EP3760091A1 - Semelle de crosse, buse d'aspirateur et aspirateur - Google Patents

Semelle de crosse, buse d'aspirateur et aspirateur Download PDF

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Publication number
EP3760091A1
EP3760091A1 EP20177934.5A EP20177934A EP3760091A1 EP 3760091 A1 EP3760091 A1 EP 3760091A1 EP 20177934 A EP20177934 A EP 20177934A EP 3760091 A1 EP3760091 A1 EP 3760091A1
Authority
EP
European Patent Office
Prior art keywords
suction mouth
edge
vacuum cleaner
sliding
sliding sole
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
EP20177934.5A
Other languages
German (de)
English (en)
Other versions
EP3760091B1 (fr
Inventor
Martin Behrenswerth
Markus Baxhenrich
Willi Geser
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP3760091A1 publication Critical patent/EP3760091A1/fr
Application granted granted Critical
Publication of EP3760091B1 publication Critical patent/EP3760091B1/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 sliding sole, a vacuum cleaner nozzle and a vacuum cleaner.
  • a sliding sole for a vacuum cleaner nozzle is from the EP 3 047 775 B1 known.
  • the sliding sole described there has a suction mouth formed on its underside, which is bounded by a front and a rear suction mouth edge, a slide-on slope in the working direction in front of the suction mouth, an inclined sliding surface in the working direction behind the suction mouth and a suction opening opening into the suction mouth.
  • a horizontal plateau is also arranged between the front slide-on bevel and the front suction mouth edge, which extends parallel to the front suction mouth edge over the entire length of the front suction mouth edge at the level of the front suction mouth edge.
  • the incline has an inclination between 5 ° and 7 ° or is designed as a spherically shaped surface.
  • the design of the suction mouth is only designed for one application. Dust is loosened from the substrate or carpet, but not from hard floors or cracks with joints.
  • the invention thus has the problem of providing a sliding sole, a vacuum cleaner nozzle and a vacuum cleaner which are designed to remove dust from a carpet as well as dirt on a hard floor with cracks and / or joints.
  • the advantages that can be achieved with the invention consist, in addition to a low sliding resistance, in the good suction properties when the sliding sole is used in a vacuum cleaner.
  • the suction mouth edges seal the suction mouth on the bottom side during use, so that an efficient negative pressure can be built up. Therefore, dust and / or dirt can be efficiently removed both from a carpet and from a hard floor with cracks and / or joints by means of the sliding sole. At the same time, if the negative pressure is too high, sliding forces ( ⁇ 30N) will not be exceeded.
  • the front edge of the suction mouth extends without interruption over the entire working width of the sliding sole and delimits an end section of the suction mouth designed for edge suction at both ends of the suction mouth.
  • Direction and position information relate to an operational working position and direction of the sliding block.
  • the rear edge of the suction mouth extends without interruption over the entire working width of the sliding sole and delimits an end section of the suction mouth designed for edge suction at both ends of the suction mouth.
  • the horizontal plateau is arranged between the inclined sliding surface and the rear edge of the suction mouth and extends parallel to the rear edge of the suction mouth over the entire length of the rear edge of the suction mouth at the level of the rear edge of the suction mouth.
  • the rear edge of the suction mouth and the horizontal plateau adjoining the rear edge of the suction mouth form a further border of the suction mouth. This further border extends without interruption over the entire working width of the suction mouth and is also important for the suction power.
  • Both - that is, the front and the rear - suction mouth edges can seal the suction mouth on the bottom side when used, and this allows an efficient negative pressure to build up over the entire working surface of the sliding sole. Furthermore, good suction properties are achieved even with a low air output of the vacuum cleaner having the sliding sole.
  • the front edge of the suction mouth and in the rear edge of the suction mouth are each designed as a straight edge in a plan view of the sliding sole.
  • the end sections of the suction mouth can be open or closed at the end for edge suction.
  • the suction air which enters the suction mouth at the suction mouth edges when the sliding sole is used in the vacuum cleaner, flows towards the suction mouth opening opening into the suction mouth.
  • the suction mouth opening is preferably arranged centrally between the two ends of the suction mouth.
  • the horizontal plateau preferably has an approach angle in the range of 30 to 45 °, preferably 35 to 40 °.
  • the horizontal plateau preferably has a length of 8.50 to 10.50 mm, preferably 9.00 to 10.00 mm.
  • the length and the width of the rear edge of the suction mouth extend perpendicularly or substantially perpendicularly to one another.
  • the width of the rear edge of the suction mouth extends parallel to the working width.
  • the horizontal plateau preferably has a radius in the range from 0.5 to 1.5 millimeters to the suction mouth opening.
  • the approach angle of the horizontal plateau is preferably provided with a further radius in the range from 2.5 to 3.5 millimeters.
