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EP0847721A2 - Battery-powered hand-held vacuum cleaner - Google Patents

Battery-powered hand-held vacuum cleaner Download PDF

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Publication number
EP0847721A2
EP0847721A2 EP97121514A EP97121514A EP0847721A2 EP 0847721 A2 EP0847721 A2 EP 0847721A2 EP 97121514 A EP97121514 A EP 97121514A EP 97121514 A EP97121514 A EP 97121514A EP 0847721 A2 EP0847721 A2 EP 0847721A2
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
liquid
handheld vacuum
cleaner according
battery operated
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
EP97121514A
Other languages
German (de)
French (fr)
Other versions
EP0847721B1 (en
EP0847721A3 (en
Inventor
Paul-Gerhard Thomas
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.)
Robert Thomas Metall und Elektrowerke GmbH and Co KG
Original Assignee
Robert Thomas Metall und Elektrowerke GmbH and Co 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 Robert Thomas Metall und Elektrowerke GmbH and Co KG filed Critical Robert Thomas Metall und Elektrowerke GmbH and Co KG
Publication of EP0847721A2 publication Critical patent/EP0847721A2/en
Publication of EP0847721A3 publication Critical patent/EP0847721A3/en
Application granted granted Critical
Publication of EP0847721B1 publication Critical patent/EP0847721B1/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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/24—Hand-supported suction cleaners
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0009—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners with means mounted on the nozzle; nozzles specially adapted for the recovery of liquid
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023—Recovery tanks
    • A47L7/0038—Recovery tanks with means for emptying the tanks

Definitions

  • the invention relates to a battery-operated hand-held vacuum cleaner with a drive part that has a housing to which a handle is molded, and an electric motor for one Blower contains, with a suction part that can be separated from the drive part with an air inlet.
  • Such handheld vacuum cleaners are used for quick and effortless targeted cleaning of any surface Art.
  • EP 0 008 117 B2 describes a dry vacuum that is independent of the mains known, the separable from each other a drive part and a suction part having. There is a handle on the housing of the drive part molded. In the case are an electric one by batteries operated motor arranged for a blower and air outlet openings.
  • the suction part contains a hollow suction housing which has an air inlet and an open end that can be released with snap locks is to be attached to the housing and has a dust bag arrangement, which is arranged between the air inlet and the blower.
  • a handheld vacuum cleaner is only used to pick up granular and dusty components of tables and floors.
  • a mains operated steam suction device is known from EP 0 586 762, in which in the drive part the steam generator with its steam nozzles is arranged.
  • the steam cleaner is only used to vacuum one Liquid.
  • the US 5,507,068 relates to a vacuum cleaner that only one has one-piece housing to which a fresh water and a Waste water tank can be coupled.
  • This vacuum cleaner is also only for Suitable for collecting water or dirty water, since it only has very narrow slot openings 90 and 94. Solid and dry Fabrics cannot be removed with this device.
  • the invention is based on the task of a battery-operated To create hand vacuum cleaner of the type mentioned, both Soak up wet and dry material and also spray Can apply detergent.
  • the drive part a tank for holding a liquid that the Suction part is provided with a spray nozzle for the liquid and that the tank and the spray nozzle connecting separable means for Application of the liquid are provided.
  • a targeted application of the liquid is achieved when the Means for dispensing the liquid a pump to promote the Have liquid that acts as an electrically powered pump or can be designed as a hand pump.
  • a detachable supply of the cleaning agent from the tank to the spray nozzle will reached when the liquid application means a Hose line with located between the drive part and the suction part Have coupling elements.
  • the intake housing of the intake part has a channel for receiving of the hose line, which with a lid for closing of the channel is provided, and if the cover with a receptacle for the part of the coupling element arranged in the intake housing and an opening for the interchangeable reception of the front part of the suction housing, integrated in a nozzle holder Spray nozzle is provided.
  • That the liquid tank during the operation of the hand vacuum cleaner is arranged above the pump can be achieved in that the tank in the part of the drive part facing away from the air inlet, for example arranged in the handle and with a filler neck is provided.
  • a simple operation results when a combined switching element is provided for actuating the motor and the pump, or if the switching element for actuating the motor and the pump separated, but both switching elements in the immediate vicinity of the Handle are arranged.
  • the spray nozzle can have a spray opening for fan-, point or conical application of a cleaning liquid have.
  • the suction nozzle can absorb water favoring geometric structures such as Rubber lips surrounded Have opening. This special suction nozzle causes a low residual moisture remains in the textile floors.
  • the degree of filling of the tank can be determined if it a level indicator for the liquid, for example a Has viewing window.
  • the electric hand vacuum cleaner according to the invention for the cleaning of surfaces of any kind represented the one Drive part 1 and a suction part 2, which are from each other are separable, as can be seen from FIGS. 2 and 3.
  • the Drive part 1 consists of a housing to which a handle 3 is molded.
  • the handle 3 contains a tank 4 for a liquid, for example for a cleaning agent.
  • the tank 4 is to fill through a filler neck 5.
  • the tank 4 display a fill level for the liquid, For example, have a viewing window 33, which also with Markings not shown can be provided.
  • the housing of the drive part 1 takes an electric motor 7 for a blower 8 and batteries 9.
  • a pump 10 is provided, which is electrical can be operated by the batteries 9 or manually.
  • a hose line 11 is attached to the outlet of the pump 10, the other end of which is provided with a coupling element 12.
  • a valve 13 is provided which a Emptying of the tank 4 prevented when uncoupling.
  • the drive part 1 contains two arranged upstream of the blower 8 Air outlet openings 14.
  • One in the area of the handle 3 attached, combined switching element 15 is used alternately or joint actuation of the motor 7 and the pump 10. Instead one combined switching element 15 can also be two Use separate electrical switches.
  • the suction part 2 consists of a hollow suction housing 16, the releasably on the drive part 1 by means of two snap locks 17 is attached.
  • the suction housing 16 has an air inlet 18 and an open end on the drive part 1 for attachment is pushed. Is between the air inlet 18 and the blower 8 a filter element 19 is arranged in front of which there is a water separator 32 is located. This water separator 32 prevents known Way that moisture, for example, from the applied to the ground Detergent liquid gets into the drive part 1.
  • the hollow suction housing 16 has a channel 20 for receiving the Hose line 11, which can be closed by a cover 21.
  • the cover 21 has a receptacle for the in the hollow suction housing 16 located part of the coupling element 22 and a nozzle holder 23 with integrated spray nozzle 24.
  • the handheld vacuum cleaner is equipped with a provided in the front part opening 26.
  • the spray nozzle 24 has a spray opening 27 for fan-shaped, point-shaped or conical Application of the cleaning liquid 28.
  • the spray nozzle 24 produces a satisfactory despite only a slight overpressure Application of the cleaning liquid 28.
  • the tank 4 For operating the battery-operated hand-held vacuum cleaner according to the invention the tank 4 through the opening 5 with a cleaning liquid filled.
  • the suction part 2 is by means of the snap locks 17 attached to the drive part 1.
  • the two parts of the hose line 11 are connected by the coupling elements 12 and 22.
  • the switching element 15 is actuated for suction. Now the detergent are applied, the switching element 15 becomes corresponding actuated so that the pump 10 is driven and the cleaning liquid 28 through the hose 11 through the spray opening 27 of the spray nozzle 24 is sprayed.
  • the pump lever can be operated. If the spray extraction is interrupted, so the valve 25 ensures that the detergent liquid not dripping.
  • the hand vacuum cleaner sucks both dry dirt as well as liquids and the detergent on.
  • the drive part 1 and the suction part 2 when the hand vacuum cleaner is switched off can be separated by opening the snap locks 17. In doing so at the same time the coupling elements connecting the hose line 11 12 and 22 separately, wherein the valve 13 is an expiry of in the tank 4 detergent liquid prevented.
  • FIG. 4 shows a special suction nozzle 29 according to the invention shown, which if necessary in the air inlet 18 of the suction part 2 can be inserted.
  • FIG. 5 shows a top view of the Suction surface of the suction nozzle 29, which has a small opening 30, which is surrounded by two rubber lips 31, so that the only slight Vacuum of the hand vacuum cleaner is reinforced.
  • This special Suction nozzle 29 for cleaning textile and hard, smooth surfaces of all kinds is able to suck in water despite a slight negative pressure, so that only a small residual moisture on the surface remains.
  • the spray nozzle satisfactory output despite only a slight overpressure of the detergent causes a low pressure valve dripping prevents a clutch in the handheld vacuum cleaner for the spray extraction line that the handheld vacuum cleaner is provided is able to suck in water despite low vacuum and / or that the liquid tank is above the pump during operation.

