EP3188636B1 - Dispositif de rampe d'aspiration pour une machine de nettoyage de sol, machine de nettoyage de sol et procédé pour le nettoyage de sols carrelés - Google Patents

Dispositif de rampe d'aspiration pour une machine de nettoyage de sol, machine de nettoyage de sol et procédé pour le nettoyage de sols carrelés Download PDF

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Publication number
EP3188636B1
EP3188636B1 EP14766126.8A EP14766126A EP3188636B1 EP 3188636 B1 EP3188636 B1 EP 3188636B1 EP 14766126 A EP14766126 A EP 14766126A EP 3188636 B1 EP3188636 B1 EP 3188636B1
Authority
EP
European Patent Office
Prior art keywords
suction
support
carrier
connection region
floor
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
EP14766126.8A
Other languages
German (de)
English (en)
Other versions
EP3188636A1 (fr
Inventor
Alexander BRÄNDLE
Ekkehard TRÄNCKLER
Michael Dieterich
Jürgen Walz
Henning Hayn
Eugen Class
Gilles Troff
Wilhelm Eisenmann
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
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 Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP3188636A1 publication Critical patent/EP3188636A1/fr
Application granted granted Critical
Publication of EP3188636B1 publication Critical patent/EP3188636B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L11/29—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
    • 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
    • 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
    • A47L11/4061—Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated

Definitions

  • the invention relates to a suction bar device for a floor cleaning machine, comprising a carrier device with at least a first carrier and a second carrier, and with a connection region between the first carrier and the second carrier, a first scraper device which is arranged on the carrier device, and a second scraper device which is arranged on the carrier device, wherein between the first wiper device and the second wiper device when abutting a floor to be cleaned, a suction chamber is formed.
  • the invention further relates to a floor cleaning machine comprising a suction fan device and a suction bar device.
  • the invention relates to a method for cleaning tile floors, in which excess liquid is absorbed via a Saugbalkenvorraum.
  • the dirt-holding device comprises a carrier and at least one wiper member for stripping the bottom surface, the carrier and the at least one wiper member forming boundaries of a suction channel opening into a suction mouth whose free cross-sectional area passable by a suction flow decreases in a direction away from the suction mouth, at least in one channel section ,
  • a suction channel opening into a suction mouth whose free cross-sectional area passable by a suction flow decreases in a direction away from the suction mouth, at least in one channel section ,
  • In the suction channel at least one channel constriction member is arranged, which is manufactured separately from the carrier.
  • the EP 2 554 090 B1 and the EP 2 554 089 B1 are scraper arrangements for a floor cleaning machine known.
  • the EP 1 968 422 B1 discloses a puller apparatus for use with a floor cleaning machine.
  • the invention has for its object to provide a Saugbalkenvortechnische of the type mentioned, by means of which can achieve optimized cleaning results, especially for tile floors.
  • the suction beam device mentioned above in that at least one first suction point is arranged on the first carrier and at least one second suction point is arranged on the second carrier spaced from the connecting region, wherein the first suction point and the second Extraction point each lead into the suction chamber that a Connecting line between the first suction point and the second suction point spaced from the connection region, and that at the connection region of the second scraper device is associated with at least one opening through which fluid can be flowed into the suction space at the connecting portion, wherein the second scraper device closer to the connecting line between the first suction point and the second suction point is as the first scraper device.
  • At least one suction point is arranged both on the first carrier and on the second carrier.
  • the flow can be divided in the suction chamber and lead targeted; Liquid can be specifically discharged into "non-critical areas”. This results in a rapid absorption of liquid.
  • the transport path in the suction chamber is relatively short. As a result, less liquid is in the suction chamber and there is an effective suction.
  • the at least one opening at the connection area is an inflow opening. This allows a division of the flow. This in turn causes at most a small amount of liquid to remain at the connection area. Liquid is effectively removed from the connection area.
  • the second scraper device is closer to the connecting line than the first scraper device.
  • the carrier device has a curved or angled construction, wherein, in the cleaning process, with respect to a specific surface to be cleaned, first the second scraper device moves over the surface to be cleaned and then the first scraper device. It results in optimized use of space an optimized "collecting" of excess liquid on the floor to be cleaned.
  • the at least one opening is formed on and / or in the second scraper device.
  • the second scraper device is designed in several parts, wherein the at least one opening is formed between parts of the second scraper device. A separation gap between adjacent parts forms the opening.
  • the second wiper device has regions which are arranged on the first carrier and the second carrier, and which are provided with through slots and / or non-continuous grooves, wherein in a cleaning operation upon contact of the second wiper device on a floor to be cleaned the inflow of fluid into the suction chamber is made possible.
  • This allows the penetration of fluid into the suction chamber on the second scraper device to enable optimized suction.
  • the suction takes place in the suction chamber, which still has a certain tightness at the second scraper device.
