EP2330961A1 - Vacuum cleaner hose and hose seat for a vacuum cleaner with increased suction - Google Patents

Vacuum cleaner hose and hose seat for a vacuum cleaner with increased suction

Info

Publication number
EP2330961A1
EP2330961A1 EP09781443A EP09781443A EP2330961A1 EP 2330961 A1 EP2330961 A1 EP 2330961A1 EP 09781443 A EP09781443 A EP 09781443A EP 09781443 A EP09781443 A EP 09781443A EP 2330961 A1 EP2330961 A1 EP 2330961A1
Authority
EP
European Patent Office
Prior art keywords
hose
vacuum cleaner
coupling
attachment
tube
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
EP09781443A
Other languages
German (de)
French (fr)
Other versions
EP2330961B1 (en
Inventor
Alexander Flegler
Silvio Hamm
André Michaelis
Florian Schmitt
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2330961A1 publication Critical patent/EP2330961A1/en
Application granted granted Critical
Publication of EP2330961B1 publication Critical patent/EP2330961B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • 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
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • 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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings

Definitions

  • the invention relates to a vacuum cleaner hose, which is equipped at its one end with a vacuum cleaner coupling for connecting the vacuum cleaner hose to a suction opening of a vacuum generating vacuum cleaner unit and at its other end with a top coupling for connection to a hose attachment. Further, the invention relates to a tubular hose attachment which is provided at its one end with a hose coupling for connecting a vacuum cleaner hose and at its other end has a suction opening, wherein the pipe inner diameter of the hose attachment is larger at the hose coupling than at the on-mammal opening.
  • the invention also relates to a vacuum cleaner tube which is equipped at one end with a hose attachment coupling for connection to a tubular hose attachment and which has a suction opening at its other end.
  • the invention relates to a system comprising at least two elements from the group of elements, comprising: a generic vacuum cleaner hose, a generic tubular hose attachment and a generic vacuum cleaner tube.
  • Vacuum cleaners are known from the prior art, for example the BSGL42223 device marketed under the BOSCH brand, in which a vacuum cleaning unit which can be parked on the floor or can be rolled on the floor generates a negative pressure and is equipped with a suction opening.
  • a vacuum cleaner hose equipped with a corresponding vacuum cleaner coupling can be coupled to the suction opening of the vacuum cleaning unit.
  • the vacuum cleaner hose is equipped with an attachment coupling to him to a - -
  • Hose attachment with a suction port to connect is generally tubular and may be e.g. a cushion brush or a crevice nozzle.
  • a vacuum cleaner tube which in turn has a suction opening, which, for. wearing a brush.
  • the hose attachment is generally designed as a handle so that it can be grasped by the hand to guide the vacuum cleaner tube.
  • Vacuum cleaner hoses are generally cylindrical in shape with a uniform diameter over the entire length of 32 mm.
  • a vacuum cleaner with the type designation VS 08 is offered, whose hose is slightly conical, whereby the hose diameter in the area of the attachment coupling is about 32 mm and in the area of the vacuum cleaner coupling about 38 mm.
  • US Pat. No. 1,892,382 discloses a vacuum cleaner with a vacuum cleaner hose which connects the vacuum cleaner to a hose attachment and whose cross-section increases from the hose attachment to the vacuum cleaner, the cross-sectional increase being substantially uniform over the length of the hose.
  • the German Utility Model DE 20 2006 002 975 U1 discloses a conical vacuum cleaner hose, wherein the hose is made of hydrolysis and ozone-resistant polyurethane. For production, it is proposed to create a constricted area on an extruded tube by partially holding it.
  • German utility model DE 296 17 752 U1 discloses a hose combination of a first hose and a second hose of smaller diameter, which is to be used in particular as a suction hose in a vacuum cleaner.
  • the second tube is attached along a common line of contact to the inside of the wall of the first tube.
  • the first tube widens conically from one end to its other end.
  • the invention has for its object to provide an improved vacuum cleaner hose for connection to a vacuum cleaner unit. You are also the
  • the object of the invention is achieved in the generic vacuum cleaner hose characterized in that the hose inner diameter of the vacuum cleaner coupling is at least 40 mm.
  • the object is also achieved in the generic tube-like hose attachment in that the pipe inside diameter at the hose coupling of the hose attachment is at least 32 millimeters (mm). Further, the object is achieved in the gettungsten vacuum cleaner tube in that the pipe inner diameter of the vacuum cleaner tube is larger at the hose attachment coupling than at the suction opening of the vacuum cleaner tube.
  • a system which comprises at least two elements from the group of elements, comprising: a generic vacuum cleaner hose whose hose inside diameter at the vacuum cleaner coupling is at least 40 mm, a generic tubular hose attachment whose pipe inside diameter at the hose coupling is at least 32 mm, and a vacuum cleaner pipe, the pipe inside diameter at the hose attachment coupling is larger than at the suction opening of the vacuum cleaner tube.
  • the hose attachment can also be handled by the user in vacuum cleaners with a higher suction power, without these handling factors being at the expense of the energy efficiency of the vacuum cleaner.
  • the vacuum cleaner hose according to the invention and / or the hose attachment according to the invention are preferably used with vacuum cleaners which can achieve a suction power of greater than or equal to 54 l / sec, particularly preferably greater than or equal to 50 l / sec.
  • the invention is based on the consideration that a suction hose is preferably not smooth on its inside, but provided with a wave profile to ensure sufficient flexibility of the suction hose.
  • this wave profile can adversely affect the flow behavior in the hose and in particular lead to a relatively high flow resistance at higher suction rates, which in turn can drive the energy required to achieve the required suction in the air.
  • the invention is also based inter alia on the consideration that can be reduced by increasing the diameter of the flow resistance and thus the energy consumption can be reduced.
  • a large hose diameter can affect the handling of the tubular hose attachment, as it can no longer be so easily covered by the hand of a user with larger diameters.
  • the vacuum cleaner hose on the one hand has a sufficiently enlarged compared to conventional vacuum cleaners diameter to keep the increased energy expenditure within limits, on the other hand, however, ensures sufficient handling of the hose attachment.
  • the preferred vacuum cleaner hose has a circular cross-section.
  • vacuum cleaners with a non-circular cross-section are also covered by the invention. In this case is below the diameter of the non-circular - -
  • Hose cross section to withstand the circle diameter of a hypothetical tube having the same flow resistance.
  • the hose inner diameter at the vacuum cleaner coupling is larger than at the attachment coupling.