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Electric Suction Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

Die Erfindung betrifft einen batteriebetriebenen Handstaubsauger mit einem Antriebsteil (1), einem davon trennbaren Ansaugteil (2) mit einem Lufteinlaß (18), wobei der Antriebsteil (1) ein Gehäuse aufweist, an das ein Handgriff (3) angeformt ist und das einen elektrischen Motor (7) für ein Gebläse (8) und einen Tank (4) zur Aufnahme einer Flüssigkeit aufnimmt, wobei an dem Ansaugteil (2) eine Sprühdüse (24) angebracht ist und Tank (4) und Sprühdüse (24) verbindenden trennbaren Mittel zur Ausbringung der Flüssigkeit vorgesehen sind, die eine Pumpe (10) zur Förderung der Flüssigkeit, eine Schlauchleitung (11) mit einer zwischen Antriebsteil (1) und Ansaugteil (2) befindlichen Schlauchkupplung (12, 22), ein Nachtropfen der Flüssigkeit verhindernde Mittel (25) und Mittel (13) ein Entleeren des Tanks (4) beim Entkuppeln verhindert aufweisen. Derartige Handstaubsauger dienen zum schnellen und mühelosen gezielten Reinigen von Tischen und Böden.

Figure 00000001
The invention relates to a battery-operated hand-held vacuum cleaner with a drive part (1), a suction part (2) which can be separated therefrom and has an air inlet (18), the drive part (1) having a housing to which a handle (3) is molded and which has an electrical part Motor (7) for a blower (8) and a tank (4) for receiving a liquid, wherein a spray nozzle (24) is attached to the suction part (2) and tank (4) and spray nozzle (24) connecting separable means for Dispensing of the liquid is provided which comprises a pump (10) for conveying the liquid, a hose line (11) with a hose coupling (12, 22) located between the drive part (1) and the suction part (2), means (25) preventing dripping of the liquid ) and means (13) prevent emptying of the tank (4) when uncoupling. Handheld vacuum cleaners of this type are used for the quick and easy targeted cleaning of tables and floors.
Figure 00000001

Description

Die Erfindung betrifft einen batteriebetriebenen Handstaubsauger mit einem Antriebsteil, der ein Gehäuse aufweist, an das ein Handgriff angeformt ist, und der einen elektrischen Motor für ein Gebläse enthält, mit einem von dem Antriebsteil trennbaren Ansaugteil mit einem Lufteinlaß. Derartige Handstaubsauger dienen zum schnellen und mühelosen gezielten Reinigen von Oberflächen jeglicher Art.The invention relates to a battery-operated hand-held vacuum cleaner with a drive part that has a housing to which a handle is molded, and an electric motor for one Blower contains, with a suction part that can be separated from the drive part with an air inlet. Such handheld vacuum cleaners are used for quick and effortless targeted cleaning of any surface Art.

