EP0974533A1 - Invertible fluid dispenser - Google Patents

Invertible fluid dispenser Download PDF

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Publication number
EP0974533A1
EP0974533A1 EP99401835A EP99401835A EP0974533A1 EP 0974533 A1 EP0974533 A1 EP 0974533A1 EP 99401835 A EP99401835 A EP 99401835A EP 99401835 A EP99401835 A EP 99401835A EP 0974533 A1 EP0974533 A1 EP 0974533A1
Authority
EP
European Patent Office
Prior art keywords
valve
chamber
sleeve
inlet
fluid
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.)
Withdrawn
Application number
EP99401835A
Other languages
German (de)
French (fr)
Inventor
Firmin Garcia
Michel Brunet
Aline Abergel
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.)
Aptar France SAS
Original Assignee
Valois SAS
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 Valois SAS filed Critical Valois SAS
Publication of EP0974533A1 publication Critical patent/EP0974533A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/36—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant allowing operation in any orientation, e.g. discharge in inverted position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0059—Components or details allowing operation in any orientation, e.g. for discharge in inverted position

Definitions

  • the present invention relates to a device allowing operation, both in the inverted position and in upright position, of a fluid dispenser generally comprising a fluid reservoir and a dispensing member, such as a pump or a valve.
  • a fluid dispenser generally comprising a fluid reservoir and a dispensing member, such as a pump or a valve.
  • the distributor includes generally a dip tube mounted on the inlet of the distribution and extending towards the bottom of the tank.
  • the present invention therefore relates to a device allowing the operation of such a conventional dispenser even in the inverted position.
  • Such operating devices in position are known from the prior art, and in particular from document FR-2 627 708 which describes a device to be mounted between the dip tube and the inlet of the pump or valve.
  • the device comprises two inputs, each provided with a ball valve.
  • the balls are metallic balls which are stressed by gravity on their valve seat respective. In the upright position, the ball of one of the two valves rests tightly on its valve seat, which prevents the ingress of air in the distributor. AT conversely, when the distributor is in position overturned, the ball of the other valve rests on its seat respective valve and also prevents the entry of air in the dispenser.
  • This device therefore puts in works two valves requested by gravity to close selectively an input communicating with the tank. he however, it should be noted that the design of such a device is relatively complicated because each ball has to be housed in a delimited space in which it is prisoner. Such a design requires the implementation work of at least three pieces whose assembly is very complicated.
  • the object of the present invention is to remedy the disadvantages of the prior art cited by defining a other device whose number of components is reduced to a minimum and whose assembly is very simple.
  • the present invention provides a device for operation, both in inverted position than in an upright position, a distributor of fluid product comprising a fluid reservoir, and a distribution member, such as a pump or a valve, with an inlet and a dip tube extending into the tank, said device being disposed between the inlet of the dispensing member and the dip tube, said device comprises a chamber in communication with said entrance to the distribution unit, said chamber including two selectively high and low inputs can be closed by respective top and bottom valves in depending on the upside-down or right position of the dispenser, the high valve comprising a suitable movable valve element to close the upper entrance to the chamber in the straight position, characterized in that the bottom valve includes a floating floating valve with a density lower than that of the fluid suitable for closing the lower entrance to the chamber in the inverted position when the chamber is filled with fluid product.
  • the bottom valve does not work not by gravity to close the lower entrance to the room but thanks to Archimedes' push due to its density lower than that of the fluid to be dispensed. We can so use a ball in this valve element plastic material.
  • the top valve element has a density greater than that of the fluid product.
  • the high valve element consists of a flyweight stressed by gravity, although submerged, on a valve seat high in upright position.
  • the counterweight consists of a metallic cylindrical sleeve of which a lower end is adapted to come into contact watertight with the valve seat high in the upright position.
  • the device can consist of a body and an internal sleeve fitted in said body, the tube plunger being mounted on the body and the inner sleeve being attached to the inlet of the dispensing member, the body forming the low entry and the socket the high entry, the chamber being formed between the body and the socket.
  • the upper entry in the internal socket is defined by at least one passage opening whose edges form the high valve seat on which the end bottom of the metallic cylindrical sleeve comes in tight contact in right position.
  • the internal sleeve defines an output channel of the communicating room with the entry of the distribution member, said channel exit from the chamber with a profiled mouth of so as to prevent the said element from blocking said channel floating bottom valve.
  • the low valve seat is defined by the body as a surface frusto-conical flaring upwards in an upright position. So that the device of the prior art described above puts using at least three constituent parts, it is possible to make the device according to the invention with two pieces only because the top valve element mobile is limited in its movement by the distribution.
  • the device chosen to illustrate this invention and shown in Figures 1 and 2 includes four component parts, namely two fixed parts and two moving parts. Compared to the art device previously described, this is an advantage important.
  • the two fixed parts are made up of a body substantially cylindrical 1 and an internal sleeve 2. These two pieces can be molded in plastic.
  • the body 1 is a hollow part formed by an upper cylinder 11 which extends at its lower end with a shoulder re-entering 12 from which part extends downwards frustoconical 13 which is extended by an end cylinder lower 14.
  • the body 1 therefore forms an inner shoulder 12 which defines an annular bearing surface.
  • the part tapered 13 internally defines a surface frustoconical which serves as a valve seat as we will see below.
  • the lower cylinder 14 serves as a sleeve for connection for fitting a dip tube 16.
  • the internal sleeve 2 consists of a hollow rod 21 at the lower end of which is connected a annular flange 22 which projects outwards.
