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EP2584950A1 - Device in connection with a floor cleaning machine - Google Patents

Device in connection with a floor cleaning machine

Info

Publication number
EP2584950A1
EP2584950A1 EP11798451.8A EP11798451A EP2584950A1 EP 2584950 A1 EP2584950 A1 EP 2584950A1 EP 11798451 A EP11798451 A EP 11798451A EP 2584950 A1 EP2584950 A1 EP 2584950A1
Authority
EP
European Patent Office
Prior art keywords
hub
machine
brush
centre
cleaning machine
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.)
Withdrawn
Application number
EP11798451.8A
Other languages
German (de)
French (fr)
Other versions
EP2584950A4 (en
Inventor
Ludvig BRUNNSTRÖM
Patrik Andreasson
Nils-Eric Andersson
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.)
QLEENO AB
Original Assignee
QLEENO AB
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 QLEENO AB filed Critical QLEENO AB
Publication of EP2584950A1 publication Critical patent/EP2584950A1/en
Publication of EP2584950A4 publication Critical patent/EP2584950A4/en
Withdrawn legal-status Critical Current

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
    • 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
    • A47L11/16—Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes
    • A47L11/162—Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes having only a single disc brush
    • A47L11/1625—Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes having only a single disc brush with supply of cleaning agents
    • 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
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/292—Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools
    • A47L11/293—Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools the tools being disc brushes
    • 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
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • A47L11/305—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools the tools being disc brushes
    • 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
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees

