EP0950370A2 - Machine pour nettoyer les sols - Google Patents

Machine pour nettoyer les sols Download PDF

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Publication number
EP0950370A2
EP0950370A2 EP99890114A EP99890114A EP0950370A2 EP 0950370 A2 EP0950370 A2 EP 0950370A2 EP 99890114 A EP99890114 A EP 99890114A EP 99890114 A EP99890114 A EP 99890114A EP 0950370 A2 EP0950370 A2 EP 0950370A2
Authority
EP
European Patent Office
Prior art keywords
cleaning machine
handle
floor cleaning
drum
lever
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
EP99890114A
Other languages
German (de)
English (en)
Other versions
EP0950370A3 (fr
EP0950370B1 (fr
Inventor
Gregor Morokutti
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.)
Rotowash Reinigungsmaschinen GmbH
Original Assignee
Rotowash Reinigungsmaschinen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rotowash Reinigungsmaschinen GmbH filed Critical Rotowash Reinigungsmaschinen GmbH
Priority to SI9930910T priority Critical patent/SI0950370T1/sl
Priority to AT99890114T priority patent/ATE323443T1/de
Publication of EP0950370A2 publication Critical patent/EP0950370A2/fr
Publication of EP0950370A3 publication Critical patent/EP0950370A3/fr
Application granted granted Critical
Publication of EP0950370B1 publication Critical patent/EP0950370B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/03—Floor surfacing or polishing machines characterised by having provisions for supplying cleaning or polishing 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
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A47L11/18—Floor surfacing or polishing machines motor-driven with rotating tools the tools being roll brushes
    • 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
    • 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
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4055—Movement of the tools or the like perpendicular to the cleaning surface for lifting the tools to a non-working position
    • 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

Definitions

  • the invention relates to a drive system for two counter-rotating cylinder brushes a floor cleaning machine comprising an engine, a transmission and transmissions to transfer the torque from the gearbox to the cylinder brushes.
  • Floor cleaning machines comprising two counter-rotating cylinder brushes are on known. They have an axis of rotation arranged between the cylinder brushes rotating, also higher than the axes of rotation of the cylinder brushes Drum on.
  • the invention is based on the general aim of a new one compared to the previously known Construction methods improved construction method for such Floor cleaning machines to be specified. This goal is achieved by some, explained below Construction details reached.
  • the first essential detail is the drive system. As already mentioned, this includes an engine, a transmission and transmissions for the transmission of the Torque from the gearbox to the cylinder brushes. According to the current state of the art the gearbox was equipped with only one output shaft. To transfer their The drive movement on the two cylinder brushes was one for each cylinder brush multi-stage gear transmission, i.e. several gears, their axes of rotation parallel to each other run and interlock, used.
  • Toothed pulleys and toothed belts each comprising an output shaft pulley connect with a cylinder brush lock washer.
  • Such a toothed belt drive is very effective and thus helps to achieve a high level Efficiency at. In addition, he develops very few noises, so that the total of noise level emitted by the cleaning machine can be kept low.
  • drum drive is also independent of the brush drives, if any Failures of the brush drives cannot override it.
  • drum drive is again high effectiveness and low Noise development ensured.
  • Another feature of the drive system according to the invention can be that the transmission a pinion fixed on the motor output shaft and two meshing with this pinion Primary gears and a secondary gear meshing with one of the primary gears has, wherein the first output shaft with one of the primary gears and the second Output shaft is connected to the secondary gear.
  • This design allows the two required opposite to each other To achieve rotary movements with particularly low component costs.
  • the output shafts of the transmission are only one stage or two stages with the motor pinion connected, which further contributes to the high overall efficiency of the drive system represents.
  • a further embodiment of the invention can provide that pinions, primary and secondary gears are formed by steel spur gears.
  • toothed disks of the transmissions made of steel, Aluminum, plastic or the like.
  • Steel toothed washers have a particularly long service life, which is what The susceptibility to repairs of the cleaning machine according to the invention is effectively reduced.
  • the advantage of plastic and aluminum gears is particularly that of them achievable particularly low noise levels.
  • the motor is formed by a synchronous motor.
  • Motors of this type can be controlled with relatively simple circuits become. Apart from this advantage, there is also the choice of synchronous motors Consideration that a high number of revolutions of the brushes is required to grow floors becomes.
  • Another essential detail of the floor cleaning machine according to the invention is the Scraper device with which the dirty water film applied to the drum is lifted off and directed into a dirty water tank.
  • This bar was made according to the prior art by means of a large number of each other spaced and acting on the bar springs against the Drum surface pressed. This merely punctiform pressing of the bar proved as problematic in that the water film is only properly removed from the section Drum surface lifted, but in the other sections (in time) before Take off (spatially) in front of the bar was stowed. That was the correct one Dirt removal significantly impaired.
  • this is achieved by covering essentially the entire area Strip length extending rigid strip holder, which by means of at least one spring in Is pressed towards the drum surface.
