EP3488752B1 - Suceur pour un aspirateur - Google Patents

Suceur pour un aspirateur Download PDF

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Publication number
EP3488752B1
EP3488752B1 EP17203366.4A EP17203366A EP3488752B1 EP 3488752 B1 EP3488752 B1 EP 3488752B1 EP 17203366 A EP17203366 A EP 17203366A EP 3488752 B1 EP3488752 B1 EP 3488752B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
floor nozzle
superelevation
nozzle according
cleaner floor
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
EP17203366.4A
Other languages
German (de)
English (en)
Other versions
EP3488752A1 (fr
Inventor
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
Original Assignee
Wessel Werk GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wessel Werk GmbH filed Critical Wessel Werk GmbH
Priority to EP17203366.4A priority Critical patent/EP3488752B1/fr
Publication of EP3488752A1 publication Critical patent/EP3488752A1/fr
Application granted granted Critical
Publication of EP3488752B1 publication Critical patent/EP3488752B1/fr
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Anticipated expiration legal-status Critical

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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 vacuum cleaner floor nozzle, in particular a static vacuum cleaner floor nozzle with a housing and a sliding base arranged on the underside of the housing.
  • a suction mouth is arranged in the sliding sole, which extends in a transverse direction and which is delimited by a border.
  • the sliding sole has a flat area in front of and / or behind the suction mouth in a working direction perpendicular to the transverse direction.
  • Vacuum cleaner floor nozzles are designed for use with vacuum cleaners.
  • the cleaning principle is based on the fact that a fan generates a suction air flow in the vacuum cleaner with which dirt particles are drawn off from surfaces to be cleaned, in particular floor surfaces.
  • the vacuum cleaner has a dirt collecting device in which the dirt particles are separated from the suction air flow and collected.
  • filter bag arrangements and cyclone separators are common.
  • a suction air duct which guides the suction air flow into the dirt collecting space.
  • vacuum cleaner floor nozzles with the generic features are known.
  • the sliding sole on the underside faces a floor surface to be cleaned during the cleaning operation.
  • the sliding sole can rest directly on the floor surface during operation on permeable floor coverings such as carpets.
  • suspension means for example bristle strips, Support rollers and the like is held at a small distance from the floor surface.
  • the minimum distance between the sliding sole and the floor surface to be cleaned in smooth floor operation is usually at least 2 mm.
  • the invention is based on the object of specifying a vacuum cleaner floor nozzle with favorable cleaning properties, in which at the same time protection of the floor covering to be cleaned is achieved and which is easy to handle.
  • the invention Based on the generic vacuum cleaner floor nozzle, the invention provides that the sliding sole between the flat area and the suction mouth has a cant continuously adjoining the flat area, which protrudes downward beyond the extension of the flat area. Due to the continuous transition, the sliding sole can easily slide over uneven floors and obstacles onto the floor to be cleaned, in particular coarse dirt particles.
  • the cant forms an integral part of the sliding sole and is seamlessly integrated into it.
  • the elevation has a height of less than 2 mm, in particular less than 1.5 mm. Such a slight surge is sufficient to generate a flow acceleration effective for cleaning in the area of the suction mouth edge adjacent to the elevation. At the same time, the overhang is small enough to allow safe sliding in connection with obstacles.
  • the height of the elevation is expediently at least 0.5 mm, in particular at least 1 mm.
  • the elevation has a width of less than 3 mm, in particular less than 2 mm. Larger peaks form too large a contact area, which provides an additional seal in the case of suction.
  • the width of the elevation is to be determined using the half-width of the profile.
  • a transition area of the elevation between the flat area and half the maximum height of the elevation preferably has a width of less than 10 mm.
  • the transition area is very particularly preferably narrower than 5 mm.
  • the minimum width for the transition area is at least 1 mm, preferably at least 3 mm. In the specified parameter ranges, a sufficiently smooth transition from the flat area to the camber is possible without taking up too much space.
  • the flat area is designed as a suction plateau.
  • a suction platform is in the working position, especially when the vacuum cleaner floor nozzle is in contact with the floor surface to be cleaned and is aligned parallel to this floor surface.
  • the suction plateau has a preferred width between 3 mm and 15 mm and is used in particular to support the vacuum cleaner floor nozzle on air-permeable floor coverings, such as carpeting.
  • the sealing plateau creates a certain sealing effect between the underside of the vacuum cleaner floor nozzle and the floor material, so that a considerable proportion of the suction air flow is passed through the floor material. As a result, dirt particles can be picked up.
  • the elevation according to the invention protrudes into the air-permeable and elastic floor material.
  • a variable compression is generated, so that the floor material is loosened and the loosening of the dirt is simplified.
  • the incoming suction air flow experiences a strong deflection at the sharp bend, which also creates positive turbulence for the dirt pick-up.
  • the flat area is designed as a sliding slope.
  • This can in particular be a slide-on bevel in front of the front suction mouth edge or a slide-off bevel behind the rear suction mouth edge.
  • a slide-on slope preferably has a width between 5 mm and 20 mm, and a slide-on slope has a preferred width between 15 mm and 40 mm.
  • the sliding slope is opposite in each case the horizontal or with respect to the floor surface to be cleaned - inclined by an angle between 3 ° and 20 °, in particular by 5 ° to 10 °.
