EP3047775B1 - Semelle en matiere synthetique pour une buse d'aspirateur - Google Patents

Semelle en matiere synthetique pour une buse d'aspirateur Download PDF

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Publication number
EP3047775B1
EP3047775B1 EP16151171.2A EP16151171A EP3047775B1 EP 3047775 B1 EP3047775 B1 EP 3047775B1 EP 16151171 A EP16151171 A EP 16151171A EP 3047775 B1 EP3047775 B1 EP 3047775B1
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EP
European Patent Office
Prior art keywords
suction mouth
sliding sole
edge
suction
sliding
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
EP16151171.2A
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German (de)
English (en)
Other versions
EP3047775A1 (fr
Inventor
Horst Dilger
Hans-Joachim Steudtner
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
Application filed by Wessel Werk GmbH filed Critical Wessel Werk GmbH
Publication of EP3047775A1 publication Critical patent/EP3047775A1/fr
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Publication of EP3047775B1 publication Critical patent/EP3047775B1/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

Definitions

  • the invention relates to a plastic sliding sole for a vacuum cleaner nozzle with a molded on its underside suction mouth, which is bounded by a front and a rear suction mouth, a Aufgleitschräge in the working direction in front of the suction mouth, an inclined sliding surface in the working direction behind the suction mouth and one in the suction mouth opening suction port.
  • a sliding sole according to the preamble of claim 1 is made, for example EP-A-2433538 known.
  • the sliding sole is intended for a bottom suction nozzle and in particular suitable for a bottom suction nozzle, which has a nozzle body with at least one roller and a pivotably mounted on the nozzle body suction head.
  • the nozzle body has at its end remote from the suction head on a pivotally mounted suction pipe connection piece.
  • the pivot axis of the Saugrohran gleich Swisses and the pivot axis between the suction head and the nozzle body form two hinge axes.
  • Such a floor nozzle is therefore also referred to as a "double-joint nozzle”.
  • the sliding sole is part of the suction head. Due to the pivotable mounting of the suction head, the sliding sole can adapt to the ground surface during a movement of the floor nozzle via a floor surface to be cleaned and is not exposed to the forces which are transmitted to the nozzle body by means of a manually moving suction pipe.
  • a sliding sole with the features described above is known from practice.
  • the sliding sole When vacuuming textile floor surfaces, the sliding sole lies on the floor surface and is moved alternately with forward and backward movements over the textile floor surface.
  • the sole has to meet a number of requirements. If the sliding sole is part of a double-jointed nozzle, it must be ensured that the sliding sole contributes Forward and backward movements always rest flat on the floor surface and do not tilt during variable forward and backward movements. The sliding sole should therefore have a low sliding resistance. To achieve good suction properties, it is also necessary that the suction mouth edges seal the suction mouth on the bottom side and can therefore build up in the suction mouth over the entire working width of the sole an effective suction vacuum.
  • the suction mouth and the Saugmundbegrenzung must be designed so that the sucked air flow flows around the Saugmundkanten with a high air velocity, so that dust is released from the carpet pile and entrained by the air flow.
  • the effective for the dust absorption edges of the suction mouth must be immersed over the entire working width in the carpet pile.
  • immersion of the suction mouth edges in the carpet causes the sliding resistance to increase at the suction mouth edges and to cause tilting moments on the sliding sole when the floor nozzle moves.
  • the suction properties should be uniform over the entire working width of the suction mouth.
  • a good Randabsaugung is required when the suction nozzle is moved, for example, on baseboards or furniture along.
  • the present invention seeks to provide a plastic sole for a vacuum cleaner nozzle that effectively absorbs dirt on textile floor surfaces over their entire working width and has good sliding properties.
  • the object of the invention and solution of this problem is a sliding sole made of plastic according to claim 1.
  • the sliding sole is made of plastic and can be manufactured in particular as an injection molded part with tight manufacturing tolerances.
  • the sliding sole has the features described above.
  • the front suction mouth edge extends without interruption over the entire working width of the soleplate and delimits at both ends of the suction mouth an edge section of the treadmill designed for edge suction.
  • a horizontal plateau is arranged, which extends at the level of the front suction mouth edge over the entire length of the front suction mouth edge parallel thereto.
  • the front suction mouth edge and the plateau adjoining the front suction mouth edge form a boundary of the suction mouth which determines the suction properties and extends over the entire working width of the suction mouth without interruption.
  • the horizontal plateau arranged between the front slanted slope and the front suction mouth edge forms an effective seal of the suction mouth on the bottom surface, which ensures that the aspirated air enters the suction mouth at a high flow velocity. Dust, which is released by the air flow from the textile pile of the bottom surface, passes through the airflow flowing around the horizontal plateau into the suction mouth. Since the sliding sole can be produced as a plastic injection-molded part with low manufacturing tolerances, the horizontal plateau over the entire working width of the sole has a defined and preferably constant width.
  • the horizontal plateau adjoining the suction mouth edge also improves the sliding properties of the sliding sole on textile floor surfaces.
  • the plateau contributes to that front suction mouth edge does not dig into the textile pile during a forward movement of the sliding sole over a textile floor covering.
  • the invention provided between the front Saugmundkante and the Aufgleitschräge horizontal plateau reduced in a forward movement of the sliding sole the sliding resistance at the front Saugmundkante and helps that no tilting moments are exerted on the soleplate in a movement of the soleplate over a floor surface to be cleaned.
  • the embodiment of the invention combines good suction properties by an effective over the entire working width of the sliding sole seal of Saugmundes opposite the bottom surface and a low sliding resistance in a movement of the sliding sole on a textile floor surface to be cleaned.
