EP2257386B1 - Fluid dispensing device including a pump - Google Patents

Fluid dispensing device including a pump Download PDF

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Publication number
EP2257386B1
EP2257386B1 EP09757682.1A EP09757682A EP2257386B1 EP 2257386 B1 EP2257386 B1 EP 2257386B1 EP 09757682 A EP09757682 A EP 09757682A EP 2257386 B1 EP2257386 B1 EP 2257386B1
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EP
European Patent Office
Prior art keywords
pump
arm
axis
main
dispensing
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.)
Active
Application number
EP09757682.1A
Other languages
German (de)
French (fr)
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EP2257386A1 (en
Inventor
Xavier Julia
Gaetan Painchaud
Julien Brand
Gilles Besoin
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.)
Nemera la Verpilliere SAS
Original Assignee
Rexam Healthcare La Verpilliere SAS
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Publication of EP2257386A1 publication Critical patent/EP2257386A1/en
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Publication of EP2257386B1 publication Critical patent/EP2257386B1/en
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Classifications

    • 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
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed 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
    • 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
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1056—Actuation means comprising rotatable or articulated levers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/005—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for preventing unintentional use of a control mechanism
    • 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
    • B05B11/0037—Containers
    • B05B11/0038—Inner container disposed in an outer shell or outer casing
    • 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
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/109—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle the dispensing stroke being affected by the stored energy of a spring

Definitions

  • the present invention relates to the field of dispensing a fluid by means of a pump. More particularly, but not exclusively, the device makes it possible to dispense a liquid intended for a nasal, ocular or buccal application, the user actuating the pump by lateral pressure on the device.
  • a side-actuated spray device such as that described in the document, is already known.
  • FR 2,812,826 This device comprises a pump axially displaceable between a rest position and a liquid distribution position. The displacement of this pump is controlled by an actuating arm, pivotally mounted on the device, so as to move the pump in dispensing position when the user presses the arm in the transverse direction.
  • the document FR 2,882,349 discloses a dispensing device comprising a main arm and an actuator pivotally mounted on the main arm.
  • the document WO2005 / 075100 discloses a side-activated dispensing device comprising a drive structure capable of transmitting a rotation of a lever to a translation of a reservoir and disengaging to release the reservoir.
  • the present invention proposes to reduce the force required to actuate the device.
  • the subject of the invention is a fluid dispensing device according to claim 1.
  • the intermediate arm attached between the axis of rotation and the support zone of the main arm, can create a lever effect, which reduces the force to be exerted by the user on the support zone to operate the pump.
  • this lever is pivotally mounted on the main arm, the orientation of the intermediate arm relative to the arm may vary during pivoting of the main arm.
  • the free end of the intermediate arm, opposite the axis of rotation of the intermediate arm can perform a translational movement in a direction corresponding to the axis of the pump, to move the pump in its dispensing position. .
  • the free end of the intermediate arm does not effect necessarily a rotational movement, it can advantageously perform a translation, so that one transforms the rotational movement generated by the support of the user on the main arm in a translational movement of the free end of the intermediate arm this translation movement taking place in the axial direction (ie along the axis of the pump), so as to actuate the pump.
  • a force exerted by the user on the support zone makes it possible to move the pump (or a support of the pump) on a greater stroke than if the intermediate arm was mounted fixed relative to the main arm, in which case the free end of the intermediate arm would describe a rotational movement.
  • the pivoting intermediate arm thanks to the pivoting intermediate arm, the user can exert less force to operate the pump than in the case where the dispensing device comprises a single pivoting arm directly actuating the pump.
  • the dispensing device allows the user to exert less force on the support zone, or, for the same effort of the user, to exert a force more important on the pump, and therefore to use a pump having a greater activation effort, to achieve specific features, for example certain qualities of spray.
  • the above device may require less displacement of the support zone, which reduces the overall size of the device, in particular the inclination of the main arm relative to the general shape of the device, so the general diameter of the device.
  • the pump comprises an upstream portion and a downstream portion, movable relative to each other by sliding, and the movement of the pump corresponds to the movement of the upstream portion relative to the downstream portion.
  • This device 10 for dispensing fluid, more particularly for dispensing predetermined doses of liquid for nasal, ocular or oral application.
  • This device 10 comprises a bottom 11, a reservoir 12, intended to contain the liquid, a pump 14, connected to the reservoir 12 via a connecting ring 16, an outer casing 18, provided with a gripping zone 19, a main pivoting arm 20 and a cap 22.
  • the pump 14 makes it possible to suck the liquid contained in the reservoir 12, in order to extract it out of the device, for example by spraying.
  • the pump 14 comprises two parts mounted sliding relative to each other, in this case an upstream portion 24 and a downstream portion 26, shown on the figure 2 .
  • the parts 24 and 26 are slidably mounted with respect to the longitudinal axis X of the pump between a rest position, represented on the figure 2 , and a dispensing position, in which the upstream portion 24 is in abutment against the downstream portion 26, the displacement of the portion 24 has allowed to suck liquid contained in the tank 12.
  • the passage of the pump from the rest position to the dispensing position corresponds to an actuation of the pump.
  • the downstream portion 26 of the pump has an end 27, called the distribution end.
  • the direction of spraying of the device 10 is axial, therefore in the X direction, that is why the dispensing end 27 is provided with an orifice on its upper surface, of axis X, directing the liquid in the direction X. It will be understood that other directions of distribution of the fluid are possible.
  • the pump 14 is mounted on the reservoir 12 via the connecting ring 16, mounted integral in motion of the upstream portion 24 of the pump 14.
  • This connecting ring 16 therefore moves with the upstream portion 24 of the pump when the latter takes its distribution position.
  • the ring 16 is fixedly mounted on the reservoir 12, for example by snapping, so that the reservoir can move with the ring and the upstream portion 24 of the pump.
  • This ring 16 has a generally tubular shape, mounted coaxially around the upstream portion 24 of the pump, for example by snapping.
  • the ring 16 defines, with the upstream portion 24 of the pump, a tubular housing for receiving a mouth 28 of the reservoir 12.
  • the outer casing 18 has a generally cylindrical or conical shape. It carries a fluid dispensing head 30, in which is housed the dispensing end 27 of the pump 14.
  • the head 30 is provided with an orifice 32, extending the orifice of the end 27.
  • the bottom 11 is attached to the casing 18, for example by snapping.
  • the device 10 is a device with lateral actuation, that is to say that the user exerts a pressure in the direction indicated by the arrow F of the figure 2 , that is to say substantially in a transverse direction, perpendicular to the X axis, for dispensing fluid.
  • the arm 20 constitutes a first arm, hereinafter referred to as the main arm, pivotally mounted on the device 10, more precisely on the casing 18, along a pivot axis 34, referred to in the following main axis 34, and represented by the letter O on the figure 4 .
  • the axis 34 is made by means of pins made in the envelope 18, cooperating with orifices provided on one end 36 of the arm 20, hereinafter called fixed end of the arm 20.
  • the arm 20 further comprises an end 38, called free end 38, disposed opposite the fixed end 36. In the vicinity of this free end 38, the arm 20 has a bearing zone 40, on which the user is intended to exert support in order to actuate the pump.
  • the support zone 40 is represented by point B on the figure 4 .
  • the arm 20 is pivotally mounted between a rest position and at least one supported position.
  • the main arm 20 is pivotally mounted between the rest position, shown on the Figures 2 and 3 and a depressed position, in which the arm 20 is pushed as far as possible inside the device 10. Between the rest position and the depressed position, the arm 20 can take an intermediate disengaging position, which will be described hereinafter.
  • the main arm 20 further comprises return means 42, for reminding the arm 20 in its rest position when the user no longer bears on the support zone 40.
  • These biasing means 42 comprise for example a tongue elastic.
  • the device 10 comprises a second arm 44, referred to in the following intermediate arm 44, pivotally mounted on the main arm 20 with respect to an axis 46, referred to in the following intermediate axis, and represented by the point A on the figure 4 .
  • the axis 46 is formed on a first end 48 of the arm 44, referred to in the following fixed end.
  • the intermediate arm 44 has a second end 50, opposite the end 48, called in the free end continuation 50.
  • This end 50 comprises an abutment surface 52, arranged to cooperate with a stop 54 integral with the movement of the pump 14.
  • the abutment 54 is provided on the connecting ring 16, integral in motion with the upstream portion 24 of the pump 14, this abutment 54 here taking the form of a protuberance formed on a groove 56 extending in the direction axial projection projecting from the outer surface of the ring 16.
  • the protrusion 54 has more precisely the shape of a bead. It may also have a chamfered surface, configured so that the stop 52 of the intermediate arm 44 may, in a first step, be in abutment, and in a second step, forcing the protrusion 54.
  • the abutment 52 cooperates with the abutment 54 so that the pivoting of the intermediate arm 44 causes the displacement of the abutment 54, therefore of the upstream portion 24 of the pump 14 in the axial direction X, and so that the abutment 52 passes through. force the end stop 54 of the portion 24, when the user fully depresses the bearing zone 40.
  • the means 52, 54 are means for actuating the pump 14, and also, in this example, means for disengaging the device 16.
  • the intermediate arm 44 further comprises return means 58, for example an elastic arm 58, arranged to return the intermediate arm 44 in the rest position after actuation of the pump.
  • return means 58 for example an elastic arm 58, arranged to return the intermediate arm 44 in the rest position after actuation of the pump.
  • the axis 46 of the intermediate arm 44 is disposed on the main arm 20 at a distance OA with respect to the main arm 34 less than two-thirds of the distance OB between the main axis 34 and the bearing zone 40.
  • the distance OA will be less than or equal to the distance AB.
  • the main axis 34 is provided near an end of the device 10, namely in the vicinity of the dispensing head 30, and the bearing zone 40 is provided in the vicinity of an opposite end of the device 10, namely in the vicinity of the bottom 11 of the device. Consequently, the distance separating the axis 34 from the support zone 40 is as great as possible on the device 10.
  • the device 10 comprises locking means of the device when the device 10 is in the upside-down position.
  • the head-up position corresponds to a position in which the dispensing head 30 is above the bottom 11 in the direction of the gravity indicated by the arrow g on the figure 5 .
  • This top-up position corresponds to a storage position of the device 10, in which the bottom 11 is generally placed on a support surface.
  • the device 10 can assume a position reversed with respect to this head-up position, namely a head-down position, represented on the figure 2 , in which the dispensing head 30 is disposed below the bottom 11.
  • the liquid contained in the reservoir 12 is located in the downstream portion of the reservoir 12, under the effect of gravity, particularly at the adjacent to the mouth 28.
  • the blocking means of the pump 14 when the device is in head up position allow to operate the pump only when it is in the upside down position, so that it avoids a defusing of the pump that could take place by suction of air, because the liquid is in the upstream portion of the reservoir 12 and that air is therefore in the downstream portion, the side of the mouth 28
  • the disengaging means of the device comprise, in this example, a locking ball 60 mounted movably in a housing 64 of the arm 20, the housing 64 being defined in particular by a projection 66 formed on the inner surface of the arm 20.
  • the ball 60 is movable between a position blocking, shown on the figure 5 , and a release position, shown on the figure 2 .
  • the ball 60 In the blocking position, the ball 60 is inserted between the link arm 20 and locking means 62 made on the ring link 16, more precisely between the arm 20 and a projection 62 formed on the outer wall of the ring 16. In the unlocking position, the ball 60 no longer cooperates with the projection 62, so that the main arm 20 is free to move relative to the connecting ring 16.
  • the device 10 When the device 10 is not used, for example when it is placed on any support, without the user pressing on it, the device is in the configuration illustrated on the drawing. figure 5 , head up position. In this position, the ball 60 is in the locking position in the housing 64, interposed between the arm 20 and the projection 62 of the ring 16, so that it is not possible to push the arm 40, so that 14.
  • the user wishes to use the device 10, he grasps the device through the gripping zone 19, preferably by surrounding with his hand the envelope 18, in particular the bearing zone 40. dispensing a predetermined dose of fluid, the user puts the device 10 in the upside down position, illustrated on the figure 2 .
  • the ball 60 rolls in the housing 64, under the effect of gravity, and thus passes from its locking position to its unlocking position. In this position, the projection 62 no longer prevents the main arm 20 from pivoting.
  • the user can press the support zone 40, which has the effect of pivoting the main arm 20 about its axis 34, so that it takes a position such that than the one illustrated in dotted line on the figure 4 .
  • the user's support movement F illustrated by the arrow 70, generates a rotational movement of the main arm 20 around the main axis 34, by an angle ⁇ (alpha), the movement being illustrated by the arrow 72.
  • This rotation of the main arm 20 relative to the casing 18 causes the rotation of the intermediate arm 44 relative to the arm 20, about the axis 46, this rotation being illustrated by the arrow 74.
  • the rotation of the arm 44 about the axis 46 corresponds to a translation of its end 50 relative to the pump, translation directed in the direction X and represented by the arrow 76.
  • the end 50 drives the pump 14 in translation in the direction X.
  • the pump 14 is in its dispensing position, shown in dotted line on the figure 4 , in which position the upstream portion 24 of the pump has slid towards the downstream part 26, so as to suck up liquid which will subsequently be distributed through the orifice 32, for example in the nose of the user.
  • the pump 14 can no longer translate, and the maintenance of the support of the user on the zone 40 generates a greater force of the end 50 against the stop 54, although that this stop 54 can be forcefully passed through the end 50.
  • the stop 52 of the arm 44 which caused the stop 54 as shown in FIG. figure 3 , does not cooperate with the stop 54, so that the pump is free to return to the rest position, under the effect of a return means internal to the pump 14, while the main arm 20 is maintained supported by the user.
  • the pump when it returns to the rest position, can suck liquid, and not air, because the liquid, in the low-head position of the device 10, is on the side of the pump.
  • the pump was able to draw liquid, which prevents its defusing due to the suction of air.
  • the intermediate arm 44 After disengagement by the intermediate arm 44, the user having fully depressed the main arm 20, and the dose of liquid having been dispensed out of the device, the user stops to exert his support on the intermediate arm and also delivers the device 10 in the up position. Stopping the pressure exerted by the user on the bearing zone 40 releases the main arm 20, which can thus resume its initial position, thanks to the return means 42 bearing against the reservoir 12 or against the connecting ring 16, as shown on the figure 3 . In parallel, the intermediate arm 44 can also resume its initial position, under the effect of the bias exerted by the means 58, bearing against the main arm 20, as can be seen on the figure 2 . By resuming this initial position, the intermediate arm 44 passes the stop 54 in the other direction, so that it resumes its rest position illustrated on the figure 3 , in which the stop 52 of the arm 44 is in position to cooperate with the stop 54 and thus drive the pump 14.
  • the optimal configuration of the device 10 depends on a number of parameters that vary depending on the type of device.
  • OA 10.8 mm (millimeters)
  • OB 45 (mm)
  • X c 11.22 mm.
  • the main axis 34 'of the main arm 20 is provided in the vicinity of the bottom 11 of the device 10, and the bearing zone 40 is provided in the vicinity of the opposite end, namely the dispensing head 30.
  • the user presses the top of the envelope 18.
  • Such an arrangement may be more convenient for the user. It will be understood that the operation of this embodiment is particularly close to that of the figure 1 .
  • the locking means 60, 62, 64 are not necessarily provided on the device.
  • the disengaging means are optional.
  • the end 50 is permanently abutting against the stop 54 of the locking ring. connection 16, so that the pump 14 returns to its rest position once the user releases the main arm 20.
  • the return means 42, 58 of the main arm 20 are no longer required, because the intermediate arm 44 and the main arm 20 are returned to their rest position by the internal return means to the pump 14, bringing it back to the rest position.
  • the pump 14 described by way of example is intended to dispense liquid, but that it is possible to envisage a pump delivering a gas, or possibly a pump sucking an external fluid.
  • transversely activated arm is interesting from the point of view of the minimum size of the device in the axial direction.
  • the disengaging ensures that a dose has been fully distributed, and thus prevents the user relaxes the arm 20 before dispensing the entire dose.
  • the disengagement guarantees in a simple manner the delivery of the dose without overloading the mechanism of the device 10.