  • the first wiper device is formed liquid-tight, so that in a cleaning operation when planting the first scraper on a floor to be cleaned substantially no fluid from the suction chamber at the first scraper device can be flowed out. This results in optimized extraction results.
  • a direction from the first scraper device to the second scraper device at the connecting portion corresponds to a forward traveling direction for the suction beam device in a cleaning operation.
  • the suction bar device can be guided in the manner of a reverse plow over a surface to be cleaned. This results in an optimized "liquid collection" function.
  • first extraction point is arranged at a distance from one end of the first carrier, this end being remote from the connection region, and / or the second extraction point is spaced from one end of the second carrier, this end being spaced from the connection region , It has been shown that this results in optimized flow properties. The corresponding split flow ensures effective fluid removal.
  • first carrier and the second carrier are arranged at an obtuse angle to each other. This results in an optimized cleaning function for tile floors. Tile joints can be crossed at an angle. This results in a long residence time over joints. This in turn can effectively dissipate liquid from the joints. The squirting of liquid from joints in an already cleaned area or the tightening of liquid can be largely avoided.
  • the obtuse angle is at most 150 °. As an obtuse angle, this angle is greater than 90 °. For example, it is between 120 ° and 150 °.
  • an adjusting device by which the obtuse angle is detectably adjustable. This makes it possible to adapt to existing conditions and the cleaning result can be optimized.
  • the adjustment means comprises an actuator.
  • this actuator which is, for example, electric, magnetic, hydraulic or pneumatic (where combinations are possible), a certain angle can be determined variable.
  • a control method in which an adaptation to the existing conditions takes place on the basis of environmental data (such as sensor data and / or stored data).
  • the first carrier and / or the second carrier are straight.
  • the corresponding suction bar device can be produced in a simple manner. This results in optimized cleaning results. In particular, a long residence time over certain areas (such as tile joints) is achieved.
  • connection device for the fluid-effective connection of the first suction point and the second suction point with one or more suction ports of the floor cleaning machine is provided in order to achieve effective suction.
  • connection means includes a branch having a first inlet, a second inlet, and an outlet, the first inlet fluidly connected or connectable to the first suction location, the second inlet fluidically connected or connectable to the second extraction site, and the first inlet Outlet fluidly connected to a suction port of the floor cleaning machine or is connectable.
  • the carrier device has a plurality of connecting regions, on each of which a first carrier is arranged toward one side and a second carrier is arranged on an opposite side.
  • a corresponding carrier device then has, for example, the shape of a W.
  • a holding device is provided for fixing to the floor cleaning machine.
  • the suction bar device can be particularly releasably coupled to the floor cleaning machine.
  • the holding device is arranged or formed on the connecting region and is fixed in particular on the connecting region and / or on the first carrier and / or on the second carrier. This makes it possible to achieve a structurally simple construction with minimization of the required elements.
  • the holding device can also be used to fix the first carrier and the second carrier to the connection region.
  • connection region is formed on a member which is made separately from the first carrier and / or the second carrier, wherein the first carrier and / or the second carrier are fixed to this element.
  • a combination of the connecting region, the first carrier and the second carrier has a multi-part detachable structure. It can be realized in particular a kit, which can be adapted in a simple manner, adapted to the given conditions (such as floor cleaning machine and / or environment to be cleaned).
  • connection region has a polygonal contour with a relatively sharp edge. It can also be provided that the Connection region has a rounded outer contour at least in the region of the second scraper device.
  • a floor cleaning machine comprises a Saugbalkenvortechnik invention, which is fluidly connected to the suction fan device.
  • the floor cleaning machine according to the invention has the advantages already explained in connection with the suction bar device according to the invention.
  • suction bar device is pivotally held on a chassis. As a result, optimized cleaning results can be achieved. Furthermore, when attacking, for example, on a wall escape the Saugbalkenvoriques. This minimizes the risk of damaging both the wall and the suction bar device.
  • the floor cleaning machine is designed in particular mobile. It can be designed, for example, as a ride-on floor cleaning machine or stand-up floor cleaning machine or as a trailer floor cleaning machine. It may have a traction drive or be moved by the user.
  • a discharge device for cleaning liquid is provided on a floor to be cleaned. Excess liquid is then aspirated through the suction bar device.
  • a floor cleaning machine according to the invention can also be advantageously used for cleaning tile floors (with joints between tiles).
  • a method of the type mentioned is provided in which an absorbent bar device according to the invention is used, wherein the first carrier and the second carrier are positioned obliquely to tile joints, liquid is brought to the bottom and optionally air via the at least one opening at the connecting portion and the second scraper in the suction chamber and liquid from the suction chamber at the first suction and second suction, which are each spaced from the connection area is sucked.
  • the method according to the invention has the advantages already explained in connection with the suction bar device according to the invention.
  • the carrier device is moved over the ground in a forward direction in a direction which is parallel to a direction from the first stripper device to the second stripper device. This results in optimized cleaning results.
