EP2299890B1 - Cleaning roller for a floor cleaning machine - Google Patents

Cleaning roller for a floor cleaning machine Download PDF

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Publication number
EP2299890B1
EP2299890B1 EP08759129A EP08759129A EP2299890B1 EP 2299890 B1 EP2299890 B1 EP 2299890B1 EP 08759129 A EP08759129 A EP 08759129A EP 08759129 A EP08759129 A EP 08759129A EP 2299890 B1 EP2299890 B1 EP 2299890B1
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EP
European Patent Office
Prior art keywords
roller
cleaning
roller body
sleeve
accordance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP08759129A
Other languages
German (de)
French (fr)
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EP2299890A1 (en
Inventor
Christian Egler
Brunhold Roppelt
Eugen Class
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
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Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Priority to EP12173450A priority Critical patent/EP2510862A1/en
Publication of EP2299890A1 publication Critical patent/EP2299890A1/en
Application granted granted Critical
Publication of EP2299890B1 publication Critical patent/EP2299890B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A47L11/18—Floor surfacing or polishing machines motor-driven with rotating tools the tools being roll brushes
    • A47L11/19—Parts or details of the brushing tools
    • 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
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
    • 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
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls

Definitions

  • the invention relates to a cleaning roller for a floor cleaning machine having the features of the preamble of claim 1.
  • Cleaning rollers with a cylindrical roller body which has bearing elements for rotatably supporting the cleaning roller on the floor cleaning machine and its lateral surface is surrounded by a cleaning pad, which is rotatably connected to the roller body, are used in scrubbing, scouring and polishing machines in particular for cleaning a floor surface , They are for example from the DE 199 45 281 A1 known.
  • a cleaning roller in the form of a polishing roller is proposed, wherein the cleaning pad forms a polishing material and is drawn up in the form of a hose onto the roller body. So that the rotational movement of the roller body is transmitted as possible without slippage on the cleaning pad, the tube is made of an elastically expandable and fixed due to restoring forces on the roller body material.
  • the roller body can be widened in the radial direction.
  • the roller body consists of several, relatively movable components to which the cleaning pad is mounted in the form of a tubular fabric.
  • the tubular design of the cleaning pad allows the user to replace the cleaning pad.
  • this requires a certain craftsmanship Skill.
  • the radial expandability of the roller body causes a structurally complex construction of the cleaning roller.
  • EP-A-0 826 333 is a cleaning roller in the form of a scrubbing roller described with a roll body of a dimensionally stabilized Fasergewirr.
  • the roller body is formed by disc-shaped individual elements which are pushed onto a bearing shaft, so that they bear tightly against one another on the front side.
  • a cylindrical abrasive brush comprising a roller body having a roller core in the form of a shaft and a roller sleeve in the form of a tube surrounding the shaft. End caps are mounted on the front side of the tube and support the shaft, which protrudes axially beyond the end caps.
  • a first fabric strip is wound helically.
  • a second fabric strip is wound helically on the wound-up first fabric strip, which carries bristles on its outer side.
  • the adhesive ensures that the second fabric strip adheres well to the first fabric strip.
  • the adhesive gives the composite structure strength.
  • the cleaning roller is configured as a shampooing or application roller and comprises a cylindrical roller body with bearing elements. On the lateral surface of the roller body two strips of absorbent elastic material are wound helically. The strips are glued or welded to the outer surface of the roll body and gaps between the longitudinal sides of the strips provided in which bristle bundles are arranged. The bristle bundles are inserted radially aligned in the roller body and also extend helically over the circumference of the roller body.
  • Object of the present invention is to develop a cleaning roller of the type mentioned in such a way that it has a structurally simpler structure and can be manufactured with lower production costs for different floor cleaning machines, with the use of cleaning roller, the risk of damage to the floor surface to be cleaned is low.
  • the roller body and the cleaning pad form a common unit that can be easily replaced by the user.
  • the cleaning pad can be wound as an endless meter goods on the roll body and connected to this inseparable. This reduces the manufacturing cost of the cleaning roller and simplifies the structural design. The lower manufacturing costs make it possible to design the entire cleaning roller as an accessory of the floor cleaning machine, which can be replaced by the user if necessary, to use a cleaning roller, the cleaning pad is optimally adapted to a given cleaning task.
  • the roller body comprises a roller core, which is surrounded by a roller sleeve, wherein the roller core has the bearing elements and the roller sleeve forms the lateral surface of the roller body.
  • a roller core comprises the bearing elements, with the aid of which the cleaning roller can be rotatably mounted on the floor cleaning machine.
  • the roller sleeve forms the lateral surface of the roller body, on which the cleaning pad is wound up in ribbon form.
  • the roller sleeve is made of an elastically deformable material, for example in the form of a foam sheath. This is for some cleaning applications of particular advantage, because the risk of damage to the floor to be cleaned surface is kept very low.
