EP1520504B1 - Suction nozzle for a vacuum cleaner - Google Patents

Suction nozzle for a vacuum cleaner Download PDF

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Publication number
EP1520504B1
EP1520504B1 EP04356153A EP04356153A EP1520504B1 EP 1520504 B1 EP1520504 B1 EP 1520504B1 EP 04356153 A EP04356153 A EP 04356153A EP 04356153 A EP04356153 A EP 04356153A EP 1520504 B1 EP1520504 B1 EP 1520504B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
vacuum cleaner
brushes
soleplate
pedal
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.)
Not-in-force
Application number
EP04356153A
Other languages
German (de)
French (fr)
Other versions
EP1520504A1 (en
Inventor
Alain Soen
Fabien David
Isabelle Soudet
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 EP1520504A1 publication Critical patent/EP1520504A1/en
Application granted granted Critical
Publication of EP1520504B1 publication Critical patent/EP1520504B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L9/0633—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads
    • A47L9/064—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads actuating means therefor
    • A47L9/0653—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads actuating means therefor with mechanical actuation, e.g. using a lever
    • 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
    • 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

Definitions

  • the present invention relates to a dust suction nozzle, and more particularly to an improvement of the waste collection efficiency.
  • Vacuum suckers are waste collection devices that contaminate the surface to be cleaned. They are therefore the object of many improvements aimed in particular to improve such collection.
  • the brushes output mechanism comprises a pivoting lever which drives, in its rotation, valves that make it possible or not to perform the air-flow connection between the air inlets at the cap and the tubing connecting the nozzle to the body. of the vacuum cleaner.
  • Such an air inlet automatically creates an air leak at the nozzle cap, thus locally reducing the suction power at the nozzle, facilitating its movement.
  • the present invention aims to improve the principle which has just been exposed by presenting an improved performance nozzle for a plurality of floors.
  • the suction nozzle open to the surface to be cleaned by at least one suction channel formed in the sole of the nozzle, said nozzle comprising at least one retractable brush, arranged in a housing and slidably mounted through of an obviously realized in the sole, said brush being able to occupy two positions: an extended position where it is prominent relative to the sole of the nozzle and a retracted position where it is slightly set back from said sole, characterized in that, in the extended position, the housing of the brush makes an airtight contact with the sole, while in the retracted position, at least one air passage is provided between the recess of the sole and the upper part of the nozzle, said upper part having an opening inlet air, to create a flow of air entering the nozzle at this point and opening into the sole at the recess when the brush is in the retracted position.
  • the two positions of the brush make it possible to obtain different contact surfaces depending on the soils to be treated and / or the actions envisaged. It is indeed interesting to occasionally have brush (s) to solicit the surface of the soil to be treated, for example carpet, to extract the waste attached to the fibers.
  • the air flows entering the nozzle may be modified according to the position of the brush or brushes. Indeed, when the brushes are out, the air is sucked essentially through the brushes. When the latter are retracted, the squeegee rests by the sole on the ground and an outside air inlet from the upper part of the nozzle is injected into the ground through the passage areas of the brushes in the sole.
  • Such an air intake at this level facilitates in particular the displacement of the nozzle on the ground, but also makes it possible to create airfoils at defined locations, and in particular the edges of the channels where the brushes are generally located, where a majority of the dust is raised and dragged into the squeegee, thus contributing to more efficient waste collection.
  • the upper portion of the nozzle is constituted by a cover, the air inlet opening is then made at said cover.
  • the cover has a perforated portion on which is reported a viewing window made of a transparent material.
  • a possible construction is then to make the opening at the junction between the viewing window and the openwork portion of the cover by a space between these parts, thus avoiding creating a particular opening at the hood, which, by elsewhere, could have been misunderstood by the user.
  • an improvement consists in producing a baffle at the opening, in order to reduce the transmission of the noise towards the outside through this opening.
  • the nozzle is of substantially triangular shape having in particular two side edges forming the tip of the nozzle, said nozzle having two channels arranged along the two side edges forming the tip of the nozzle, and that each suction channel is bordered by front brushes and rear brushes slidable in recesses in the sole, said brushes being located on either side of the channel extending substantially parallel to the latter.
  • the two positions of the brush or brushes are controlled by a mechanism actuated by a pedal.
  • the pedal is advantageously mounted in rotation on the soleplate of the nozzle, the rod being linked, on the one hand to the pedal by a portion parallel to the axis of rotation of the pedal, and on the other hand to the carriages by portions substantially perpendicular to the axis of rotation of the pedal, so that such a rotation of the pedal causes a horizontal movement of the carriages.
  • the rockers and trolleys are symmetrical with respect to a median vertical plane to the nozzle, which allows to evenly distribute the forces on each sub-assembly formed by a carriage, a rocker, a front brush and a rear brush. This symmetry ensures uniform movement of the different brushes.
  • the brushes at the rear of the channels meet at the junction of the two side channels forming an inverted V.
  • this rear brush extending sinuating from one edge to the other of the nozzle allows, when the brushes are out, a good stability of the nozzle on the floor to be treated without the risk of tilting forward or towards the back the nozzle during his travels.
  • the nozzle remains well flat on the floor to clean.
  • the front edge of the nozzle has at least one front orifice intended to ensure suction in a direction substantially parallel to the surface to be cleaned, said front suction orifice being connected to one of the suction channels.
  • the present invention relates to a vacuum nozzle 1.
  • Squeegee has a connection tube 2 connecting to a vacuum cleaner body, not shown, including a motor-fan capable of creating an air intake flow.
  • the connecting tube 2 opens at the sole 11 of the nozzle in contact with the soil 4 to be cleaned, via connecting conduits 3. These conduits open on the suction channels. These channels are generally configured according to the shape of the nozzle, in order to optimize the suction efficiency. In the example presented where the nozzle is shaped triangular, the suction channels, as shown by the dashed lines 10, extend in part along the two edges 5, 6 forming the tip of the nozzle, as well as in said tip of the nozzle after being joined in the part central of the nozzle.
  • the angular zone forming the tip of the nozzle comprises a front orifice 7 intended to provide suction in a direction substantially parallel to the surface to be cleaned.
  • the suction channels are closed on the one hand by an internal structure made in part during the manufacture by molding of the sole, such as the parts of the suction channels extending along the edges and opening through the opening 7, but also by an upper part 14 which, according to the embodiment, is a viewing area made by making transparent the triangular piece attached to the sole.
  • this viewing area may cover a larger field than that of the suction channel, in order to adjust the target of the waste to be extracted from the ground.
  • the cover 12 then has a simple opening 15 opposite the part 14, as it is visible figure 9 .
  • the viewing area has a magnifying effect, having a convex shape.
  • the waste under the viewing area is magnified, improving the visualization of the surface to be cleaned.
  • the figure 2 presents the nozzle seen from below.
  • the sole 11 of The nozzle comprises several suction channels: a channel 19 substantially parallel to the edge 6 of the nozzle, a channel 20 substantially parallel to the edge 5 of the nozzle. These channels meet in the central region 21 of the nozzle.
  • the channels 19 and 20 have front openings, that is to say in the vertical flanges of the sole, respectively 36 and 35, allowing a lateral suction substantially parallel to the surface to be cleaned.
  • the triangular shape is completed, at the rear of the nozzle, by a solid portion 40 having two locations 42 of means promoting the displacement of the nozzle, which may be either PTFE-type pads or wheels, such as visible wheels 43 to the figure 9 .
  • the nozzle also comprises a blade 23 extending in the region 21, from the edge 5 of the nozzle to the edge 6, thus defining a front channel 18 and a rear channel 22, the front channel 18 opening at the tip of the nozzle by the front opening 7.
  • This blade 23 has a zone 24 where is disposed a pull-wire fabric as it is known per se.
  • This blade 23 connects the edge 5 to the edge 6 as a bridge, providing a space between the face opposite the zone 24 and the upper part 14. This blade is preferably parallel to the rear edge 9 of the nozzle.
  • a second zone 124 carrying a pull-out fabric may be provided on a border of the channel 22, symmetrically to the zone 24 carrying the pull-son.
  • the channels 19 and 20 each have scraping blades 46 and 45 extending respectively from the edge 6 and the edge 5 towards the other edge in the suction channel.
  • these blades are fixed and issuing from the bottom plate of the nozzle, extending substantially parallel to the rear edge 9 over a distance close to half the width of the channel.
  • these blades are not or are not prominent relative to the bottom plate of the nozzle.
  • the nozzle comprises brushes 55, 56, 57, said brushes being retractable through the sole.
  • the brush 55 is disposed between the suction channel 20 and the edge 5, while the brush 56 is disposed between the suction channel 19 and the edge 6.
  • the channels 19 and 20 joining at the front of the nozzle forming an inverted V, the rear brush 57 follows this shape along the border defined by the two channels and their meeting.
  • the rear brush has in particular a notch 157 in the middle of the brush, that is to say in the bowl form of said brush, to facilitate the suction of waste that can be housed in this form of the brush at the moment the movement towards the back of the nozzle.
  • the Figures 3, 4 and 5 represent, in isolation, the brushes and the output control mechanism of said brushes.
  • a remarkable fact of the device is, in addition to the arrangement of the pedal, its perfect symmetry with respect to a vertical median plane and perpendicular to the nozzle.
  • the pedal 8 comprises a lateral stud 81 intended for its connection with the sole of the nozzle, via a vertical piece 82, visible figure 9 and having a hole in which said stud is housed.
  • the stud thus housed in the piece 82 constitutes a pivot axis of the pedal.
  • the latter also has a hollow extension 83.
  • the pedal 8 is linked to a rigid rod 28 of motion transmission, this rod being fixed to the pedal in the extension of the axis of rotation of the pedal, ie in the extension of the pin 81, as it is clearly visible figure 4 .
  • This rod comprises several elbows constituting a specific shape whose particularity is to remain flat by including a horizontal portion 280 which is the connecting portion with the pedal, and two substantially vertical portions 282. These are located at each end of the rod and are each connected with a carriage 85, 86.
  • the vertical portion 282 located under the pedal 8 passes into the hollow portion of the extension 83 of the pedal which thus constitutes a guide of the rod and ensures the transmission of the force at the stem.
  • the rod 28 is also supported by two vertical supports 128 from the sole.
  • the carriages 85, 86 are two identical L-shaped pieces having a rather long horizontal portion directed forwardly of the nozzle and a shorter vertical portion directed downwardly. These carriages are secured between the sole of the squeegee and the hood so as to be able to move only horizontally, towards the front or towards the rear of the squeegee. Two arches 194, visible figure 10 , derived from the sole and through which are mounted the carriages 85, 86, in particular allow to prohibit any vertical movement of said carriages.
  • Each carriage 85, 86 has, at the front end of their horizontal portion, a beveled shape, respectively 185, 186.
  • These beveled portions constitute cam surfaces that can interact with parts 125, 126 beveled identically in independent parts 75, 76 in correspondence called rockers, during the horizontal movement of said carriages.
  • the beveled portions 125, 126 open at their upper part, on a substantially horizontal flat portion respectively 25, 26.
  • each carriage 85, 86 is capable of interacting respectively with the rocker 75 and the rocker 76.
  • the rockers are substantially flat parts which are mounted in the nozzle having a degree of freedom in a vertical direction, being maintained in their horizontal clearance essentially by the sole of the nozzle, for example using slide pins 192 from the sole and on which can slide the rockers through openings 175, 176 in correspondence of the pins 192.
  • each piece or some of them may be provided with gaudrons or small vertical bulges to facilitate the vertical translation of the rockers.
  • the sole will also be equipped with gaudrons under each carriage for maintaining the carriages in the brushes output position in order to avoid the inadvertent triggering of the mechanism.
  • a spring 165, 166 is mounted between each tipper 75, 76 and the sole of the nozzle.
  • Each rocker comprises housings 65, 66 for the brushes 55, 56, each brush being held at the housing, essentially by resilient clamps of the clip type 95, 96.
  • the sole has openings for passage of the brushes.
  • an opening 600 allows the vertical movement of the brush 56 to allow the latter to emerge from the sole.
  • This opening is delimited by an advantageously crenellated contour 602 making it possible to form a sealing abutment of the housing 66 of the brushes on the soleplate when the brush is out.
  • a contrario when the brushes are in the retracted position, a space is provided at the passages 600 of brushes thus allowing aeraulic connection between the interior of the nozzle and the space under the sole. Furthermore, a ventilation link is also provided between the inside of the nozzle and the outside at the cover 12 of the nozzle.
  • FIG 13 which is a sectional view according to AA of the figure 12 , this air inlet 134 at the connection between the nozzle and the connecting tube 2.
  • This air inlet is simply obtained by providing sufficient space at the opening 13 of the hood defined by the contour 130, between the connecting ducts 3 and the hood 12.
  • a substantially vertical wall 132 is disposed near the air inlet 134.
  • This wall cooperates with a substantially vertical wall 195 for closing the suction channel, said wall coming from the sole, in order to create a baffle for incoming air as it is visible figure 13 .
  • Such a chicane makes it possible to reduce the noise associated with the passage of the air.
  • the substantially vertical portions 282 also pivot, causing a forward displacement of the carriages 85, 86 linked to the ends 282 of said rod.
  • This advance of the carriages causes the cooperation of the bevelled parts of the carriages with those of the rockers.
  • the latter under the forward movement of the carriages, undergo a vertical downward movement against the restoring force of the springs 165 , 166, the play of the slopes sliding the rockers 75, 76 under the carriages 85, 86, the latter bearing respectively on the plane portions 25, 26.
  • the brushes in the extended position delimit a predetermined height clearance between the ground and the sole defining the lower peripheral passage section of the air intake.
  • the dust released by the brushes is removed by the horizontal air flows at the periphery of the nozzle and then vertical upwards in the channels.
  • the nozzle rests by the sole on the floor to be treated and an air inlet opening under the nozzle is then created, the air entering the nozzle through the upper opening 132 formed at the joint and exiting under the sole by the openings 600 formed in the sole for the passage of the brushes.
  • the baffle created by the walls 195 and 132 and visible on the path of the air represented by the bold arrow of the figure 13 reduces the noise associated with this passage of air.
  • the air flow is then conducted to create aeraulic blades in strategic locations, namely along the channels where all the dust is raised.
  • the air inlet under the sole of the nozzle makes it easier to move.
  • the air inlet can be made at the opening 80 for housing the pedal 8, or at the level of the viewing opening 15, ...
  • various methods and materials can be used to reduce the noise of the nozzle, such as resonant cavities, sound insulation foam, felts, ....

