EP2449936B1 - Vacuum cleaner nozzle with rotatably limited base plate - Google Patents

Vacuum cleaner nozzle with rotatably limited base plate Download PDF

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Publication number
EP2449936B1
EP2449936B1 EP11306425.7A EP11306425A EP2449936B1 EP 2449936 B1 EP2449936 B1 EP 2449936B1 EP 11306425 A EP11306425 A EP 11306425A EP 2449936 B1 EP2449936 B1 EP 2449936B1
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EP
European Patent Office
Prior art keywords
vacuum cleaner
rotation
base
angle
cleaner nozzle
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EP11306425.7A
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German (de)
French (fr)
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EP2449936A1 (en
Inventor
Thierry Guinot
Frédéric Tanguy
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SEB SA
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SEB SA
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    • 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

Definitions

  • the present invention generally relates to a vacuum nozzle whose sole is rotatable.
  • this system has the particular disadvantage of causing air leakage on the side opposite the depression and according to the pressure-flow torque of the vacuum cleaner, these leaks can be detrimental to the efficiency of the suction if they are too important because the flow will not be properly distributed along the ridge that rises. Furthermore, if the pressure-flow torque of the vacuum causes a high vacuum in the suction channel, the resulting plating force will be large and cause a resistance to the painful progress for the user because the sole will be insufficiently tilted to slide on the floor.
  • Another example of a vacuum nozzle according to the preamble of claim 1 is known from the document EP 1 875 846 A2 .
  • An object of the present invention is to meet the disadvantages of the document of the prior art mentioned above and in particular, first of all, to propose a vacuum nozzle having a sole swivel and offers optimal suction efficiency and ease of use even if the pressure-flow torque of the vacuum cleaner changes.
  • a first aspect of the invention relates to a suction nozzle comprising a soleplate capable of cleaning a floor with at least two pairs of pressure-air flow and connected in rotation to a connecting rod, characterized in that the nozzle of vacuum cleaner comprises means limiting the rotation of the sole at an angle of rotation ⁇ relative to the connecting rod, the angle of rotation ⁇ being a function of the value of the pressure-air flow torque.
  • the invention thus makes it possible to modulate the angle of pivoting or rotation of the soleplate as a function of the pressure-flow torque of the vacuum cleaner so as to guarantee that the air flow under the scraping edge that rises will not be reduced.
  • the vacuum nozzle according to the invention can be used with several pressure-flow couples while having an optimal cleaning efficiency and adapted to the performance of the vacuum cleaner, which remains easy to use.
  • the angle of rotation ⁇ is proportional to the pressure-air flow torque.
  • the pressure flow torque is increased, the more it is allowed on the one hand the opposite edge to lift to allow the air to pass underneath and secondly, the sole to switch all the more for do not resist too much movement.
  • the means limiting the rotation of the sole are abutment means arranged on the connecting rod and on the sole.
  • the design is simplified because this system does not involve the other parts of the nozzle.
  • a particularly interesting embodiment is that the sole is intended to be used with a first pressure-flow torque of a first vacuum cleaner or with a second pressure-air flow pair of a second vacuum cleaner, and the means limiting the rotation of the soleplate by limiting the rotation around the connecting rod at a first angle ⁇ 1 as a function of the first pressure-air flow couple or at a second angle ⁇ 2 as a function of the second pressure-air flow torque.
  • a nozzle allows very simply to equip a range of vacuum cleaners with different levels of performance or torque pressure-flow, while ensuring that the cleaning is optimal with a tilting of the sole suitable for the vacuum concerned and to its precise pressure-flow torque.
  • the abutment means are identical to either the connecting rod or the sole to limit rotation at the first angle ⁇ 1 or the second angle ⁇ 2.
  • This embodiment makes it possible to minimize the modifications to be made to the nozzle and its components in order to simplify their manufacture and to reduce their production costs.
  • the abutment means comprise a cylindrical part force-fitted on the connecting rod or on the sole and which has a length determining the value of the angle of rotation ⁇ .
  • This implementation makes it possible to adjust in a simple manner the value of the angle of rotation of the soleplate.
  • the soleplate is intended to be used with a variable pressure-air flow torque of the vacuum cleaner, and the means limiting the rotation of the soleplate limit its rotation to a variable angle ⁇ , variable pressure-air flow torque function.
  • the invention makes it possible to offer a self-adapting suction nozzle to the conditions of use and the pressure-flow torque of the vacuum cleaner to guarantee optimum cleaning efficiency.
  • Such an implementation eliminates the manual adjustments or the change of nozzle according to the pressure-flow torque.
  • the means limiting the rotation of the sole comprise an elastic element whose stiffness limits the rotation of the sole. footing at a variable angle ⁇ , depending on the variable pressure-air flow torque.
