EP3257417B1 - Buse d'aspirateur - Google Patents

Buse d'aspirateur Download PDF

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Publication number
EP3257417B1
EP3257417B1 EP16180499.2A EP16180499A EP3257417B1 EP 3257417 B1 EP3257417 B1 EP 3257417B1 EP 16180499 A EP16180499 A EP 16180499A EP 3257417 B1 EP3257417 B1 EP 3257417B1
Authority
EP
European Patent Office
Prior art keywords
suction mouth
vacuum cleaner
cleaner nozzle
mouth edge
nozzle according
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
EP16180499.2A
Other languages
German (de)
English (en)
Other versions
EP3257417A3 (fr
EP3257417A2 (fr
EP3257417C0 (fr
Inventor
Hans-Joachim Steudtner
Horst Dilger
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 CN201710446039.XA priority Critical patent/CN107495898A/zh
Publication of EP3257417A2 publication Critical patent/EP3257417A2/fr
Publication of EP3257417A3 publication Critical patent/EP3257417A3/fr
Application granted granted Critical
Publication of EP3257417C0 publication Critical patent/EP3257417C0/fr
Publication of EP3257417B1 publication Critical patent/EP3257417B1/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
    • 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0483—Reciprocating or oscillating tools, e.g. vibrators, agitators, beaters

