EP1561412B1 - Nozzle for a suction cleaner - Google Patents

Nozzle for a suction cleaner Download PDF

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Publication number
EP1561412B1
EP1561412B1 EP05001497A EP05001497A EP1561412B1 EP 1561412 B1 EP1561412 B1 EP 1561412B1 EP 05001497 A EP05001497 A EP 05001497A EP 05001497 A EP05001497 A EP 05001497A EP 1561412 B1 EP1561412 B1 EP 1561412B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
web
edge
thread catcher
textile
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.)
Not-in-force
Application number
EP05001497A
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German (de)
French (fr)
Other versions
EP1561412A2 (en
EP1561412A3 (en
Inventor
Helmut Brinkhoff
Volker Gerth
Wolfgang Siefert
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
Priority to PL05001497T priority Critical patent/PL1561412T3/en
Priority to SI200531063T priority patent/SI1561412T1/en
Publication of EP1561412A2 publication Critical patent/EP1561412A2/en
Publication of EP1561412A3 publication Critical patent/EP1561412A3/en
Application granted granted Critical
Publication of EP1561412B1 publication Critical patent/EP1561412B1/en
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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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • 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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0686—Nozzles with cleaning cloths, e.g. using disposal fabrics for covering the nozzle

Definitions

  • the invention relates to a nozzle for a floor care appliance according to the preamble of claim 1.
  • Such a nozzle is for example by the DE 197 30 709 C2 or by the EP 1 595 485 A1 known.
  • the cleaning of soils is mainly dependent on the suction power of the floor care equipment.
  • This suction power is determined by the coordination of negative pressure, air delivery and the shape of the suction nozzle located at the nozzle.
  • This suction mouthpiece is located on the bottom of the nozzle facing the floor to be cleaned and comprises a sliding plate or sliding plastic.
  • the sliding plate forms the molded sliding sole, in which a suction mouthpiece with a suction channel, which contains at least one recessed air duct with suction mouth edges, which flows air on dense pile of textile floor coverings.
  • the air duct of the suction mouthpiece is formed to the outer edge of the sliding sole.
  • the sliding sole may be carriers of supporting elements consisting of rolling bodies, sliding surfaces or sliding edges on which the nozzle slides.
  • the sliding sole is a carrier of recessed thread lifters located near the central suction channel.
  • the optimum cleaning effect of soils or the suction power of the nozzle depends on the design of the sliding sole.
  • the overall performance of the floor care device should not be increased, because this leads to an increased sliding force (resistance to movement) of the nozzle on textile floor coverings. Rather, an optimization of the suction power in the depth of the pores of the textile floor covering should be achieved. Particular importance is therefore attached to the molded in the sliding sole intake and integrated in the soleplate thread lifter.
  • the geometry, the shape and the arrangement of the front and rear Saugmundkanten and the intake and air duct of the nozzle are fluidically matched to each other. Saugmundkanten form the stall or working edges over which air sucked in operation flows into the associated air ducts and from there into the intake duct.
  • the front thread lifter is inserted in a limited by two narrow ribs receiving recess. These ribs do not serve as Saugmundkanten, because they are not on the same contour as the adjacent Saugmundkanten the air duct and are provided with openings. Furthermore, the thread lifts used are the known crowned embodiment.
  • the gap located in the bottom sole in the area of the Saugmundkanten is filled with plastic inserts, which provides a peripheral edge of the suction channels with demolition edges, the plastic inserts in turn have recesses in which the separate thread lifter are used and the demolition edges are provided with openings or holes ,
  • the rear thread lifter is spaced from the trailing edge by a flow space.
  • Fig. 2 shown forms behind the spoiler edge to the convex thread lifter a recess in which dirt accumulates adversely.
  • the EP 1 595 485 A1 discloses a floor nozzle in which the rear edge of the suction mouth is formed by an extension of the suction channel.
  • the front suction mouth edge is formed by the thread lifter itself, but this consists only of textile material.
  • the invention thus raises the problem of developing a nozzle for floor care appliances, which has a simple structure in which suction power losses are avoided by using a thread lifter and with which a greater depth effect in the pores is achieved with textile floor coverings.
  • a floor nozzle designed with the features according to the invention makes it possible to increase the effectiveness of the dust pickup, improves the suction properties of the nozzle and provides better deep cleaning of the pores of textile floor coverings.
  • the thread lifter is simple and easy to replace.
  • a nozzle (1) is shown, which is suitable for example in connection with a floor or hand vacuum cleaner for the cleaning of textile floor coverings and smooth floors.
  • the nozzle has a rear roller body (29) and front sliding edges (7, 8, 14, 15).
  • the nozzle 1 is formed on the underside with a sliding sole (3) and at least one thread lifter (9, 10) attached to the sliding sole (3).
  • the sliding sole (3) is preferably a deep-drawn metal part. It has a plurality of shaped portions, namely a rear horizontal portion (27), an adjoining inclined surface (26), a front rounded sloping surface (25) and an air channel (5, 6) located therein.
  • the formations of the sliding sole (3) influence the suction properties of the nozzle (1), especially the suction mouthpiece (2) enclosing front and rear suction mouth edge (7, 8) of the air duct (5, 6) in the region of the intake duct (4). is interrupted by a recess (24) and a recess (23).
  • the depression (24) is located on the rear suction mouth edge (8) of the air channel (5, 6) of the sliding sole (3), the recess (23) on the front suction mouth edge (7).
  • the resulting gaps (23, 24) on both sides of the intake duct (4) are intended for receiving a strip-shaped thread lifter (9, 10), wherein the thread lifter is provided with fastening means (20).
  • the fastening means (20) are formed in a known manner as releasable latching connection means, the latching webs engage during insertion of the thread lifter (9, 10) in an opening in the sliding sole.
  • the thread lifter (9, 10) is - as from Fig. 2 seen in detail - from a textile part (16, 16 ') and a support part (17, 17'), which is designed as a plastic part.
  • the plastic part (17, 17 ') has an upwardly directed, integrally formed web (11) and a downwardly directed fastening element (20).
  • the textile part (16, 16 ') is mounted behind the web (11) on the upwardly directed surface of the plastic part (17, 17').
  • the plastic part (17, 17 ') of the thread lifter (9, 10) can be connected to the textile part (16, 16') in the plastic injection molding process and additionally provides a by back injection on the support member (17, 17 ') formed web (18) for it in that the textile part (16, 16 ') is enclosed and fixed in its edge region.
  • the textile part (16, 16 ') of the thread lifter (9, 10) is preferably a brush plush of a diagonally aligned bristled suede.
  • the textile part (16, 16 ') can lie with the upper edge of the web (11) at the same height.
  • thread take-off (9) is the thickness or height of the textile part (16, 16 ') chosen so that the upper edge of the textile part (16, 16') including Bürstenflor (16 ") with the upper edge of the web (11) not quite on This has the advantage that the sliding edge (4) formed on the web (11) protects the brush pile against wear especially well.
  • the thread lifter (9, 10) On the sole (3) facing side or the bottom side facing away at least a groove (21) into which a tool for releasing the connection can be inserted.
  • the inserted front and rear thread lifter (9, 10) is formed with a bottom-side web (11), which acts as a sliding edge (14, 15).
  • the sliding edge (14, 15) of the thread lifter (9, 10) acts on the fibers when combing the textile, florid floor covering, namely directly on the intake channel (4), so that an improved cleaning depth effect is achieved.
  • Fig. 3 forms the plastic part (17, 17 ') of the thread lifter (9, 10) has a channel wall (22, 22'), the gap (23, 24) in the sliding sole (3) of the air duct (5, 6) bordering in the area Intake duct (4) closes.
  • the upper open end of the channel wall (22, 22 ') of the bottom-side webs (11) of the sliding edge thread lifters (9, 10) is designed as a suction mouth edge (12, 13).
  • the Saugmundkanten (12, 13) extend parallel to the common plane of the bottom as well as the Saugmundkanten (7, 8) of the air duct (5, 6), whereby a circumferential suction mouth edge on the suction mouthpiece (2) for the air flow.
  • the continuous front suction mouth edge (7, 12) and the rear suction mouth edge (8, 13) increase the effectiveness of the suction power.
  • the textile part (16, 16 ') connects directly to the web (11).
  • a significant advantage, which is achieved by the immediate adjacency of the textile part (16, 16 ') to the web (11), is that by avoiding a gap and by the alignment of the contour line of the textile material to the contour line of the suction mouth ( 12, 13) in the horizontal plane of the floor to be cleaned an improved cleaning effect on the thread lifter (9, 10) occurs.
  • the contour line of the flat surface (18) of the textile part (16, 16 ') of the thread lifter (9, 10) is slightly lower or lowered relative to the contour line of the suction mouth edge (12, 13) or the web (11), whereby the ground contact and thus the wear of the textile material can be reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Supply And Installment Of Electrical Components (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

