EP3488752A1 - Suceur pour un aspirateur - Google Patents

Suceur pour un aspirateur Download PDF

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Publication number
EP3488752A1
EP3488752A1 EP17203366.4A EP17203366A EP3488752A1 EP 3488752 A1 EP3488752 A1 EP 3488752A1 EP 17203366 A EP17203366 A EP 17203366A EP 3488752 A1 EP3488752 A1 EP 3488752A1
Authority
EP
European Patent Office
Prior art keywords
elevation
staubsaugerbodendüse
suction mouth
staubsaugerbodendüse according
planar region
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.)
Granted
Application number
EP17203366.4A
Other languages
German (de)
English (en)
Other versions
EP3488752B1 (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
Active legal-status Critical Current
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 Staubsauger foundeddüse, in particular a static Staubsauger foundeddüse with a housing and a lower side disposed on the housing sliding sole.
  • a suction mouth is arranged, which extends in a transverse direction and which is bounded by a boundary.
  • the sliding sole has in a working direction perpendicular to the transverse direction in front of and / or behind the suction mouth a flat area.
  • Vacuum cleaner floor nozzles are intended for use with vacuum cleaners.
  • the cleaning principle is based on the fact that in the vacuum cleaner, a fan generates a suction air flow with which to be cleaned of surfaces to be cleaned, especially soil surfaces dirt particles.
  • the vacuum cleaner has a dirt collecting device, in which the dirt particles are separated and collected from the suction air stream.
  • filter bag arrangements and cyclone separators are customary.
  • a suction air guide is provided which feeds the dirt collecting space to the suction air flow.
  • vacuum cleaner floor nozzles are known with the generic features.
  • the underside sliding sole faces a floor surface to be cleaned in the cleaning operation.
  • the sliding sole can rest on permeable floor coverings, such as carpets, directly on the floor surface during operation.
  • support means such as bristle strips, Support rollers and the like is kept at a small distance from the bottom 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.
  • CN 104367268 B provided on the sliding sole a "sealing rib" of small width, which projects perpendicularly to the sliding sole.
  • a "sealing rib" of small width which projects perpendicularly to the sliding sole.
  • Such a rib can easily catch on bumps and thus complicate the handling of Staubsauger convinceddüse.
  • the invention has for its object to provide a Staubsauger foundeddüse with favorable cleaning properties, at the same time a conservation of the floor covering to be cleaned is achieved and is easy to handle.
  • the sliding sole between the flat region and the suction mouth has a continuously adjoining the planar region elevation, which projects beyond the extension of the flat region down. Due to the continuous transition, the soleplate can easily slide over bumps and obstacles on the floor to be cleaned, especially coarse dirt particles.
  • the elevation forms an integral part of the soleplate and is seamlessly integrated into it.
  • the elevation has a height of less than 2 mm, in particular less than 1.5 mm.
  • Such slight inflation is sufficient to produce a cleaning-effective flow acceleration in the region of the suction mouth edge adjacent to the elevation.
  • the projection is small enough to allow safe sliding in conjunction with obstacles.
  • the height of the elevation is 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. Wider elevations form too large a footprint, which provides an additional seal in the case of Festsauergens.
  • the width of the elevation is determined by the half width of the profile.
  • a transition region of the elevation between the planar region and the half maximum height of the elevation preferably has a width of less than 10 mm. Most preferably, the transition region is narrower than 5 mm. The minimum width for the transition region is at least 1 mm, preferably at least 3 mm. In the specified parameter ranges, a sufficiently gentle transition from the flat region to the superelevation is possible without taking up too much installation space.
  • the planar area is designed as a suction plateau.
  • a Saugplateau is in working position, in particular when the Staubsauger convinceddüse in contact with the floor surface to be cleaned is aligned parallel to this bottom surface.
  • the suction plateau has a preferred width between 3 mm and 15 mm and serves in particular for supporting the Staubsauger convinceddüse on air-permeable floor coverings, such as carpets.
  • the sealing plateau creates a certain sealing effect between the underside of the vacuum cleaner floor nozzle and the floor material so that a substantial portion of the suction air flow is passed through the floor material. As a result, dirt particles can be included.
  • the elevation according to the invention is in this configuration in the air-permeable and elastic soil material.
  • the planar region is designed as a sliding bevel.
  • This may in particular be a slanted slope in front of the front suction mouth edge or a slip slope behind the rear suction mouth edge.
  • a Aufgleitschräge preferably has a width between 5 mm and 20 mm, a Abgleitschräge a preferred width between 15 mm and 40 mm.
  • the sliding bevel is inclined in each case with respect to the horizontal or with respect to the surface to be cleaned - by an angle between 3 ° and 20 °, in particular by 5 ° to 10 °.
  • the planar region is formed as a recess of the sliding sole.
  • the elevation can reach the same level at its highest point as the lateral projecting area.