  • An embodiment of a floor cleaning machine is a mobile ride-floor cleaning machine, which in FIG. 1 represented and designated there with 10.
  • This comprises a chassis 12.
  • a rear wheel 14 and a front wheel 16 are arranged.
  • the front wheel 16 includes a steerable front wheel 18.
  • This front wheel 18 is arranged, for example, on a center plane 20 of the chassis 12 on the chassis 12.
  • the front wheel 18 is associated with a steering wheel 22 through which an operator can steer the front wheel 18 to cause a change in direction of the ride-on floor cleaning machine 10.
  • the rear wheel device 14 comprises a left rear wheel 24 and a right rear wheel 26.
  • a shaft 28 is provided, by means of which the rear wheels 24, 26 are rotatable about a rear wheel axle 30.
  • a seat 32 is arranged for an operator.
  • a suction fan device 34 is provided on the chassis 12 further elements of the floor cleaning machine 10 .
  • the suction fan 34 generates a suction flow.
  • the suction fan device 34 is in fluid-effective contact with a suction bar device 36.
  • the suction bar device 36 is placed on a floor 38 to be cleaned.
  • liquid can be sucked off the floor 38 to be cleaned by means of the suction flow generated by the suction fan device 34 via the suction bar device 36.
  • the Sauggebläse issued 34 (at least) associated with a waste water tank 40.
  • the dirty water tank 40 is seated on the chassis 12.
  • the suction bar device 36 is positioned on the chassis 12. It sits in one embodiment in the region of a rear end 42 of the floor cleaning machine 10th
  • the floor cleaning machine 10 has a front end 44 which is remote from the rear end 42.
  • a longitudinal direction 46 of the chassis 12 and thus the floor cleaning machine 10 is a distance direction between the rear end 42 and the front end 44th
  • the front end 44 When driving forward (indicated in FIG. 1 by the arrow with reference numeral 48) of the floor cleaning machine 10, the front end 44 is located in front of the rear end 42nd
  • a floor treatment unit 50 is disposed on the chassis 12 between the rear wheel 14 and the front wheel 16.
  • the soil working unit 50 includes, for example, one or more scrubbing elements.
  • the floor cleaning machine 10 is then a scrubber-drier.
  • water 38 with or without cleaning additive can be supplied to the floor 38 to be cleaned, whereby this cleaning liquid can be supplied to the floor 38, for example via the floor treatment unit 50 as discharge device for cleaning fluid or in the vicinity of the floor treatment unit 50.
  • a fresh water tank 52 is arranged on the chassis 12.
  • another floor treatment unit 54 is seated on the chassis 12 in the vicinity of the front end 44.
  • This floor treatment unit 54 comprises, in particular, one or more sweeping tools 56 and in particular sweeping brushes.
  • a traction drive motor for the floor cleaning machine 10 and, if this traction drive motor is an electric motor, a battery device for supplying this electric motor with electrical energy.
  • this traction drive motor is an electric motor
  • a battery device for supplying this electric motor with electrical energy.
  • the front wheel 18 is driven.
  • the suction bar device 36 is arranged on the chassis 12 in the region of the rear end 42. It is in particular arranged so that it protrudes slightly beyond the rear end 42 in a basic position, is flush with this or slightly offset from the rear end 42 inwards.
  • the suction bar device 36 is held on the chassis 12 via a holder 58.
  • the holder 58 is positioned below the chassis 12 between a footprint of the floor cleaning machine 10 (the floor to be cleaned 38) and the chassis 12.
  • the holder 58 is pivotally supported on the chassis 12.
  • a pivot axis 60 when the floor cleaning machine 10 rests on the substrate 38, transverse and, for example, perpendicular to the substrate 38.
  • the Saugbalkenvorraum 36 when it is fixed to the holder 58, relative to the chassis 12 to the Swivel axis 60 swiveling.
  • the suction bar device 36 In a pivoting basic position, the suction bar device 36 is oriented symmetrically to a center plane of the chassis 12. (In FIG. 1 this median plane is parallel to the drawing plane.)
  • a support means 64 is provided.
  • the carrier device 64 comprises a first carrier 66 and a second carrier 68.
  • the first carrier 66 and the second carrier 68 are connected to one another via a connection region 70.
  • connection region 70 is formed by a member 72 which is made separate from the first support 66 and the second support 68.
  • This element 72 is connected to the first carrier 66 and the second carrier 68, so that the combination of the element 72 and the first carrier 66 and the second carrier 68 forms the carrier device 64 with the connection region 70.
  • first carrier 66 and the second carrier 68 are integrally connected to one another and the connection region 70 is then formed on this one-piece combination. Furthermore, it is possible for the first carrier 66 and the second carrier 68 to be connected to one another without additional element 72, and correspondingly for the connection region 70 to be formed on this combination.
