EP0380524A1 - Dispositif de nettoyage de surfaces. - Google Patents

Dispositif de nettoyage de surfaces.

Info

Publication number
EP0380524A1
EP0380524A1 EP19880908100 EP88908100A EP0380524A1 EP 0380524 A1 EP0380524 A1 EP 0380524A1 EP 19880908100 EP19880908100 EP 19880908100 EP 88908100 A EP88908100 A EP 88908100A EP 0380524 A1 EP0380524 A1 EP 0380524A1
Authority
EP
European Patent Office
Prior art keywords
suction
line
cleaning liquid
suction head
hydraulic motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19880908100
Other languages
German (de)
English (en)
Other versions
EP0380524B1 (fr
Inventor
Heinrich Abbrederis
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0380524A1 publication Critical patent/EP0380524A1/fr
Application granted granted Critical
Publication of EP0380524B1 publication Critical patent/EP0380524B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47L11/40—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
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning 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
    • A47L11/29—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
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • 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
    • A47L11/4027—Filtering or separating contaminants or debris
    • 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
    • A47L11/4038—Disk 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
    • 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
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits

Definitions

  • the invention relates to a device for cleaning surfaces by suction of the moistened contaminants, with a tank for a cleaning liquid, from which a line for the supply of the cleaning liquid leads to a suction head, and with a device for generating the negative pressure causing the suction, which is connected to the suction head via a flexible suction line, the tank, the line and the suction line forming a closed circuit for the cleaning liquid which is sucked off together with the impurities and fed to a filter for separating the impurities, and wherein the suction head is an annular wiping and or or brushing member, which is driven by a drive for circulating movement about an axis normal to the surface to be cleaned, and wherein the cleaning liquid within the path of the wiping and / or brushing member rotating around the suction mouth of the suction line is not.
  • devices for wet cleaning of surfaces are designed as so-called wet vacuum cleaners.
  • Water is applied to a horizontal surface to be cleaned and the moistened impurities are sucked off through a suction hose to the filter, which retains the solid components of the extracted medium in the manner of a conventional vacuum cleaner.
  • a suction hose to the filter, which retains the solid components of the extracted medium in the manner of a conventional vacuum cleaner.
  • a device of the type described at the outset is also known (FR-PS 2 403 774), in which either two counter-rotating rollers are arranged on the suction head, the axes of which are parallel to one another and parallel to the surface to be cleaned, or a brush ring which is arranged around the centrally arranged suction line mouth rotates, the rotary movement of this brush ring being caused by the recoil of nozzles arranged on its top surface, from which a pressure medium flows out.
  • the disadvantage here is the unreliable drive of the brush element, because in the first ⁇ e ⁇ an ⁇ ten variant causes a displacement Suction head along the surface to be cleaned in the direction normal to the roller axis also influences the rotation of the two rollers, so that it can happen that one roller is almost stationary and only the other roller is rotating.
  • the operator In the second variant, the operator must absorb the torque exerted by the rotating brush ring, which means additional effort.
  • the supply of the cleaning liquid is unreliable, since this liquid is supplied in the region of the outer circumference of the brush ring and is therefore thrown outwards by its rotational movement, where the suction effect is no longer reliably provided.
  • the invention has for its object to avoid the disadvantages of the known devices and to improve a device of the type described above so that the drive of the wiping and / or brushing member takes place reliably, as well as the suction of the cleaning liquid supplied to the suction head. Furthermore, the aim is to create a handy, light-weight suction head of small dimensions, which can be operated easily and with little effort.
  • the invention solves this problem in that the wiping and / or brushing element consists of two rings arranged concentrically to one another and driven in opposite directions about the common axis, the cleaning liquid being introduced into the gap between the two rotating rings and in that A hydraulic motor is arranged in the suction head for driving the orbital movement of both rings.
  • the oppositely rotating rings of the wiping or brushing element prevent substantial torque from being transferred from the suction head to the operator, and the introduction of the cleaning liquid between the two rings ensures effective use of the cleaning liquid and prevents the same from being thrown outwards, especially by the Extraction caused air inflow drives the cleaning liquid radially inwards.