Aus der EP 0 008 117 B2 ist ein netzunabhängiger Trockensauger bekannt, der voneinander trennbar ein Antriebsteil und ein Ansaugteil aufweist. An dem Gehäuse des Antriebsteiles ist ein Handgriff angeformt. In dem Gehäuse sind ein elektrischer durch Batterien betriebener Motor für ein Gebläse und Luftaustrittsöffnungen angeordnet.EP 0 008 117 B2 describes a dry vacuum that is independent of the mains known, the separable from each other a drive part and a suction part having. There is a handle on the housing of the drive part molded. In the case are an electric one by batteries operated motor arranged for a blower and air outlet openings.

Der Ansaugteil enthält ein hohles Ansauggehäuse, das einen Lufteinlaß und ein offenes Ende, das mittels Schnappverschlüsse lösbar am Gehäuse zu befestigen ist, und eine Staubsackanordnung aufweist, die zwischen dem Lufteinlaß und dem Gebläse angeordnet ist. Ein derartiger Handstaubsauger dient lediglich zum Aufsaugen körniger und staubförmiger Bestandteile von Tischen und Böden.The suction part contains a hollow suction housing which has an air inlet and an open end that can be released with snap locks is to be attached to the housing and has a dust bag arrangement, which is arranged between the air inlet and the blower. A Such a handheld vacuum cleaner is only used to pick up granular and dusty components of tables and floors.

In der EP 0 357 189 ist zwar ein netzunabhängiger Naß-Trockensauger beschrieben, bei dem der Ansaugteil zur Abscheidung von Flüssigkeiten eine Aufprallplatte aufweist. Reinigungsmittel sind jedoch separat aufzubringen. In EP 0 357 189 there is indeed a network-independent wet and dry vacuum cleaner described, in which the suction part for the separation of liquids has an impact plate. However, detergents are to be applied separately.

Aus der EP 0 586 762 ist ein netzbetriebener Dampfsauger bekannt, bei dem im Antriebsteil der Dampferzeuger mit seinen Dampfdüsen angeordnet ist. Der Dampfsauger dient lediglich zum Aufsaugen einer Flüssigkeit.A mains operated steam suction device is known from EP 0 586 762, in which in the drive part the steam generator with its steam nozzles is arranged. The steam cleaner is only used to vacuum one Liquid.

Die US 5,507,068 betrifft einen Waschsauger, der lediglich ein einteiliges Gehäuse aufweist, an das ein Frischwasser- und ein Abwassertank ankoppelbar sind. Auch dieser Waschsauger ist nur zum Auffangen von Wasser bzw. Schmutzwasser geeignet, da er lediglich sehr schmale Schlitzöffnungen 90 und 94 aufweist. Feste und trockene Stoffe lassen sich mit dieser Vorrichtung nicht entfernen.The US 5,507,068 relates to a vacuum cleaner that only one has one-piece housing to which a fresh water and a Waste water tank can be coupled. This vacuum cleaner is also only for Suitable for collecting water or dirty water, since it only has very narrow slot openings 90 and 94. Solid and dry Fabrics cannot be removed with this device.

Die Erfindung geht von der Aufgabe aus, einen batteriebetriebenen Handstaubsauger der eingangs genannten Art zu schaffen, der sowohl Nässe als auch Trockenmaterial aufsaugen und zusätzlich sprühend Reinigungsmittel aufbringen kann.The invention is based on the task of a battery-operated To create hand vacuum cleaner of the type mentioned, both Soak up wet and dry material and also spray Can apply detergent.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Antriebsteil einen Tank zur Aufnahme einer Flüssigkeit enthält, daß der Ansaugteil mit einer Sprühdüse für die Flüssigkeit versehen ist und daß der Tank und die Sprühdüse verbindende trennbare Mittel zur Ausbringung der Flüssigkeit vorgesehen sind. Dadurch wird erreicht, daß mittels des batteriebetriebenen Handstaubsaugers zur Reinigung von Flächen neben der normalen Saugwirkung ein Reinigungsmittel aufgebracht werden kann, daß die Reinigungswirkung des Handstaubsaugers verstärkt.The object is achieved in that the drive part a tank for holding a liquid that the Suction part is provided with a spray nozzle for the liquid and that the tank and the spray nozzle connecting separable means for Application of the liquid are provided. This ensures that by means of the battery operated handheld vacuum cleaner for cleaning of surfaces in addition to the normal suction effect a cleaning agent can be applied that the cleaning effect of the hand vacuum cleaner reinforced.

Eine gezielte Ausbringung der Flüssigkeit wird erreicht, wenn die Mittel zur Ausbringung der Flüssigkeit eine Pumpe zur Förderung der Flüssigkeit aufweisen, die als eine elektrisch betriebene Pumpe oder als eine Handpumpe ausgebildet sein kann.A targeted application of the liquid is achieved when the Means for dispensing the liquid a pump to promote the Have liquid that acts as an electrically powered pump or can be designed as a hand pump.

