EP3050475B1 - Buse d'aspiration pour surfaces dures - Google Patents

Buse d'aspiration pour surfaces dures Download PDF

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Publication number
EP3050475B1
EP3050475B1 EP16151819.6A EP16151819A EP3050475B1 EP 3050475 B1 EP3050475 B1 EP 3050475B1 EP 16151819 A EP16151819 A EP 16151819A EP 3050475 B1 EP3050475 B1 EP 3050475B1
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EP
European Patent Office
Prior art keywords
suction
sealing elements
openings
flow
functional position
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16151819.6A
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German (de)
English (en)
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EP3050475A1 (fr
Inventor
Horst Dilger
Klaus-Dieter Riehl
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.)
Wessel Werk GmbH
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Wessel Werk GmbH
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Publication date
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Publication of EP3050475A1 publication Critical patent/EP3050475A1/fr
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Publication of EP3050475B1 publication Critical patent/EP3050475B1/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
    • 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
    • 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
    • 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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/066—Nozzles with fixed, e.g. adjustably fixed brushes or the like with adjustably mounted brushes, combs, lips or pads; Height adjustment of nozzle or dust loosening tools

Definitions

  • the invention relates to a suction nozzle for vacuuming hard floor surfaces with a nozzle body, which has a suction mouth formed as a recess on its underside and a suction channel opening into the suction mouth for the discharge of a suction air stream flowing into the suction mouth, and with sealing elements, which in the working direction in front of and behind the Suction mouth are arranged and protrude on the underside of the nozzle body. At least the sealing element arranged in front of the suction mouth in the working direction has throughflow openings for sucking up dirt particles.
  • the suction channel can be connected to the suction head in a fixed manner or pivotably about a tilting axis.
  • a suction pipe connection piece can also be provided, which is connected to the suction channel such that it can pivot.
  • a suction nozzle for cylinder vacuum cleaners with the features described above is off DE 10 2008 012 889 B4 known.
  • the sealing element of the known suction nozzle which is arranged in front of the suction mouth in the working direction, has throughflow openings for receiving coarse dirt particles.
  • larger dirt particles which in particular can have a particle diameter of more than 2 mm, pass through the through-flow openings of the front sealing element under the suction mouth, where they are captured by the air flow and removed through the suction channel.
  • the throughflow openings of the sealing element arranged in front of the suction mouth in the working direction can be closed.
  • the suction head has a slidably or pivotably mounted sealing element in the nozzle body Flow openings of the front sealing element can be closed.
  • a suction nozzle with the features described at the beginning is used to vacuum slightly soiled hard floor surfaces, it must be ensured that there is sufficient negative pressure inside the suction mouth and sucked air passes through the underside of the sealing elements at a high flow rate so that dust is loosened from the floor surface and in the suction mouth is transported.
  • the sealing elements it should also be taken into account that the sucking in of somewhat larger dirt particles is not hindered too much. Compliance with the aforementioned criteria is not a problem if the suction nozzle is operated together with a powerful suction device. If a suction device with a less powerful suction fan is used, this can lead to a significant deterioration in the suction properties.
  • the worsening of the suction properties on hard floor surfaces is particularly pronounced when the suction nozzle is used in conjunction with a low-performance suction device both for vacuuming smooth floor surfaces and for vacuuming uneven floor surfaces and tiled floor surfaces.
  • Smooth floor surfaces are parquet and laminate floors in particular, as well as polished natural stone floors.
  • Tiled floor surfaces are hard floors that are interspersed with joints several millimeters wide. Uneven hard floor surfaces are, for example, basement floors, stone floors in outdoor facilities and stairwells, plastic floors with structured surfaces and the like.
  • the invention is based on the object of specifying a suction nozzle for sucking hard floor surfaces which, in connection has good suction properties with a low-performance suction device both on grooved or uneven hard floors and on smooth hard floor surfaces and picks up dry, fine-grained dirt particles well.