  • the hose inner diameter is smaller at any point than at the attachment coupling.
  • the inner tube diameter is not larger at any point than at the vacuum cleaner coupling.
  • the hose inner diameter of the attachment coupling of the vacuum cleaner hose to the vacuum cleaner coupling increases substantially steadily, particularly preferably linear.
  • Such a vacuum cleaner hose can allow particularly favorable flow conditions inside the hose.
  • such an embodiment of the vacuum cleaner hose has also proved to be advantageous from an aesthetic point of view.
  • the hose inner diameter at the attachment coupling is at least 32 mm. It is an achievable advantage of this embodiment of the invention that the vacuum cleaner hose on conventional and already existing in the market hose attachments with a hose coupling diameter of 32 mm can be formed engageable. The user can thus be enabled to use existing accessories with the new vacuum cleaner hose according to the invention. Manufacturer is the result of the - -
  • the hose inner diameter is not smaller than 32 mm at any point.
  • the hose inner diameter of the vacuum cleaner hose to the vacuum cleaner coupling is preferably at least 47 mm. With this measure, it can be advantageously achieved that a smaller hose inner diameter in the area of the attachment coupling, e.g. one
  • Vacuum cleaner coupling can be sufficiently compensated to keep the total flow resistance in the vacuum cleaner hose sufficiently low even at higher power.
  • the ratio between the hose inner diameter at the attachment coupling of the vacuum cleaner hose and the hose inner diameter at the vacuum cleaner coupling is according to a particularly preferred embodiment of the invention less than 0.77. With such diameter ratios, the reduced flow resistance with simultaneously increased ergonomics makes itself particularly noticeable.
  • the invention also includes in particular those vacuum cleaner hoses in which the vacuum cleaner hose has a uniform diameter throughout, which is 40 mm or more. It is an advantage of this embodiment of the invention that vacuum cleaner tubes with a uniform diameter can be produced in a particularly simple and cost-effective manner.
  • the preferred hose length is between 1 m and 5 m, more preferably between 1, 3 m and 3 m, particularly preferably between 1, 6 m and 2 m.
  • the tube inner diameter of the intake opening to the hose coupling increases substantially steadily, particularly preferably linear.
  • particularly favorable flow conditions in the hose attachment can advantageously be achieved.
  • the tube inner diameter of the hose attachment to the hose coupling in a preferred embodiment of the hose attachment is at least 36 mm. Nevertheless, good handling too - -
  • the tube inner diameter of the hose attachment to the hose coupling is preferably 40 mm or less.
  • the pipe inner diameter of the tubular hose attachment is preferably at most 40 mm, particularly preferably at most 36 mm, particularly preferably at most 32 mm, particularly preferably at most 30 mm. This advantageously achieves that the tubular hose attachment at least in the front area of the user's hand well embraced and therefore can be handled safely.
  • a tube inner diameter of 30 mm can also be advantageously achieved that conventional vacuum cleaner tubes can be connected to the tubular hose attachment, so that users can be enabled to use the new hose attachment with conventional vacuum cleaner tubes and manufacturer no new vacuum cleaner tubes must be offered and manufactured , In this case, it can also be avoided in particular that the manufacturing costs of the vacuum cleaner pipe are greater due to a larger diameter of the vacuum cleaner pipe than in the case of conventional vacuum cleaner pipes.
  • a StaubStaubsaugerrohr can be coupled at the intake of a particularly preferred tubular hose attachment.
  • the hose attachment e.g. is designed as a upholstery brush or crevice nozzle.
  • the hose attachment is designed as a grip part, with which the vacuum cleaner pipe connected thereto can be guided.
  • the inner diameter of the end facing away from the hose attachment increases substantially steadily, preferably linearly, to the end which can be coupled to the hose attachment.
  • the tube inner diameter of the vacuum cleaner tube to the hose attachment coupling in a preferred embodiment of the vacuum cleaner tube is more than 30 mm.
  • the pipe inside diameter of the vacuum cleaner hose at the hose attachment coupling is preferably 36 mm or less, more preferably 32 mm or less.
  • the pipe inner diameter of the vacuum cleaner pipe is preferably 30 mm. This advantageously achieves that conventional brushes can be connected to the vacuum cleaner tube, so that users can be enabled to use the new vacuum cleaner tube with conventional brushes and no new brushes must be offered and manufactured by the manufacturer.
  • the vacuum cleaner hose and / or the hose attachment are preferably made of plastic, e.g. made of polyvinyl chloride (PVC), polyethylene (PE) or polyurethane (PU).
  • PVC polyvinyl chloride
  • PE polyethylene
  • PU polyurethane
  • FIG. 1 shows a perspective view of a vacuum cleaning unit, to which a vacuum cleaner hose according to the invention is coupled;
  • Fig. 2 The course of the inner diameter of a vacuum cleaner hose according to the invention.
  • Fig. 3 sketchy and in cross-sectional representation of a tubular hose attachment according to the invention.
  • Fig. 1 is a roll on the floor by rollers not shown rollable unit 1 is shown, which includes a suction motor, also not shown, which can be set by means of an operating switch 2 in function to generate a negative pressure.
  • a suction motor also not shown, which can be set by means of an operating switch 2 in function to generate a negative pressure.
  • dust-laden air is generally removed from a suction opening 3 of the vacuum cleaner.
  • the vacuum cleaner hose 5 has a vacuum cleaner coupling 6, with which it is connected to the suction port of the vacuum cleaner unit.
  • the profile of the inner diameter of the vacuum cleaner hose 5 is shown in Fig. 2. Accordingly, the hose inner diameter D decreases linearly from the top coupling to the vacuum cleaner coupling, the vacuum cleaner hose 5 is thus conical.
  • the hose inner diameter D E on the attachment coupling 7 is about 32 mm, the hose inner diameter D A at the vacuum cleaner coupling 6 is about 47 mm.
  • the relationship between length and diameter is not shown to scale in FIG. As is clearly recognizable in FIG. 1, it has a wave-like profile in longitudinal section, which in particular advantageously increases the flexibility of the hose.
  • the length of the vacuum cleaner hose is about 1, 8 m.
  • Fig. 3 is sketched and shown in cross-sectional representation of an inventive tube-like hose attachment. It is curved with a radius of about 50 cm and about 25 cm long.
  • the suction opening 9 of the hose attachment 8 has an inner diameter d ⁇ of about 30 mm, in the region of the hose coupling 10, with the hose attachment 8 can be coupled to the top coupling 7 of the vacuum cleaner hose 5 by nesting of the two parts, the inner diameter d a of Hose attachment 8 approx. 36 mm.
  • the hose attachment is a substantially smooth pipe section. At the suction of the hose attachment a conventional not shown vacuum cleaner tube with an inner diameter of 30 mm can be connected. The hose lug may be gripped by a user from the outside to guide the vacuum cleaner tube.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