  • the flat area is preferably designed as a recess in the sliding sole.
  • protruding sections of the sliding sole run in the transverse direction next to the flat area, which protrude further downwards than the flat area itself.
  • the elevation at its highest point can reach the same level as the laterally protruding area.
  • the transition between the flat area and the elevation is particularly preferably smooth. This means that the contour of the elevation follows a continuously differentiable curve, preferably a 2-fold continuously differentiable curve. Curves of this configuration form a particularly smooth transition, which leads to low sliding resistance when hitting obstacles.
  • the contour of the elevation can also be linear, at least in sections. Particularly preferably, the contour of the elevation does not fall below a radius of curvature of 1 mm. Large radii of curvature in the transition areas also contribute to a particularly smooth transition.
  • the maximum height of the elevation is a distance from the edge of the suction mouth of is less than 1 mm.
  • the elevation is particularly preferably arranged immediately adjacent to the edge of the suction mouth.
  • an inner plateau with a width between 1 mm and 3 mm is arranged between the suction mouth and the elevation immediately adjacent to the edge of the suction mouth.
  • the inner plateau does not protrude from the flat surface. It is preferably oriented horizontally in the working position.
  • the transition between the elevation and the inner plateau is also expediently continuous.
  • the inner plateau ends with the suction mouth edge, which at the same time provides the edge of the suction mouth. Due to the elevation and the edge of the suction mouth, two flow resistances are connected one behind the other at a short distance, which leads to a turbulence which is favorable in terms of cleaning technology.
  • the area of elevation between the first point of the level area, at which half the maximum height is reached, to the last point before the edge of the suction mouth at which half the maximum height is reached, is also referred to as the "crest" of the elevation.
  • the section between the crest and the flat area forms the transition between the flat area and the superelevation.
  • the gradient of the contour of the transition in the direction of the suction mouth edge preferably increases monotonically, in particular strictly monotonically, and decreases monotonically, in particular strictly monotonically, in the region of the crest of the elevation.
  • the summit of the elevation is designed in the form of a circular arc segment, in particular a semicircle.
  • the summit of the elevation has a plateau.
  • the plateau expediently has a width between 0.3 mm and 1 mm.
  • FIG. 1 shows the underside of a vacuum cleaner floor nozzle according to the invention according to a first embodiment.
  • the vacuum cleaner floor nozzle has a housing 1 on which a sliding sole 2 is arranged on the underside.
  • a suction mouth 3 is provided within the sliding sole 2, which is connected to a suction air duct for receiving a suction air stream.
  • the suction air duct comprises a connection flange 4 connected to the rear end of the housing in a working direction x for connection to a vacuum cleaner.
  • Also at the rear end of the housing 1 are two rollers 5 for supporting the housing.
  • the suction mouth 3 extends essentially in a transverse direction y that is transverse to the working direction x.
  • the border 6 of the suction mouth which delimits the suction mouth 3, can be seen.
  • the suction mouth is designed to be open for edge suction.
  • FIGS Figures 2A to 2F The profiling of the sliding sole 2 according to the invention is shown in various exemplary embodiments in FIGS Figures 2A to 2F shown using the example of the rear suction mouth edge 6.
  • the front edge of the suction mouth can alternatively or additionally also have one Figures 2A to 2F have a similar course mirrored in the working direction x.
  • FIG. 2A The profile of the sliding sole of a first embodiment shown is shown only in part in the area immediately rearward adjoining the suction mouth 3.
  • the suction mouth is only indicated in the form of the rear suction mouth wall 7, which is inclined inward in the exemplary embodiment.
  • the rear suction mouth wall 7 can without restriction of Invention also run vertically or inclined outwardly adjacent to the suction mouth.
  • a flat area 8 in the form of a horizontally extending suction plateau 9 is arranged behind the suction mouth 3. At the rear, the plateau 9 is followed by a sliding slope 10 with an angle of inclination ⁇ relative to the horizontal of approximately 7 °.
  • an elevation 11 is arranged between the flat area 8, 9 and the suction mouth 3, which protrudes downward from an extension 12 of the flat area 8, 9 by a maximum height h of less than 2 mm.
  • the elevation 11 is not shown to scale, but is greatly exaggerated.
  • the half-width b of the elevation 11 is less than 3 mm, while the transition area between the elevation 11 and the flat area 8, 9 has a width c of less than 10 mm.
  • FIG. 2B Another, alternative embodiment is in Figure 2B shown.
  • the flat area 9 without a suction plateau is designed directly as a sliding slope 10.
  • the structure is otherwise essentially with the design according to Figure 2A identical.
  • the elevation 11 is additionally formed with a plateau 14. This has a width d of a maximum of 0.5 mm.
  • summit of the elevation 11 between the two half-value points is designed as a circular arc segment, specifically as a semicircular arc.
  • FIG. 2F Another variant not according to the invention is shown in Figure 2F shown.
  • the cross section of the elevation 11 essentially corresponds to the illustration from FIG Figure 2C with an inner plateau 13 and a flat area 8 designed as a suction plateau 9.
  • the special feature here is that the suction plateau 9 is formed as part of a recess 14 in the sliding sole 2.
  • the recess is - as one can compare with the Fig. 3 removes - formed in such a way that laterally protruding sections 15 are arranged next to the flat area 8, 9, which are at least partially in alignment with the sliding bevel 10.
  • the highest point of the elevation 11 reaches the same level as the laterally protruding areas 15.