  • a suction fan with an electrical power consumption of less than 900 watts is to be regarded as a poorly performing suction fan.
  • the subject of the invention and the solution to this problem is a suction nozzle for vacuuming hard floor surfaces according to claim 1.
  • the basic structure of the suction nozzle includes a nozzle body, which has a suction mouth formed as a recess on its underside and a suction channel opening into the suction mouth for discharging a suction air stream flowing into the suction mouth, as well as sealing elements which are arranged in the working direction in front of and behind the suction mouth and on protrude from the bottom of the nozzle body. At least the sealing element arranged in front of the suction mouth in the working direction has throughflow openings for sucking up dirt particles.
  • a shielding device for changing the free flow cross-section of the throughflow opening, which can be switched between a first functional position for vacuuming smooth hard floor surfaces and a second functional position for vacuuming uneven hard floor surfaces and / or tile floors by means of a switching element arranged on the nozzle body, the free total flow cross-section being the Throughflow openings in the second functional position is less than 200 mm 2 , preferably less than 150 mm 2 , and is smaller than in the first functional position.
  • the total free flow cross-section of the throughflow openings results from the sum of non-covered gaps and / or non-covered openings, which are preferably provided in as uniform a distribution as possible in the longitudinal direction of the sealing element.
  • the feature is realized when the air permeability corresponds to an opening with a cross section of less than 200 mm 2 , preferably less than 150 mm 2 .
  • the suction space below the nozzle is effectively sealed off from the outside in order to maintain the suction negative pressure, but without hindering the suction of dirt particles too much.
  • the values according to the invention with regard to the total free flow cross-section of the through-flow openings take into account the fact that when the suction nozzle moves over grooved and uneven hard floor surfaces, air flows get into the suction mouth of the suction nozzle, which are sucked in via the recesses of joints and uneven floors and dirt particles from the area of the joints and carry away adjacent floor areas. If the suction nozzle according to the invention is used for sucking smooth hard floor surfaces, the shielding device releases a larger free total flow cross-section of the throughflow openings.
  • the through-flow openings enable dirt particles that lie on a smooth hard floor surface to be passed over by suction movements of the suction nozzle and thus reach the suction mouth, where they are captured and transported away by the air flow. If the shielding device to change the free flow cross-section of the flow openings is in the first Functional position for vacuuming smooth hard floor surfaces is located, the free flow cross-section of the flow openings is at least 1.5 times larger than in the second functional position, which is intended for vacuuming tile floors and uneven hard floor surfaces.
  • the flow openings of the sealing element arranged in front of the suction mouth in the working direction have a total free flow cross section between 20 mm 2 and 120 mm 2 when the shielding device is in the second functional position for vacuuming uneven hard floor surfaces and / or tile floors.
  • the free total flow cross section of the sealing element that is effective in terms of flow is preferably 100 mm 2 to 300 mm 2 .
  • An advantageous embodiment of the suction nozzle according to the invention provides that the two sealing elements arranged in the suction direction in front of and behind the suction mouth are designed as load-bearing sealing elements and each have throughflow openings for sucking up dirt particles and that the shielding device acts on both sealing elements, the total free flow cross section of the throughflow openings in the second functional position on both sealing elements is less than 200 mm 2 , preferably less than 150 mm 2 , and is smaller than the free flow cross section in the first functional position of the shielding device.
  • the above information for the total free flow cross section of the flow openings provided in the sealing elements is based on a working width of the nozzle body of no more than 350 mm and applies to sealing elements with a length between 200 mm and 300 mm.
  • lateral suction space boundaries are expediently arranged, which bridge the distance between the front sealing element and the rear sealing element.
  • the suction mouth, the sealing elements and the lateral suction space boundaries delimit a suction space on the underside of the nozzle body, which is partitioned off on the circumference, suction air flowing in through flow openings on the bottom between the front sealing element and a flat bottom surface and between the rear sealing element and the bottom surface.