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Manipulator (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Liquid Crystal (AREA)
  • Cleaning In General (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The nozzle has brushes (55-57) placed in respective housings (65-67). An air passage from an upper part of the nozzle is driven into ground when the brushes are in re-entry position. A soleplate (11) has sucking channels with front openings in vertical edges of the soleplate. The passage permits to create aeraulic blades in channel edges from where dust is lifted and carried into the nozzle.

Description

La présente invention concerne un suceur d'aspirateur à poussières, et plus particulièrement une amélioration de l'efficacité de collecte des déchets.The present invention relates to a dust suction nozzle, and more particularly to an improvement of the waste collection efficiency.

Les suceurs d'aspirateur constituent des organes de collecte des déchets souillant la surface à nettoyer. Ils font donc l'objet de nombreux perfectionnements visant en particulier à améliorer une telle collecte.Vacuum suckers are waste collection devices that contaminate the surface to be cleaned. They are therefore the object of many improvements aimed in particular to improve such collection.

De nombreux suceurs présentant des brosses escamotables ont déjà été proposés par le passé, par exemple dans le brevet FR 2 313 004 où les brosses sont situées le long du canal unique d'aspiration et peuvent faire saillie par l'intermédiaire d'une rampe hélicoïdale. Le mécanisme de déplacement des brosses est indépendant du circuit d'aspiration.Many suction cups having retractable brushes have already been proposed in the past, for example in the FR 2 313 004 where the brushes are located along the single suction channel and can protrude through a helical ramp. The mechanism of movement of the brushes is independent of the suction circuit.