he nozzle assembly (1) moves on a roller (29) with the suction slot (4) against the floor covering and the pile raisers (9,10) are positioned on either side of the slot having a moulded plastic base (17,17') with an upstanding flange (12,13) and fabric material (16,16') forming a brush.

Description

Die Erfindung betrifft eine Düse für ein Bodenpflegegerät gemäß Oberbegriff des Anspruchs 1.The invention relates to a nozzle for a floor care appliance according to the preamble of claim 1.

Eine solche Düse ist beispielsweise durch die DE 197 30 709 C2 oder durch die EP 1 595 485 A1 bekannt.Such a nozzle is for example by the DE 197 30 709 C2 or by the EP 1 595 485 A1 known.

Die Reinigung von Böden ist überwiegend von der Saugleistung der Bodenpflegegeräte abhängig. Diese Saugleistung wird durch die Abstimmung von Unterdruck, Luftförderung und der Form des an der Düse befindlichen Saugmundstücks bestimmt. Dieses Saugmundstück befindet sich an der dem zu reinigenden Boden zugewandten Unterseite der Düse und umfasst ein Gleitblech oder Gleitkunststoff. Das Gleitblech bildet die geformte Gleitsohle, in der ein Saugmundstück mit einem Ansaugkanal, der mindestens einen eingelassenen Luftkanal mit Saugmundkanten enthält, der auf dichten Flor textiler Fußbodenbeläge Luft strömen lässt. Vorzugsweise ist der Luftkanal des Saugmundstücks bis zur äußeren Kante der Gleitsohle ausgebildet. Des weiteren kann die Gleitsohle Träger von Abstützelementen sein, die aus Rollkörpern, Gleitflächen oder Gleitkanten, auf der die Düse gleitet, bestehen.The cleaning of soils is mainly dependent on the suction power of the floor care equipment. This suction power is determined by the coordination of negative pressure, air delivery and the shape of the suction nozzle located at the nozzle. This suction mouthpiece is located on the bottom of the nozzle facing the floor to be cleaned and comprises a sliding plate or sliding plastic. The sliding plate forms the molded sliding sole, in which a suction mouthpiece with a suction channel, which contains at least one recessed air duct with suction mouth edges, which flows air on dense pile of textile floor coverings. Preferably, the air duct of the suction mouthpiece is formed to the outer edge of the sliding sole. Furthermore, the sliding sole may be carriers of supporting elements consisting of rolling bodies, sliding surfaces or sliding edges on which the nozzle slides.

