EP3298944B1 - Buse de sol pour aspirateur et aspirateur - Google Patents

Buse de sol pour aspirateur et aspirateur Download PDF

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Publication number
EP3298944B1
EP3298944B1 EP17187397.9A EP17187397A EP3298944B1 EP 3298944 B1 EP3298944 B1 EP 3298944B1 EP 17187397 A EP17187397 A EP 17187397A EP 3298944 B1 EP3298944 B1 EP 3298944B1
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EP
European Patent Office
Prior art keywords
lip
suction mouth
strip
floor nozzle
suction
Prior art date
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Active
Application number
EP17187397.9A
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German (de)
English (en)
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EP3298944A3 (fr
EP3298944A2 (fr
Inventor
Martin Behrenswerth
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.)
Miele und Cie KG
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Miele und Cie KG
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Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP3298944A2 publication Critical patent/EP3298944A2/fr
Publication of EP3298944A3 publication Critical patent/EP3298944A3/fr
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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
    • A47L9/0666—Nozzles with fixed, e.g. adjustably fixed brushes or the like with tilting, floating or similarly arranged brushes, combs, lips or pads

Definitions

  • the invention relates to a floor nozzle for a vacuum cleaner for cleaning and care of floor surfaces, having a housing which has a lower surface in processing position of the bottom surface on which an elongated, extending transversely to the direction of processing suction mouth is arranged, wherein the suction mouth bounded by an associated suction mouth is, wherein the suction mouth edge has a fastening part and a lip, wherein the fastening part is fixed to the underside and the lip is designed to be movable relative to the fastening part.
  • the invention relates to a vacuum cleaner with such a floor nozzle.
  • vacuum cleaners are used to clean surfaces such as textile floor coverings and smooth floors.
  • a floor nozzle of the vacuum cleaner is continuously pushed back and forth on a floor surface for dust absorption.
  • the dust absorption efficiency of the vacuum cleaner depends strongly on the design of the floor nozzle.
  • a floor nozzle for a floor care device wherein here formed by a pivotable lip so-called suction mouth behind the suction mouth of the nozzle optimally adjusted to the conditions that occur when pushing and pulling the nozzle.
  • a floor nozzle for a floor care device wherein on the floor nozzle an elongated, extending transversely to the processing direction suction mouth is arranged, wherein within the Saugmundes a brush element is arranged, which is designed to be movable via a fastening part and a spring element.
  • the brush element is movable by a vertical spring movement perpendicular to the machining direction.
  • a floor nozzle with the features of claim 1 and a vacuum cleaner according to claim 11.
  • the suction mouth edge between the fastening part and the lip or strip has at least one spring element, wherein the spring element allows a vertical spring movement of the lip or bar perpendicular to the machining direction, the suction mouth edge can better adapt to the floor covering of the floor surface to be cleaned. Due to the vertical spring-loaded movement of the lip or strip, different and changing forces that result from pushing and pulling the floor nozzle in the machining direction, be compensated more effectively by the suction mouth edge.
  • the strip itself is rigid, that is formed of a hard material, while a lip deformable in the classical sense, that is, made of an elastic or soft material, such as rubber or an elastomer.
  • a lip deformable in the classical sense that is, made of an elastic or soft material, such as rubber or an elastomer.
  • the component referred to hereinafter as lip comprises both variants, ie the classic deformable component and the rigid strip.
  • the dust absorption efficiency of the floor nozzle - especially on carpets - can be advantageously increased so that good performance classes and dust absorption values can be achieved even at low recording powers.
  • the floor surface may be covered by a textile floor covering such as a carpet or carpet or by a hard floor such. As a wood parquet, laminate or PVC flooring are formed.
  • the vacuum cleaner may have a fan for generating a negative pressure, through which the floor nozzle guided over a floor surface to be cleaned receives dust and dirt from the floor surface.
  • the floor nozzle is moved back and forth by the user by means of push and pull movements in the machine direction.
  • the floor nozzle slides over the floor surface to be cleaned.
  • the underside of the floor nozzle slides over the bottom surface, while the underside of hard floors soils, possibly floated by spacer bristles, over these bottom surfaces.
  • the user can handle for example a connected to the suction pipe handle of the vacuum cleaner.
