EP0248201A1 - Suction nozzle - Google Patents

Suction nozzle Download PDF

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Publication number
EP0248201A1
EP0248201A1 EP87106073A EP87106073A EP0248201A1 EP 0248201 A1 EP0248201 A1 EP 0248201A1 EP 87106073 A EP87106073 A EP 87106073A EP 87106073 A EP87106073 A EP 87106073A EP 0248201 A1 EP0248201 A1 EP 0248201A1
Authority
EP
European Patent Office
Prior art keywords
suction channel
vacuum cleaner
nozzle housing
mouthpiece
suction
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
EP87106073A
Other languages
German (de)
French (fr)
Other versions
EP0248201B1 (en
Inventor
Ludger Helmes
Paul Lienenlüke
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding 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 Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Priority to AT87106073T priority Critical patent/ATE50132T1/en
Publication of EP0248201A1 publication Critical patent/EP0248201A1/en
Application granted granted Critical
Publication of EP0248201B1 publication Critical patent/EP0248201B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles

Definitions

  • the invention relates to a vacuum cleaner mouthpiece which has a suction channel which is arranged over the width of the mouthpiece and is surrounded by so-called suction edges and which is technically connected to a connecting piece to which a vacuum cleaner can be connected.
  • DE-OS 31 00 164 shows a vacuum cleaner mouthpiece which is provided with very large supply air ducts for the suction edges of the suction duct. Outside of this there are wings, which are not subjected to any negative pressure. This enables the vacuum cleaner mouthpiece to “float” onto the textile floor, so that the pushing force is reduced.
  • vacuum cleaner mouthpieces which consists of an easily movable by means of RoLLen connecting piece, the suction channel and an additional intermediate piece arranged between the two and articulated with both. This is to prevent the suction edges of the suction channel from lifting or sloping.
  • the object of the invention is to provide a vacuum cleaner mouthpiece which has a so-called degressive friction characteristic in a simple manner.
  • the object is achieved by the features of claim 1.
  • Excellent configurations result from the use of individual leaf springs or from limiting resistors that can be moved via film hinges.
  • the invention thus has the decisive advantage that a vacuum cleaner mouthpiece can be created which has a degressive friction characteristic. It is therefore possible to produce a kind of push force control.
  • FIG. 1 shows a schematic diagram.
  • a nozzle housing (4) consists of the actual nozzle housing (4) and wheels (8, 9) arranged thereon.
  • a connection piece (10) is arranged on the nozzle housing (4), which has a connection to the suction channel (1).
  • This connection has an elastically movable position (11).
  • the suction duct (1) is on the nozzle housing (4) via a so-called parallel crank mechanism (2), which is represented here by leaf springs (5), hung up. If the nozzle housing (4) is moved to the left in the image plane and there is negative pressure on the connecting piece (10), a force (F) in the direction of the arrow and a frictional force (R) in the direction of the arrow develop on the suction channel.
  • FIG. 2 shows an executable construction of the schematic diagram according to FIG. 1.
  • the nozzle housing (4) is equipped with a connecting piece (10) and can be moved on the rollers (8 and 9).
  • the elastic connection (11) from the basic sketch is formed by walls (6) which are fastened to the nozzle housing (4) and the suction channel (1) via film hinges (7). They thus simultaneously form the parallel crank drive (2) from FIG. 1.
  • the suction channel (1) is arranged within an overall frame (12) which moves as an overall part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

Es handelt sich um ein Staubsaugermundstück mit einem über die Mundstückbreite angeordneten Saugkanal (1), mit ihm umgebenden Saugkanten, wobei der Saugkanal (1) mit einem Anschlußstutzen (10) verbunden ist, an welchem ein Staubsauger angeschlossen werden kann. Der Saugkanal (1) ist über einen sogenannten Parallelkurbeltrieb (2) an dem Düsengehäuse (4) aufgehängt. Das Düsengehäuse ist auf dem Untergrund verfahrbar oder verschiebbar ausgebildet.It is a vacuum cleaner mouthpiece with a suction channel (1) arranged over the width of the mouthpiece, with suction edges surrounding it, the suction channel (1) being connected to a connecting piece (10) to which a vacuum cleaner can be connected. The suction channel (1) is suspended from the nozzle housing (4) via a so-called parallel crank mechanism (2). The nozzle housing is designed to be movable or displaceable on the substrate.