  • an elastic element makes it possible to offer an adaptation of the angle of rotation of the soleplate as a function of the flow rate at a very limited cost.
  • the angle ⁇ is variable in a predetermined range as a function of the variable pressure-air flow torque and the means limiting the rotation of the sole comprise stop means which limit the rotation of the sole at an angle ⁇ m of rotation Max.
  • a second aspect of the invention relates to a vacuum cleaner having a vacuum cleaner according to the first aspect.
  • the figure 1 represents a side view of a suction nozzle 100 pushed forward on a floor to be cleaned 200.
  • the suction nozzle 100 mainly comprises a soleplate 10 connected to a connecting rod 20 which is connected to the rest of the vacuum cleaner by a connection 40 by an axis of rotation 22. Furthermore, the air flow sucked passes through a flexible tube 30 arranged between the sole and the connector 40.
  • the sole 10 can rotate in rotation with respect to the rod 20 about the axis 21, the connecting rod 20 which comprises at least one ground support roller 50, rotating in rotation about the axis 23, to facilitate the use of the nozzle 100.
  • the user's pushing force is decomposed into a downward vertical component and a forward horizontal component.
  • the roller 50 takes up the vertical component on the ground and the movement is thus easy for the user and only the horizontal component is transmitted to the sole 10. Moreover, the latter comprises a suction channel 13 delimited by a scraping edge before 11 and a rear scraping edge 12. These scraping edges are connected to flat or chamfers on the underside of the sole 10. It is important to ensure that the suction efficiency is optimal for cleaning the floor 200 For this purpose, the sole 10 can pivot about the axis 21, so that the front edge is in contact with the ground to ensure scraping, but while having a ground separation of the rear edge 12 of the value d1 to distribute the flow of air sucked into the suction channel 13 all along the rear edge 12.
  • a stop 14 of the sole 10 comes into contact with an arm 24 of the connecting rod to guarantee the good value of d1 depending on the pressure-flow torque of the vacuum cleaner.
  • the plating force which is exerted on the soleplate 10 because of this pressure-flow torque of the vacuum cleaner rubs the scraping edge 11 on the ground 200 and a friction force results which results opposes the movement.
  • the tilting is provided so that the scraping edge 11 and a portion of the underside of the soleplate 10 are in contact with the ground, in order to distribute the contact forces, depending the pressure-flow torque of the vacuum cleaner, while maintaining a correct floor scratching 200.
  • the soleplate 10 comprises another stop 15 which is not in contact with the arm 24 of the connecting rod and the angle ⁇ 1 shown shows the maximum possible pivoting for the soleplate 10.
  • the figure 2 represents the suction nozzle 100 moving backwards, pulled by the user. It simply pulls back the buttstock at a defined height of the ground, which has the effect of lifting the roller 50 from the ground.
  • the sole 10 pivots about the axis 21 to abut on the rod 20.
  • This pivoting allows to guarantee a separation d2 of the ground of the front scraping edge 11 adapted to the air flow to distribute it all along the front edge of scraping 11 and a contact of the rear edge of scraping 12 and a portion of the underside of the sole 10, ensuring a low friction force and a good scraping depending on the plating force created by the pressure-flow torque of the vacuum cleaner.
  • the figure 3 represents the nozzle 100 of the figure 1 forward, but modified to be used optimally with a second pressure-flow torque.
  • the nozzle 100 is to be used with a torque-pressure lower flow, it is necessary on the one hand that the rear edge of scraping that rises distributes all the flow along the rear edge and other on the other hand, the edge of scratching in contact with the ground must nevertheless exert a mechanical action on the ground to ensure a good scratching.
  • the rod 20 is modified by adding stops 25 and 26 which limit the rotation of the sole 10 about the axis 21 in order to obtain the results described above.
  • the soleplate 10 rotates by an angle ⁇ 2 less than ⁇ 1, the rear edge 12 rises by a value d3 less than d1 to distribute the flow rate. lower air, and the front edge of scraping 11 is in contact with the ground 200, but is less inclined relative to the latter, so that its mechanical action is more important.
  • the free space between the additional abutment 26 and the abutment 15 of the soleplate 10 shows the total deflection of the soleplate 10, that is to say the angle ⁇ 2 which is smaller than the angle ⁇ 1.
  • the addition of the additional stops 25 and 26 has had the effect of adapting the pivoting of the soleplate to the lower pressure-flow torque to optimize the cleaning efficiency (distribution of the air flow along the ridge that rises). and scraping the floor) while ensuring easy use of the vacuum cleaner.
  • the sole 10 will pivot in the opposite direction, the additional stop 26 will come into contact with the stop 15, and similarly thanks to the limited pivoting, the detachment of the floor 200 from the floor.
  • the front edge of scraping 11 and the contact of the rear scraping edge 12 with the floor 200 will be adapted to the new pressure-flow torque.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Description

La présente invention concerne de manière générale un suceur d'aspirateur dont la semelle est mobile en rotation.The present invention generally relates to a vacuum nozzle whose sole is rotatable.