  • the suction mouth is elongated and extends substantially transversely to the machining direction.
  • elongated means that the preferably substantially rectangular suction mouth has a greater length transversely to the machining direction than the width in the machining direction.
  • the floor nozzle can also be arranged on a self-propelled vacuum cleaner, in particular suction robot, so that the machining direction of the floor nozzle corresponds to the direction of travel of the self-propelled vacuum cleaner.
  • a vacuum cleaner housing of the vacuum cleaner may have a dust receiving chamber in which the dust received via the floor nozzle can be collected, for example, in a dust bag.
  • a suction mouth associated with the suction mouth is arranged on the underside.
  • the arrangement of a suction mouth edge, which allows a vertical spring movement of the lip is included a forward movement of the floor nozzle in the machining direction of particular advantage when it is in front of the suction mouth.
  • carpet fibers swept over by the suction mouth edge are effectively bent, without requiring an excessive effort by the user during the advancing movement.
  • the vertical spring movement allows optimal positioning of the lip on the floor surface, even on changing surfaces.
  • the subsequent in the advancing movement of the lip suction mouth allows the effective absorption of dirt and dirt from the bent up from the lip carpet fibers.
  • the arrangement of a corresponding suction mouth behind the suction mouth allows a corresponding advantageous treatment of the bottom surface in the backward movement of the floor nozzle in the machine direction.
  • the floor nozzle has at least two suction mouth edges associated with a suction mouth, wherein at least one suction mouth edge is arranged on the underside in the machine direction and at least one suction mouth edge on the bottom in the machine direction behind the suction mouth.
  • the arrangement of two suction mouth edges in front of and behind a suction mouth in the machine direction enables optimal bending of the carpet fibers both in the forward movement and in the backward movement of the floor nozzle in the machine direction.
  • the bending of the carpet fibers through the suction mouth edge and the absorption of dirt and dirt by the subsequent in the respective movement suction mouth can ensure optimum cleaning of the floor surface, without a significantly increased force required by the user for this.
  • the same or at least approximately equal forces in the direction of the floor covering can be exerted on the front and the rear Saugmundkante on a flooring to be cleaned in a use of the proposed floor nozzle having floor care device when pushing and pulling the floor nozzle. Since with the presented approach the suction mouth edge in front of the suction mouth can react flexibly to changing conditions of the floor covering, the floor nozzle and in particular the lip opposite the floor covering can be optimally positioned to achieve good dust absorption values.
  • a preferred embodiment provides that the lip of at least one suction mouth edge is designed to be pivotable about an axis extending transversely to the machining direction.
  • the additional pivotability of the lip offers an additional possibility for adapting the lip position to the properties of the floor surface to be cleaned.
  • the pivoting of the lip allows for better alignment for effective bending of the swept carpet fibers, with the vertical element allowed by the spring element Movement provides optimal adaptation to changing properties of the floor surface to be cleaned.
  • At least one suction mouth edge arranged in the processing direction behind the lip, rear pivot limiting stopper for limiting a pivoting movement of the lip in a first pivoting direction and / or at least one Saugmundkante a arranged in the machining direction in front of the lip, front pivot limiting stop for limiting a pivoting deflection the lip has in a direction opposite to the first pivoting direction second pivoting direction.
  • the provision of a swing limit stop in front of or behind the lip provides an easy way to limit the pivoting angle of the lip about the transverse axis to the machining direction.
  • the limitation by means of a swing limit stop enables the lip to be supported against the boundary when it stops, thus preventing further pivoting. This support on the swing limit stop leads to a sufficiently strong processing, ie sweeping, even of harder carpets through the lip, the vertical displacement possibility of the lip by the spring element prevents excessive wear of the lip and reduces the effort for the user if necessary.
  • first pivot limiting stop provides a first abutment surface for the lip and / or that the second pivot limiting stop provides a second abutment surface for the lip, wherein in a rest position of the lip, the first abutment surface is substantially parallel to the lip and the second abutment surface limits the pivoting angle of the lip in the direction of the second pivot limiting stop such that the pivoting angle of the lip, starting from a position perpendicular to the machining direction, is between 45 ° and 90 °, preferably approximately 70 °.