Description

Die Erfindung betrifft ein Staubsaugermundstück, welches einen über die Mundstückbreite angeordneten, von sogenannten Saugkanten umgebenen Saugkanal aufweist, der mit einem AnschLußstutzen Lufttechnisch verbunden ist, an welchen ein Staubsauger angeschlossen werden kann.The invention relates to a vacuum cleaner mouthpiece which has a suction channel which is arranged over the width of the mouthpiece and is surrounded by so-called suction edges and which is technically connected to a connecting piece to which a vacuum cleaner can be connected.

Es sind in der Technik verschiedene MögLichkeiten zur Verringerung der Schiebekraft bei Staubsaugermundstücken bekannt. So zeigt die DE-OS 31 00 164 ein Staubsaugermundstück, welches mit sehr großen Zuluftkanälen für die Saugkanten des SaugkanaLs versehen ist. AußerhaLb dieser befinden sich Tragflächen, welche dadurch mit keiner Unterdruckkraft beaufschlagt sind. Dadurch wird ein "Aufschwimmen" des Staubsaugermundstücks auf Textilboden ermöglicht, so daß die Schiebekraft verringert wird.Various possibilities for reducing the pushing force in vacuum cleaner mouthpieces are known in the art. DE-OS 31 00 164 shows a vacuum cleaner mouthpiece which is provided with very large supply air ducts for the suction edges of the suction duct. Outside of this there are wings, which are not subjected to any negative pressure. This enables the vacuum cleaner mouthpiece to “float” onto the textile floor, so that the pushing force is reduced.

Des weiteren sind aus der DE-PS 28 46 847 Staubsaugermundstücke bekannt, welche aus einem leicht mittels RoLLen verfahrbaren Anschlußstück, dem Saugkanal und einem zusätzlichen, zwischen den beiden angeordneten und mit beiden gelenkig verbundenen Zwischenstück besteht.
Dies soll ein Abheben bzw. SchrägsteLLen der Saugkanten des SaugkanaLs verhindern.Furthermore, from DE-PS 28 46 847 vacuum cleaner mouthpieces are known, which consists of an easily movable by means of RoLLen connecting piece, the suction channel and an additional intermediate piece arranged between the two and articulated with both.
This is to prevent the suction edges of the suction channel from lifting or sloping.

Solche Mundstücke müssen jedoch zusätzlich Winkelbegrenzungen im KippgeLenk zwischen AnschLußstück und Zwischenstück besitzen, um ein "Durchschlagen" des Letzten Gliedes der GeLenkkette - des SaugkanaLs - zu verhindern.
Des weiteren weisen derartige Konstruktionen alle eine progressive Reibcharakteristik auf. Das heißt, je größer der Teppichwiderstand, desto überproportional größer die Reibkraft. Die Reibkraft erzeugt immer ein Moment, das in den Teppich gerichtet ist. Damit steigt die Schiebekraft stark an.However, such mouthpieces must additionally have angular limits in the tilting joint between the connecting piece and the intermediate piece in order to prevent the last link of the joint chain - the suction channel - from "striking through".
Furthermore, such constructions all have a progressive friction characteristic. This means that the greater the carpet resistance, the disproportionately greater the frictional force. The frictional force always creates a moment that is directed into the carpet. This increases the pushing force sharply.

Aufgabe der Erfindung ist es nun, auf einfache Art und Weise ein Staubsaugermundstück zu schaffen, welches eine sogenannte degressive Reibcharakteristik aufweist.The object of the invention is to provide a vacuum cleaner mouthpiece which has a so-called degressive friction characteristic in a simple manner.

Erfindungsgemäß wird die Aufgabe durch die Merkmale des Anspruchs 1 gelöst. Dabei ergeben sich vortetlhafte AusgestaLtungen durch die Benutzung von einzelnen BLattfedern oder durch über Filmscharniere bewegliche Begrenzungswiderstände.According to the invention the object is achieved by the features of claim 1. Excellent configurations result from the use of individual leaf springs or from limiting resistors that can be moved via film hinges.

