EP2760325B1 - Vacuum cleaner nozzle - Google Patents

Vacuum cleaner nozzle Download PDF

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Publication number
EP2760325B1
EP2760325B1 EP12773082.8A EP12773082A EP2760325B1 EP 2760325 B1 EP2760325 B1 EP 2760325B1 EP 12773082 A EP12773082 A EP 12773082A EP 2760325 B1 EP2760325 B1 EP 2760325B1
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EP
European Patent Office
Prior art keywords
nozzle
vacuum cleaner
carpet
sealing flap
bottom sole
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
EP12773082.8A
Other languages
German (de)
French (fr)
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EP2760325A1 (en
Inventor
Thierry Guinot
Alain Soen
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.)
SEB SA
Original Assignee
SEB SA
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Publication date
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Publication of EP2760325A1 publication Critical patent/EP2760325A1/en
Application granted granted Critical
Publication of EP2760325B1 publication Critical patent/EP2760325B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0606—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads
    • A47L9/0626—Rigidly anchored lips, e.g. nozzles adapted for picking up liquids
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/24—Hand-supported suction cleaners
    • A47L5/26—Hand-supported suction cleaners with driven dust-loosening tools

Definitions

  • the present invention generally relates to a vacuum nozzle with a flap.
  • the document EP 2 014 212 A1 has a suction nozzle with a mop, used with a machine suction and washing with soil water.
  • This nozzle is equipped with a sealing lip on the front which increases the force of plating of the nozzle on the floor to wipe it.
  • this nozzle for washing with water makes it unfit for use on soil that does not tolerate water, such as some wood floors or non-washable fiber carpets, and its use without water will not provide effective suction.
  • this nozzle is not conducive to use in air suction alone because the lower sole is directly in contact with the ground, which causes friction generating a resistance force to the movement, as well as noise detrimental to comfort use.
  • the document EP 1 222 892 B1 discloses a nozzle with a grooved sole mounted on wheels, however air leakage occurs between the sole and the ground, so that the suction is inefficient because the air velocities are not optimal in the grooves.
  • the grooved sole is directly in contact with the ground, but this generates noisy friction and increases the efforts to be exerted to move the nozzle.
  • An object of the present invention is to meet the disadvantages of the documents of the prior art mentioned above and in particular, first of all, to provide a vacuum nozzle with good suction efficiency.
  • a first aspect of the invention relates to a vacuum nozzle comprising a bottom flange and wheels defining a ground clearance of the lower flange which comprises at least one suction channel open towards the ground and converging with a flange.
  • the outer sole of the lower soleplate towards a suction port connected to the vacuum cleaner characterized in that the nozzle comprises a sealing flange arranged on the periphery of the lower flange, and in that the sealing flap comprises at least an opening arranged facing said at least one suction channel.
  • the sealing flap according to the invention causes an effective suction because it is arranged on the periphery of the sole and stops air leakage, and the opening arranged in front of the channel allows to direct the air flow to suck up impurities from the ground properly.
  • the nozzle, and therefore the lower sole of the nozzle is positioned at a predetermined height of the ground by the wheels, and the well positioned bib and arranged on the periphery of the sole provides a seal to the nozzle, except at the level of openings arranged in front of each channel, which can channel the airflow directly into the channels to suck the dust effectively.
  • the ground clearance is defined in relation to a smooth and non-deformable floor, such as a floor or tile for example.
  • the flap is arranged on the entire periphery of the lower flange.
  • the sealing strip has an elasticity to bend during a displacement of the nozzle on a carpet, so as to allow a depression of the nozzle in the carpet.
  • the nozzle according to the present invention also makes it possible to effectively clean a carpet.
  • the flap is sufficiently elastic so that the nozzle sinks into the carpet to clean. Without any intervention of the user, the latter can perfectly clean a smooth floor then proceed to the cleaning of a carpet or a carpet placed on the ground.
  • the bib that bends when traveling does not affect comfort because there is no friction effort, it slides on the carpet.
  • the nozzle comprises a rotary brush.