  • the cleaning pad surrounds the roller body helically. This eliminates an extending in the axial direction of the cleaning roller seam of the cleaning pad. Such a seam is subject to a high load when using the cleaning roller, as frictional forces act perpendicular to the seam. Such frictional forces can be reduced by the helical arrangement of the cleaning pad.
  • the helical arrangement also has the advantage that the edges between adjacent tracks of the cleaning pad have an axial directional component. This ensures that during the rotation of the cleaning roller about its longitudinal axis over its entire length, a uniform cleaning result can be achieved.
  • the cleaning pad is glued to the roll body.
  • This allows a surface definition of the cleaning pad on the roller body.
  • the cleaning pad is point or line connected to the roller body.
  • a flat fixing has the advantage that reliably a rotationally fixed connection between the cleaning pad and the roller body can be ensured without the cleaning pad is subject to high punctiform or linear loads that could cause damage to the cleaning pad.
  • a cleaning pad for example, a fabric, knitted fabric or fiber fabric can be used. It is particularly advantageous, however, if the cleaning pad forms a web. As a result, a particularly good cleaning result can be achieved.
  • the cleaning pad is made of a microfiber material.
  • Such materials are particularly suitable for cleaning hard surfaces, in particular for cleaning tiled surfaces.
  • the roll core is preferably made of a plastic material, for example polypropylene (PP), polycarbonate (PC) or a polyamide (PA) or acrylonitrile-butadiene-styrene (ABS) material.
  • PP polypropylene
  • PC polycarbonate
  • PA polyamide
  • ABS acrylonitrile-butadiene-styrene
  • the roller sleeve is made of a plastic material.
  • the roller sleeve is made of an ABS material or of a PA material.
  • a particularly cost-effective production of the cleaning roller according to the invention is characterized in that the roller core is encapsulated by the roller sleeve.
  • the roller core is made of a polypropylene material that is encapsulated by a polyamide material, which forms the roller sleeve.
  • the roller sleeve forms a bonding agent between the roller core and the cleaning pad.
  • the roller sleeve consists of a material, on the one hand a non-detachable connection with the polypropylene material of the roll core and on the other hand using an adhesive and a non-detachable connection with the Cleaning surface allows.
  • the roller sleeve can be made for example of a PA material.
  • a cylindrical cleaning roller 10 is shown schematically with a central roller core 12 which is surrounded by a roller sleeve 14.
  • Roller core 12 and roller sleeve 14 together form a roller body 16 of the cleaning roller 10.
  • a belt-shaped cleaning pad in the form of a microfiber web 18 is wound helically.
  • the cleaning roller 10 may be mounted in a conventional manner on a drive shaft of a floor cleaning machine, not shown in the drawing and rotated about its longitudinal axis 20 in rotation.
  • the rotary drive takes place by means of a known drive element of the floor cleaning machine, for example by means of an electric motor.
  • the electric motor can be coupled in the usual way via gear elements, in particular via a belt drive, with the cleaning roller.
  • the rotating cleaning roller 10 can be moved along a floor surface to be cleaned, and by means of the microfiber web 18, the bottom surface can be cleaned.
  • the roller core 12 For supporting the cleaning roller 10 on the floor cleaning machine, the roller core 12 comprises at a first end face 22 a ball bearing 24, and at the first end face 22 facing away from the second end face 25, the roller core 12 has a star-shaped recess 26 in which a compression spring 28 is held.
  • the roller core 12 immersed in the assembly of the cleaning roller 10 on the floor cleaning machine rotatably connected to the drive shaft driver associated positively, wherein the compression spring 28 is clamped between the driver and the bottom 30 of the recess 26.
  • the not shown in the drawing, complementary to star-shaped recess 26 configured driver allows a rotationally fixed connection of the roller core with the drive shaft of the floor cleaning machine, so that the cleaning roller 10 can be rotated in a simple manner.
  • the cylindrical roller core 12 is made of a plastic material, preferably made of a polypropylene material, and surrounded by the roller sleeve 14 designed as a hollow cylinder in the circumferential direction.
  • the latter is preferably made of a polyamide material and sprayed onto the roller core 12.
  • the outer surface 32 of the roller sleeve 14 forms the lateral surface 34 of the roller body 16.
  • the microfiber web 18 is wound helically in the form of a band, with the interposition of an adhesive, which ensures a surface fixation of the microfiber web 18 on the lateral surface 34.
  • a rotationally fixed connection is made between the roller body 16 and the microfiber web 18, so that the rotational movement of the roller body 16 can be transmitted to the microfiber web 18 without slippage.
  • the entire roller body 16 of the cleaning roller 10 is made of plastic material. This allows a particularly cost-effective production.
  • the roller sleeve 14 in this case forms a bonding agent between the central roller core 12, which is made of a polypropylene material, and adhered to the roller sleeve 14 microfiber web 18.
  • the roller core 12 can be prepared in large quantities for a variety of floor cleaning machines. In order to adapt the cleaning roller 10 to the geometry of the floor cleaning machine used in each case, the roller core 12 is encapsulated by the roller sleeve 14, whose material thickness can be individually adapted to the respective floor cleaning machine.
  • the user can replace the entire cleaning roller 10 in a simple manner.
  • he can remove the roller body 16 together with the glued microfiber web 18 of the floor cleaning machine and replace it with a new cleaning roller 10.
  • the roller body 16 forms in combination with the microfiber web 18 an easy to handle unit, so that the replacement of the cleaning roller 10 can be performed even by technically inexperienced users in a simple manner.

