EP2937029B1 - Buse d'aspiration destinée à aspirer des sols lisses, notamment des sols dallés - Google Patents

Buse d'aspiration destinée à aspirer des sols lisses, notamment des sols dallés Download PDF

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Publication number
EP2937029B1
EP2937029B1 EP15161365.0A EP15161365A EP2937029B1 EP 2937029 B1 EP2937029 B1 EP 2937029B1 EP 15161365 A EP15161365 A EP 15161365A EP 2937029 B1 EP2937029 B1 EP 2937029B1
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EP
European Patent Office
Prior art keywords
suction
mouth
nozzle according
suction nozzle
sealing elements
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.)
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Application number
EP15161365.0A
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German (de)
English (en)
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EP2937029A1 (fr
Inventor
Horst Dipl. Ing. Dilger
Hans-Joachim Steudtner
Martin Zydek
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 of EP2937029A1 publication Critical patent/EP2937029A1/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
    • A47L9/0606—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads

Definitions

  • the invention relates to a suction nozzle for sucking smooth floors, in particular tiled floor surfaces.
  • the suction nozzle comprises a nozzle body having on its underside a suction mouth formed as a recess and a suction opening into the suction mouth for discharging a suction air flowing into the suction mouth and sealing elements, which are arranged in the working direction in front of and behind the suction mouth and on the underside of the nozzle body protrude.
  • lateral Saugraumbegrenzonne are arranged at the ends of the suction mouth, which bridge the distance between the front seal member and the rear seal member. The suction mouth, the sealing elements and the lateral Saugraumbegrenzonne limit a suction chamber on the underside of the nozzle body.
  • a suction nozzle with the features described is out EP 1 935 307 A2 and EP 0 397 112 A1 known.
  • the sealing elements arranged in front of and behind the suction mouth in the working direction consist of strips of sloping-pile suede, which are arranged on both sides of a rectangular mouth in the plan view and are aligned parallel to one another.
  • the nozzle body has a width measured transversely to the working direction of about 300 mm and in the embodiment measured in the working direction length of about 50 mm.
  • the nozzle body is supported on rollers, wherein a gap of 0.5 to 1.5 mm remains between the existing of Schrägborstenvelours Saugmundkanten and a flat bottom surface, to allow running over loose dirt particles.
  • the well-known suction nozzle can be used on textile coverings and smooth floors and is specially optimized for the absorption of fibrous contaminants.
  • suction devices are used in practice, which have a suction fan with an electrical power consumption of more than 1000 W.
  • Suction nozzles for cleaning floor surfaces are designed for high-performance suction units. If such a suction nozzle is operated with a suction device, which has a low-power suction fan, this leads to a significant deterioration of the suction properties of the nozzle. The deterioration of the suction properties is particularly pronounced when the suction nozzle is connected to a low-performance suction device and used for cleaning tiled floor surfaces.
  • Tiled floor surfaces are hard floors that are penetrated by joints.
  • the invention has for its object to provide a suction nozzle for sucking smooth floors, which has good suction properties on grouted hard floors when operating with a suction device, which has a suction fan with an electrical power consumption of less than 900 W., And especially dry, finely divided dirt particles absorbs well.
  • the object of the invention and solution of this problem is a suction nozzle according to claim 1.
  • the working width of the suction nozzle according to the invention is smaller than the working width of the known from practice suction nozzles for floor surfaces.
  • the suction chamber is sealed off circumferentially below the nozzle, wherein on the bottom side flow openings between the front seal member and a flat bottom surface or between the rear seal member and the bottom surface are each characterized by a small overall cross-section according to the feature d).