Definitions

  • the invention relates to a vacuum cleaner nozzle with a housing and a suction mouth arranged on the underside of the housing (housing bottom) which is delimited by at least one suction mouth edge at the front in a working direction and a suction mouth edge at the rear in the working direction.
  • the front edge of the suction mouth and the rear edge of the suction mouth extend in a horizontal plane.
  • a suction channel is arranged inside the housing, to which a suction fan can be connected to generate a suction air flow.
  • the suction air flow enters the suction channel through the suction mouth.
  • both the cleaning properties and the mobility of a vacuum cleaner nozzle are decisively influenced by the design of the suction mouth edges of the adjacent areas of the underside of the housing (sliding sole).
  • the edges of the suction mouth come into contact with the surface of the floor covering.
  • the suction mouth lies to a certain extent sealingly against the floor surface, so that the suction air flow is guided through the textile material. This means that dirt particles embedded in the textile fibers can also be loosened and removed.
  • the Post-Released EP 3 047 775 A1 also shows a generic vacuum cleaner nozzle.
  • the invention is based on the object of specifying a vacuum cleaner nozzle which has good cleaning properties, protects a textile floor material to be cleaned and at the same time has good mobility and maneuverability in suction operation.
  • the rear edge of the suction mouth is immediately followed by a sliding slope, which is inclined at an angle of between 1.5° and 2.5°, in particular 2°, to the horizontal plane and extends without interruption over a length of at least 30 mm, starting from the rear edge of the suction mouth extends backwards.
  • the sliding bevel extends uninterruptedly from the rear edge of the suction mouth over a length of at least 35 mm.
  • the sliding bevel has a length of 35 to 45 mm, particularly preferably about 40 mm, in the working direction.
  • the vacuum cleaner nozzle can be securely supported so that even with additional suction forces occurring during suction operation, the suction mouth edges sinking in too deeply with excessive stress on the fibers of a textile floor covering can be reliably avoided.
  • the sliding bevel - in contrast to a horizontally aligned plateau - still allows sufficient air transport to the edge of the suction mouth.
  • the cleaning effect can be significantly increased compared to a horizontal configuration.
  • the sliding bevel is designed without interruption, i.e. there are no openings or breakthroughs provided in this area, such as these must be provided for adjustable support elements such as sealing lips or bristle strips.
  • a defined flow pattern can be established over the entire length and the entire width of the slide slope.
  • the angle of inclination of the sliding bevel in the working direction can be determined individually at each point on the surface relative to the horizontal plane or a plane lying parallel thereto and has any value in the angular range claimed by the invention at each point on the surface.
  • the immediate, i. H. in particular without an intermediate plateau and with a radius of curvature of less than 2 mm, the sliding bevel adjoining the rear edge of the suction mouth thus functionally forms part of the edge of the suction mouth.
  • the sliding bevel extends in a transverse direction over at least 75% of the width of the rear edge of the suction mouth.
  • the sliding bevel can particularly preferably extend over more than 90%, in particular more than 95%, of the width of the rear edge of the suction mouth.
  • the width of the rear edge of the suction mouth is preferably at least 80%, particularly preferably at least 90%, in particular more than 95% of the width of the housing.
  • the suction mouth and/or one behind it arranged bevel have a different configuration, in particular for edge suction, ie for cleaning by a lateral suction air stream entering the housing.
  • the sliding bevel extends over the entire width of the rear edge of the suction mouth. This prevents a deviating inflow behavior outside of the sliding bevel according to the invention. At the same time, the sliding bevel also provides a particularly large contact surface, which results in good force distribution and good lateral support.
  • the sliding bevel has a linear gradient in the working direction in each longitudinal section.
  • the angle of inclination does not change in the longitudinal direction (working direction). In the transverse direction, however, the angle of inclination can vary within the range according to the invention.
  • the sliding bevel has the same linear gradient in the working direction in each longitudinal section. This means that the angle of inclination of the sliding surface has the same value at every point on the surface. As a result, a particularly uniform flow onto the rear edge of the suction mouth can be achieved both in the longitudinal direction and in the transverse direction. Furthermore, a punctiform load on the floor covering to be cleaned is avoided.
  • the rear edge of the suction mouth is straight.
  • a particularly simple and uniform flow behavior can be produced.
  • the manufacture of the vacuum cleaner nozzle is simplified.
  • the sliding bevel is designed as a flat surface.
  • the suction mouth can be prevented from sinking into a flexible floor covering by more than the height difference between the rear edge of the suction mouth and the highest point of the sliding slope, since the sliding slope is then already in full contact with the upper side of the floor covering. The load is distributed evenly and without local stresses.
  • the rear edge of the suction mouth is curved.
  • the curvature is, in particular, mirror-symmetrical about a central plane of the vacuum cleaner nozzle, with the lateral ends of the rear edge of the suction mouth being positioned further forward in the working direction than the central vertex.
  • the curvature can, in particular, be in the form of a circular arc segment or a polynomial curve.
  • At least one thread lifter can be embedded in the sliding bevel.
  • the thread lifter is expediently positioned in such a way that it does not or only insignificantly disturb the flow on the surface of the sliding bevel.
  • it can be embedded in the sliding bevel in such a way that the textile material of the thread lifter, in particular inclined bristle velor, is flush with the surrounding surface of the sliding bevel in the compressed state.
  • a slide-on bevel is arranged in front of the front edge of the suction mouth. Since the vacuum cleaner nozzle is already prevented from sinking into the floor covering due to the large-area sliding slope according to the invention, the sliding-on slope can also be formed with a small sliding-on angle. According to the invention, the sliding-on angle is less than 10°, in particular 7° to 10°. Due to the slight upstand, it is still possible that on the Dirt particles lying on the floor surface get under the slide-on slope and thus in the effective area of the suction air flow.
  • Support rollers are expediently arranged on the housing behind the sliding bevel, which support the vacuum cleaner nozzle against tilting during a backward movement during operation. Due to the improved supporting effect of the sliding bevel according to the invention, however, the support rollers can be made smaller.
  • An adjustable support element in particular a sealing lip or a bristle strip, is expediently arranged on the housing.
  • the support element can be adjusted between a first, raised, functional position and a second, lowered, functional position.
  • switching between carpet operation and smooth floor operation can be provided.
  • the support element In the raised state, the support element is moved so far into the housing that the suction mouth can rest on the floor surface to be cleaned and the sliding bevel according to the invention is fully effective.
  • a movement into the lowered functional position lifts the vacuum cleaner nozzle off the floor surface for operation on smooth floors, so that a suction air flow can pass between the floor surface and the underside of the housing.
  • the adjustable support element is expediently arranged in front of the suction mouth. This ensures that the vacuum cleaner nozzle is evenly supported on both sides when operating on smooth floors.
  • a sealing element in particular a sealing lip, can also be arranged behind the sliding bevel, which can be adjusted concurrently with the support element and provides a seal to the rear in smooth floor operation, see above that the incoming suction air flow is concentrated on the front area and the side areas.
  • FIG. 1 an embodiment of a vacuum cleaner nozzle according to the invention is shown with a housing 1, the underside of which is visible.
  • a suction mouth 2 is arranged therein, which is delimited by a suction mouth edge 3 at the front in a working direction x and a suction mouth edge 4 at the rear in the working direction x.
  • the front suction mouth edge 3 and the rear suction mouth edge 4 extend in a horizontal plane H.
  • the suction mouth 2 runs essentially horizontally in a transverse direction y, with the front suction mouth edge 3 and the rear suction mouth edge 4 each being so concavely curved that the suction mouth 2 tapers towards its lateral edge areas 5 .
  • the rear suction mouth edge 4 is immediately followed by a sliding bevel 6 which is inclined relative to the horizontal plane H by an angle ⁇ of between 1° and 5°, in particular between 1.5° and 2.5°.
  • the angle ⁇ in the 2 shown disproportionately large.
  • the sliding bevel 6 extends Glide bevel 6 starting from the rear suction mouth edge 4 without interruption over a length I of at least 30 mm.
  • the sliding bevel 6 extends in the transverse direction y over a width b which corresponds to approximately 75% of the width B of the rear edge 4 of the suction mouth.
  • the sliding bevel 6 has a linear slope with a constant slope angle ⁇ .
  • the figure also shows that a thread lifter is embedded both in the sliding bevel 6 and in a slide-on bevel 7 arranged in front of the front edge 3 of the suction mouth. Its bristles made of slanting bristles protrude slightly over the surface of the sliding slope 6 or the sliding slope 7 in the stress-free, relaxed state. However, they can be compressed to such an extent that they are flush with the surface.
  • the slide-on slope is inclined by a slide-on angle ⁇ of approximately 10° (shown exaggerated) in relation to the horizontal.
  • a support element in the form of a bristle strip 9 is also arranged in front of the slide-on slope 7, which can be moved back and forth between a retracted carpeted position and an extended smooth floor position.
  • Support rollers 10 are arranged behind the sliding slope 6, the lowest point of which touches the horizontal plane H.
  • suction channel 11 located inside the housing can be connected to a vacuum cleaner fan by means of a suction opening via a suction nozzle 12 .