  • the first carrier 66 is connected to the element 72 and the second carrier 68 is connected to the element 72. It can be provided that on the element 72, a corresponding device such as a form-locking device for fixing or improved fixation of the first carrier 66 and the second carrier 68 is arranged.
  • the holding device 74 includes, for example, a holding plate 76.
  • the holding plate 76 is fixed to an upper side of both the first carrier 66 and the second carrier 68 and thereby arranged above the connecting region 70 (and thus of the element 72) ,
  • the first carrier 66 and the second carrier 68 are designed as profiled strips. They are in particular made of a metallic material.
  • the first carrier 66 extends in a first longitudinal axis 78.
  • the second carrier 68 extends in a second longitudinal axis 80.
  • the first longitudinal axis 78 and the second longitudinal axis 80 are in particular straight lines.
  • the first carrier 66 and the second carrier 68 are basically the same.
  • the profile of the first carrier 66 and the second carrier 68 is open to a lower side 82 of the first carrier 66 or of the second carrier 68. As a result, a space 84 is formed on the first carrier 66 and the second carrier 68.
  • a first scraper 86 and a second scraper 88 are arranged on the carrier device 64.
  • the first wiper means 86 and the second wiper means 88 comprise lips of elastic material.
  • the first wiper device 86 and the second wiper device 88 rest on the floor 38 to be cleaned (cf. FIGS. 13 (a) and (b) ).
  • the first scraper device 86 and the second scraper device 88 are spaced from one another.
  • a spacing direction 90 between the first stripper 86 and the second stripper 88 is parallel to and in the direction of this spacing 90 Direction of forward travel 48 directed.
  • a suction chamber 92 is formed on the suction beam device 62.
  • This suction space 92 is formed by the space 84 and by the continuation of this space 84 between the first stripper 86 and the second stripper 88.
  • the first scraper means 86 and the second scraper means 88 when in contact with the floor 38, provide some (see below) fluid tightness and optimized flow conditions for aspirating liquid from the suction space 92.
  • the first scraper device 86 is designed so that over its entire length on the carrier device 84, and when it rests against the bottom 38, a fluid seal is achieved.
  • the first scraper device 86 is integrally formed and extends from one end 94 of the first carrier 66 to one end 96 of the second carrier 68.
  • the first wiper device 86 follows the contour of the combination of the first carrier 66, the second carrier 68 and the connecting region 70.
  • a groove 87 (FIG. FIG. 13 (a), (b) ), in which the first scraper 86 is seated.
  • the second scraper device 88 is not completely fluid-tight. In one embodiment, it is designed in several parts with a first part 98 and a second part 100.
  • the first part 98 is arranged parallel to the corresponding region of the first stripping device 86 on the first carrier 66.
  • the second part 100 of the second wiper device 88 is arranged parallel to the corresponding region of the first wiper device 86 on the second carrier 68.
  • the first part 98 and the second part 100 face each other, with a separating gap between them.
  • an opening 102 in the suction chamber 92 is formed at the connection region 70. Liquid (and air) can flow into the suction chamber 92 via this opening.
  • the second scraper device 88 follows the contour of the carrier device 64, but is spaced therefrom. Accordingly, the first carrier 66 and the second carrier 68 have grooves 101 in which the first part 98 and the second part 100 of FIG second scraper 88 are arranged.
  • the second stripper 88 is integrally formed.
  • the opening 102 is then formed in the second wiper 88 by a corresponding recess there.
  • the first carrier 66 and the second carrier 68 each have an end 104 spaced from the connecting region 70.
  • a rotatable roller 106 is arranged on an upper side of the respective carrier 66 or 68.
  • a sensor device for detecting a stop and / or a distance can be arranged on or to a wall.
  • an outer lateral end of the support means 64 is formed in each case. It also minimizes the risk of damage to a wall when it hits.
  • the termination is accomplished by providing the first scraper assembly 86 with a kink portion 108.
  • a contact element 110 is arranged on the corresponding carrier 66 or 68, which is, for example, triangular. Due to the bending region 108, the first wiper device 86 is deflected toward the second wiper device 88. In this area, the second stripping device 88 also abuts against the abutment element 110. At a point 112, the first scraper device 86 and the second scraper device 88 touch.
  • a fluid-tightness can be provided.
  • the point 112 it is also possible for the point 112 to be formed such that fluid can flow into the suction chamber 92 in the region of the end 104.
  • the second scraper device 88 has regions 114, which are designed such that, in one operation, even if the second scraper device 88 bears against the bottom 38, fluid is applied to the second scraper device 88 in FIG the suction chamber 92 can penetrate. This allows effective extraction.
  • the areas 114 are, for example, designed such that the second stripping device 88 is provided there with through slots which enable a fluid-effective connection between the suction space 92 and the exterior space.
  • non-continuous grooves 116 (shown in FIG. FIGS. 13 (a), (b) ; FIG. 6 ) educated.