Zum Aufnehmen von Fäden, Fusseln, Haaren usw. ist die Gleitsohle Träger von eingelassenen Fadenhebern, die in der Nähe des zentralen Ansaugkanals angeordnet sind. Die optimale Reinigungswirkung von Böden bzw. Saugleistung der Düse ist von der Gestaltung der Gleitsohle abhängig. Die Gesamtleistung des Bodenpflegegerätes soll hierbei nicht erhöht werden, denn dies führt zu einer erhöhten Schiebekraft (Bewegungswiderstand) der Düse auf textilen Bodenbelägen. Vielmehr soll eine Optimierung der Saugleistung in der Tiefe der Poren des textilen Bodenbelages erreicht werden. Besondere Bedeutung kommt daher dem in der Gleitsohle eingeformten Ansaugkanal und dem in der Gleitsohle integrierten Fadenheber zu. Weiterhin sind die Geometrie, die Form und die Anordnung der vorderen und hinteren Saugmundkanten sowie der Ansaug- und Luftleitkanal der Düse strömungstechnisch aufeinander abzustimmen. Saugmundkanten bilden die Strömungsabriss- oder Arbeitskanten, über welche im Betrieb angesaugte Luft in die zugehörigen Luftkanäle und von dort in den Ansaugkanal strömt.For picking up threads, lint, hair, etc., the sliding sole is a carrier of recessed thread lifters located near the central suction channel. The optimum cleaning effect of soils or the suction power of the nozzle depends on the design of the sliding sole. The overall performance of the floor care device should not be increased, because this leads to an increased sliding force (resistance to movement) of the nozzle on textile floor coverings. Rather, an optimization of the suction power in the depth of the pores of the textile floor covering should be achieved. Particular importance is therefore attached to the molded in the sliding sole intake and integrated in the soleplate thread lifter. Furthermore, the geometry, the shape and the arrangement of the front and rear Saugmundkanten and the intake and air duct of the nozzle are fluidically matched to each other. Saugmundkanten form the stall or working edges over which air sucked in operation flows into the associated air ducts and from there into the intake duct.

Ein Beispiel für solch eine Düse eines Bodenpflegegerätes und deren Anordnung der Elemente Ansaugkanal, Luftkanal und Fadenheber in der Gleitsohle sind in der DE 42 43 244 C2 offenbart. Bei dieser Aufbauform hat der in die Vertiefung der Gleitsohle eingelassene Fadenheber mit seiner textilen Oberfläche eine gewölbte Form und er besitzt keine ausgeprägte Saugmundkante. Nachteilig ist es bei dieser Düse, dass eine Unterbrechung der Saugmundkanten der Luftleitkanäle entsteht und dadurch auch keine durchgehende Gleitkante in der Gleitsohle vorhanden ist (siehe Fig. 4).An example of such a nozzle of a floor care device and their arrangement of the elements intake duct, air duct and thread lifter in the sliding sole are in the DE 42 43 244 C2 disclosed. With this design, the thread lifter, which is embedded in the deepening of the sliding sole, has a curved shape with its textile surface and does not have a pronounced suction mouth edge. The disadvantage of this nozzle, that an interruption of Saugmundkanten the air ducts is formed and thus no continuous sliding edge in the soleplate is present (see Fig. 4).

Aus weiteren Beispielen ( DE 43 04 6814 C2 und DE 44 06 156 A1 ) ist allgemein bekannt, dass die Vertiefungen oder abgesenkten Flächenabschnitte in der Gleitsohle die Saugmundkanten des Luftkanals unterbrechen und durch die eingeklebten streifenförmigen Fadenheber keine durchgehenden Saugmundkanten entstehen. Die DE 197 30 709 C2 offenbart, dass im Mittenbereich des Staubsaugermundstücks in den Verlauf der Arbeitskanten die bekannten Fadenheber eingesetzt sind, wobei auch hier die Saugmundkanten des Saugmundstück unterbrochen sind.From further examples ( DE 43 04 6814 C2 and DE 44 06 156 A1 ) is well known that the recesses or lowered surface portions in the sliding sole interrupt the suction mouth edges of the air duct and caused by the glued strip-shaped thread lifter no continuous Saugmundkanten. The DE 197 30 709 C2 discloses that in the middle region of the vacuum cleaner mouthpiece in the course of the working edges, the known thread lifters are used, whereby also the Saugmundkanten the suction mouthpiece are interrupted.

In der DE 199 00 968 C1 ist die hintere Saugmundkante im Bereich des Ansaugkanals durch eine im Strömungsraum befindliche Vertiefung unterbrochen. Dieser Nachteil soll in einer weiteren Ausführungsform (Fig. 2) beseitigt werden. Die Vertiefung in der Gleitsohle im Bereich des Ansaugkanals an der hinteren Saugmundkante wird durch Einsatz eines Kunststoffteils, welches einen Steg in ähnlicher Ausführung wie die hintere Saugmundkante des Luftkanals bildet, ausgefüllt. Hinter dem Steg befindet sich eine strömumgsbildende Vertiefung, an die sich der separate Fadenheber anschließt. Diese zwischen dem Steg, der mit Öffnungen oder Bohrungen zum Ansaugkanal unterbrochen ist, und dem ballig ausgeführten Fadenheber gelegenen Vertiefung, erhöht den Abstand zwischen Fadenheber und Steg. Der vordere Fadenheber ist zwar in eine von zwei schmalen Rippen begrenzte Aufnahmevertiefung eingesetzt. Diese Rippen dienen aber nicht als Saugmundkanten, denn sie liegen nicht auf gleicher Höhenlinie wie die angrenzenden Saugmundkanten des Luftkanals und sind mit Durchbrüchen versehen. Des weiteren handelt es sich bei den eingesetzten Fadenhebern um die bekannte ballige Ausführungsform.In the DE 199 00 968 C1 the rear suction mouth edge in the region of the intake passage is interrupted by a depression located in the flow space. This disadvantage is intended in a further embodiment ( Fig. 2 ) be eliminated. The recess in the sliding sole in the region of the intake duct at the rear suction mouth edge is filled by the use of a plastic part, which forms a web similar in construction to the rear suction mouth edge of the air duct. Behind the bridge is a strömumgsbildende depression, which is followed by the separate thread lifter. This between the web, which is interrupted with openings or holes to the intake, and the convex thread take-up recess increases the distance between the thread lifter and web. Although the front thread lifter is inserted in a limited by two narrow ribs receiving recess. These ribs do not serve as Saugmundkanten, because they are not on the same contour as the adjacent Saugmundkanten the air duct and are provided with openings. Furthermore, the thread lifts used are the known crowned embodiment.