Description

La présente invention concerne le domaine de la distribution d'un fluide au moyen d'une pompe. Plus particulièrement, mais non exclusivement, le dispositif permet de distribuer un liquide destiné à une application nasale, oculaire ou encore buccale, l'utilisateur actionnant la pompe par pression latérale sur le dispositif.The present invention relates to the field of dispensing a fluid by means of a pump. More particularly, but not exclusively, the device makes it possible to dispense a liquid intended for a nasal, ocular or buccal application, the user actuating the pump by lateral pressure on the device.

On connaît déjà un dispositif de pulvérisation à actionnement latéral, tel que celui décrit dans le document FR 2 812 826 . Ce dispositif comprend une pompe déplaçable axialement entre une position de repos et une position de distribution de liquide. Le déplacement de cette pompe est commandé par un bras d'actionnement, monté pivotant sur le dispositif, de façon à déplacer la pompe en position de distribution lorsque l'utilisateur appuie sur ce bras dans la direction transversale.A side-actuated spray device, such as that described in the document, is already known. FR 2,812,826 . This device comprises a pump axially displaceable between a rest position and a liquid distribution position. The displacement of this pump is controlled by an actuating arm, pivotally mounted on the device, so as to move the pump in dispensing position when the user presses the arm in the transverse direction.