Il est connu dans l'art antérieur des suceurs d'aspirateur dont la semelle tourne en rotation pour s'adapter au sens de déplacement de nettoyage. En particulier, le document EP 1 443 842 décrit un suceur d'aspirateur dont la semelle comporte un canal d'aspiration délimité par deux arêtes de grattage et peut tourner d'un angle limité autour d'un axe pour assurer un contact avec le sol plus important de l'une ou l'autre des arêtes en fonction du sens de déplacement. On entend par grattage l'action mécanique de la semelle sur les poils du sol textile qui doit être nettoyé. Il en résulte que l'arête de grattage et la partie inférieure de la semelle qui sont en contact avec le sol agitent plus fortement les poils de la moquette et que l'autre arête se soulève de la surface du sol de manière symétrique. En contrepartie, ce système présente notamment l'inconvénient de provoquer des fuites d'air du côté opposé à l'enfoncement et selon le couple pression-débit de l'aspirateur, ces fuites peuvent être préjudiciables à l'efficacité de l'aspiration si elles sont trop importantes car le débit ne sera pas correctement réparti le long de l'arête qui se soulève. Par ailleurs, si le couple pression-débit de l'aspirateur provoque une forte dépression dans le canal d'aspiration, la force de plaquage résultante sera importante et provoquera une résistance à l'avancement pénible pour l'utilisateur car la semelle sera insuffisamment basculée pour glisser sur le sol. Un autre exemple de suceur d'aspirateur selon le préambule de la revendication 1 est connu du document EP 1 875 846 A2 .It is known in the prior art suction nozzles whose sole rotates in rotation to adapt to the direction of cleaning movement. In particular, the document EP 1 443 842 describes a vacuum nozzle whose sole has a suction channel defined by two scraping edges and can rotate by a limited angle around an axis to ensure greater contact with the ground of one or the other. other edges depending on the direction of movement. Scraping is understood to mean the mechanical action of the sole on the hairs of the textile floor to be cleaned. As a result, the scraping edge and the lower part of the sole which are in contact with the ground more strongly shake the pile of the carpet and the other edge is lifted from the surface of the ground in a symmetrical manner. In return, this system has the particular disadvantage of causing air leakage on the side opposite the depression and according to the pressure-flow torque of the vacuum cleaner, these leaks can be detrimental to the efficiency of the suction if they are too important because the flow will not be properly distributed along the ridge that rises. Furthermore, if the pressure-flow torque of the vacuum causes a high vacuum in the suction channel, the resulting plating force will be large and cause a resistance to the painful progress for the user because the sole will be insufficiently tilted to slide on the floor. Another example of a vacuum nozzle according to the preamble of claim 1 is known from the document EP 1 875 846 A2 .

Un but de la présente invention est de répondre aux inconvénients du document de l'art antérieur mentionné ci-dessus et en particulier, tout d'abord, de proposer un suceur d'aspirateur comportant une semelle pivotante et qui offre une efficacité d'aspiration et une facilité d'utilisation optimales même si le couple pression-débit de l'aspirateur change.An object of the present invention is to meet the disadvantages of the document of the prior art mentioned above and in particular, first of all, to propose a vacuum nozzle having a sole swivel and offers optimal suction efficiency and ease of use even if the pressure-flow torque of the vacuum cleaner changes.