  • the height of the horizontal plateau is 0.50 to 1.50 mm, preferably 0.75 to 1.25 mm, higher than the height of the front edge of the suction mouth, based on an operational set-up position of the sliding sole. That is, when the sliding sole is arranged in its operational set-up position of the sliding sole on the ground, a distance between the horizontal plateau and the ground is 0.5 to 1.5 mm, preferably 0.75 to 1.25 mm, greater than a distance between the front Suction mouth edge to the ground.
  • the front and rear edges of the suction mouth delimit the suction mouth, but the suction mouth opening is larger than the suction mouth because the rear edge of the suction mouth does not rest on the ground when the front edge of the suction mouth is arranged on the ground.
  • air guide elements are arranged on the slide-on slope, the air guide elements protruding from the slide-on slope in the direction of a floor surface to be processed, based on an operational working position of the sliding base.
  • the air guiding elements are arranged on the slide-on slope in such a way that the air guiding elements form air channels. These air channels extend essentially parallel to the main direction of movement of the floor nozzle in an intended cleaning operation.
  • the air guiding elements have an approximately triangular basic shape.
  • the air guiding elements are arranged on the slide-up slope so that the taper formed air channels in the direction of the suction mouth.
  • the air guide elements partially seal the sliding sole to the ground in the area of the front edge of the suction mouth and at the same time enable larger dirt particles to be picked up. In particular, an unintentional displacement of larger dirt particles through a vacuum cleaner nozzle according to the invention during cleaning operation is avoided in this way.
  • the sliding sole preferably also has a sealing lip which is arranged such that the inclined sliding surface is arranged between the sealing lip and the horizontal plateau.
  • the sealing lip also supports the bottom sealing of the suction mouth. If the distance between the horizontal plateau and the ground is greater than the distance between the front edge of the suction mouth and the ground, the sealing lip is preferably arranged in a predetermined area of the suction mouth opening.
  • the sealing lip is preferably arranged in the rear region of the suction mouth opening.
  • the sealing lip preferably delimits the suction mouth opening.
  • the sealing lip preferably extends without interruption over the entire working width of the sliding block. As a result, the sealing lip has the function of sealing the rear suction mouth and thus sucking in dirt even more efficiently during use. In particular with deep grooves and / or joints on a hard floor, the suction mouth continues to be optimally sealed by means of the sealing lip.
  • each brush seal is preferably designed as a brush base.
  • Each brush seal is preferably made of plastic, into which a trim can be woven. More preferably, the brush seal is made from extruded PP (polypropylene) into which a trimming of multifilament yarn is woven.
  • the invention also relates to a vacuum cleaner nozzle which has the sliding sole according to one or more of the embodiments described above.
  • the sliding sole ensures efficient dust pick-up by the vacuum cleaner nozzle.
  • the sliding sole represents a lower part of the vacuum cleaner nozzle, based on an operational working position of the vacuum cleaner nozzle.
  • the vacuum cleaner nozzle is preferably an electronic vacuum cleaner nozzle.
  • the vacuum cleaner nozzle preferably has at least one brush device.
  • the vacuum cleaner nozzle preferably also has one or more wheels.
  • the invention further relates to a vacuum cleaner which has the vacuum cleaner nozzle according to one or more of the embodiments described above.
  • the vacuum cleaner in particular has the sliding sole according to one or more of the embodiments described above.
  • the suction mouth and the suction mouth limitation of the sliding sole are designed in such a way that an air flow sucked in when the vacuum cleaner is in operation flows around the edges of the suction mouth at a high air speed, so that dust is loosened from a surface such as a carpet or hard floor and effectively carried away by the air flow.
  • the vacuum cleaner is preferably designed as a hand-held vacuum cleaner.
  • the expression “hand-held” means that the vacuum cleaner is operated by hand by the user.
  • the vacuum cleaner is more preferably designed as a stick vacuum cleaner, which is also referred to as a stick vacuum cleaner or stick vacuum cleaner.
  • the vacuum cleaner is preferably a cordless vacuum cleaner. That is, the vacuum cleaner has an accumulator and is designed to be operated by means of the accumulator as a power source.
  • the vacuum cleaner is preferably designed as a cyclone vacuum cleaner.
  • Fig. 1 shows a partial cross-sectional view of a sliding sole according to the invention.
  • the sliding sole has a suction mouth 1 formed on its underside, which is delimited by a front suction mouth edge 2 and a rear suction mouth edge 2.
  • Direction and position information relate to an operational working position and direction of the sliding block.
  • the sliding sole is shown in the operational working position in which it is arranged on a substrate 9.
  • the sliding sole also has a slide-on slope 4 in the working direction in front of the suction mouth 1 and an inclined sliding surface 5 in the working direction behind the suction mouth 1.
  • the working direction is the main direction in which the sliding block is to be moved by a user when used.