  • the use of a hydraulic motor for driving the two rings brings significant advantages in terms of lightening the weight of the suction head and reducing the dimensions of this head, so that the handiness of the suction head and thus of the entire device is improved. Since - in contrast to the known construction described at the beginning - a displacement of the suction head along the surface to be cleaned does not affect the rotary movement of the two rings, the hydraulic motor does not need to be to be moderately strong.
  • cleaning liquid generally a mixture of water and cleaning agent
  • This liquid is then sucked off again immediately after the application (generally an injection) by the negative pressure prevailing in the suction head and fed through the suction line to the filter for the purpose of separating the contaminants.
  • This filter is expediently an exchangeable membrane filter which can be used until it has to be replaced by the impurities or the blockages caused thereby. Over this period, the water-cleaning agent mixture is circulating in a closed circuit and can therefore be used again and again.
  • Such a device can also be used on non-horizontal surfaces and the time of action of the cleaning liquid applied to the surface to be cleaned is very short, so that this liquid has no time to penetrate the surface and thereby damage it.
  • Complicated surfaces can also be cleaned in all positions, even overhead, especially since the suction head can be designed as a component that can be easily guided by hand and the circumferential wiping and / or brushing element supports the cleaning effect.
  • this organ is formed by circumferential brush rings, but it can also, if desired, exert a scouring action, in particular if the pressure on the suction head is increased by hand, which is easily possible by the direct holding and guiding of the suction head.
  • this suction head can also be arranged on an interchangeable extension in order to be able to reach and clean more distant places more easily.
  • the device according to the invention leaves an almost dry surface after cleaning, which can thus be walked on immediately without an accident.
  • a suitable filter clean any surfaces, including shop windows etc., and the cleaning liquid can also be filtered in a biologically pure manner so that only absolutely pure water and the cleaning agent added to it remain in circulation.
  • a plurality of nozzles distributed along the circumference of the gap are provided for the introduction of the cleaning liquid and are connected to the line for the cleaning liquid via a distributor line.
  • the lines for the hydraulic motor are expediently provided in the suction line in the form of pressure hoses, so that these lines are protected and a clear, manageable arrangement is achieved.
  • a pinion is located on the output shaft of the hydraulic motor, which pinion is arranged between two toothed rings facing one another of the two rings of the wiping and / or brushing member and meshes with these two toothed rings. This results in a simple, easy-to-assemble construction.
  • a sight glass for the cleaning liquid is provided on the tank connected to the suction line, which is flushed with the cleaning liquid behind the filter, so that the condition of the cleaning liquid which is again supplied to the suction head can be checked.
  • the line leading to the suction head for the cleaning liquid there can be a pressure regulator, from which a return line leads into the tank.
  • a heater can be provided in this line in order to heat the applied cleaning liquid.
  • Fig. 1 shows an overview of the device
  • Fig. 2 shows the suction head of the same in a larger scale on average.
  • the device has a tank 2 that can be moved on wheels 1 for the cleaning liquid, the liquid level of which in the tank 2 is indicated by 3.
  • a vacuum is generated in the tank 2 above the liquid level 3 by an electric motor 4, for example by means of a conventional suction ventilator, which vacuum in a suction line 5, preferably a hose, to which a suction head 6 is connected.
  • the motor 4 also drives a pump 7, which is expediently designed as a mechanical pump, which sucks in cleaning liquid from the tank 2 via a suction line ⁇ and supplies cleaning liquid under pressure to the suction head 6 via a line 9.
  • a horizontal filter 10 expediently a replaceable membrane filter with a correspondingly selected pore size, is installed in the tank 2 at a distance from its bottom, the suction line 8 leading below this filter 10 away from the tank 2, so that only pure liquid can enter the suction line 8.
  • the state of this liquid can be checked through a sight glass 11, which likewise rises from the tank 2 below the filter 10 outside the latter and is connected at the top to the vacuum chamber 12 above the liquid level 3.
  • the line 9 can be routed within the suction line 5, for example as a pressure hose.
  • this line 9 there is a pressure regulator 13 to which a pressure display device 14 is connected, which indicates the pressure prevailing in line 9.
  • a return line 15 leads back from the pressure regulator 13 for any excessively conveyed cleaning fluid to the tank 2.