Pour cela un premier aspect de l'invention concerne un suceur d'aspirateur comportant une semelle apte à nettoyer un sol avec au moins deux couples pression-débit d'air et reliée en rotation à une bielle, caractérisé en ce que le suceur d'aspirateur comporte des moyens limitant la rotation de la semelle à un angle de rotation α par rapport à la bielle, l'angle de rotation α étant fonction de la valeur du couple pression-débit d'air. L'invention permet ainsi de moduler l'angle de pivotement ou de rotation de la semelle en fonction du couple pression-débit de l'aspirateur de manière à garantir que le débit d'air sous l'arête de grattage qui se soulève ne sera pas trop important ni trop faible et qu'il en est de même pour la force de résistance à l'avancement car l'arête de grattage en contact avec le sol aura basculé pour permettre un glissement adapté à la force de plaquage avec un bon grattage du sol. De cette sorte, le suceur d'aspirateur selon l'invention pourra être utilisé avec plusieurs couples pression-débit tout en ayant une efficacité de nettoyage optimale et adaptée aux performances de l'aspirateur, qui reste aisé à utiliser.For this purpose, a first aspect of the invention relates to a suction nozzle comprising a soleplate capable of cleaning a floor with at least two pairs of pressure-air flow and connected in rotation to a connecting rod, characterized in that the nozzle of vacuum cleaner comprises means limiting the rotation of the sole at an angle of rotation α relative to the connecting rod, the angle of rotation α being a function of the value of the pressure-air flow torque. The invention thus makes it possible to modulate the angle of pivoting or rotation of the soleplate as a function of the pressure-flow torque of the vacuum cleaner so as to guarantee that the air flow under the scraping edge that rises will not be reduced. not too important or too weak and the same is true for the resistance to forward force because the scraping edge in contact with the ground has tilted to allow a sliding adapted to the plating force with good scratching of the ground. In this way, the vacuum nozzle according to the invention can be used with several pressure-flow couples while having an optimal cleaning efficiency and adapted to the performance of the vacuum cleaner, which remains easy to use.

De manière avantageuse, l'angle de rotation α est proportionnel au couple pression-débit d'air. De cette manière, plus on augmente le couple pression débit, plus on autorise d'une part l'arête opposée à se soulever pour permettre à l'air de passer dessous et d'autre part, la semelle à basculer d'autant plus pour ne pas opposer de résistance au mouvement trop important.Advantageously, the angle of rotation α is proportional to the pressure-air flow torque. In this way, the more the pressure flow torque is increased, the more it is allowed on the one hand the opposite edge to lift to allow the air to pass underneath and secondly, the sole to switch all the more for do not resist too much movement.

Avantageusement, les moyens limitant la rotation de la semelle sont des moyens de butée agencés sur la bielle et sur la semelle. La conception est simplifiée car ce système ne fait pas intervenir les autres pièces du suceur.Advantageously, the means limiting the rotation of the sole are abutment means arranged on the connecting rod and on the sole. The design is simplified because this system does not involve the other parts of the nozzle.

Une réalisation particulièrement intéressante consiste en ce que la semelle est destinée à être utilisée avec un premier couple pression-débit d'air d'un premier aspirateur ou avec un deuxième couple pression-débit d'air d'un deuxième aspirateur, et les moyens limitant la rotation de la semelle en limitent la rotation autour de la bielle à un premier angle α1 en fonction du premier couple pression-débit d'air ou à un deuxième angle α2 en fonction du deuxième couple pression-débit d'air. Un tel suceur permet très simplement d'équiper toute une gamme d'aspirateurs avec des niveaux de performance ou de couple pression-débit différents, tout en garantissant que le nettoyage sera optimum avec un basculement de la semelle adapté à l'aspirateur concerné et à son couple pression-débit précis.A particularly interesting embodiment is that the sole is intended to be used with a first pressure-flow torque of a first vacuum cleaner or with a second pressure-air flow pair of a second vacuum cleaner, and the means limiting the rotation of the soleplate by limiting the rotation around the connecting rod at a first angle α1 as a function of the first pressure-air flow couple or at a second angle α2 as a function of the second pressure-air flow torque. Such a nozzle allows very simply to equip a range of vacuum cleaners with different levels of performance or torque pressure-flow, while ensuring that the cleaning is optimal with a tilting of the sole suitable for the vacuum concerned and to its precise pressure-flow torque.

Avantageusement, les moyens de butée sont identiques soit sur la bielle ou soit sur la semelle pour en limiter la rotation au premier angle α1 ou au deuxième angle α2. Ce mode de réalisation permet de minimiser les modifications à apporter au suceur et à ses composants pour en simplifier la fabrication et en réduire les coûts de production.Advantageously, the abutment means are identical to either the connecting rod or the sole to limit rotation at the first angle α1 or the second angle α2. This embodiment makes it possible to minimize the modifications to be made to the nozzle and its components in order to simplify their manufacture and to reduce their production costs.

Avantageusement, les moyens de butée comprennent une pièce cylindrique emmanchée en force sur la bielle ou sur la semelle et qui possède une longueur déterminant la valeur de l'angle de rotation α. Cette mise en oeuvre permet de régler de manière simple la valeur de l'angle de rotation de la semelle.Advantageously, the abutment means comprise a cylindrical part force-fitted on the connecting rod or on the sole and which has a length determining the value of the angle of rotation α. This implementation makes it possible to adjust in a simple manner the value of the angle of rotation of the soleplate.