  • the bottom-side throughflow openings on the front sealing element and on the rear sealing element have substantially the same overall cross-section, so that a dust pickup is independent of whether the suction nozzle is moved with a forward movement or a backward movement over a flat bottom surface.
  • the entire cross section of the bottom-side flow-through openings results from the sum of gaps and / or small openings, which are preferably provided in the longitudinal direction of the sealing elements in a uniform distribution as possible.
  • sealing elements made of air-permeable materials for example in the form of bristle strips, are used, the feature a) is realized if the air permeability of the sealing element under the same test conditions of the air permeability of an opening, with a cross section of less than 200 mm 2 , preferably less than 150 mm 2 , corresponds.
  • the suction space below the nozzle is effectively sealed to the outside to maintain the Saugunterdruck, but without obstructing the suction of dirt particles too strong.
  • inventive values of feature d) take into account the fact that, when driving over grooved floor surfaces, air flows occur which are drawn in via the recesses of the joints and entrain dirt particles from the area of the joints and adjacent floor surface areas.
  • inventive design of the suction nozzle is also essential that by the features b) and c) the volume of the suction chamber at the bottom of the suction nozzle and the flow cross-section within the suction mouth is sufficiently small to a sufficient for the suction and the further transport of dirt particles flow rate to achieve.
  • the total cross section of the bottom-side throughflow openings on the underside of the front sealing element or on the underside of the rear sealing element preferably has a value between 20 mm 2 and 120 mm 2 .
  • the lateral Saugraumbegrenzonnegrenzonne therefore have an air inlet opening and / or ends above the level defined by the lower edge of the sealing elements.
  • the lateral boundaries preferably 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 may be formed in particular as a straight edge.
  • the suction mouth expediently has a rectangular base.
  • the depth of the suction mouth preferably decreases from the mouth region to the ends of the suction mouth which are adjacent to the suction space boundaries.
  • the change in the cross-sectional profile of the suction mouth 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 region of the suction channel.
  • the sealing elements arranged in front of and behind the suction mouth are expediently oriented parallel to one another and are preferably arranged on the edge of the suction mouth.
  • the sealing elements may consist of a bristle strip with a dense bristle trim.
  • a dense bristle set is present when the bristle strip in the side view is opaque and contains no gaps through which air can flow freely from the outside into the suction chamber.
  • the sealing elements may consist of strips of textile material or felt.
  • the strip-shaped sealing elements have a width of less than 20 mm and preferably a width of 5 to 15 mm.
  • strip-shaped plastic elements As sealing elements in the working direction in front of and behind the suction mouth are also suitable strip-shaped plastic elements, which are preferably made of an elastomeric plastic and curved arcuately in a movement of the suction nozzle on a bottom surface in cross section.
  • the strip-shaped plastic elements may have on their outer surface ribs which rest on a movement of the suction nozzle on the bottom surface, so that an air gap between the plastic strip and the bottom surface is formed.
  • the air gap geometry must be determined such that the total cross section of the flow-through opening per sealing element is less than 200 mm 2 and preferably less than 150 mm 2 .
  • the suction channel opens into a side surface of the suction mouth in the suction mouth and connects horizontally to the nozzle body.
  • the suction channel may be rotatably connected to an angular tubular element.
  • the suction nozzle according to the invention enables effective suction of tiled floor surfaces and is adapted to suction devices, which have a low-power suction fan.
  • the invention is therefore also the use of the described suction nozzle for sucking tiled floor surfaces with the proviso that at the suction channel, a suction device is connected, which has a suction fan with an electrical power consumption of less than 900 W.