  • a nozzle in combination with the elastic flap can clean even more effectively carpet because the depression in the carpet will brush the latter better than if the nozzle does not sink.
  • the bottom flange comprises at least one chamfer arranged to allow the curvature of the sealing flap during the displacement of the nozzle on the carpet.
  • the sole has a chamfer that facilitates the release of the bib when it bends.
  • a particularly interesting embodiment consists in that said at least one chamfer serves as a mechanical stop to the sealing flange curved by a displacement of the nozzle in a first direction.
  • This implementation makes it possible to control the movement of the flap in a first direction of displacement.
  • the bottom flange comprises at least one mechanical stop for the sealing flange curved by a displacement in a second direction opposite to the first direction.
  • This implementation makes it possible to control the movement of the flap in a second direction of displacement contrary to the first direction of displacement.
  • the wheels comprise a tread arranged to define contact pressures with the carpet which cause the squeegee to sink into the carpet.
  • the wheels are arranged to cause contact pressures greater than those to which the carpet resists without deformation.
  • the wheels can be given a barrel shape, to limit their surface contact with the ground, which will cause a small contact surface with the carpet and thus a depression of the nozzle in the carpet.
  • said at least one opening of the non-curved sealing flange defines a first air passage section
  • the curvature of the sealing flange defines a second air passage section.
  • the flap according to the invention thus defines two operating points of the vacuum cleaner by imposing a first passage section on smooth ground when it is not curved, and a second passage section on carpet when it is curved.
  • At least a portion of the sealing flap is parallel to a direction of displacement of the nozzle before or back and this parallel portion is preformed to bend outwardly of the lower sole of the nozzle during the insertion of the nozzle in the carpet.
  • the bib according to the invention is preformed to deform in a preferred direction, so that the nozzle will sink easily into the carpet.
  • a second aspect of the invention is a vacuum cleaner comprising at least one nozzle according to the first aspect of the invention.
  • the figure 1 represents a suction nozzle 100 according to the invention. It comprises a bottom flange 10 with a plurality of suction channels 20 open to the ground.
  • the nozzle also comprises wheels 30, 35, whose profile of the tread is barrel-shaped and which defines a ground clearance of the sole 10 when the nozzle rests on a smooth floor.
  • the nozzle is in the general shape of a triangle and at least one of the channels 20 opens into the tip of the nozzle.
  • Each channel 20 connects a suction orifice 15, for example in the form of a slot, towards the outside of the soleplate 10, so that the air sucked by the motor of the vacuum cleaner travels preferentially in the channels of the soleplate.
  • the invention proposes in particular to arrange around the soleplate a sealing lip or bib 40.
  • This sealing lip 40 eliminates leaks between the smooth floor and the soleplate 10, and to have a good suction efficiency, the sealing strip 40 is perforated facing the channels 20, so that the air sucked under the sole 10 can only enter directly into the channels 20. It This results in good suction of impurities from the ground because the air velocities in the channels 20 are maximum, since all the air sucked passes through it.
  • the figure 2 represents a profile view of the nozzle 100 on a smooth floor.
  • the wheels 30, 35 (the latter are hidden by the sealing lip) position the nozzle 100 in height relative to the ground.
  • the sealing flap 40 shaves the ground, so as to eliminate air leakage between the ground and the bottom flange 10, and openings 45 of the sealing flap 40 arranged directly in front of the channels allow air to pass through. in these to entrain the impurities resting on the ground.
  • the figure 3 represents a section of the nozzle of the figure 1 according to the line 3-3, in use on a carpet 200.
  • the nozzle 100 is pushed forward by the user, thanks to the profile of the wheels 30, 35 barrel-shaped, the contact pressures on the carpets 200 are high, this which allows the nozzle to sink into the latter, and the sealing strip 40 which is sufficiently elastic curve.
  • a chamfer 11 allows the seal flap 40 to bend and at the same time serves as a stop to the latter.
  • the sealing flange 40 also curves, and a mechanical stop 12 is provided to limit the folding of the flap 40.
  • a chamfer 11 is also present at the rear the sole and a mechanical stop 12 is placed in front of the sole of the nozzle.
  • a rotating brush (60) is arranged in the suction slot 15, and the brushing of the carpet is effective because the nozzle, thanks to the elasticity of the sealing strip, sinks properly into the carpet.