En alternative de ce premier mode de réalisation, la semelle est destinée à être utilisée avec un couple pression-débit d'air variable de l'aspirateur, et les moyens limitant la rotation de la semelle en limitent la rotation à un angle α variable, fonction du couple pression-débit d'air variable. Dans ce cas, l'invention permet d'offrir un suceur d'aspirateur auto-adaptatif aux conditions d'utilisation et au couple pression-débit de l'aspirateur pour garantir une efficacité optimale de nettoyage. Une telle mise en oeuvre supprime les réglages manuels ou le changement de suceur en fonction du couple pression-débit.As an alternative to this first embodiment, the soleplate is intended to be used with a variable pressure-air flow torque of the vacuum cleaner, and the means limiting the rotation of the soleplate limit its rotation to a variable angle α, variable pressure-air flow torque function. In this case, the invention makes it possible to offer a self-adapting suction nozzle to the conditions of use and the pressure-flow torque of the vacuum cleaner to guarantee optimum cleaning efficiency. Such an implementation eliminates the manual adjustments or the change of nozzle according to the pressure-flow torque.

Avantageusement, les moyens limitant la rotation de la semelle comprennent un élément élastique dont la raideur limite la rotation de la semelle à un angle α variable, fonction du couple pression-débit d'air variable. Un tel élément élastique permet d'offrir une adaptation de l'angle de rotation de la semelle en fonction du débit à un coût très limité.Advantageously, the means limiting the rotation of the sole comprise an elastic element whose stiffness limits the rotation of the sole. footing at a variable angle α, depending on the variable pressure-air flow torque. Such an elastic element makes it possible to offer an adaptation of the angle of rotation of the soleplate as a function of the flow rate at a very limited cost.

Avantageusement, l'angle α est variable dans une plage prédéterminée en fonction du couple pression-débit d'air variable et les moyens limitant la rotation de la semelle comprennent des moyens de butée qui limitent la rotation de la semelle à un angle αm de rotation maximale. Ce mode de réalisation permet de garantir que la semelle ne pourra pas pivoter plus qu'une valeur prédéterminée en fonction du couple de pression-débit maximal de l'aspirateur.Advantageously, the angle α is variable in a predetermined range as a function of the variable pressure-air flow torque and the means limiting the rotation of the sole comprise stop means which limit the rotation of the sole at an angle αm of rotation Max. This embodiment makes it possible to guarantee that the soleplate will not be able to pivot more than a predetermined value as a function of the maximum pressure-flow torque of the aspirator.

Un deuxième aspect de l'invention concerne un aspirateur comportant un suceur d'aspirateur selon le premier aspect.A second aspect of the invention relates to a vacuum cleaner having a vacuum cleaner according to the first aspect.

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée qui suit de modes de réalisation de l'invention donnés à titre d'exemples nullement limitatifs et illustrés par les dessins annexés, dans lesquels :

  • la figure 1 représente une vue de côté d'un suceur d'aspirateur selon l'invention poussé vers l'avant et utilisé avec un premier couple pression-débit ;
  • la figure 2 représente le suceur d'aspirateur de la figure 1 tiré en marche arrière ;
  • la figure 3 représente le suceur d'aspirateur de la figure 1 utilisé avec une deuxième couple pression débit ;
Other features and advantages of the present invention will appear more clearly on reading the following detailed description of embodiments of the invention given as non-limiting examples and illustrated by the appended drawings, in which:
  • the figure 1 represents a side view of a suction nozzle according to the invention pushed forward and used with a first pressure-flow torque;
  • the figure 2 represents the vacuum nozzle of the figure 1 pulled in reverse;
  • the figure 3 represents the vacuum nozzle of the figure 1 used with a second torque pressure flow;