  • the soleplate is particularly suitable for floor nozzles, which are designed in the manner described above as a double-jointed nozzles.
  • the front suction mouth edge is formed in a plan view of the sliding sole as a straight edge and extending to the front suction mouth edge adjacent horizontal plateau with a constant width parallel to the front suction mouth edge. This is preferably formed sharp-edged.
  • the horizontal plateau provided between the front suction mouth edge and the front slide slope may have a width between 2 mm and 5 mm.
  • the Aufgleitschräge according to the invention has an inclination between 5 ° and 7 ° or is formed as a spherically shaped surface, for example with a radius of 50 to 200 mm.
  • the Aufgleitschräge on a plateau adjacent recess for a thread lifter strip Loose threads that adhere to the thread lifter strip, are from the horizontal air flow around the plateau is detected and reaches the suction mouth with the flow of air.
  • the depression is formed in the Aufgleitschräge and adjacent directly to the plateau.
  • depressions for receiving thread lifting strips are provided on both sides of the suction mouth.
  • the rear suction mouth edge is preferably also sharp-edged. It extends without interruption over the entire working width of the sole and limited at both ends of the suction mouth designed for Randabsaugung end portion of the suction.
  • the suction mouth has a central suction mouth section delimited by parallel suction mouth edges and adjoining tapered end sections, wherein the rear suction mouth edge is aligned in the end sections at an angle to the front suction mouth edge.
  • the middle suction mouth section expediently extends over more than 30% and preferably over at least 60% of the working width of the sliding sole.
  • the end sections of the suction mouth can be open at the ends for edge suction. However, an end opening is not absolutely necessary.
  • the end portions have a smaller channel depth than the middle suction mouth portion.
  • the channel depth can change continuously starting from a central suction opening, wherein an inclination of the channel bottom can extend into the end sections of the suction mouth. Within the end sections, the channel depth can then change stepwise.
  • the suction air which enters the suction mouth in the suction mouth, flows to the opening into the suction mouth intake.
  • the suction opening is in particular centrally between the two ends of the Suction mouth arranged.
  • the sides of the suction mouth adjacent to each other are then expediently symmetrical.
  • the geometry and the channel depth of the suction mouth in the end sections are selected such that a sufficiently high flow velocity is established even in the end sections.
  • the channel forming the suction mouth has an undercut in the flow cross section along the rear suction mouth edge.
  • the channel walls adjoining the suction mouth in cross section preferably extend parallel, so that the channel cross section has the shape of a parallelogram.
  • the sliding sole shown in the figures is made of plastic and can be manufactured in one piece as a plastic injection molded part with small dimensional tolerances.
  • the sliding sole is for a vacuum cleaner nozzle for cleaning Floor areas determined. It has a molded on its underside suction mouth 1, which is bounded by a front suction mouth edge 2 and a rear suction mouth edge 3.
  • the suction mouth edges form sharp edges.
  • a Aufgleitschräge 4 is provided in the working direction behind the suction mouth 1 .
  • an inclined sliding surface 5 In the suction mouth 1 opens a suction port 6. This is formed as a window with a rectangular base and is located centrally between the ends of the suction mouth 1.
  • depressions 7 are arranged, are inserted into the thread lifter strip 8.
  • the thread lifter strip 8 suitably close to the ground flush with the surfaces of the Aufgleitschräge 4 and the sliding surface 5 at.
  • Fig. 1 extends the front suction mouth edge 2 without interruption as a straight edge over the entire working width A of the sole and limited at both ends of the suction mouth 1 designed for Randabsaugung end portion of the suction mouth 1.
  • a horizontal plateau. 9 arranged, which extends at the level of the front suction mouth edge 2 with a constant width b over the entire length of the front suction mouth edge 2 parallel thereto.
  • the plateau 9 has a width b between 2 mm and 5 mm.
  • the recess 7 for a thread lifter strip 8 is formed in the Aufgleitschräge 4 and adjacent to the plateau 9 directly.
  • the Aufgleitschräge 4 has an inclination between 5 ° and 7 °. Alternatively, it may also be formed as a spherically shaped surface.
  • the rear suction mouth edge 3 also extends without interruption over the entire working width A of the sole and limited at both ends of the suction mouth 1 designed for Randabsaugung end portion of the suction mouth 1.
  • the arranged behind the suction mouth 1 in the working direction Sliding surface 5 in the exemplary embodiment has an inclination angle of approximately 6 ° and directly adjoins the rear suction mouth edge 3.
  • the suction mouth 1 has a central suction mouth section delimiting from parallel suction mouth edges 2, 3 and adjoining tapered end sections.
  • the rear suction mouth edge 3 is aligned obliquely to the front suction mouth edge 2 in plan view.
  • the middle suction mouth section in which the front suction mouth edge 2 and the rear suction mouth edge 3 are aligned parallel to one another, extends over more than 30% and preferably at least 60% of the working width of the sliding sole.
  • the channel depth a of the suction mouth 1 is less in the end portions than in the central suction mouth portion and changes continuously in a first region on both sides of the suction opening 6.
  • the suction mouth 1 has a channel bottom 13, which is inclined in the first region on both sides of the suction opening 6.
  • the inclination of the channel bottom 3 extends into the end portions of the suction mouth.
  • the channel depth a can change stepwise.
  • the stage 14 inside the suction mouth is in Fig. 1 shown and also results from a comparative consideration of the sectional views in the 3 and 4 ,
  • the channel forming the suction mouth 1 has an undercut 10 in the flow cross section along the rear suction mouth edge.
  • the channel walls 11, 12 along the front suction mouth edge 2 and the rear suction mouth edge 3 may extend parallel to one another, so that the channel forming the suction mouth 1 has the shape of a parallelogram in cross section.