  • the suction nozzle shown in the figures has a nozzle body 1, which has on its underside a suction mouth formed as a recess 2 and a centrally opening into the suction mouth 2 suction channel for discharging a suction air stream flowing into the suction 2.
  • the nozzle body 1 is equipped with sealing elements 4, 4 ', which are arranged in front of and behind the suction mouth 2 in the working direction and protrude on the underside of the nozzle body 1.
  • 2 lateral Saugraumbegrenzonne 5 are arranged at the ends of the suction mouth, which bridge the distance between the front seal member 4 and the rear seal member 4 '.
  • the sealing elements 4, 4 'and the lateral Saugraumbegrenzonne 5 limit a suction chamber 6 at the bottom of the nozzle body.
  • the suction mouth 2 has a width B measured transversely to the working direction between 200 mm and 280 mm, preferably a width B between 200 mm and 260 mm.
  • the measured from the lower edge of the sealing elements 4, 4 'height H of the suction chamber 6 is outside of an orifice region 7 of the suction channel 3 at least in end suction openings L, each extending from one end of the suction mouth 2, over a length of 60 mm, at least 4 mm and a maximum of 20 mm.
  • the distance x 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.
  • the sum of the bottom-side through-flow openings 8 between the front sealing element 4 and the flat bottom surface 9 and the sum of the bottom-side throughflow openings 8 'between the rear sealing element 4' and the flat bottom surface 9 per sealing element each have a total cross section of less than 200 mm 2, and preferably less than 150 mm 2 . It is particularly advantageous if the flow openings 8, 8 are dimensioned 'to the front seal member 4 and at the rear seal member 4' is substantially the same and are each less than 150 mm 2.
  • the numerical parameter is considered to be realizable, if the air permeability of the sealing element under the same test conditions of air permeability of an opening with a cross section of less than 200 mm 2 , preferably less as 150 mm 2 , corresponds.
  • An embodiment is advantageous in that the total cross section of the bottom-side throughflow openings 8 at the underside of the front sealing element 4 is between 20 mm 2 and 120 mm 2 and that also the total cross section of the bottom side flow openings 8 'at the bottom of the rear sealing element 4' has a value between 20 mm 2 and 120 mm 2 .
  • the lateral Saugraumbegrenzonnegrenzonne 5 include an air inlet opening or end above the lower edge of the sealing elements 4, 4 '.
  • the lateral Saugraumbegrenzonne of an air-impermeable element and have a straight lower edge, which is 2 mm to 5 mm above the lower edge of the sealing elements 4, 4 'is arranged.
  • the suction mouth 2 of the suction nozzle shown in the figures has a rectangular base.
  • the height profile is chosen so that sets an approximately constant flow velocity at least within the end-side suction mouth L sections.
  • the sealing elements 4, 4 'arranged in front of and behind the suction mouth 2 are aligned parallel to one another and arranged on the edge of the suction mouth 2.
  • sealing elements bristle strips with a dense bristle trim strips of textile material and felt strips can be used.
  • the sealing elements 4, 4 'consist of felt strips which have a width of less than 20 mm and preferably a width of 5 to 15 mm.
  • the sealing elements 4, 4 ' also consist of strip-shaped plastic elements, which for example consist of an elastomeric plastic and have ribs on their outer surface, which rest on a movement of the suction nozzle on the bottom surface, so that an air gap between the plastic strip and the bottom surface formed.
  • the suction channel 3 opens on a side surface 10 of the suction mouth 2 into the suction mouth 2 and connects horizontally to the nozzle body 1.
  • An angular tubular element 11 is rotatably connected to the suction channel 3.
  • a suction pipe and / or a suction hose can be connected, which connects the suction nozzle with a suction device, not shown.
  • the suction nozzle shown in the figures is suitable for sucking tiled floor surfaces and can be operated in combination with a suction device which has a suction fan with an electrical power consumption of less than 900 W.