Damit hat die Erfindung zum entscheidenden Vorteil, daß ein Staubsaugermundstück geschaffen werden kann, welches eine degressive Reibcharakteristik aufweist. Es ist somit möglich, eine Art Schiebekraftregelung herzustellen.The invention thus has the decisive advantage that a vacuum cleaner mouthpiece can be created which has a degressive friction characteristic. It is therefore possible to produce a kind of push force control.

Nachstehend ist ein Ausführungsbeispiel der Erfindung gezeichnet und beschrieben.An exemplary embodiment of the invention is drawn and described below.

Es zeigt:

  • Fig. 1: Eine Prinzipskizze eines Staubsaugermundstücks mit aufgehängtem Saugkanal,
  • Fig. 2: ein Staubsaugermundstück, bei dem der Saugkanal über bewegliche Wände aufgehängt und abgedichtet ist.
It shows:
  • 1: A schematic diagram of a vacuum cleaner mouthpiece with a suspended suction channel,
  • Fig. 2: a vacuum cleaner mouthpiece, in which the suction channel is suspended and sealed over movable walls.

Die Fig. 1 zeigt eine Prinzipskizze. Ein Düsengehäuse (4) besteht aus dem eigentlichen Düsengehäuse (4) und daran angeordneten Rädern (8,9). Gleichzeitig ist am Düsengehäuse (4) ein Anschlußstutzen (10) angeordnet, welcher Verbindung zum Saugkanal (1) hat. Diese Verbindung weist eine elastisch bewegliche SteLLe (11) auf. Der SaugkanaL (1) ist am Düsengehäuse (4) über einen sogenannten Parallelkurbeltrieb (2), der hier durch Blattfedern (5) dargestellt ist, aufgehängt. Wird nun das Düsengehäuse (4) in der Bildebene nach Links gefahren und Liegt dabei Unterdruck am AnschLußstutzen (10) an, so entsteht einmal am Saugkanal eine Kraft (F) in PfeiLrichtung und eine Reibkraft (R) in Pfeilrichtung. Durch die Reibkraft (R) wird der Saugkanal (1) an den BLattfedern (5) in die hier etwas übertrieben gezeichnete, gestrichelte Position verschoben und dadurch vom Untergrund (3) weggenommen. Dadurch wird die Kraft (F) verringert. Es entsteht so eine RegeLung der zum Verschieben benötigten Kräfte. Das gleiche gilt für die Verschieberichtung nach rechts, wobei sich hier die Richtung der Reibkraft (R) und die AusLenkung des SaugkanaLs (1) verändern in die entgegengesetzte Richtung. Die Fig. 2 zeigt eine ausführbare Konstruktion der Prinzipskizze nach Fig. 1.
Das Düsengehäuse (4) ist mit einem AnschLußstutzen (10) ausgestattet und auf den RoLLen (8 und 9) verfahrbar. In dieser Konstruktion ist die elastische Verbindung (11) aus der Prinzipskizze durch Wände (6) gebildet, welche über FiLmscharniere (7) am Düsengehäuse (4) und am Saugkanal (1) befestigt sind.
Diese bilden somit auch gleichzeitig den Parallelkurbeltrieb (2) aus Fig. 1.
Der Saugkanal (1) ist innerhalb eines Gesamtrahmens (12) angeordnet, welcher sich als Gesamtteil bewegt.Fig. 1 shows a schematic diagram. A nozzle housing (4) consists of the actual nozzle housing (4) and wheels (8, 9) arranged thereon. At the same time a connection piece (10) is arranged on the nozzle housing (4), which has a connection to the suction channel (1). This connection has an elastically movable position (11). The suction duct (1) is on the nozzle housing (4) via a so-called parallel crank mechanism (2), which is represented here by leaf springs (5), hung up. If the nozzle housing (4) is moved to the left in the image plane and there is negative pressure on the connecting piece (10), a force (F) in the direction of the arrow and a frictional force (R) in the direction of the arrow develop on the suction channel. Due to the frictional force (R), the suction channel (1) on the leaf springs (5) is moved into the dashed position, which is somewhat exaggerated here, and is thereby removed from the base (3). This reduces the force (F). This creates a regulation of the forces required to move. The same applies to the direction of displacement to the right, whereby the direction of the frictional force (R) and the deflection of the suction channel (1) change in the opposite direction. FIG. 2 shows an executable construction of the schematic diagram according to FIG. 1.
The nozzle housing (4) is equipped with a connecting piece (10) and can be moved on the rollers (8 and 9). In this construction, the elastic connection (11) from the basic sketch is formed by walls (6) which are fastened to the nozzle housing (4) and the suction channel (1) via film hinges (7).
They thus simultaneously form the parallel crank drive (2) from FIG. 1.
The suction channel (1) is arranged within an overall frame (12) which moves as an overall part.