Il est par ailleurs connu, par le document GB 1 119 876 , un suceur d'aspirateur muni de brosses et comportant des entrées d'air au niveau du capot du suceur, ces entrées d'air n'étant effectives que lorsque les brosses sont rentrées. A cet effet, le mécanisme de sortie des brosses comporte une manette pivotante qui entraîne, dans sa rotation, des clapets qui permettent ou non de réaliser la liaison aéraulique entre les entrées d'air au niveau du capot et la tubulure reliant le suceur au corps de l'aspirateur. Une telle entrée d'air permet de créer automatiquement une fuite d'air au niveau du capot du suceur, diminuant ainsi localement la puissance d'aspiration au niveau du suceur, facilitant ainsi son déplacement.It is also known from the document GB 1 119 876 , a suction nozzle equipped with brushes and having air inlets at the nozzle cap, these air inlets being effective only when the brushes are retracted. For this purpose, the brushes output mechanism comprises a pivoting lever which drives, in its rotation, valves that make it possible or not to perform the air-flow connection between the air inlets at the cap and the tubing connecting the nozzle to the body. of the vacuum cleaner. Such an air inlet automatically creates an air leak at the nozzle cap, thus locally reducing the suction power at the nozzle, facilitating its movement.

La présente invention vise à améliorer le principe qui vient d'être exposé en présentant un suceur aux performances améliorées pour une pluralité de sols.The present invention aims to improve the principle which has just been exposed by presenting an improved performance nozzle for a plurality of floors.

Selon l'invention, le suceur d'aspirateur ouvert vers la surface à nettoyer par au moins un canal d'aspiration ménagé dans la semelle du suceur, ledit suceur comportant au moins une brosse escamotable, agencée dans un logement et montée en coulissement au travers d'un évidemment réalisé dans la semelle, ladite brosse pouvant occuper deux positions : une position sortie où elle est proéminente par rapport à la semelle du suceur et une position rentrée où elle est légèrement en retrait de ladite semelle, caractérisé en ce que, en position sortie, le logement de la brosse réalise un contact étanche à l'air avec la semelle, alors qu'en position rentrée, au moins un passage d'air est ménagé entre l'évidement de la semelle et la partie supérieure du suceur, ladite partie supérieure comportant une ouverture d'entrée d'air, afin de créer un flux d'air entrant dans le suceur à cet endroit et débouchant dans la semelle au niveau de l'évidement lorsque la brosse est en position rentrée.According to the invention, the suction nozzle open to the surface to be cleaned by at least one suction channel formed in the sole of the nozzle, said nozzle comprising at least one retractable brush, arranged in a housing and slidably mounted through of an obviously realized in the sole, said brush being able to occupy two positions: an extended position where it is prominent relative to the sole of the nozzle and a retracted position where it is slightly set back from said sole, characterized in that, in the extended position, the housing of the brush makes an airtight contact with the sole, while in the retracted position, at least one air passage is provided between the recess of the sole and the upper part of the nozzle, said upper part having an opening inlet air, to create a flow of air entering the nozzle at this point and opening into the sole at the recess when the brush is in the retracted position.

En effet, après de nombreux essais en atelier, il s'est avéré intéressant de modifier quelque peu les flux entrant dans le suceur selon la position sortie ou non de la brosse.Indeed, after many tests in the workshop, it has been interesting to change somewhat the flow into the nozzle according to the position of the brush or not.

Les deux positions de la brosse permettent d'obtenir des surfaces de contact différentes selon les sols à traiter et/ou les actions envisagées. Il est en effet intéressant de pouvoir ponctuellement disposer de brosse(s) permettant de solliciter la surface du sol à traiter, par exemple la moquette, afin d'en extraire les déchets accrochés aux fibres.The two positions of the brush make it possible to obtain different contact surfaces depending on the soils to be treated and / or the actions envisaged. It is indeed interesting to occasionally have brush (s) to solicit the surface of the soil to be treated, for example carpet, to extract the waste attached to the fibers.

Dans cette optique, il peut s'avérer avantageux de modifier les flux d'air entrant dans le suceur selon la position de la ou des brosses. En effet, lorsque les brosses sont sorties, l'air est aspiré essentiellement au travers des brosses. Lorsque ces dernières sont rentrées, le suceur repose par la semelle sur le sol et une entrée d'air extérieure en provenance de la partie supérieure du suceur est injectée dans le sol au travers des zones de passage des brosses ménagées dans la semelle.In this context, it may be advantageous to modify the air flows entering the nozzle according to the position of the brush or brushes. Indeed, when the brushes are out, the air is sucked essentially through the brushes. When the latter are retracted, the squeegee rests by the sole on the ground and an outside air inlet from the upper part of the nozzle is injected into the ground through the passage areas of the brushes in the sole.

Une telle entrée d'air à ce niveau facilite notamment le déplacement du suceur sur le sol, mais permet également de créer des lames aérauliques en des emplacements définis, et notamment les bordures des canaux où sont généralement situées les brosses, où une majorité des poussières est soulevée et entraînée dans le suceur, contribuant ainsi à une collecte plus efficace des déchets.Such an air intake at this level facilitates in particular the displacement of the nozzle on the ground, but also makes it possible to create airfoils at defined locations, and in particular the edges of the channels where the brushes are generally located, where a majority of the dust is raised and dragged into the squeegee, thus contributing to more efficient waste collection.

Avantageusement, la partie supérieure du suceur est constituée par un capot, l'ouverture d'entrée d'air est alors réalisée au niveau dudit capot.Advantageously, the upper portion of the nozzle is constituted by a cover, the air inlet opening is then made at said cover.

Dans une version particulière de réalisation de l'invention, le capot comporte une partie ajourée sur laquelle est rapportée une fenêtre de visualisation réalisée en un matériau transparent. Une construction possible est alors de réaliser l'ouverture au niveau de la jonction entre la fenêtre de visualisation et la partie ajourée du capot par un espace ménagé entre ces pièces, évitant ainsi de créer une ouverture particulière au niveau du capot, ce qui, par ailleurs, aurait pu être mal perçu par l'utilisateur.In a particular embodiment of the invention, the cover has a perforated portion on which is reported a viewing window made of a transparent material. A possible construction is then to make the opening at the junction between the viewing window and the openwork portion of the cover by a space between these parts, thus avoiding creating a particular opening at the hood, which, by elsewhere, could have been misunderstood by the user.

D'autres configurations sont envisageables pour la réalisation d'une ouverture au niveau du capot. Il est notamment possible de réaliser une ouverture au niveau de la commande de sortie des brosses, ou au niveau de la jonction du suceur avec le tube de liaison. Il est également envisageable de dégrader l'étanchéité du capot sur la semelle afin de laisser un jeu suffisant entre le capot et la semelle pour une entrée d'air à ce niveau.Other configurations are conceivable for making an opening at the hood. In particular, it is possible to make an opening at the outlet control of the brushes, or at the junction of the nozzle with the connecting tube. It is also possible to degrade the tightness of the hood on the sole to allow sufficient clearance between the hood and the sole for an air intake at this level.

Selon l'une ou l'autre de ces configurations, un perfectionnement consiste à réaliser une chicane au niveau de l'ouverture, afin de réduire la transmission du bruit vers l'extérieur par cette ouverture.According to one or other of these configurations, an improvement consists in producing a baffle at the opening, in order to reduce the transmission of the noise towards the outside through this opening.

Selon un mode préféré de réalisation de l'invention, le suceur est de forme sensiblement triangulaire en présentant notamment deux bords latéraux formant la pointe du suceur, ledit suceur comportant deux canaux agencés le long des deux bords latéraux formant la pointe du suceur, et en ce que chaque canal d'aspiration est bordé par des brosses avant et des brosses arrière pouvant coulisser dans des évidements ménagés dans la semelle, lesdites brosses étant situées de part et d'autre du canal en s'étendant sensiblement parallèlement à ce dernier.According to a preferred embodiment of the invention, the nozzle is of substantially triangular shape having in particular two side edges forming the tip of the nozzle, said nozzle having two channels arranged along the two side edges forming the tip of the nozzle, and that each suction channel is bordered by front brushes and rear brushes slidable in recesses in the sole, said brushes being located on either side of the channel extending substantially parallel to the latter.