  • a heater 16 for heating the cleaning liquid can be provided in the line 9, advantageously an electrical heating resistor which is supplied via lines 17.
  • the motor 4 drives a hydraulic pump 18, from which a pressure line 19 leads to the suction head 6 and a return line 20 from this.
  • a pressure line 19 leads to the suction head 6 and a return line 20 from this.
  • These two lines can also be arranged within the suction line 5, for example in the form of pressure hoses.
  • the pressure line 19 there is a three-way valve 21, by means of which a partial or complete short circuit between the two lines 19, 20 can be detected, so that the amount of the liquid flowing in the pressure line 19 to the suction head 16 can be set as desired.
  • This serves to regulate the speed of a hydraulic motor 22 (FIG. 2) accommodated in the suction head 6, which serves to drive two brush rings 24, 25 forming a wiping or brushing element 23.
  • each of the two brush rings 24, 25 is held in a receptacle 26 or 27, appropriately clamped, these two receptacles 26, 27 in the form of rails formed with a U-profile running in a ring around the central axis 28 of the suction head 6, specifically in opposite directions of rotation.
  • the receptacles 26, 27 have upwardly projecting webs 29, 30, the inside and outside Sprockets 31 and 32 are provided, both of which mesh with a pinion 33, which is rotatably mounted on the AbtrLebsweWe 34 of the hydraulic otor 22.
  • the two webs 29, 30 each have ball bearings 35 on the side facing away from the ring gear 31 or 32 for mounting on an outer or inner bearing sleeve 36 or 37.
  • Both bearing sleeves 36, 37 are attached to the housing 38 of the suction head 6 in the form of sleeves and secured by screws 39.
  • the housing 38 has a flange 40 inside for supporting and holding the hydraulic motor 22, to which the pressure line 19 and the return line 20, in particular in the form of pressure hoses, by means of suitable nipples or the like. are connected.
  • the line 9 for the cleaning liquid to be supplied also opens into the suction head 6.
  • the line 9 is angeschlos ⁇ en a 'Ringleitu ⁇ g 41, which extends at least over a large part of the circumference of the suction head 6 and from the nozzles 42 ⁇ hrere to face the surface to be cleaned 43 below.
  • the nozzles 42 open out in an annular gap 44 between the two brush rings 24, 25 and spray the pressurized water / cleaning agent mixture there onto the surface 43 to be cleaned.
  • This liquid cannot spread outwards, since this is prevented on the one hand by the outer brush ring 24, and on the other hand by the air flowing in from outside and sucked off through the suction line 5. This liquid therefore seeps in under the inner brush ring 25 and is sucked off via the suction line 5 together with the contaminants carried by it.
  • the described mounting of the two receptacles 26, 27 carrying the brush rings 24, 25 in the housing 38 ensures storage that is resistant to dust and other impurities and also insensitive to impacts, with both the brushes and. the storage can also be changed quickly and easily after removing the two bearing sleeves 36, 37.
  • the suction head 6 In order to easily guide the suction head 6 and also to be able to use it on vertical surfaces or overhead, the suction head 6 is dimensioned such that it can be guided with one hand. For this reason, for reasons of weight saving, it is expedient to reduce the weight of the hydraulic motor 22 to a minimum.
  • a hydraulic motor which is designed in the form of an internal gear motor and whose internal gear and housing are made of aluminum, is particularly suitable for this purpose, whereas the ring gear is made of plastic.
  • the hollow output shaft 34 is in the aluminum gear pressed from steel, which carries at its end the pinion 33 also made of plastic.
  • Such a hydraulic motor can be reliably driven by the hydraulic pump 18 via suitable flexible hydraulic lines, with the three-way valve 21 making it possible to easily control the speed.
  • the amount of cleaning liquid supplied via the nozzles 42 can also be regulated by means of the adjustable pressure regulator 13. This is important in order to compensate for the decreasing flow rate of the filter 10 over time. If necessary, the supply of the cleaning liquid can also be switched off entirely by means of the pressure regulator 13.
  • the housing 38 is formed with a connecting piece 45 so that it can be connected to the suction line 5 by means of a plug closure.
  • the two hydraulic lines 19, 20 and the line 9 for the cleaning liquid can be separated from the suction head 6 by means of easily separable connections, in order to be able to replace the suction head with another version if necessary. It is therefore easily possible to adapt the device, in particular the suction head diameter, to the surface to be cleaned in each case. Furthermore, there is the possibility, by selecting the material of the filter 10, to adapt to the cleaning liquid used in each case and to the impurities to be expected.
  • seals 46, 47 in particular made of felt, can be provided between the circumferential receptacles 26, 27 and the fixed components (bearing sleeves 36, 37) opposite them.