Eine lösbare Zufuhr des Reinigungsmittel vom Tank zur Sprühdüse wird erreicht, wenn die Mittel zur Ausbringung der Flüssigkeit eine Schlauchleitung mit zwischen Antriebsteil und Ansaugteil befindlichen Kupplungselementen aufweisen.A detachable supply of the cleaning agent from the tank to the spray nozzle will reached when the liquid application means a Hose line with located between the drive part and the suction part Have coupling elements.

Es hat sich als vorteilhaft erwiesen, wenn die Mittel zur Ausbringung der Flüssigkeit und/oder die Kupplung ein Nachtropfen verhindernde Mittel aufweisen, die ein Entleeren des Tanks beim Entkuppeln verhindert.It has proven advantageous if the means of application the liquid and / or the coupling to prevent dripping Have means that emptying the tank when uncoupling prevented.

Eine problemlose Unterbringung der Flüssigkeitszufuhr wird erreicht, wenn das Ansauggehäuse des Ansaugteiles einen Kanal zur Aufnahme der Schlauchleitung aufweist, das mit einem Deckel zum Verschließen des Kanals versehen ist, und wenn der Deckel mit einer Aufnahme für den im Ansauggehäuse angeordneten Teil des Kupplungselementes sowie einer Öffnung zur ggf. auswechselbaren Aufnahme der im vorderen Teil des Ansauggehäuses befindlichen, in einem Düsenhalter integrierten Sprühdüse versehen ist.A problem-free accommodation of the fluid supply is achieved if the intake housing of the intake part has a channel for receiving of the hose line, which with a lid for closing of the channel is provided, and if the cover with a receptacle for the part of the coupling element arranged in the intake housing and an opening for the interchangeable reception of the front part of the suction housing, integrated in a nozzle holder Spray nozzle is provided.

Daß der Flüssigkeitstank während des Betrieb des Handstaubsaugers oberhalb der Pumpe angeordnet ist, läßt sich dadurch erreichen, daß der Tank in dem dem Lufteinlaß abgewandten Teil des Antriebsteiles, beispielsweise in dem Handgriff angeordnet und mit einem Einfüllstutzen versehen ist.That the liquid tank during the operation of the hand vacuum cleaner is arranged above the pump can be achieved in that the tank in the part of the drive part facing away from the air inlet, for example arranged in the handle and with a filler neck is provided.

Eine einfache Betätigung ergibt sich, wenn ein kombiniertes Schaltelement zur Betätigung des Motors und der Pumpe vorgesehen ist, oder wenn das Schaltelement zur Betätigung des Motors und der Pumpe getrennt, aber beide Schaltelemente in unmittelbarer Nähe des Handgriffs angeordnet sind.A simple operation results when a combined switching element is provided for actuating the motor and the pump, or if the switching element for actuating the motor and the pump separated, but both switching elements in the immediate vicinity of the Handle are arranged.

Erfindungsgemäß kann die Sprühdüse eine Sprühöffnung zur fächer-, punkt- oder kegelförmigen Ausbringung einer Reinigungsflüssigkeit besitzen. According to the invention, the spray nozzle can have a spray opening for fan-, point or conical application of a cleaning liquid have.

Es hat sich als vorteilhaft erwiesen, wenn in den Lufteinlaß eine Saugdüse einsteckbar ist, die derart ausgebildet ist, daß sie trotz geringem Unterdruck Wasser anzusaugen vermag, so daß nur eine geringe Restfeuchte auf der zu reinigenden Oberfläche verbleibt. Erfindungsgemäß kann dabei die Saugdüse eine von die Wasseraufnahme begünstigenden geometrischen Gebilden wie z.B. Gummilippen umgebene Öffnung aufweisen. Diese spezielle Saugdüse bewirkt, daß eine geringe Restfeuchte in den Textilböden bleibt.It has proven to be advantageous if one in the air inlet Suction nozzle can be inserted, which is designed such that it despite low vacuum can suck water, so that only one low residual moisture remains on the surface to be cleaned. According to the invention, the suction nozzle can absorb water favoring geometric structures such as Rubber lips surrounded Have opening. This special suction nozzle causes a low residual moisture remains in the textile floors.

Beim Befüllen des Tankes sowie beim Ausbringen der Reinigungsflüssigkeit läßt sich der Befüllungsgrad des Tanks ermitteln, wenn er eine Füllstandsanzeige für die Flüssigkeit, beispielsweise ein Sichtfenster aufweist.When filling the tank and when applying the cleaning liquid the degree of filling of the tank can be determined if it a level indicator for the liquid, for example a Has viewing window.

Die Erfindung ist nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert. Es zeigen:

Figur 1
Gesamtansicht des batteriebetriebenen Handstaubsaugers,
Figur 2
den Antriebsteil,
Figur 3
den Ansaugteil des Handstaubsaugers gemäß Figur 1 und
Figur 4 und 5
Ansichten einer erfindungsgemäßen Saugdüse für den Handstaubsauger gemäß Figur 1.
The invention is explained below with reference to an embodiment shown in the drawing. Show it:
Figure 1
General view of the battery operated handheld vacuum cleaner,
Figure 2
the drive part,
Figure 3
the suction part of the handheld vacuum cleaner according to Figure 1 and
Figures 4 and 5
Views of a suction nozzle according to the invention for the hand-held vacuum cleaner according to FIG. 1.