Abstract

The invention relates to a cleaning roller (10) for a floor cleaning machine, having a cylindrical roller body (16) which has bearing elements (24, 26) for rotatably mounting the cleaning roller (10) on the floor cleaning machine, with the casing surface (34) of said roller body being surrounded by a cleaning covering (18) which is connected to the roller body (16) in a rotationally fixed manner. In order to develop the cleaning roller in such a way that it has a structurally more simple design and can be produced with lower production costs, the invention proposes that the cleaning covering (18) be wound onto the roller body (16) in the manner of a belt and be non-releasably connected to the roller body (16).

Description

Die Erfindung betrifft eine Reinigungswalze für eine Bodenreinigungsmaschine mit den Merkmalen des Oberbegriffs von Patentanspruch 1.The invention relates to a cleaning roller for a floor cleaning machine having the features of the preamble of claim 1.

Reinigungswalzen mit einem zylindrischen Walzenkörper, der Lagerelemente aufweist zum drehbaren Lagern der Reinigungswalze an der Bodenreinigungsmaschine und dessen Mantelfläche von einem Reinigungsbelag umgeben ist, der mit dem Walzenkörper drehfest verbunden ist, kommen insbesondere bei Schrubb-, Scheuer- und Poliermaschinen zum Einsatz zur Reinigung einer Bodenfläche. Sie sind beispielsweise aus der DE 199 45 281 A1 bekannt. Darin wird eine Reinigungswalze in Form einer Polierwalze vorgeschlagen, wobei der Reinigungsbelag ein Poliermaterial ausbildet und in Form eines Schlauches auf den Walzenkörper aufgezogen wird. Damit die Drehbewegung des Walzenkörpers möglichst ohne Schlupf auf den Reinigungsbelag übertragen wird, ist der Schlauch aus einem elastisch aufweitbaren und aufgrund von Rückstellkräften auf dem Walzenkörper fixierten Material hergestellt.Cleaning rollers with a cylindrical roller body, which has bearing elements for rotatably supporting the cleaning roller on the floor cleaning machine and its lateral surface is surrounded by a cleaning pad, which is rotatably connected to the roller body, are used in scrubbing, scouring and polishing machines in particular for cleaning a floor surface , They are for example from the DE 199 45 281 A1 known. Therein, a cleaning roller in the form of a polishing roller is proposed, wherein the cleaning pad forms a polishing material and is drawn up in the form of a hose onto the roller body. So that the rotational movement of the roller body is transmitted as possible without slippage on the cleaning pad, the tube is made of an elastically expandable and fixed due to restoring forces on the roller body material.

Um eine drehfeste Verbindung zwischen dem Reinigungsbelag und dem Walzenkörper sicherzustellen, wird in der DE 103 24 107 A1 eine Reinigungswalze vorgeschlagen, bei der der Walzenkörper in radialer Richtung aufgeweitet werden kann. Der Walzenkörper besteht aus mehreren, relativ zueinander beweglichen Bauelementen, auf die der Reinigungsbelag in Form eines schlauchartigen Textilmaterials aufgezogen ist. Die schlauchförmige Ausgestaltung des Reinigungsbelages ermöglicht es dem Benutzer, den Reinigungsbelag auszutauschen. Dies erfordert allerdings eine gewisse handwerkliche Geschicklichkeit. Außerdem bedingt die radiale Aufweitbarkeit des Walzenkörpers eine konstruktiv aufwendige Konstruktion der Reinigungswalze.To ensure a rotationally fixed connection between the cleaning pad and the roller body is in the DE 103 24 107 A1 proposed a cleaning roller, in which the roller body can be widened in the radial direction. The roller body consists of several, relatively movable components to which the cleaning pad is mounted in the form of a tubular fabric. The tubular design of the cleaning pad allows the user to replace the cleaning pad. However, this requires a certain craftsmanship Skill. In addition, the radial expandability of the roller body causes a structurally complex construction of the cleaning roller.

In EP-A-0 826 333 ist eine Reinigungswalze in Form einer Schrubbwalze beschrieben mit einem Walzenkörper aus einem formstabilisierten Fasergewirr. Der Walzenkörper wird von scheibenförmigen Einzelelementen gebildet, die auf eine Lagerwelle aufgeschoben sind, so dass sie stirnseitig dicht aneinander anliegen.In EP-A-0 826 333 is a cleaning roller in the form of a scrubbing roller described with a roll body of a dimensionally stabilized Fasergewirr. The roller body is formed by disc-shaped individual elements which are pushed onto a bearing shaft, so that they bear tightly against one another on the front side.