Par ailleurs, le document FR 2 882 349 divulgue un dispositif de distribution comprenant un bras principal et un organe d'actionnement monté pivotant sur le bras principal. Le document WO2005/075100 divulgue un dispositif de distribution à activation latérale, comprenant une structure d'entraînement capable de transmettre une rotation d'un levier à une translation d'un réservoir et de se dégager pour libérer le réservoir.In addition, the document FR 2,882,349 discloses a dispensing device comprising a main arm and an actuator pivotally mounted on the main arm. The document WO2005 / 075100 discloses a side-activated dispensing device comprising a drive structure capable of transmitting a rotation of a lever to a translation of a reservoir and disengaging to release the reservoir.

Il se trouve que la force que la main de l'utilisateur doit exercer sur le bras d'actionnement peut être relativement élevée, d'où un inconfort et des difficultés à utiliser le dispositif pour des personnes âgées ou des enfants.It turns out that the force that the user's hand must exert on the actuating arm can be relatively high, resulting in discomfort and difficulty in using the device for elderly people or children.

La présente invention propose de diminuer la force nécessaire pour actionner le dispositif.The present invention proposes to reduce the force required to actuate the device.

A cet effet, l'invention a pour objet un dispositif de distribution de fluide, selon la revendication 1.For this purpose, the subject of the invention is a fluid dispensing device according to claim 1.

Ainsi, le bras intermédiaire, rapporté entre l'axe de rotation et la zone d'appui du bras principal, peut créer un effet de levier, qui permet de réduire la force à exercer par l'utilisateur sur la zone d'appui pour actionner la pompe. En outre, comme ce levier est monté pivotant sur le bras principal, l'orientation du bras intermédiaire par rapport au bras principal peut varier au cours du pivotement du bras principal. Il en résulte que l'extrémité libre du bras intermédiaire, opposée à l'axe de rotation du bras intermédiaire, peut effectuer un mouvement translatif dans une direction correspondant à l'axe de la pompe, permettant de déplacer la pompe dans sa position de distribution. En d'autres termes, grâce à la configuration proposée, l'extrémité libre du bras intermédiaire n'effectue pas forcément un mouvement de rotation, elle peut avantageusement effectuer une translation, si bien que l'on transforme le mouvement de rotation généré par l'appui de l'utilisateur sur le bras principal en un mouvement de translation de l'extrémité libre du bras intermédiaire, ce mouvement de translation ayant lieu dans la direction axiale (c'est-à-dire selon l'axe de la pompe), de façon à actionner la pompe. Grâce à ce mouvement de translation axiale, une force exercée par l'utilisateur sur la zone d'appui permet de déplacer la pompe (ou un support de la pompe) sur une course plus grande que si le bras intermédiaire était monté fixe par rapport au bras principal, auquel cas l'extrémité libre du bras intermédiaire décrirait un mouvement de rotation. En conclusion, grâce au bras intermédiaire pivotant, l'utilisateur peut exercer une force moins importante pour actionner la pompe que dans le cas où le dispositif de distribution comprend un unique bras pivotant actionnant directement la pompe.Thus, the intermediate arm, attached between the axis of rotation and the support zone of the main arm, can create a lever effect, which reduces the force to be exerted by the user on the support zone to operate the pump. In addition, as this lever is pivotally mounted on the main arm, the orientation of the intermediate arm relative to the arm may vary during pivoting of the main arm. As a result, the free end of the intermediate arm, opposite the axis of rotation of the intermediate arm, can perform a translational movement in a direction corresponding to the axis of the pump, to move the pump in its dispensing position. . In other words, thanks to the proposed configuration, the free end of the intermediate arm does not effect necessarily a rotational movement, it can advantageously perform a translation, so that one transforms the rotational movement generated by the support of the user on the main arm in a translational movement of the free end of the intermediate arm this translation movement taking place in the axial direction (ie along the axis of the pump), so as to actuate the pump. With this axial translation movement, a force exerted by the user on the support zone makes it possible to move the pump (or a support of the pump) on a greater stroke than if the intermediate arm was mounted fixed relative to the main arm, in which case the free end of the intermediate arm would describe a rotational movement. In conclusion, thanks to the pivoting intermediate arm, the user can exert less force to operate the pump than in the case where the dispensing device comprises a single pivoting arm directly actuating the pump.

Parmi les avantages du dispositif de distribution, on comprend donc qu'il permet à l'utilisateur d'exercer une force moins importante sur la zone d'appui, ou bien, pour un même effort de l'utilisateur, d'exercer une force plus importante sur la pompe, et donc d'utiliser une pompe ayant un effort d'activation plus important, pour atteindre des fonctionnalités spécifiques, par exemple certaines qualités de spray. Ou encore, pour une même pompe, le dispositif ci-dessus peut requérir un déplacement moins important de la zone d'appui, ce qui permet de réduire l'encombrement général du dispositif, en particulier l'inclinaison du bras principal par rapport à la forme générale du dispositif, donc le diamètre général du dispositif.Among the advantages of the dispensing device, it is therefore understood that it allows the user to exert less force on the support zone, or, for the same effort of the user, to exert a force more important on the pump, and therefore to use a pump having a greater activation effort, to achieve specific features, for example certain qualities of spray. Or, for the same pump, the above device may require less displacement of the support zone, which reduces the overall size of the device, in particular the inclination of the main arm relative to the general shape of the device, so the general diameter of the device.

On comprendra dans la suite que l'on désigne par mouvement de la pompe le mouvement de tout ou partie de la pompe. Généralement, la pompe comprend une partie amont et une partie avale, mobiles l'une par rapport à l'autre par coulissement, et le mouvement de la pompe correspond au mouvement de la partie amont par rapport à la partie aval.It will be understood in the following that refers to movement of the pump movement of all or part of the pump. Generally, the pump comprises an upstream portion and a downstream portion, movable relative to each other by sliding, and the movement of the pump corresponds to the movement of the upstream portion relative to the downstream portion.

Le dispositif peut en outre comporter l'une ou plusieurs des caractéristiques suivantes.