In Figur 1 ist der erfindungsgemäße elektrische Handstaubsauger für die Reinigung von Oberflächen jeglicher Art dargestellt, der einen Antriebsteil 1 und einen Ansaugteil 2 aufweist, die voneinander trennbar sind, wie anhand der Figuren 2 und 3 zu sehen ist. Der Antriebsteil 1 besteht aus einem Gehäuse, an das ein Handgriff 3 angeformt ist. Der Handgriff 3 enthält einen Tank 4 für eine Flüssigkeit, beispielsweise für ein Reinigungsmittel. Der Tank 4 ist über einen Einfüllstutzen 5 zu befüllen. Zur Erkennung des Füllungsgrades kann der Tank 4 eine Füllstandsanzeige für die Flüssigkeit, beispielsweise ein Sichtfenster 33 aufweisen, das zusätzlich mit nicht dargestellten Markierungen versehen sein kann. An dem Tank 4 ist eine Öffnung 6 zur Entnahme des Reinigungsmittels angeformt. Das Gehäuse des Antriebsteiles 1 nimmt einen elektrischen Motor 7 für ein Gebläse 8 und Batterien 9 auf. Zur Entnahme des Reinigungsmittels über die Öffnung 6 ist eine Pumpe 10 vorgesehen, die elektrisch durch die Batterien 9 oder manuell betrieben sein kann.In Figure 1, the electric hand vacuum cleaner according to the invention for the cleaning of surfaces of any kind represented the one Drive part 1 and a suction part 2, which are from each other are separable, as can be seen from FIGS. 2 and 3. Of the Drive part 1 consists of a housing to which a handle 3 is molded. The handle 3 contains a tank 4 for a liquid, for example for a cleaning agent. The tank 4 is to fill through a filler neck 5. To detect the degree of filling can the tank 4 display a fill level for the liquid, For example, have a viewing window 33, which also with Markings not shown can be provided. On the tank 4, an opening 6 is formed for removing the cleaning agent. The housing of the drive part 1 takes an electric motor 7 for a blower 8 and batteries 9. To remove the detergent Via the opening 6, a pump 10 is provided, which is electrical can be operated by the batteries 9 or manually.

An den Auslaß der Pumpe 10 ist eine Schlauchleitung 11 angebracht, deren anderes Ende mit einem Kupplungselement 12 versehen ist. In dem Kupplungselement 12 ist ein Ventil 13 vorgesehen, das ein Entleeren des Tanks 4 beim Entkuppeln verhindert.A hose line 11 is attached to the outlet of the pump 10, the other end of which is provided with a coupling element 12. In the coupling element 12, a valve 13 is provided which a Emptying of the tank 4 prevented when uncoupling.

Der Antriebsteil 1 enthält zwei stromaufwärts vom Gebläse 8 angeordnete Luftaustrittsöffnungen 14. Ein im Bereich des Handgriffs 3 angebrachtes, kombiniertes Schaltelement 15 dient zur wechselweise oder gemeinsamen Betätigung des Motors 7 und der Pumpe 10. Anstelle des einen kombinierten Schaltelements 15 lassen sich auch zwei getrennte elektrische Schalter verwenden.The drive part 1 contains two arranged upstream of the blower 8 Air outlet openings 14. One in the area of the handle 3 attached, combined switching element 15 is used alternately or joint actuation of the motor 7 and the pump 10. Instead one combined switching element 15 can also be two Use separate electrical switches.

Der Ansaugteil 2 besteht aus einem hohlen Ansauggehäuse 16, das mittels zweier Schnappverschlüsse 17 lösbar an dem Antriebsteil 1 befestigt ist. Das Ansauggehäuse 16 weist einen Lufteinlaß 18 und ein offenes Ende auf, das über den Antriebsteil 1 zur Befestigung geschoben wird. Zwischen dem Lufteinlaß 18 und dem Gebläse 8 ist ein Filterelement 19 angeordnet, vor dem sich ein Wasserabscheider 32 befindet. Dieser Wasserabscheider 32 verhindert in bekannter Weise, daß Feuchtigkeit beispielsweise von der auf den Boden ausgebrachten Reinigungsmittelflüssigkeit in den Antriebsteil 1 gelangt.The suction part 2 consists of a hollow suction housing 16, the releasably on the drive part 1 by means of two snap locks 17 is attached. The suction housing 16 has an air inlet 18 and an open end on the drive part 1 for attachment is pushed. Is between the air inlet 18 and the blower 8 a filter element 19 is arranged in front of which there is a water separator 32 is located. This water separator 32 prevents known Way that moisture, for example, from the applied to the ground Detergent liquid gets into the drive part 1.

Das hohle Ansauggehäuse 16 weist einen Kanal 20 zur Aufnahme der Schlauchleitung 11 auf, der durch einen Deckel 21 verschließbar ist. Der Deckel 21 besitzt eine Aufnahme für den im hohlen Ansauggehäuse 16 gelegenen Teil des Kupplungselementes 22 sowie einen Düsenhalter 23 mit integrierter Sprühdüse 24. In der Schlauchleitung 11 ist zwischen dem Kupplungselement 22 und Sprühdüse 24 ein Ventil 25 angeordnet, das nur für niedrigen Druck ausgelegt sein muß und ein Nachtropfen der Reinigungsflüssigkeit verhindert.The hollow suction housing 16 has a channel 20 for receiving the Hose line 11, which can be closed by a cover 21. The cover 21 has a receptacle for the in the hollow suction housing 16 located part of the coupling element 22 and a nozzle holder 23 with integrated spray nozzle 24. In the hose 11 is a valve 25 between the coupling element 22 and spray nozzle 24 arranged, which must be designed only for low pressure and a Dripping of the cleaning liquid prevented.