  • a substantially parallel to the rest position of the lip, that is substantially perpendicular to the machining direction stop surface offers the possibility to set up the pivotable lip at stop with this surface opposite the machining direction, whereby the swept carpet fibers are bent particularly effective.
  • a stop surface which limits the pivoting angle of the lip from a rest position perpendicular to the machining direction between 45 ° and 90 °, allows the lip to abut against this surface after pivoting so that the lip slides more easily over the carpet fibers without this a special effort by the user would be required.
  • an advantageous embodiment of the invention provides that an arranged between the suction mouth and lip first pivot limiting stop has a substantially parallel to the lip in the rest position extending stop surface, while a the first Swivel limiting stop from the lip of opposite second pivot limiting stop the pivot angle of the lip in the direction of the second pivot limiting stop limited such that the pivot angle of the lip from a position perpendicular to the machining direction between 45 ° and 90 °, preferably about 70 °.
  • a substantially parallel to the rest position of the lip, that is substantially perpendicular to the machining direction stop surface offers the possibility to set up the pivotable lip at stop with this surface relative to the machining direction.
  • the lip is placed, which sweeps through the feed or retraction movement of the floor nozzle in the machining direction of the carpet fibers and bends, which are then freed from the subsequent suction of dirt and dirt.
  • a significant reduction in the force required for advancing and retracting the floor nozzle can be achieved by the lip, which sweeps over the carpet fibers by the advancing or retreating movement in the machining direction, which has already been cleaned by the suction mouth, is pivoted by up to 90 °.
  • At least one suction mouth edge is elongate and extends parallel to the suction mouth.
  • a preferred embodiment provides that on the underside a plurality of elongated, transverse to the processing direction and are arranged parallel to each other aligned Saugmünder, these Saugmünder are limited by at least one Saugmundkante.
  • the parallel arrangement of several suction nozzles on the underside of a floor nozzle offers the possibility of a particularly effective cleaning. This ensures that the suction mouths associated Saugmundkanten sweep in the feed and retraction movement in the machine direction successively to be cleaned floor surface.
  • This multiple sweeping of the bottom surface through the Saugmundkanten increases the dust pickup, although the volume of air delivered by the fan is divided in this case on several Saugmünder.
  • This multiple sweeping of the bottom surface also offers over floor nozzles with only a suction mouth the advantage that the user much earlier achieves a satisfactory cleaning result on the surface to be cleaned and must initiate less advancing and retreating movements of the floor nozzle.
  • At least one elongated, transversely to the processing direction extending air duct is arranged between the suction mouths on the underside.
  • the air channel extends from the bottom to the opposite top of the housing.
  • the passage of the air duct to the top of the floor nozzle ensures the highest possible air flow in the entire area of the suction mouth.
  • the subject matter of the invention is a vacuum cleaner for cleaning and care of floor surfaces with a fan for generating a negative pressure for receiving dirt by means of an air flow and a separation system for cleaning the air taken from the dirt, wherein the already described in more detail below vacuum cleaner and a floor nozzle according to has the previous and following description.
  • FIG. 1 shows a vacuum cleaner 2 according to the invention with a connected to the vacuum cleaner 2 floor nozzle 1.
  • the vacuum cleaner 1 shown in the embodiment is a so-called canister vacuum cleaner.
  • the floor nozzle 1 is connected here via its connecting piece 23 with a preferably telescopically designed suction pipe 18.
  • the floor nozzle 1 in this embodiment shown a separate from Vacuum cleaner housing 25, 25 a independent housing 3 on.
  • the telescopic suction tube 18 merges into a handle 19, to which a suction hose 20 is connected, which is connected to the vacuum cleaner housing 25, 25 a.
  • An electric connection cable 16 is used to operate a blower (not shown) of the vacuum cleaner 2 (not shown) in the vacuum cleaner housing 25, 25a in order to generate a negative pressure.
  • a blower not shown
  • a separation system 28 which in the exemplary embodiment is designed as a dust bag. This separation system 28 is located in a formed by the housing parts 25 and 25 a of the vacuum cleaner 2 dust chamber 29.
  • This dust chamber 29 is shown by a folding mechanism between the vacuum cleaner housing parts 25 and 25 a accessible and open, so that the separation system 28 is visible and removable.
  • the dust chamber 29 is closed and generates a negative pressure.