Vacuum cleaner hose (5) equipped at one end with a vacuum cleaner coupling (6) for connection of the vacuum cleaner hose (5) to a suction opening (3) of a first vacuum cleaner unit (1) for producing a vacuum and at the other end with a seat coupling (7) for connecting to a hose seat (8), wherein the inner diameter of the hose is at least 40 mm at the vacuum cleaner coupling (6). And a tubular hose seat (8) provided at one end with a hose coupling (10) for connecting a vacuum cleaner hose (5) and at the other end with a suction opening (9), wherein the inner tube diameter of the hose seat (8) at the hose coupling (10) is larger than the suction opening (9) and the inner diameter of the tubular hose seat (8) at the hose coupling (10) is at least 32 mm. A vacuum cleaner tube equipped at one end with a hose seat coupling for connecting to a hose seat (8) and at the other end with a suction opening, wherein the tube inner diameter of the vacuum cleaner tube at the hose seat coupling is larger than at the suction opening of the vacuum cleaner tube. The invention advantageously permits the flow resistance to be reduced and thus the energy use and operational nose to be reduced, and at the same time allows good ergonomic handling.

Description

- - - -
Staubsaugerschlauch und Schlauchaufsatz für einenVacuum cleaner hose and hose attachment for one
Staubsauger mit erhöhter SaugleistungVacuum cleaner with increased suction power
Beschreibungdescription
Hintergrund der ErfindungBackground of the invention
Die Erfindung betrifft einen Staubsaugerschlauch, der an seinem einen Ende mit einer Staubsaugerkupplung zum Anschließen des Staubsaugerschlauchs an einer Ansaugöffnung einer einen Unterdruck erzeugenden Staubsaugereinheit und an seinem anderen Ende mit einer Aufsatzkupplung zum Anschließen an einen Schlauchaufsatz ausgestattet ist. Weiter betrifft die Erfindung einen rohrartigen Schlauchaufsatz, der an seinem einen Ende mit einer Schlauchkupplung zum Anschließen eines Staubsaugerschlauchs versehen ist und an seinem anderen Ende eine Ansaugöffnung aufweist, wobei der Rohrinnendurchmesser des Schlauchaufsatzes an der Schlauchkupplung größer ist als an der An- Säugöffnung. Die Erfindung betrifft auch ein Staubsaugerrohr, das an einem Ende mit einer Schlauchaufsatzkupplung zum Anschließen an einen rohrartigen Schlauchaufsatz ausgestattet ist und das an seinem anderen Ende eine Ansaugöffnung aufweist. Schließlich betrifft die Erfindung ein System aus mindestens zwei Elemente aus der Gruppe von Elementen, die umfasst: einen gattungegemäßen Staubsaugerschlauch, einen gattungsgemäßen rohrartigen Schlauchaufsatz und ein gattungsgemäßes Staubsaugerrohr.The invention relates to a vacuum cleaner hose, which is equipped at its one end with a vacuum cleaner coupling for connecting the vacuum cleaner hose to a suction opening of a vacuum generating vacuum cleaner unit and at its other end with a top coupling for connection to a hose attachment. Further, the invention relates to a tubular hose attachment which is provided at its one end with a hose coupling for connecting a vacuum cleaner hose and at its other end has a suction opening, wherein the pipe inner diameter of the hose attachment is larger at the hose coupling than at the on-mammal opening. The invention also relates to a vacuum cleaner tube which is equipped at one end with a hose attachment coupling for connection to a tubular hose attachment and which has a suction opening at its other end. Finally, the invention relates to a system comprising at least two elements from the group of elements, comprising: a generic vacuum cleaner hose, a generic tubular hose attachment and a generic vacuum cleaner tube.
Stand der TechnikState of the art
Aus dem Stand der Technik sind Staubsauger bekannt, z.B. das unter der Marke BOSCH auf dem Markt angebotene Gerät BSGL42223, bei denen eine auf dem Boden abstellbare oder auf dem Boden rollbare Staubsaugeinheit einen Unterdruck erzeugt und mit einer Ansaugöffnung ausgestattet ist. An die Ansaugöffnung der Staubsaugeinheit kann ein mit einer entsprechenden Staubsaugerkupplung ausgestatteter Staubsaugerschlauch angekuppelt werden. An seinem der Staubsaugerkupplung gegenüberliegenden Ende ist der Staubsaugerschlauch mit einer Aufsatzkupplung ausgestattet, um ihn an einen - -Vacuum cleaners are known from the prior art, for example the BSGL42223 device marketed under the BOSCH brand, in which a vacuum cleaning unit which can be parked on the floor or can be rolled on the floor generates a negative pressure and is equipped with a suction opening. A vacuum cleaner hose equipped with a corresponding vacuum cleaner coupling can be coupled to the suction opening of the vacuum cleaning unit. At its opposite end of the vacuum cleaner coupling the vacuum cleaner hose is equipped with an attachment coupling to him to a - -
Schlauchaufsatz mit einer Ansaugöffnung anzuschließen. Der Schlauchaufsatz ist im Allgemeinen rohrförmig ausgebildet und kann z.B. eine Polsterbürste oder eine Fugendüse sein. Insbesondere kann jedoch auch an die Ansaugöffnung des Schlauchaufsatzes ein Staubsaugerrohr anschließbar sein, das seinerseits wiederum eine Ansaugöffnung aufweist, die z.B. eine Bürste trägt. In diesem Fall ist der Schlauchaufsatz im Allgemeinen als Griff ausgebildet, sodass er von der Hand umfasst werden kann, um das Staubsaugerrohr zu führen.Hose attachment with a suction port to connect. The hose attachment is generally tubular and may be e.g. a cushion brush or a crevice nozzle. In particular, however, can also be connected to the suction opening of the hose attachment a vacuum cleaner tube, which in turn has a suction opening, which, for. wearing a brush. In this case, the hose attachment is generally designed as a handle so that it can be grasped by the hand to guide the vacuum cleaner tube.
Staubsaugerschläuche sind im Allgemeinen zylinderartig ausgebildet mit einem über die gesamte Länge einheitlichen Durchmesser von 32 mm. Darüber hinaus wird unter der Marke SIEMENS ein Bodenstaubsauger mit der Typenbezeichnung VS 08 angeboten, dessen Schlauch leicht konisch ausgebildet ist, wobei der Schlauchdurchmesser im Bereich der Aufsatzkupplung ca. 32 mm und im Bereich der Staubsaugerkupplung ca. 38 mm beträgt.Vacuum cleaner hoses are generally cylindrical in shape with a uniform diameter over the entire length of 32 mm. In addition, under the brand SIEMENS a vacuum cleaner with the type designation VS 08 is offered, whose hose is slightly conical, whereby the hose diameter in the area of the attachment coupling is about 32 mm and in the area of the vacuum cleaner coupling about 38 mm.
Aus dem US-Patent US 1 ,892,382 ist ein Staubsauger mit einem Staubsaugerschlauch bekannt, der den Staubsauger mit einem Schlauchaufsatz verbindet und dessen Querschnitt vom Schlauchaufsatz zum Staubsauger zunimmt, wobei die Querschnittszunahme über die Länge des Schlauches hinweg im Wesentlichen einheitlich ist.US Pat. No. 1,892,382 discloses a vacuum cleaner with a vacuum cleaner hose which connects the vacuum cleaner to a hose attachment and whose cross-section increases from the hose attachment to the vacuum cleaner, the cross-sectional increase being substantially uniform over the length of the hose.