Definitions

  • the present invention relates to a device in connection with a floor cleaning machine functioning with liquid.
  • washing liquid is supplied to the hub of a floor cleaning machine through a central tube and then is spread radially through radial spreader tubes.
  • a central tube As examples thereof it is referred to US 6,052,854 A, US 5,711,051 A, US 2009/0260177 Al, and US 5,970,574 A.
  • the washing liquid is still supplied centrally through a hose or a tube at the risk of clogging and stop in said tube or hose as a result.
  • a known compact hub which comprises channels for the distribution of vacuum to said machine in order to suck up washing liquid, does not allow efficient deflection in intended direction, but whirls and other unwanted effects are formed.
  • SE 529 868C2 owned by the present applicant, concerns a water suction device in a combi cleaning machine comprising three suction nozzles (11), which are surrounded by blades (12, 13) in one of their respective ends, for catching waste water and suction.
  • the water which is conducted radially in the known machines, does not constitute distribution of liquid, but instead it is washing liquid which is
  • the main object of the present invention is first of all to among other things solve some of the problems described above by means of a device designed for that purpose.
  • a device according to the present invention which is mainly characterized in that a combined hub for supporting a brush/disc of a floor cleaning machine has three
  • A as a hub for a brush/disc for holding the same
  • the hub comprises a movable channel for the water supply, and which is arranged to rotate with the hub and conduct the water radially from the outside and towards the centre of the hub to be discharged axially in downwards direction, that a releasable plug is fastened in the centre, which
  • said plug comprises channels arranged to redirect the air flow about 90°, that said plug comprises a plurality of channels arranged with double bends, so that they firstly extend horizontally, and which then via obliquely upward
  • extending channel portions 17A pass into upwards directed channel outlets 17B to drain off sucked-up washing liquid, and that a suction ring for the suction of washing liquid from the floor is so positioned, that it surrounds the brush and may be attached to a rotary central shaft by means of a number of springs and said hub.
  • the hub in question which is adapted for a brush/disc of a cleaning machine, has preliminary three functions: to distribute clean water, to distribute vacuum for the suction, and to be an attachment for the brush. It has a concentric water feeding system which is based on a movable channel which rotates with the hub and conducts the water past a spring system and vacuum hoses. The channel is fed through a nozzle through the chassis. Then, the water is conducted through the hub and is spread down on to the floor in the centre of the brush.
  • the hub replaces a previous variant with water feeding in the centre through a tube, where the problem was that dirt accumulated easily and got stuck in the water feeding tube. By moving the water feeding radially outwards that problem was eliminated.
  • a type of cleaning machine is provided with a suction ring which is placed round the brush, which is attached to the rotary shaft by means of springs and the hub. These springs, and also the suction tubes, cause that the water must be conducted through a channel down under the brush in order not to sprinkle and disappear in the wrong place.
  • the hub now also exhibits a removable plug in the lower part, which makes it easy to clean, and which redirects the air flow for the suction about 90° with minimum flow losses.
  • Fig. 1 is a perspective view of a hub seen from above, which is adapted to be mounted on a floor cleaning machine and which exhibits brush and hoses,
  • Fig. 2 is a perspective view of only the hub
  • Fig. 3 is an exploded view of the hub
  • Figs. 4 and 5 illustrate the hub seen obliguely from above and obliguely from below, respectively,
  • Fig. 6 illustrates a floor cleaning machine adapted to support a hub in guestion
  • Fig. 7 illustrates the hub supported by such a floor cleaning machine in active position
  • FIGS. 8-11 illustrate the hub in different positions and with included parts
  • Figs. 12-13 illustrate a part of a floor cleaning machine with the hub mounted therein
  • Fig. 14 illustrates the air flow when washing liquid is sucked up
  • Figs. 15-16 illustrate the supply of water to the washing part of the machine.
  • a device 1 in a floor cleaning machine 3 functioning with liquid 2, which is preferably of the type which is brought forward manually along a floor 4 by a person walking after the machine, comprises according to the present invention a combined hub 5 for supporting a brush/disc 6 of said floor cleaning machine 3.
  • said hub 5 has three different functions, viz . :
  • A as a hub 5 for a brush/disc 6 for holding the same
  • Said hub 5 comprises a movable channel 12 for the supply of water 2, and which is arranged to rotate with the hub 5 and conduct the water 2 radially 13 from the outside 8 and towards the centre 9 of the hub 5 to be discharged axially 14 in downwards direction 15.
  • Said movable channel 12 is formed by a cone-shaped, in downwards 15 direction tapering sleeve, which is placed on the upper part of the hub 5 from above.
  • a plug 16 is inserted from below and removably attached, which comprises several channels 17 arranged to redirect the air flow 18 with the vacuum 18 about 90° radially from the outside 19 to axially upwards 20.
  • Said plug 16 comprises a plurality of channels 17 arranged with double bends, so that they firstly extend horizontally 17A, and which then via obliquely upwards extending channel portions 17 pass into upwards directed channel outlets 17B to drain off sucked-up washing liquid through a connected channel 21 for collection, for example, in a tank 22 in the machine 3. Also clean washing liquid may suitably be received in a separate tank 23 in the machine 3.
  • the numeral 50 in Fig. 1 refers to a hose connection for the feeding of water, and the numeral 51 refers to the bearing and bearing housing of the hub 5.
  • a suction ring 24 for the suction of washing liguid 11 from the floor 4 is so positioned, that it surrounds the brush 6 and may be attached to a rotary central shaft 25 by means of a number of springs 26, and said hub 5 and said suction ring 24 exhibit at regular intervals A along its periphery distributed sockets 27 to be connected to suction hoses 28.
  • three sockets 27 are arranged with central interruptions 29 at said hub 5 and the channel part 12 for the reception of said sockets 27 therein.
  • Said sockets 27 are connected to the channel portion 17A of said plug 16, which is bent about 90° and leads to the channel outlet 17B of said plug 16.

Landscapes

  • Cleaning In General (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

The invention relates to a device (1) in connection with a floor cleaning machine functioning with liquid. According to the invention a combined hub (5) for supporting a brush/disc (6) of a floor cleaning machine has three functions, viz. A: as a hub for a brush/disc for holding the same, B: as a distributor for the distribution of liquid to said machine, radially from the outside towards the centre of the hub, and C: as a distributor for the distribution of vacuum to said machine in order to suck up washing liquid from the machine.