Landscapes

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

Claims (10)

  1. Semelle de glissement en matière plastique, destinée à un suceur d'aspirateur, pourvue
    d'une bouche d'aspiration (1) moulée dans sa face inférieure, qui est délimitée par une arête de bouche d'aspiration (2, 3) antérieure et postérieure,
    d'une oblique de glissement (4) à l'avant de la bouche d'aspiration (1), dans la direction de travail
    d'une surface de glissement (5) inclinée, à l'arrière de la bouche d'aspiration (1), dans la direction de travail
    d'un orifice d'aspiration (6) débouchant dans la bouche d'aspiration (1)
    l'arête antérieure de la bouche d'aspiration (2) s'étendant sans interruption sous toute la largeur de travail (A) de la semelle de glissement et sur les deux extrémités de la bouche d'aspiration (1), délimitant un segment d'extrémité de la bouche d'aspiration (1) conçu pour l'aspiration des bords, et entre l'oblique de glissement (4) antérieure et l'arête antérieure de la bouche d'aspiration (2) étant placé un plateau (9) horizontal, qui sur le niveau de l'arête antérieure de la bouche d'aspiration (2) s'étend sur toute la longueur de l'arête antérieure de la bouche d'aspiration (2), à la parallèle de cette dernière, caractérisée en ce que l'oblique de glissement (4) présente une inclinaison comprise entre 5° et 7° ou est conçue sous la forme d'une surface bombée.
  2. Semelle de glissement selon la revendication 1, caractérisée en ce que, vue en élévation sur la semelle de glissement, l'arête antérieure de la bouche d'aspiration (2) est conçue sous la forme d'une arête droite et en ce que le plateau (9) horizontal adjacent à l'arête de la bouche d'aspiration s'étend sur une largeur constante à la parallèle de l'arête antérieure de la bouche d'aspiration (2).
  3. Semelle de glissement selon la revendication 1 ou 2, caractérisée en ce que le plateau (9) présente une largeur comprise entre 2 mm et 5 mm.
  4. Semelle de glissement selon l'une quelconque des revendications 1 à 3, caractérisée en ce que l'oblique de glissement (4) comporte un creux adjacent au plateau (9), destiné à un ruban ramasse-fil (8).
  5. Semelle de glissement selon l'une quelconque des revendications 1 à 4, caractérisée en ce que de part et d'autre de la bouche d'aspiration (1) sont prévus des creux (7) destinés à recevoir des rubans ramasse-fil (8) .
  6. Semelle de glissement selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'arête de la bouche d'aspiration (3) s'étend sans interruption sur toute la largeur de travail (A) de la semelle de glissement et sur les deux extrémités de la bouche d'aspiration (1), délimite un segment d'extrémité de la bouche d'aspiration (1) conçu pour l'aspiration des bords.
  7. Semelle de glissement selon l'une quelconque des revendications 1 à 6, caractérisée en ce que la bouche d'aspiration (1) comporte un segment central de bouche d'aspiration délimité par des arêtes de bouche d'aspiration (2, 3) parallèles et des segments d'extrémité se rétrécissant qui s'y raccordent, vue en élévation dans les segments d'extrémité, l'arête postérieure de la bouche d'aspiration (3) étant orientée en oblique par rapport à l'arête antérieure de la bouche d'aspiration (2).
  8. Semelle de glissement selon la revendication 7, caractérisée en ce que le segment central de bouche d'aspiration s'étend sur plus de 30 % et de préférence, sur plus de 60 % de la largeur de travail de la semelle de glissement.
  9. Semelle de glissement selon la revendication 7 ou 8, caractérisée en ce que les segments d'extrémité de la bouche d'aspiration présentent une profondeur de canal (a) inférieure à celle du segment central de la bouche d'aspiration.
  10. Semelle de glissement selon l'une quelconque des revendications 1 à 9, caractérisée en ce que dans la section transversale d'écoulement, le canal formant la bouche d'aspiration (1) comporte une contre-dépouille (10) le long de l'arête postérieure de la bouche d'aspiration (3).
EP16151171.2A 2015-01-23 2016-01-14 Semelle en matiere synthetique pour une buse d'aspirateur Active EP3047775B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015101019.4A DE102015101019A1 (de) 2015-01-23 2015-01-23 Gleitsohle aus Kunststoff für eine Staubsaugerdüse