  • the side delimitations of the suction chamber therefore have an air inlet opening or end above the lower edge of the sealing elements, whereby they delimit an air inlet opening on the bottom.
  • the lateral boundaries expediently consist of an air-impermeable element and have a lower edge which is arranged 2 mm to 5 mm above the lower edge of the sealing elements.
  • the lower edge can in particular be designed as a straight edge.
  • the air inlet openings at the ends of the suction mouth are effective regardless of the functional position of the shielding device, so that both when vacuuming smooth hard floor surfaces and when vacuuming tile floors or uneven hard floor surfaces at the ends of the suction chamber, there is a sufficient flow of air to transport the in dirt particles entering the suction mouth.
  • the suction mouth expediently has a rectangular base area.
  • the depth of the suction mouth preferably changes from the mouth area to the ends of the suction mouth.
  • the change in the cross-sectional profile can be selected so that the flow velocity within the suction mouth remains approximately constant from the ends of the suction mouth to the mouth area of the suction channel.
  • the sealing elements arranged in front of and behind the suction mouth in the working direction are expediently aligned parallel to one another and preferably arranged on the edge of the suction mouth.
  • the sealing elements are expediently designed as load-bearing strip-shaped sealing elements.
  • they can consist of bristle strips with a dense bristle facing.
  • a dense bristle facing is present when the bristle strip is opaque in the side view and does not contain any gaps through which air can flow unhindered from the outside into the suction chamber.
  • the sealing elements can consist of strips of textile material or felt.
  • the strip-shaped sealing elements expediently have a width of less than 20 mm and preferably a width of 5 mm to 15 mm. These can have notches on the bottom or a bottom profile with recesses.
  • a first embodiment provides that the shielding device has a vertically adjustable carrier and sealing lips attached to it, with the throughflow openings of the through a lifting movement of the carrier Sealing elements are at least partially closable.
  • the sealing lips are directly adjacent to the sealing elements.
  • the vertically adjustable support with the sealing lips attached can be arranged on the outside of the nozzle body or within the space enclosed by the nozzle body and the sealing elements.
  • the sealing elements provided with throughflow openings are attached to a vertically adjustable carrier which, as part of the shielding device, can be adjusted between a first functional position for vacuuming smooth hard floor surfaces and a second functional position for vacuuming uneven hard floor surfaces and / or tile floors, and the nozzle body has sealing lips arranged on the underside, which are adjacent to the vertically adjustable sealing elements and at least partially close the throughflow openings of the sealing elements when the carrier is in the second functional position.
  • the shielding device has sealing strips which are arranged displaceably or pivotably mounted, the actuation of which closes the throughflow openings of the sealing elements.
  • the suction nozzle shown in the figures has a nozzle body 1, which has a suction mouth 2 formed as a depression on its underside and a suction channel 3 opening into the suction mouth for discharging a suction air stream flowing into the suction mouth 2.
  • the nozzle body 1 is equipped with sealing elements 4, 4 ', which are arranged in front of and behind the suction mouth in the working direction and protrude on the underside of the nozzle body 1.
  • lateral suction chamber delimitations 5 are arranged at the ends of the suction mouth 2, which bridge the distance between the front sealing element 4 and the rear sealing element 4 '.
  • the suction mouth 2, the sealing elements 4, 4 ′ and the lateral suction space boundaries 5 delimit a suction space on the underside of the nozzle body 1.
  • flow openings 6 on the base side between the front sealing element 4 and the base surface and also flow openings 6 on the base side between the rear sealing element 4 'and the base surface are necessary so that dirt particles can be run over and get into the suction mouth 2.
  • the bottom-side throughflow openings 6 result from the structure of the lower edge of the sealing elements 4 4 'and can in particular also be designed as notches or depressions.
  • the suction nozzle comprises a shielding device 7 for changing the free flow cross-section of the throughflow openings 6 provided in the sealing elements 4, 4 '.
  • the shielding device 7 is between a first functional position I for sucking on smooth hard floor surfaces and a second functional position II for a switching element arranged on the nozzle body 1 Switchable vacuuming of uneven hard floor surfaces and / or tile floors.