  • the internal sleeve 2 thus defines an outlet channel 28.
  • the internal sleeve 2 is arranged inside the body 1 with the annular collar 22 resting on the shoulder 12.
  • This annular flange 22 fills many functions in addition to that of support in the body 1. All first, it defines with the frustoconical part 13 of the body 1 a room 15 inside which is housed a floating ball 3 for example made of plastic. When the device is in the straight position as shown in Figure 1, the ball 3 rests on its seat valve 13 without sealing, or at least not sealing perfect.
  • the floating ball 3 is also in tight contact with the frustoconical seat 13 and thus closes the low inlet to the dip tube because that the ball has a density lower than that of liquid.
  • the valve member of the present invention which allows selectively block the low input of the device towards the dip tube 16 consists of a ball preferably in plastic that floats when submerged in liquid due to of Archimedes' push. Therefore, when the device is in an upright position as shown in FIG.
  • the floating ball 3 is lifted from its seat frustoconical 13 on the one hand because it is driven by the rising flow of liquid and secondly the fact that it floats in the presence of liquid.
  • the fluid can therefore penetrate inside room 15 through the low entrance and flow from there through the outlet channel 28 formed at the inside of the rod 21 of the internal sleeve 2.
  • the inner sleeve 2 has the function 2 of delimit a space which forms a chamber 15 in which a floating ball 3 is trapped.
  • the annular collar 2 Another function of the annular collar 2 is to define a high input 25 which also communicates room 15 with the outside.
  • the high entry 25 is formed of several distributed passage openings circumferentially in the annular flange 22.
  • the 25 passage openings extend from the surface upper ring of the flange 22 downwards where they join radial grooves 26 which aim to guarantee a passage for the fluid when the ball floating 3 is pressed against the annular flange 22 as shown in figure 1.
  • this element movable valve consists of a cylindrical sleeve 4 which has a density greater than that of the fluid.
  • this cylindrical sleeve 4 is made of metal, for example steel.
  • the cylindrical metal sleeve 4 is arranged inside the upper cylinder 11 of the body 1 and concentrically around the rod 21 of the internal sleeve 2. It has a lower end 41 shaped to suit the shape of the seat 27 formed by the flange 22 of the internal sleeve 2.
  • the device according to the invention is shown mounted on a distribution member such than a pump or a valve and which is designated by the reference numeral 5 in the figures, whether it is a pump or a valve, this consists of a body of pump or valve 51 of which only the lower end has been shown in the figures.
  • the pump or valve forms a frustoconical valve seat 52 in which is housed a low valve ball 54 for example constituted of steel.
  • the body 51 forms a connection sleeve 57 which is normally adapted to the reception of a classic dip tube. This constitutes a completely classic design of a pump or valve in its lower area; the bottom valve ball 54 closing the inlet 55 of the pump or valve chamber formed by the body 51.
  • connection of the operating device in the inverted position is connects to the sleeve 57 via the rod 21 which takes the place of the classic dip tube normally inserted.
  • the rod 21 can advantageously be adapted by length so that when fully seated inside the sleeve 57, the lower end of the connection sleeve 57 abuts on the surface upper of the annular collar 22. It is essential for the invention that the internal diameter of the sleeve cylindrical metallic 4 is greater than the external diameter of the connection sleeve 57 of the body 51 so that the sleeve can move axially freely on a certain distance to allow selective opening of the upper entrance 25 of room 15.
  • displacement of the metallic cylindrical sleeve 4 is limited in height by the body 51 of the valve or of the pump 5.
  • the limitation of the displacement of the sleeve 4 is achieved by tapered part 52 of the body 51 internally forming the seat for the bottom valve ball 54.
  • the external surface 56 thus forms a stop surface against which the end upper part of the sleeve 42 abuts when the device is in its inverted position as shown in Figure 2. It is therefore not necessary that the device incorporates a particular additional room whose function is to define a stop surface for the metallic cylindrical sleeve 4. This saves a piece in the device.
  • the fluid product thus sucked off takes off the floating ball 3 from its seat 13 and the plate against the annular collar 22 in which are provided the passage grooves 26 which allow a communication between chamber 15 and outlet channel 28 which communicates with the entry 55 of the distribution unit.
  • the ball 54 of the inlet valve of the dispensing member is lifted from its seat 52 by the flow of fluid thus sucked up.
  • the ball 3 is floating which promotes its separation from the low valve seat 13.
  • the metallic cylindrical sleeve 4 leaves its seat 27 to come into abutment with its upper end 42 with the frustoconical wall 56 formed by the body 51 of the distribution member 5.
  • the upper entrance 25 of the chamber 15 is then opened. Because the distributor is in overturned position, the fluid is located in the vicinity of the distribution member and of the upper cylinder 11 of the device body. When a depression is created at inside the body of the dispensing member 5, this has for the effect of sucking fluid which follows a path as shown in Figure 2 by the arrows. The introduction of fluid inside chamber 15 has the effect of lifting the floating ball 3 which then presses tightly against its seat 13 as shown in FIG. 2. It is thus impossible to draw air through the dip tube 16 whose end is in the air.
  • the fluid product therefore passes between the upper end of the cylinder 11 and the body 51 of the dispensing member then between the sleeve 4 and the cylinder 11 then through the high entry 25 and the grooves passage 26 to reach the interior of the outlet 28 and finally penetrate inside the pump body by lifting the ball 54 from the bottom valve.
  • the floating ball 3 falls on the annular collar 22 of the inner sleeve 2.
  • this device consists of only four parts , two fixed and two mobile, including mounting is very simple since it is enough at first to place the floating ball 3 inside the body 1, then secondly insert the internal sleeve 2 inside the body 1, then finally come and place the cylindrical sleeve 4 around the sleeve 2 inside body 1.

Abstract

The dispensing valve for a liquid container has a feed chamber (15) with upper and lower openings controlled by upper (27) And lower (13) valves. The lower valve has a floating closure (3) with a lower density than the contained liquid to close the chamber when the container is filled with fluid.