Description

La présente invention concerne de manière générale un suceur d'aspirateur muni d'une bavette.The present invention generally relates to a vacuum nozzle with a flap.

Il est connu dans l'art antérieur des suceurs d'aspirateur comme par exemple celui décrit dans le document US 2005 0066471 A1 . Le suceur divulgué comporte une lèvre d'étanchéité comportant des évidements laissant passer l'air vers l'intérieur du suceur. En contrepartie, ce système présente notamment l'inconvénient de ne pas être efficace pour aspirer les impuretés du sol car les vitesses d'air ne sont pas maîtrisées dans le suceur. De plus, le suceur n'est pas correctement positionné par rapport au sol car une pièce en U disposée au centre du suceur ne l'empêche pas de basculer, de sorte que la lèvre d'étanchéité n'assurera pas uniformément sa fonction.It is known in the prior art vacuum suckers such as that described in the document US 2005 0066471 A1 . The disclosed nozzle has a sealing lip having recesses allowing air to pass inwardly of the nozzle. In return, this system has the disadvantage of not being effective to suck the impurities from the ground because the air velocities are not controlled in the nozzle. In addition, the nozzle is not properly positioned relative to the ground because a U-shaped piece disposed in the center of the nozzle does not prevent it from tilting, so that the sealing lip will not ensure uniformly its function.

Le document EP 2 014 212 A1 présente quant à lui un suceur muni d'une serpillière, utilisé avec une machine d'aspiration et de lavage à l'eau du sol. Ce suceur est équipé d'une lèvre d'étanchéité sur l'avant qui augmente la force de plaquage du suceur sur le sol pour l'essuyer. En revanche, l'utilisation de ce suceur pour un lavage à l'eau le rend impropre à une utilisation sur un sol qui ne tolère pas l'eau, comme certains parquets en bois ou moquettes en fibres non lavables, et son utilisation sans eau ne procurera pas une aspiration efficace. Enfin, ce suceur n'est pas propice à une utilisation en aspiration d'air seule car la semelle inférieure est directement en contact avec le sol, ce qui provoque des frottements générant une force de résistance au mouvement, ainsi que des bruits préjudiciables au confort d'utilisation.The document EP 2 014 212 A1 has a suction nozzle with a mop, used with a machine suction and washing with soil water. This nozzle is equipped with a sealing lip on the front which increases the force of plating of the nozzle on the floor to wipe it. However, the use of this nozzle for washing with water makes it unfit for use on soil that does not tolerate water, such as some wood floors or non-washable fiber carpets, and its use without water will not provide effective suction. Finally, this nozzle is not conducive to use in air suction alone because the lower sole is directly in contact with the ground, which causes friction generating a resistance force to the movement, as well as noise detrimental to comfort use.

Enfin, le document EP 1 222 892 B1 divulgue un suceur avec une semelle rainurée monté sur des roulettes, cependant des fuites d'air apparaissent entre la semelle et le sol, de sorte que l'aspiration est inefficace, car les vitesses d'air ne sont pas optimales dans les rainures. Dans une deuxième mise en oeuvre, la semelle rainurée est directement en contact avec le sol, mais cela engendre des frottements bruyants et augmentant les efforts à exercer pour mettre en mouvement le suceur. Ces deux points nuisent au confort d'utilisation et à l'ergonomie de l'appareil proposé.Finally, the document EP 1 222 892 B1 discloses a nozzle with a grooved sole mounted on wheels, however air leakage occurs between the sole and the ground, so that the suction is inefficient because the air velocities are not optimal in the grooves. In a second implementation, the grooved sole is directly in contact with the ground, but this generates noisy friction and increases the efforts to be exerted to move the nozzle. These two points affect the comfort of use and ergonomics of the proposed device.