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

Claims (17)

  1. Buse d'aspiration pour aspirer des sols lisses, notamment des surfaces de sol carrelées, avec
    un corps de buse (1), qui comporte sur sa face inférieure une embouchure d'aspiration (2) constituée comme une cavité et un conduit d'aspiration (3) débouchant dans l'embouchure d'aspiration (2) pour dériver un flux d'air d'aspiration affluant dans l'embouchure d'aspiration (2),
    des éléments d'étanchéité (4, 4'), qui sont disposés dans le sens du travail à l'avant et à l'arrière de l'embouchure d'aspiration (2) et font saillie sur la face inférieure du corps de buse (1), et
    des délimitations latérales d'espace d'aspiration (5) aux extrémités de l'embouchure d'aspiration (2), qui relient la distance (x) entre l'élément d'étanchéité avant (4) et l'élément d'étanchéité arrière (4'),
    l'embouchure d'aspiration (2), les éléments d'étanchéité (4, 4') et les délimitations latérales d'espace d'aspiration (5) limitant un espace d'aspiration (6) sur la face inférieure du corps de buse (1), caractérisée en ce que
    l'embouchure d'aspiration (2) comporte une largeur (B), entre 200 mm et 280 mm, mesurée transversalement au sens de travail,
    la hauteur (H) de l'espace d'aspiration (6) mesurée du bord inférieur des éléments d'étanchéité (4, 4') jusqu'à la surface intérieure de la cavité est au minimum de 4 mm et au maximum de 20 mm, en dehors d'une zone d'embouchure (7) du conduit d'aspiration (3), au moins dans les sections d'embouchure d'aspiration d'extrémité (L), qui s'étendent respectivement d'une extrémité de l'embouchure d'aspiration (2) en sortant sur une longueur de 60 mm,
    la distance entre l'élément d'étanchéité avant (4) et l'élément d'étanchéité arrière (4') est au minimum de 15 mm et au maximum de 50 mm, et
    les ouvertures de traversée côté sol (8, 8') entre l'élément d'étanchéité avant (4) et une surface de sol plane (9) et les ouvertures de traversée côté sol (8') entre l'élément de traversée arrière (4') et une surface de sol plan (9) comportent sur chaque élément d'étanchéité respectivement une section transversale totale inférieure à 200 mm2, de préférence inférieure à 150 mm2.
  2. Buse d'aspiration selon la revendication 1, caractérisée en ce que la section transversale totale des ouvertures de traversée du côté sol (8, 8') est respectivement entre 20 mm2 et 120 mm2 sur la face inférieure de l'élément d'étanchéité avant (4) et sur la face inférieure de l'élément d'étanchéité arrière (4').
  3. Buse d'aspiration selon la revendication 1 ou 2, caractérisée en ce que les délimitations latérales d'espace d'aspiration (5) contiennent une ouverture d'entrée d'air et/ou se terminent au-dessus du bord inférieur des éléments d'étanchéité (4, 4').
  4. Buse d'aspiration selon la revendication 3, caractérisée en ce que les délimitations latérales d'espace d'aspiration (5) sont composées d'un élément étanche à l'air et comportent un bord inférieur de préférence droit, qui est disposé 2 mm à 5 mm au-dessus du bord inférieur des éléments d'étanchéité (4, 4').
  5. Buse d'aspiration selon l'une quelconque des revendications 1 à 4, caractérisée en ce que l'embouchure d'aspiration (2) comporte une surface de base rectangulaire.
  6. Buse d'aspiration selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la profondeur de l'embouchure d'aspiration (2) diminue depuis la zone d'embouchure (7) du conduit d'aspiration (3) jusqu'aux extrémités de l'embouchure d'aspiration, voisines des délimitations latérales de l'espace d'aspiration (5).
  7. Buse d'aspiration selon l'une quelconque des revendications 1 à 6, caractérisée en ce que les éléments d'étanchéité (4, 4') disposés dans le sens du travail devant et derrière l'embouchure d'aspiration (2) sont disposés parallèlement.
  8. Buse d'aspiration selon l'une quelconque des revendications 1 à 7, caractérisée en ce que les éléments d'étanchéité (4, 4') sont disposés sur la bordure de l'embouchure d'aspiration (2).
  9. Buse d'aspiration selon l'une quelconque des revendications 1 à 8, caractérisée en ce que les éléments d'étanchéité (4, 4') sont composés d'une rangée de soies avec une garniture de soies compacte.
  10. Buse d'aspiration selon l'une quelconque des revendications 1 à 8, caractérisée en ce que les éléments d'étanchéité (4, 4') sont composés de bandes de matériau textile.
  11. Buse d'aspiration selon l'une quelconque des revendications 1 à 8, caractérisée en ce que les éléments d'étanchéité (4, 4') sont composés de bandes de feutre.
  12. Buse d'aspiration selon l'une quelconque des revendications 9 à 11, caractérisée en ce que les éléments d'étanchéité (4, 4') en forme de bande comportent une largeur inférieure à 20 mm, de préférence une largeur de 5 à 15 mm.
  13. Buse d'aspiration selon l'une quelconque des revendications 1 à 8, caractérisée en ce que les éléments d'étanchéité (4, 4') sont constitués en forme de bandes et sont de préférence composés d'une matière plastique élastomère.
  14. Buse d'aspiration selon la revendication 13, caractérisée en ce que les éléments en plastique en forme de bandes comportent des nervures sur leur surface extérieure qui reposent sur la surface du sol lors d'un déplacement de la buse d'aspiration de telle manière qu'il se forme un espace d'air entre l'élément en plastique et la surface du sol.
  15. Buse d'aspiration selon l'une quelconque des revendications 1 à 14, caractérisée en ce que le conduit d'aspiration (3) débouche dans l'embouchure d'aspiration (2) sur une surface latérale (10) de l'embouchure d'aspiration (2).
  16. Buse d'aspiration selon la revendication 15, caractérisée en ce que le conduit d'aspiration (3) se raccorde horizontalement au corps de buse (1) et en ce qu'un élément tubulaire angulaire (11) est relié mobile en rotation au conduit d'aspiration (3).
  17. Utilisation d'une buse d'aspiration selon l'une quelconque des revendications 1 à 16 pour aspirer des surfaces de sol carrelées à condition qu'un aspirateur soit raccordé au conduit d'aspiration (3), qui comporte un ventilateur aspirant avec une consommation de puissance électrique inférieure à 900 W.
EP15161365.0A 2014-04-24 2015-03-27 Buse d'aspiration destinée à aspirer des sols lisses, notamment des sols dallés Active EP2937029B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014105809.7A DE102014105809A1 (de) 2014-04-24 2014-04-24 Saugdüse zum Saugen von Glattböden, insbesondere von gefliesten Bodenflächen