En bordant chaque canal d'aspiration par des brosses, on permet d'améliorer l'efficacité d'aspiration au niveau de chacun des canaux puisque ces derniers sont en quelque sorte fermés par lesdites brosses. Par ailleurs, les deux opérations de brossage du sol à traiter suivi immédiatement d'une aspiration se produiront quel que soit le sens de déplacement du suceur, que ce soit vers l'avant ou vers l'arrière.Bordering each suction channel with brushes, it is possible to improve the suction efficiency at each of the channels since the latter are somehow closed by said brushes. Moreover, the two operations of brushing the soil to be treated immediately followed by a suction will occur regardless of the direction of movement of the nozzle, either forward or backward.

Avantageusement, afin de facilité le maniement des brosses, les deux positions de la brosse ou des brosses sont contrôlées par un mécanisme actionné par une pédale.Advantageously, in order to facilitate the handling of the brushes, the two positions of the brush or brushes are controlled by a mechanism actuated by a pedal.

Selon un mode préféré de réalisation, le mécanisme comporte :

  • deux basculeurs portant les brosses et mobiles verticalement par rapport à la semelle contre la force de rappel de deux ressorts,
  • deux chariots mobiles horizontalement et susceptibles d'interagir chacun avec l'un des basculeurs par l'intermédiaire d'une surface de came inclinée lors de ce mouvement horizontal,
  • une tige de liaison liant la pédale de commande aux deux chariots.
According to a preferred embodiment, the mechanism comprises:
  • two rockers carrying the brushes and movable vertically relative to the sole against the restoring force of two springs,
  • two carriages movable horizontally and capable of interacting each with one of the rockers via an inclined cam surface during this horizontal movement,
  • a connecting rod connecting the control pedal to the two carriages.

La transformation du mouvement horizontal des chariots en mouvement vertical des basculeurs portant les brosses à l'aide d'une surface de came inclinée permet, par ce dispositif simple, de conférer au suceur une allure compacte par le faible encombrement du dispositif.The transformation of the horizontal movement of the carriages in vertical movement of the rockers carrying the brushes by means of an inclined cam surface makes it possible, by this simple device, to give the nozzle a compact appearance by the small size of the device.

Selon cette disposition, la pédale est avantageusement montée en rotation sur la semelle du suceur, la tige étant liée, d'une part à la pédale par une portion parallèle à l'axe de rotation de la pédale, et d'autre part aux chariots par des portions sensiblement perpendiculaires à l'axe de rotation de la pédale, de sorte qu'une telle rotation de la pédale provoque un déplacement horizontal des chariots.According to this arrangement, the pedal is advantageously mounted in rotation on the soleplate of the nozzle, the rod being linked, on the one hand to the pedal by a portion parallel to the axis of rotation of the pedal, and on the other hand to the carriages by portions substantially perpendicular to the axis of rotation of the pedal, so that such a rotation of the pedal causes a horizontal movement of the carriages.

Avantageusement, les basculeurs et chariots sont symétriques par rapport à un plan vertical médian au suceur, ce qui permet de répartir équitablement les efforts sur chaque sous-ensemble formé par un chariot, un basculeur, une brosse avant et une brosse arrière. Cette symétrie garantit un mouvement uniforme des différentes brosses.Advantageously, the rockers and trolleys are symmetrical with respect to a median vertical plane to the nozzle, which allows to evenly distribute the forces on each sub-assembly formed by a carriage, a rocker, a front brush and a rear brush. This symmetry ensures uniform movement of the different brushes.

Selon une version préférée de réalisation, les brosses à l'arrière des canaux se rejoignent au niveau de la jonction des deux canaux latéraux en formant un V inversé.According to a preferred embodiment, the brushes at the rear of the channels meet at the junction of the two side channels forming an inverted V.

La présence de cette brosse arrière s'étendant en sinuant d'un bord à l'autre du suceur permet, lorsque les brosses sont sorties, une bonne stabilité du suceur sur le sol à traiter sans risquer d'incliner vers l'avant ou vers l'arrière le suceur lors de ses déplacements. Le suceur reste ainsi bien à plat sur le sol à nettoyer.The presence of this rear brush extending sinuating from one edge to the other of the nozzle allows, when the brushes are out, a good stability of the nozzle on the floor to be treated without the risk of tilting forward or towards the back the nozzle during his travels. The nozzle remains well flat on the floor to clean.

Selon cette dernière configuration, chaque basculeur comporte les points d'appui de l'une des brosses avant et une partie des points d'appui de la brosse arrière.According to this latter configuration, each rocker comprises the points of support of one of the front brushes and a portion of the support points of the rear brush.

Avantageusement, le rebord avant du suceur présente au moins un orifice frontal destiné à assurer une aspiration dans une direction sensiblement parallèle à la surface à nettoyer, ledit orifice frontal d'aspiration étant relié à l'un des canaux d'aspiration.Advantageously, the front edge of the nozzle has at least one front orifice intended to ensure suction in a direction substantially parallel to the surface to be cleaned, said front suction orifice being connected to one of the suction channels.

L'un des avantages de cette structure est, non seulement de pouvoir physiquement disposer le suceur dans les coins des pièces à nettoyer, mais également d'aspirer véritablement au niveau de la pointe et même légèrement en avant de cette pointe, par l'ouverture frontale ainsi ménagée. Une telle facilité d'utilisation évite principalement le recours à de petits accessoires de nettoyage que l'on dispose à la place du suceur pour accéder aux endroits étroits tels notamment les coins et recoins.One of the advantages of this structure is not only to physically have the nozzle in the corners of the parts to be cleaned, but also to suck really at the tip and even slightly ahead of this tip, through the opening frontal thus arranged. Such ease of use primarily avoids the use of small cleaning accessories that are available instead of the nozzle to access narrow places such as nooks and crannies.

Par ailleurs, il s'est avéré très pratique et facile de diriger la pointe vers les objets à ramasser ou les coins à nettoyer, puisque cette pointe est dans l'axe du tube, donc dans l'axe de la poussée lorsque le suceur est déplacé. L'intérêt est alors de pouvoir viser tout objet en champ libre et non pas uniquement dans les coins.Moreover, it has proved very practical and easy to direct the tip towards the objects to pick up or corners to clean, since this tip is in the axis of the tube, so in the axis of the thrust when the nozzle is moved. The interest is then to be able to target any object in free field and not only in the corners.

D'autres caractéristiques et avantages de l'invention ressortiront de la description qui va suivre, prise à titre d'exemple non limitatif, en référence aux figures annexées dans lesquelles :

  • la figure 1 présente, dans une vue schématique de dessus, un suceur conforme à la présente invention,
  • la figure 2 présente une vue de dessous d'un suceur selon l'invention,
  • les figures 3 et 4 représentent, en perspective, respectivement une vue de dessus et de dessous de certaines parties constitutives d'un suceur selon l'invention,
  • les figures 5 et 6 représentent, dans une vue en élévation latérale, respectivement une vue du suceur brosses sorties et une vue du suceur brosses rentrées, la semelle du suceur ayant été omise,
  • les figures 7 et 8 présentent dans une vue de profil, respectivement une vue du suceur brosses sorties et une vue du suceur brosses rentrées,
  • la figure 9 est une vue éclatée du suceur selon l'invention,
  • la figure 10 est une vue en perspective avant de la semelle munie de la fenêtre de visualisation,
  • la figure 11 est une vue du capot retourné avec certaines parties apparentes du suceur,
  • la figure 12 est une vue de dessus du suceur,
  • la figure 13 est une vue en coupe selon l'axe A-A de la figure 12.
Other features and advantages of the invention will emerge from the description which follows, taken by way of non-limiting example, with reference to the appended figures in which:
  • the figure 1 presents, in a schematic view from above, a nozzle according to the present invention,
  • the figure 2 shows a bottom view of a nozzle according to the invention,
  • the Figures 3 and 4 represent, in perspective, respectively a view from above and from below of certain constituent parts of a nozzle according to the invention,
  • the Figures 5 and 6 show, in a side elevational view, respectively a view of the nozzle brushes outlets and a view of the nozzle brushes retracted, the sole of the nozzle having been omitted,
  • the Figures 7 and 8 present in a profile view, respectively a view of the nozzle brushes outlets and a view of the nozzle brushes retracted,
  • the figure 9 is an exploded view of the nozzle according to the invention,
  • the figure 10 is a perspective view before the sole provided with the viewing window,
  • the figure 11 is a view of the hood turned upside down with some exposed parts of the nozzle,
  • the figure 12 is a top view of the nozzle,
  • the figure 13 is a sectional view along the axis AA of the figure 12 .