  • the air flow generated by the negative pressure is freed of dirt and dirt in the separation system 28 and led out of the vacuum cleaner 2 via an exhaust grille 27.
  • this has a treadle 22.
  • This treadle 22 includes switches that are large enough for a user to manipulate with their foot.
  • the treadle circuit 22 also typically includes a switch for actuating the automatic winder for the connection cable 26 (not shown) integrated in the vacuum cleaner housing 25, 25a.
  • a manual circuit 21 with the functions of the vacuum cleaner 2 and the floor nozzle 1 can be activated.
  • the vacuum cleaner 2 can be turned on and off via the manual circuit 21 and power levels of the fan (not shown) can be selected.
  • a user of the vacuum cleaner 1 can grasp it on the handle 19 and thus push the floor nozzle 1 forward and backward in a machining direction 5 marked by a push and pull movement in the machining direction 5, in order to clean the floor surface.
  • the floor nozzle 1 slides over the floor surface to be cleaned.
  • the floor nozzle 1 also supporting elements 24 in the form of wheels, which a defined distance of the bottom 4 ( Fig. 3 . 4 u. 6) to ensure the floor surfaces to be cleaned and easy handling when pushing back and forth the floor nozzle 1.
  • FIG. 2 schematically shows a floor nozzle 1 of the invention from a bird's eye view.
  • This top view clearly shows an oblong across Recognize machining direction 5 extending air duct 16, which extends to the top 17 of the housing 3.
  • FIG. 3 is a floor nozzle 1 according to the invention for a vacuum cleaner 2 ( Fig. 1 ) a side view shown. For reasons of clarity, only a half floor nozzle 1 is shown in the side views. In addition, not all identical elements shown here are provided with reference numerals.
  • the floor nozzle 1 shown schematically here, as well as the embodiment in FIG. 2 an elongated transverse to the processing direction 5 extending air duct 16, which is located between the two Saugmündern 6, 6a.
  • the two elongated suction mouths 6, 6a on the underside 4 extend transversely to the machining direction 5 and are aligned parallel to each other.
  • the suction mouths 6, 6a are located in the illustrated processing position on the bottom surface facing the bottom surface 4 of the housing 3 of the floor nozzle 1.
  • the Saugmünder 6, 6a are each bounded by a suction mouth 6, 6a Saugmundkanten 7, 7a, wherein the Saugmundkanten , 7a have a fastening part 8, 8a and a lip 9, 9a.
  • the suction mouth edges 7, 7a are elongate and extend parallel to the suction mouths 6, 6a.
  • the fastening part 8, 8a of the suction mouth edges 7, 7a is fastened to the underside 4 of the floor nozzle 1, the lips 9, 9a being designed to be movable relative to the fastening parts 8, 8a.
  • each suction mouth edge 7, 7a between the fastening part 8, 8a and the lip 9, 9a has a spring element 10.
  • This spring element 10 allows a direction indicated as a double arrow spring movement 11 of the lip 9, 9a perpendicular to the machining direction 5.
  • unevenness in the floor surface to be cleaned can be compensated and the Saugmundkanten 7, 7a can thereby better adapt to changing properties of the bottom surface.
  • From each of a suction mouth 6, 6a associated Saugmundkanten 7, 7a is a suction mouth edge 7 on the bottom 4 in the machine direction 5 in front of the suction mouth 6, 6a and a suction mouth 7a on the bottom 4 in the machine direction 5 behind the suction mouth 6, 6a.
  • the lips 9, 9a of the suction mouth edges 7, 7a can each pivot about an axis 12, 12a extending transversely to the machining direction 5, wherein the pivot axes 12, 12a of the lips 9, 9a are indicated by dash-dotted lines.
  • a lip root 30, 30a is connected to the spring element 10 and the pivot axis 12, 12a is disposed between lip root 30, 30a and lip 9, 9a.
  • the pivoting movement 14, 14a of the lips 9, 9a is triggered by a contact of the suction mouth edges 7, 7a with the floor surface to be cleaned and by the advancing and retracting movement in the machining direction 5, initiated by the user.
  • the pivoting movement 14, 14 a of the lips 9, 9 a are limited by pivot limiting stops 13, 13 a on the bottom 4 of the floor nozzle 1.