In der DE 199 06 137 C1 wird die in der Grundsohle im Bereich der Saugmundkanten befindliche Lücke mit Kunststoffeinsätzen, die eine randseitige Einfassung der Saugkanäle mit Abrisskanten vorsieht, ausgefüllt, wobei die Kunststoffeinsätze wiederum Vertiefungen aufweisen, in denen die separaten Fadenheber eingesetzt werden und die Abrisskanten mit Öffnungen bzw. Bohrungen versehen sind. Der hintere Fadenheber ist von der Abrisskante durch einen Strömungsraum beabstandet. Wie in der Ausführungsform in Fig. 2 dargestellt, bildet sich hinter der Abrisskante zum balligen Fadenheber eine Vertiefung, in der sich nachteilig Schmutz ansammelt.In the DE 199 06 137 C1 the gap located in the bottom sole in the area of the Saugmundkanten is filled with plastic inserts, which provides a peripheral edge of the suction channels with demolition edges, the plastic inserts in turn have recesses in which the separate thread lifter are used and the demolition edges are provided with openings or holes , The rear thread lifter is spaced from the trailing edge by a flow space. As in the embodiment in Fig. 2 shown forms behind the spoiler edge to the convex thread lifter a recess in which dirt accumulates adversely.

Die EP 1 595 485 A1 offenbart eine Bodendüse, bei der die hintere Kante des Saugmunds durch einen Fortsatz des Ansaugkanals gebildet wird. Die vordere Saugmundkante wird durch den Fadenheber selbst gebildet, wobei dieser aber nur aus Textilmaterial besteht.The EP 1 595 485 A1 discloses a floor nozzle in which the rear edge of the suction mouth is formed by an extension of the suction channel. The front suction mouth edge is formed by the thread lifter itself, but this consists only of textile material.

Aus dem Stand der Technik und aus der Praxis sind somit eine Vielzahl von Ausführungsformen bekannt, die aber alle noch mit gewissen Nachteilen behaftet sind. Insbesondere führt die Ergänzung der Bodendüse mit einem Fadenheber und dessen Integration in die Gleitsohle zu strömungstechnischen Nachteilen, da durch den Einsatz des Fadenhebers Unterbrechungen in den Luftkanälen und in der Luftführung entstehen, was wiederum Saugleistungsverluste zur Folge hat.From the state of the art and from practice a variety of embodiments are thus known, but all are still associated with certain disadvantages. In particular, the addition of the floor nozzle with a thread lifter and its integration in the soleplate leads to aerodynamic disadvantages, since the use of the Thread lifter interruptions in the air ducts and in the air duct occur, which in turn has suction power losses.

Ferner wird durch die meist ballige Ausführung der Fadenheber und durch den direkten Kontakt mit dem zu reinigenden Boden ein erhöhter Verschleiß bei dem verwendeten Schrägborstenvelour bzw. Bürstenplüsch hervorgerufen.Furthermore, caused by the most spherical design of the thread lifter and by the direct contact with the soil to be cleaned increased wear in the used Schrägborstenvelour or brush plush.

Weiterhin nachteilig ist, dass die Höhenlinie der Fadenheber und die Höhenlinie der Saugmundkanten in Bezug zur Ebene des zu reinigenden Bodens weit auseinander liegen und dass die zum Einbau der Fadenheber bedingte Unterbrechung der Saugmundkanten eine verschlechterte Reinigungswirkung der Staubaufnahme durch die Düse zur Folge hat.Another disadvantage is that the contour line of the thread lifter and the contour line of Saugmundkanten with respect to the plane of the soil to be cleaned are far apart and that the installation of the thread lifter contingent interruption of Saugmundkanten has a deteriorated cleaning effect of the dust through the nozzle result.

Der Erfindung stellt sich somit das Problem, eine Düse für Bodenpflegegeräte zu entwickeln, die einfach aufgebaut ist, bei der unter Verwendung eines Fadenhebers Saugleistungsverluste vermieden werden und mit der eine größere Tiefenwirkung in den Poren bei textilen Fußbodenbelägen erzielt wird.The invention thus raises the problem of developing a nozzle for floor care appliances, which has a simple structure in which suction power losses are avoided by using a thread lifter and with which a greater depth effect in the pores is achieved with textile floor coverings.

Erfindungsgemäß wird dieses Problem durch die Merkmale des Anspruchs 1 gelöst. Weitere Merkmale und Ausgestaltungen der Erfindung ergeben sich aus den nachfolgenden Unteransprüchen.According to the invention, this problem is solved by the features of claim 1. Further features and embodiments of the invention will become apparent from the following subclaims.

Eine mit den Merkmalen gemäß der Erfindung ausgebildete Bodendüse ermöglicht die Erhöhung der Effektivität der Staubaufnahme, verbessert die Saugeigenschaften der Düse und bewirkt eine bessere Tiefenreinigung der Poren von textilen Bodenbelägen.A floor nozzle designed with the features according to the invention makes it possible to increase the effectiveness of the dust pickup, improves the suction properties of the nozzle and provides better deep cleaning of the pores of textile floor coverings.

Insbesondere ist dies auf die erfindungsgemäße Ausbildung des Fadenhebers mit dem eine starre Kante bildenden Steg und dem sich unmittelbar hinter dem Steg anschließenden Textilteil zurückzuführen. Der Steg kämmt bei der Reinigung eines Teppichbodens den Flor und öffnet somit den Flor zugunsten einer verbesserten Tiefenwirkung.In particular, this is due to the inventive design of the thread lifter with the web forming a rigid edge and the immediately following behind the web textile part. When cleaning a carpet, the bridge combs the pile, thus opening the pile in favor of an improved depth effect.