  • the shielding device 7 can according to the in Fig. 3
  • the illustrated principle illustration have a vertically adjustable carrier 8 and sealing lips 9 attached to it, the throughflow openings 6 in the sealing elements 4, 4 'being at least partially closable by a lifting movement of the carrier 8. According to an in Fig.
  • the sealing elements 4, 4 ' provided with through-flow openings 6 for sucking up dirt particles are attached to a vertically adjustable carrier 8', which as part of the shielding device 7 between a first functional position I for vacuuming smooth hard floor surfaces and a second functional position II is adjustable for vacuuming uneven hard floor surfaces and / or tile floors.
  • the nozzle body 1 has sealing lips 9 'arranged on the underside, which are adjacent to the vertically adjustable sealing elements 4, 4' and at least partially close the throughflow openings 6 of the sealing elements 4, 4 'when the carrier 8' is in the second functional position II .
  • the total free flow cross section of the throughflow openings 6 at each sealing element 4, 4 ' is less than 200 mm 2 and preferably less than 150 mm 2 when the shielding device is in the second functional position II and the suction nozzle is to be used for vacuuming tile floors and / or uneven hard floor surfaces.
  • the total free flow cross section of the throughflow openings 6 is smaller than the total free flow cross section which is assigned to the first functional position I of the shielding device 7.
  • the numerical parameters mentioned are to be regarded as realized when the air permeability of the arrangement consisting of the sealing element 4, 4 'and the shielding device 7 under the same test conditions corresponds to the air permeability of an opening with a cross section of less than 200 mm 2 , preferably less than 150 mm 2 .
  • An embodiment is advantageous such that the throughflow openings 6 of the sealing element 4 arranged in front of the suction mouth 2 in the working direction have a total free flow cross section between 20 mm 2 and 120 mm 2 when the shielding device is in the second functional position II for sucking uneven hard floor surfaces and / or Tile floors is located.
  • the rear sealing element 4 ′ in the suction direction is preferably designed accordingly.
  • the total free flow cross section of the throughflow openings 6 is preferably a factor of 1.5 to 3 larger.
  • the lateral suction chamber delimitations 5 contain an air inlet opening or end above the lower edge of the sealing elements 4, 4 '.
  • the lateral suction chamber delimitations 5 consist of an air-impermeable element and have a straight lower edge which is arranged 2 mm to 5 mm above the lower edge of the sealing elements 4, 4 '.
  • the air inlet openings at the ends of the suction mouth 2 are effective regardless of the functional position of the shielding device 7 acting on the throughflow openings 6 of the sealing elements 4, 4 '.
  • the functional position of the shielding device 7 has no effect on the air inlet openings at the ends of the suction mouth 2.
  • the suction mouth 2 of the suction nozzle has a width B measured transversely to the working direction between 200 mm and 300 mm, preferably a width between 200 mm and 260 mm.
  • the height of the suction space, measured from the lower edge of the sealing elements 4, 4 ', is at least 4 mm and a maximum of 4 mm and a maximum of at least 4 mm outside an opening area of the suction channel 3, at least in suction mouth sections that extend from one end of the suction mouth 2 over a length L of 60 mm 20 mm.
  • the distance a between the front sealing element 4 and the rear sealing element 4 ' is at least 15 mm and a maximum of 50 mm, preferably a maximum of 40 mm.
  • sealing elements 4, 4 ′ arranged in front of and behind the suction mouth 2 in the working direction are aligned parallel to one another and are arranged on the edge of the suction mouth 2.
  • Bristle strips with a dense bristle facing, strips of textile material and felt strips can be used as sealing elements 4, 4 '.
  • the suction channel 3 opens into the suction mouth on a side surface of the suction mouth 2 and adjoins the nozzle body 1 horizontally.
  • An angular tubular element 10 is connected to the suction channel 3 in a rotatable manner.
  • a suction pipe and / or a suction hose, which connects the suction nozzle to a suction device (not shown), can be connected to the pipe element 10.
  • the suction nozzle shown in the figures is suitable for vacuuming smooth hard floor surfaces as well as tiled floor surfaces and uneven hard floor surfaces, whereby the suction properties of the suction nozzle can be adapted by means of the shielding device 7, which influences the total free flow cross-section of the throughflow openings 6 on the sealing elements 4, 4 ' .
  • the suction nozzle can in particular be operated in combination with a suction device which has a suction fan with an electrical power consumption of less than 900 watts.