Un but de la présente invention est de répondre aux inconvénients des documents de l'art antérieur mentionnés ci-dessus et en particulier, tout d'abord, de proposer un suceur d'aspirateur avec une bonne efficacité d'aspiration.An object of the present invention is to meet the disadvantages of the documents of the prior art mentioned above and in particular, first of all, to provide a vacuum nozzle with good suction efficiency.

Pour cela un premier aspect de l'invention concerne un suceur d'aspirateur comprenant une semelle inférieure et des roues définissant une garde au sol de la semelle inférieure qui comporte au moins un canal d'aspiration ouvert vers le sol et convergeant d'un rebord extérieur de la semelle inférieure vers un orifice d'aspiration relié à l'aspirateur, caractérisé en ce que le suceur comporte une bavette d'étanchéité agencée sur la périphérie de la semelle inférieure, et en ce que la bavette d'étanchéité comporte au moins une ouverture agencée en regard dudit au moins un canal d'aspiration. La bavette d'étanchéité selon l'invention provoque une aspiration efficace car elle est agencée sur le pourtour de la semelle et stoppe les fuites d'air, et l'ouverture agencée en face du canal permet d'y diriger le flux d'air pour aspirer correctement les impuretés du sol. En d'autres termes, le suceur, et donc la semelle inférieure du suceur, est positionné à une hauteur prédéterminée du sol par les roues, et la bavette bien positionnée et agencée sur le pourtour de la semelle procure une étanchéité au suceur, sauf au niveau des ouvertures agencées en face de chaque canal, ce qui permet de canaliser le flux d'air directement dans les canaux pour aspirer efficacement la poussière. Bien entendu, on comprend que la garde au sol se définit par rapport à un sol lisse et non déformable, comme un parquet ou un carrelage par exemple. Idéalement, la bavette est agencée sur toute la périphérie de la semelle inférieure.For this purpose, a first aspect of the invention relates to a vacuum nozzle comprising a bottom flange and wheels defining a ground clearance of the lower flange which comprises at least one suction channel open towards the ground and converging with a flange. the outer sole of the lower soleplate towards a suction port connected to the vacuum cleaner, characterized in that the nozzle comprises a sealing flange arranged on the periphery of the lower flange, and in that the sealing flap comprises at least an opening arranged facing said at least one suction channel. The sealing flap according to the invention causes an effective suction because it is arranged on the periphery of the sole and stops air leakage, and the opening arranged in front of the channel allows to direct the air flow to suck up impurities from the ground properly. In other words, the nozzle, and therefore the lower sole of the nozzle, is positioned at a predetermined height of the ground by the wheels, and the well positioned bib and arranged on the periphery of the sole provides a seal to the nozzle, except at the level of openings arranged in front of each channel, which can channel the airflow directly into the channels to suck the dust effectively. Of course, it is understood that the ground clearance is defined in relation to a smooth and non-deformable floor, such as a floor or tile for example. Ideally, the flap is arranged on the entire periphery of the lower flange.

De manière avantageuse, la bavette d'étanchéité présente une élasticité pour se courber lors d'un déplacement du suceur sur une moquette, de sorte à permettre un enfoncement du suceur dans la moquette. Le suceur selon la présente invention permet également de nettoyer efficacement une moquette. En effet, la bavette est suffisamment élastique pour que le suceur s'enfonce dans la moquette à nettoyer. Sans aucune intervention de l'utilisateur, ce dernier peut parfaitement nettoyer un sol lisse puis passer au nettoyage d'une moquette ou d'un tapis posé sur le sol. La bavette qui se courbe lors des déplacements ne nuit pas au confort car il n'y a pas d'effort de frottement, elle glisse sur la moquette.Advantageously, the sealing strip has an elasticity to bend during a displacement of the nozzle on a carpet, so as to allow a depression of the nozzle in the carpet. The nozzle according to the present invention also makes it possible to effectively clean a carpet. Indeed, the flap is sufficiently elastic so that the nozzle sinks into the carpet to clean. Without any intervention of the user, the latter can perfectly clean a smooth floor then proceed to the cleaning of a carpet or a carpet placed on the ground. The bib that bends when traveling does not affect comfort because there is no friction effort, it slides on the carpet.