Zur Auswechslung der Sprühdüse 24 ist der Handstaubsauger mit einer im vorderen Teil befindlichen Öffnung 26 versehen. Die Sprühdüse 24 besitzt eine Sprühöffnung 27 zur fächer-, punkt- oder kegelförmigen Ausbringung der Reinigungsflüssigkeit 28. Die Sprühdüse 24 bewirkt trotz eines nur geringen Überdrucks eine zufriedenstellende Ausbringung der Reinigungsflüssigkeit 28.To replace the spray nozzle 24, the handheld vacuum cleaner is equipped with a provided in the front part opening 26. The spray nozzle 24 has a spray opening 27 for fan-shaped, point-shaped or conical Application of the cleaning liquid 28. The spray nozzle 24 produces a satisfactory despite only a slight overpressure Application of the cleaning liquid 28.

Zum Betrieb des erfindungsgemäßen batteriebetriebenen Handstaubsaugers wird der Tank 4 durch die Öffnung 5 mit einer Reinigungsflüssigkeit gefüllt. Der Ansaugteil 2 ist mittels der Schnappverschlüsse 17 an dem Antriebsteil 1 befestigt. Die beiden Teile der Schlauchleitung 11 sind durch die Kupplungselemente 12 und 22 verbunden. Zum Saugen wird das Schaltelement 15 betätigt. Soll nun das Reinigungsmittel ausgebracht werden, so wird das Schaltelement 15 entsprechend betätigt, so daß die Pumpe 10 angetrieben und die Reinigungsflüssigkeit 28 über die Schlauchleitung 11 durch die Sprühöffnung 27 der Sprühdüse 24 versprüht wird. Bei Verwendung einer Handpumpe anstelle der elektrischen Pumpe 10 muß zur Sprühextraktion der Pumpenhebel betätigt werden. Wird die Sprühextraktion unterbrochen, so sorgt das Ventil 25 dafür, daß die Reinigungsmittelflüssigkeit nicht nachtropft. Der Handstaubsauger saugt sowohl den trockenen Schmutz als auch Flüssigkeiten sowie das Reinigungsmittel auf.For operating the battery-operated hand-held vacuum cleaner according to the invention the tank 4 through the opening 5 with a cleaning liquid filled. The suction part 2 is by means of the snap locks 17 attached to the drive part 1. The two parts of the hose line 11 are connected by the coupling elements 12 and 22. The switching element 15 is actuated for suction. Now the detergent are applied, the switching element 15 becomes corresponding actuated so that the pump 10 is driven and the cleaning liquid 28 through the hose 11 through the spray opening 27 of the spray nozzle 24 is sprayed. When using a Hand pump instead of the electric pump 10 must be used for spray extraction the pump lever can be operated. If the spray extraction is interrupted, so the valve 25 ensures that the detergent liquid not dripping. The hand vacuum cleaner sucks both dry dirt as well as liquids and the detergent on.

Zum Entleeren des Filterelements 19 können der Antriebsteil 1 und der Ansaugteil 2 bei abgeschalteten Handstaubsauger voneinander durch Öffnen der Schnappverschlüsse 17 getrennt werden. Dabei werden gleichzeitig die die Schlauchleitung 11 verbindenden Kupplungselemente 12 und 22 getrennt, wobei das Ventil 13 ein Auslaufen der im Tank 4 befindlichen Reinigungsmittelflüssigkeit verhindert.To empty the filter element 19, the drive part 1 and the suction part 2 when the hand vacuum cleaner is switched off can be separated by opening the snap locks 17. In doing so at the same time the coupling elements connecting the hose line 11 12 and 22 separately, wherein the valve 13 is an expiry of in the tank 4 detergent liquid prevented.

In der Figur 4 ist eine spezielle erfindungsgemäße Saugdüse 29 dargestellt, die bei Bedarf in den Lufteinlaß 18 des Ansaugteiles 2 gesteckt werden kann. Die Figur 5 zeigt eine Draufsicht auf die Saugfläche der Saugdüse 29, die eine kleine Öffnung 30 aufweist, die von Zwei Gummilippen 31 umgeben ist, so daß der nur geringe Unterdruck des Handstaubsaugers verstärkt wird. Diese spezielle Saugdüse 29 zur Reinigung von textilen und harten, glatten Oberflächen aller Art vermag trotz geringem Unterdruck Wasser anzusaugen, so daß lediglich nur eine geringe Restfeuchte auf der Oberfläche verbleibt.FIG. 4 shows a special suction nozzle 29 according to the invention shown, which if necessary in the air inlet 18 of the suction part 2 can be inserted. FIG. 5 shows a top view of the Suction surface of the suction nozzle 29, which has a small opening 30, which is surrounded by two rubber lips 31, so that the only slight Vacuum of the hand vacuum cleaner is reinforced. This special Suction nozzle 29 for cleaning textile and hard, smooth surfaces of all kinds is able to suck in water despite a slight negative pressure, so that only a small residual moisture on the surface remains.