  • Le dispositif comporte deux extrémités, à savoir une tête de distribution et un fond, l'axe principal étant prévu au voisinage de l'une des extrémités et la zone d'appui étant prévue au voisinage de l'extrémité opposée. Grâce à cette configuration, la zone d'appui sur laquelle l'utilisateur exerce une pression est la plus éloignée possible de l'axe de pivotement du bras principal, ce qui optimise l'effet de levier, et donc diminue le plus possible la force à exercer sur la zone d'appui.
  • Le bras intermédiaire comporte une extrémité libre, opposée à son axe de pivotement, cette extrémité libre coopérant avec une butée solidaire en mouvement avec la pompe, la butée étant agencée de façon que le pivotement du bras intermédiaire entraîne le déplacement de la pompe dans une position de distribution de fluide. On comprendra qu'une butée solidaire en mouvement avec la pompe se déplace avec la pompe. Elle peut être prévue directement sur une partie de la pompe ou sur une pièce fixée à la pompe, par exemple sur une bague de liaison reliant la pompe et le réservoir du dispositif, ou encore sur le réservoir monté fixe par rapport à une partie de la pompe.
  • L'axe intermédiaire est monté sur le bras principal à une distance par rapport à l'axe principal inférieure aux deux tiers de la distance séparant l'axe principal et la zone d'appui. Dans cette configuration, l'effet apporté par le bras intermédiaire est optimisé. En particulier, la course de l'extrémité libre du bras intermédiaire est suffisamment grande dans la direction axiale, et la distance entre la zone d'appui et l'axe intermédiaire est par ailleurs suffisamment grande pour diminuer de façon satisfaisante l'effort à exercer par l'utilisateur. Pour réduire au maximum cet effort, l'axe intermédiaire est monté sur le bras principal le plus près possible de l'axe principal, de préférence à une distance par rapport à l'axe principal inférieure à la moitié de la distance séparant l'axe principal et la zone d'appui. On notera néanmoins que, pour un fonctionnement optimal du dispositif, la position de l'axe intermédiaire sur le bras principal n'est pas l'unique paramètre à prendre en compte, la diminution de la force exercée par l'utilisateur pouvant dépendre par exemple de l'inclinaison du bras intermédiaire par rapport à l'axe de la pompe ou encore d'autres paramètres.
  • De manière non optionnelle, le dispositif comprend des moyens de débrayage, de façon que l'appui de l'utilisateur permet, après le déplacement de la pompe dans une position de distribution, un retour de la pompe en position de repos. Ainsi, ce n'est pas un relâchement de la zone d'appui par l'utilisateur qui génère le retour de la pompe en position de repos, mais la fin de l'appui exercé par l'utilisateur. Cette caractéristique est particulièrement intéressante du fait qu'elle garantit que la pompe revient en position de repos automatiquement et directement après la distribution d'une dose de fluide et non après un certain temps, simultanément au relâchement de la zone d'appui par l'utilisateur. On peut donc garantir que la pompe revient en position de repos lorsque le dispositif est en configuration de distribution, notamment lorsqu'il est disposé tête en bas, donc lorsque le fluide contenu dans le réservoir se trouve du côté de la pompe. Il en résulte que, lorsque la pompe passe de sa position de distribution à sa position de repos, le liquide se trouve du côté de la pompe, qui aspire donc du liquide, et non de l'air contenu dans le réservoir, qui risquerait alors de désamorcer la pompe.
  • Les moyens de débrayage comprennent une butée franchie en force par le bras intermédiaire une fois que la pompe est en position de distribution.
  • Le dispositif comprend une tête de distribution et peut prendre une position dite tête en haut et une position dite tête en bas, la distribution de liquide étant destinée à être mise en oeuvre lorsque le dispositif est en position tête en bas, le dispositif comprenant des moyens de blocage du dispositif lorsque le dispositif est en position tête en haut. Pour les mêmes raisons que ci-dessus, ces moyens de blocage évitent un désamorçage de la pompe, dans le cas où l'utilisateur serait tenté d'appuyer sur la zone d'appui alors que le dispositif est en position tête en haut.
The device may further include one or more of the following features.
  • The device comprises two ends, namely a dispensing head and a bottom, the main axis being provided in the vicinity of one end and the bearing zone being provided in the vicinity of the opposite end. With this configuration, the support area on which the user exerts pressure is as far as possible from the pivot axis of the main arm, which optimizes the leverage, and therefore reduces as much as possible the force to exercise on the support zone.
  • The intermediate arm has a free end, opposite to its pivot axis, this free end cooperating with an integral stop moving with the pump, the stop being arranged so that the pivoting of the intermediate arm causes the displacement of the pump in a fluid distribution position. It will be understood that a fixed stop moving with the pump moves with the pump. It can be provided directly on a part of the pump or on a part attached to the pump, for example on a connecting ring connecting the pump and the tank of the device, or on the tank mounted fixed relative to a part of the pump.
  • The intermediate axis is mounted on the main arm at a distance from the main axis less than two-thirds of the distance between the main axis and the bearing zone. In this configuration, the effect provided by the intermediate arm is optimized. In particular, the stroke of the free end of the intermediate arm is sufficiently large in the axial direction, and the distance between the bearing zone and the intermediate axis is also sufficiently large to satisfactorily reduce the effort to be exerted. by the user. To minimize this stress, the intermediate axis is mounted on the main arm as close as possible to the main axis, preferably at a distance from the main axis less than half the distance between the axis principal and the support zone. However, it should be noted that, for optimum operation of the device, the position of the intermediate axis on the main arm is not the only parameter to be taken into account, the reduction of the force exerted by the user being able to depend for example on the inclination of the intermediate arm relative to the axis of the pump or other parameters.
  • Non-optionally, the device comprises disengaging means, so that the support of the user allows, after moving the pump in a dispensing position, a return of the pump in the rest position. Thus, it is not a relaxation of the support zone by the user that generates the return of the pump in the rest position, but the end of the support exerted by the user. This characteristic is particularly interesting because it ensures that the pump returns to the rest position automatically and directly after the dispensing of a dose of fluid and not after a certain time, simultaneously with the relaxation of the support zone by the user. It can therefore be ensured that the pump returns to the rest position when the device is in dispensing configuration, in particular when it is arranged upside down, therefore when the fluid contained in the reservoir is on the side of the pump. As a result, when the pump passes from its dispensing position to its rest position, the liquid is on the side of the pump, which sucks therefore liquid, and not air contained in the reservoir, which would then to defuse the pump.
  • The disengaging means comprise a stop forcefully crossed by the intermediate arm once the pump is in the dispensing position.
  • The device comprises a dispensing head and can take a so-called head up position and a so-called head down position, the liquid distribution being intended to be implemented when the device is in the upside down position, the device comprising means locking the device when the device is in the upside-down position. For the same reasons as above, these locking means prevent a defusing of the pump, in the case where the user would be tempted to press the support zone while the device is in the upside-down position.

On notera que la position tête en bas correspond généralement à une position dans laquelle la tête de distribution est en dessous du réservoir dans la direction de la pesanteur.

  • Les moyens de blocage comprennent une bille pouvant prendre une position de blocage et, sous l'effet de la gravité, une position de déblocage.
  • L'axe du bras principal est disposé au voisinage de la tête de distribution du dispositif.
  • Selon une caractéristique non revendiquée, l'axe du bras principal est disposé au voisinage du fond du dispositif.
It will be noted that the upside down position generally corresponds to a position in which the dispensing head is below the reservoir in the direction of gravity.
  • The locking means comprise a ball that can take a locking position and, under the effect of gravity, an unlocking position.
  • The axis of the main arm is disposed in the vicinity of the dispensing head of the device.
  • According to an unclaimed feature, the axis of the main arm is disposed near the bottom of the device.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée
uniquement à titre d'exemple et faite en se référant aux dessins dans lesquels :

  • la figure 1 est une vue en perspective éclatée d'un dispositif de distribution de fluide selon un mode de réalisation ;
  • la figure 2 est une vue en coupe longitudinale du dispositif de la figure 1 ;
  • la figure 3 est une vue similaire à la figure 2, certains des éléments n'étant pas coupés ;
  • la figure 4 est une vue schématique illustrant le fonctionnement du dispositif de la figure 1 ;
  • la figure 5 est une vue analogue à la figure 2, le dispositif étant représenté en position tête en haut ;
  • la figure 6 est une vue analogue à la figure 3 d'un dispositif selon un autre mode de réalisation.
The invention will be better understood on reading the description which will follow, given
only by way of example and with reference to the drawings in which:
  • the figure 1 is an exploded perspective view of a fluid dispensing device according to one embodiment;
  • the figure 2 is a longitudinal sectional view of the device of the figure 1 ;
  • the figure 3 is a view similar to the figure 2 some of the elements are not cut;
  • the figure 4 is a schematic view illustrating the operation of the device of the figure 1 ;
  • the figure 5 is a view similar to the figure 2 , the device being shown in a head-up position;
  • the figure 6 is a view similar to the figure 3 of a device according to another embodiment.

On a représenté sur la figure 1 un dispositif 10 pour la distribution de fluide, plus particulièrement pour la distribution de doses prédéterminées de liquide destinées à une application nasale, oculaire ou buccale. Ce dispositif 10 comporte un fond 11, un réservoir 12, destiné à contenir le liquide, une pompe 14, reliée au réservoir 12 par l'intermédiaire d'une bague de liaison 16, une enveloppe externe 18, munie d'une zone de préhension 19, un bras pivotant principal 20, ainsi qu'un capuchon 22.We have shown on the figure 1 a device 10 for dispensing fluid, more particularly for dispensing predetermined doses of liquid for nasal, ocular or oral application. This device 10 comprises a bottom 11, a reservoir 12, intended to contain the liquid, a pump 14, connected to the reservoir 12 via a connecting ring 16, an outer casing 18, provided with a gripping zone 19, a main pivoting arm 20 and a cap 22.

La pompe 14 permet d'aspirer le liquide contenu dans le réservoir 12, afin de le faire sortir hors du dispositif, par exemple par pulvérisation. A cet effet, la pompe 14 comprend deux parties montées coulissantes l'une par rapport à l'autre, en l'occurrence une partie amont 24 et une partie aval 26, représentées sur la figure 2. Les parties 24 et 26 sont montées coulissantes par rapport à l'axe longitudinal X de la pompe entre une position de repos, représentée sur la figure 2, et une position de distribution, dans laquelle la partie amont 24 est en butée de fin de course contre la partie aval 26, le déplacement de la partie 24 ayant permis d'aspirer du liquide contenu dans le réservoir 12. Le passage de la pompe de la position de repos à la position de distribution correspond à un actionnement de la pompe.The pump 14 makes it possible to suck the liquid contained in the reservoir 12, in order to extract it out of the device, for example by spraying. For this purpose, the pump 14 comprises two parts mounted sliding relative to each other, in this case an upstream portion 24 and a downstream portion 26, shown on the figure 2 . The parts 24 and 26 are slidably mounted with respect to the longitudinal axis X of the pump between a rest position, represented on the figure 2 , and a dispensing position, in which the upstream portion 24 is in abutment against the downstream portion 26, the displacement of the portion 24 has allowed to suck liquid contained in the tank 12. The passage of the pump from the rest position to the dispensing position corresponds to an actuation of the pump.

La partie aval 26 de la pompe comporte une extrémité 27, appelée extrémité de distribution. Dans cet exemple, la direction de pulvérisation du dispositif 10 est axiale, donc dans la direction X, c'est pourquoi l'extrémité de distribution 27 est munie d'un orifice sur sa surface supérieure, d'axe X, dirigeant le liquide dans la direction X. On comprendra que d'autres directions de distribution du fluide sont envisageables.The downstream portion 26 of the pump has an end 27, called the distribution end. In this example, the direction of spraying of the device 10 is axial, therefore in the X direction, that is why the dispensing end 27 is provided with an orifice on its upper surface, of axis X, directing the liquid in the direction X. It will be understood that other directions of distribution of the fluid are possible.