  • the second scraper device 88 abuts in such regions 114, it is deflected and, with sufficient curvature, the grooves 116 enable a fluid-effective connection between the suction chamber 92 and the outer space.
  • a corresponding area 114 on the second wiper means 88 is provided on the first carrier 66 and the second carrier 68 near the respective ends 104 spaced from the connection area 70.
  • a corresponding formation of the second wiper device 88 is also possible, for example, for a corresponding formation of the second wiper device 88 to be provided on the first carrier 66 and the second carrier 68 in the vicinity of the connecting region 70.
  • a holder 118 for a roller 120 is seated on the first carrier 66 and the second carrier 68. (Several rollers may also be provided.)
  • the holder 118 with its roller 120 is dimensioned such that in a cleaning operation the suction bar device 82 can be supported via the corresponding rollers 120 on the first carrier 66 and the second carrier 68.
  • the rollers 120 are in particular designed as steering rollers, which have a rotation perpendicular to their direction of rotation. (This direction of rotation is in FIG. 6 perpendicular to the drawing plane.)
  • the first carrier 66 and the second carrier 68 are relative to their longitudinal axes 78 and 80 at an obtuse angle 122 to each other (see. FIG. 8 ).
  • This obtuse angle 122 is in particular less than 150 ° and as an obtuse angle greater than 90 °.
  • the obtuse angle 122 is at about 140 °.
  • the obtuse angle 122 is between 150 ° and 120 °.
  • first suction point 124 On the first carrier 68, a first suction point 124 is arranged. On the second carrier 68, a second suction point 126 is arranged.
  • the first suction point 124 and the second suction point 126 are each spaced from the connection region 70 and spaced from the respective ends 104 of the first carrier 66 and the second carrier 68, respectively.
  • the first suction point 124 and the second suction point 126 each have an opening 128 (cf. FIG. 6 ), which passes through an upper side of the first carrier 66 and the second carrier 68 and opens into the suction chamber 92. Through the corresponding opening 128 can be sucked fluid from the suction chamber 92.
  • the corresponding opening 128 is, for example, slit-shaped.
  • the openings 128 of the first suction point 124 and the second suction point 126 are symmetrical to the connection region 70. It can also be provided an asymmetric suction.
  • first extraction point 124 lies between a region 114 and the opening 102 (in a direction along the first longitudinal axis 78).
  • the second extraction point 126 lies in particular between a region 114 and the connection region (in a direction along the second longitudinal axis 80).
  • the first suction point 124 and the second suction point 126 is associated with a connection device 130, via which a fluid-effective connection between the first suction point 124, the second suction point 126 and a corresponding suction port 132 (FIG. FIG. 1 ) of the floor cleaning machine 10 can be produced.
  • the connector 130 is formed as a branch 134.
  • This branch 134 has a first inlet 136, which is formed on a corresponding tube 138.
  • This first inlet 136 is connected to the first suction point 124 and, for example, firmly connected.
  • the branch 134 further has a second inlet on a pipe 142.
  • This second inlet 140 is for example firmly connected to the second suction point 126.
  • the branch 134 has an outlet 144.
  • the tubes 138 and 142 lead to a manifold 146, on which the outlet 144 is seated.
  • This outlet 144 can be fluidically connected to the suction port 132. An extraction in the suction chamber 92 on both the first support 66 and the second support 68 can then take place via a single suction connection 132 of the floor cleaning machine 10.
  • first extraction point 124 and the second extraction point 126 are each connected to a separate suction connection of the floor cleaning machine 10.
  • a connecting line 148 (cf. FIG. 7 ) between the first suction point 124 and the second suction point 126 is spaced from the connecting area 70 due to the obtuse angle 122.
  • the second wiper 88 is closer to this connecting line 148 than the first wiper 86 (relative to the spacing direction 90).
  • the suction bar device 36 operates as follows: During a forward travel in the direction 48 of the floor cleaning machine 10 and a swing home position of the suction bar device 36, the first carrier 66 and the second carrier 68 are at an angle which corresponds to half of the obtuse angle 122, to the direction 48 Suction bar device 36 is particularly suitable for the cleaning of tile floors with joints 150 (see. FIGS. 13 (a) and (b) ). The first carrier 66 and the second carrier 68 are moved obliquely to joint directions of the joints 150. This results in an optimal cleaning result.
  • the cleaning result is optimized when the obtuse angle 122 is less than or equal to 150 °.
  • the exact dimensioning of the obtuse angle 122 also depends on the design and the material of the first wiper device 86 and the second wiper device 88. It is for example between 120 ° and 150 °. In a concrete embodiment, it is approximately 140 °.
  • the first wiper device 86 and the second wiper device 88 rest against the bottom 38 (FIG. Figure 13 (a) ).
  • the first scraper device 86 provides a fluid-tight seal to one side (the "back").
  • the second wiper 88 is designed so that on the one hand air and liquid can still flow into the suction chamber 92, but that such tightness prevails that suction is possible. Accordingly, the regions 114 are provided.