Description

La présente invention concerne un dispositif permettant le fonctionnement, aussi bien en position renversée qu'en position droite, d'un distributeur de produit fluide comprenant en général un réservoir de produit fluide et un organe de distribution, tel qu'une pompe ou une valve. Bien entendu, ce dispositif ne trouve une application que dans le cas de distributeur à reprise d'air, c'est-à-dire ceux pour lesquels le produit fluide est remplacé par de l'air dans le réservoir. Pour ce faire, le distributeur comprend en général un tube plongeur monté sur l'entrée de l'organe de distribution et s'étendant vers le fond du réservoir.The present invention relates to a device allowing operation, both in the inverted position and in upright position, of a fluid dispenser generally comprising a fluid reservoir and a dispensing member, such as a pump or a valve. Well heard, this device finds an application only in the case of return air distributor, i.e. those for which the fluid product is replaced by air in the tank. To do this, the distributor includes generally a dip tube mounted on the inlet of the distribution and extending towards the bottom of the tank.

Dans un distributeur classique, il n'est pas possible de faire fonctionner le distributeur en position renversée, puisque l'extrémité libre du tube plongeur n'est plus plongée dans le produit fluide mais dans l'air présent dans le réservoir. Par conséquent, après un, deux ou trois actionnements du distributeur, il n'y a plus de distribution de produit fluide.In a conventional distributor, it is not possible to operate the dispenser in the reverse position, since the free end of the dip tube is no longer immersed in the fluid but in the air present in The reservoir. Therefore, after one, two or three distributor actuations, there is no more distribution of fluid product.

La présente invention concerne donc un dispositif permettant le fonctionnement d'un tel distributeur classique même en position renversée.The present invention therefore relates to a device allowing the operation of such a conventional dispenser even in the inverted position.

De tels dispositifs de fonctionnement en position renversée sont connus de l'art antérieur, et notamment du document FR-2 627 708 qui décrit un dispositif à monter entre le tube plongeur et l'entrée de la pompe ou de valve. le dispositif comprend deux entrées, chacune pourvue d'un clapet à bille. Les billes sont des billes métalliques qui sont sollicitées par gravité sur leur siège de clapet respectif. En position droite, la bille d'un des deux clapets repose de manière étanche sur son siège de clapet, ce qui empêche l'encrée d'air dans le distributeur. A l'inverse, lorsque le distributeur est en position renversée, la bille de l'autre clapet repose sur son siège de clapet respectif et empêche elle-aussi l'entrée d'air dans le distributeur. Ce dispositif met par conséquent en oeuvre deux clapets sollicités par gravité pour obturer sélectivement une entrée communicant avec le réservoir. Il est toutefois à noter que la conception d'un tel dispositif est relativement compliquée du fait que chaque bille doit être logée dans un espace délimité dans laquelle elle est prisonnière. Une telle conception nécessite la mise en oeuvre d'au moins trois pièces dont le montage est très compliqué.Such operating devices in position are known from the prior art, and in particular from document FR-2 627 708 which describes a device to be mounted between the dip tube and the inlet of the pump or valve. the device comprises two inputs, each provided with a ball valve. The balls are metallic balls which are stressed by gravity on their valve seat respective. In the upright position, the ball of one of the two valves rests tightly on its valve seat, which prevents the ingress of air in the distributor. AT conversely, when the distributor is in position overturned, the ball of the other valve rests on its seat respective valve and also prevents the entry of air in the dispenser. This device therefore puts in works two valves requested by gravity to close selectively an input communicating with the tank. he however, it should be noted that the design of such a device is relatively complicated because each ball has to be housed in a delimited space in which it is prisoner. Such a design requires the implementation work of at least three pieces whose assembly is very complicated.

La présente invention a pour but de remédier aux inconvénients de l'art antérieur cité en définissant une autre dispositif dont le nombre d'éléments constitutifs est réduit au minimum et dont le montage est très simple.The object of the present invention is to remedy the disadvantages of the prior art cited by defining a other device whose number of components is reduced to a minimum and whose assembly is very simple.

Pour ce faire, la présente invention propose un dispositif permettant le fonctionnement, aussi bien en position renversée qu'en position droite, d'un distributeur de produit fluide comprenant un réservoir de produit fluide, et un organe de distribution, tel qu'une pompe ou une valve, doté d'une entrée et d'un tube plongeur s'étendant dans le réservoir, ledit dispositif étant disposé entre l'entrée de l'organe de distribution et le tube plongeur, ledit dispositif comprend une chambre en communication avec ladite entrée de l'organe de distribution, ladite chambre comprenant deux entrées haute et basse sélectivement obturables par des clapets haut et bas respectifs en fonction de la position renversée ou droite du distributeur, le clapet haut comprenant un élément de clapet mobile adapté à obturer l'entrée haute de la chambre en position droite, caractérisé en ce que le clapet bas comprend un élément de clapet mobile flottant d'une densité inférieure à celle du produit fluide adapté à obturer l'entrée basse de la chambre en position renversée lorsque la chambre est remplie de produit fluide. Contrairement au dispositif de l'art antérieur décrit précédemment, le clapet bas ne fonctionne pas par gravité pour obturer l'entrée basse de la chambre mais grâce à la poussée d'Archimède en raison de sa densité inférieure à celle du produit fluide à distribuer. On peut donc utiliser pour cet élément de clapet une bille en matière plastique.To do this, the present invention provides a device for operation, both in inverted position than in an upright position, a distributor of fluid product comprising a fluid reservoir, and a distribution member, such as a pump or a valve, with an inlet and a dip tube extending into the tank, said device being disposed between the inlet of the dispensing member and the dip tube, said device comprises a chamber in communication with said entrance to the distribution unit, said chamber including two selectively high and low inputs can be closed by respective top and bottom valves in depending on the upside-down or right position of the dispenser, the high valve comprising a suitable movable valve element to close the upper entrance to the chamber in the straight position, characterized in that the bottom valve includes a floating floating valve with a density lower than that of the fluid suitable for closing the lower entrance to the chamber in the inverted position when the chamber is filled with fluid product. Unlike the art device previously described, the bottom valve does not work not by gravity to close the lower entrance to the room but thanks to Archimedes' push due to its density lower than that of the fluid to be dispensed. We can so use a ball in this valve element plastic material.