Description

Device in connection with a floor cleaning machine
The present invention relates to a device in connection with a floor cleaning machine functioning with liquid.
As far as known floor cleaning machines and other similar machines functioning with liquid are concerned, the feeding of water is brought about in the centre of a rotatable brush or another floor treating tool. However, when such feeding of water in the centre is used, dirt has a tendency to accumulate easily and finally get stuck in the water inlet tube, which results in interruption of the functioning of the machine.
There are solutions in that washing liquid is supplied to the hub of a floor cleaning machine through a central tube and then is spread radially through radial spreader tubes. As examples thereof it is referred to US 6,052,854 A, US 5,711,051 A, US 2009/0260177 Al, and US 5,970,574 A. However, the washing liquid is still supplied centrally through a hose or a tube at the risk of clogging and stop in said tube or hose as a result.
Known solutions require complicated means in order to attach the rotatable brush, etc, of the machine, and suction means to suck up dirty washing liquid from the floor after the washing with machine. In this connection it is i.a. referred to the patent publications mentioned above, and also to GB 2 345 241 A.
A known compact hub, which comprises channels for the distribution of vacuum to said machine in order to suck up washing liquid, does not allow efficient deflection in intended direction, but whirls and other unwanted effects are formed. SE 529 868C2, owned by the present applicant, concerns a water suction device in a combi cleaning machine comprising three suction nozzles (11), which are surrounded by blades (12, 13) in one of their respective ends, for catching waste water and suction.
The water, which is conducted radially in the known machines, does not constitute distribution of liquid, but instead it is washing liquid which is
conducted towards the centre of the hub (18) of the brush to be forwarded to a waste water container (25) through a hose (24) . Clean washing water is supplied through an axial tube (14), which may, of course, be clogged easily.
Consequently, the main object of the present invention is first of all to among other things solve some of the problems described above by means of a device designed for that purpose.
Said object is achieved by means of a device according to the present invention, which is mainly characterized in that a combined hub for supporting a brush/disc of a floor cleaning machine has three
functions, viz.:
A: as a hub for a brush/disc for holding the same,
B: as a distributor for the distribution of liquid to said machine, radially from the outside towards the centre of the hub, and
C: as a distributor for the distribution of vacuum to said machine in order to suck up washing liquid from the machine, whereby the hub comprises a movable channel for the water supply, and which is arranged to rotate with the hub and conduct the water radially from the outside and towards the centre of the hub to be discharged axially in downwards direction, that a releasable plug is fastened in the centre, which
comprises channels arranged to redirect the air flow about 90°, that said plug comprises a plurality of channels arranged with double bends, so that they firstly extend horizontally, and which then via obliquely upward
extending channel portions 17A pass into upwards directed channel outlets 17B to drain off sucked-up washing liquid, and that a suction ring for the suction of washing liquid from the floor is so positioned, that it surrounds the brush and may be attached to a rotary central shaft by means of a number of springs and said hub.
The hub in question, which is adapted for a brush/disc of a cleaning machine, has preliminary three functions: to distribute clean water, to distribute vacuum for the suction, and to be an attachment for the brush. It has a concentric water feeding system which is based on a movable channel which rotates with the hub and conducts the water past a spring system and vacuum hoses. The channel is fed through a nozzle through the chassis. Then, the water is conducted through the hub and is spread down on to the floor in the centre of the brush.