Claims (3)

1) Staubsaugermundstück, welches einen über die Mundstückbreite angeordneten, von sogenannten Saugkanten umgebenen Saugkanal aufweist, der mit einem AnschLußstutzen Lufttechnisch verbunden ist, an welchen ein Staubsauger angeschlossen werden kann, dadurch gekennzeichnet, daß der SaugkanaL (1) über einen Parallelkurbeltrieb (2) an dem auf dem Untergrund (3) verfahrbaren oder verschiebbaren Düsengehäuse (4) aufgehängt ist.1) Vacuum cleaner mouthpiece, which has a suction channel which is arranged over the width of the mouthpiece and is surrounded by so-called suction edges and which is technically connected to a connecting piece to which a vacuum cleaner can be connected, characterized in that the suction channel (1) is connected via a parallel crank drive (2) the nozzle housing (4), which is movable or displaceable on the base (3), is suspended. 2) Staubsaugermundstück nach Anspruch 1, dadurch gekennzeichnet, daß der ParaLLeLkurbeLtrieb (2) durch BLattfedern (5) gebildet wird, die sowohl am Düsengehäuse (4) als auch am SaugkanaL (1) befestigt sind.2) Vacuum cleaner mouthpiece according to claim 1, characterized in that the ParaLLeLkurbeLtrieb (2) is formed by leaf springs (5) which are attached to both the nozzle housing (4) and the suction channel (1). 3) Staubsaugermundstück nach Anspruch 1, dadurch gekennzeichnet, daß der Paratlelkurbeltrieb (2) durch Wände (6) gebildet wird, die über FiLmscharniere (7) mit dem Düsengehäuse (4) und dem Saugkanal (1) verbunden sind.3) Vacuum cleaner mouthpiece according to claim 1, characterized in that the paratlel crank drive (2) is formed by walls (6) which are connected via film hinges (7) to the nozzle housing (4) and the suction channel (1).
EP87106073A 1986-06-04 1987-04-25 Suction nozzle Expired - Lifetime EP0248201B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87106073T ATE50132T1 (en) 1986-06-04 1987-04-25 VACUUM CLEANER MOUTHPIECE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863618803 DE3618803A1 (en) 1986-06-04 1986-06-04 VACUUM CLEANER Mouthpiece
DE3618803 1986-06-04

Publications (2)

Publication Number Publication Date
EP0248201A1 true EP0248201A1 (en) 1987-12-09
EP0248201B1 EP0248201B1 (en) 1990-02-07

Family

ID=6302271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87106073A Expired - Lifetime EP0248201B1 (en) 1986-06-04 1987-04-25 Suction nozzle

Country Status (9)

Country Link
US (1) US4888850A (en)
EP (1) EP0248201B1 (en)
JP (2) JPS62286424A (en)
AT (1) ATE50132T1 (en)
AU (1) AU7379787A (en)
CA (1) CA1281513C (en)
DE (2) DE3618803A1 (en)
ES (1) ES2013739B3 (en)
ZA (1) ZA873249B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101862164A (en) * 2009-04-14 2010-10-20 戴森技术有限公司 Cleaner head
WO2010119279A1 (en) * 2009-04-14 2010-10-21 Dyson Technology Limited A cleaner head
EP2338399A3 (en) * 2009-12-17 2012-06-13 Miele & Cie. KG Floor nozzle for a vacuum cleaner
US8707514B2 (en) 2009-04-14 2014-04-29 Dyson Technology Limited Cleaner head