La présente invention concerne un suceur 1 d'aspirateur. Un tel. suceur possède un tube de liaison 2 de raccordement à un corps d'aspirateur, non représenté, possédant notamment un moto-ventilateur susceptible de créer un flux d'aspiration d'air.The present invention relates to a vacuum nozzle 1. Such. Squeegee has a connection tube 2 connecting to a vacuum cleaner body, not shown, including a motor-fan capable of creating an air intake flow.

Le tube de liaison 2 débouche au niveau de la semelle 11 du suceur en contact avec le sol 4 à nettoyer, par l'intermédiaire de conduits de raccordement 3. Ces conduits débouchent sur les canaux d'aspiration. Ces canaux sont généralement configurés selon la forme du suceur, afin d'optimiser l'efficacité d'aspiration. Dans l'exemple présenté où le suceur est de forme triangulaire, les canaux d'aspiration, tels que représentés par les pointillés 10, s'étendent en partie le long des deux bords 5, 6 formant la pointe du suceur, ainsi que dans ladite pointe du suceur après s'être rejoints dans la partie centrale du suceur.The connecting tube 2 opens at the sole 11 of the nozzle in contact with the soil 4 to be cleaned, via connecting conduits 3. These conduits open on the suction channels. These channels are generally configured according to the shape of the nozzle, in order to optimize the suction efficiency. In the example presented where the nozzle is shaped triangular, the suction channels, as shown by the dashed lines 10, extend in part along the two edges 5, 6 forming the tip of the nozzle, as well as in said tip of the nozzle after being joined in the part central of the nozzle.

Avantageusement, la zone angulaire formant la pointe du suceur comporte un orifice frontal 7 destiné à assurer une aspiration dans une direction sensiblement parallèle à la surface à nettoyer.Advantageously, the angular zone forming the tip of the nozzle comprises a front orifice 7 intended to provide suction in a direction substantially parallel to the surface to be cleaned.

Par ailleurs, dans la forme de réalisation présentée, le suceur possède des brosses escamotables actionnées par une pédale 8 pivotante. Cette pédale 8 est accessible au niveau du capot 12 du suceur. Ce dernier, dans cet exemple de réalisation, ne présente essentiellement que des fonctions esthétiques et de protection de l'environnement.Moreover, in the embodiment shown, the nozzle has retractable brushes actuated by a pedal 8 pivoting. This pedal 8 is accessible at the hood 12 of the nozzle. The latter, in this embodiment, has essentially only aesthetic functions and environmental protection.

En effet, les canaux d'aspiration sont fermés, d'une part par une structure interne réalisée en partie lors de la fabrication par moulage de la semelle, telles les parties des canaux d'aspiration s'étendant le long des bords et débouchant par l'ouverture 7, mais également par une pièce supérieure 14 qui, selon l'exemple de réalisation, est une zone de visualisation réalisée en rendant transparente la pièce triangulaire rapportée sur la semelle.Indeed, the suction channels are closed on the one hand by an internal structure made in part during the manufacture by molding of the sole, such as the parts of the suction channels extending along the edges and opening through the opening 7, but also by an upper part 14 which, according to the embodiment, is a viewing area made by making transparent the triangular piece attached to the sole.

Une telle particularité permet de visualiser les déchets 16 sur la surface en cours de nettoyage. Selon la forme du suceur et du ou des canaux d'aspiration, cette zone de visualisation peut couvrir un champ plus important que celui du canal d'aspiration, afin d'ajuster la visée des déchets à extraire du sol.Such a feature allows to view the waste 16 on the surface being cleaned. Depending on the shape of the nozzle and the suction channel or channels, this viewing area may cover a larger field than that of the suction channel, in order to adjust the target of the waste to be extracted from the ground.

Le capot 12 présente alors une simple ouverture 15 en regard de la pièce 14, tel qu'il est visible figure 9.The cover 12 then has a simple opening 15 opposite the part 14, as it is visible figure 9 .

Avantageusement, la zone de visualisation possède un effet de loupe, en présentant une forme convexe. Ainsi, les déchets sous la zone de visualisation sont grossis, améliorant ainsi la visualisation de la surface à nettoyer.Advantageously, the viewing area has a magnifying effect, having a convex shape. Thus, the waste under the viewing area is magnified, improving the visualization of the surface to be cleaned.

La figure 2 présente le suceur vu de dessous. Ainsi la semelle 11 du suceur comporte plusieurs canaux d'aspiration : un canal 19 sensiblement parallèle au bord 6 du suceur, un canal 20 sensiblement parallèle au bord 5 du suceur. Ces canaux se rejoignent dans la région centrale 21 du suceur. Les canaux 19 et 20 possèdent des ouvertures frontales, c'est-à-dire dans les rebords verticaux de la semelle, respectivement 36 et 35, permettant une aspiration latérale sensiblement parallèle à la surface à nettoyer.The figure 2 presents the nozzle seen from below. So the sole 11 of The nozzle comprises several suction channels: a channel 19 substantially parallel to the edge 6 of the nozzle, a channel 20 substantially parallel to the edge 5 of the nozzle. These channels meet in the central region 21 of the nozzle. The channels 19 and 20 have front openings, that is to say in the vertical flanges of the sole, respectively 36 and 35, allowing a lateral suction substantially parallel to the surface to be cleaned.

La forme triangulaire est complétée, à l'arrière du suceur, par une partie pleine 40 comportant deux emplacements 42 de moyens favorisant le déplacement du suceur, qui peuvent être, soit des patins de type PTFE, soit des roues, telles les roues 43 visibles à la figure 9.The triangular shape is completed, at the rear of the nozzle, by a solid portion 40 having two locations 42 of means promoting the displacement of the nozzle, which may be either PTFE-type pads or wheels, such as visible wheels 43 to the figure 9 .

Le suceur comporte par ailleurs une lame 23 s'étendant dans la région 21, du bord 5 du suceur au bord 6, en définissant ainsi un canal avant 18 et un canal arrière 22, le canal avant 18 débouchant à la pointe du suceur par l'ouverture 7 frontale. Cette lame 23 comporte une zone 24 où est disposé un tissu arrache-fils tel qu'il est en soi connu.The nozzle also comprises a blade 23 extending in the region 21, from the edge 5 of the nozzle to the edge 6, thus defining a front channel 18 and a rear channel 22, the front channel 18 opening at the tip of the nozzle by the front opening 7. This blade 23 has a zone 24 where is disposed a pull-wire fabric as it is known per se.

Cette lame 23 relie le bord 5 au bord 6 tel un pont, en ménageant un espace entre la face opposée à la zone 24 et la pièce supérieure 14. Cette lame est préférentiellement parallèle au bord arrière 9 du suceur.This blade 23 connects the edge 5 to the edge 6 as a bridge, providing a space between the face opposite the zone 24 and the upper part 14. This blade is preferably parallel to the rear edge 9 of the nozzle.

Une seconde zone 124 portant un tissu arrache-fils peut être prévue sur une bordure du canal 22, de façon symétrique à la zone 24 portant l'arrache-fils.A second zone 124 carrying a pull-out fabric may be provided on a border of the channel 22, symmetrically to the zone 24 carrying the pull-son.

Les canaux 19 et 20 possèdent, chacun, des lames de raclage 46 et 45 s'étendant respectivement depuis le bord 6 et le bord 5 en direction de l'autre bord dans le canal d'aspiration. Selon l'exemple proposé, ces lames sont fixes et issues de la plaque inférieure du suceur en s'étendant sensiblement parallèlement au bord arrière 9 sur une distance voisine de la moitié de la largeur du canal. De préférence, ces lames ne sont pas ou sont peu proéminentes par rapport à la plaque inférieure du suceur.The channels 19 and 20 each have scraping blades 46 and 45 extending respectively from the edge 6 and the edge 5 towards the other edge in the suction channel. According to the proposed example, these blades are fixed and issuing from the bottom plate of the nozzle, extending substantially parallel to the rear edge 9 over a distance close to half the width of the channel. Preferably, these blades are not or are not prominent relative to the bottom plate of the nozzle.