La figure 1 représente une vue de côté d'un suceur d'aspirateur 100 poussé en marche avant sur un sol à nettoyer 200. Le suceur d'aspirateur 100 comporte principalement une semelle 10 reliée à une bielle 20 qui est reliée au reste de l'aspirateur par un raccord 40 par un axe de rotation 22. Par ailleurs, le flux d'air aspiré passe par un tube flexible 30 agencé entre la semelle et le raccord 40. La semelle 10 peut tourner en rotation par rapport à la bielle 20 autour de l'axe 21, la bielle 20 qui comporte au moins un galet d'appui au sol 50, tournant en rotation autour de l'axe 23, pour faciliter l'utilisation du suceur 100. Lors du mouvement vers l'avant du suceur 100, l'effort de poussée de l'utilisateur se décompose en une composante verticale vers le bas et une composante horizontale vers l'avant. Le galet 50 reprend la composante verticale sur le sol et le mouvement est ainsi aisé pour l'utilisateur et seule la composante horizontale est transmise à la semelle 10. Par ailleurs, cette dernière comporte un canal d'aspiration 13 délimité par une arête de grattage avant 11 et une arête de grattage arrière 12. Ces arêtes de grattage sont reliées à des plats ou des chanfreins sur la face inférieure de la semelle 10. Il est important de garantir que l'efficacité d'aspiration soit optimale pour nettoyer le sol 200. A cet effet, la semelle 10 peut pivoter autour de l'axe 21, de sorte que l'arête avant soit en contact avec le sol pour assurer le grattage, mais tout en ayant un décollement du sol de l'arête arrière 12 de la valeur d1 pour répartir le flux d'air aspiré dans le canal d'aspiration 13 tout le long de l'arête arrière 12. Dans ce sens du mouvement, une butée 14 de la semelle 10 vient en contact avec un bras 24 de la bielle pour garantir la bonne valeur de d1 en fonction du couple pression-débit de l'aspirateur. De plus, la force de plaquage qui s'exerce sur la semelle 10 en raison de ce couple pression-débit de l'aspirateur fait frotter l'arête de grattage 11 sur le sol 200 et il en résulte une force de frottement qui s'oppose au mouvement. Pour limiter cet effort préjudiciable à l'utilisation, le basculement est prévu pour que l'arête de grattage 11 et une partie de la face inférieure de la semelle 10 soient en contact avec le sol, afin de répartir les efforts de contact, en fonction du couple pression-débit de l'aspirateur, tout en maintenant un grattage du sol 200 correct. La semelle 10 comporte une autre butée 15 qui n'est pas en contact avec le bras 24 de la bielle et l'angle α1 représenté montre le pivotement maximal possible pour la semelle 10.The figure 1 represents a side view of a suction nozzle 100 pushed forward on a floor to be cleaned 200. The suction nozzle 100 mainly comprises a soleplate 10 connected to a connecting rod 20 which is connected to the rest of the vacuum cleaner by a connection 40 by an axis of rotation 22. Furthermore, the air flow sucked passes through a flexible tube 30 arranged between the sole and the connector 40. The sole 10 can rotate in rotation with respect to the rod 20 about the axis 21, the connecting rod 20 which comprises at least one ground support roller 50, rotating in rotation about the axis 23, to facilitate the use of the nozzle 100. During the movement towards the Before the squeegee 100, the user's pushing force is decomposed into a downward vertical component and a forward horizontal component. The roller 50 takes up the vertical component on the ground and the movement is thus easy for the user and only the horizontal component is transmitted to the sole 10. Moreover, the latter comprises a suction channel 13 delimited by a scraping edge before 11 and a rear scraping edge 12. These scraping edges are connected to flat or chamfers on the underside of the sole 10. It is important to ensure that the suction efficiency is optimal for cleaning the floor 200 For this purpose, the sole 10 can pivot about the axis 21, so that the front edge is in contact with the ground to ensure scraping, but while having a ground separation of the rear edge 12 of the value d1 to distribute the flow of air sucked into the suction channel 13 all along the rear edge 12. In this direction of movement, a stop 14 of the sole 10 comes into contact with an arm 24 of the connecting rod to guarantee the good value of d1 depending on the pressure-flow torque of the vacuum cleaner. In addition, the plating force which is exerted on the soleplate 10 because of this pressure-flow torque of the vacuum cleaner rubs the scraping edge 11 on the ground 200 and a friction force results which results opposes the movement. To limit this prejudicial effort to use, the tilting is provided so that the scraping edge 11 and a portion of the underside of the soleplate 10 are in contact with the ground, in order to distribute the contact forces, depending the pressure-flow torque of the vacuum cleaner, while maintaining a correct floor scratching 200. The soleplate 10 comprises another stop 15 which is not in contact with the arm 24 of the connecting rod and the angle α1 shown shows the maximum possible pivoting for the soleplate 10.