  • the sliding sole also has a suction mouth opening 6 opening into the suction mouth 1.
  • a horizontal plateau 8 is arranged between the inclined sliding surface 5 and the rear suction mouth edge 3, which extends at the level of the rear suction mouth edge 2 over the entire width (not shown) of the rear suction mouth edge 3 parallel to the latter.
  • the horizontal plateau 8 has a length L of at least 8.5 mm, the length L and the width (not shown) of the rear suction mouth edge 3 being perpendicular or substantially perpendicular to one another and the width (not shown) of the rear suction mouth edge 3 runs parallel to the working width (not shown).
  • the horizontal plateau 8 has an approach angle ⁇ of 36 °, the length L of 9.77 mm and a radius R2 to the suction mouth opening 6.
  • the approach angle of the horizontal plateau 8 is provided with a further radius R4.
  • the width B2 of the front suction mouth edge 2 runs parallel to the working width B1 of the sliding sole. Furthermore, the width B2 of the front suction mouth edge 2 runs perpendicular to the length of the slide-on bevel 7.
  • a height of the horizontal plateau 8 is 1.00 mm higher than the front suction mouth edge 2. That is, a distance between the rear plateau 8 and the substrate 9 is 1, 00 mm greater than a distance between the front edge of the suction mouth 2 and the substrate 9.
  • the radius R1 and the radius R2 are the same or substantially the same.
  • the further radius R3 and the further radius R4 are the same or essentially the same.
  • the further radius R3 and the further radius R4 are each greater than the radius R1 and the radius R2.
  • Fig. 2 shows a partial cross-sectional view of a vacuum cleaner nozzle according to the invention.
  • the vacuum cleaner nozzle shown has in particular the one in Fig. 1 sliding sole shown, which is equipped with a sealing lip 12 in the rear area of the suction mouth opening 6 and a brush seal 14 on the side of the suction mouth 1.
  • the vacuum cleaner nozzle also has a brush device 10 and a wheel 11.
  • the inclined sliding surface 5 is arranged between the sealing lip 12 and the plateau 8.
  • FIG. 13 is a partial cross-sectional perspective view of FIG Fig. 2 shown vacuum cleaner nozzle. Above the rear plateau 8, the vacuum cleaner nozzle is designed in steps.
  • FIG. 13 shows a further perspective partial cross-sectional view of the FIG Fig. 2 shown vacuum cleaner nozzle.
  • the sealing lip 12 is arranged at a distance from the inclined sliding surface 5.
  • Fig. 5 shows a top view of the in Fig. 2 shown vacuum cleaner nozzle. Shown is a plan view of an underside of the vacuum cleaner nozzle, in particular of the sliding sole.
  • the front suction mouth edge 2 and the rear suction mouth edge 3 are each designed as a straight edge in plan view.
  • the suction mouth opening 6 is designed with a rectangular base area.
  • the brush device 10 is in the suction mouth opening 6 arranged.
  • the front suction mouth edge 2 extends without interruption over the entire working width B1 of the sliding sole and is delimited at both ends of the suction mouth 1 by an end section of the suction mouth 1 designed for edge suction.
  • seven air guiding elements 7 are arranged, which are arranged on the slide-on slope 4 at regular intervals from one another.
  • the air guide elements 7 have an approximately triangular basic shape and protrude from the slide-on bevel 4 in the direction of the bottom surface.
  • the air guide elements 7 protrude from the slide-on bevel 4 in such a way that the air guide elements 7 form a front horizontal plateau at the level of the front suction mouth edge 2, which is only interrupted by the air ducts 16 between the air guide elements 7.
  • the rear suction mouth edge 3 extends without interruption over the entire working width B1 of the sliding sole and is delimited at both ends of the suction mouth 1 by an end section of the suction mouth 1 designed for edge suction.
  • a horizontal plateau 8 is arranged between the inclined sliding surface 5 and the rear suction mouth edge 3, which extends over the entire width B3 of the rear suction mouth edge 3 parallel to the latter.
  • the length L of the horizontal plateau 8 extends perpendicular to the width B1, B2 or B3.
  • Brush seals 14 are arranged to the side of the suction mouth 1 and extend in their direction of extension parallel to the length L.
  • the sealing lip 12 extends without interruption over the entire working width B1 of the sliding sole.
  • FIG. 13 shows a further perspective partial cross-sectional view of the FIG Fig. 2 shown vacuum cleaner nozzle.
  • the brush device 10 is designed as a rotating brush roller.
  • FIG. 11 shows another cross-sectional view of the FIG Fig. 2 shown vacuum cleaner nozzle.
  • the brush seal 14 is omitted for the sake of clarity. This makes it easier to see that the horizontal plateau 8 is arranged 1.00 mm higher than the front suction mouth edge 2.
  • FIG. 13 shows another partial cross-sectional view of the FIG Fig. 2 shown vacuum cleaner nozzle.
  • the front suction mouth edge 2 and the rear suction mouth edge 3 delimit the suction mouth 1.
  • the sealing lip 12 and the front suction mouth edge 2 delimit the suction mouth opening 6.
  • the sealing lip 12 seals the rear suction mouth 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP20177934.5A 2019-07-02 2020-06-03 Semelle de crosse, buse d'aspirateur et aspirateur Active EP3760091B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019117777.4A DE102019117777A1 (de) 2019-07-02 2019-07-02 Gleitsohle, Staubsaugerdüse und Staubsauger