Aus der Patentschrift US-A-4,627,127 ist eine zylindrische abrasive Bürste bekannt mit einem Walzenkörper, der einen Walzenkern in Form eines Schafts aufweist sowie eine Walzenhülse in Form eines Rohrs, das den Schaft umgibt. Endkappen sind stirnseitig auf das Rohr aufgesetzt und haltern den Schaft, der axial über die Endkappen hervorsteht. Auf das Rohr ist ein erster Gewebestreifen schraubenlinienförmig aufgewickelt. Unter Zwischenlage eines Klebstoffs ist auf den aufgewickelten ersten Gewebestreifen ein zweiter Gewebestreifen schraubenlinienförmig aufgewickelt, der auf seiner Außenseite Borsten trägt. Der Klebstoff sorgt dafür, dass der zweite Gewebestreifen auf dem ersten Gewebestreifen gut haftet. Außerdem verleiht der Klebstoff der Verbundstruktur Festigkeit.From the Patent US-A-4,627,127 For example, a cylindrical abrasive brush is known comprising a roller body having a roller core in the form of a shaft and a roller sleeve in the form of a tube surrounding the shaft. End caps are mounted on the front side of the tube and support the shaft, which protrudes axially beyond the end caps. On the tube, a first fabric strip is wound helically. With the interposition of an adhesive, a second fabric strip is wound helically on the wound-up first fabric strip, which carries bristles on its outer side. The adhesive ensures that the second fabric strip adheres well to the first fabric strip. In addition, the adhesive gives the composite structure strength.

Aus der Gebrauchsmusterschrift DE 1 967 828 U1 ist eine Reinigungswalze für eine Bodenreinigungsmaschine mit den Merkmalen des Oberbegriffs von Patentanspruch 1 bekannt. Die Reinigungswalze ist als Shamponier- oder Auftragswalze ausgestaltet und umfasst einen zylindrischen Walzenkörper mit Lagerelementen. Auf die Mantelfläche des Walzenkörpers sind zwei Streifen aus saugfähigem elastischem Material schraubenlinienförmig aufgewickelt. Die Streifen sind mit der Außenfläche des Walzenkörpers verklebt oder verschweißt und zwischen den Längsseiten der Streifen sind Zwischenräume vorgesehen, in denen Borstenbündel angeordnet sind. Die Borstenbündel sind radial ausgerichtet in den Walzenkörper eingesetzt und erstrecken sich ebenfalls schraubenlinienförmig über den Umfang des Walzenkörpers.From the utility model DE 1 967 828 U1 a cleaning roller for a floor cleaning machine having the features of the preamble of claim 1 is known. The cleaning roller is configured as a shampooing or application roller and comprises a cylindrical roller body with bearing elements. On the lateral surface of the roller body two strips of absorbent elastic material are wound helically. The strips are glued or welded to the outer surface of the roll body and gaps between the longitudinal sides of the strips provided in which bristle bundles are arranged. The bristle bundles are inserted radially aligned in the roller body and also extend helically over the circumference of the roller body.

Aufgabe der vorliegenden Erfindung ist es, eine Reinigungswalze der eingangs genannten Art derart weiterzubilden, dass sie einen konstruktiv einfacheren Aufbau aufweist und mit geringeren Herstellungskosten für unterschiedliche Bodenreinigungsmaschinen gefertigt werden kann, wobei bei Einsatz der Reinigungswalze die Gefahr einer Beschädigung der zu reinigenden Bodenfläche gering ist.Object of the present invention is to develop a cleaning roller of the type mentioned in such a way that it has a structurally simpler structure and can be manufactured with lower production costs for different floor cleaning machines, with the use of cleaning roller, the risk of damage to the floor surface to be cleaned is low.

Diese Aufgabe wird durch eine Reinigungswalze mit den Merkmalen von Patentanspruch 1 gelöst.This object is achieved by a cleaning roller with the features of claim 1.

Bei der erfindungsgemäßen Reinigungswalze bilden der Walzenkörper und der Reinigungsbelag eine gemeinsame Einheit, die vom Benutzer auf einfache Weise ausgetauscht werden kann. Der Reinigungsbelag kann als endlose Meterware auf den Walzenkörper aufgewickelt und mit diesem unlösbar verbunden werden. Dies verringert die Herstellungskosten der Reinigungswalze und vereinfacht deren konstruktiven Aufbau. Die geringeren Herstellungskosten ermöglichen es, die gesamte Reinigungswalze als Zubehörteil der Bodenreinigungsmaschine auszugestalten, das bei Bedarf vom Benutzer ausgetauscht werden kann, um eine Reinigungswalze zu verwenden, deren Reinigungsbelag an eine vorgegebene Reinigungsaufgabe optimal angepasst ist.In the cleaning roller according to the invention, the roller body and the cleaning pad form a common unit that can be easily replaced by the user. The cleaning pad can be wound as an endless meter goods on the roll body and connected to this inseparable. This reduces the manufacturing cost of the cleaning roller and simplifies the structural design. The lower manufacturing costs make it possible to design the entire cleaning roller as an accessory of the floor cleaning machine, which can be replaced by the user if necessary, to use a cleaning roller, the cleaning pad is optimally adapted to a given cleaning task.