Publications (2)

Publication Number Publication Date
EP3047775A1 EP3047775A1 (fr) 2016-07-27
EP3047775B1 true EP3047775B1 (fr) 2018-12-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16151171.2A Active EP3047775B1 (fr) 2015-01-23 2016-01-14 Semelle en matiere synthetique pour une buse d'aspirateur

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EP (1) EP3047775B1 (fr)
DE (1) DE102015101019A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3760091A1 (fr) 2019-07-02 2021-01-06 Miele & Cie. KG Semelle de crosse, buse d'aspirateur et aspirateur
US11564544B2 (en) 2020-01-28 2023-01-31 New Ermes Europe S.R.L. Adapter device for a cordless electric vacuum cleaner

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3257417B1 (fr) 2016-06-14 2023-06-14 Wessel-Werk GmbH Buse d'aspirateur
EP3366179B1 (fr) * 2017-02-23 2019-07-24 Wessel-Werk GmbH Buse statique d'aspirateur
US11224319B2 (en) 2017-12-11 2022-01-18 New Ermes Europe S.R.L. Base plate for a vacuum cleaner suction head for the suction of fine dust and large debris
JP1641037S (fr) 2018-09-18 2019-09-09
EP3639715B1 (fr) * 2018-10-15 2023-04-19 Wessel-Werk GmbH Buse de sol pour un aspirateur
DE102018126367A1 (de) * 2018-10-23 2020-04-23 Wessel-Werk Gmbh Staubsaugerbodendüse
USD953673S1 (en) 2020-02-17 2022-05-31 New Ermes Europe S.R.L. Head of a vacuum cleaner
FR3138289A1 (fr) * 2022-07-29 2024-02-02 Seb S.A. Tête d’aspiration comprenant une semelle équipée d’une surface de glissement avant courbée

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH627637A5 (en) * 1978-05-03 1982-01-29 Hans Wessel Sliding base for vacuum-cleaner nozzles
DE10105371A1 (de) * 2001-02-06 2002-08-14 Wessel Werk Gmbh Saugkopf für Haushalts-Bodenstaubsauger
DE102007009958B4 (de) * 2007-03-01 2013-08-01 Wessel-Werk Gmbh Blechgleitsohle sowie Verfahren zu deren Auslegung
FR2965165B1 (fr) * 2010-09-24 2013-07-12 Seb Sa Regles de grattage de suceur d'aspirateur
DE102011081838A1 (de) * 2010-11-05 2012-05-10 BSH Bosch und Siemens Hausgeräte GmbH Saugdüse, Verfahren zu deren Herstellung und damit ausgestatteter Staubsauger

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3760091A1 (fr) 2019-07-02 2021-01-06 Miele & Cie. KG Semelle de crosse, buse d'aspirateur et aspirateur
US11564544B2 (en) 2020-01-28 2023-01-31 New Ermes Europe S.R.L. Adapter device for a cordless electric vacuum cleaner

Also Published As

Publication number Publication date
EP3047775A1 (fr) 2016-07-27
DE102015101019A1 (de) 2016-07-28

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