Außerdem wird durch die erfindungsgemäße Ausbildung des Fadenhebers der Verschleiß des textilen Materials verringert. Der Fadenheber ist einfach aufgebaut und lässt sich leicht auswechseln.In addition, the wear of the textile material is reduced by the inventive design of the thread lifter. The thread lifter is simple and easy to replace.

Ein Ausführungsbeispiel der Erfindung, ist in den Zeichnungen schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigt:

Figur 1
den Teilausschnitt einer Düse von dessen Unterseite aus gesehen in Draufsicht,
Figur 2
den Fadenheber im Detail als Einzelteil im Schnitt in vergrößerter Darstellung,
Figur 3
ein weiteres Ausführungsbeispiel einer Düse auf dem Kopf liegend und in einer Schnittdarstellung gemäß einer Schnittlinie A - B, wie in Fig.1 eingezeichnet.
An embodiment of the invention is shown schematically in the drawings and will be described in more detail below. It shows:
FIG. 1
the partial section of a nozzle seen from the bottom thereof in plan view,
FIG. 2
the thread lifter in detail as a single part in section in an enlarged view,
FIG. 3
a further embodiment of a nozzle lying on the head and in a sectional view along a section line A - B, as in Fig.1 located.

In der Fig. 1 ist eine Düse (1) dargestellt, die z.B. in Verbindung mit einem Boden- oder Handstaubsauger für die Reinigung von textilen Bodenbelägen und glatten Böden geeignet ist. Zur Abstützung und Auflage auf dem zu reinigenden Boden weist die Düse einen hinteren Rollkörper (29) und vordere Gleitkanten (7, 8, 14, 15) auf. Die Düse 1 ist unterseitig mit einer Gleitsohle (3) und mindestens einem an der Gleitsohle (3) befestigten Fadenheber (9, 10) ausgebildet. Die Gleitsohle (3) ist vorzugsweise ein Tiefziehmetallteil. Sie besitzt mehrere geformte Bereiche, nämlich einen rückwärtigen horizontalen Abschnitt (27), eine sich unmittelbar daran anschließende schräge Fläche (26), eine vordere gerundete abfallende Fläche (25) und einem sich darin befindlichen Luftkanal (5, 6).
Die Ausformungen der Gleitsohle (3) beeinflussen die Saugeigenschaften der Düse (1), vor allem die das Saugmundstück (2) einfassende vordere und hintere Saugmundkante (7, 8) des Luftkanals (5, 6), die im Bereich des Ansaugkanals (4) durch eine Vertiefung (24) und eine Ausnehmung (23) unterbrochen ist. Die Vertiefung (24) befindet sich an der hinteren Saugmundkante (8) des Luftkanals (5, 6) der Gleitsohle (3), die Ausnehmung (23) an der vorderen Saugmundkante (7). Die dadurch entstehenden Lücken (23, 24) beidseitig des Ansaugkanal (4) sind zur Aufnahme eines streifenförmigen Fadenhebers (9, 10) bestimmt, wobei der Fadenheber mit Befestigungsmitteln (20) versehenen ist. Die Befestigungsmittel (20) sind in bekannter Weise als lösbare Rastverbindungsmittel ausgebildet, dessen Raststege beim Einsetzen des Fadenhebers (9, 10) in eine Öffnung in der Gleitsohle eingreifen.In the Fig. 1 a nozzle (1) is shown, which is suitable for example in connection with a floor or hand vacuum cleaner for the cleaning of textile floor coverings and smooth floors. For support and support on the floor to be cleaned, the nozzle has a rear roller body (29) and front sliding edges (7, 8, 14, 15). The nozzle 1 is formed on the underside with a sliding sole (3) and at least one thread lifter (9, 10) attached to the sliding sole (3). The sliding sole (3) is preferably a deep-drawn metal part. It has a plurality of shaped portions, namely a rear horizontal portion (27), an adjoining inclined surface (26), a front rounded sloping surface (25) and an air channel (5, 6) located therein.
The formations of the sliding sole (3) influence the suction properties of the nozzle (1), especially the suction mouthpiece (2) enclosing front and rear suction mouth edge (7, 8) of the air duct (5, 6) in the region of the intake duct (4). is interrupted by a recess (24) and a recess (23). The depression (24) is located on the rear suction mouth edge (8) of the air channel (5, 6) of the sliding sole (3), the recess (23) on the front suction mouth edge (7). The resulting gaps (23, 24) on both sides of the intake duct (4) are intended for receiving a strip-shaped thread lifter (9, 10), wherein the thread lifter is provided with fastening means (20). The fastening means (20) are formed in a known manner as releasable latching connection means, the latching webs engage during insertion of the thread lifter (9, 10) in an opening in the sliding sole.

Der Fadenheber (9, 10) besteht - wie aus Fig. 2 im Detail ersichtlich - aus einem Textilteil (16, 16') und einem Trägerteil (17, 17'), welches als Kunststoffteil ausgebildet ist. Das Kunststoffteil (17, 17') besitzt dabei einen nach oben gerichteten, angeformten Steg (11) und ein nach unten gerichtetes Befestigungselement (20). Das Textilteil (16, 16') ist hinter dem Steg (11) auf der nach oben gerichteten Fläche des Kunststoffteiles (17, 17') befestigt.
Das Kunststoffteil (17, 17') des Fadenhebers (9, 10) kann dabei mit dem Textilteil (16, 16') im Kunststoffspritzverfahren verbunden werden und zusätzlich sorgt ein durch Hinterspritzung am Trägerteil (17, 17') gebildeter Steg (18) dafür, dass das Textilteil (16, 16') in dessen Randbereich umfasst und fixiert wird. Das Textilteil (16, 16') des Fadenhebers (9, 10) ist vorzugsweise ein Bürstenplüsch aus einem schräg ausgerichteten borstigem Velours.The thread lifter (9, 10) is - as from Fig. 2 seen in detail - from a textile part (16, 16 ') and a support part (17, 17'), which is designed as a plastic part. The plastic part (17, 17 ') has an upwardly directed, integrally formed web (11) and a downwardly directed fastening element (20). The textile part (16, 16 ') is mounted behind the web (11) on the upwardly directed surface of the plastic part (17, 17').
The plastic part (17, 17 ') of the thread lifter (9, 10) can be connected to the textile part (16, 16') in the plastic injection molding process and additionally provides a by back injection on the support member (17, 17 ') formed web (18) for it in that the textile part (16, 16 ') is enclosed and fixed in its edge region. The textile part (16, 16 ') of the thread lifter (9, 10) is preferably a brush plush of a diagonally aligned bristled suede.