Selon l'invention, le suceur comporte des brosses 55, 56, 57, lesdites brosses étant escamotables au travers de la semelle. La brosse 55 est disposée entre le canal d'aspiration 20 et le bord 5, tandis que la brosse 56 est disposée entre le canal d'aspiration 19 et le bord 6. Les canaux 19 et 20 se rejoignant en partie avant du suceur en formant un V inversé, la brosse arrière 57 suit cette forme en longeant la bordure définie par les deux canaux et leur rencontre. Tel que représenté figure 3 et 4, la brosse arrière présente notamment une échancrure 157 au milieu de la brosse, c'est à dire dans la forme en cuvette de ladite brosse, afin de faciliter l'aspiration des déchets qui peuvent venir se loger dans cette forme de la brosse au moment du mouvement vers l'arrière du suceur.According to the invention, the nozzle comprises brushes 55, 56, 57, said brushes being retractable through the sole. The brush 55 is disposed between the suction channel 20 and the edge 5, while the brush 56 is disposed between the suction channel 19 and the edge 6. The channels 19 and 20 joining at the front of the nozzle forming an inverted V, the rear brush 57 follows this shape along the border defined by the two channels and their meeting. As shown figure 3 and 4 , the rear brush has in particular a notch 157 in the middle of the brush, that is to say in the bowl form of said brush, to facilitate the suction of waste that can be housed in this form of the brush at the moment the movement towards the back of the nozzle.

Les figures 3, 4 et 5 représentent, pris isolément, les brosses et le mécanisme de commande de sortie desdites brosses. Un fait remarquable du dispositif est, outre la disposition de la pédale, sa parfaite symétrie par rapport à un plan médian vertical et perpendiculaire au suceur.The Figures 3, 4 and 5 represent, in isolation, the brushes and the output control mechanism of said brushes. A remarkable fact of the device is, in addition to the arrangement of the pedal, its perfect symmetry with respect to a vertical median plane and perpendicular to the nozzle.

La pédale 8 comporte un téton latéral 81 destiné à sa liaison avec la semelle du suceur, par l'intermédiaire d'une pièce verticale 82, visible figure 9 et comportant un trou dans lequel est logé ledit téton. Le téton ainsi logé dans la pièce 82 constitue un axe de pivotement de la pédale. Cette dernière comporte également une extension 83 creuse.The pedal 8 comprises a lateral stud 81 intended for its connection with the sole of the nozzle, via a vertical piece 82, visible figure 9 and having a hole in which said stud is housed. The stud thus housed in the piece 82 constitutes a pivot axis of the pedal. The latter also has a hollow extension 83.

Par ailleurs, la pédale 8 est liée à une tige 28 rigide de transmission de mouvement, cette tige étant fixée à la pédale dans le prolongement de l'axe de rotation de la pédale, c'est à dire dans le prolongement du téton 81, tel qu'il est bien visible figure 4. Cette tige comporte plusieurs coudes constituant une forme spécifique dont la particularité est de rester plane en constituant notamment une partie horizontale 280 qui est la partie de liaison avec la pédale, et deux parties sensiblement verticales 282. Ces dernières sont localisées à chaque extrémité de la tige et sont en liaison chacune avec un chariot 85, 86. La partie verticale 282 située sous la pédale 8 passe dans la partie creuse de l'extension 83 de la pédale qui constitue ainsi un guidage de la tige et assure la transmission de l'effort à la tige.Furthermore, the pedal 8 is linked to a rigid rod 28 of motion transmission, this rod being fixed to the pedal in the extension of the axis of rotation of the pedal, ie in the extension of the pin 81, as it is clearly visible figure 4 . This rod comprises several elbows constituting a specific shape whose particularity is to remain flat by including a horizontal portion 280 which is the connecting portion with the pedal, and two substantially vertical portions 282. These are located at each end of the rod and are each connected with a carriage 85, 86. The vertical portion 282 located under the pedal 8 passes into the hollow portion of the extension 83 of the pedal which thus constitutes a guide of the rod and ensures the transmission of the force at the stem.

La tige 28 est par ailleurs portée par deux supports verticaux 128 issus de la semelle.The rod 28 is also supported by two vertical supports 128 from the sole.

Les chariots 85, 86 sont deux pièces identiques en forme de L en présentant une partie horizontale assez longue dirigée vers l'avant du suceur et une partie verticale plus courte dirigée vers le bas. Ces chariots sont assujettis entre la semelle du suceur et le capot de manière à ne pouvoir se déplacer que horizontalement, vers l'avant ou vers l'arrière du suceur. Deux arches 194, visibles figure 10, issues de la semelle et au travers desquelles sont montés les chariots 85, 86, permettent notamment d'interdire tout mouvement vertical desdits chariots.The carriages 85, 86 are two identical L-shaped pieces having a rather long horizontal portion directed forwardly of the nozzle and a shorter vertical portion directed downwardly. These carriages are secured between the sole of the squeegee and the hood so as to be able to move only horizontally, towards the front or towards the rear of the squeegee. Two arches 194, visible figure 10 , derived from the sole and through which are mounted the carriages 85, 86, in particular allow to prohibit any vertical movement of said carriages.

Chaque chariot 85, 86 présente, en l'extrémité frontale de leur partie horizontale, une forme biseautée, respectivement 185, 186. Ces portions biseautées constituent des surfaces de came susceptibles d'interagir avec des parties 125, 126 biseautées à l'identique dans des pièces indépendantes 75, 76 en correspondance appelés basculeurs, lors du déplacement horizontal desdits chariots. Les parties biseautées 125, 126 débouchent, en leur partie supérieure, sur une portion plane sensiblement horizontale, respectivement 25, 26.Each carriage 85, 86 has, at the front end of their horizontal portion, a beveled shape, respectively 185, 186. These beveled portions constitute cam surfaces that can interact with parts 125, 126 beveled identically in independent parts 75, 76 in correspondence called rockers, during the horizontal movement of said carriages. The beveled portions 125, 126 open at their upper part, on a substantially horizontal flat portion respectively 25, 26.

Ainsi chaque chariot 85, 86 est susceptible d'interagir avec respectivement le basculeur 75 et le basculeur 76. Les basculeurs sont des pièces sensiblement planes qui sont montés dans le suceur en présentant un degré de liberté selon une direction verticale, en étant maintenus dans leur débattement horizontal essentiellement par la semelle du suceur, par exemple à l'aide de pions de coulissements 192 issus de la semelle et sur lesquels peuvent coulisser les basculeurs par des ouvertures 175, 176 en correspondance des pions 192. Afin de minimiser les frottements entre les basculeurs et la semelle, chaque pion ou certains d'entre eux pourront être munis de gaudrons ou petits renflements verticaux afin de faciliter la translation verticale des basculeurs.Thus each carriage 85, 86 is capable of interacting respectively with the rocker 75 and the rocker 76. The rockers are substantially flat parts which are mounted in the nozzle having a degree of freedom in a vertical direction, being maintained in their horizontal clearance essentially by the sole of the nozzle, for example using slide pins 192 from the sole and on which can slide the rockers through openings 175, 176 in correspondence of the pins 192. To minimize friction between the tippers and the sole, each piece or some of them may be provided with gaudrons or small vertical bulges to facilitate the vertical translation of the rockers.

Avantageusement, la semelle sera également équipée de gaudrons sous chaque chariot permettant le maintien des chariots en position de sortie des brosses afin d'éviter le déclenchement involontaire du mécanisme.Advantageously, the sole will also be equipped with gaudrons under each carriage for maintaining the carriages in the brushes output position in order to avoid the inadvertent triggering of the mechanism.

Tel qu'il est visible figure 9, un ressort 165, 166 est monté entre chaque basculeur 75, 76 et la semelle du suceur.As it is visible figure 9 , a spring 165, 166 is mounted between each tipper 75, 76 and the sole of the nozzle.