Claims (13)

  1. Suceur de sol pour aspirateur, pourvu d'un boîtier (1), d'un patin (2), placé sur la face inférieure du boîtier (1) et d'une bouche d'aspiration (3) placée dans le patin (2), laquelle s'étend dans une direction transversale (y) et laquelle est délimitée par une bordure (6), dans une direction de travail (x) perpendiculaire à la direction transversale (y), le patin (2) comportant à l'avant et/ou à l'arrière de la bouche d'aspiration (3) une zone plane (8), le patin (2) comportant entre la zone plane (8) et la bouche d'aspiration (3) une surélévation (11) se raccordant en continu sur la zone plane (8), laquelle déborde au-delà du prolongement (12) de la zone plane (8), caractérisé en ce que la hauteur maximale (h) de la surélévation (11) présente un écart de moins de 1 mm par rapport à la bordure (6) de la bouche d'aspiration (3) .
  2. Suceur de sol pour aspirateur selon la revendication 1, caractérisé en ce que la surélévation (11) présente une hauteur (h) de moins de 2 mm, notamment de moins de 1,5 mm.
  3. Suceur de sol pour aspirateur selon la revendication 1 ou 2, caractérisé en ce que la surélévation (11) présente une largeur (d) de moins de 3 mm, notamment de moins de 2 mm.
  4. Suceur de sol pour aspirateur selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'une zone de transition de la surélévation entre la zone plane (8) et la demi hauteur maximale de la surélévation (11) présente une largeur (c) de moins de 10 mm.
  5. Suceur de sol pour aspirateur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la zone plane (8) est conçue sous la forme d'un plateau aspirant (9).
  6. Suceur de sol pour aspirateur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la zone plane (8) est conçue sous la forme d'une inclinaison de glissement (10).
  7. Suceur de sol pour aspirateur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la zone plane (8) est formée en tant qu'un renfoncement (14) à l'intérieur du patin (2).
  8. Suceur de sol pour aspirateur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le contour de la surélévation (11) suit une courbe constamment différenciable, de préférence une courbe deux fois constamment différenciable.
  9. Suceur de sol pour aspirateur selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le contour de la surélévation (11) est conçu par endroits de forme linéaire.
  10. Suceur de sol pour aspirateur selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le contour de la surélévation (11) n'est pas inférieur à un rayon de courbure de 1 mm.
  11. Suceur de sol pour aspirateur selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la pente du contour de la transition croît de manière monotone et décroît de manière monotone dans la zone du sommet de la surélévation (11).
  12. Suceur de sol pour aspirateur selon l'une quelconque des revendications 1 à 11, caractérisé en ce que le sommet de la surélévation (11) est formé avec une section transversale en forme de demi-cercle.
  13. Suceur de sol pour aspirateur selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le sommet de la surélévation (11) comporte un plateau (14).
EP17203366.4A 2017-11-23 2017-11-23 Suceur pour un aspirateur Active EP3488752B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17203366.4A EP3488752B1 (fr) 2017-11-23 2017-11-23 Suceur pour un aspirateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17203366.4A EP3488752B1 (fr) 2017-11-23 2017-11-23 Suceur pour un aspirateur

Publications (2)

Publication Number Publication Date
EP3488752A1 EP3488752A1 (fr) 2019-05-29
EP3488752B1 true EP3488752B1 (fr) 2021-12-29

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ID=60569587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17203366.4A Active EP3488752B1 (fr) 2017-11-23 2017-11-23 Suceur pour un aspirateur

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EP (1) EP3488752B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2871046B1 (fr) 2004-06-08 2006-07-28 Seb Sa Suceur d'aspirateur
DE102007009958B4 (de) * 2007-03-01 2013-08-01 Wessel-Werk Gmbh Blechgleitsohle sowie Verfahren zu deren Auslegung
CN104367268B (zh) 2013-08-13 2017-06-16 莱克电气股份有限公司 改进型吸尘器地刷
DE102014112141B4 (de) * 2014-08-25 2018-04-26 Wessel-Werk Gmbh Saugdüse für Bodenstaubsauger
KR20160026269A (ko) * 2014-08-29 2016-03-09 삼성전자주식회사 흡입노즐 및 이를 구비한 진공청소기
CN106889944A (zh) * 2015-12-18 2017-06-27 康塔有限公司 真空吸尘器头

Also Published As

Publication number Publication date
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