Aufgrund der unlösbaren Verbindung des Reinigungsbelages mit dem Walzenkörper können lösbare Verbindungselemente entfallen. Dies verringert nicht nur die Herstellungskosten und vereinfacht die Montage, sondern dadurch kann die Lebensdauer der Reinigungswalze erhöht werden, da die Anzahl beweglicher Teile reduziert werden kann.Due to the permanent connection of the cleaning pad with the roller body detachable connecting elements can be omitted. This not only reduces the manufacturing cost and simplifies the assembly, but thereby The life of the cleaning roller can be increased because the number of moving parts can be reduced.

Erfindungsgemäß umfasst der Walzenkörper einen Walzenkern, der von einer Walzenhülse umgeben ist, wobei der Walzenkern die Lagerelemente aufweist und die Walzenhülse die Mantelfläche des Walzenkörpers ausbildet. Eine derartige Ausgestaltung hat den Vorteil, dass für unterschiedliche Bodenreinigungsmaschinen Reinigungswalzen mit identischem Walzenkern gefertigt werden können, der dann von einer an die Geometrie der jeweiligen Bodenreinigungsmaschine angepassten Walzenhülse umgeben wird. Der Walzenkern umfasst die Lagerelemente, mit deren Hilfe die Reinigungswalze an der Bodenreinigungsmaschine drehbar gelagert werden kann. Die Walzenhülse bildet die Mantelfläche des Walzenkörpers aus, auf den der Reinigungsbelag bandförmig aufgewickelt ist.According to the invention, the roller body comprises a roller core, which is surrounded by a roller sleeve, wherein the roller core has the bearing elements and the roller sleeve forms the lateral surface of the roller body. Such a configuration has the advantage that for different floor cleaning machines cleaning rollers can be manufactured with identical roller core, which is then surrounded by a matched to the geometry of the respective floor cleaning machine roller sleeve. The roller core comprises the bearing elements, with the aid of which the cleaning roller can be rotatably mounted on the floor cleaning machine. The roller sleeve forms the lateral surface of the roller body, on which the cleaning pad is wound up in ribbon form.

Die Walzenhülse ist aus einem elastisch verformbaren Material gefertigt, beispielsweise in Form einer Schaumstoffummantelung. Dies ist für einige Reinigungsanwendungen von besonderem Vorteil, denn dadurch wird die Gefahr einer Beschädigung der zu reinigenden Bodenfläche sehr gering gehalten.The roller sleeve is made of an elastically deformable material, for example in the form of a foam sheath. This is for some cleaning applications of particular advantage, because the risk of damage to the floor to be cleaned surface is kept very low.

Von Vorteil ist es, wenn der Reinigungsbelag den Walzenkörper schraubenlinienförmig umgibt. Dadurch kann eine sich in axialer Richtung der Reinigungswalze erstreckende Naht des Reinigungsbelages entfallen. Eine derartige Naht unterliegt bei der Benutzung der Reinigungswalze einer hohen Belastung, da Reibungskräfte senkrecht zur Naht angreifen. Derartige Reibungskräfte können durch die schraubenlinienförmige Anordnung des Reinigungsbelages verringert werden. Die schraubenlinienförmige Anordnung hat darüber hinaus den Vorteil, dass die Ränder zwischen benachbarten Bahnen des Reinigungsbelages eine axiale Richtungskomponente aufweisen. Dadurch ist sichergestellt, dass bei der Drehung der Reinigungswalze um ihre Längsachse über ihre gesamte Länge ein gleichförmiges Reinigungsergebnis erzielt werden kann.It is advantageous if the cleaning pad surrounds the roller body helically. This eliminates an extending in the axial direction of the cleaning roller seam of the cleaning pad. Such a seam is subject to a high load when using the cleaning roller, as frictional forces act perpendicular to the seam. Such frictional forces can be reduced by the helical arrangement of the cleaning pad. The helical arrangement also has the advantage that the edges between adjacent tracks of the cleaning pad have an axial directional component. This ensures that during the rotation of the cleaning roller about its longitudinal axis over its entire length, a uniform cleaning result can be achieved.

Bevorzugt ist der Reinigungsbelag mit dem Walzenkörper verklebt. Dies ermöglicht eine flächige Festlegung des Reinigungsbelags am Walzenkörper. Alternativ könnte vorgesehen sein, dass der Reinigungsbelag punkt- oder linienförmig mit dem Walzenkörper verbunden ist. Eine flächige Festlegung hat demgegenüber aber den Vorteil, dass zuverlässig eine drehfeste Verbindung zwischen dem Reinigungsbelag und dem Walzenkörper sichergestellt werden kann, ohne dass der Reinigungsbelag hohen punktförmigen oder linienförmigen Belastungen unterliegt, die eine Beschädigung des Reinigungsbelages zur Folge haben könnten.Preferably, the cleaning pad is glued to the roll body. This allows a surface definition of the cleaning pad on the roller body. Alternatively it could be provided that the cleaning pad is point or line connected to the roller body. However, a flat fixing has the advantage that reliably a rotationally fixed connection between the cleaning pad and the roller body can be ensured without the cleaning pad is subject to high punctiform or linear loads that could cause damage to the cleaning pad.