Landscapes

  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

Un dispositif de nettoyage de surfaces comprend une tête d'aspiration (6) qui porte sur le côté qui fait face à la surface à nettoyer deux brosses circulaires concentriques (24) qui tournent en sens opposé. Dans l'espace entre ces deux brosses circulaires est injecté au moyen d'un conduit (9) un liquide de nettoyage qui est aspiré avec les impuretés, par un conduit d'aspiration (5) jusqu'à un réservoir (2) de liquide de nettoyage (3). Les brosses circulaires (24) sont entraînées par un moteur hydraulique agencé dans la tête d'aspiration (6) et alimenté par des conduits (19, 20). On peut utiliser cette tête d'aspiration pour nettoyer également des surfaces inclinées ou verticales, ou situées au-dessus de la tête de l'utilisateur.
EP19880908100 1987-10-14 1988-09-28 Dispositif de nettoyage de surfaces Expired - Lifetime EP0380524B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2714/87 1987-10-14
AT271487A AT388863B (de) 1987-10-14 1987-10-14 Vorrichtung zur reinigung von flaechen

Publications (2)

Publication Number Publication Date
EP0380524A1 true EP0380524A1 (fr) 1990-08-08
EP0380524B1 EP0380524B1 (fr) 1992-08-05

Family

ID=3539150

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880908100 Expired - Lifetime EP0380524B1 (fr) 1987-10-14 1988-09-28 Dispositif de nettoyage de surfaces

Country Status (4)

Country Link
EP (1) EP0380524B1 (fr)
AT (1) AT388863B (fr)
DE (1) DE3873543D1 (fr)
WO (1) WO1989003191A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA244690A (de) * 1990-12-04 1993-11-15 Abbrederis Heinrich Vorrichtung zum reinigen von flaechen
GB2257901B (en) * 1991-07-20 1994-10-26 Atomic Energy Authority Uk Cleaning device
ATA238091A (de) * 1991-11-29 1994-05-15 Abbrederis Heinrich Vorrichtung zur behandlung, insbesondere reinigung, von ebenen flaechen
DE4200064C2 (de) * 1992-01-03 1995-07-06 Hako Gmbh & Co Fahrbare Naßreinigungsmaschine
CN104961352B (zh) * 2015-07-15 2017-08-25 深圳市创思泰科技有限公司 带有左右喷头的旋转涂抹盘

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2021608A (en) * 1935-08-05 1935-11-19 Continental Car Na Var Corp Scrubbing brush
US2781745A (en) * 1955-03-29 1957-02-19 Forrest L Bailes Hydraulic motor for a scrubbing machine
US2861838A (en) * 1956-11-06 1958-11-25 Turbo Machine Co Fluid spray cleaning machines
US2932844A (en) * 1958-08-22 1960-04-19 Robert J O'connor Electric wall and ceiling washer
US3040350A (en) * 1961-06-12 1962-06-26 Hoover Co Detergent dispensing wheel support for shampoo appliances
FR91662E (fr) * 1966-12-15 1968-07-26 Cireuse perfectionnée pour brosser les sols et aspirer simultanément la poussière
US3606631A (en) * 1970-06-01 1971-09-21 Von Schrader Mfg Co Portable cleaning machine
DE2553194A1 (de) * 1975-11-27 1977-06-08 Hoedl Fa Doris Reinigungsgeraet fuer polstermoebel o.dgl.
US4308636A (en) * 1977-06-23 1982-01-05 Davis John W Method and apparatus for heating a fluid
FR2403774A1 (fr) * 1977-09-26 1979-04-20 Vinolas Y Vall Llosera Narcis Machine a nettoyer
DE2839143A1 (de) * 1978-09-08 1980-03-20 Hellmut Kuhnle Vorrichtung zum reinigen von fussboeden
DE2907911A1 (de) * 1979-03-01 1980-09-11 Hoedl Geb Strecker Doris Extrahiergeraet mit unmittelbarer mechanischen bearbeitung und sofortiger absaugung fuer polstermoebel o.dgl.
DE3518545C1 (de) * 1985-05-23 1986-12-18 Alfred Kärcher GmbH & Co, 7057 Winnenden Naßreinigungsgerät für Bodenbeläge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8903191A1 *

Also Published As

Publication number Publication date
AT388863B (de) 1989-09-11
ATA271487A (de) 1989-02-15
DE3873543D1 (de) 1992-09-10
WO1989003191A1 (fr) 1989-04-20
EP0380524B1 (fr) 1992-08-05

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