The hub replaces a previous variant with water feeding in the centre through a tube, where the problem was that dirt accumulated easily and got stuck in the water feeding tube. By moving the water feeding radially outwards that problem was eliminated. However, a type of cleaning machine is provided with a suction ring which is placed round the brush, which is attached to the rotary shaft by means of springs and the hub. These springs, and also the suction tubes, cause that the water must be conducted through a channel down under the brush in order not to sprinkle and disappear in the wrong place. The hub now also exhibits a removable plug in the lower part, which makes it easy to clean, and which redirects the air flow for the suction about 90° with minimum flow losses.
The invention will be described in the following with reference to the accompanying drawings, in which :
Fig. 1 is a perspective view of a hub seen from above, which is adapted to be mounted on a floor cleaning machine and which exhibits brush and hoses,
Fig. 2 is a perspective view of only the hub,
Fig. 3 is an exploded view of the hub, Figs. 4 and 5 illustrate the hub seen obliguely from above and obliguely from below, respectively,
Fig. 6 illustrates a floor cleaning machine adapted to support a hub in guestion,
Fig. 7 illustrates the hub supported by such a floor cleaning machine in active position,
Figs. 8-11 illustrate the hub in different positions and with included parts,
Figs. 12-13 illustrate a part of a floor cleaning machine with the hub mounted therein,
Fig. 14 illustrates the air flow when washing liquid is sucked up, and
Figs. 15-16 illustrate the supply of water to the washing part of the machine.
A device 1 in a floor cleaning machine 3 functioning with liquid 2, which is preferably of the type which is brought forward manually along a floor 4 by a person walking after the machine, comprises according to the present invention a combined hub 5 for supporting a brush/disc 6 of said floor cleaning machine 3. According to the invention said hub 5 has three different functions, viz . :
A: as a hub 5 for a brush/disc 6 for holding the same,
B: as a distributor for the distribution of liquid 2 to said machine 3, radially 7 from the outside 8 towards the centre 9 of the hub, and
C: as a distributor for the distribution of vacuum 10 to said machine 3 in order to suck up washing liquid 11 fed out from the machine 3.
Said hub 5 comprises a movable channel 12 for the supply of water 2, and which is arranged to rotate with the hub 5 and conduct the water 2 radially 13 from the outside 8 and towards the centre 9 of the hub 5 to be discharged axially 14 in downwards direction 15. Said movable channel 12 is formed by a cone-shaped, in downwards 15 direction tapering sleeve, which is placed on the upper part of the hub 5 from above. In the centre 9 of the hub 5 a plug 16 is inserted from below and removably attached, which comprises several channels 17 arranged to redirect the air flow 18 with the vacuum 18 about 90° radially from the outside 19 to axially upwards 20. Said plug 16 comprises a plurality of channels 17 arranged with double bends, so that they firstly extend horizontally 17A, and which then via obliquely upwards extending channel portions 17 pass into upwards directed channel outlets 17B to drain off sucked-up washing liquid through a connected channel 21 for collection, for example, in a tank 22 in the machine 3. Also clean washing liquid may suitably be received in a separate tank 23 in the machine 3. The numeral 50 in Fig. 1 refers to a hose connection for the feeding of water, and the numeral 51 refers to the bearing and bearing housing of the hub 5.
A suction ring 24 for the suction of washing liguid 11 from the floor 4 is so positioned, that it surrounds the brush 6 and may be attached to a rotary central shaft 25 by means of a number of springs 26, and said hub 5 and said suction ring 24 exhibit at regular intervals A along its periphery distributed sockets 27 to be connected to suction hoses 28. In the illustrated embodiment three sockets 27 are arranged with central interruptions 29 at said hub 5 and the channel part 12 for the reception of said sockets 27 therein.
Said sockets 27 are connected to the channel portion 17A of said plug 16, which is bent about 90° and leads to the channel outlet 17B of said plug 16.
The nature and function of a hub 5 in question and its device 1 and arrangement at a floor cleaning machine 3 of known type should have been clear from the above description.
Of course, the invention is not limited to the embodiments described above and illustrated in the accompanying drawings. Modifications are possible, especially as far as the nature of the different parts is concerned, or by using equivalent technique, without departing from the scope of the invention as it is defined in the patent claims.