Quant au clapet haut, l'élément de clapet haut présente une densité supérieure à celle du produit fluide. Avantageusement, l'élément de clapet haut consiste en une masselotte sollicitée par gravité, bien qu'immergée, sur un siège de clapet haut en position droite. De préférence, la masselotte consiste en un manchon cylindrique métallique dont une extrémité inférieure est adaptée à venir en contact étanche avec le siège de clapet haut en position droite. Dans ce cas, le dispositif peut être constitué d'un corps et d'une douille interne emmanchée dans ledit corps, le tube plongeur étant monté sur le corps et la douille interne étant fixée à l'entrée de l'organe de distribution, le corps formant l'entrée basse et la douille l'entrée haute, la chambre étant formée entre le corps et la douille. Avantageusement, l'entrée haute dans la douille interne est définie par au moins une ouverture de passage dont les bords forment le siège de clapet haut sur lequel l'extrémité inférieure du manchon cylindrique métallique vient en contact étanche en position droite.As for the top valve, the top valve element has a density greater than that of the fluid product. Advantageously, the high valve element consists of a flyweight stressed by gravity, although submerged, on a valve seat high in upright position. Preferably, the counterweight consists of a metallic cylindrical sleeve of which a lower end is adapted to come into contact watertight with the valve seat high in the upright position. In this case, the device can consist of a body and an internal sleeve fitted in said body, the tube plunger being mounted on the body and the inner sleeve being attached to the inlet of the dispensing member, the body forming the low entry and the socket the high entry, the chamber being formed between the body and the socket. Advantageously, the upper entry in the internal socket is defined by at least one passage opening whose edges form the high valve seat on which the end bottom of the metallic cylindrical sleeve comes in tight contact in right position.

Selon une autre caractéristique, la douille interne définit un canal de sortie de la chambre en communication avec l'entrée de l'organe de distribution, ledit canal de sortie de la chambre présentant une embouchure profilée de manière à empêcher l'obturation dudit canal par l'élément de clapet bas flottant. D'autre part, le siège de clapet bas est défini par le corps sous la forme d'une surface tronconique s'évasant vers le haut en position droite. Alors que le dispositif de l'art antérieur décrit précédemment met en oeuvre au moins trois pièces constitutives, il est possible de réaliser le dispositif selon l'invention avec deux pièces uniquement du fait que l'élément de clapet haut mobile est limité dans son déplacement par l'organe de distribution. According to another characteristic, the internal sleeve defines an output channel of the communicating room with the entry of the distribution member, said channel exit from the chamber with a profiled mouth of so as to prevent the said element from blocking said channel floating bottom valve. On the other hand, the low valve seat is defined by the body as a surface frusto-conical flaring upwards in an upright position. So that the device of the prior art described above puts using at least three constituent parts, it is possible to make the device according to the invention with two pieces only because the top valve element mobile is limited in its movement by the distribution.

L'invention sera maintenant plus amplement décrite en référence aux dessins joints donnant à titre d'exemple non limitatif un mode de réalisation de l'invention.The invention will now be described more fully in reference to the accompanying drawings giving by way of example no limiting an embodiment of the invention.

Sur les dessins :

  • la figure 1 est une vue en coupe transversale à travers un dispositif selon la présente invention en position droite,
  • la figure 2 est une vue du dispositif de la figure en position renversée.
In the drawings:
  • FIG. 1 is a cross-sectional view through a device according to the present invention in an upright position,
  • Figure 2 is a view of the device of the figure in the inverted position.

Le dispositif choisi pour illustrer la présente invention et représenté sur les figures 1 et 2 comprend quatre pièces constitutives, à savoir deux pièces fixes et deux pièces mobiles. Par rapport au dispositif de l'art antérieur décrit précédemment, cela constitue un avantage important. Les deux pièces fixes sont constituées d'un corps sensiblement cylindrique 1 et d'une douille interne 2. Ces deux pièces peuvent être moulées en plastique. Le corps 1 est une pièce creuse formée d'un cylindre supérieur 11 qui se prolonge à son extrémité inférieure par un épaulement rentrant 12 à partir duquel s'étend vers le bas une partie tronconique 13 qui se prolonge par un cylindre d'extrémité inférieure 14. Le corps 1 forme donc un épaulement intérieur 12 qui définit une surface annulaire d'appui. La partie tronconique 13 définit intérieurement une surface tronconique qui sert de siège de clapet comme on le verra ci-après. Le cylindre inférieur 14 sert de manchon de raccordement pour l'emmanchage d'un tube plongeur 16.The device chosen to illustrate this invention and shown in Figures 1 and 2 includes four component parts, namely two fixed parts and two moving parts. Compared to the art device previously described, this is an advantage important. The two fixed parts are made up of a body substantially cylindrical 1 and an internal sleeve 2. These two pieces can be molded in plastic. The body 1 is a hollow part formed by an upper cylinder 11 which extends at its lower end with a shoulder re-entering 12 from which part extends downwards frustoconical 13 which is extended by an end cylinder lower 14. The body 1 therefore forms an inner shoulder 12 which defines an annular bearing surface. The part tapered 13 internally defines a surface frustoconical which serves as a valve seat as we will see below. The lower cylinder 14 serves as a sleeve for connection for fitting a dip tube 16.