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

Claims (12)

  1. Suceur, destiné à aspirer des surfaces de sol dur, comprenant :
    un corps de suceur (1) qui sur sa face inférieure comporte une bouche aspirante (2) conçue sous la forme d'un creux et un canal d'aspiration (3) débouchant dans la bouche aspirante, pour faire dévier un flux d'air d'aspiration affluant dans la bouche aspirante (2) et
    des éléments d'étanchéité (4, 4') qui sont placés à l'avant et à l'arrière de la bouche aspirante (2) dans la direction de travail et qui débordent sur la face inférieure du corps de suceur (1),
    au moins l'élément d'étanchéité (4) placé à l'avant de la bouche aspirante (2) dans la direction de travail comportant des orifices de circulation (6) destinés à aspirer des particules de saleté,
    un dispositif formant écran (7) étant présent pour faire varier la section transversale d'écoulement libre des orifices de circulation (6), le dispositif formant écran (7) étant commutable au moyen d'un élément de commutation placé sur le corps de suceur (1) entre une première position fonctionnelle (I), destinée à aspirer des surfaces de sol dur lisses et une deuxième position fonctionnelle (II), destinée à aspirer des surfaces de sol dur inégales et/ou des sols carrelés, dans la deuxième position fonctionnelle (II), la section transversale d'écoulement totale des orifices de circulation (6) étant inférieure à 200 mm2, de préférence inférieure à 150 mm2 et étant plus petite que dans la première position fonctionnelle (I) ,
    caractérisé en ce que
    les orifices de circulation (6) de l'élément d'étanchéité (4) placés à l'avant de la bouche aspirante (2) dans la direction de travail présentent une section transversale d'écoulement totale comprise entre 20 mm2 et 120 mm2 lorsque le dispositif formant écran (7) se trouve dans la deuxième position fonctionnelle (II) destinée à aspirer des surfaces de sol dur inégales et/ou des surfaces carrelées.
  2. Suceur selon la revendication 1, caractérisé en ce que les éléments d'étanchéité (4, 4') placés à l'avant et à l'arrière de la bouche aspirante (2) dans la direction d'aspiration sont conçus sous la forme d'éléments d'étanchéité porteurs et comportent chacun des orifices de circulation (6) destinés à aspirer des particules de saleté, en ce que le dispositif formant écran (7) agit sur les deux éléments d'étanchéité (4, 4'), dans la deuxième position fonctionnelle (II), la section transversale d'écoulement totale libre des orifices de circulation (6) s'élevant sur chacun des deux éléments d'étanchéité (4, 4') à moins de 200 mm2, de préférence à moins de 150 mm2 et étant plus petite que la section transversale d'écoulement libre dans la première position fonctionnelle (I) du dispositif formant écran (7).
  3. Suceur selon l'une quelconque des revendications 1 à 2, caractérisé en ce que sur les extrémités de la bouche aspirante (2) sont placées des délimitations latérales de l'espace d'aspiration (5), qui chevauchent l'écart (a) entre l'élément d'étanchéité (4) avant et l'élément d'étanchéité (4') arrière.
  4. Suceur selon la revendication 3, caractérisé en ce que les délimitations de l'espace d'aspiration (5) contiennent un orifice d'entrée d'air ou pour délimiter un orifice d'entrée d'air situé côté sol, se terminent au-dessus de l'arête inférieure des éléments d'étanchéité (4, 4').
  5. Suceur selon la revendication 4, caractérisé en ce que les orifices d'entrées d'air sont actifs sur les extrémités de la bouche aspirante (2), nonobstant la position fonctionnelle du dispositif formant écran (7) agissant sur les orifices de circulation (6) de l'élément d'étanchéité (4).