Avantageusement, le suceur comporte une brosse rotative. Un tel suceur en association avec la bavette élastique permet de nettoyer encore plus efficacement une moquette car l'enfoncement dans la moquette permettra de brosser cette dernière mieux que si le suceur ne s'enfonce pas.Advantageously, the nozzle comprises a rotary brush. Such a nozzle in combination with the elastic flap can clean even more effectively carpet because the depression in the carpet will brush the latter better than if the nozzle does not sink.

Avantageusement, la semelle inférieure comporte au moins un chanfrein agencé pour permettre la courbure de la bavette d'étanchéité lors du déplacement du suceur sur la moquette. La semelle comporte un chanfrein qui facilite le dégagement de la bavette lorsqu'elle se courbe.Advantageously, the bottom flange comprises at least one chamfer arranged to allow the curvature of the sealing flap during the displacement of the nozzle on the carpet. The sole has a chamfer that facilitates the release of the bib when it bends.

Une réalisation particulièrement intéressante consiste en ce que ledit au moins un chanfrein sert de butée mécanique à la bavette d'étanchéité courbée par un déplacement du suceur dans une première direction. Cette mise en oeuvre permet de contrôler le déplacement de la bavette dans un premier sens de déplacement.A particularly interesting embodiment consists in that said at least one chamfer serves as a mechanical stop to the sealing flange curved by a displacement of the nozzle in a first direction. This implementation makes it possible to control the movement of the flap in a first direction of displacement.

Avantageusement, la semelle inférieure comporte au moins une butée mécanique pour la bavette d'étanchéité courbée par un déplacement dans une deuxième direction contraire à la première direction. Cette mise en oeuvre permet de contrôler le déplacement de la bavette dans un deuxième sens de déplacement contraire au premier sens de déplacement.Advantageously, the bottom flange comprises at least one mechanical stop for the sealing flange curved by a displacement in a second direction opposite to the first direction. This implementation makes it possible to control the movement of the flap in a second direction of displacement contrary to the first direction of displacement.

Avantageusement, les roues comportent une bande de roulement agencée pour définir des pressions de contact avec la moquette qui provoquent l'enfoncement du suceur dans la moquette. Autrement dit, les roues sont agencées pour provoquer des pressions de contact supérieures à celles auxquelles la moquette résiste sans se déformer. De manière non limitative, on peut donner aux roues une forme de tonneau, pour limiter leur surface de contact avec le sol, ce qui provoquera une faible surface de contact avec la moquette et donc un enfoncement du suceur dans la moquette.Advantageously, the wheels comprise a tread arranged to define contact pressures with the carpet which cause the squeegee to sink into the carpet. In other words, the wheels are arranged to cause contact pressures greater than those to which the carpet resists without deformation. In a non-limiting manner, the wheels can be given a barrel shape, to limit their surface contact with the ground, which will cause a small contact surface with the carpet and thus a depression of the nozzle in the carpet.

Avantageusement, ladite au moins une ouverture de la bavette d'étanchéité non courbée définit une première section de passage d'air, et la courbure de la bavette d'étanchéité définit une deuxième section de passage d'air. La bavette selon l'invention définit donc deux points de fonctionnements de l'aspirateur en imposant une première section de passage sur sol lisse lorsqu'elle n'est pas recourbée, et une deuxième section de passage sur moquette lorsqu'elle est courbée.Advantageously, said at least one opening of the non-curved sealing flange defines a first air passage section, and the curvature of the sealing flange defines a second air passage section. The flap according to the invention thus defines two operating points of the vacuum cleaner by imposing a first passage section on smooth ground when it is not curved, and a second passage section on carpet when it is curved.