Auch das deutsche Gebrauchsmuster DE 20 2006 002 975 U1 offenbart einen konisch ausgebildeten Staubsaugerschlauch, wobei der Schauch aus hydrolyse- und ozonbeständigem Polyurethan gefertigt ist. Zur Herstellung wird vorgeseschlagen, an einem extrudierten Schlauch durch teilweises Festhalten einen eingeschnürten Bereich zu schaffen.The German Utility Model DE 20 2006 002 975 U1 discloses a conical vacuum cleaner hose, wherein the hose is made of hydrolysis and ozone-resistant polyurethane. For production, it is proposed to create a constricted area on an extruded tube by partially holding it.
Das deutsche Gebrauchsmuster DE 296 17 752 U1 offenbart eine Schlauchkombination aus einem ersten Schlauch und einem zweiten Schlauch geringeren Durchmessers, die insbesondere als Saugschlauch bei einem Staubsauger eingesetzt werden soll. Der zweite Schlauch ist entlang einer gemeinsamen Berührungslinie an der Innenseite der Wand des ersten Schlauches befestigt. Der erste Schlauch erweitert sich konisch von seinem einen Ende zu seinem anderen Ende. - -The German utility model DE 296 17 752 U1 discloses a hose combination of a first hose and a second hose of smaller diameter, which is to be used in particular as a suction hose in a vacuum cleaner. The second tube is attached along a common line of contact to the inside of the wall of the first tube. The first tube widens conically from one end to its other end. - -
Schließlich ist aus dem deutschen Gebrauchsmuster DE 201 18 357 U1 ein Hinterschranksaugschlauch bekannt, der auf Seite einer Ansaugöffnung eine Verjüngung aufweist und außerdem am Ende der Ansaugöffnung mit mehreren kleinen Löchern versehen ist. Mit dem Hinterschranksaugschlauch soll der Staub hinter Schränken und in Ritzen aufgesaugt werden können, ohne dass dazu die Möbel abgerückt werden müssen.Finally, from the German utility model DE 201 18 357 U1 a Hinterschranksaugschlauch known, which has a taper on the side of a suction and is also provided at the end of the suction with a plurality of small holes. With the rear cabinet suction hose, the dust behind cabinets and in cracks can be sucked without the need to move the furniture must be removed.
Der Erfindung zugrundeliegende AufgabeThe problem underlying the invention
Der Erfindung liegt die Aufgabe zugrunde, einen verbesserten Staubsaugerschlauch für den Anschluss an eine Staubsaugereinheit bereitzustellen. Ihr liegt außerdem dieThe invention has for its object to provide an improved vacuum cleaner hose for connection to a vacuum cleaner unit. You are also the
Aufgabe zugrunde, einen verbesserten rohrartigen Schlauchaufsatz zum Anschließen an einen Staubsaugerschlauch und ein verbesserte Staubsaugerrohr bereitzustellen.Object to provide an improved tubular hose attachment for connection to a vacuum cleaner hose and an improved vacuum cleaner tube.
Schließlich liegt der Erfindung die Aufgabe zugrunde, ein verbessertes System aus mindestens zwei Elemente aus der Gruppe von Elementen bereitzustellen, die umfasst: einen Staubsaugerschlauch, einen rohrartigen Schlauchaufsatz und ein Staubsaugerrohr.Finally, it is the object of the invention to provide an improved system of at least two elements from the group of elements, comprising: a vacuum cleaner hose, a tubular hose attachment and a vacuum cleaner pipe.
Erfindungsgemäße LösungInventive solution
Die erfindungsgemäße Aufgabe wird bei dem gattungsgemäßen Staubsaugerschlauch dadurch gelöst, dass der Schlauchinnendurchmesser an der Staubsaugerkupplung mindestens 40 mm beträgt. Die Aufgabe wird außerdem bei dem gattungsgemäßen rohrartigen Schlauchaufsatz dadurch gelöst, dass der Rohrinnendurchmesser an der Schlauchkupplung des Schlauchaufsatzes mindestens 32 Millimeter (mm) beträgt. Weiter wird die Aufgabe bei dem gettungsgemäßen Staubsaugerrohr dadurch gelöst, dass der Rohrinnendurchmesser des Staubsaugerrohrs an der Schlauchaufsatzkupplung größer ist als an der Ansaugöffnung des Staubsaugerrohrs. Schließlich wird die Aufgabe durch ein System gelöst, das mindestens zwei Elemente aus der Gruppe von Elementen, die umfasst: einen gattungsgemäßen Staubsaugerschlauch, dessen Schlauchinnendurch- messer an der Staubsaugerkupplung mindestens 40 mm beträgt, einen gattungsgemäßen rohrartigen Schlauchaufsatz, dessen Rohrinnendurchmesser an der Schlauchkupplung mindestens 32 mm beträgt, und ein Staubsaugerrohr, dessen Rohrinnendurchmesser an der Schlauchaufsatzkupplung größer ist als an der Ansaugöffnung des Staubsaugerrohrs. - -The object of the invention is achieved in the generic vacuum cleaner hose characterized in that the hose inner diameter of the vacuum cleaner coupling is at least 40 mm. The object is also achieved in the generic tube-like hose attachment in that the pipe inside diameter at the hose coupling of the hose attachment is at least 32 millimeters (mm). Further, the object is achieved in the gettungsgemäßen vacuum cleaner tube in that the pipe inner diameter of the vacuum cleaner tube is larger at the hose attachment coupling than at the suction opening of the vacuum cleaner tube. Finally, the object is achieved by a system which comprises at least two elements from the group of elements, comprising: a generic vacuum cleaner hose whose hose inside diameter at the vacuum cleaner coupling is at least 40 mm, a generic tubular hose attachment whose pipe inside diameter at the hose coupling is at least 32 mm, and a vacuum cleaner pipe, the pipe inside diameter at the hose attachment coupling is larger than at the suction opening of the vacuum cleaner tube. - -
Durch die Erfindung ist erreichbar, dass der Schlauchaufsatz auch bei Staubsaugern mit höherer Saugleistung von dem Benutzer handhabbar bleibt, ohne dass diese Handhabbarkeiten zu Lasten der Energieeffizienz des Staubsaugers gehen. Der erfindungsgemäße Staubsaugerschlauch und/oder der erfindungsgemäße Schlauchaufsatz werden vorzugsweise mit Staubsaugern, die eine Saugleistung größer oder gleich 54 l/sec, besonders vorzugsweise größer oder gleich 50 l/sec erreichen können, eingesetzt.It can be achieved by the invention that the hose attachment can also be handled by the user in vacuum cleaners with a higher suction power, without these handling factors being at the expense of the energy efficiency of the vacuum cleaner. The vacuum cleaner hose according to the invention and / or the hose attachment according to the invention are preferably used with vacuum cleaners which can achieve a suction power of greater than or equal to 54 l / sec, particularly preferably greater than or equal to 50 l / sec.
Dabei geht die Erfindung von der Überlegung aus, dass ein Saugschlauch vorzugsweise auch auf seiner Innenseite nicht glatt ausgebildet, sondern mit einem Wellenprofil versehen ist, um eine ausreichende Flexibilität des Saugschlauches sicherzustellen. Dieses Wellenprofil kann jedoch das Strömungsverhalten im Schlauch ungünstig beeinflussen und insbesondere bei höheren Saugleistungen zu einem vergleichsweise hohen Strömungswiderstand führen, der seinerseits den Energieaufwand zum Erreichen der geforderten Saugleistung in die Höhe treiben kann. Der Erfindung liegt weiterhin unter anderem die Überlegung zugrunde, dass durch eine Vergrößerung des Durchmessers der Strömungswiderstand herabgesetzt und damit der Energieaufwand gesenkt werden kann. Andererseits kann ein großer Schlauchdurchmesser die Handhabbarkeit des rohrartigen Schlauchaufsatzes beeinträchtigen, da dieser bei größeren Durchmessern nicht mehr so leicht von der Hand eines Benutzers umfasst werden kann.The invention is based on the consideration that a suction hose is preferably not smooth on its inside, but provided with a wave profile to ensure sufficient flexibility of the suction hose. However, this wave profile can adversely affect the flow behavior in the hose and in particular lead to a relatively high flow resistance at higher suction rates, which in turn can drive the energy required to achieve the required suction in the air. The invention is also based inter alia on the consideration that can be reduced by increasing the diameter of the flow resistance and thus the energy consumption can be reduced. On the other hand, a large hose diameter can affect the handling of the tubular hose attachment, as it can no longer be so easily covered by the hand of a user with larger diameters.