Das Textilteil (16, 16') kann mit der oberen Kante des Steges (11) auf gleicher Höhe liegen. Bei dem in Fig. 2 gezeigten Fadenheber (9) ist die Dicke bzw. Höhe des Textilteils (16, 16') so gewählt, dass die Oberkante des Textilteils (16, 16') samt Bürstenflor (16") mit der Oberkante des Steges (11) nicht ganz auf einer Höhe liegt und mit in einem geringen Abstand unterhalb der Oberkante des Steges (11) abschließt. Dies hat den Vorteil, dass die am Steg (11) gebildete Gleitkante (4) den Bürstenflor besonders gut vor Verschleiß schützt.The textile part (16, 16 ') can lie with the upper edge of the web (11) at the same height. At the in Fig. 2 shown thread take-off (9) is the thickness or height of the textile part (16, 16 ') chosen so that the upper edge of the textile part (16, 16') including Bürstenflor (16 ") with the upper edge of the web (11) not quite on This has the advantage that the sliding edge (4) formed on the web (11) protects the brush pile against wear especially well.

Zum Auswechseln der Fadenheber (9, 10) aus der Ausnehmung (23) oder der Vertiefung (24) der Gleitsohle (3) besitzt der Fadenheber (9, 10), an der der Gleitsohle (3) zugewandten Seite bzw. der bodenabgewandten Seite mindestens eine Nut (21), in die ein Werkzeug zum Lösen der Verbindung eingeführt werden kann. Der eingesetzte vordere und hintere Fadenheber (9, 10) ist mit einem bodenseitigen Steg (11), der als Gleitkante (14, 15) wirkt, ausgebildet. Die Gleitkante (14, 15) des Fadenhebers (9, 10) wirkt beim Kämmen des textilen florigen Bodenbelages öffnend auf die Fasern ein und zwar unmittelbar am Ansaugkanal (4), so dass eine verbesserte reinigende Tiefenwirkung erzielt wird.To replace the thread lifters (9, 10) from the recess (23) or the recess (24) of the sliding sole (3) has the thread lifter (9, 10), on the sole (3) facing side or the bottom side facing away at least a groove (21) into which a tool for releasing the connection can be inserted. The inserted front and rear thread lifter (9, 10) is formed with a bottom-side web (11), which acts as a sliding edge (14, 15). The sliding edge (14, 15) of the thread lifter (9, 10) acts on the fibers when combing the textile, florid floor covering, namely directly on the intake channel (4), so that an improved cleaning depth effect is achieved.

In dem Ausführungsbeispiel gemäß Fig. 3 bildet das Kunststoffteil (17, 17') des Fadenhebers (9, 10) eine Kanalwand (22, 22'), das die Lücke (23, 24) in der Gleitsohle (3) des Luftkanals (5, 6) randeinfassend im Bereich des Ansaugkanals (4) schließt. Das obere offene Ende der Kanalwand (22, 22') der bodenseitigen Stege (11) der Gleitkanten-Fadenheber (9, 10) ist als Saugmundkante (12, 13) ausgebildet. Die Saugmundkanten (12, 13) verlaufen parallel zur gemeinsamen Ebene des Bodens wie auch die Saugmundkanten (7, 8) des Luftkanals (5, 6), wodurch eine umlaufende Saugmundkante am Saugmundstück (2) für die Luftströmung entsteht. Die durchgehende vordere Saugmundkante (7, 12) und die hintere Saugmundkante (8, 13) bewirken eine Erhöhung der Effektivität der Saugleistung.In the embodiment according to Fig. 3 forms the plastic part (17, 17 ') of the thread lifter (9, 10) has a channel wall (22, 22'), the gap (23, 24) in the sliding sole (3) of the air duct (5, 6) bordering in the area Intake duct (4) closes. The upper open end of the channel wall (22, 22 ') of the bottom-side webs (11) of the sliding edge thread lifters (9, 10) is designed as a suction mouth edge (12, 13). The Saugmundkanten (12, 13) extend parallel to the common plane of the bottom as well as the Saugmundkanten (7, 8) of the air duct (5, 6), whereby a circumferential suction mouth edge on the suction mouthpiece (2) for the air flow. The continuous front suction mouth edge (7, 12) and the rear suction mouth edge (8, 13) increase the effectiveness of the suction power.