  • the suction is optimized.
  • an optimized suction flow is achieved, which ensures optimized flow conditions with respect to the suction from the suction chamber 92.
  • mostly "standing" cleaning liquid is sucked out of joints 150.
  • connection area 70 A certain critical area is the connection area 70.
  • fluid can be sucked in there and then discharged laterally to the suction points 124 and 126. It has been shown that with the appropriate training no cleaning liquid is present at the connection region 70 in the suction chamber 92, but a substantially complete suction is achieved.
  • connection region 70 ensure good drying, in particular of tiled floors, during cleaning with a floor cleaning machine (in particular scrubber-suction machine). Water splashes and the tightening of liquid, which can occur by immersion in joints 150, is largely prevented.
  • the obtuse angle 122 ensures a non-parallel passage over joints 150.
  • the suction beam device 130 has a long residence time on a joint 150.
  • the flow in the suction chamber 92 is oriented and, in particular, targeted so as to prevent accumulation of fluid (even in joints 150). There is a rapid absorption and suction of appropriate excess liquid and the transport routes for liquid in the suction chamber 92 are kept relatively short.
  • the corresponding flow is divided and correspondingly fluid is selectively guided and thereby guided into non-critical areas.
  • the opening 102 which is an inflow opening, ensures that a minimum of liquid remains at the connection area (70).
  • the connecting region 70 is formed as a corner region or is correspondingly rounded, such as in FIG. 8 shown.
  • the carrier device 64 as a combination of the first carrier 66, the second carrier 68 and the connecting portion 70 has a V-shape.
  • the suction beam device 62 is seated on the floor cleaning machine 10 such that the ends 104 of the first carrier 66 and the second carrier 68 are closer to the front wheel 16 than the connecting portion 70.
  • the tip 162 (FIG. FIG. 6 ) of the V (which tip may be rounded) farthest back, that is, the rearmost point of the support 64 (relative to the pivotal home position of the suction beam device 62). This results in an optimized liquid "collection function" and the space available at the floor cleaning machine 10 can be used optimally.
  • the suction bar device 92 is designed as a kit, wherein in particular different carriers 66, 68 can be positioned on a corresponding element 72. It can be an adaptation to actual conditions perform.
  • the suction bar device comprises an adjusting device, by means of which the obtuse angle 122 between the first carrier 66 and the second carrier 68 is detectably adjustable.
  • the first carrier 66 and the second carrier 68 are connected via a hinge element 152.
  • the hinge element 152 can be a mechanical element with a defined shaft or, for example, an elastic element which allows an adjustability of the corresponding angle.
  • a determination of a set obtuse angle 122 for example, via a holding plate 154, which is provided with slots 156.
  • Corresponding pin elements 158 on the first carrier 66 and the second carrier 68 are guided in the respective oblong holes 156.
  • By appropriate definition of such a pin member 158 relative to the support plate 154 then sets the set angle 122.
  • FIG. 11 is also a hinge member 152 is provided.
  • the corresponding adjustment device further comprises an actuator 160.
  • the angle 122 is detectably adjustable.
  • the actuator 160 is, for example, an electrical actuator, magnetic Actuator, hydraulic actuator or pneumatic actuator. About him can also be controlled in particular the obtuse angle 122 set.
  • obtuse angle 122 can then be provided, for example, a regulation in which the obtuse angle 122 is set depending on existing conditions.
  • data from one or more sensors is used and / or data from stored information is used to set a specific obtuse angle 122 or above a specific width of the suction bar device 36.
  • Possible sensor information comes, for example, from one or more floor sensors, dirt sensors, humidity sensors, distance sensors, etc.
  • Stored information can be, for example, environmental maps.
  • connection regions 70 ', 70 " are provided with respectively connected carriers 66', 68 'and 66", 68 ".
  • the combination of a first carrier 66', a connection region 70 'and a second carrier 68' or the combination 66 ' , 70 ", 68 ' corresponds to the embodiment of the carrier device 64.
  • There are a plurality of carrier devices 64 in FIG. 12 two such carrier devices 64) connected to each other. This results in a W-shape for the corresponding Saugbalkenvoriques. This basically works in the same way as the suction bar device 62.