Chaque basculeur comporte des logements 65, 66 pour les brosses 55, 56, chaque brosse étant maintenue au logement, essentiellement par des serrages élastiques de type clips 95, 96.Each rocker comprises housings 65, 66 for the brushes 55, 56, each brush being held at the housing, essentially by resilient clamps of the clip type 95, 96.

Par ailleurs, en référence notamment à la figure 10, la semelle comporte des ouvertures de passage des brosses. Ainsi une ouverture 600 permet le mouvement vertical de la brosse 56 afin de permettre à cette dernière d'émerger de la semelle. Cette ouverture est délimitée par un contour avantageusement crénelé 602 permettant de réaliser une butée étanche du logement 66 des brosses sur la semelle lorsque la brosse est sortie.Moreover, with reference in particular to figure 10 , the sole has openings for passage of the brushes. Thus an opening 600 allows the vertical movement of the brush 56 to allow the latter to emerge from the sole. This opening is delimited by an advantageously crenellated contour 602 making it possible to form a sealing abutment of the housing 66 of the brushes on the soleplate when the brush is out.

Une configuration similaire est réalisée pour la brosse 55 dont le logement 65 vient en appui contre le contour 502 lorsque la brosse est sortie de la semelle, ainsi que pour la brosse arrière 57, dont le logement 67 est maintenu pour moitié par chaque basculeur, à l'aide de clips 97, 98.A similar configuration is made for the brush 55 whose housing 65 bears against the contour 502 when the brush is released from the sole, as well as for the rear brush 57, the housing 67 is held for half by each rocker, to using clips 97, 98.

Plus particulièrement selon l'invention, a contrario, lorsque les brosses sont en position rentrée, un espace est ménagé au niveau des passages 600 de brosses permettant donc une liaison aéraulique entre l'intérieur du suceur et l'espace sous la semelle. Par ailleurs, une liaison aéraulique est également ménagée entre l'intérieur du suceur et l'extérieur au niveau du capot 12 du suceur.More particularly according to the invention, a contrario, when the brushes are in the retracted position, a space is provided at the passages 600 of brushes thus allowing aeraulic connection between the interior of the nozzle and the space under the sole. Furthermore, a ventilation link is also provided between the inside of the nozzle and the outside at the cover 12 of the nozzle.

La figure 13 qui est une vue en coupe selon A-A de la figure 12, présente l'entrée d'air 134 au niveau de la liaison entre le suceur et le tube de raccordement 2. Cette entrée d'air est simplement obtenue en ménageant un espace suffisant au niveau de l'ouverture 13 du capot délimitée par le contour 130, entre les conduits de raccordement 3 et le capot 12.The figure 13 which is a sectional view according to AA of the figure 12 , this air inlet 134 at the connection between the nozzle and the connecting tube 2. This air inlet is simply obtained by providing sufficient space at the opening 13 of the hood defined by the contour 130, between the connecting ducts 3 and the hood 12.

Avantageusement, une paroi 132 sensiblement verticale est disposée à proximité de l'entrée d'air 134. Cette paroi coopère avec une paroi sensiblement verticale 195 de fermeture du canal d'aspiration, ladite paroi étant issue de la semelle, afin de créer une chicane pour l'air entrant, tel qu'il est visible figure 13. Une telle chicane permet de réduire le bruit lié au passage de l'air.Advantageously, a substantially vertical wall 132 is disposed near the air inlet 134. This wall cooperates with a substantially vertical wall 195 for closing the suction channel, said wall coming from the sole, in order to create a baffle for incoming air as it is visible figure 13 . Such a chicane makes it possible to reduce the noise associated with the passage of the air.

En fonctionnement, en partant d'une position où les brosses sont rentrées, correspondant aux figures 6 et 8, les parties biseautées 125, 126 des basculeurs et les parties biseautées 185, 186 des chariots sont sensiblement au même niveau, côte à côte.In operation, starting from a position where the brushes are retracted, corresponding to the figures 6 and 8 the bevelled portions 125, 126 of the rockers and the bevelled portions 185, 186 of the carriages are substantially at the same level, side by side.

Lorsque l'utilisateur désire sortir les brosses, il actionne la pédale en appuyant sur l'arrière de celle-ci. La pédale pivote selon le sens horaire sur les figures, ce qui provoque une rotation de la tige 28 dans le même sens.When the user wants to remove the brushes, he activates the pedal by pressing on the back of it. The pedal rotates clockwise in the figures, which causes rotation of the rod 28 in the same direction.

Les portions 282 sensiblement verticales pivotent également, provoquant un déplacement vers l'avant des chariots 85, 86 liés aux extrémités 282 de ladite tige. Cette avancée des chariots entraîne la coopération des parties biseautées des chariots avec celles des basculeurs. Compte tenu de l'impossibilité de mouvement vertical des chariots et de l'impossibilité de mouvement horizontal des basculeurs, ces derniers, sous le mouvement vers l'avant des chariots, subissent un mouvement vertical vers le bas contre la force de rappel des ressorts 165, 166, le jeu des pentes faisant glisser les basculeurs 75, 76 sous les chariots 85, 86, ces derniers étant en appui respectif sur les parties planes 25, 26.The substantially vertical portions 282 also pivot, causing a forward displacement of the carriages 85, 86 linked to the ends 282 of said rod. This advance of the carriages causes the cooperation of the bevelled parts of the carriages with those of the rockers. Given the impossibility of vertical movement of the carriages and the impossibility of horizontal movement of the rockers, the latter, under the forward movement of the carriages, undergo a vertical downward movement against the restoring force of the springs 165 , 166, the play of the slopes sliding the rockers 75, 76 under the carriages 85, 86, the latter bearing respectively on the plane portions 25, 26.

Ce mouvement vertical vers le bas des basculeurs permet de sortir les brosses du plan défini par la partie inférieure de la semelle. Dans cette position, les logements 65, 66 des brosses 55, 56 appuient sur les pourtours 502, 602 de la semelle, en assurant une bonne étanchéité, interdisant ainsi toute entrée d'air en provenance du suceur sous la semelle.This vertical downward movement of the rockers makes it possible to remove the brushes from the plane defined by the lower part of the sole. In this position, the housings 65, 66 of the brushes 55, 56 support the edges 502, 602 of the sole, ensuring a good seal, thus preventing any air intake from the nozzle under the sole.

Les brosses en position sortie délimitent une garde en hauteur prédéterminée entre le sol et la semelle définissant la section de passage périphérique inférieur d'entrée d'air. Les poussières dégagées par les brosses sont enlevées par les flux d'air d'abord horizontaux en périphérie du suceur puis verticaux vers le haut dans les canaux.The brushes in the extended position delimit a predetermined height clearance between the ground and the sole defining the lower peripheral passage section of the air intake. The dust released by the brushes is removed by the horizontal air flows at the periphery of the nozzle and then vertical upwards in the channels.

Lorsque l'utilisateur désire rentrer les brosses, en faisant pivoter dans le sens anti-horaire la pédale, les extrémités 282 de la tige sont ramenées vers l'arrière, provoquant le même mouvement des chariots 85, 86. Dès que les parties biseautées des chariots et des basculeurs sont en correspondance, la force de rappel des ressorts, par son action sur les basculeurs, permet d'accélérer la montée des basculeurs et le retour vers l'arrière des chariots.When the user wishes to retract the brushes, by pivoting the pedal anti-clockwise, the ends 282 of the rod are brought back to the rear, causing the same movement of the carriages 85, 86. As soon as the beveled portions of the carriages and rockers are in correspondence, the restoring force of the springs, by its action on the rockers, accelerates the rise of the rockers and the return to the back of the carriages.

Dans cette position, le suceur repose par la semelle sur le sol à traiter et une entrée d'air débouchant sous le suceur est alors créée, l'air entrant dans le suceur par l'ouverture supérieure 132 ménagée au niveau de l'articulation et sortant sous la semelle par les ouvertures 600 ménagées dans la semelle pour le passage des brosses. La chicane créée par les parois 195 et 132 et visible sur le trajet de l'air représenté par la flèche en gras de la figure 13, permet de réduire le bruit associé à ce passage de l'air.In this position, the nozzle rests by the sole on the floor to be treated and an air inlet opening under the nozzle is then created, the air entering the nozzle through the upper opening 132 formed at the joint and exiting under the sole by the openings 600 formed in the sole for the passage of the brushes. The baffle created by the walls 195 and 132 and visible on the path of the air represented by the bold arrow of the figure 13 , reduces the noise associated with this passage of air.