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9115602U1 (en) * 1991-12-17 1993-04-15 Vorwerk & Co Interholding Gmbh, 5600 Wuppertal Mouthpiece for vacuum cleaner
DE9418020U1 (en) * 1994-11-10 1995-10-05 Techno Finish GmbH, 99846 Seebach Vacuum cleaner nozzle
DE19608188C2 (en) * 1996-03-04 2001-05-03 Wessel Werk Gmbh Vacuum cleaner nozzle with springy sliding sole
DE19626632B4 (en) * 1996-07-02 2007-01-18 BSH Bosch und Siemens Hausgeräte GmbH Vacuum cleaner nozzle
US20030192573A1 (en) * 2002-04-16 2003-10-16 Loi Tran Floor care machine with counter acting force
DE102010043515B4 (en) * 2010-11-05 2014-10-16 BSH Bosch und Siemens Hausgeräte GmbH Suction nozzle arrangement and vacuum cleaner
DE102011077275B4 (en) * 2011-06-09 2014-02-20 BSH Bosch und Siemens Hausgeräte GmbH Suction nozzle with bellows
DE102011077293B4 (en) * 2011-06-09 2021-05-06 BSH Hausgeräte GmbH Spring-loaded suction nozzle
US8904595B2 (en) 2011-12-13 2014-12-09 Electrolux Home Care Products, Inc. Vacuum cleaner floor seal
DE102014105124A1 (en) * 2014-04-10 2015-10-15 Miele & Cie. Kg Attachment for floor care device and floor care device with attachment
KR102613447B1 (en) * 2016-07-22 2023-12-14 삼성전자주식회사 Cleaner

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US3765052A (en) * 1972-02-29 1973-10-16 Cons Foods Corp Vacuum cleaner suction tool for cleaning deep pile shag rugs
DE3229754A1 (en) * 1982-08-10 1984-02-16 Siemens AG, 1000 Berlin und 8000 München Vacuum cleaner nozzle for connection to a suction line connected to a vacuum cleaner
DE2846847C2 (en) * 1978-10-27 1985-02-14 Miele & Cie GmbH & Co, 4830 Gütersloh Vacuum cleaner nozzle

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JPS58157422A (en) * 1982-03-16 1983-09-19 松下電器産業株式会社 Power nozzle support apparatus of electric cleaner
JPS5969221U (en) * 1982-10-30 1984-05-10 東急車輌製造株式会社 Suction unit chassis propeller shaft relief device for road sweeping vehicles
DE8335356U1 (en) * 1983-12-09 1984-03-15 Vorwerk & Co Interholding Gmbh, 5600 Wuppertal SUCTION NOZZLE FOR VACUUM CLEANER

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765052A (en) * 1972-02-29 1973-10-16 Cons Foods Corp Vacuum cleaner suction tool for cleaning deep pile shag rugs
DE2846847C2 (en) * 1978-10-27 1985-02-14 Miele & Cie GmbH & Co, 4830 Gütersloh Vacuum cleaner nozzle
DE3229754A1 (en) * 1982-08-10 1984-02-16 Siemens AG, 1000 Berlin und 8000 München Vacuum cleaner nozzle for connection to a suction line connected to a vacuum cleaner

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101862164A (en) * 2009-04-14 2010-10-20 戴森技术有限公司 Cleaner head
WO2010119279A1 (en) * 2009-04-14 2010-10-21 Dyson Technology Limited A cleaner head
US8474094B2 (en) 2009-04-14 2013-07-02 Dyson Technology Limited Cleaner head
US8555462B2 (en) 2009-04-14 2013-10-15 Dyson Technology Limited Cleaner head
US8707514B2 (en) 2009-04-14 2014-04-29 Dyson Technology Limited Cleaner head
EP2418994B1 (en) 2009-04-14 2015-06-17 Dyson Technology Limited A cleaner head
CN101862164B (en) * 2009-04-14 2017-03-01 戴森技术有限公司 Cleaner head
EP2338399A3 (en) * 2009-12-17 2012-06-13 Miele & Cie. KG Floor nozzle for a vacuum cleaner

Also Published As

Publication number Publication date
ES2013739B3 (en) 1990-06-01
US4888850A (en) 1989-12-26
DE3618803A1 (en) 1987-12-10
JPS62286424A (en) 1987-12-12
DE3761608D1 (en) 1990-03-15
JPH0675349U (en) 1994-10-25
JPH084934Y2 (en) 1996-02-14
AU7379787A (en) 1987-12-10
ZA873249B (en) 1988-09-28
ATE50132T1 (en) 1990-02-15
EP0248201B1 (en) 1990-02-07
CA1281513C (en) 1991-03-19

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