Avantageusement, au moins une portion de la bavette d'étanchéité est parallèle à un sens de déplacement avant ou arrière du suceur et cette portion parallèle est préformée pour se courber vers l'extérieur de la semelle inférieure du suceur lors de l'enfoncement du suceur dans la moquette. La bavette selon l'invention est préformée pour se déformer dans une direction privilégiée, de sorte que le suceur s'enfoncera facilement dans la moquette.Advantageously, at least a portion of the sealing flap is parallel to a direction of displacement of the nozzle before or back and this parallel portion is preformed to bend outwardly of the lower sole of the nozzle during the insertion of the nozzle in the carpet. The bib according to the invention is preformed to deform in a preferred direction, so that the nozzle will sink easily into the carpet.

Un second aspect de l'invention est un aspirateur comportant au moins un suceur selon le premier aspect de l'invention.A second aspect of the invention is a vacuum cleaner comprising at least one nozzle according to the first aspect of the invention.

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée qui suit d'un mode de réalisation de l'invention donné à titre d'exemple nullement limitatif et illustré par les dessins annexés, dans lesquels :

  • la figure 1 représente un suceur selon l'invention vu de dessous en perspective ;
  • la figure 2 représente le suceur de la figure 1 vu de profil ;
  • la figure 3 représente une vue en coupe du suceur de la figure 1.
Other features and advantages of the present invention will appear more clearly on reading the following detailed description of an embodiment of the invention given by way of non-limiting example and illustrated by the appended drawings, in which:
  • the figure 1 represents a nozzle according to the invention seen from below in perspective;
  • the figure 2 represents the sucker of the figure 1 seen in profile;
  • the figure 3 represents a sectional view of the nozzle of the figure 1 .

La figure 1 représente un suceur d'aspirateur 100 selon l'invention. Il comporte une semelle inférieure 10 avec une pluralité de canaux d'aspiration 20 ouverts vers le sol. Le suceur comporte également des roues 30, 35, dont le profil de la bande de roulement est en forme de tonneau et qui définit une garde au sol de la semelle 10 lorsque le suceur repose sur un sol lisse. Le suceur est en forme générale de triangle et au moins un des canaux 20 débouche dans la pointe du suceur. Chaque canal 20 relie un orifice d'aspiration 15, par exemple en forme de fente, vers l'extérieur de la semelle 10, de sorte que l'air aspiré par le moteur de l'aspirateur voyage préférentiellement dans les canaux de la semelle. Afin d'avoir une bonne efficacité d'aspiration, l'invention propose notamment de disposer autour de la semelle une lèvre d'étanchéité ou bavette d'étanchéité 40. Cette bavette d'étanchéité 40 supprime les fuites entre le sol lisse et la semelle 10, et pour avoir une bonne efficacité d'aspiration, la bavette d'étanchéité 40 est ajourée en regard des canaux 20, de sorte que l'air aspiré sous la semelle 10 ne peut qu'entrer directement dans les canaux 20. Il en résulte une bonne aspiration des impuretés du sol car les vitesses d'air dans les canaux 20 sont maximales, puisque tout l'air aspiré y passe.The figure 1 represents a suction nozzle 100 according to the invention. It comprises a bottom flange 10 with a plurality of suction channels 20 open to the ground. The nozzle also comprises wheels 30, 35, whose profile of the tread is barrel-shaped and which defines a ground clearance of the sole 10 when the nozzle rests on a smooth floor. The nozzle is in the general shape of a triangle and at least one of the channels 20 opens into the tip of the nozzle. Each channel 20 connects a suction orifice 15, for example in the form of a slot, towards the outside of the soleplate 10, so that the air sucked by the motor of the vacuum cleaner travels preferentially in the channels of the soleplate. In order to have a good suction efficiency, the invention proposes in particular to arrange around the soleplate a sealing lip or bib 40. This sealing lip 40 eliminates leaks between the smooth floor and the soleplate 10, and to have a good suction efficiency, the sealing strip 40 is perforated facing the channels 20, so that the air sucked under the sole 10 can only enter directly into the channels 20. It This results in good suction of impurities from the ground because the air velocities in the channels 20 are maximum, since all the air sucked passes through it.