Landscapes

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

Claims (12)

  1. Suceur d'aspirateur, pourvu d'un boîtier (1) d'une bouche d'aspiration (2) placée sur la face inférieure du boîtier, qui est délimitée par au moins une arête d'aspiration (3) antérieure dans la direction de travail (x) et par une arête d'aspiration (4) postérieure dans la direction de travail (x), l'arête d'aspiration (3) antérieure et l'arête d'aspiration (4) postérieure s'étendant dans un plan horizontal (H), caractérisé en ce que directement sur l'arête d'aspiration (4) postérieure se raccorde une inclinaison de glissement (6), qui par rapport au plan horizontal (H) est inclinée d'un angle (α) compris entre 1,5° et 2,5°, notamment de 2°, et qui en partant de l'arête d'aspiration (4) postérieure s'étend sans interruption sur une longueur (1) d'au moins 30 mm vers l'arrière, en ce qu'à l'avant de l'arête d'aspiration (3) antérieure est placée une inclinaison d'accostage glissant (7) et en ce que l'inclinaison d'accostage glissant (7) est inclinée par rapport au plan horizontal (H) d'un angle d'accostage glissant (β) compris entre 7° et 10°.
  2. Suceur d'aspirateur selon l'une quelconque des revendications 1, caractérisé en ce qu'en partant de l'arête d'aspiration (4) postérieure, l'inclinaison de glissement (6) s'étend sans interruption vers l'arrière, sur une longueur (1) d'au moins 35 mm.
  3. Suceur d'aspirateur selon l'une quelconque des revendications 1 et 2, caractérisé en ce que l'inclinaison de glissement (6) s'étend dans une direction transversale (y) sur au moins 75 % de la largeur (B) de l'arête d'aspiration (4) postérieure.
  4. Suceur d'aspirateur selon la revendication 3, caractérisé en ce que l'inclinaison de glissement (6) s'étend sur toute la largeur (B) de l'arête d'aspiration (4) postérieure.
  5. Suceur d'aspirateur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'inclinaison de glissement (6) comporte dans la direction de travail (x) une pente linéaire dans chaque coupe longitudinale.
  6. Suceur d'aspirateur selon la revendication 5, caractérisé en ce que l'inclinaison de glissement (6) comporte dans la direction de travail (x) la même pente linéaire dans chaque coupe longitudinale.
  7. Suceur d'aspirateur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'arête d'aspiration (4) postérieure est conçue de forme droite.
  8. Suceur d'aspirateur selon la revendication 6 et 7, caractérisé en ce que l'inclinaison de glissement (6) est une surface plane.
  9. Suceur d'aspirateur selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'arête d'aspiration (4) postérieure est conçue de forme incurvée.
  10. Suceur d'aspirateur selon l'une quelconque des revendications 1 à 9, caractérisé en ce que dans l'inclinaison de glissement (6) est incorporé au moins un lève-fils (8).
  11. Suceur d'aspirateur selon l'une quelconque des revendications 1 à 10, caractérisé en ce que des galets porteurs (10) sont placés derrière l'inclinaison de glissement (6) dans la direction de travail (x).
  12. Suceur d'aspirateur selon l'une quelconque des revendications 1 à 11, caractérisé en ce que sur le boîtier (1) est placé un élément porteur (9) ajustable, notamment une baguette-brosse, laquelle est déplaçable entre une première position fonctionnelle relevée et une deuxième position fonctionnelle abaissée.
EP16180499.2A 2016-06-14 2016-07-21 Buse d'aspirateur Active EP3257417B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710446039.XA CN107495898A (zh) 2016-06-14 2017-06-14 吸尘器吸嘴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16174451 2016-06-14