La pompe 14 est montée sur le réservoir 12 par l'intermédiaire de la bague de liaison 16, montée solidaire en mouvement de la partie amont 24 de la pompe 14. Cette bague de liaison 16 se déplace donc avec la partie amont 24 de la pompe lorsque cette dernière prend sa position de distribution. Par ailleurs, la bague 16 est montée fixe sur le réservoir 12, par exemple par encliquetage, de façon que le réservoir puisse se déplacer avec la bague et la partie amont 24 de la pompe. Cette bague 16 a une forme générale tubulaire, montée de façon coaxiale autour de la partie amont 24 de la pompe, par exemple par encliquetage. La bague 16 délimite, avec la partie amont 24 de la pompe, un logement tubulaire destiné à recevoir une embouchure 28 du réservoir 12.The pump 14 is mounted on the reservoir 12 via the connecting ring 16, mounted integral in motion of the upstream portion 24 of the pump 14. This connecting ring 16 therefore moves with the upstream portion 24 of the pump when the latter takes its distribution position. Furthermore, the ring 16 is fixedly mounted on the reservoir 12, for example by snapping, so that the reservoir can move with the ring and the upstream portion 24 of the pump. This ring 16 has a generally tubular shape, mounted coaxially around the upstream portion 24 of the pump, for example by snapping. The ring 16 defines, with the upstream portion 24 of the pump, a tubular housing for receiving a mouth 28 of the reservoir 12.

L'enveloppe externe 18 a une forme générale cylindrique, ou conique. Elle porte une tête 30 de distribution du fluide, dans laquelle est logée l'extrémité de distribution 27 de la pompe 14. La tête 30 est munie d'un orifice 32, prolongeant l'orifice de l'extrémité 27. A l'extrémité opposée de la tête 30, le fond 11 est rapporté sur l'enveloppe 18, par exemple par encliquetage.The outer casing 18 has a generally cylindrical or conical shape. It carries a fluid dispensing head 30, in which is housed the dispensing end 27 of the pump 14. The head 30 is provided with an orifice 32, extending the orifice of the end 27. At the end opposite the head 30, the bottom 11 is attached to the casing 18, for example by snapping.

Le dispositif 10 est un dispositif à actionnement latéral, c'est-à-dire que l'utilisateur exerce une pression dans la direction indiquée par la flèche F de la figure 2, c'est-à-dire sensiblement dans une direction transversale, perpendiculaire à l'axe X, pour distribuer du fluide.The device 10 is a device with lateral actuation, that is to say that the user exerts a pressure in the direction indicated by the arrow F of the figure 2 , that is to say substantially in a transverse direction, perpendicular to the X axis, for dispensing fluid.

A cet effet, le bras 20 constitue un premier bras, appelé dans la suite bras principal, monté pivotant sur le dispositif 10, plus précisément sur l'enveloppe 18, selon un axe de pivotement 34, appelé dans la suite axe principal 34, et représenté par la lettre O sur la figure 4. Par exemple, l'axe 34 est réalisé grâce à des pions réalisés dans l'enveloppe 18, coopérant avec des orifices prévus sur une extrémité 36 du bras 20, appelée dans la suite extrémité fixe du bras 20. Le bras 20 comporte par ailleurs une extrémité 38, appelée extrémité libre 38, disposée à l'opposé de l'extrémité fixe 36. Au voisinage de cette extrémité libre 38, le bras 20 comporte une zone d'appui 40, sur laquelle l'utilisateur est destiné à exercer un appui afin d'actionner la pompe. On notera que l'utilisateur peut exercer cet appui sur la zone 40 soit directement, c'est-à-dire que la peau de l'utilisateur est en contact avec la zone d'appui 40, soit indirectement, c'est-à-dire qu'un élément est disposé entre la peau de l'utilisateur et la zone d'appui 40, mais que le mouvement d'appui effectué par l'utilisateur est transmis à la zone d'appui 40. La zone d'appui 40 est représentée par le point B sur la figure 4. Le bras 20 est monté pivotant entre une position de repos et au moins une position appuyée. Dans cet exemple, le bras principal 20 est monté pivotant entre la position de repos, représentée sur les figures 2 et 3 et une position enfoncée, dans laquelle le bras 20 est enfoncé au maximum à l'intérieur du dispositif 10. Entre la position de repos et la position enfoncée, le bras 20 peut prendre une position intermédiaire de débrayage, qui sera décrite dans la suite.For this purpose, the arm 20 constitutes a first arm, hereinafter referred to as the main arm, pivotally mounted on the device 10, more precisely on the casing 18, along a pivot axis 34, referred to in the following main axis 34, and represented by the letter O on the figure 4 . For example, the axis 34 is made by means of pins made in the envelope 18, cooperating with orifices provided on one end 36 of the arm 20, hereinafter called fixed end of the arm 20. The arm 20 further comprises an end 38, called free end 38, disposed opposite the fixed end 36. In the vicinity of this free end 38, the arm 20 has a bearing zone 40, on which the user is intended to exert support in order to actuate the pump. Note that the user can exert this support on the zone 40 either directly, that is to say that the skin of the user is in contact with the support zone 40, or indirectly, that is to say that is an element is disposed between the skin of the user and the bearing zone 40, but that the support movement performed by the user is transmitted to the support zone 40. The support zone 40 is represented by point B on the figure 4 . The arm 20 is pivotally mounted between a rest position and at least one supported position. In this example, the main arm 20 is pivotally mounted between the rest position, shown on the Figures 2 and 3 and a depressed position, in which the arm 20 is pushed as far as possible inside the device 10. Between the rest position and the depressed position, the arm 20 can take an intermediate disengaging position, which will be described hereinafter.

Le bras principal 20 comporte par ailleurs des moyens de rappel 42, permettant de rappeler le bras 20 dans sa position de repos lorsque l'utilisateur n'appuie plus sur la zone d'appui 40. Ces moyens de rappel 42 comprennent par exemple une languette élastique.The main arm 20 further comprises return means 42, for reminding the arm 20 in its rest position when the user no longer bears on the support zone 40. These biasing means 42 comprise for example a tongue elastic.

En plus du bras principal 20, le dispositif 10 comporte un deuxième bras 44, appelé dans la suite bras intermédiaire 44, monté pivotant sur le bras principal 20 par rapport à un axe 46, appelé dans la suite axe intermédiaire, et représenté par le point A sur la figure 4. L'axe 46 est réalisé sur une première extrémité 48 du bras 44, appelée dans la suite extrémité fixe. Le bras intermédiaire 44 comporte une seconde extrémité 50, opposée à l'extrémité 48, appelée dans la suite extrémité libre 50. Cette extrémité 50 comprend une surface de butée 52, agencée pour coopérer avec une butée 54 solidaire en mouvement de la pompe 14. Plus précisément, la butée 54 est ménagée sur la bague de liaison 16, solidaire en mouvement avec la partie amont 24 de la pompe 14, cette butée 54 prenant ici la forme d'une protubérance réalisée sur une rainure 56 s'étendant dans la direction axiale en saillie de la surface extérieure de la bague 16. La protubérance 54 a plus précisément la forme d'un bourrelet. Elle peut également présente une surface chanfreinée, configurée pour que la butée 52 du bras intermédiaire 44 puisse, dans un premier temps, être en butée, et dans un deuxième temps, passer en force la protubérance 54. Comme cela est décrit dans la suite, la butée 52 coopère avec la butée 54 de façon que le pivotement du bras intermédiaire 44 entraîne le déplacement de la butée 54, donc de la partie amont 24 de la pompe 14 dans la direction axiale X, et de façon que la butée 52 franchisse en force la butée 54 en fin de course de la partie 24, lorsque l'utilisateur enfonce totalement la zone d'appui 40. Ainsi, les moyens 52, 54 sont des moyens d'actionnement de la pompe 14, et également, dans cet exemple, des moyens de débrayage du dispositif 16.In addition to the main arm 20, the device 10 comprises a second arm 44, referred to in the following intermediate arm 44, pivotally mounted on the main arm 20 with respect to an axis 46, referred to in the following intermediate axis, and represented by the point A on the figure 4 . The axis 46 is formed on a first end 48 of the arm 44, referred to in the following fixed end. The intermediate arm 44 has a second end 50, opposite the end 48, called in the free end continuation 50. This end 50 comprises an abutment surface 52, arranged to cooperate with a stop 54 integral with the movement of the pump 14. More specifically, the abutment 54 is provided on the connecting ring 16, integral in motion with the upstream portion 24 of the pump 14, this abutment 54 here taking the form of a protuberance formed on a groove 56 extending in the direction axial projection projecting from the outer surface of the ring 16. The protrusion 54 has more precisely the shape of a bead. It may also have a chamfered surface, configured so that the stop 52 of the intermediate arm 44 may, in a first step, be in abutment, and in a second step, forcing the protrusion 54. As described below, the abutment 52 cooperates with the abutment 54 so that the pivoting of the intermediate arm 44 causes the displacement of the abutment 54, therefore of the upstream portion 24 of the pump 14 in the axial direction X, and so that the abutment 52 passes through. force the end stop 54 of the portion 24, when the user fully depresses the bearing zone 40. Thus, the means 52, 54 are means for actuating the pump 14, and also, in this example, means for disengaging the device 16.