Als Reinigungsbelag kann beispielsweise ein Gewebe, Gewirk oder Fasergelege zum Einsatz kommen. Von besonderem Vorteil ist es jedoch, wenn der Reinigungsbelag ein Vlies ausbildet. Dadurch kann ein besonders gutes Reinigungsergebnis erzielt werden.As a cleaning pad, for example, a fabric, knitted fabric or fiber fabric can be used. It is particularly advantageous, however, if the cleaning pad forms a web. As a result, a particularly good cleaning result can be achieved.

Bevorzugt ist der Reinigungsbelag aus einem Mikrofasermaterial gefertigt. Derartige Materialien eignen sich insbesondere zur Reinigung von Hartflächen, insbesondere zur Reinigung gefliester Flächen.Preferably, the cleaning pad is made of a microfiber material. Such materials are particularly suitable for cleaning hard surfaces, in particular for cleaning tiled surfaces.

Der Walzenkern ist bevorzugt aus einem Kunststoffmaterial gefertigt, beispielsweise aus Polypropylen (PP), Polycarbonat (PC)oder einem Polyamid (PA)- oder Acrylnitril-Butadien-Styrol (ABS)-Material.The roll core is preferably made of a plastic material, for example polypropylene (PP), polycarbonate (PC) or a polyamide (PA) or acrylonitrile-butadiene-styrene (ABS) material.

Günstig ist es, wenn die Walzenhülse aus einem Kunststoffmaterial gefertigt ist. Vorzugsweise ist die Walzenhülse aus einem ABS-Material oder aus einem PA-Material hergestellt.It is advantageous if the roller sleeve is made of a plastic material. Preferably, the roller sleeve is made of an ABS material or of a PA material.

Eine besonders kostengünstige Herstellung der erfindungsgemäßen Reinigungswalze zeichnet sich dadurch aus, dass der Walzenkern von der Walzenhülse umspritzt ist. So kann beispielsweise vorgesehen sein, dass der Walzenkern aus einem Polypropylenmaterial gefertigt ist, das von einem Polyamidmaterial umspritzt ist, welches die Walzenhülse ausbildet.A particularly cost-effective production of the cleaning roller according to the invention is characterized in that the roller core is encapsulated by the roller sleeve. For example, it may be provided that the roller core is made of a polypropylene material that is encapsulated by a polyamide material, which forms the roller sleeve.

Als günstig hat es sich erwiesen, wenn die Walzenhülse einen Haftvermittler ausbildet zwischen dem Walzenkern und dem Reinigungsbelag. Insbesondere bei Verwendung eines Walzenkerns aus einem Polypropylenmaterial und einem Reinigungsbelag in Form eines Mikrofaservlieses ist es von Vorteil, wenn die Walzenhülse aus einem Material besteht, das einerseits eine unlösbare Verbindung mit dem Polypropylenmaterial des Walzenkerns und andererseits unter Einsatz eines Klebstoffes auch eine unlösbare Verbindung mit dem Reinigungsbelag ermöglicht. Hierzu kann die Walzenhülse beispielsweise aus einem PA-Material gefertigt sein.As low, it has been proven when the roller sleeve forms a bonding agent between the roller core and the cleaning pad. In particular, when using a roller core of a polypropylene material and a cleaning pad in the form of a microfiber nonwoven, it is advantageous if the roller sleeve consists of a material, on the one hand a non-detachable connection with the polypropylene material of the roll core and on the other hand using an adhesive and a non-detachable connection with the Cleaning surface allows. For this purpose, the roller sleeve can be made for example of a PA material.

Die nachfolgende Beschreibung einer bevorzugten Ausführungsform der Erfindung dient im Zusammenhang mit der Zeichnung der näheren Erläuterung. Es zeigen:

Figur 1:
eine perspektivische Darstellung einer Reinigungswalze;
Figur 2:
eine Seitenansicht der Reinigungswalze in Richtung des Pfeiles A aus Figur 1, und
Figur 3:
eine Schnittansicht der Reinigungswalze längs der Linie 3-3 aus Figur 2.
The following description of a preferred embodiment of the invention serves in conjunction with the drawings for further explanation. Show it:
FIG. 1:
a perspective view of a cleaning roller;
FIG. 2:
a side view of the cleaning roller in the direction of arrow A from FIG. 1 , and
FIG. 3:
a sectional view of the cleaning roller along the line 3-3 FIG. 2 ,

In der Zeichnung ist schematisch eine zylinderförmige Reinigungswalze 10 dargestellt mit einem zentralen Walzenkern 12, der von einer Walzenhülse 14 umgeben ist. Walzenkern 12 und Walzenhülse 14 bilden gemeinsam einen Walzenkörper 16 der Reinigungswalze 10. Auf den Walzenkörper 16 ist ein bandförmiger Reinigungsbelag in Form eines Mikrofaservlieses 18 schraubenlinienförmig aufgewickelt.In the drawing, a cylindrical cleaning roller 10 is shown schematically with a central roller core 12 which is surrounded by a roller sleeve 14. Roller core 12 and roller sleeve 14 together form a roller body 16 of the cleaning roller 10. On the roller body 16, a belt-shaped cleaning pad in the form of a microfiber web 18 is wound helically.