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Claims (15)

  1. Dispositif de rampe d'aspiration pour une machine de nettoyage de sol (10), comportant un dispositif support (64) pourvu au moins d'un premier support (66 ; 66' ; 66'') et d'un deuxième support (68 ; 68' ; 68''), et d'une zone de liaison (70 ; 70' ; 70'') entre le premier support (66 ; 66' ; 66'') et le deuxième support (68 ; 68' ; 68''), un premier dispositif de raclage (86), lequel est agencé sur le dispositif support (64), et un deuxième dispositif de raclage (88), lequel est agencé sur le dispositif support (64), dans lequel un espace d'aspiration (92) est formé entre le premier dispositif de raclage (86) et le deuxième dispositif de raclage (88) lorsque celui-ci est en appui sur un sol (38) à nettoyer, caractérisé en ce qu'au moins un premier emplacement d'aspiration (124) est situé au niveau du premier support (66 ; 66' ; 66'') à une certaine distance de la zone de liaison (70) et au moins un deuxième emplacement d'aspiration (126) est situé au niveau du deuxième support (68 ; 68' ; 68''), à une certaine distance de la zone de liaison (70 ; 70' ; 70''), dans lequel le premier emplacement d'aspiration (124) et le deuxième emplacement d'aspiration (126) débouchent à chaque fois dans l'espace d'aspiration (92), en ce qu'une ligne de liaison (148) entre le premier emplacement d'aspiration (124) et le deuxième emplacement d'aspiration (126) se trouve à une certaine distance de la zone de liaison (70 ; 70' ; 70''), et en ce qu'au moins une ouverture (102) est associée au deuxième dispositif de raclage (88) au niveau de la zone de liaison (70 ; 70' ; 70"), ouverture par l'intermédiaire de laquelle du fluide peut affluer au niveau de la zone de liaison (70 ; 70' ; 70") dans l'espace d'aspiration (92), dans lequel le deuxième dispositif de raclage (88) est situé plus près de la ligne de liaison (148), entre le premier emplacement d'aspiration (124) et le deuxième emplacement d'aspiration (126), que le premier dispositif de raclage (86).
  2. Dispositif de rampe d'aspiration selon la revendication 1, caractérisé en ce que la au moins une ouverture (100) est formée sur et/ou dans le deuxième dispositif de raclage (88).
  3. Dispositif de rampe d'aspiration selon la revendication 1 ou 2, caractérisé en ce que le deuxième dispositif de raclage (88) est réalisé en plusieurs parties, dans lequel la au moins une ouverture (102) est formée entre des parties (98, 100) du deuxième dispositif de raclage (88).
  4. Dispositif de rampe d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que le deuxième dispositif de raclage (88) présente des zones (114), lesquelles sont situées sur le premier support (66 ; 66' ; 66") et le deuxième support (68 ; 68' ; 68"), et lesquelles sont pourvues de fentes continues et/ou de rainures discontinues (116), dans lequel, en mode nettoyage, lorsque le deuxième dispositif de raclage (88) est en appui sur un sol (38) à nettoyer, l'admission de fluide dans l'espace d'aspiration (92) est permise.
  5. Dispositif de rampe d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier dispositif de raclage (86) est étanche au fluide, de sorte qu'en mode nettoyage, lorsque le premier dispositif de raclage (86) est en appui sur un sol (38) à nettoyer, sensiblement aucun fluide ne peut s'écouler de l'espace d'aspiration (92) au niveau du premier dispositif de raclage (86).
  6. Dispositif de rampe d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier emplacement d'aspiration (124) est agencé à une certaine distance d'une extrémité (104) du premier support (66 ; 66' ; 66''), dans lequel cette extrémité (104) est opposée à la zone de liaison (70 ; 70' ; 70''), et/ou en ce que le deuxième emplacement d'aspiration (126) se trouve à une certaine distance d'une extrémité (104) du deuxième support (68 ; 68' ; 68''), dans lequel cette extrémité (104) se trouve à une certaine distance de la zone de liaison (70 ; 70' ; 70'').
  7. Dispositif de rampe d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier support (66 ; 66' ; 66'') et le deuxième support (68 ; 68' ; 68'') sont agencés en formant un angle obtus (122) l'un par rapport à l'autre, et en particulier en ce que l'angle obtus (122) atteint au maximum 150°, et caractérisé en particulier par un dispositif de réglage (152, 154 ; 152, 160), par l'intermédiaire duquel l'angle obtus (122) peut être réglé de manière déterminée, et en particulier en ce que le dispositif de réglage comporte un actionneur (160).
  8. Dispositif de rampe d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier support (66 ; 66' ; 66'') et/ou le deuxième support (68 ; 68' ; 68'') sont droits, et en particulier en ce qu'une combinaison composée du premier support (66 ; 66' ; 66''), du deuxième support (68 ; 68' ; 68'') et de la zone de liaison (70 ; 70' ; 70'') présente une forme de V.
  9. Dispositif de rampe d'aspiration selon l'une quelconque des revendications précédentes, caractérisé par un système de raccordement pour la liaison fluidique du premier emplacement d'aspiration (124) et du deuxième emplacement d'aspiration (126) à un ou plusieurs raccords d'aspiration (132) de la machine de nettoyage de sol (10), et en particulier en ce que le système de raccordement comporte une dérivation (134) pourvue d'une première entrée (136), d'une deuxième entrée (140) et d'une sortie (144), dans lequel la première entrée (136) est ou peut être en liaison fluidique avec le premier emplacement d'aspiration (124), la deuxième entrée (140) peut être ou est en liaison fluidique avec le deuxième emplacement d'aspiration (126) et la sortie (144) est ou peut être en liaison fluidique avec un raccord d'aspiration (132) de la machine de nettoyage de sol (10).