La figure 2 représente le suceur d'aspirateur 100 en mouvement vers l'arrière, tiré par l'utilisateur. Celui-ci tire simplement vers l'arrière la crosse de manipulation à une hauteur du sol définie, ce qui a pour effet de soulever le galet 50 du sol. Pour arriver aux mêmes avantages précités, à savoir optimiser l'efficacité d'aspiration et minimiser les efforts de frottement tout en ayant un bon grattage, la semelle 10 pivote autour de l'axe 21 pour venir en butée sur la bielle 20. Ce pivotement permet de garantir un décollement d2 du sol de l'arête avant de grattage 11 adapté au débit d'air pour le répartir tout le long de l'arête avant de grattage 11 et un contact de l'arête arrière de grattage 12 et d'une partie de la face inférieure de la semelle 10, assurant un faible effort de frottement et un bon grattage en fonction de la force de plaquage créée par le couple pression-débit de l'aspirateur.The figure 2 represents the suction nozzle 100 moving backwards, pulled by the user. It simply pulls back the buttstock at a defined height of the ground, which has the effect of lifting the roller 50 from the ground. To achieve the same advantages mentioned above, namely to optimize the suction efficiency and minimize the friction forces while having a good scratching, the sole 10 pivots about the axis 21 to abut on the rod 20. This pivoting allows to guarantee a separation d2 of the ground of the front scraping edge 11 adapted to the air flow to distribute it all along the front edge of scraping 11 and a contact of the rear edge of scraping 12 and a portion of the underside of the sole 10, ensuring a low friction force and a good scraping depending on the plating force created by the pressure-flow torque of the vacuum cleaner.

La figure 3 représente le suceur 100 de la figure 1 en marche avant, mais modifié pour pouvoir être utilisé de manière optimale avec un deuxième couple pression-débit. Dans l'hypothèse où le suceur 100 doit être utilisé avec un couple-pression débit inférieur, il faut d'une part que l'arête arrière de grattage qui se soulève répartisse tout le débit le long de l'arête arrière et d'autre part, l'arête de grattage en contact avec le sol doit néanmoins exercer une action mécanique sur le sol pour assurer un bon grattage. A cet effet, la bielle 20 est modifiée en ajoutant des butées 25 et 26 qui limitent la rotation de la semelle 10 autour de l'axe 21 afin d'obtenir les résultats exposés ci-dessus. En effet, comme la butée 14 arrive en contact avec la butée additionnelle 25, la semelle 10 pivote d'un angle α2 inférieur à α1, l'arête arrière 12 se soulève d'une valeur d3 inférieure à d1 pour répartir le débit d'air plus faible, et l'arête avant de grattage 11 est en contact avec le sol 200, mais est moins inclinée par rapport à ce dernier, de sorte que son action mécanique est plus importante. L'espace libre entre la butée additionnelle 26 et la butée 15 de la semelle 10 montre le débattement total de la semelle 10, c'est-à-dire l'angle α2 qui est inférieur à l'angle α1. L'ajout des butées additionnelles 25 et 26 a eu pour effet d'adapter le pivotement de la semelle au couple pression-débit inférieur pour optimiser l'efficacité de nettoyage (répartition du flux d'air le long de l'arête qui se soulève et grattage du sol) tout en assurant une utilisation facile de l'aspirateur. Lors du mouvement en marche arrière du suceur d'aspirateur 100, la semelle 10 pivotera dans le sens inverse, la butée additionnelle 26 arrivera en contact avec la butée 15, et de manière similaire grâce au pivotement limité, le décollement du sol 200 de l'arête avant de grattage 11 et le contact de l'arête arrière de grattage 12 avec le sol 200 seront adaptés au nouveau couple pression-débit.The figure 3 represents the nozzle 100 of the figure 1 forward, but modified to be used optimally with a second pressure-flow torque. Assuming that the nozzle 100 is to be used with a torque-pressure lower flow, it is necessary on the one hand that the rear edge of scraping that rises distributes all the flow along the rear edge and other on the other hand, the edge of scratching in contact with the ground must nevertheless exert a mechanical action on the ground to ensure a good scratching. For this purpose, the rod 20 is modified by adding stops 25 and 26 which limit the rotation of the sole 10 about the axis 21 in order to obtain the results described above. Indeed, as the abutment 14 comes into contact with the additional abutment 25, the soleplate 10 rotates by an angle α2 less than α1, the rear edge 12 rises by a value d3 less than d1 to distribute the flow rate. lower air, and the front edge of scraping 11 is in contact with the ground 200, but is less inclined relative to the latter, so that its mechanical action is more important. The free space between the additional abutment 26 and the abutment 15 of the soleplate 10 shows the total deflection of the soleplate 10, that is to say the angle α2 which is smaller than the angle α1. The addition of the additional stops 25 and 26 has had the effect of adapting the pivoting of the soleplate to the lower pressure-flow torque to optimize the cleaning efficiency (distribution of the air flow along the ridge that rises). and scraping the floor) while ensuring easy use of the vacuum cleaner. During the reverse movement of the vacuum nozzle 100, the sole 10 will pivot in the opposite direction, the additional stop 26 will come into contact with the stop 15, and similarly thanks to the limited pivoting, the detachment of the floor 200 from the floor. The front edge of scraping 11 and the contact of the rear scraping edge 12 with the floor 200 will be adapted to the new pressure-flow torque.