Publications (4)

Publication Number Publication Date
EP3257417A2 EP3257417A2 (fr) 2017-12-20
EP3257417A3 EP3257417A3 (fr) 2017-12-27
EP3257417C0 EP3257417C0 (fr) 2023-06-14
EP3257417B1 true EP3257417B1 (fr) 2023-06-14

Family

ID=56131431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16180499.2A Active EP3257417B1 (fr) 2016-06-14 2016-07-21 Buse d'aspirateur

Country Status (2)

Country Link
EP (1) EP3257417B1 (fr)
CN (1) CN107495898A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3078877B1 (fr) * 2018-03-14 2020-02-21 Seb S.A. Suceur d’aspirateur pourvu d’une nervure de grattage arriere
CN110313865B (zh) * 2018-03-28 2024-09-20 天佑电器（苏州）有限公司 一种吸尘器地刷、地刷组件及吸尘器
EP3639715B1 (fr) * 2018-10-15 2023-04-19 Wessel-Werk GmbH Buse de sol pour un aspirateur
FR3094623B1 (fr) * 2019-04-05 2022-12-16 Seb Sa Suceur d’aspirateur pourvu d’une nervure de grattage arrière
CN111014097B (zh) * 2019-12-09 2021-12-07 荣成荣盛橡胶机械有限公司 一种机床加工用除尘装置
DE102021118096A1 (de) 2021-07-13 2023-01-19 Wessel-Werk Gmbh Staubsaugerdüse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4304682C2 (de) * 1993-02-16 1996-01-25 Wessel Werk Gmbh Staubsaugerdüse
FR2965165B1 (fr) * 2010-09-24 2013-07-12 Seb Sa Regles de grattage de suceur d'aspirateur
DE102012106570B4 (de) * 2012-07-19 2014-08-28 Wessel-Werk Gmbh Staubsaugerdüse, insbesondere für Haushaltsstaubsauger
EP2975993B1 (fr) * 2013-03-21 2018-05-16 Aktiebolaget Electrolux Suceur d'aspirateur avec mécanisme de brosse arrière
DE102014112141B4 (de) * 2014-08-25 2018-04-26 Wessel-Werk Gmbh Saugdüse für Bodenstaubsauger
DE102015101019A1 (de) * 2015-01-23 2016-07-28 Wessel-Werk Gmbh Gleitsohle aus Kunststoff für eine Staubsaugerdüse

Also Published As

Publication number Publication date
EP3257417A3 (fr) 2017-12-27
EP3257417A2 (fr) 2017-12-20
EP3257417C0 (fr) 2023-06-14
CN107495898A (zh) 2017-12-22

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