Le bras intermédiaire 44 comporte par ailleurs des moyens de rappel 58, par exemple un bras élastique 58, agencé pour rappeler le bras intermédiaire 44 en position de repos après actionnement de la pompe.The intermediate arm 44 further comprises return means 58, for example an elastic arm 58, arranged to return the intermediate arm 44 in the rest position after actuation of the pump.

Comme on peut le voir sur la figure 4, l'axe 46 du bras intermédiaire 44 est disposé sur le bras principal 20 à une distance OA par rapport au bras principal 34 inférieure aux deux tiers de la distance OB séparant l'axe principal 34 et la zone d'appui 40. Généralement, afin d'avoir un effet de levier satisfaisant, la distance OA sera inférieure ou égale à la distance AB.As can be seen on the figure 4 the axis 46 of the intermediate arm 44 is disposed on the main arm 20 at a distance OA with respect to the main arm 34 less than two-thirds of the distance OB between the main axis 34 and the bearing zone 40. Generally, in order to have a satisfactory leverage, the distance OA will be less than or equal to the distance AB.

On notera que, dans ce mode de réalisation, l'axe principal 34 est prévu au voisinage d'une extrémité du dispositif 10, à savoir au voisinage de la tête de distribution 30, et la zone d'appui 40 est prévue au voisinage d'une extrémité opposée du dispositif 10, à savoir au voisinage du fond 11 du dispositif. En conséquence, la distance séparant l'axe 34 et la zone d'appui 40 est la plus grande possible sur le dispositif 10.Note that, in this embodiment, the main axis 34 is provided near an end of the device 10, namely in the vicinity of the dispensing head 30, and the bearing zone 40 is provided in the vicinity of an opposite end of the device 10, namely in the vicinity of the bottom 11 of the device. Consequently, the distance separating the axis 34 from the support zone 40 is as great as possible on the device 10.

Par ailleurs, dans ce mode de réalisation, le dispositif 10 comprend des moyens de blocage du dispositif lorsque le dispositif 10 est en position tête en haut. La position tête en haut correspond à une position dans laquelle la tête de distribution 30 est au-dessus du fond 11 dans la direction de la pesanteur indiquée par la flèche g sur la figure 5. Cette position tête en haut correspond à une position de stockage du dispositif 10, dans laquelle le fond 11 est généralement posé sur une surface support. Le dispositif 10 peut prendre une position retournée par rapport à cette position tête en haut, à savoir une position tête en bas, représentée sur la figure 2, dans laquelle la tête de distribution 30 est disposée en dessous du fond 11. Dans cette position tête en bas, le liquide contenu dans le réservoir 12 est situé dans la partie aval du réservoir 12, sous l'effet de la pesanteur, notamment au voisinage de l'embouchure 28. Les moyens de blocage de la pompe 14 lorsque le dispositif est en position tête en haut permettent de n'actionner la pompe que lorsqu'elle est en position tête en bas, si bien que l'on évite ainsi un désamorçage de la pompe qui pourrait avoir lieu par aspiration d'air, du fait que le liquide se trouve dans la partie amont du réservoir 12 et que de l'air se trouve donc dans la partie aval, du côté de l'embouchure 28. Les moyens de débrayage du dispositif comportent, dans cet exemple, une bille de blocage 60, montée mobile dans un logement 64 du bras 20, le logement 64 étant délimité notamment par une saillie 66 réalisée sur la surface intérieure du bras 20. La bille 60 est mobile entre une position de blocage, représentée sur la figure 5, et une position de déblocage, représentée sur la figure 2. Dans la position de blocage, La bille 60 s'intercale entre le bras de liaison 20 et des moyens de blocage 62 réalisés sur la bague de liaison 16, plus précisément entre le bras 20 et une saillie 62 réalisée sur la paroi extérieure de la bague 16. Dans la position de déblocage, la bille 60 ne coopère plus avec la saillie 62, si bien que le bras principal 20 est libre de se déplacer par rapport à la bague de liaison 16.Furthermore, in this embodiment, the device 10 comprises locking means of the device when the device 10 is in the upside-down position. The head-up position corresponds to a position in which the dispensing head 30 is above the bottom 11 in the direction of the gravity indicated by the arrow g on the figure 5 . This top-up position corresponds to a storage position of the device 10, in which the bottom 11 is generally placed on a support surface. The device 10 can assume a position reversed with respect to this head-up position, namely a head-down position, represented on the figure 2 , in which the dispensing head 30 is disposed below the bottom 11. In this upside down position, the liquid contained in the reservoir 12 is located in the downstream portion of the reservoir 12, under the effect of gravity, particularly at the adjacent to the mouth 28. The blocking means of the pump 14 when the device is in head up position allow to operate the pump only when it is in the upside down position, so that it avoids a defusing of the pump that could take place by suction of air, because the liquid is in the upstream portion of the reservoir 12 and that air is therefore in the downstream portion, the side of the mouth 28 The disengaging means of the device comprise, in this example, a locking ball 60 mounted movably in a housing 64 of the arm 20, the housing 64 being defined in particular by a projection 66 formed on the inner surface of the arm 20. The ball 60 is movable between a position blocking, shown on the figure 5 , and a release position, shown on the figure 2 . In the blocking position, the ball 60 is inserted between the link arm 20 and locking means 62 made on the ring link 16, more precisely between the arm 20 and a projection 62 formed on the outer wall of the ring 16. In the unlocking position, the ball 60 no longer cooperates with the projection 62, so that the main arm 20 is free to move relative to the connecting ring 16.

Le fonctionnement du dispositif 10 va à présent être décrit.The operation of the device 10 will now be described.