Durch die Erfindung ist es erreichbar, dass der Staubsaugerschlauch einerseits einen im Vergleich zu konventionellen Staubsaugern ausreichend vergrößerten Durchmesser aufweist, um den erhöhten Energieaufwand in Grenzen zu halten, andererseits jedoch eine ausreichende Handhabbarkeit des Schlauchaufsatzes sicherstellt.By the invention it is achievable that the vacuum cleaner hose on the one hand has a sufficiently enlarged compared to conventional vacuum cleaners diameter to keep the increased energy expenditure within limits, on the other hand, however, ensures sufficient handling of the hose attachment.
Es ist ein weiterer erreichbarer Vorteil der Erfindung, dass durch einen im vergleich zu konventionellen Staubsaugerschläuchen zumindest abschnittsweise vergrößerten Strömungsquerschnitt und die damit verbundene geringere Strömungsgeschwindigkeit die Geräuschentwicklung herabgesetzt werden kann.It is a further achievable advantage of the invention that the noise development can be reduced by a flow cross-section which is at least partially enlarged compared to conventional vacuum cleaner hoses and the associated lower flow velocity.
Der bevorzugte Staubsaugerschlauch hat einen kreisförmigen Querschnitt. Grundsätzlich werden von der Erfindung aber auch Staubsauger mit einem nicht kreisförmigen Querschnitt erfasst. In diesem Fall ist unter dem Durchmesser des nicht kreisförmigen - -The preferred vacuum cleaner hose has a circular cross-section. In principle, however, vacuum cleaners with a non-circular cross-section are also covered by the invention. In this case is below the diameter of the non-circular - -
Schlauchquerschnitts der Kreisdurchmesser eines hypothetischen Schlauchs zu widerstehen, der den gleichen Strömungswiderstand aufweist.Hose cross section to withstand the circle diameter of a hypothetical tube having the same flow resistance.
Bevorzugte Ausgestaltung der ErfindungPreferred embodiment of the invention
Vorteilhafte Aus- und Weiterbildungen, welche einzeln oder in Kombination miteinander eingesetzt werden können, sind Gegenstand der abhängigen Ansprüche.Advantageous embodiments and developments, which can be used individually or in combination with each other, are the subject of the dependent claims.
Bei einem bevorzugten Staubsaugerschlauch ist der Schlauchinnendurchmesser an der Staubsaugerkupplung größer als an der Aufsatzkupplung. Besonders vorzugsweise ist der Schlauchinnendurchmesser an keiner Stelle kleiner als an der Aufsatzkupplung. Besonders vorzugsweise ist der Schlauchinnendurchmesser an keiner Stelle größer als an der Staubsaugerkupplung. Durch diese Ausführung der Erfindung ist erreichbar, dass ein kleinerer Schlauchinnendurchmesser auf der Aufsatzkupplungsseite des Staubsaugerschlauchs durch einen entsprechend größeren staubsaugerkupplungs- seitigen Innendurchmesser wenigstens teilweise kompensiert wird. Auf diese Weise kann die Aufsatzkupplung und entsprechend auch die Schlauchkupplung des Aufsatzes klein gehalten und damit die Handhabung verbessert werden.In a preferred vacuum cleaner hose, the hose inner diameter at the vacuum cleaner coupling is larger than at the attachment coupling. Particularly preferably, the hose inner diameter is smaller at any point than at the attachment coupling. Particularly preferably, the inner tube diameter is not larger at any point than at the vacuum cleaner coupling. By this embodiment of the invention can be achieved that a smaller hose inner diameter on the attachment coupling side of the vacuum cleaner hose is at least partially compensated by a correspondingly larger dust suction clutch side inner diameter. In this way, the top coupling and accordingly also the hose coupling of the article can be kept small and thus the handling can be improved.
Besonders vorzugsweise nimmt der Schlauchinnendurchmesser von der Aufsatzkupplung des Staubsaugerschlauchs zur Staubsaugerkupplung im Wesentlichen stetig zu, besonders vorzugsweise linear. Ein solcher Staubsaugerschlauch kann besonders günstige Strömungsverhältnisse im Schlauchinneren ermöglichen. Darüber hinaus hat sich eine solche Ausführung des Staubsaugerschlauchs auch als aus ästhetischen Gesichtspunkten vorteilhaft erwiesen.Particularly preferably, the hose inner diameter of the attachment coupling of the vacuum cleaner hose to the vacuum cleaner coupling increases substantially steadily, particularly preferably linear. Such a vacuum cleaner hose can allow particularly favorable flow conditions inside the hose. In addition, such an embodiment of the vacuum cleaner hose has also proved to be advantageous from an aesthetic point of view.
In einer bevorzugten Ausführung des erfindungsgemäßen Staubsaugerschlauchs beträgt der Schlauchinnendurchmesser an der Aufsatzkupplung mindestens 32 mm. Es ein ererreichbarer Vorteil dieser Ausführung der Erfindung, dass der Staubsaugerschlauch an konventionelle und im Markt schon vorhandene Schlauchaufsätze mit einem Schlauchkupplungsdurchmesser von 32 mm ankuppelbar ausgebildet werden kann. Der Benutzer kann so in die Lage versetzt werden, bereits vorhandenes Zubehör auch mit dem neuen erfindungsgemäßen Staubsaugerschlauch zu verwenden. Herstellerseitig ergibt sich der - -In a preferred embodiment of the vacuum cleaner hose according to the invention, the hose inner diameter at the attachment coupling is at least 32 mm. It is an achievable advantage of this embodiment of the invention that the vacuum cleaner hose on conventional and already existing in the market hose attachments with a hose coupling diameter of 32 mm can be formed engageable. The user can thus be enabled to use existing accessories with the new vacuum cleaner hose according to the invention. Manufacturer is the result of the - -
Vorteil, dass für den neuen Staubsaugerschlauch kein neues Zubehör entwickelt und hergestellt werden muss. Besonders vorzugsweise ist der Schlauchinnendurchmesser an keiner Stelle kleiner als 32 mm.The advantage that no new accessories have to be developed and manufactured for the new vacuum cleaner hose. Particularly preferably, the hose inner diameter is not smaller than 32 mm at any point.
Der Schlauchinnendurchmesser des Staubsaugerschlauchs an der Staubsaugerkupplung beträgt vorzugsweise mindestens 47 mm. Mit diesem Maß ist es vorteilhaft erreichbar, dass ein geringerer Schlauchinnendurchmesser im Bereich der Aufsatzkupplung, z.B. einThe hose inner diameter of the vacuum cleaner hose to the vacuum cleaner coupling is preferably at least 47 mm. With this measure, it can be advantageously achieved that a smaller hose inner diameter in the area of the attachment coupling, e.g. one
Schlauchinnendurchmesser von 32 mm, durch den Schlauchinnendurchmesser an derHose inner diameter of 32 mm, through the hose inner diameter at the
Staubsaugerkupplung ausreichend kompensiert werden kann, um den Gesamtströmungs- widerstand im Staubsaugerschlauch auch bei höherer Leistung ausreichend niedrig zu halten.Vacuum cleaner coupling can be sufficiently compensated to keep the total flow resistance in the vacuum cleaner hose sufficiently low even at higher power.