La douille interne 2 est constituée d'une tige creuse 21 à l'extrémité inférieure de laquelle se raccorde une collerette annulaire 22 qui fait saillie vers l'extérieur. La douille interne 2 définit ainsi un canal de sortie 28. La douille interne 2 est disposée à l'intérieur du corps 1 avec la collerette annulaire 22 en appui sur l'épaulement 12. Cette collerette annulaire 22 remplit de nombreuses fonctions en plus de celle d'appui dans le corps 1. Tout d'abord, elle définit avec la partie tronconique 13 du corps 1 une chambre 15 à l'intérieur de laquelle est logée une bille flottante 3 par exemple constituée de plastique. Lorsque le dispositif est en position droite comme représenté sur la figure 1, la bille 3 repose sur son siège de clapet 13 sans étanchéité, ou du moins pas une étanchéité parfaite. En revanche, lorsque la chambre 15 est remplie de liquide et que le dispositif est en position renversée comme représenté sur la figure 2, la bille flottante 3 est également en contact étanche avec le siège tronconique 13 et obture ainsi l'entrée basse vers le tube plongeur du fait que la bille présente une densité inférieure à celle du liquide. Contrairement à la plupart des organes de clapet qui sont en général constitués d'une bille en acier, l'organe de clapet de la présente invention qui permet d'obturer sélectivement l'entrée basse du dispositif vers le tube plongeur 16 est constitué d'une bille de préférence en plastique qui flotte lorsqu'immergée dans un liquide du fait de la poussée d'Archimède. De ce fait, lorsque le dispositif est en position droite comme représenté sur la figure 1, et que du produit fluide est aspiré à travers le tube plongeur 16, la bille flottante 3 est soulevée de son siège tronconique 13 d'une part du fait qu'elle est entraínée par le flux montant de liquide et d'autre part du fait qu'elle flotte en présence de liquide. Le fluide peut donc pénétrer à l'intérieur de la chambre 15 à travers l'entrée basse et s'écouler de là à travers le canal de sortie 28 formé à l'intérieur de la tige 21 de la douille interne 2. Par conséquent la douille interne 2 a pour fonction 2 de délimiter un espace qui forme une chambre 15 dans laquelle une bille flottante 3 est prisonnière.The internal sleeve 2 consists of a hollow rod 21 at the lower end of which is connected a annular flange 22 which projects outwards. The internal sleeve 2 thus defines an outlet channel 28. The internal sleeve 2 is arranged inside the body 1 with the annular collar 22 resting on the shoulder 12. This annular flange 22 fills many functions in addition to that of support in the body 1. All first, it defines with the frustoconical part 13 of the body 1 a room 15 inside which is housed a floating ball 3 for example made of plastic. When the device is in the straight position as shown in Figure 1, the ball 3 rests on its seat valve 13 without sealing, or at least not sealing perfect. On the other hand, when room 15 is filled with liquid and the device is in the inverted position as shown in Figure 2, the floating ball 3 is also in tight contact with the frustoconical seat 13 and thus closes the low inlet to the dip tube because that the ball has a density lower than that of liquid. Unlike most valve bodies which generally consist of a steel ball, the valve member of the present invention which allows selectively block the low input of the device towards the dip tube 16 consists of a ball preferably in plastic that floats when submerged in liquid due to of Archimedes' push. Therefore, when the device is in an upright position as shown in FIG. 1, and fluid is sucked through the dip tube 16, the floating ball 3 is lifted from its seat frustoconical 13 on the one hand because it is driven by the rising flow of liquid and secondly the fact that it floats in the presence of liquid. The fluid can therefore penetrate inside room 15 through the low entrance and flow from there through the outlet channel 28 formed at the inside of the rod 21 of the internal sleeve 2. By therefore the inner sleeve 2 has the function 2 of delimit a space which forms a chamber 15 in which a floating ball 3 is trapped.

Une autre fonction de la collerette annulaire 2 est de définir une entrée haute 25 qui fait également communiquer la chambre 15 avec l'extérieur. L'entrée haute 25 est formée de plusieurs ouvertures de passage réparties circonférentiellement dans la collerette annulaire 22. Les ouvertures de passage 25 s'étendent depuis la surface annulaire supérieure de la collerette 22 vers le bas où elles rejoignent des saignées radiales 26 qui ont pour but de garantir un passage pour le fluide lorsque la bille flottante 3 est plaquée contre la collerette annulaire 22 comme représenté sur la figure 1.Another function of the annular collar 2 is to define a high input 25 which also communicates room 15 with the outside. The high entry 25 is formed of several distributed passage openings circumferentially in the annular flange 22. The 25 passage openings extend from the surface upper ring of the flange 22 downwards where they join radial grooves 26 which aim to guarantee a passage for the fluid when the ball floating 3 is pressed against the annular flange 22 as shown in figure 1.

Selon l'invention, les bords des ouvertures de passage 25 définissent un siège de clapet annulaire 27 visible sur la figure 2. Ce siège de clapet annulaire coopère avec un élément de clapet mobile 4 adapté à venir en contact étanche avec le siège 27 ainsi formé. Selon l'invention, cet élément de clapet mobile consiste en un manchon cylindrique 4 qui présente une densité supérieure à celle du fluide. De préférence, ce manchon cylindrique 4 est réalisé en métal, par exemple de l'acier. Le manchon métallique cylindrique 4 est disposé à l'intérieur du cylindre supérieur 11 du corps 1 et de manière concentrique autour de la tige 21 de la douille interne 2. Il présente une extrémité inférieure 41 profilée de manière adaptée à la forme du siège 27 formée par la collerette 22 de la douille interne 2. Par conséquent, lorsque le dispositif est en position droite comme représenté sur la figure 1, l'entrée haute 25 de la chambre 5 est obturée de manière étanche par le manchon cylindrique métallique 4, indépendamment du fait qu'il soit immergé ou non dans le liquide. En revanche, dès que le dispositif est dans sa position renversée comme représenté sur la figure 2, le manchon métallique cylindrique du fait de la pesanteur quitte son siège 27 de sorte que l'entrée haute 25 est ouverte et le liquide peut pénétrer à l'intérieur de la chambre 15 à travers l'entrée haute 25 à partir de l'extrémité du cylindre supérieur 11 comme représenté par les flèches d'écoulement sur la figure 2.According to the invention, the edges of the passage openings 25 define an annular valve seat 27 visible on Figure 2. This annular valve seat cooperates with a movable valve member 4 adapted to come into tight contact with the seat 27 thus formed. According to the invention, this element movable valve consists of a cylindrical sleeve 4 which has a density greater than that of the fluid. Of preferably, this cylindrical sleeve 4 is made of metal, for example steel. The cylindrical metal sleeve 4 is arranged inside the upper cylinder 11 of the body 1 and concentrically around the rod 21 of the internal sleeve 2. It has a lower end 41 shaped to suit the shape of the seat 27 formed by the flange 22 of the internal sleeve 2. By therefore, when the device is in an upright position as shown in Figure 1, the upper entry 25 of the chamber 5 is sealed by the sleeve cylindrical metal 4, regardless of whether it is submerged or not in the liquid. However, as soon as the device is in its inverted position as shown in FIG. 2, the cylindrical metal sleeve due to of gravity leaves its seat 27 so that the entrance high 25 is open and liquid can enter inside chamber 15 through high entrance 25 to from the end of the upper cylinder 11 as represented by the flow arrows in Figure 2.