Die Reinigungswalze 10 kann üblicher Weise an einer in der Zeichnung nicht dargestellten Antriebswelle einer Bodenreinigungsmaschine gelagert und um ihre Längsachse 20 in Drehung versetzt werden. Der Drehantrieb erfolgt mittels eines an sich bekannten Antriebselementes der Bodenreinigungsmaschine, beispielsweise mittels eines Elektromotors. Der Elektromotor kann in üblicher Weise über Getriebeelemente, insbesondere über einen Riementrieb, mit der Reinigungswalze gekoppelt sein. Die rotierende Reinigungswalze 10 kann entlang einer zu reinigenden Bodenfläche bewegt werden, und mittels des Mikrofaservlieses 18 kann die Bodenfläche gereinigt werden.The cleaning roller 10 may be mounted in a conventional manner on a drive shaft of a floor cleaning machine, not shown in the drawing and rotated about its longitudinal axis 20 in rotation. The rotary drive takes place by means of a known drive element of the floor cleaning machine, for example by means of an electric motor. The electric motor can be coupled in the usual way via gear elements, in particular via a belt drive, with the cleaning roller. The rotating cleaning roller 10 can be moved along a floor surface to be cleaned, and by means of the microfiber web 18, the bottom surface can be cleaned.

Zur Lagerung der Reinigungswalze 10 an der Bodenreinigungsmaschine umfasst der Walzenkern 12 an einer ersten Stirnseite 22 ein Kugellager 24, und an der der ersten Stirnseite 22 abgewandten zweiten Stirnseite 25 weist der Walzenkern 12 eine sternförmige Ausnehmung 26 auf, in der eine Druckfeder 28 gehalten ist. In die Ausnehmung 26 taucht bei der Montage der Reinigungswalze 10 an der Bodenreinigungsmaschine ein drehfest mit deren Antriebswelle verbundener Mitnehmer formschlüssig ein, wobei die Druckfeder 28 zwischen den Mitnehmer und den Boden 30 der Ausnehmung 26 eingespannt wird. Der in der Zeichnung nicht dargestellte, komplementär zur sternförmigen Ausnehmung 26 ausgestaltete Mitnehmer ermöglicht eine drehfeste Verbindung des Walzenkerns mit der Antriebswelle der Bodenreinigungsmaschine, so dass die Reinigungswalze 10 auf einfache Weise in Drehung versetzt werden kann.For supporting the cleaning roller 10 on the floor cleaning machine, the roller core 12 comprises at a first end face 22 a ball bearing 24, and at the first end face 22 facing away from the second end face 25, the roller core 12 has a star-shaped recess 26 in which a compression spring 28 is held. In the recess 26 immersed in the assembly of the cleaning roller 10 on the floor cleaning machine rotatably connected to the drive shaft driver associated positively, wherein the compression spring 28 is clamped between the driver and the bottom 30 of the recess 26. The not shown in the drawing, complementary to star-shaped recess 26 configured driver allows a rotationally fixed connection of the roller core with the drive shaft of the floor cleaning machine, so that the cleaning roller 10 can be rotated in a simple manner.

Der zylindrische Walzenkern 12 ist aus einem Kunststoffmaterial, vorzugsweise aus einem Polypropylenmaterial, gefertigt und von der als Hohlzylinder ausgestalteten Walzenhülse 14 in Umfangsrichtung umgeben. Letztere ist vorzugsweise aus einem Polyamidmaterial gefertigt und auf den Walzenkern 12 aufgespritzt. Die Außenseite 32 der Walzenhülse 14 bildet die Mantelfläche 34 des Walzenkörpers 16. Auf die Mantelfläche 34 ist das Mikrofaservlies 18 in Form eines Bandes schraubenlinienförmig aufgewickelt, und zwar unter Zwischenlage eines Klebstoffes, der eine flächige Fixierung des Mikrofaservlieses 18 an der Mantelfläche 34 sicherstellt. Somit wird zwischen dem Walzenkörper 16 und dem Mikrofaservlies 18 eine drehfeste Verbindung hergestellt, so dass die Drehbewegung des Walzenkörpers 16 ohne Schlupf auf das Mikrofaservlies 18 übertragen werden kann.The cylindrical roller core 12 is made of a plastic material, preferably made of a polypropylene material, and surrounded by the roller sleeve 14 designed as a hollow cylinder in the circumferential direction. The latter is preferably made of a polyamide material and sprayed onto the roller core 12. The outer surface 32 of the roller sleeve 14 forms the lateral surface 34 of the roller body 16. On the lateral surface 34, the microfiber web 18 is wound helically in the form of a band, with the interposition of an adhesive, which ensures a surface fixation of the microfiber web 18 on the lateral surface 34. Thus, a rotationally fixed connection is made between the roller body 16 and the microfiber web 18, so that the rotational movement of the roller body 16 can be transmitted to the microfiber web 18 without slippage.