Publications (2)

Publication Number Publication Date
EP3760091A1 true EP3760091A1 (fr) 2021-01-06
EP3760091B1 EP3760091B1 (fr) 2022-09-14

Family

ID=70977367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20177934.5A Active EP3760091B1 (fr) 2019-07-02 2020-06-03 Semelle de crosse, buse d'aspirateur et aspirateur

Country Status (2)

Country Link
EP (1) EP3760091B1 (fr)
DE (1) DE102019117777A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214787A (en) * 1988-02-06 1989-09-13 Wessel Werk Gmbh Vacuum cleaner nozzle
DE102016101051A1 (de) * 2016-01-21 2017-07-27 Vorwerk & Co. Interholding Gmbh Saugdüse für ein Saugreinigungsgerät
EP3047775B1 (fr) 2015-01-23 2018-12-19 Wessel-Werk GmbH Semelle en matiere synthetique pour une buse d'aspirateur
EP3494852A1 (fr) * 2017-12-11 2019-06-12 New Ermes Europe S.r.l. Plaque de base pour tête d 'aspiration d'aspirateur pour l'aspiration de poussières fines et de débris de grande taille
US20190174983A1 (en) * 2017-12-11 2019-06-13 New Ermes Europe S.R.L. Accessory for a vacuum cleaner suction head for collecting large debris

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214787A (en) * 1988-02-06 1989-09-13 Wessel Werk Gmbh Vacuum cleaner nozzle
EP3047775B1 (fr) 2015-01-23 2018-12-19 Wessel-Werk GmbH Semelle en matiere synthetique pour une buse d'aspirateur
DE102016101051A1 (de) * 2016-01-21 2017-07-27 Vorwerk & Co. Interholding Gmbh Saugdüse für ein Saugreinigungsgerät
EP3494852A1 (fr) * 2017-12-11 2019-06-12 New Ermes Europe S.r.l. Plaque de base pour tête d 'aspiration d'aspirateur pour l'aspiration de poussières fines et de débris de grande taille
US20190174983A1 (en) * 2017-12-11 2019-06-13 New Ermes Europe S.R.L. Accessory for a vacuum cleaner suction head for collecting large debris

Also Published As

Publication number Publication date
DE102019117777A1 (de) 2021-01-07
EP3760091B1 (fr) 2022-09-14

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