  6. Suceur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le dispositif formant écran (7) comporte un support (8) ajustable à la verticale et des lèvres d'étanchéité (9) fixées sur celui-ci, les orifices de circulation (6) pouvant se fermer au moins partiellement par un mouvement de levage du support (7).
  7. Suceur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les éléments d'étanchéité (4, 4') munis des orifices de circulation (6) destinés à aspirer des particules de saleté sont fixés sur un support (8') ajustable à la verticale, lequel en tant que partie du dispositif formant écran (7) est ajustable entre une première position fonctionnelle (I) destinée à aspirer des surfaces de sol dur lisses et une deuxième position fonctionnelle (II) d'aspiration de surfaces de sol dur inégales et/ou de sols carrelés, et en ce que le corps de suceur (1) comporte des lèvres d'étanchéité (9') placées sur sa face inférieure, qui sont voisines des éléments d'étanchéité (4, 4') placés en étant ajustables à la verticale et qui ferment au moins partiellement les orifices de circulation (6) des éléments d'étanchéité (4, 4') lorsque le support (8') se trouve dans la deuxième position fonctionnelle (II).
  8. Suceur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le dispositif formant écran (7) comporte des baguettes d'étanchéité placées en étant déplaçables ou logées de manière à pouvoir pivoter, dont l'actionnement permet de fermer au moins partiellement les orifices de circulation (6) des éléments d'étanchéité (4, 4').
  9. Suceur selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les éléments d'étanchéité (4, 4') sont placés sur la bordure de la bouche aspirante (2) .
  10. Suceur selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les éléments d'étanchéité (4, 4') sont conçus sous la forme d'éléments d'étanchéité porteurs en forme de rubans.
  11. Suceur selon la revendication 10, caractérisé en ce que les éléments d'étanchéité (4, 4') sont conçues sous la forme de rubans de poils munis d'une garniture de poils dense ou sous la forme de rubans en matière textile ou sous la forme de rubans de feutre.
  12. Suceur selon la revendication 10 ou 11, caractérisé en ce que les éléments d'étanchéité (4, 4') en forme de rubans comportent des encoches du côté sol ou un profilé côté sol muni de creux.
EP16151819.6A 2015-01-29 2016-01-19 Buse d'aspiration pour surfaces dures Active EP3050475B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015101339.8A DE102015101339A1 (de) 2015-01-29 2015-01-29 Saugdüse zum Saugen von Hartbodenflächen

Publications (2)

Publication Number Publication Date
EP3050475A1 EP3050475A1 (fr) 2016-08-03
EP3050475B1 true EP3050475B1 (fr) 2020-11-18

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EP (1) EP3050475B1 (fr)
DE (1) DE102015101339A1 (fr)
HU (1) HUE053355T2 (fr)

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Publication number Priority date Publication date Assignee Title
DE102018100416A1 (de) * 2018-01-10 2019-07-11 Vorwerk & Co. Interholding Gmbh Saugdüse für einen Staubsauger und Staubsauger zur Reinigung eines Bodens
CN212996291U (zh) 2018-02-12 2021-04-20 宁波汇峰嘉福科技有限公司 一种地毯刷
DE102018211735A1 (de) * 2018-07-13 2020-01-16 BSH Hausgeräte GmbH Bodendüse für einen Staubsauger

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EP3050475A1 (fr) 2016-08-03
HUE053355T2 (hu) 2021-06-28
DE102015101339A1 (de) 2016-08-04

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