Das Textilteil (16, 16') schließt unmittelbar an den Steg (11) an. Ein wesentlicher Vorteil, der durch die unmittelbare Angrenzung des Textilteils (16, 16') an den Steg (11) erzielt wird, besteht darin, dass durch die Vermeidung eines Zwischenraums und durch die Angleichung der Höhenlinie des textilen Material an die Höhenlinie der Saugmundkante (12, 13) in der horizontalen Ebene des zu reinigenden Bodens ein verbesserter Reinigungseffekt am Fadenheber (9, 10) eintritt.
Die Höhenlinie der ebenen Fläche (18) des Textilteils (16, 16') des Fadenhebers (9, 10) ist gegenüber der Höhenlinie der Saugmundkante (12, 13) bzw. des Steges (11) etwas niedriger bzw. abgesenkt, wodurch der Bodenkontakt und somit der Verschleiß des textilen Material verringert werden. Insbesondere wirkt sich dies auf glatten Böden aus, wenn die Gleitsohle (3) nicht durch zusätzliche Gleitflächen oder Rollkörper gestützt wird und der Gleitdruck direkt auf dem Fadenheber lastet.
Bei der Ausführung gemäß Fig. 3 ist der vordere Fadenheber (9) unter einem Winkel (19) leicht schräg angeordnet und er besitzt im vorderen Bereich eine Abrundung (28) bzw. Fase, um an dieser Stelle keine die Luftströmung störende Kante zu erzeugen. An der dem Luftkanal (4) zugewandten Seite besitzt der Steg (11) eine strömungsaktive Saugmundkante (12).
Der hintere Fadenheber (10) ist in der Vertiefung (24) vor der schräg abfallenden Fläche (26) der Gleitsohle angeordnet. Auch hier bildet sich eine strömungsaktive Saugmundkante (13).The textile part (16, 16 ') connects directly to the web (11). A significant advantage, which is achieved by the immediate adjacency of the textile part (16, 16 ') to the web (11), is that by avoiding a gap and by the alignment of the contour line of the textile material to the contour line of the suction mouth ( 12, 13) in the horizontal plane of the floor to be cleaned an improved cleaning effect on the thread lifter (9, 10) occurs.
The contour line of the flat surface (18) of the textile part (16, 16 ') of the thread lifter (9, 10) is slightly lower or lowered relative to the contour line of the suction mouth edge (12, 13) or the web (11), whereby the ground contact and thus the wear of the textile material can be reduced. In particular, this effect on smooth floors, if the sliding sole (3) is not supported by additional sliding surfaces or rolling elements and the sliding pressure directly on the thread lifter loads.
In the execution according to Fig. 3 the front thread lifter (9) is slightly inclined at an angle (19) and it has in the front region a rounding (28) or chamfer to produce at this point no air flow disturbing edge. At the air duct (4) facing side of the web (11) has a flow-active suction mouth edge (12).
The rear thread lifter (10) is disposed in the recess (24) in front of the sloping surface (26) of the sliding sole. Here, too, forms a flow-active suction mouth edge (13).

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Düsejet
22
Saugmundstücksuction nozzle
33
Gleitsohlesoleplate
44
Ansaugkanalintake port
55
Luftkanal (L-K) linksAir duct (L-K) on the left
66
Luftkanal (L-K) rechtsAir duct (L-K) on the right
77
vordere Gleitkante (Saugmundkante) des L-Kfront sliding edge (suction mouth edge) of the L-K
88th
hintere Gleitkante (Saugmundkante) des L-Krear sliding edge (suction mouth edge) of the L-K
99
vorderer Fadenheber (FH)front thread lifter (FH)
1010
hinterer Fadenheber (FH)rear thread lifter (FH)
1111
Stegweb
1212
vordere Saugmundkante des FHfront suction mouth edge of the FH
1313
hintere Saugmundkante des FHrear suction mouth edge of the FH
1414
vordere Gleitkante des Stegesfront sliding edge of the web
1515
hintere Gleitkante des Stegesrear sliding edge of the web
1616
Textilteil des FHTextile part of the FH
1717
Trägerteil (Kunststoffteil) des FHCarrier part (plastic part) of the FH
1818
Stegweb
1919
Winkelangle
2020
Befestigungsmittel (lösbar)Fastening means (detachable)
2121
Nuten des FHGrooves of the FH
2222
Kanalwand des FHCanal wall of the FH
2323
Ausnehmung (vordere Lücke)Recess (front gap)
2424
Vertiefung (hintere Lücke)Recess (back gap)
2525
vordere gerundete abfallende Flächefront rounded sloping surface
2626
hintere schräg abfallende Flächerear sloping surface
2727
rückwärtiger horizontaler Abschnittrearward horizontal section
2828
Abrundung (Fase)Rounding off (bevel)
2929
Rollkörperroll body

Claims (9)