Le flux d'air est alors conduit pour créer des lames aérauliques en des emplacements stratégiques, à savoir en bordure des canaux où toutes les poussières sont soulevées. L'entrée d'air sous la semelle du suceur permet de faciliter également son déplacement.The air flow is then conducted to create aeraulic blades in strategic locations, namely along the channels where all the dust is raised. The air inlet under the sole of the nozzle makes it easier to move.

L'invention n'est pas limitée au mode précis de réalisation illustré, mais comprend les équivalents techniques. Notamment, l'entrée d'air peut être réalisée au niveau de l'ouverture 80 de logement de la pédale 8, ou bien au niveau de l'ouverture 15 de visualisation,...The invention is not limited to the precise embodiment illustrated, but includes the technical equivalents. In particular, the air inlet can be made at the opening 80 for housing the pedal 8, or at the level of the viewing opening 15, ...

Par ailleurs, divers procédés et matériaux peuvent être utilisés afin de réduire le bruit du suceur, tels des cavités résonantes, de la mousse d'isolation phonique, des feutres,....Furthermore, various methods and materials can be used to reduce the noise of the nozzle, such as resonant cavities, sound insulation foam, felts, ....

Claims (12)

  1. A vacuum cleaner nozzle (1) open towards the surface (4) for cleaning via at least one suction channel (19, 20) formed in the soleplate (11) of the nozzle (1), said nozzle (1) including at least one retractable brush (55, 56, 57) arranged in a housing (65, 66, 67) and mounted to slide through a slot (600) made in the soleplate, said brush (55, 56, 57) being capable of occupying two positions: an extended position in which it projects from the soleplate (11) of the nozzle (1); and a retracted position in which it is set back a little from said soleplate (11), the nozzle being characterized in that, in the extended position, the housing (65, 66, 67) of the brush (55, 56, 57) makes airtight contact with the soleplate (11), whereas in the retracted position, at least one air passage is provided between the slot (600) in the soleplate (11) and the top portion of the nozzle, said top portion including an air inlet opening (134) for creating a flow of air entering the nozzle in said location and opening out through the soleplate (11) in the slot (600) when the brush (55, 56, 57) is in the retracted position.
  2. A vacuum cleaner nozzle (1) according to the preceding claim, characterized in that the top portion of the nozzle (1) is constituted by a cap (12) and in that the air inlet opening is made in said cap (12).
  3. A vacuum cleaner nozzle (1) according to the preceding claim, characterized in that the cap (12) includes a perforated portion having a viewing window (14) made of a transparent material fitted thereon, the opening being made at the junction between the viewing window (14) and the perforated portion of the cap via a space provided between these parts.
  4. A vacuum cleaner nozzle (1) according to claim 1, characterized in that the air inlet opening is made in the cap at the opening (13) for housing connection ducts (3), passing via a space provided between these parts and the edge (130) defining the opening (13).
  5. A vacuum cleaner nozzle (1) according to any one of claims 1 to 3, characterized in that a baffle is made in the opening so as to reduce the transmission of noise to the outside through said opening.
  6. A vacuum cleaner nozzle (1) according to any preceding claim, characterized in that it is substantially triangular in shape, presenting in particular two side edges (5, 6) forming the tip of the nozzle, said nozzle having two channels (19, 20) formed along two side edges (6, 5) forming the tip of the nozzle, and in that each suction channel (19, 20) is bordered by front brushes (56, 55) and rear brushes (57) capable of sliding in slots formed in the soleplate, said brushes being situated on either side of the channel and extending substantially parallel thereto.
  7. A vacuum cleaner nozzle (1) according to any preceding claim, characterized in that the two positions of the brush(es) are controlled by a mechanism actuated by a pedal (8).
  8. A vacuum cleaner nozzle (1) according to the preceding claim, characterized in that the mechanism comprises:
    . two rockers (75, 76) carrying the brushes (55, 56, 57) and vertically movable relative to the soleplate (11) against the return force of two springs (165, 166);
    . two carriages (85, 86) that are horizontally movable and each capable of interacting with one of the rockers (75, 76) via a sloping cam surface (125, 126, 185, 186) during said horizontal movement; and
    . a connection rod (28) connecting the control pedal (8) to the two carriages (85, 86).
  9. A vacuum cleaner nozzle (1) according to the preceding claim, characterized in that the pedal (8) is pivotally mounted on the soleplate (11) of the nozzle (1), and in that the rod (28) is connected firstly to the pedal (8) via a portion (280) parallel to the pivot axis of the pedal, and secondly to the carriages (85, 86) via portions (282) that are substantially perpendicular to the pivot axis of the pedal (8), such that pivoting of the pedal (8) causes the carriages (85, 86) to move horizontally.
  10. A vacuum cleaner nozzle (1) according to the preceding claim, characterized in that the rockers (75, 76) and the carriages (85, 86) are symmetrical about a vertical midplane of the nozzle (1).
  11. A vacuum cleaner nozzle (1) according to the preceding claim, characterized in that each rocker (75, 76) includes the bearing points (95, 96) for one of the front brushes and a fraction (97, 98) of the bearing points for the rear brush(57).
  12. A vacuum cleaner nozzle (1) according to any preceding claim, characterized in that the front rim of the nozzle presents at least one front orifice (7) for sucking in a direction that is substantially parallel to the surface (4) for cleaning, said front suction orifice (7) being connected to one of the suction channels (19, 20, 21).
EP04356153A 2003-10-01 2004-09-13 Suction nozzle for a vacuum cleaner Not-in-force EP1520504B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0311477A FR2860415B1 (en) 2003-10-01 2003-10-01 VACUUM SUCKER
FR0311477 2003-10-01

Publications (2)

Publication Number Publication Date
EP1520504A1 EP1520504A1 (en) 2005-04-06
EP1520504B1 true EP1520504B1 (en) 2008-03-12

Family

ID=34307303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04356153A Not-in-force EP1520504B1 (en) 2003-10-01 2004-09-13 Suction nozzle for a vacuum cleaner

Country Status (5)

Country Link
EP (1) EP1520504B1 (en)
AT (1) ATE388659T1 (en)
DE (1) DE602004012363T2 (en)
ES (1) ES2301955T3 (en)
FR (1) FR2860415B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014106003B4 (en) * 2014-04-29 2020-01-23 Wessel-Werk Gmbh Vacuum cleaner nozzle with control shaft and actuating element and method for producing an actuating element
CN105982614B (en) * 2015-02-27 2018-09-25 苏州市海泉电器有限公司 Scrubbing brush for dust catcher
AT518179B1 (en) * 2016-02-25 2017-08-15 Erwin Ladinig Device for cleaning textile articles
CN110217563B (en) * 2019-06-11 2024-04-19 湖南隋侯珠科技有限公司 Robot is arranged to two unification pipetting tips

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1927337U (en) * 1965-07-17 1965-11-18 Siemens Elektrogeraete Gmbh VACUUM CLEANER WITH RETRACTABLE BRUSH BAR.
SE334716B (en) * 1969-02-06 1971-05-03 Electrolux Ab
SE394942B (en) * 1975-11-06 1977-07-25 Electrolux Ab DEVICE FOR A VACUUM CLEANING NOZZLE
US6167587B1 (en) * 1997-07-09 2001-01-02 Bissell Homecare, Inc. Upright extraction cleaning machine
DE19828873A1 (en) * 1998-06-25 1999-12-30 Bsh Bosch Siemens Hausgeraete Vacuum cleaner mouthpiece exhibiting optimum cleaning effect for very different floor coverings

Also Published As

Publication number Publication date
EP1520504A1 (en) 2005-04-06
DE602004012363D1 (en) 2008-04-24
ES2301955T3 (en) 2008-07-01
DE602004012363T2 (en) 2009-03-12
FR2860415A1 (en) 2005-04-08
FR2860415B1 (en) 2006-05-19
ATE388659T1 (en) 2008-03-15

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