Erfindungswesentlich an dem batteriebetriebenen Handstaubsauger ist, daß bei einem derartigen Handstaubsauger Reinigungsflüssigkeit auf zu saugende Flächen aufgebracht werden kann, wobei die Sprühdüse trotz eines nur geringen Überdrucks zufriedenstellende Ausbringung des Reinigungsmittels bewirkt, daß ein Ventil für niedrigen Druck das Nachtropfen verhindert, daß eine Kupplung im Handstaubsauger für die Sprühextraktionsleitung vorgesehen ist, daß der Handstaubsauger trotz geringem Unterdrucks Wasser anzusaugen vermag und/oder daß der Flüssigkeitstank im Betrieb oberhalb der Pumpe liegt. Essential to the invention on the battery-operated hand-held vacuum cleaner, that with such a hand vacuum cleaner cleaning liquid surfaces to be sucked can be applied, the spray nozzle satisfactory output despite only a slight overpressure of the detergent causes a low pressure valve dripping prevents a clutch in the handheld vacuum cleaner for the spray extraction line that the handheld vacuum cleaner is provided is able to suck in water despite low vacuum and / or that the liquid tank is above the pump during operation.

BezugszeichenlisteReference list

11
AntriebsteilDrive part
22nd
AnsaugteilIntake part
33rd
HandgriffHandle
44th
Tanktank
55
EinfüllstutzenFiller neck
66
Öffnungopening
77
Motorengine
88th
Gebläsefan
99
BatterienBatteries
1010th
Pumpepump
1111
SchlauchleitungHose line
1212th
KupplungselementCoupling element
1313
VentilValve
1414
LuftaustrittsöffnungenAir outlet openings
1515
SchaltelementSwitching element
1616
AnsauggehäuseIntake housing
1717th
SchnappverschlüsseSnap locks
1818th
LufteinlaßAir intake
1919th
FilterelementFilter element
2020th
Kanalchannel
2121
Deckelcover
2222
KupplungselementCoupling element
2323
DüsenhalterNozzle holder
2424th
SprühdüseSpray nozzle
2525th
VentilValve
2626
Öffnungopening
2727
SprühöffnungSpray opening
2828
ReinigungsflüssigkeitCleaning fluid
2929
SaugdüseSuction nozzle
3030th
Öffnungopening
3131
GummilippenRubber lips
3232
WasserabscheiderWater separator
3333
SichtfensterViewing window

Claims (16)