  • the transition between the planar region and the elevation is smooth.
  • the contour of the superelevation follows a continuously differentiable, preferably a 2-fold continuously differentiable curve. Curves of this embodiment form a particularly soft transition, which leads to low sliding resistance when hitting obstacles.
  • the contour of the elevation may 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. Even large radii of curvature in the transition areas contribute to a particularly smooth transition.
  • the maximum height of the elevation has a distance from the boundary of the suction mouth of less than 3 mm, in particular less than 1 mm.
  • the elevation is arranged directly adjacent to the suction mouth edge.
  • an inner plateau with a width between 1 mm and 3 mm between the suction mouth and the elevation is arranged immediately adjacent to the boundary of the suction mouth.
  • the inner plateau does not overhang the flat surface. Preferably, it is horizontally aligned in the working position.
  • the transition between the elevation and the inner plateau is also continuous.
  • the inner plateau ends with the suction mouth edge, which simultaneously provides the boundary of the suction mouth. Due to the elevation and the suction mouth edge two fluidic resistances are connected in short distance one behind the other, which leads to a cleaning technology favorable turbulence.
  • the range of elevation between the first point, starting from the flat area at which half the maximum height is reached to the last point before the boundary of the suction mouth at which half the maximum height is reached, is also referred to as the "peak" of the elevation.
  • the section between the dome and the flat area forms the transition between the flat area and the elevation.
  • the slope of the contour of the transition in the direction of the suction mouth edge increases monotonously, in particular strictly monotonically, and decreases monotonically, in particular strictly monotonically, in the region of the summit of the elevation.
  • the tip of the elevation in the form of a circular arc segment, in particular a semicircle is formed.
  • the summit of the elevation has a plateau.
  • the plateau expediently has a width between 0.3 mm and 1 mm.
  • the Staubsauger foundeddüse has a housing 1, on the underside of a sliding sole 2 is arranged. Within the sliding sole 2, a suction mouth 3 is provided, which is connected to receive a suction air flow to a suction air.
  • the suction air duct comprises one in one Working direction x rear end of the housing connected connection flange 4 for connection to a vacuum cleaner.
  • two rollers 5 are provided for supporting the housing.
  • the suction mouth 3 extends substantially in a transverse direction y transverse to the working direction x.
  • the boundary 6 of the suction mouth can be seen, which limits the suction mouth 3.
  • To the sides in the transverse direction y out of the suction mouth is open to Randabsaugung formed.
  • the profiling of the sole plate 2 according to the invention is in various embodiments in the FIGS. 2A to 2F shown on the example of the rear suction mouth edge 6.
  • the front suction mouth edge can alternatively or additionally also a FIGS. 2A to 2F similar, mirrored in the working direction x course.
  • FIG. 2A shown profile of the sole of a first embodiment is only partially in the area immediately behind then shown to the suction 3.
  • the suction mouth is only indicated in the form of the rear suction mouth wall 7, which is inclined inwardly in the exemplary embodiment.
  • the rear suction mouth wall 7 can also extend vertically or subsequently inclined outwards to the suction mouth.
  • a planar region 8 in the form of a horizontally extending suction plateau 9 is arranged behind the suction mouth 3. Rearward connects to the plateau 9 a Abgleitschräge 10 with an inclination angle ⁇ relative to the horizontal of about 7 °.
  • an elevation 11 is arranged between the flat area 8, 9 and the suction mouth 3, which protrudes downwards 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 drawn to scale, but greatly oversubscribed.
  • the half-width b of the elevation 11 is smaller than 3 mm, while the transition region 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 Fig. 2B shown. There, the flat area 9 without Saugplateau is formed directly as Abgleitschräge 10. The structure is otherwise essentially in accordance with the embodiment Fig. 2A identical.
  • an inner plateau 13 between the elevation 11 and the suction mouth 3 is formed with a width a. This runs parallel to the horizontal starting from the rear suction mouth edge 6.
  • the elevation 11 is additionally formed with a plateau 14. This has a maximum width d of 0.5 mm.
  • Fig. 2E is the tip of the elevation 11 between the two half-value points as a circular arc segment, specifically designed as a semicircular arc.
  • FIG. 2F Another variant is in Fig. 2F shown.
  • the cross section of the elevation 11 corresponds there substantially to the illustration Fig. 2C with an inner plateau 13 and a suction area 9 designed as a flat area 8.
  • the special feature is that the suction plateau 9 is formed as part of a recess 14 in the sole plate 2.
  • the recess becomes - how one of a comparative consideration with the Fig. 3 removes - formed so that in addition to the flat region 8, 9 laterally projecting portions 15 are arranged, which are at least partially in alignment with the Abgleitschräge 10.
  • the highest point of the elevation 11 reaches the same level as the laterally projecting areas 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
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 true EP3488752A1 (fr) 2019-05-29
EP3488752B1 EP3488752B1 (fr) 2021-12-29