La figure 2 représente une vue de profil du suceur 100 sur sol lisse. Les roues 30, 35 (ces dernières sont cachées par la bavette d'étanchéité) positionnent en hauteur le suceur 100 par rapport au sol. La bavette d'étanchéité 40 rase le sol, de sorte à supprimer les fuites d'air entre le sol et la semelle inférieure 10, et des ouvertures 45 de la bavette d'étanchéité 40 agencées directement en face des canaux laissent passer l'air dans ceux-ci pour entraîner les impuretés reposant sur le sol.The figure 2 represents a profile view of the nozzle 100 on a smooth floor. The wheels 30, 35 (the latter are hidden by the sealing lip) position the nozzle 100 in height relative to the ground. The sealing flap 40 shaves the ground, so as to eliminate air leakage between the ground and the bottom flange 10, and openings 45 of the sealing flap 40 arranged directly in front of the channels allow air to pass through. in these to entrain the impurities resting on the ground.

La figure 3 représente une coupe du suceur de la figure 1 selon la ligne 3-3, en cours d'utilisation sur une moquette 200. Le suceur 100 est poussé vers l'avant par l'utilisateur, grâce au profil des roues 30, 35 en forme de tonneau, les pressions de contact sur la moquette 200 sont élevées, ce qui permet au suceur de s'enfoncer dans cette dernière, et la bavette d'étanchéité 40 qui est suffisamment élastique se courbe. A l'avant de la semelle, un chanfrein 11 permet à la bavette d'étanchéité 40 de se courber et sert en même temps de butée à cette dernière. Ainsi, la position de la bavette est précise et elle peut glisser sur la moquette sans créer de résistance préjudiciable au mouvement. A l'arrière de la semelle inférieure, la bavette d'étanchéité 40 se courbe également, et une butée mécanique 12 est prévue pour limiter le pliage de la bavette 40. Selon la variante représentée, un chanfrein 11 est également présent à l'arrière de la semelle et une butée mécanique 12 est mise en place à l'avant de la semelle du suceur. Une brosse rotative (60) est agencée dans la fente d'aspiration 15, et le brossage de la moquette est efficace car le suceur, grâce à l'élasticité de la bavette d'étanchéité, s'enfonce correctement dans la moquette.The figure 3 represents a section of the nozzle of the figure 1 according to the line 3-3, in use on a carpet 200. The nozzle 100 is pushed forward by the user, thanks to the profile of the wheels 30, 35 barrel-shaped, the contact pressures on the carpets 200 are high, this which allows the nozzle to sink into the latter, and the sealing strip 40 which is sufficiently elastic curve. At the front of the sole, a chamfer 11 allows the seal flap 40 to bend and at the same time serves as a stop to the latter. Thus, the position of the flap is precise and it can slide on the carpet without creating resistance detrimental to the movement. At the rear of the lower flange, the sealing flange 40 also curves, and a mechanical stop 12 is provided to limit the folding of the flap 40. According to the variant shown, a chamfer 11 is also present at the rear the sole and a mechanical stop 12 is placed in front of the sole of the nozzle. A rotating brush (60) is arranged in the suction slot 15, and the brushing of the carpet is effective because the nozzle, thanks to the elasticity of the sealing strip, sinks properly into the carpet.

On comprendra que diverses modifications et/ou améliorations évidentes pour l'homme du métier peuvent être apportées au mode de réalisation de l'invention décrit dans la présente description sans sortir du cadre de l'invention défini par les revendications annexées.It will be understood that various modifications and / or improvements obvious to those skilled in the art can be made to the embodiment of the invention described in the present description without departing from the scope of the invention defined by the appended claims.