Der gesamte Walzenkörper 16 der Reinigungswalze 10 ist aus Kunststoffmaterial hergestellt. Dies erlaubt eine besonders kostengünstige Herstellung. Die Walzenhülse 14 bildet hierbei einen Haftvermittler aus zwischen dem zentralen Walzenkern 12, der aus einem Polypropylenmaterial hergestellt ist, und dem auf die Walzenhülse 14 aufgeklebten Mikrofaservlies 18. Der Walzenkern 12 kann in großer Stückzahl für unterschiedlichste Bodenreinigungsmaschinen hergestellt werden. Um die Reinigungswalze 10 an die Geometrie der jeweils zum Einsatz kommende Bodenreinigungsmaschine anzupassen, wird der Walzenkern 12 von der Walzenhülse 14 umspritzt, deren Materialstärke an die jeweilige Bodenreinigungsmaschine individuell angepasst werden kann.The entire roller body 16 of the cleaning roller 10 is made of plastic material. This allows a particularly cost-effective production. The roller sleeve 14 in this case forms a bonding agent between the central roller core 12, which is made of a polypropylene material, and adhered to the roller sleeve 14 microfiber web 18. The roller core 12 can be prepared in large quantities for a variety of floor cleaning machines. In order to adapt the cleaning roller 10 to the geometry of the floor cleaning machine used in each case, the roller core 12 is encapsulated by the roller sleeve 14, whose material thickness can be individually adapted to the respective floor cleaning machine.

Der Benutzer kann die gesamte Reinigungswalze 10 auf einfache Weise austauschen. Hierzu kann er den Walzenkörper 16 zusammen mit dem aufgeklebten Mikrofaservlies 18 der Bodenreinigungsmaschine entnehmen und durch eine neue Reinigungswalze 10 ersetzen. Der Walzenkörper 16 bildet in Kombination mit dem Mikrofaservlies 18 eine einfach handhabbare Einheit aus, so dass der Austausch der Reinigungswalze 10 auch von technisch ungeübten Benutzern auf einfache Weise durchgeführt werden kann.The user can replace the entire cleaning roller 10 in a simple manner. For this purpose, he can remove the roller body 16 together with the glued microfiber web 18 of the floor cleaning machine and replace it with a new cleaning roller 10. The roller body 16 forms in combination with the microfiber web 18 an easy to handle unit, so that the replacement of the cleaning roller 10 can be performed even by technically inexperienced users in a simple manner.

Claims (9)

  1. Cleaning roller (10) for a floor cleaning machine comprising a cylindrical roller body (16) having bearing elements (24, 26) for rotatably supporting the cleaning roller (10) on the floor cleaning machine, the lateral surface (34) of said roller body (16) being surrounded by a cleaning cover (18) which is connected to the roller body (16) for rotation therewith, wherein the cleaning cover (18) is wound onto the roller body (16) in the form of a ribbon and is unreleasably connected to the roller body (16), characterized in that the roller body (16) comprises a roller core (12) which is surrounded by a roller sleeve (14), wherein the roller core (12) comprises the bearing elements (24, 26) and the roller sleeve (14) forms the lateral surface (34) of the roller body (16) and the roller sleeve (14) is made of an elastically deformable material.
  2. Cleaning roller in accordance with claim 1, characterized in that the cleaning cover (18) surrounds the roller body (16) in a helical form.
  3. Cleaning roller in accordance with claim 1 or 2, characterized in that the cleaning cover (18) is adhesively bonded to the roller body (16).
  4. Cleaning roller in accordance with any one of the preceding claims, characterized in that the cleaning cover (18) is a nonwoven.
  5. Cleaning roller in accordance with any one of the preceding claims, characterized in that the cleaning cover (18) is made of a microfibre material.
  6. Cleaning roller in accordance with any one of the preceding claims, characterized in that the roller core (12) is made of a plastics material.
  7. Cleaning roller in accordance with any one of the preceding claims, characterized in that the roller sleeve (14) is made of a plastics material.
  8. Cleaning roller in accordance with any one of the preceding claims, characterized in that the roller sleeve (14) is injection moulded around the roller core (12).
  9. Cleaning roller in accordance with any one of the preceding claims, characterized in that the roller sleeve (14) forms an adhesion promoter between the roller core (12) and the cleaning cover (18).
EP08759129A 2008-06-10 2008-06-10 Cleaning roller for a floor cleaning machine Not-in-force EP2299890B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12173450A EP2510862A1 (en) 2008-06-10 2008-06-10 Cleaning roller for floor cleaning machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/004601 WO2009149722A1 (en) 2008-06-10 2008-06-10 Cleaning roller for a floor cleaning machine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP12173450A Division EP2510862A1 (en) 2008-06-10 2008-06-10 Cleaning roller for floor cleaning machine

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EP2299890A1 EP2299890A1 (en) 2011-03-30
EP2299890B1 true EP2299890B1 (en) 2012-06-27

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EP08759129A Not-in-force EP2299890B1 (en) 2008-06-10 2008-06-10 Cleaning roller for a floor cleaning machine

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EP (2) EP2510862A1 (en)
CN (1) CN102046060A (en)
WO (1) WO2009149722A1 (en)

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EP2510862A1 (en) 2012-10-17
CN102046060A (en) 2011-05-04
WO2009149722A1 (en) 2009-12-17
EP2299890A1 (en) 2011-03-30

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