  1. Nozzle (1) for a floor care device for cleaning textile floor coverings and smooth floors, comprising a sliding base plate (3) arranged on the underside, comprising a suction mouthpiece (2) and comprising a suction channel (4) which leads to the connecting piece of the nozzle and is connected to at least one air channel (5, 6) formed in the sliding base plate (3), the air channel (5, 6) having a front suction mouth edge (7) and a rear suction mouth edge (8),
    and comprising at least one thread catcher (9, 10) which is inserted into a recess in the sliding base plate (3) and is located in a region in front of and/or behind the suction channel (4), the thread catcher consisting of a support part (17, 17') and a textile part (16, 16') of a brush pile material,
    characterised in that
    the thread catcher (9, 10) comprises a web (11) on the side thereof facing the suction channel (4),
    in that the textile part (16, 16') of the thread catcher (9, 10) is directly adjacent to the web (11) on the side remote from the suction channel (4),
    and in that the web (11) forms a sliding edge (14, 15) which is adjacent to the suction channel (4), fits in an aligned manner into the edge of the suction mouth (7, 8) of the air channel (5) and lies at the same height as the suction mouth edge (7, 8) of the air channel (5, 6).
  2. Nozzle (1) according to claim 1,
    characterised in that
    the thickness or height of the textile part (16, 16') is selected in such a way that the upper edge of the textile part (16, 16'), along with the brush pile (16"), is level with the upper edge of the web (11) or terminates slightly below the upper edge of the web.
  3. Nozzle (1) according to either claim 1 or claim 2,
    characterised in that
    the textile part (16, 16') is strip-shaped and forms a planar face.
  4. Nozzle (1) according to any one of claims 1 to 3, a textile part (16, 16'),
    characterised in that
    the support part (17, 17') of the thread catcher (9, 10) is a plastics material part which can be connected to the textile part (16, 16') in a plastics material injection moulding procedure,
    and in that a web (18) formed on the support part (17, 17') by back injection moulding encloses and fixes the textile part (16, 16') via the edge region thereof.
  5. Nozzle (1) according to any one of claims 1 to 4,
    characterised in that
    the thread catcher (9, 10) is provided on the side thereof remote from the floor with at least one groove for releasing said thread catcher from the sliding baseplate (3).
  6. Nozzle (1) according to any one of claims 1 to 5,
    characterised in that
    the thread catcher (9, 10) is arranged on both sides of the suction channel (4) in a depression (23) and a recess (24).
  7. Nozzle (1) according to any one of claims 1 to 6,
    characterised in that,
    the thread catcher (9, 10), via the surface of the textile part (16, 16'), is arranged from the sliding edges (7, 8) facing the suction channel (4) so as to be slightly inclined at an angle (19) within the sliding base plate.
  8. Nozzle (1) according to any one of claims 1 to 6,
    characterised in that
    in the front region of the nozzle, the thread catcher (9, 10) is arranged so as to be inclined in the sliding base plate at an angle (19), and in that said thread catcher has a rounded portion (29) or a bevel on the side opposite the web (11).
  9. Thread catcher for a nozzle (1) according to any one of claims 1 to 8,
    characterised in that
    the thread catcher consists of a plastics material part (17, 17') and a textile part (16, 16'),
    in that the plastics material part (17, 17') comprises an integrally formed web (11) which is directed upwards and forms a sliding edge, and a fastening element (20) directed downwards,
    in that the textile part (16, 16') behind the web (11) comprising the upper surface of the plastics material part (17, 17') is connected thereto,
    and in that a second web (18) formed on the plastics material part (17, 17') by back injection moulding encloses and fixes the textile part (16, 16') via the edge region thereof.
EP05001497A 2004-02-04 2005-01-26 Nozzle for a suction cleaner Not-in-force EP1561412B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL05001497T PL1561412T3 (en) 2004-02-04 2005-01-26 Nozzle for a suction cleaner
SI200531063T SI1561412T1 (en) 2004-02-04 2005-01-26 Nozzle for a suction cleaner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004005641 2004-02-04
DE102004005641A DE102004005641A1 (en) 2004-02-04 2004-02-04 Nozzle for a floor care appliance

Publications (3)

Publication Number Publication Date
EP1561412A2 EP1561412A2 (en) 2005-08-10
EP1561412A3 EP1561412A3 (en) 2006-11-22
EP1561412B1 true EP1561412B1 (en) 2010-04-21

Family

ID=34673166

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05001497A Not-in-force EP1561412B1 (en) 2004-02-04 2005-01-26 Nozzle for a suction cleaner

Country Status (5)

Country Link
EP (1) EP1561412B1 (en)
AT (1) ATE464827T1 (en)
DE (2) DE102004005641A1 (en)
PL (1) PL1561412T3 (en)
SI (1) SI1561412T1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005041805A1 (en) * 2005-09-02 2007-03-08 BSH Bosch und Siemens Hausgeräte GmbH Staubsaugerbodendüse
DE102005045575A1 (en) * 2005-09-23 2007-03-29 BSH Bosch und Siemens Hausgeräte GmbH bristle strip
DE102007022256B4 (en) 2007-05-09 2013-07-25 Miele & Cie. Kg Nozzle for a floor care appliance
FR2965165B1 (en) 2010-09-24 2013-07-12 Seb Sa VACUUM CLEANER SCRATCH RULES
DE102011081838A1 (en) 2010-11-05 2012-05-10 BSH Bosch und Siemens Hausgeräte GmbH Suction nozzle, process for their preparation and vacuum cleaner equipped therewith
DE102020215114A1 (en) 2020-12-01 2022-06-02 BSH Hausgeräte GmbH plasma device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2309137A1 (en) * 1973-02-23 1974-08-29 Hans Wessel VACUUM CLEANER WITH THREAD PICK
US4319379A (en) * 1980-04-29 1982-03-16 Carrigan William J Pickup
PL131508B2 (en) * 1983-02-08 1984-11-30 Thread collector for vacuum cleaner suction nozzle or suction nozzle with brush
DE4243244C2 (en) * 1992-12-19 1999-11-04 Miele & Cie Wheeled floor nozzle for vacuum cleaners
DE4304681C2 (en) * 1993-02-16 1996-06-05 Wessel Werk Gmbh One-piece vacuum cleaner nozzle
DE4406156A1 (en) * 1994-02-25 1995-08-31 Licentia Gmbh Suction mouthpiece for vacuum cleaners
DE19730709C2 (en) * 1997-07-17 2000-12-07 Bsh Bosch Siemens Hausgeraete Vacuum cleaner mouthpiece
DE19900968C1 (en) * 1999-01-13 2000-01-13 Wessel Werk Gmbh Slide sole for vacuum cleaner nozzle
DE19906137C1 (en) * 1999-02-13 2000-07-20 Wessel Werk Gmbh Slide plate for vacuum cleaner nozzle has insert in recess or aperture with bottom profile forming active suction flow edge for flow channel
DE20020253U1 (en) * 2000-11-22 2001-04-26 Wessel-Werk GmbH, 51580 Reichshof Vacuum cleaner nozzle
DE502004003342D1 (en) * 2004-05-10 2007-05-10 Wessel Werk Gmbh Floor nozzle for vacuum cleaner

Also Published As

Publication number Publication date
SI1561412T1 (en) 2010-08-31
EP1561412A2 (en) 2005-08-10
DE502005009438D1 (en) 2010-06-02
EP1561412A3 (en) 2006-11-22
PL1561412T3 (en) 2010-09-30
DE102004005641A1 (en) 2005-09-01
ATE464827T1 (en) 2010-05-15

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