Publications (2)

Publication Number Publication Date
EP2937029A1 EP2937029A1 (fr) 2015-10-28
EP2937029B1 true EP2937029B1 (fr) 2017-05-10

Family

ID=52780905

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EP15161365.0A Active EP2937029B1 (fr) 2014-04-24 2015-03-27 Buse d'aspiration destinée à aspirer des sols lisses, notamment des sols dallés

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Country Link
EP (1) EP2937029B1 (fr)
CN (1) CN105030154B (fr)
DE (1) DE102014105809A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017115299A1 (de) 2017-07-07 2019-01-10 Wessel-Werk Gmbh Glattbodenstaubsaugerdüse
DE202024001703U1 (de) 2024-09-06 2024-09-23 Christine Brüning Hohlkörper-Reinigungsgerät mit Ultraschallsteuerung und UV-C emittierenden Glasfaserborsten

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3345523B1 (fr) * 2017-01-10 2023-09-13 Miele & Cie. KG Buse de sol pour aspirateur et aspirateur
DE102017115523A1 (de) 2017-01-10 2018-07-12 Miele & Cie. Kg Bodendüse für Staubsauger und Staubsauger
CN108606718A (zh) * 2018-07-17 2018-10-02 杨栋雨 一种家庭地毯用吸尘器
CN116269030A (zh) * 2022-12-30 2023-06-23 浙江百世技术有限公司 一种冷链仓储监控系统

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NL103926C (fr) * 1958-11-03
US5063635A (en) * 1989-05-08 1991-11-12 Matsushita Electric Industrial Co., Ltd. Suction head for attachment to a vacuum cleaner
US5659923A (en) * 1996-04-08 1997-08-26 Pro-Team, Inc. Vaccum cleaner floor tool
FR2823966B1 (fr) * 2001-04-25 2004-07-09 Aldes Aeraulique Embout pour aspirateur
DE102006060855B4 (de) 2006-12-22 2013-08-01 Wessel-Werk Gmbh Bodendüse für Staubsauger
CN201200377Y (zh) * 2008-03-19 2009-03-04 马卫宏 吸尘器地刷

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017115299A1 (de) 2017-07-07 2019-01-10 Wessel-Werk Gmbh Glattbodenstaubsaugerdüse
DE202024001703U1 (de) 2024-09-06 2024-09-23 Christine Brüning Hohlkörper-Reinigungsgerät mit Ultraschallsteuerung und UV-C emittierenden Glasfaserborsten

Also Published As

Publication number Publication date
CN105030154B (zh) 2018-06-19
DE102014105809A1 (de) 2015-10-29
EP2937029A1 (fr) 2015-10-28
CN105030154A (zh) 2015-11-11

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