Sur les figures 1 et 2, le dispositif selon l'invention est représenté monté sur un organe de distribution tel qu'une pompe ou une valve et qui est désigné par la référence numérique 5 sur les figures, Qu'il s'agisse d'une pompe ou d'une valve, celle-ci est constituée d'un corps de pompe ou de valve 51 dont uniquement l'extrémité inférieure a été représentée sur les figures. Le corps de pompe ou de valve forme un siège de clapet tronconique 52 dans lequel est logée une bille de clapet bas 54 par exemple constituée d'acier. En dessous du siège de clapet 52, le corps 51 forme un manchon de raccordement 57 qui est normalement adapté à la réception d'un tube plongeur classique. Ceci constitue une conception tout à fait classique d'une pompe ou d'une valve dans sa zone inférieure ; la bille de clapet bas 54 obturant l'entrée 55 de la chambre de pompe ou de valve formée par le corps 51. Selon l'invention, le raccordement du dispositif de fonctionnement en position renversée se raccorde sur le manchon 57 par l'intermédiaire de la tige 21 qui prend la place du tube plongeur classique normalement inséré. La tige 21 peut avantageusement être adaptée en longueur de sorte que lorsqu'elle est complètement emmanchée à l'intérieur du manchon 57, l'extrémité inférieure du manchon de raccordement 57 vient en butée sur la surface supérieure de la collerette annulaire 22. Il est essentiel pour l'invention que le diamètre interne du manchon métallique cylindrique 4 soit supérieur au diamètre externe du manchon de raccordement 57 du corps 51 afin que le manchon puisse se déplacer axialement librement sur une certaine distance pour permettre l'ouverture sélective de l'entrée haute 25 de la chambre 15. Selon une caractéristique particulièrement avantageuse et qui permet notamment une réduction du nombre de pièces, le déplacement du manchon cylindrique métallique 4 est limité en hauteur par le corps 51 de la valve ou de la pompe 5. Dans la forme de réalisation représentée sur les figures 1 et 2, la limitation du déplacement du manchon 4 est réalisée par la partie tronconique 52 du corps 51 formant intérieurement le siège pour la bille de clapet bas 54. La surface externe 56 forme ainsi une surface de butée contre laquelle l'extrémité supérieure du manchon 42 vient en butée lorsque le dispositif est dans sa position renversée comme représenté sur la figure 2. Il n'est donc pas nécessaire que le dispositif incorpore une pièce supplémentaire particulière dont la fonction est de définir une surface de butée pour le manchon cylindrique métallique 4. On économise ainsi une pièce dans le dispositif.In Figures 1 and 2, the device according to the invention is shown mounted on a distribution member such than a pump or a valve and which is designated by the reference numeral 5 in the figures, whether it is a pump or a valve, this consists of a body of pump or valve 51 of which only the lower end has been shown in the figures. The pump or valve forms a frustoconical valve seat 52 in which is housed a low valve ball 54 for example constituted of steel. Below the valve seat 52, the body 51 forms a connection sleeve 57 which is normally adapted to the reception of a classic dip tube. This constitutes a completely classic design of a pump or valve in its lower area; the bottom valve ball 54 closing the inlet 55 of the pump or valve chamber formed by the body 51. According to the invention, the connection of the operating device in the inverted position is connects to the sleeve 57 via the rod 21 which takes the place of the classic dip tube normally inserted. The rod 21 can advantageously be adapted by length so that when fully seated inside the sleeve 57, the lower end of the connection sleeve 57 abuts on the surface upper of the annular collar 22. It is essential for the invention that the internal diameter of the sleeve cylindrical metallic 4 is greater than the external diameter of the connection sleeve 57 of the body 51 so that the sleeve can move axially freely on a certain distance to allow selective opening of the upper entrance 25 of room 15. According to a particularly advantageous characteristic which allows including a reduction in the number of parts, displacement of the metallic cylindrical sleeve 4 is limited in height by the body 51 of the valve or of the pump 5. In the form shown in Figures 1 and 2, the limitation of the displacement of the sleeve 4 is achieved by tapered part 52 of the body 51 internally forming the seat for the bottom valve ball 54. The external surface 56 thus forms a stop surface against which the end upper part of the sleeve 42 abuts when the device is in its inverted position as shown in Figure 2. It is therefore not necessary that the device incorporates a particular additional room whose function is to define a stop surface for the metallic cylindrical sleeve 4. This saves a piece in the device.