Das Verhältnis zwischen dem Schlauchinnendurchmesser an der Aufsatzkupplung des Staubsaugerschlauches und des Schlauchinnendurchmessers an der Staubsaugerkupplung beträgt nach einer besonders bevorzugten Ausbildung der Erfindung weniger als 0,77. Bei solchen Durchmesserverhältnissen macht sich der reduzierte Strömungswiderstand bei gleichzeitig erhöhter Ergonomie besonders bemerkbar.The ratio between the hose inner diameter at the attachment coupling of the vacuum cleaner hose and the hose inner diameter at the vacuum cleaner coupling is according to a particularly preferred embodiment of the invention less than 0.77. With such diameter ratios, the reduced flow resistance with simultaneously increased ergonomics makes itself particularly noticeable.
Die Erfindung umfasst aber insbesondere auch solche Staubsaugerschläuche, bei denen der Staubsaugerschlauch einen durchgehend einheitlichen Durchmesser aufweist, der 40 mm oder mehr beträgt. Es ist ein Vorteil dieser Ausführung der Erfindung, dass sich Staubsaugerschläuche mit einheitlichem Durchmesser besonders einfach und kostengünstig herstellen lassen.However, the invention also includes in particular those vacuum cleaner hoses in which the vacuum cleaner hose has a uniform diameter throughout, which is 40 mm or more. It is an advantage of this embodiment of the invention that vacuum cleaner tubes with a uniform diameter can be produced in a particularly simple and cost-effective manner.
Die bevorzugte Schlauchlänge beträgt zwischen 1 m und 5 m, besonders vorzugsweise zwischen 1 ,3 m und 3 m, besonders vorzugsweise zwischen 1 ,6 m und 2 m.The preferred hose length is between 1 m and 5 m, more preferably between 1, 3 m and 3 m, particularly preferably between 1, 6 m and 2 m.
Bei einem erfindungsgemäßen rohrartigen Schlauchaufsatz nimmt der Rohrinnendurchmesser von der Ansaugöffnung zur Schlauchkupplung im Wesentlichen stetig zu, besonders vorzugsweise linear. Hierdurch lassen sich vorteilhaft besonders günstige Strö- mungsverhältnisse in dem Schlauchaufsatz erreichen. Um einen besonders geringen Strömungswiderstand zu erreichen, beträgt der Rohrinnendurchmesser des Schlauchaufsatzes an der Schlauchkupplung bei einer bevorzugten Ausführung des Schlauchaufsatzes mindestens 36 mm. Um dennoch eine gute Handhabung zu - -In a tube-like hose attachment according to the invention, the tube inner diameter of the intake opening to the hose coupling increases substantially steadily, particularly preferably linear. As a result, particularly favorable flow conditions in the hose attachment can advantageously be achieved. In order to achieve a particularly low flow resistance, the tube inner diameter of the hose attachment to the hose coupling in a preferred embodiment of the hose attachment is at least 36 mm. Nevertheless, good handling too - -
gewährleisten, beträgt der Rohrinnendurchmesser des Schlauchaufsatzes an der Schlauchkupplung vorzugsweise 40 mm oder weniger.ensure the tube inner diameter of the hose attachment to the hose coupling is preferably 40 mm or less.
An der Ansaugöffnung beträgt der Rohrinnendurchmesser des rohrartigen Schlauchaufsatzes vorzugsweise höchstens 40 mm, besonders vorzugsweise höchstens 36 mm, besonders vorzugsweise höchstens 32 mm, besonders vorzugsweise höchstens 30 mm. Hierdurch ist vorteilhaft erreichbar, dass der rohrartige Schlauchaufsatz zumindest im vorderen Bereich von der Hand des Benutzers gut umgriffen und deshalb sicher gehandhabt werden kann. Bei einem Rohrinnendurchmesser von 30 mm kann außerdem vorteilhaft erreicht werden, dass konventionelle Staubsaugerrohre an den rohrartigen Schlauchaufsatz angeschlossen werden können, sodass Benutzer in die Lage versetzt werden können, den neuen Schlauchaufsatz mit konventionellen Staubsaugerrohren zu verwenden und herstellerseitig keine neuen Staubsaugerrohre angeboten und hergestellt werden müssen. Dabei kann insbesondere auch vermieden werden, dass die Herstellungskosten des Staubsaugerrohrs durch einen größeren Durchmesser des Staubsaugerrohrs größer sind als bei konventionellen Staubsaugerrohren.At the suction opening, the pipe inner diameter of the tubular hose attachment is preferably at most 40 mm, particularly preferably at most 36 mm, particularly preferably at most 32 mm, particularly preferably at most 30 mm. This advantageously achieves that the tubular hose attachment at least in the front area of the user's hand well embraced and therefore can be handled safely. With a tube inner diameter of 30 mm can also be advantageously achieved that conventional vacuum cleaner tubes can be connected to the tubular hose attachment, so that users can be enabled to use the new hose attachment with conventional vacuum cleaner tubes and manufacturer no new vacuum cleaner tubes must be offered and manufactured , In this case, it can also be avoided in particular that the manufacturing costs of the vacuum cleaner pipe are greater due to a larger diameter of the vacuum cleaner pipe than in the case of conventional vacuum cleaner pipes.
An die Ansaugöffnung eines besonders bevorzugten rohrartigen Schlauchaufsatzes ist ein StaubStaubsaugerrohr ankuppelbar. Es sind aber auch Ausführungen der Erfindung eingeschlossen, in denen der Schlauchaufsatz z.B. als Polsterbürste oder als Fugendüse ausgebildet ist. Besonders vorzugsweise ist der Schlauchaufsatz als Griffteil ausgebildet, mit dem das daran angeschlossene Staubsaugerrohr geführt werden kann.At the intake of a particularly preferred tubular hose attachment a StaubStaubsaugerrohr can be coupled. However, embodiments of the invention are also included in which the hose attachment e.g. is designed as a upholstery brush or crevice nozzle. Particularly preferably, the hose attachment is designed as a grip part, with which the vacuum cleaner pipe connected thereto can be guided.
Bei einem bevorzugten Staubsaugerrohr nimmt der Innendurchmesser von dem dem Schlauchaufsatz abgewandten Ende zu dem an den Schlauchaufsatz ankuppelbaren Ende im Wesentlichen stetig zu, vorzugsweise linear. Um einen besonders geringen Strömungswiderstand zu erreichen, beträgt der Rohrinnendurchmesser des Staubsaugerrohrs an der Schlauchaufsatzkupplung bei einer bevorzugten Ausführung des Staubsaugerrohrs mehr als 30 mm. Um dennoch eine gute Handhabung zu gewährleisten, beträgt der Rohrinnendurchmesser des Staubsaugerschlauchs an der Schlauchaufsatzkupplung vorzugsweise 36 mm oder weniger, besonders vorzugsweise 32 mm oder weniger. - -In a preferred vacuum cleaner tube, the inner diameter of the end facing away from the hose attachment increases substantially steadily, preferably linearly, to the end which can be coupled to the hose attachment. In order to achieve a particularly low flow resistance, the tube inner diameter of the vacuum cleaner tube to the hose attachment coupling in a preferred embodiment of the vacuum cleaner tube is more than 30 mm. However, to ensure good handling, the pipe inside diameter of the vacuum cleaner hose at the hose attachment coupling is preferably 36 mm or less, more preferably 32 mm or less. - -