Lorsque le dispositif 10 n'est pas utilisé, par exemple lorsqu'il est posé sur un support quelconque, sans que l'utilisateur appuie dessus, le dispositif est dans la configuration illustrée sur la figure 5, position tête en haut. Dans cette position, la bille 60 est en position de blocage dans le logement 64, intercalée entre le bras 20 et la saillie 62 de la bague 16, si bien qu'il n'est pas possible d'enfoncer le bras 40, donc d'actionner la pompe 14. Lorsque l'utilisateur souhaite utiliser le dispositif 10, il saisit le dispositif grâce à la zone de préhension 19, de préférence en entourant avec sa main l'enveloppe 18, notamment la zone d'appui 40. Afin de distribuer une dose prédéterminée de fluide, l'utilisateur met le dispositif 10 en position tête en bas, illustrée sur la figure 2. Du fait de cette position tête en bas, la bille 60 roule dans le logement 64, sous l'effet de la gravité, et passe ainsi de sa position de blocage à sa position de déblocage. Dans cette position, la saillie 62 n'empêche plus le bras principal 20 de pivoter. Une fois le dispositif 10 en position tête en bas, l'utilisateur peut appuyer sur la zone d'appui 40, ce qui a pour effet de faire pivoter le bras principal 20 autour de son axe 34, afin qu'il prenne une position telle que celle illustrée en pointillé sur la figure 4. Ainsi, le mouvement F d'appui de l'utilisateur, illustré par la flèche 70, génère un mouvement de rotation du bras principal 20 autour de l'axe principal 34, d'un angle α (alpha), le mouvement étant illustré par la flèche 72. Cette rotation du bras principal 20 par rapport à l'enveloppe 18 entraîne la rotation du bras intermédiaire 44 par rapport au bras 20, autour de l'axe 46, cette rotation étant illustrée par la flèche 74. La rotation du bras 44 autour de l'axe 46 correspond à une translation de son extrémité 50 par rapport à la pompe, translation dirigée dans la direction X et représentée par la flèche 76. Au cours de cette translation, l'extrémité 50 entraîne la pompe 14 en translation dans la direction X. A la suite de ce mouvement, la pompe 14 se trouve dans sa position de distribution, illustrée en pointillé sur la figure 4, position dans laquelle la partie amont 24 de la pompe a coulissé vers la partie aval 26, de façon à aspirer du liquide qui sera par la suite distribué à travers l'orifice 32, par exemple dans le nez de l'utilisateur. Une fois la pompe 14 dans cette position de distribution, la pompe 14 ne peut plus translater, et le maintien de l'appui de l'utilisateur sur la zone 40 génère un effort supérieur de l'extrémité 50 contre la butée 54, si bien que cette butée 54 peut être franchie en force par l'extrémité 50. Il en résulte que la butée 52 du bras 44, qui entraînait la butée 54 comme représenté sur la figure 3, ne coopère plus avec la butée 54, si bien que la pompe est libre de revenir en position de repos, sous l'effet d'un moyen de rappel interne à la pompe 14, alors que le bras principal 20 est maintenu appuyé par l'utilisateur. Il résulte de ce débrayage que la pompe, lors de son retour en position de repos, peut aspirer du liquide, et non de l'air, du fait que le liquide, en position tête basse du dispositif 10, se trouve du côté de l'embouchure 28 du réservoir 12. Ainsi, avant que l'utilisateur ne remette le dispositif en position tête haute, la pompe a pu aspirer du liquide, ce qui évite son désamorçage du fait de l'aspiration d'air.When the device 10 is not used, for example when it is placed on any support, without the user pressing on it, the device is in the configuration illustrated on the drawing. figure 5 , head up position. In this position, the ball 60 is in the locking position in the housing 64, interposed between the arm 20 and the projection 62 of the ring 16, so that it is not possible to push the arm 40, so that 14. When the user wishes to use the device 10, he grasps the device through the gripping zone 19, preferably by surrounding with his hand the envelope 18, in particular the bearing zone 40. dispensing a predetermined dose of fluid, the user puts the device 10 in the upside down position, illustrated on the figure 2 . Due to this upside down position, the ball 60 rolls in the housing 64, under the effect of gravity, and thus passes from its locking position to its unlocking position. In this position, the projection 62 no longer prevents the main arm 20 from pivoting. Once the device 10 is in the upside down position, the user can press the support zone 40, which has the effect of pivoting the main arm 20 about its axis 34, so that it takes a position such that than the one illustrated in dotted line on the figure 4 . Thus, the user's support movement F, illustrated by the arrow 70, generates a rotational movement of the main arm 20 around the main axis 34, by an angle α (alpha), the movement being illustrated by the arrow 72. This rotation of the main arm 20 relative to the casing 18 causes the rotation of the intermediate arm 44 relative to the arm 20, about the axis 46, this rotation being illustrated by the arrow 74. The rotation of the arm 44 about the axis 46 corresponds to a translation of its end 50 relative to the pump, translation directed in the direction X and represented by the arrow 76. During this translation, the end 50 drives the pump 14 in translation in the direction X. As a result of this movement, the pump 14 is in its dispensing position, shown in dotted line on the figure 4 , in which position the upstream portion 24 of the pump has slid towards the downstream part 26, so as to suck up liquid which will subsequently be distributed through the orifice 32, for example in the nose of the user. Once the pump 14 in this dispensing position, the pump 14 can no longer translate, and the maintenance of the support of the user on the zone 40 generates a greater force of the end 50 against the stop 54, although that this stop 54 can be forcefully passed through the end 50. As a result, the stop 52 of the arm 44, which caused the stop 54 as shown in FIG. figure 3 , does not cooperate with the stop 54, so that the pump is free to return to the rest position, under the effect of a return means internal to the pump 14, while the main arm 20 is maintained supported by the user. As a result of this disengagement, the pump, when it returns to the rest position, can suck liquid, and not air, because the liquid, in the low-head position of the device 10, is on the side of the pump. Thus, before the user returns the device to the head-up position, the pump was able to draw liquid, which prevents its defusing due to the suction of air.

Après le débrayage par le bras intermédiaire 44, l'utilisateur ayant enfoncé totalement le bras principal 20, et la dose de liquide ayant été distribuée hors du dispositif, l'utilisateur arrête d'exercer son appui sur le bras intermédiaire et remet par ailleurs le dispositif 10 en position haute. L'arrêt de la pression exercée par l'utilisateur sur la zone d'appui 40 libère le bras principal 20, qui peut ainsi reprendre sa position initiale, grâce aux moyens de rappel 42 prenant appui contre le réservoir 12 ou contre la bague de liaison 16, comme cela est représenté sur la figure 3. En parallèle, le bras intermédiaire 44 peut également reprendre sa position initiale, sous l'effet du rappel exercé par les moyens 58, prenant appui contre le bras principal 20, comme on peut le voir sur la figure 2. En reprenant cette position initiale, le bras intermédiaire 44 passe la butée 54 dans l'autre sens, de façon qu'il reprenne sa position de repos illustrée sur la figure 3, dans laquelle la butée 52 du bras 44 est en position pour coopérer avec la butée 54 et ainsi entraîner la pompe 14.After disengagement by the intermediate arm 44, the user having fully depressed the main arm 20, and the dose of liquid having been dispensed out of the device, the user stops to exert his support on the intermediate arm and also delivers the device 10 in the up position. Stopping the pressure exerted by the user on the bearing zone 40 releases the main arm 20, which can thus resume its initial position, thanks to the return means 42 bearing against the reservoir 12 or against the connecting ring 16, as shown on the figure 3 . In parallel, the intermediate arm 44 can also resume its initial position, under the effect of the bias exerted by the means 58, bearing against the main arm 20, as can be seen on the figure 2 . By resuming this initial position, the intermediate arm 44 passes the stop 54 in the other direction, so that it resumes its rest position illustrated on the figure 3 , in which the stop 52 of the arm 44 is in position to cooperate with the stop 54 and thus drive the pump 14.

On comprendra que, grâce notamment au bras intermédiaire 44, la force F à exercer par l'utilisateur sur le dispositif 10, afin d'actionner la pompe 14, est moins importante.It will be understood that, thanks in particular to the intermediate arm 44, the force F to be exerted by the user on the device 10, in order to actuate the pump 14, is less important.

Comme on peut le constater, la configuration optimale du dispositif 10 dépend d'un certain nombre de paramètres qui varient en fonction du type de dispositif. Ainsi, on peut faire varier par exemple la longueur du bras principal 20, celle du bras intermédiaire 44, l'axe α (alpha) du bras principal 20 par rapport à l'axe X du dispositif, la distance OA qui sépare les deux axes de rotation 34, 46, la position horizontale du point C, c'est-à-dire de l'extrémité 50 du bras intermédiaire 44, l'effort P ou la course à fournir sur la pompe pour l'activer, etc.As can be seen, the optimal configuration of the device 10 depends on a number of parameters that vary depending on the type of device. Thus, it is possible to vary for example the length of the main arm 20, that of the intermediate arm 44, the axis α (alpha) of the main arm 20 with respect to the axis X of the device, the distance OA which separates the two axes rotation 34, 46, the horizontal position of the point C, that is to say the end 50 of the intermediate arm 44, the force P or the race to be provided on the pump to activate it, etc.

Afin de déterminer la configuration optimale, les inventeurs ont exprimé la force F à exercer par l'utilisateur sur le dispositif 10 pour activer la pompe. Cette force est exprimée par l'équation suivante : F = P * OA * sin 90 + α - Arc ⁢ cos Xc - OA * sin α AC sin Arc ⁢ cos Xc - OA * sin α AC * OB * cos α

Figure imgb0001

où :

  • P désigne l'effort d'activation de la pompe ;
  • OA désigne la distance entre l'axe 34 et l'axe 46 ;
  • α (alpha) correspond à l'angle du bras principal 20 par rapport à l'axe X ;
  • Xc désigne la position horizontale du point C, par rapport à l'axe Y, ce point C correspondant au point de contact entre le bras intermédiaire 44 et la bague de liaison 16 ;
  • AC désigne la longueur du bras intermédiaire 44 ;
  • OB désigne la distance entre l'axe principal 44 et la zone d'appui 40 du bras principal 20.
In order to determine the optimum configuration, the inventors expressed the force F to be exerted by the user on the device 10 to activate the pump. This force is expressed by the following equation: F = P * OA * sin 90 + α - Bow ⁢ cos xc - OA * sin α AC sin Bow ⁢ cos xc - OA * sin α AC * OB * cos α
Figure imgb0001
or :
  • P denotes the activation force of the pump;
  • OA denotes the distance between the axis 34 and the axis 46;
  • α (alpha) corresponds to the angle of the main arm 20 with respect to the X axis;
  • X c denotes the horizontal position of the point C, with respect to the Y axis, this point C corresponding to the point of contact between the intermediate arm 44 and the connecting ring 16;
  • AC denotes the length of the intermediate arm 44;
  • OB denotes the distance between the main axis 44 and the support zone 40 of the main arm 20.

Afin de déterminer pour quelle valeur de l'un ou plusieurs de ces paramètres la force exercée par l'utilisateur sur la zone d'appui 40 est minimale, on peut dériver l'expression ci-dessus de la force F par rapport à l'un ou plusieurs des paramètres de l'équation, et résoudre une ou plusieurs équations correspondant au cas où la ou les dérivées sont égales à zéro.In order to determine for which value of one or more of these parameters the force exerted by the user on the support zone 40 is minimal, one can derive the above expression of the force F with respect to the one or more of the parameters of the equation, and solving one or more equations corresponding to the case where the derivative (s) are equal to zero.