  • pivot limiting stops 13, 13 a are arranged at each suction mouth edge 7, 7a, 9a arranged rear pivot boundary stop 13 and arranged in the machining direction 5 in front of the lip front pivot boundary stop 13a.
  • the rear pivot limiting stop 13 limits the pivoting deflection of the lip 9, 9a in a first pivoting direction 14
  • the front pivoting limiting stop 13a limits the pivoting deflection of the lip 9, 9a in a second pivoting direction 14a opposite to the first pivoting direction 14.
  • the pivoting directions 14, 14a are indicated by two curved arrows.
  • Both a lip 9, 9a associated pivot limiting stops 13, 13a each provide a stop surface 15, 15a for this purpose.
  • a first abutment surface 15 of the rear pivot limiting stop 13 extends substantially parallel to the lip 9, 9a in a rest position.
  • the second abutment surface 15a of the front pivot limiting stop 13a limits the pivot angle of the lip 9, 9a, starting from a position perpendicular to the machining direction 5 by about 55 °.
  • floor nozzle 1 is moved in the machine direction 5 from left to right.
  • the lips 9, 9a bear against the pivot limiting stops 13, 13a arranged to the left of them.
  • the air channel 16 extends from the bottom 4 to the top 3 opposite the housing 3.
  • the lips 9a of the suction mouth 6, 6a subsequent Saugmundkanten 7a in the direction of movement 5 are also applied to the pivot limiting stop 13a, in which case the pivot angle starting from a position perpendicular to the machining direction 5 is limited by about 55 ° by the abutment surface 15a. This reduces the force required for the movement of these subsequent suction mouth edges 7a over the substrate to be cleaned.
  • the lips 9, 9a pivot about the pivot axes 12, 12a and are in contact with the currently not used pivoting limit stops 13, 13a.
  • the lips 9, 9a of the suction mouth edges 7, 7a are optimally positioned for the respective machining direction 5.
  • FIG. 4 shows a floor nozzle 1 according to the invention for a vacuum cleaner 2 ( Fig. 1 ) a side view.
  • the floor nozzle shown schematically here, as well as the embodiment in FIG. 2 , an elongated transverse to the processing direction 5 extending air duct 16, which is located between the two Saugmündern 6, 6a.
  • FIG. 4 Shown floor nozzle 1 changed to the effect that at the Saugmundkanten 7, 7a two limit stops 13 each having substantially parallel stop surfaces 15, wherein between the stop surfaces 15 each have a lip 9, 9a is arranged.
  • the stop surfaces 15 running perpendicular to the machining direction 5 support the lips 9, 9a in the machining direction 5, so that they mainly execute a spring movement 11 made possible by the spring elements 10 perpendicular to the machining direction 5.
  • Such a designed floor nozzle 1 allows the Saugmundkanten 7, 7a particularly easy and flexible with respect to the height to adapt to the properties of the flooring.
  • FIG. 5 schematically shows a floor nozzle 1 of the invention from a bird's eye view.
  • This top view clearly shows two elongate air ducts 16, 16a running transversely to the machining direction 5, which extend up to the upper side 17 of the housing.
  • FIG. 6 is a floor nozzle 1 according to the invention for a vacuum cleaner 2 ( Fig. 1 ) a side view shown.
  • the floor nozzle 1 shown schematically here, as well as the embodiment in FIG. 5 , two elongated, transverse to the machine direction 5 extending air channels 16, 16a, which are located between three Saugmündern 6, 6a, 6b.
  • the suction mouths 6, 6a, 6b are located in the illustrated processing position on the bottom surface facing the bottom surface 4 of the housing 3 of the floor nozzle 1.
  • the Saugmünder 6, 6a, 6b are each by a suction mouth 6, 6a, 6b associated Saugmundkanten 7, 7a limited.
  • the lips 9, 9a of the suction mouth edges 7, 7a can each pivot transverse to the machining direction 5 extending axis 12, 12a.
  • floor nozzle 1 is moved in the machine direction 5 from left to right.
  • the lips 9, 9a bear against the pivot limiting stops 13, 13a arranged to the left of them.
  • the lips 9 of the suction mouth edges 7 arranged in the direction of movement 5 in front of the suction mouths 6, 6a, 6b are set up by the stop surfaces 15 extending essentially perpendicular to the rest position of the lips 9 and cover the carpet fibers, bending them up for cleaning.