Family

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

Country Status (1)

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EP (1) EP3488752B1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2871046A1 (fr) 2004-06-08 2005-12-09 Seb Sa Suceur d'aspirateur
EP1964501A2 (fr) * 2007-03-01 2008-09-03 Wessel-Werk Gmbh Semelle plane en tôle pour buse d'aspirateur
EP2989952A2 (fr) * 2014-08-29 2016-03-02 Samsung Electronics Co., Ltd. Buse d'aspiration et aspirateur équipé de celui-ci
EP2989953A1 (fr) * 2014-08-25 2016-03-02 Wessel-Werk GmbH Utilisation d'une buse d'aspiration pouvant etre raccordee a un aspirateur pour aspirer une surface textile, une surface de sol dur dalle et une surface de sol dur lisse sans joint
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
EP3181029A1 (fr) * 2015-12-18 2017-06-21 Conta S.R.O Suceur d'aspirateur

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2871046A1 (fr) 2004-06-08 2005-12-09 Seb Sa Suceur d'aspirateur
EP1964501A2 (fr) * 2007-03-01 2008-09-03 Wessel-Werk Gmbh Semelle plane en tôle pour buse d'aspirateur
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
EP2989953A1 (fr) * 2014-08-25 2016-03-02 Wessel-Werk GmbH Utilisation d'une buse d'aspiration pouvant etre raccordee a un aspirateur pour aspirer une surface textile, une surface de sol dur dalle et une surface de sol dur lisse sans joint
EP2989952A2 (fr) * 2014-08-29 2016-03-02 Samsung Electronics Co., Ltd. Buse d'aspiration et aspirateur équipé de celui-ci
EP3181029A1 (fr) * 2015-12-18 2017-06-21 Conta S.R.O Suceur d'aspirateur

Also Published As

Publication number Publication date
EP3488752B1 (fr) 2021-12-29

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