Il sera maintenant brièvement décrit successivement en référence aux figures 1 et 2 le fonctionnement du dispositif respectivement en position droite et en position renversée. Lorsque le distributeur de produit fluide incorporant un dispositif selon l'invention est maintenu en position droite comme représenté sur la figure 1, l'entrée haute 25 de la chambre 15 est obturée de manière étanche par l'extrémité inférieure du manchon cylindrique 4 qui repose sur le siège de clapet 27. Le tube plongeur 16 se prolonge à l'intérieur du produit fluide de sorte qu'une dépression créée à l'intérieur de l'organe de distribution 5 a pour effet de générer une aspiration qui engendre une remontée de produit fluide à l'intérieur du tube plongeur 16. Le produit fluide ainsi aspiré décolle la bille flottante 3 de son siège 13 et la plaque contre la collerette annulaire 22 dans laquelle sont ménagées les saignées de passage 26 qui permettent une communication entre la chambre 15 et le canal de sortie 28 qui communique avec l'entrée 55 de l'organe de distribution. De la même manière, la bille 54 du clapet d'entrée de l'organe de distribution est soulevée de son siège 52 par le flux de produit fluide ainsi aspiré. A la différence de la bille du clapet bas 54 de l'organe de distribution 5, la bille 3 est flottante ce qui favorise son décollement du siège de clapet bas 13. A l'inverse, lorsque le distributeur est maintenu en position renversée comme représenté sur la figure 2, le manchon cylindrique métallique 4 quitte son siège 27 pour venir en butée avec son extrémité supérieure 42 avec la paroi tronconique 56 que forme le corps 51 de l'organe de distribution 5. L'entrée haute 25 de la chambre 15 est alors ouverte. Du fait que le distributeur est en position renversée, le produit fluide est situé au voisinage de l'organe de distribution et du cylindre supérieur 11 du corps du dispositif. Lorsqu'une dépression est créée à l'intérieur du corps de l'organe de distribution 5, ceci a pour effet d'aspirer du produit fluide qui suit un cheminement comme représenté sur la figure 2 par les flèches. L'introduction de produit fluide à l'intérieur de la chambre 15 a pour effet de soulever la bille flottante 3 qui vient alors se plaquer de manière étanche contre son siège 13 comme représenté sur la figure 2. Il est ainsi impossible d'aspirer de l'air à travers le tube plongeur 16 dont l'extrémité est en l'air. Le produit fluide passe donc entre l'extrémité supérieure du cylindre 11 et le corps 51 de l'organe de distribution puis entre le manchon 4 et le cylindre 11 puis à travers l'entrée haute 25 et les saignées de passage 26 pour parvenir à l'intérieur du conduit de sortie 28 et enfin pénétrer à l'intérieur du corps de pompe en soulevant la bille 54 du clapet bas. Dès que l'aspiration est terminée, et que la chambre 15 n'est plus remplie de produit fluide, la bille flottante 3 retombe sur la collerette annulaire 22 de la douille interne 2.It will now be briefly described successively in reference to Figures 1 and 2 the operation of the device respectively in the upright position and in the inverted position. When the fluid dispenser incorporating a device according to the invention is kept in an upright position as shown in Figure 1, the upper entry 25 of the chamber 15 is sealed off at the end bottom of cylindrical sleeve 4 which rests on the seat valve 27. The dip tube 16 extends inside of the fluid so that a vacuum created at the interior of the distribution member 5 has the effect of generate a suction which generates a product rise fluid inside the dip tube 16. The fluid product thus sucked off takes off the floating ball 3 from its seat 13 and the plate against the annular collar 22 in which are provided the passage grooves 26 which allow a communication between chamber 15 and outlet channel 28 which communicates with the entry 55 of the distribution unit. In the same way, the ball 54 of the inlet valve of the dispensing member is lifted from its seat 52 by the flow of fluid thus sucked up. Unlike the ball of the bottom valve 54 of the dispensing member 5, the ball 3 is floating which promotes its separation from the low valve seat 13. Conversely, when the distributor is kept in the inverted position as shown in the Figure 2, the metallic cylindrical sleeve 4 leaves its seat 27 to come into abutment with its upper end 42 with the frustoconical wall 56 formed by the body 51 of the distribution member 5. The upper entrance 25 of the chamber 15 is then opened. Because the distributor is in overturned position, the fluid is located in the vicinity of the distribution member and of the upper cylinder 11 of the device body. When a depression is created at inside the body of the dispensing member 5, this has for the effect of sucking fluid which follows a path as shown in Figure 2 by the arrows. The introduction of fluid inside chamber 15 has the effect of lifting the floating ball 3 which then presses tightly against its seat 13 as shown in FIG. 2. It is thus impossible to draw air through the dip tube 16 whose end is in the air. The fluid product therefore passes between the upper end of the cylinder 11 and the body 51 of the dispensing member then between the sleeve 4 and the cylinder 11 then through the high entry 25 and the grooves passage 26 to reach the interior of the outlet 28 and finally penetrate inside the pump body by lifting the ball 54 from the bottom valve. As soon as the suction is finished, and that chamber 15 is no longer filled with fluid product, the floating ball 3 falls on the annular collar 22 of the inner sleeve 2.

Grâce au dispositif de l'invention, il est possible d'utiliser un distributeur de produit fluide dans n'importe quelle position. En outre, il doit être noté que ce dispositif n'est constitué que de quatre pièces constitutives, deux fixes et deux mobiles, dont le montage est très simple puisqu'il suffit dans un premier temps de déposer la bille flottante 3 à l'intérieur du corps 1, puis de venir dans un deuxième temps insérer la douille interne 2 à l'intérieur du corps 1, puis enfin de venir placer le manchon cylindrique 4 autour de la douille 2 à l'intérieur du corps 1.Thanks to the device of the invention, it is possible to use a fluid dispenser in any which position. In addition, it should be noted that this device consists of only four parts , two fixed and two mobile, including mounting is very simple since it is enough at first to place the floating ball 3 inside the body 1, then secondly insert the internal sleeve 2 inside the body 1, then finally come and place the cylindrical sleeve 4 around the sleeve 2 inside body 1.