  • the these lips 9 in the direction of movement subsequent suction mouth 6, 6a, 6b removed the dirt and dirt from the so bent up carpet fibers by means of the air flow generated by the blower of the vacuum cleaner 2. This airflow is indicated by the dashed arrows in FIG. 6 indicated.
  • the air ducts 16, 16a extend from the bottom 4 to the top 3 opposite the housing 3.
  • the lips 9a of the suction mouths 7a following the suction mouths 6, 6a, 6b in the direction of movement 5 are also applied to the pivoting limit stops 13a, in which case the swivel angle starting from a position perpendicular to the machining direction 5 is limited by about 55 ° by the abutment surface 15a. This reduces the force required for the movement of these subsequent suction mouth edges 7, 7a over the substrate to be cleaned.
  • the invention is not limited to the illustrated embodiments. Further embodiments are possible without departing from the basic idea.
  • the floor nozzle 1 may also be formed as part of a self-propelled vacuum cleaner.

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

Claims (11)

  1. Buse de sol (1) pour aspirateur (2) destinée au nettoyage et à l'entretien de surfaces de sol, comportant un boîtier (3), lequel boîtier présente un côté inférieur (4) orienté vers la surface de sol en position de travail, une embouchure d'aspiration allongée (6) s'étendant transversalement à la direction de travail (5) étant disposée sur ledit côté inférieur, l'embouchure d'aspiration (6) étant délimitée par un bord d'embouchure d'aspiration associé (7), le bord d'embouchure d'aspiration (7) comportant une partie de fixation (8) et une lèvre (9), la partie de fixation (8) étant fixée sur le côté inférieur (4) et la lèvre (9) étant conçue de manière à pouvoir se déplacer par rapport à la partie de fixation (8), le bord d'embouchure d'aspiration (7) comportant au moins un élément élastique (10) entre la partie de fixation (8) et la lèvre (9), l'élément élastique (10) permettant un mouvement élastique vertical (11) de la lèvre ou de la barre (9) transversalement à la direction de travail (5), caractérisée en ce qu'une pluralité d'embouchures d'aspiration allongées (6, 6a, 6b) s'étendant transversalement à la direction de travail (5) et orientées parallèlement les unes aux autres sont disposées sur le côté inférieur (4), ces embouchures d'aspiration (6, 6a, 6b) étant limités par au moins un bord d'embouchure d'aspiration (7, 7a).
  2. Buse de sol (1) selon la revendication 1, caractérisée en ce que, dans la direction de travail (5), devant la direction de travail (5) ou dans celle-ci, derrière l'embouchure d'aspiration (6), un bord d'embouchure d'aspiration (7) associé à l'embouchure d'aspiration (6) est disposé sur le côté intérieur (4).
  3. Buse de sol (1) selon la revendication 1, caractérisée en ce que la buse de sol (1) présente au moins deux bords d'embouchure d'aspiration (7, 7a) associés à une embouchure d'aspiration (6), au moins un bord d'embouchure d'aspiration (7) étant disposée sur le côté inférieur (4) dans la direction de travail (5)devant l'embouchure d'aspiration (6) et au moins un bord d'embouchure d'aspiration (7a) étant disposé sur le côté intérieur (4) dans la direction de travail (5), derrière l'embouchure d'aspiration (6).
  4. Buse de sol (1) selon l'une des revendications 1 à 3, caractérisée en ce que la lèvre ou la barre (9) d'au moins un bord d'embouchure d'aspiration (7, 7a) est conçue pour pouvoir pivoter autour d'un axe (12, 12a) s'étendant transversalement à la direction de travail (5).
  5. Buse de sol (1) selon la revendication 4, caractérisée en ce qu'au moins un bord d'embouchure d'aspiration (7, 7a) présente une butée de limitation de pivotement arrière (13) disposée derrière la lèvre ou la barre (9, 9a) dans la direction de travail (5) pour limiter un débattement de pivotement de la lèvre ou de la barre (9, 9a) dans une première direction de pivotement (14) et/ou au moins un bord d'embouchure d'aspiration (7, 7a) présente une butée de limitation de pivotement avant (13a) disposée dans la direction de travail (5) devant la lèvre ou la barre (9) pour limiter un débattement de pivotement de la lèvre ou de la bande (9, 9a) dans une seconde direction de pivotement (14a) opposée à la première direction de pivotement (14).