Selon un exemple de réalisation, les valeurs suivantes sont considérées comme particulièrement intéressantes pour minimiser la force à appliquer par l'utilisateur sur la zone d'appui 40 : OA = 10,8 mm (millimètres) OB = 45 (mm) AC = 15 mm α (alpha) = 10° Xc= 11,22 mm. According to an exemplary embodiment, the following values are considered particularly advantageous for minimizing the force to be applied by the user on the bearing zone 40: OA = 10.8 mm (millimeters) OB = 45 (mm) AC = 15 mm α (alpha) = 10 ° X c = 11.22 mm.

Sur un autre mode de réalisation non revendiqué, représenté sur la figure 6, l'axe principal 34' du bras principal 20 est prévu au voisinage du fond 11 du dispositif 10, et la zone d'appui 40 est prévue au voisinage de l'extrémité opposée, à savoir la tête de distribution 30. Ainsi, l'utilisateur appuie sur le haut de l'enveloppe 18. Un tel agencement peut être plus pratique pour l'utilisateur. On comprendra que le fonctionnement de ce mode de réalisation est particulièrement proche de celui de la figure 1.In another unclaimed embodiment, shown in the figure 6 , the main axis 34 'of the main arm 20 is provided in the vicinity of the bottom 11 of the device 10, and the bearing zone 40 is provided in the vicinity of the opposite end, namely the dispensing head 30. The user presses the top of the envelope 18. Such an arrangement may be more convenient for the user. It will be understood that the operation of this embodiment is particularly close to that of the figure 1 .

On notera que l'invention n'est pas limitée aux modes de réalisation précédemment décrits.Note that the invention is not limited to the previously described embodiments.

En particulier, les moyens de blocage 60, 62, 64 ne sont pas forcément prévus sur le dispositif.In particular, the locking means 60, 62, 64 are not necessarily provided on the device.

De même, selon un mode de réalisation non revendiqué, les moyens de débrayage sont optionnels. Ainsi, au lieu de prévoir un débrayage du dispositif par le passage en force de la butée 54 par l'extrémité 50 du bras intermédiaire 44, on peut prévoir que l'extrémité 50 est en permanence en butée contre la butée 54 de la bague de liaison 16, si bien que la pompe 14 reprend sa position de repos une fois que l'utilisateur relâche le bras principal 20. Dans cette configuration, les moyens de rappel 42, 58 du bras principal 20 ne sont plus indispensables, du fait que le bras intermédiaire 44 et le bras principal 20 sont rappelés dans leur position de repos par les moyens de rappel internes à la pompe 14, ramenant celle-ci en position de repos.Similarly, according to an embodiment not claimed, the disengaging means are optional. Thus, instead of providing a disengagement of the device by the passage in force of the abutment 54 by the end 50 of the intermediate arm 44, it can be provided that the end 50 is permanently abutting against the stop 54 of the locking ring. connection 16, so that the pump 14 returns to its rest position once the user releases the main arm 20. In this configuration, the return means 42, 58 of the main arm 20 are no longer required, because the intermediate arm 44 and the main arm 20 are returned to their rest position by the internal return means to the pump 14, bringing it back to the rest position.

Par ailleurs, on note que l'on a appelé les bras 20 et 44 "bras principal" et "bras intermédiaire" pour simplifier la compréhension, mais l'utilisation de tels termes ne signifie pas que le bras 20 est nécessairement plus long ou plus rigide que le bras 44. En d'autres termes, on aurait pu désigner le bras 20 par "premier bras" et le bras 44 par "deuxième bras".On the other hand, it is noted that the arms 20 and 44 "main arm" and "intermediate arm" have been called to simplify the understanding, but the use of such terms does not mean that the arm 20 is necessarily longer or longer. rigid in that the arm 44. In other words, could have designated the arm 20 by "first arm" and the arm 44 by "second arm".

On notera également que la pompe 14 décrite en exemple est destinée à distribuer du liquide, mais que l'on peut envisager une pompe distribuant un gaz, ou encore éventuellement une pompe aspirant un fluide extérieur.It will also be noted that the pump 14 described by way of example is intended to dispense liquid, but that it is possible to envisage a pump delivering a gas, or possibly a pump sucking an external fluid.

Parmi les avantages de l'invention, on note que l'utilisation d'un bras activé transversalement est intéressante du point de vue de l'encombrement minimal du dispositif dans la direction axiale.Among the advantages of the invention, it is noted that the use of a transversely activated arm is interesting from the point of view of the minimum size of the device in the axial direction.

Parmi les avantages des moyens de débrayage décrits ci-dessus, on notera que le débrayage garantit qu'une dose a été totalement distribuée, et évite ainsi que l'utilisateur relâche le bras 20 avant la distribution de l'intégralité de la dose. Ainsi le débrayage garantit de façon simple la délivrance de la dose sans surcharger le mécanisme du dispositif 10.Among the advantages of the disengaging means described above, it will be noted that the disengaging ensures that a dose has been fully distributed, and thus prevents the user relaxes the arm 20 before dispensing the entire dose. Thus, the disengagement guarantees in a simple manner the delivery of the dose without overloading the mechanism of the device 10.

On notera que la combinaison des moyens de débrayage et des moyens de blocage permet d'éviter tout désamorçage de la pompe 14, mais qu'ils pourraient être utilisés indépendamment l'un de l'autre.It will be noted that the combination of the disengaging means and the blocking means makes it possible to avoid any defusing of the pump 14, but that they could be used independently of one another.

On note par ailleurs que l'utilisation des moyens de blocage ou des moyens de débrayage est particulièrement intéressante lorsqu'on utilise une pompe 14 sans tube plongeur.Note also that the use of the locking means or disengaging means is particularly advantageous when using a pump 14 without a dip tube.

Claims (4)

  1. A fluid dispenser device (10) for dispensing fluid comprising:
    • a dispenser head (30),
    • an end (11)
    • a pump (14) for dispensing the fluid;
    • a first arm (20) referred to as the "main" arm (20), mounted to pivot on the device (10) about an axis referred to as the "main" axis(34), which arm (20) is provided with a press zone (40) on which the user exerts pressure in order to actuate the pump (14); and
    • a second arm, referred to as the "intermediate" arm (44), mounted to pivot on the main arm (20) about an axis, referred to as the "intermediate" axis (46), this intermediate axis (46) being disposed on the main arm (20) between the press zone (40) and the main axis (34), and the intermediate arm (44) being configured to transmit the movement of the press zone (40) to the pump (14), the intermediate arm (44) has a free end (50) opposite from the intermediate axis (46), this free end (50) co-operating with an abutment (54) constrained to move with the pump (14), the abutment being arranged in such a manner that the pivoting of the intermediate arm (44) causes the pump (14) to be moved into a fluid dispensing position,
    • declutching means (52, 54) in such a manner that the pressure exerted by the user allows the pump (24) to return to its rest position after said pump has moved into a dispensing position, the declutching means comprise an abutment (54) past which the intermediate arm (44) forces its way once the pump (24) is in the dispensing position, allowing the return of the pump to the rest position, under drive from return means that are internal to the pump (14), whereas the main arm (20) is held pressed by the user,
    characterized in that
    the main axis (34) of the main arm (20) is disposed in the vicinity of the dispenser head (30) of the device, and the press zone (40) being provided in the vicinity of the end (11).
  2. A device according to the preceding claim, wherein the intermediate axis (46) is mounted on the main arm (20) at a distance (OA) relative to the main axis (34) that is less than two-thirds of the distance (OB) between the main axis (34) and the press zone (40).
  3. A device according to any preceding claim, can take up a "head-up" position or a "head-down" position, the device being designed to dispense liquid when it is in the head-down position, the device being provided with disabling means (60, 62, 64) for disabling the device when it is in the head-up position.
  4. A device according to the preceding claim, wherein the disabling means comprise a ball (60) that can take up a disabling position and that, under the effect of gravity, can take up an enabling position.
EP09757682.1A 2008-03-27 2009-03-27 Fluid dispensing device including a pump Active EP2257386B1 (en)

Applications Claiming Priority (2)

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FR0851996A FR2929252B1 (en) 2008-03-27 2008-03-27 FLUID DISPENSING DEVICE COMPRISING A PUMP
PCT/FR2009/000358 WO2009147306A1 (en) 2008-03-27 2009-03-27 Fluid dispensing device including a pump

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FR2973011B1 (en) * 2011-03-21 2013-04-26 Valois Sas DEVICE FOR DISPENSING FLUID PRODUCT WITH SIDE ACTUATION.
FR2973014B1 (en) * 2011-03-21 2014-06-06 Valois Sas DEVICE FOR DISPENSING FLUID PRODUCT WITH SIDE ACTUATION.
FR2973013B1 (en) * 2011-03-21 2014-06-06 Valois Sas DEVICE FOR DISPENSING FLUID PRODUCT WITH SIDE ACTUATION.
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EP2257386A1 (en) 2010-12-08
US20110062186A1 (en) 2011-03-17
FR2929252B1 (en) 2012-02-03
US8517220B2 (en) 2013-08-27
WO2009147306A1 (en) 2009-12-10
FR2929252A1 (en) 2009-10-02

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