Claims (11)

Dispositif permettant le fonctionnement, aussi bien en position renversée qu'en position droite, d'un distributeur de produit fluide comprenant un réservoir de produit fluide, et un organe de distribution (5), tel qu'une pompe ou une valve, doté d'une entrée (55) et d'un tube plongeur (16) s'étendant dans le réservoir, ledit dispositif étant disposé entre l'entrée (55) de l'organe de distribution (5) et le tube plongeur (16), ledit dispositif comprend une chambre (15) en communication avec ladite entrée (55) de l'organe de distribution (5), ladite chambre comprenant deux entrées haute (25) et basse (17) sélectivement obturables par des clapets haut (4, 27) et bas (3, 13) respectifs en fonction de la position renversée ou droite du distributeur, le clapet haut comprenant un élément de clapet mobile (4) adapté à obturer l'entrée haute (25) de la chambre (15) en position droite, caractérisé en ce que le clapet bas comprend un élément de clapet mobile flottant (3) d'une densité inférieure à celle du produit fluide adapté à obturer l'entrée basse (17) de la chambre (15) en position renversée lorsque la chambre est remplie de produit fluide.Operating device, as well in an inverted position than in an upright position, by fluid dispenser comprising a reservoir of fluid product, and a dispensing member (5), such as a pump or valve, having an inlet (55) and a tube plunger (16) extending into the tank, said device being disposed between the inlet (55) of the distribution (5) and the dip tube (16), said device comprises a chamber (15) in communication with said inlet (55) of the distribution member (5), said chamber comprising two high (25) and low (17) inputs selectively closable by top (4, 27) and bottom valves (3, 13) respectively depending on the inverted position or dispenser right, the top valve comprising an element movable valve (4) adapted to close the upper inlet (25) of the chamber (15) in an upright position, characterized in that the bottom valve includes a movable floating valve member (3) of a density lower than that of the fluid product adapted to close the lower inlet (17) of the chamber (15) in position overturned when the chamber is filled with fluid. Dispositif selon la revendication 1, dans lequel l'élément de clapet bas (3), lorsqu'immergé dans le produit fluide, est sollicité par la poussée d'Archimède sur un siège (13) de clapet bas.The device of claim 1, wherein the bottom valve element (3), when immersed in the product fluid, is stressed by Archimedes' push on a low valve seat (13). Dispositif selon la revendication 1 ou 2, dans lequel l'élément de clapet bas consiste en une bille (3) en matière plastique.Device according to claim 1 or 2, in which the bottom valve member consists of a ball (3) made of plastic material. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'élément de clapet haut (4) présente une densité supérieure à celle du produit fluide.Device according to any one of the claims previous, in which the top valve element (4) has a density greater than that of the fluid product. Dispositif selon la revendication 4, dans lequel l'élément de clapet haut consiste en une masselotte (4) sollicitée par gravité, bien qu'immergée, sur un siège (27) de clapet haut en position droite. The device of claim 4, wherein the high valve element consists of a counterweight (4) stressed by gravity, although submerged, on a seat (27) valve top in right position. Dispositif selon la revendication 5, dans lequel la masselotte consiste en un manchon cylindrique métallique (4) dont une extrémité inférieure (41) est adaptée à venir en contact étanche avec le siège (27) de clapet haut en position droite.Device according to claim 5, in which the counterweight consists of a cylindrical metallic sleeve (4) a lower end (41) of which is adapted to come in tight contact with the valve seat (27) up upright position. Dispositif selon l'une quelconque des revendications précédentes, constitué d'un corps (1) et d'une douille interne (2) emmanchée dans ledit corps, le tube plongeur (16) étant monté sur le corps (1) et la douille interne (2) étant fixée à l'entrée (55) de l'organe de distribution (5), le corps (1) formant l'entrée basse (17) et la douille (2) l'entrée haute (25), la chambre (15) étant formée entre le corps (1) et la douille (2).Device according to any one of the claims previous, consisting of a body (1) and a socket internal (2) fitted into said body, the dip tube (16) being mounted on the body (1) and the internal sleeve (2) being attached to the inlet (55) of the distribution member (5), the body (1) forming the low entry (17) and the sleeve (2) the upper inlet (25), the chamber (15) being formed between the body (1) and the socket (2). Dispositif selon les revendications 6 et 7, dans lequel l'entrée haute (25) dans la douille interne (2) est définie par au moins une ouverture de passage dont les bords forment le siège (27) de clapet haut sur lequel l'extrémité inférieure (41) du manchon cylindrique métallique (4) vient en contact étanche en position droite.Device according to claims 6 and 7, in which the upper inlet (25) in the internal sleeve (2) is defined by at least one passage opening whose edges form the high valve seat (27) on which the end lower (41) of the metallic cylindrical sleeve (4) comes in tight contact in the straight position. Dispositif selon la revendication 7 ou 8, dans lequel la douille interne (2) définit un canal de sortie (28) de la chambre (15) en communication avec l'entrée (55) de l'organe de distribution (5), ledit canal de sortie (28) de la chambre présentant une embouchure (26) profilée de manière à empêcher l'obturation dudit canal (28) par l'élément de clapet bas flottant (3).Device according to claim 7 or 8, in which the inner sleeve (2) defines an outlet channel (28) of the chamber (15) in communication with the entrance (55) of the distribution member (5), said outlet channel (28) of the chamber having a profiled mouth (26) so as to prevent the obstruction of said channel (28) by the floating bottom valve member (3). Dispositif selon les revendications 2 et 7, dans lequel le siège de clapet bas (13) est défini par le corps (1) sous la forme d'une surface tronconique s'évasant vers le haut en position droite.Device according to claims 2 and 7, in which the low valve seat (13) is defined by the body (1) in the form of a frustoconical surface widening towards the top in an upright position. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'élément de clapet haut mobile (4) est limité dans son déplacement par l'organe de distribution (5).Device according to any one of previous claims, wherein the valve member high mobile (4) is limited in its movement by the organ distribution (5).
EP99401835A 1998-07-23 1999-07-21 Invertible fluid dispenser Withdrawn EP0974533A1 (en)

Applications Claiming Priority (2)

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FR9809411 1998-07-23
FR9809411A FR2781467B1 (en) 1998-07-23 1998-07-23 DEVICE ENABLING THE OPERATION OF A FLUID PRODUCT DISPENSER IN THE UPRIGHT AND INVERTED POSITION

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US6974055B2 (en) 2000-06-05 2005-12-13 Seaquist Perfect Dispensing Gmbh Adapter for a manually operated dispensing device of containers of liquid
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CN108889482B (en) * 2018-05-15 2020-06-26 孙健春 Kettle structure of spray gun

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US6186372B1 (en) 2001-02-13
FR2781467A1 (en) 2000-01-28
FR2781467B1 (en) 2000-10-06

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