  • This rigid strip holder guides the spring force evenly over the entire length the bar, so that this with constant pressure over its entire length to the Drum surface is pressed. Local congestion in the water film different contact pressures can thus be reliably avoided.
  • the strip holder is pivotably mounted and the spring swings its part carrying the bar towards the drum surface.
  • This type of storage can be implemented with particularly simple means.
  • the strip holder is fixed against rotation on a pivot shaft, which the Front sides of the last holder are superbly designed and in side parts of the Floor cleaning machine is mounted and that on at least one, a side part protruding end of the pivot shaft a lever is fixed, on which lever the acts at least one spring.
  • the spring acting on the last holder can be attached to the side part, whereby the structure of the floor cleaning machine is kept much easier than if the spring would be attached to the drum.
  • the spring is formed by a compression spring is whose first end is supported on the side part and the other end is supported on the lever.
  • Such springs are common standard components, their use helps the manufacturing costs of keep floor cleaning machine according to the invention low and contributes to the other maintainability.
  • the compression spring in a hollow cylindrical housing that is closed on one side, which Housing is pivotally mounted on the side part parallel to the plane of the side part, whereby the compression spring with its first end at the bottom of this housing and with its second End on a pivotally mounted piston protruding into the housing supports.
  • the compression spring is thus encapsulated in a dustproof manner and well protected against environmental influences.
  • Another way of designing the spring can be that the spring through a tension spring is formed, the first end on the side part and the second end on the lever is set.
  • Such springs are also common standard components, so that even when using this type of spring the machine is easy to maintain and the manufacturing costs are low being held.
  • a previously known scraper device for a floor cleaning machine with at least a rotating brush, preferably a cylinder brush, and a rotating drum, on which a film of water to absorb the dirt swept up by the brush is arranged and the dirty water film lifts from the drum and in leads a dirty water tank has the following further disadvantage:
  • this is due to an essentially the entire drum width extending, rotating and with their free bristle ends on the drum surface adjacent cylinder brush reached.
  • a handle attached to it which is primarily for the manual movement of the Machine serves.
  • a stick for a floor cleaning machine that has a motor, preferably electric motor, for driving cleaning devices, such as Cylinder brushes, as well as at least one switch for switching the motor on and off according to the prior art is used to said switch to operate part of the stem.
  • this is achieved in that the switch is fixedly attached to the handle and that the stem part for actuating the switch by a pivotable on the stem stored lever is formed.
  • the lever has a pivot shaft mounted on the stem that on the Swivel shaft an actuator is defined per switch and that that Actuator of the switch lying in the swivel path of the actuator on Stem is attached.
  • the actuator is formed by an eccentrically fixed to the pivot shaft cylindrical disc.
  • Another feature of the invention can be that the at least one switch by a Microswitch is formed, the actuating element is a lever.
  • Microswitches are common standard components, their use helps to reduce the cost of production keep floor cleaning machine according to the invention low. Show further Microswitch has a long service life, resulting in high operational reliability Floor cleaning machine leads.
  • the invention further relates to a handle for a floor cleaning machine, which cleaning devices coming into contact with the floor, in particular Cylinder brushes, as well as a chassis, whose wheels in opposite to the Cleaning devices movable wheel suspensions are stored so that the wheels over the portion of the cleaning devices coming into contact with the ground can be raised or under the section of the Cleaning devices can be lowered, which lifting by means of a part of the handle is feasible.
  • the wheel suspensions are provided by the To raise or lower the pivoting of the entire handle, i.e. is e.g. the stem Aligned normal to the ground, the wheel suspensions are lowered, the When the arm is pivoted through a certain angle, the wheel suspensions are raised.
  • the stem part for performing the Lifting is formed by a pivotally mounted lever on the handle, and that Cable hoists are provided, the first ends of which on the wheel suspensions of the chassis and the second ends of which are attached to the lever.
  • the lever comprises a pivot shaft mounted on the handle and that the second ends the cables are fixed on the outer surface of the swivel shaft.
  • the invention further relates to a floor cleaning machine with at least one rotating brush, preferably cylinder brush and with a rotating drum which is arranged a film of water with the dirt swept up by the brush is offset, and with a nozzle, by means of which the water forming the water film the floor to be cleaned or at least one rotating brush can be applied.
  • a floor cleaning machine with at least one rotating brush, preferably cylinder brush and with a rotating drum which is arranged a film of water with the dirt swept up by the brush is offset, and with a nozzle, by means of which the water forming the water film the floor to be cleaned or at least one rotating brush can be applied.
  • the nozzles are for application of the water forming the water film rigidly attached to the machine and either aligned that their jet cone entirely on the floor to be cleaned or entirely hits a brush.
  • the place where the water is to be applied is of the type of the floor to be cleaned dependent: In the case of highly absorbent floors, such as carpets, the water must be on the brush, for non-absorbent floors, such as tiled floors, concrete or Parquet floors, it is cheaper to apply the water to the floor itself.
  • this is achieved in that the nozzle is approximately normal to it Spray cone axis of symmetry pivotable on the Floor cleaning machine is set.