Claims (10)

  1. Vacuum cleaner nozzle (100) comprising a bottom sole (10) and wheels (30, 35) defining a ground clearance of the bottom sole which comprises at least one suction channel (20) open towards the ground and converging from an outer edge of the bottom sole (10) towards a suction port (15) connected to the vacuum cleaner, characterised in that the nozzle includes a sealing flap (40) arranged on the periphery of the bottom sole (10), and in that the sealing flap (40) has at least one opening (45) arranged opposite said at least one suction channel (20).
  2. Vacuum cleaner nozzle (100) according to claim 1, characterised in that the sealing flap (40) is flexible to allow it to curve as the nozzle moves over a carpet, so that the nozzle can press into the carpet.
  3. Vacuum cleaner nozzle (100) according to claim 1 or 2, characterised in that it comprises a rotary brush (60).
  4. Vacuum cleaner nozzle (100) according to claim 2 or 3, characterised in that the bottom sole (10) comprises at least one chamfer (11) arranged to allow the sealing flap (40) to curve as the nozzle moves over the carpet.
  5. Vacuum cleaner nozzle (100) according to claim 4, characterised in that said at least one chamfer (11) acts as a mechanical stop for the sealing flap (40) curved by moving the nozzle in a first direction.
  6. Vacuum cleaner nozzle (100) according to claim 5, characterised in that the bottom sole (10) comprises at least one mechanical stop (12) for the sealing flap (40) curved by movement in a second direction opposite to the first direction.
  7. Vacuum cleaner nozzle (100) according to one of claims 2 to 6, characterised in that the wheels (30, 35) have a tread arranged to define contact pressures with the carpet causing the nozzle to press into the carpet.
  8. Vacuum cleaner nozzle (100) according to one of claims 2 to 7, characterised in that said at least one opening of the uncurved sealing flap (40) defines a first air passage section, and in that the curvature of the sealing flap (40) defines a second air passage section.
  9. Vacuum cleaner nozzle (100) according to one of claims 2 to 8, characterised in that at least one portion of the sealing flap (40) is parallel to a forward or backward direction of movement of the nozzle and in that this parallel portion is preformed to curve away from the bottom sole (10) of the nozzle when the nozzle presses into the carpet.
  10. Vacuum cleaner comprising at least one vacuum nozzle (100) according to one of claims 1 to 9.
EP12773082.8A 2011-09-28 2012-09-25 Vacuum cleaner nozzle Active EP2760325B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1158711A FR2980353B1 (en) 2011-09-28 2011-09-28 VACUUM SUCKER
PCT/FR2012/052147 WO2013045818A1 (en) 2011-09-28 2012-09-25 Vacuum cleaner head

Publications (2)

Publication Number Publication Date
EP2760325A1 EP2760325A1 (en) 2014-08-06
EP2760325B1 true EP2760325B1 (en) 2016-02-24

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EP12773082.8A Active EP2760325B1 (en) 2011-09-28 2012-09-25 Vacuum cleaner nozzle

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US (1) US9788696B2 (en)
EP (1) EP2760325B1 (en)
JP (1) JP6105592B2 (en)
KR (1) KR102044565B1 (en)
CN (1) CN103826517B (en)
CA (1) CA2849235A1 (en)
ES (1) ES2571461T3 (en)
FR (1) FR2980353B1 (en)
RU (1) RU2594142C2 (en)
WO (1) WO2013045818A1 (en)

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Also Published As

Publication number Publication date
FR2980353B1 (en) 2013-10-25
RU2014116081A (en) 2015-11-10
ES2571461T3 (en) 2016-05-25
RU2594142C2 (en) 2016-08-10
KR102044565B1 (en) 2019-11-13
EP2760325A1 (en) 2014-08-06
JP6105592B2 (en) 2017-03-29
CA2849235A1 (en) 2013-04-04
US9788696B2 (en) 2017-10-17
US20150074940A1 (en) 2015-03-19
CN103826517B (en) 2018-04-10
KR20140066774A (en) 2014-06-02
CN103826517A (en) 2014-05-28
JP2014527889A (en) 2014-10-23
FR2980353A1 (en) 2013-03-29
WO2013045818A1 (en) 2013-04-04

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