An der Ansaugöffnung des Staubsaugerrohrs beträgt der Rohrinnendurchmesser des Staubsaugerrohrs vorzugsweise 30 mm. Hierdurch ist vorteilhaft erreichbar, dass konventionelle Bürsten an das Staubsaugerrohr angeschlossen werden können, sodass Benutzer in die Lage versetzt werden können, das neue Staubsaugerrohr mit konventionellen Bürsten zu verwenden und herstellerseitig keine neuen Bürsten angeboten und hergestellt werden müssen.At the suction opening of the vacuum cleaner pipe, the pipe inner diameter of the vacuum cleaner pipe is preferably 30 mm. This advantageously achieves that conventional brushes can be connected to the vacuum cleaner tube, so that users can be enabled to use the new vacuum cleaner tube with conventional brushes and no new brushes must be offered and manufactured by the manufacturer.
Der Staubsaugerschlauch und/oder der Schlauchaufsatz sind vorzugsweise aus Kunststoff, z.B. aus Polyvinylchlorid (PVC), Polyethylen (PE) oder Polyurethan (PU) hergestellt.The vacuum cleaner hose and / or the hose attachment are preferably made of plastic, e.g. made of polyvinyl chloride (PVC), polyethylene (PE) or polyurethane (PU).
Kurzbeschreibung der FigurenBrief description of the figures
Die Erfindung wird im Folgenden anhand schematischer Zeichnungen an einem Ausführungsbeispiel in weiteren Einzelheiten näher erläutert.The invention will be explained in more detail below with reference to schematic drawings of an exemplary embodiment in further detail.
Es zeigen schematisch:They show schematically:
Fig. 1 : In perspektivischer Darstellung eine Staubsaugeinheit, an die ein erfindungs- gemäßer Staubsaugerschlauch angekuppelt ist;1 shows a perspective view of a vacuum cleaning unit, to which a vacuum cleaner hose according to the invention is coupled;
Fig. 2: Den Verlauf des Innendurchmessers eines erfindungsgemäßen Staubsauger- Schlauchs; undFig. 2: The course of the inner diameter of a vacuum cleaner hose according to the invention; and
Fig. 3: skizzenhaft und in Querschnittdarstellung einen erfindungsgemäßen rohrartigen Schlauchaufsatz.Fig. 3: sketchy and in cross-sectional representation of a tubular hose attachment according to the invention.
Ausführliche Beschreibung anhand eines AusführungsbeispielsDetailed description based on an embodiment
In Fig. 1 ist eine auf dem Boden durch nicht dargestellte Rollen rollbare Staubsaugeinheit 1 dargestellt, die einen ebenfalls nicht dargestellten Saugmotor enthält, der mittels eines Betriebsschalters 2 in Funktion gesetzt werden kann, um einen Unterdruck zu erzeugen. Dazu wird im allgemeinen staubhaltige Luft von einer Ansaugöffnung 3 der Staubsaug- - -In Fig. 1 is a roll on the floor by rollers not shown rollable unit 1 is shown, which includes a suction motor, also not shown, which can be set by means of an operating switch 2 in function to generate a negative pressure. For this purpose, dust-laden air is generally removed from a suction opening 3 of the vacuum cleaner. - -
einheit 1 abgesogen, durch einen oder mehrere nicht dargestellte Staubfilter geleitet und dann an einem Gitter 4 im wesentlichen von Staub befreit wieder ausgeblasen. Der Staubsaugerschlauch 5 weist eine Staubsaugerkupplung 6 auf, mit der er an die Ansaugöffnung der Staubsaugeinheit angeschlossen ist.unit 1 sucked, passed through one or more dust filters, not shown, and then blown on a grid 4 substantially freed of dust again. The vacuum cleaner hose 5 has a vacuum cleaner coupling 6, with which it is connected to the suction port of the vacuum cleaner unit.
Der Verlauf des Innendurchmessers des Staubsaugerschlauchs 5 ist in Fig. 2 dargestellt. Demnach nimmt der Schlauchinnendurchmesser D von der Aufsatzkupplung zur Staubsaugerkupplung linear ab, der Staubsaugerschlauch 5 ist also konisch ausgebildet. Der Schlauchinnendurchmesser DE an der Aufsatzkupplung 7 beträgt ca. 32 mm, der Schlauchinnendurchmesser DA an der Staubsaugerkupplung 6 beträgt ca. 47 mm. Das Verhältnis zwischen Länge und Durchmesser ist in Fig. 2 nicht maßstabsgetreu dargestellt. Er weist, wie in Figur 1 gut erkennbar, im Längsschnitt ein wellenartiges Profil auf, das insbesondere die Flexibilität des Schlauchs vorteilhaft erhöht. Die Länge des Staubsaugerschlauchs beträgt etwa 1 ,8 m.The profile of the inner diameter of the vacuum cleaner hose 5 is shown in Fig. 2. Accordingly, the hose inner diameter D decreases linearly from the top coupling to the vacuum cleaner coupling, the vacuum cleaner hose 5 is thus conical. The hose inner diameter D E on the attachment coupling 7 is about 32 mm, the hose inner diameter D A at the vacuum cleaner coupling 6 is about 47 mm. The relationship between length and diameter is not shown to scale in FIG. As is clearly recognizable in FIG. 1, it has a wave-like profile in longitudinal section, which in particular advantageously increases the flexibility of the hose. The length of the vacuum cleaner hose is about 1, 8 m.
In Fig. 3 ist skizzenhaft und in Querschnittsdarstellung ein erfindungsgemäßer rohrartiger Schlauchaufsatz dargestellt. Er ist mit einem Radius von etwa 50 cm gekrümmt und ca. 25 cm lang. Die Ansaugöffnung 9 des Schlauchaufsatzes 8 hat einen Innendurchmesser dΘ von ca. 30 mm, im Bereich der Schlauchkupplung 10, mit der der Schlauchaufsatz 8 an die Aufsatzkupplung 7 des Staubsaugerschlauchs 5 durch Ineinanderscheiben der beiden Teile angekuppelt werden kann, beträgt der Innendurchmesser da des Schlauchaufsatzes 8 ca. 36 mm.In Fig. 3 is sketched and shown in cross-sectional representation of an inventive tube-like hose attachment. It is curved with a radius of about 50 cm and about 25 cm long. The suction opening 9 of the hose attachment 8 has an inner diameter d Θ of about 30 mm, in the region of the hose coupling 10, with the hose attachment 8 can be coupled to the top coupling 7 of the vacuum cleaner hose 5 by nesting of the two parts, the inner diameter d a of Hose attachment 8 approx. 36 mm.
Der Schlauchaufsatz ist ein im Wesentlichen glattes Rohrstück. An die Ansaugöffnung des Schlauchaufsatzes ist ein konventionelles nicht dargestelltes Staubsaugerrohr mit einem Innendurchmesser von 30 mm anschließbar. Der Schlauchansatz kann von einem Benutzer von außen umgriffen werden, um das Staubsaugerrohr zu führen.The hose attachment is a substantially smooth pipe section. At the suction of the hose attachment a conventional not shown vacuum cleaner tube with an inner diameter of 30 mm can be connected. The hose lug may be gripped by a user from the outside to guide the vacuum cleaner tube.
Durch die Konizität des Staubsaugerschlauchs und des Schlauchaufsatzes sind der vorteilhaft Strömungswiderstand und damit der Energieaufwand und das Betriebsgeräusch vorteilhaft verringert, während weiterhin eine ergonomisch günstige Handhabung möglich ist. - -Due to the conicity of the vacuum cleaner hose and the hose attachment advantageous flow resistance and thus the energy consumption and operating noise are advantageously reduced, while still an ergonomic handling is possible. - -
Die in der vorstehenden Beschreibung, den Ansprüchen und den Zeichnungen offenbarten Merkmale können sowohl einzeln als auch in beliebiger Kombination für die Verwirklichung der Erfindung in ihren verschiedenen Ausgestaltungen von Bedeutung sein. The features disclosed in the foregoing description, the claims and the drawings may be of importance both individually and in any combination for the realization of the invention in its various forms.
- -- -
Bezugszeichenreference numeral
1 Staubsaugeinheit1 vacuum cleaner unit
2 Betriebsschalter 3 Ansaugöffnung2 operating switch 3 suction opening
4 Gitter4 grids
5 Staubsaugerschlauch5 vacuum cleaner hose
6 Staubsaugerkupplung6 Vacuum cleaner coupling
7 Aufsatzkupplung 8 Schlauchaufsatz7 Attachment coupling 8 Hose attachment
9 Ansaugöffnung9 intake opening
10 Schlauchkupplung 10 hose coupling

