupape 1 - Mechanism for emptying the tank with variable height including the valve 2 - Dispositif de vidage selon la revendication 1 caractérisé en ce que2 - Emptying device according to claim 1 characterized in that les parties. à hauteur variable de la garniture extérieure et de la the parts. variable height of the outer trim and the soupape mobile ne peuvent-être désolidarisées de leurs parties fixes. movable valve cannot be separated from their fixed parts. supérieure de la garniture extérieure.  top of the outer trim. suffisamment pour compenser les entrées d'air dans la partie enough to compensate for air inlets in the section effet venturi destiné à acoroitre la dépression de sustentation venturi effect intended to acoroitre the lift depression du réservoir dans une zone de retrécissement propice à générer uri  of the reservoir in a shrinking area conducive to generating uri un cône renversé dont l'orifice se trouve placé au point le plus bas an inverted cone, the orifice of which is placed at the lowest point que la soupape mobile est prolongée dans sa partie inférieure par that the movable valve is extended in its lower part by 3 - Mécanissme selon les revendications précédentes caractérisées en ce3 - Mechanism according to the preceding claims, characterized in that
FR8301200A 1983-01-25 1983-01-25 VARIABLE HEIGHT SELF-DRAINING WATER FLUSHING MECHANISM Expired FR2539778B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8301200A FR2539778B1 (en) 1983-01-25 1983-01-25 VARIABLE HEIGHT SELF-DRAINING WATER FLUSHING MECHANISM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8301200A FR2539778B1 (en) 1983-01-25 1983-01-25 VARIABLE HEIGHT SELF-DRAINING WATER FLUSHING MECHANISM

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FR2539778B1 FR2539778B1 (en) 1985-06-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580694A1 (en) * 1985-04-23 1986-10-24 Spmp Sa Flushing device with float for water-flushing tank
FR2675172A1 (en) * 1991-04-11 1992-10-16 Spmp Sa Mechanism for preventing reaspiration in a flushing system
US5228147A (en) * 1991-03-26 1993-07-20 Pablo Fominaya Agullo Hydropneumatic flusher for toilet tanks

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2035857A1 (en) * 1969-03-25 1970-12-24 Boch Freres Sa
FR2159963A5 (en) * 1971-11-05 1973-06-22 Ifoeverken Ab
FR2466574A1 (en) * 1979-09-28 1981-04-10 Dumaz Andre Flushing mechanism for water tank - includes floating element carrying washer to control tank outlet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2035857A1 (en) * 1969-03-25 1970-12-24 Boch Freres Sa
FR2159963A5 (en) * 1971-11-05 1973-06-22 Ifoeverken Ab
FR2466574A1 (en) * 1979-09-28 1981-04-10 Dumaz Andre Flushing mechanism for water tank - includes floating element carrying washer to control tank outlet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580694A1 (en) * 1985-04-23 1986-10-24 Spmp Sa Flushing device with float for water-flushing tank
US5228147A (en) * 1991-03-26 1993-07-20 Pablo Fominaya Agullo Hydropneumatic flusher for toilet tanks
FR2675172A1 (en) * 1991-04-11 1992-10-16 Spmp Sa Mechanism for preventing reaspiration in a flushing system

Also Published As

Publication number Publication date
FR2539778B1 (en) 1985-06-07

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