  10. Dispositif de rampe d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif support (64) présente une pluralité de zones de liaison (70' ; 70''), au niveau desquelles, respectivement, un premier support (66' ; 66") est agencé vers un premier côté et un deuxième support (68' ; 68") est agencé vers un côté opposé.
  11. Dispositif de rampe d'aspiration selon l'une quelconque des revendications précédentes, caractérisé par un système de retenue (74) pour la fixation à la machine de nettoyage de sol (10), et en particulier en ce que le système de retenue (74) est agencé ou formé au niveau de la zone de liaison (70) et en particulier fixé à la zone de liaison (70) et/ou au premier support (66) et/ou au deuxième support (68).
  12. Dispositif de rampe d'aspiration selon l'une quelconque des revendications précédentes, caractérisé en ce que la zone de liaison (70) est formée sur un élément (72), lequel est fabriqué séparément du premier support (66) et/ou du deuxième support (68), dans lequel le premier support (66) et/ou le deuxième support (68) sont fixés à cet élément (72) et/ou caractérisé en ce qu'une combinaison de la zone de liaison (70), du premier support (66) et du deuxième support (68) présente une structure détachable en plusieurs parties.
  13. Machine de nettoyage de sol, comportant un système de ventilation et d'aspiration (34) et un dispositif de rampe d'aspiration (36) selon l'une quelconque des revendications précédentes, lequel est en liaison fluidique avec le système de ventilation et d'aspiration (34), et en particulier en ce que le dispositif de rampe d'aspiration (36) est retenu pivotant sur un châssis (12), et en particulier caractérisée en ce qu'elle est réalisée de manière roulante, et en particulier caractérisée par un système d'émission (30) d'un liquide de nettoyage sur un sol (38) à nettoyer.
  14. Procédé de nettoyage de sols carrelés, selon lequel un excédent de liquide est absorbé par l'intermédiaire d'un dispositif de rampe d'aspiration (36) selon l'une quelconque des revendications précédentes, dans lequel le premier support (66) et le deuxième support (68) sont positionnés de manière inclinée par rapport aux joints de carrelage (150), le liquide sur le sol (38) et le cas échéant l'air sont amenés dans l'espace d'aspiration (92) par la au moins une ouverture (102) au niveau de la zone de liaison (70) et au niveau du deuxième dispositif de raclage (88) et le liquide est aspiré de l'espace d'aspiration (92) au niveau du premier emplacement d'aspiration (124) et du deuxième emplacement d'aspiration (126), lesquels sont respectivement espacés de la zone de liaison (70).
  15. Procédé selon la revendication 14, caractérisé en ce que le dispositif support (64), en mode nettoyage, est déplacé en marche avant au-dessus du sol (38) dans une direction parallèle à une direction (90) allant du premier dispositif de raclage (86) au deuxième dispositif de raclage (88).
EP14766126.8A 2014-09-05 2014-09-05 Dispositif de rampe d'aspiration pour une machine de nettoyage de sol, machine de nettoyage de sol et procédé pour le nettoyage de sols carrelés Not-in-force EP3188636B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/068983 WO2016034251A1 (fr) 2014-09-05 2014-09-05 Dispositif de rampe d'aspiration pour une machine de nettoyage de sol, machine de nettoyage de sol et procédé pour le nettoyage de sols carrelés

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EP3188636A1 EP3188636A1 (fr) 2017-07-12
EP3188636B1 true EP3188636B1 (fr) 2019-02-27

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WO (1) WO2016034251A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102017104965A1 (de) 2017-03-09 2018-09-13 Alfred Kärcher SE & Co. KG Reinigungsgerät mit Einlasslippe und Abziehlippe
EP4054393A1 (fr) * 2019-11-07 2022-09-14 Alfred Kärcher SE & Co. KG Machine de nettoyage de sol et procédé de fonctionnement d'une machine de nettoyage de sol

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Publication number Priority date Publication date Assignee Title
CA2357057A1 (fr) * 2001-08-10 2003-02-10 Roger P. Vanderlinden Appareil de nettoyage mobile pour grandes surfaces
EP2011427A1 (fr) * 2007-07-04 2009-01-07 Comac S.p.A. Dispositif de nettoyage des planchers pour des appareils de nettoyage et séchage des planchers
WO2009039624A2 (fr) * 2007-09-26 2009-04-02 Roger Vanderlinden Tête de ramassage ayant un système d'air de recyclage pour balayeuse mobile
ATE484993T1 (de) * 2008-06-18 2010-11-15 Hako Gmbh Bodenreinigungsmaschine

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WO2016034251A1 (fr) 2016-03-10

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