Claims

- -Patentansprüche - Patent claims
1. Staubsaugerschlauch (5), der an seinem einen Ende mit einer Staubsaugerkupplung (6) zum Anschließen des Staubsaugerschlauchs (5) an eine Ansaugöffnung (3) einer einen Unterdruck erzeugenden Staubsaugeinheit (1 ) und an seinem anderen Ende mit einer Aufsatzkupplung (7) zum Anschließen an einen1. A vacuum cleaner hose (5) which at one end with a vacuum cleaner coupling (6) for connecting the vacuum cleaner hose (5) to a suction port (3) of a vacuum generating vacuum cleaner unit (1) and at its other end with an attachment coupling (7) to connect to a
Schlauchaufsatz (8) ausgestattet ist, dadurch gekennzeichnet, dass der Schlauchinnendurchmesser an der Staubsaugerkupplung (6) mindestens 40 mm beträgt.Hose attachment (8) is equipped, characterized in that the hose inner diameter of the vacuum cleaner coupling (6) is at least 40 mm.
2. Staubsaugerschlauch (5) nach Anspruch 1 , dadurch gekennzeichnet, dass der Schlauchinnendurchmesser an der Staubsaugerkupplung (6) größer ist als an der Aufsatzkupplung (7).2. Vacuum cleaner hose (5) according to claim 1, characterized in that the hose inner diameter at the vacuum cleaner coupling (6) is greater than at the attachment coupling (7).
3. Staubsaugerschlauch (5) nach Anspruch 2, dadurch gekennzeichnet, dass der Schlauchinnendurchmesser von der Aufsatzkupplung (7) zur3. Vacuum cleaner hose (5) according to claim 2, characterized in that the hose inner diameter of the attachment coupling (7) for
Staubsaugerkupplung (6) im Wesentlichen stetig zunimmt.Vacuum cleaner coupling (6) increases substantially steadily.
4. Staubsaugerschlauch (5) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schlauchinnendurchmesser an der Aufsatzkupplung (7) mindestens 32 mm beträgt.4. Vacuum cleaner hose (5) according to any one of the preceding claims, characterized in that the hose inner diameter of the attachment coupling (7) is at least 32 mm.
5. Staubsaugerschlauch (5) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schlauchinnendurchmesser an der Staubsaugerkupplung (6) mindestens 47 mm beträgt.5. Vacuum cleaner hose (5) according to any one of the preceding claims, characterized in that the hose inner diameter of the vacuum cleaner coupling (6) is at least 47 mm.
6. Staubsaugerschlauch (5) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Verhältnis zwischen dem Schlauchinnendurchmesser an der Aufsatzkupplung (7) und dem Schlauchinnendurchmesser an der Staubsaugerkupplung (6) kleiner als 0,77 ist. - -6. Vacuum cleaner hose (5) according to any one of the preceding claims, characterized in that the ratio between the hose inner diameter of the attachment coupling (7) and the hose inner diameter of the vacuum cleaner coupling (6) is less than 0.77. - -
7. Rohrartiger Schlauchaufsatz (8), der an einem einen Enden mit einer Schlauchkupplung (10) zum Anschließen eines Staubsaugerschlauchs (5) versehen ist und an seinem anderen Ende eine Ansaugöffnung (9) aufweist, wobei der Rohrinnendurchmesser des Schlauchaufsatzes (8) an der Schlauchkupplung (10) größer ist als an der Ansaugöffnung (9), dadurch gekennzeichnet, dass der7. tube-like hose attachment (8) which is provided at one ends with a hose coupling (10) for connecting a vacuum cleaner hose (5) and at its other end a suction port (9), wherein the inner tube diameter of the hose attachment (8) on the Hose coupling (10) is greater than at the suction port (9), characterized in that the
Rohrinnendurchmesser des rohrartigen Schlauchaufsatzes (8) an der Schlauchkupplung (10) mindestens 32 mm beträgt.Pipe inner diameter of the tubular hose attachment (8) on the hose coupling (10) is at least 32 mm.
8. Rohrartiger Schlauchaufsatz (8) nach Anspruch 7, dadurch gekennzeichnet, dass der Rohrinnendurchmesser des rohrartigen Schlauchaufsatzes (8) von der8. tube-like hose attachment (8) according to claim 7, characterized in that the tube inner diameter of the tubular hose attachment (8) of the
Ansaugöffnung (9) des Schlauchaufsatzes zur Schlauchkupplung (10) im Wesentlichen stetig zunimmt.Inlet opening (9) of the hose attachment to the hose coupling (10) increases substantially steadily.
9. Rohrartiger Schlauchaufsatz (8) nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass der Rohrinnendurchmesser des rohrartigen9. tube-like hose attachment (8) according to claim 7 or 8, characterized in that the tube inner diameter of the tubular
Schlauchaufsatzes (8) an der Schlauchkupplung (10) mindestens 36 mm beträgt.Hose attachment (8) on the hose coupling (10) is at least 36 mm.
10. Rohrartiger Schlauchaufsatz (8) nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass der Rohrinnendurchmesser des rohrartigen Schlauchaufsatzes (8) an der Ansaugöffnung (9) des Schlauchaufsatzes (8) höchstens 30 mm beträgt.10. tube-like hose attachment (8) according to any one of claims 7 to 9, characterized in that the tube inner diameter of the tubular hose attachment (8) at the suction port (9) of the hose attachment (8) is at most 30 mm.
11. Rohrartiger Schlauchaufsatz (8) nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass an die Ansaugöffnung (9) des Schlauchaufsatzes ein Staubsaugerrohr ankuppelbar ist.11. Pipe-like hose attachment (8) according to one of claims 7 to 10, characterized in that on the suction port (9) of the hose attachment a vacuum cleaner tube can be coupled.
12. Rohrartiger Schlauchaufsatz (8) nach einem der Ansprüche 7 bis 11 , dadurch gekennzeichnet, dass der Schlauchaufsatz (8) als Griffteil ausgebildet ist, mit dem das daran angeschlossene Staubsaugerrohr führbar ist. - -12. Pipe-like hose attachment (8) according to one of claims 7 to 11, characterized in that the hose attachment (8) is designed as a handle part, with which the vacuum cleaner pipe connected thereto can be guided. - -
13. Staubsaugerrohr, das an einem Ende mit einer Schlauchaufsatzkupplung zum Anschließen an einen Schlauchaufsatz (8) ausgestattet ist und an seinem anderen Ende eine Ansaugöffnung aufweist, dadurch gekennzeichnet, dass der Rohrinnendurchmesser des Staubsaugerrohrs an der Schlauchaufsatzkupplung größer ist als an der Ansaugöffnung des Staubsaugerrohrs.13. A vacuum cleaner tube, which is equipped at one end with a hose attachment coupling for connection to a hose attachment (8) and at its other end has a suction port, characterized in that the pipe inner diameter of the vacuum cleaner tube is larger at the hose attachment coupling than at the suction opening of the vacuum cleaner tube.
14. Staubsaugerrohr nach Anspruch 13, dadurch gekennzeichnet, dass dessen Innendurchmesser von dem Schlauchaufsatz (8) abgewandten Ende zu dem an den Schlauchaufsatz (8) ankuppelbaren Ende im Wesentlichen stetig zunimmt.14. Vacuum cleaner tube according to claim 13, characterized in that the inner diameter of the hose attachment (8) facing away from the end to the hose attachment (8) can be coupled end substantially steadily increases.
15. System mit mindestens zwei Elemente aus der Gruppe von Elementen, die umfasst: einen Staubsaugerschlauch (5) nach einem der Ansprüche 1 bis 6, einen rohrartigen Schlauchaufsatz (8) nach einem der Ansprüche 7 bis 12 und ein Staubsaugerrohr nach Anspruch 13 oder 14. 15. A system comprising at least two elements of the group of elements, comprising: a vacuum cleaner hose (5) according to any one of claims 1 to 6, a tubular hose attachment (8) according to any one of claims 7 to 12 and a vacuum cleaner pipe according to claim 13 or 14 ,
EP09781443.8A 2008-08-13 2009-08-03 Vacuum cleaner hose and hose seat for a vacuum cleaner with increased suction Not-in-force EP2330961B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008041231.7A DE102008041231B4 (en) 2008-08-13 2008-08-13 Vacuum cleaner hose and hose attachment for a vacuum cleaner with increased suction power
PCT/EP2009/060056 WO2010018101A1 (en) 2008-08-13 2009-08-03 Vacuum cleaner hose and hose seat for a vacuum cleaner with increased suction

Publications (2)

Publication Number Publication Date
EP2330961A1 true EP2330961A1 (en) 2011-06-15
EP2330961B1 EP2330961B1 (en) 2015-12-23

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Application Number Title Priority Date Filing Date
EP09781443.8A Not-in-force EP2330961B1 (en) 2008-08-13 2009-08-03 Vacuum cleaner hose and hose seat for a vacuum cleaner with increased suction

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EP (1) EP2330961B1 (en)
DE (1) DE102008041231B4 (en)
RU (1) RU2011109109A (en)
WO (1) WO2010018101A1 (en)

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Also Published As

Publication number Publication date
DE102008041231B4 (en) 2015-12-24
DE102008041231A1 (en) 2010-02-25
WO2010018101A1 (en) 2010-02-18
RU2011109109A (en) 2012-09-20
EP2330961B1 (en) 2015-12-23

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