Claims

P A T E N T C L A I M S 1. Device (1) in connection with a floor cleaning machine (3) functioning with liguid (2),
c h a r a c t e r i z e d i n that a combined hub (5) for supporting a brush/disc (6) of a floor cleaning machine (3) has three functions, viz.:
A: as a hub for a brush/disc for holding the same,
B: as a distributor for the distribution of liquid (2) to said machine (3), radially (7) from the outside (8) towards the centre (9) of the hub, and
C: as a distributor for the distribution of vacuum (10) to said machine (3) in order to suck up washing liquid (11) from the machine (3),
whereby the hub (5) comprises a movable channel (12) for the water supply, and which is arranged to rotate with the hub (5) and conduct the water (2) radially (13) from the outside (8) and towards the centre (9) of the hub (5) to be discharged axially (14) in downwards (15) direction, that a releasable plug (16) is fastened in the centre (9), which comprises channels (17) arranged to redirect the air flow (18) about 90°, that said plug (16) comprises a plurality of channels (17) arranged with double bends, so that they firstly extend horizontally, and which then via obliquely upwards extending channel portions (17A) pass into upwards directed channel outlets (17B) to drain off sucked-up washing liquid (11), and that a suction ring (24) for the suction of washing liguid (11) from the floor (4) is so positioned, that it surrounds the brush (6) and may be attached in a rotary central shaft (25) by means of a number of springs (26) and said hub (5) .
2. Device according to Claim 1,
c h a r a c t e r i z e d i n that said movable channel (12) is formed by a cone-shaped, in downwards direction tapering sleeve.
3. Device according to anyone of the
preceding Claims, c h a r a c t e r i z e d i n that the suction ring (24) exhibits at regular intervals along its periphery distributed sockets (27) to be connected to suction hoses (28).
4. Device according to Claim 3,
c h a r a c t e r i z e d i n that three sockets (27) are arranged with central interruptions (29) at said hub (5) and the channel part (12) for the reception of said sockets (27) therein.
EP11798451.8A 2010-06-23 2011-06-16 Device in connection with a floor cleaning machine Withdrawn EP2584950A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1050681A SE535021C2 (en) 2010-06-23 2010-06-23 Device for floor cleaning machine
PCT/SE2011/050756 WO2011162680A1 (en) 2010-06-23 2011-06-16 Device in connection with a floor cleaning machine

Publications (2)

Publication Number Publication Date
EP2584950A1 true EP2584950A1 (en) 2013-05-01
EP2584950A4 EP2584950A4 (en) 2014-05-21

Family

ID=45371656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11798451.8A Withdrawn EP2584950A4 (en) 2010-06-23 2011-06-16 Device in connection with a floor cleaning machine

Country Status (9)

Country Link
US (1) US20130205534A1 (en)
EP (1) EP2584950A4 (en)
JP (1) JP5508602B2 (en)
CN (1) CN102946782B (en)
AU (1) AU2011269903B2 (en)
CA (1) CA2799151C (en)
RU (1) RU2526016C1 (en)
SE (1) SE535021C2 (en)
WO (1) WO2011162680A1 (en)

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SE535021C2 (en) 2010-06-23 2012-03-13 Qleeno Ab Device for floor cleaning machine
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SE535704C2 (en) 2011-06-28 2012-11-13 Qleeno Ab Fluid system for scrubber
AU348866S (en) 2012-10-19 2013-05-28 Qleeno Ab Cleaning machine

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See also references of WO2011162680A1

Also Published As

Publication number Publication date
CN102946782B (en) 2015-09-30
RU2012149581A (en) 2014-07-27
JP2013529497A (en) 2013-07-22
SE535021C2 (en) 2012-03-13
CN102946782A (en) 2013-02-27
AU2011269903B2 (en) 2014-06-12
CA2799151A1 (en) 2011-12-29
US20130205534A1 (en) 2013-08-15
SE1050681A1 (en) 2011-12-24
RU2526016C1 (en) 2014-08-20
JP5508602B2 (en) 2014-06-04
WO2011162680A1 (en) 2011-12-29
EP2584950A4 (en) 2014-05-21
AU2011269903A1 (en) 2012-11-15
CA2799151C (en) 2015-10-13

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