Batteriebetriebener Handstaubsauger mit einem Antriebsteil (1), der ein Gehäuse aufweist, an das ein Handgriff (3) angeformt ist, und der einen Tank (4) zur Aufnahme einer Flüssigkeit und einen elektrischen Motor (7) für ein Gebläse (8) enthält, mit einem von dem Antriebsteil (1) trennbaren Ansaugteil (2), der mit einem Lufteinlaß (18) und einer Sprühdüse (24) für die Flüssigkeit versehen ist, und
mit den Tank (4) und die Sprühdüse (24) verbindenden trennbaren Mittel zur Ausbringung der Flüssigkeit.Battery-operated handheld vacuum cleaner with a drive part (1), which has a housing to which a handle (3) is molded, and which contains a tank (4) for holding a liquid and an electric motor (7) for a blower (8), with a suction part (2) which can be separated from the drive part (1) and which is provided with an air inlet (18) and a spray nozzle (24) for the liquid, and
with the tank (4) and the spray nozzle (24) connecting separable means for dispensing the liquid. Batteriebetriebener Handstaubsauger nach Anspruch 1,
dadurch gekennzeichnet,
daß die Mittel zur Ausbringung der Flüssigkeit eine Pumpe (10) zur Förderung der Flüssigkeit aufweisen.Battery operated handheld vacuum cleaner according to claim 1,
characterized,
that the means for dispensing the liquid have a pump (10) for conveying the liquid. Batteriebetriebener Handstaubsauger nach Anspruch 2,
dadurch gekennzeichnet,
daß die Pumpe (10) eine elektrisch betriebene Pumpe ist.Battery operated handheld vacuum cleaner according to claim 2,
characterized,
that the pump (10) is an electrically operated pump. Batteriebetriebener Handstaubsauger nach Anspruch 2,
dadurch gekennzeichnet,
daß die Pumpe (10) eine Handpumpe ist. Battery operated handheld vacuum cleaner according to claim 2,
characterized,
that the pump (10) is a hand pump. Batteriebetriebener Handstaubsauger nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die Mittel zur Ausbringung der Flüssigkeit eine Schlauchleitung (11) mit zwischen Antriebsteil (1) und Ansaugteil (2) befindlichen Kupplungselementen (12, 22) aufweist.Battery operated handheld vacuum cleaner according to one of claims 1 to 4,
characterized,
that the means for dispensing the liquid has a hose line (11) with coupling elements (12, 22) located between the drive part (1) and the suction part (2). Batteriebetriebener Handstaubsauger nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
daß die Mittel zur Ausbringung der Flüssigkeit deren Nachtropfen verhindernde Mittel (25) aufweisen.Battery operated handheld vacuum cleaner according to one of claims 1 to 5,
characterized,
that the means for dispensing the liquid have dripping preventing means (25). Batteriebetriebener Handstaubsauger nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
daß die Kupplungselemente (12, 22) Mittel (13) enthalten, die ein Entleeren des Tanks (4) beim Entkuppeln verhindert.Battery operated handheld vacuum cleaner according to one of claims 1 to 6,
characterized,
that the coupling elements (12, 22) contain means (13), which prevents emptying of the tank (4) when uncoupling. Batteriebetriebener Handstaubsauger nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet,
daß das Ansauggehäuse (16) des Ansaugteiles (2) einen Kanal (20) zur Aufnahme der Schlauchleitung (11) aufweist, das mit einem Deckel (21) zum Verschließen des Kanals (20) versehen ist, und daß der Deckel (21) mit einer Aufnahme für den im Ansauggehäuse (16) angeordneten Teil des Kupplungselementes (22) sowie einer Öffnung (26) zur ggf. auswechselbaren Aufnahme der im vorderen Teil des Ansauggehäuses (16) befindlichen, in einem Düsenhalter (23) integrierten Sprühdüse (24) versehen ist. Battery operated handheld vacuum cleaner according to one of claims 1 to 7,
characterized,
that the suction housing (16) of the suction part (2) has a channel (20) for receiving the hose line (11), which is provided with a cover (21) for closing the channel (20), and that the cover (21) with Provide a receptacle for the part of the coupling element (22) arranged in the suction housing (16) and an opening (26) for the interchangeable reception of the spray nozzle (24) integrated in a nozzle holder (23) located in the front part of the suction housing (16) is. Batteriebetriebener Handstaubsauger nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet,
daß der Tank (4) in dem dem Lufteinlaß (18) abgewandten Teil des Antriebsteiles (1) angeordnet und mit einem Einfüllstutzen (5) versehen ist.Battery operated handheld vacuum cleaner according to one of claims 1 to 8,
characterized,
that the tank (4) is arranged in the part of the drive part (1) facing away from the air inlet (18) and is provided with a filler neck (5). Batteriebetriebener Handstaubsauger nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet,
daß der Tank (4) im Bereich des Handgriffes (3) angeordnet ist.Battery operated handheld vacuum cleaner according to one of claims 1 to 9,
characterized,
that the tank (4) is arranged in the region of the handle (3). Batteriebetriebener Handstaubsauger nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet,
daß ein kombiniertes Schaltelement (15) bzw. zwei Schaltelemente oder aber ein Schaltelement und ein mechanisches Betätigungselement zur Betätigung des Motors (7) und der Pumpe (10) vorgesehen ist.Battery operated handheld vacuum cleaner according to one of claims 1 to 10,
characterized,
that a combined switching element (15) or two switching elements or a switching element and a mechanical actuating element for actuating the motor (7) and the pump (10) is provided. Batteriebetriebener Handstaubsauger nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet,
daß die Sprühdüse (24) eine Sprühöffnung (27) zur fächer-, punkt- oder kegelförmigen Ausbringung einer Reinigungsflüssigkeit (28) besitzt.Battery operated handheld vacuum cleaner according to one of claims 1 to 11,
characterized,
that the spray nozzle (24) has a spray opening (27) for fan, point or conical application of a cleaning liquid (28). Batteriebetriebener Handstaubsauger nach einem der Ansprüche 1 bis 12,
dadurch gekennzeichnet,
daß in den Lufteinlaß (18) eine Saugdüse (29) einsteckbar ist, die derart ausgebildet ist, daß sie trotz geringem Unterdruck Wasser anzusaugen vermag, so daß nur eine geringe Restfeuchte auf der zu reinigenden Oberfläche verbleibt. Battery operated handheld vacuum cleaner according to one of claims 1 to 12,
characterized,
that a suction nozzle (29) can be inserted into the air inlet (18), which is designed in such a way that it can suck in water despite a slight negative pressure, so that only a small residual moisture remains on the surface to be cleaned. Batteriebetriebener Handstaubsauger nach Anspruch 13,
dadurch gekennzeichnet,
daß die Saugdüse (29) eine von Gummilippen (31) umgebene Öffnung (30) aufweist.Battery operated handheld vacuum cleaner according to claim 13,
characterized,
that the suction nozzle (29) has an opening (30) surrounded by rubber lips (31). Batteriebetriebener Handstaubsaugern nach einem der Ansprüche 1 bis 14,
dadurch gekennzeichnet,
daß der Tank (4) eine Füllstandsanzeige (33) für die Flüssigkeit aufweist.Battery operated handheld vacuum cleaners according to one of claims 1 to 14,
characterized,
that the tank (4) has a level indicator (33) for the liquid. Batteriebetriebener Handstaubsauger nach Anspruch 15,
dadurch gekennzeichnet,
daß die Füllstandsanzeige für die Flüssigkeit ein Sichtfenster (33) aufweist.Battery operated handheld vacuum cleaner according to claim 15,
characterized,
that the level indicator for the liquid has a viewing window (33).
EP97121514A 1996-12-11 1997-12-06 Battery-powered hand-held vacuum cleaner Expired - Lifetime EP0847721B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19651477 1996-12-11
DE19651477A DE19651477C2 (en) 1996-12-11 1996-12-11 Electric handheld vacuum cleaner

Publications (3)

Publication Number Publication Date
EP0847721A2 true EP0847721A2 (en) 1998-06-17
EP0847721A3 EP0847721A3 (en) 1999-11-03
EP0847721B1 EP0847721B1 (en) 2003-03-19

Family

ID=7814360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97121514A Expired - Lifetime EP0847721B1 (en) 1996-12-11 1997-12-06 Battery-powered hand-held vacuum cleaner

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Country Link
US (1) US5970572A (en)
EP (1) EP0847721B1 (en)
DE (2) DE19651477C2 (en)

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DE19651477C2 (en) 2000-07-20
US5970572A (en) 1999-10-26
DE59709559D1 (en) 2003-04-24
DE19651477A1 (en) 1998-06-18
EP0847721B1 (en) 2003-03-19
EP0847721A3 (en) 1999-11-03

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