  6. Buse de sol (1) selon la revendication 5, caractérisée en ce que la première butée de limitation de pivotement (13) présente une première surface de butée (15) pour la lèvre ou la barre (9, 9a) et/ou en ce que la seconde butée de pivotement (13a) présente une seconde surface de butée (15a) pour la lèvre ou la barre (9, 9a), dans une position de repos de la lèvre ou de la barre (9, 9a), la première surface de butée (15) s'étendant sensiblement parallèlement à la lèvre ou à la barre (9, 9a) et la seconde surface de butée (15a) limitant l'angle de pivotement de la lèvre ou de la barre (9, 9a) dans la direction de la seconde butée de limitation de pivotement (13a), de sorte que l'angle de pivotement de la lèvre ou de la barre (9, 9a), à partir d'une position transversale à la direction de travail (5), soit compris entre 45 ° et 90 °, de préférence d'environ 70 °.
  7. Buse de sol (1) selon la revendication 5 ou 6, caractérisée en ce qu'une première butée de limitation de pivotement (13) disposée entre l'embouchure d'aspiration (6) et la lèvre ou la barre (9, 9a) présente une surface de butée (15) s'étendant sensiblement parallèlement à la lèvre ou à la barre (9, 9a) en position repos, tandis qu'une seconde butée de limitation de pivotement (13a) opposée à la première butée de limitation de pivotement (13) de la lèvre ou de la barre (9, 9a) limite l'angle de pivotement de la lèvre ou de la barre (9, 9a) dans la direction de la seconde butée de limitation de pivotement (13a), de sorte que l'angle de pivotement de la lèvre ou de la barre (9, 9a), à partir d'une position transversale à la direction de travail (5), soit compris entre 45 ° et 90 °, de préférence d'environ 70 °.
  8. Buse de sol (1) selon l'une des revendications 1 à 7, caractérisée en ce qu'au moins un bord d'embouchure d'aspiration (7, 7a) présente une forme allongée et s'étend parallèlement à l'embouchure d'aspiration (6).
  9. Buse de sol (1) selon la revendication 1, caractérisée en ce qu'au moins un conduit d'air allongé (16, 16a) s'étendant transversalement à la direction de travail (5) est disposé entre les embouchures d'aspiration (6, 6a, 6b) sur le côté intérieur (4).
  10. Buse de sol (1) selon la revendication 9, caractérisée en ce que le conduit d'air (16, 16a) s'étend du côté intérieur (4) jusqu'au côté supérieur (17) opposé du boîtier.
  11. Aspirateur (2) de nettoyage et d'entretien de surfaces de sol, comprenant un ventilateur destiné à la production d'une sous-pression pour recevoir de la saleté au moyen d'un courant d'air et un système de séparation (28) pour nettoyer l'air reçu de la saleté, caractérisé par une buse de sol (1) selon l'une des revendications précédentes.
EP17187397.9A 2016-09-22 2017-08-23 Buse de sol pour aspirateur et aspirateur Active EP3298944B1 (fr)

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US2932055A (en) * 1957-12-16 1960-04-12 Scott & Fetzer Co Vacuum cleaner nozzle with adjustable brush
DE2806571A1 (de) * 1978-02-16 1979-08-30 Hans Wessel Staubsaugermundstueck mit wenigstens einem fadenaufnehmer
GB2266230B (en) * 1992-04-22 1995-11-29 Gold Star Co Nozzle head for vacuum cleaner with duster function
JP2000126094A (ja) * 1998-10-22 2000-05-09 Mitsubishi Electric Corp 電気掃除機の吸込口体
ITMI20041075A1 (it) * 2004-05-28 2004-08-28 New Ermes Europe Spa Meccanismo perfezionato per movimentare un inserti di sfregamento-sollevamento in una testa di aspirazione per aspirapolvere
DE102007022256B4 (de) 2007-05-09 2013-07-25 Miele & Cie. Kg Düse für ein Bodenpflegegerät

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EP3298944A2 (fr) 2018-03-28
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