On comprendra que diverses modifications et/ou améliorations évidentes pour l'homme du métier peuvent être apportées aux différents modes de réalisation de l'invention décrits 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 various embodiments 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 base (10) configured to clean a floor with at least two air pressure-flow couples and rotationally connected to a connecting rod (20), the vacuum cleaner nozzle (100) comprising means to limit the rotation of the base (10) at a rotation angle α with respect to the connecting rod, characterised in that the base rotation limiting means are configured to modulate the rotation angle α depending on the value of the air pressure-flow couple.
  2. Vacuum cleaner nozzle (100) according to claim 1, characterised in that the rotation angle α is proportional to the pressure-flow couple.
  3. Vacuum cleaner nozzle (100) according to any one of the claims 1 or 2, characterised in that the base rotation limiting means are abutment means arranged on the connecting rod and on the base.
  4. Vacuum cleaner nozzle (100) according to any one of the claims 1 to 3, the base (10) being configured to be used with a first air pressure-flow couple of a first vacuum cleaner, or with a second air pressure-flow couple of a second vacuum cleaner, characterised in that the base rotation limiting means by limiting rotation about the connecting rod at a first angle α1, depending on the first air pressure-flow couple, or at a second angle a2, depending on the second air pressure-flow couple.
  5. Vacuum cleaner nozzle (100) according to claim 4, insofar as it relates to claim 3, characterised in that the abutment means are identical, either on the connecting rod or on the base, to limit the rotation thereof at the first angle α1 or at the second angle α2.
  6. Vacuum cleaner nozzle (100) according to any one of the claims 3 to 5, characterised in that the abutment means comprise a cylindrical part forcibly fitted on the connecting rod or on the base, and featuring a length that determines the value of the rotation angle α.
  7. Vacuum cleaner nozzle (100) according to claim 1, the base (10) being configured to be used with a variable air pressure-flow couple of the vacuum cleaner, characterised in that the base rotation limiting means limit the rotation of the base at a variable angle α, depending on the variable air pressure-flow couple.
  8. Vacuum cleaner nozzle (100) according to claim 7, characterised in that the means limiting the rotation of the base comprise an elastic member, the rigidity of which limits the rotation of the base at a variable angle α, depending on the variable air pressure-flow couple.
  9. Vacuum cleaner nozzle (100) according to any one of the claims 7 or 8, characterised in that the angle α is variable within a predetermined range based on the variable air pressure-flow couple and in that the base rotation limiting means comprise abutment means that limit the rotation of the base at a maximum rotation angle am.
  10. Vacuum cleaner comprising a vacuum cleaner nozzle according to any one of the claims 1 to 9.
EP11306425.7A 2010-11-05 2011-11-03 Vacuum cleaner nozzle with rotatably limited base plate Active EP2449936B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1059166A FR2967042B1 (en) 2010-11-05 2010-11-05 VACUUM SQUEEGEE WITH ROTATING SEAT

Publications (2)

Publication Number Publication Date
EP2449936A1 EP2449936A1 (en) 2012-05-09
EP2449936B1 true EP2449936B1 (en) 2018-09-12

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ID=44170264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11306425.7A Active EP2449936B1 (en) 2010-11-05 2011-11-03 Vacuum cleaner nozzle with rotatably limited base plate

Country Status (6)

Country Link
EP (1) EP2449936B1 (en)
KR (1) KR101958480B1 (en)
CN (1) CN102462448B (en)
ES (1) ES2690718T3 (en)
FR (1) FR2967042B1 (en)
TR (1) TR201814840T4 (en)

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CN104146659A (en) * 2014-01-22 2014-11-19 苏州市春菊电器有限公司 Dust collector floor brush
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DE102015100110A1 (en) * 2015-01-07 2016-07-07 Wessel-Werk Gmbh Floor nozzle for vacuum cleaner
JP2016131729A (en) * 2015-01-20 2016-07-25 パナソニックＩｐマネジメント株式会社 Suction tool for vacuum cleaner and vacuum cleaner using the same
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CN105455732B (en) * 2016-01-04 2018-05-01 江苏美的清洁电器股份有限公司 Brush head assembly and there is its dust catcher
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Also Published As

Publication number Publication date
CN102462448A (en) 2012-05-23
KR101958480B1 (en) 2019-03-14
FR2967042A1 (en) 2012-05-11
TR201814840T4 (en) 2018-11-21
EP2449936A1 (en) 2012-05-09
ES2690718T3 (en) 2018-11-22
FR2967042B1 (en) 2013-01-04
KR20120048512A (en) 2012-05-15
CN102462448B (en) 2017-04-12

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