  • the nozzle has at least one locking lug which is provided on the floor cleaning machine in the region of the nozzle Interlocking recesses interact.
  • the present invention also has one Transport cart with wheels and a handle for a floor cleaning machine, executed in one of the ways described so far, the subject.
  • the trolley has a frame with a Includes wheel axle bracket on which the handle, support struts and support rods, which can be brought into engagement with recesses provided in the floor cleaning machine are, are fixed.
  • At least one connecting device such as a rope, rigid bracket, can be provided or the like, which one end on the frame and the other end on the trolley recorded floor cleaning machine can be determined.
  • FIG. 1 and 2 schematically show a floor cleaning machine according to the invention shown. It essentially comprises two spaced parallel ones Side parts 1 and 2, at the distance from which two cylinder brushes 3, 4 are arranged.
  • This Cylinder brushes 3, 4 comprise, as usual, a shaft 31, 41, on which bristles with their one ends are fixed and project radially from this shaft 31, 41.
  • the axes of symmetry 30, 40 of the cylinder brushes 3, 4 run essentially normally the levels of the side parts 1,2.
  • the shafts 31, 41 are the end faces of the cylinder brushes 3.4 outstandingly trained and rotatably mounted in the side parts 1,2.
  • a drum 5 is arranged between the cylinder busts 3, 4, its axis of symmetry 5 ' likewise runs essentially normal to and in the planes of the side parts 1, 2 is rotatably mounted.
  • the two cylinder brushes 3, 4 run in opposite directions and the Drum 5 are driven in the sense of the rear cylinder brush 4 (see Direction of rotation arrows in Fig. 1).
  • This drive is achieved by means of a motor 6 which is arranged inside the drum 5 - designed as a hollow cylinder - and its stator on the side parts 1,2 is anchored (see Fig. 2).
  • Its output shaft 60 projects beyond the end face the drum 5 and extends into a gear arrangement 7 fixed on the side part 2. This connects the motor output shaft 60 with the drive pinion of the cylinder brushes 3, 4 and the drum 5.
  • the floor cleaning machine according to the invention is not a self-propelled device, it must rather be moved on by hand.
  • a handle 10 is fixed to the upper ends of the side parts 1, 2 and ends at about waist height.
  • a fresh water tank 13 is arranged, from which water is directed downwards and in front of the cylinder brush 3 on the floor to be cleaned or on the brush 3 in shape a spray cone is applied.
  • this water is applied to the floor to be cleaned or to the Cylinder brush 3 as follows: From the fresh water tank 13 is 90 through a valve (Ball valve or the like.) And a hose 91 water sucked in by a pump 92 and over a further hose connection 93 of a nozzle 94 or a similar distribution device fed. This sprays the water in a fan shape across the entire width of the brush front cylinder brush 3 on the floor or on the cylinder brush 3. The thereby of the Spray cone 113 designed as a nozzle 94 is shown in FIGS. 2a, b.
  • a stripping device 14 is provided which bears against the drum 5 and lifts the contaminated water film 52 from the drum surface and directs it into a dirty water tank 15. After passing through the stripping device 14, a new water film 52, with dirt removed from the floor, is applied to the drum 5 in the manner discussed.
  • the thickness of the water film 52 is dependent on the amount of water used by the user dependent.
  • the amount of water can be kept low to match the corresponding Make the water film thin. In any case, the amount of water is at least as high choose that the water film 52 can hold the dirt on the drum outer jacket.
  • the invention provides for the nozzle 94 about an axis 115 running approximately normal to its spray cone axis of symmetry 114 pivotable on the floor cleaning machine. She can do two Take pivot positions, of which the first with "grid position A" and the second is designated “grid position B".
  • a mechanical (e.g. cable pull) or electrical actuating device e.g. magnetic coil with movable anchor
  • actuating device e.g. magnetic coil with movable anchor
  • the nozzle 94 has at least one Latch III on which in the area of the nozzle 94 on the floor cleaning machine provided recesses 112 cooperates. This ensures that the nozzle 94 remains in the selected position.
  • the side parts 1, 2 as flat plates are formed. So that the shaft ends and the gear arrangement 7 are not exposed, the side parts 1, 2 are shown in the drawings Embodiment designed as a hollow body, i.e. they include, as in the below more detailed discussion of the structure of the floor cleaning machine according to the invention corresponding covers 11, 12 will still be explained.
  • a chassis is also attached to the side parts 1, 2. It comprises four wheels 8, which are mounted in movable wheel suspensions 9 relative to the cylinder brushes 3, 4.
  • the Wheel suspensions 9 are designed as levers, the wheels 8 are at the first ends thereof Lever mounted while the second ends of the wheel suspensions 9 are pivotable to the Side parts 1,2 are set.
  • the lever-shaped measures can be implemented by means of measures which are discussed in more detail below Wheel suspensions 9 are pivoted in the direction of the arrow and back, so that the Cleaning machine the floor optionally with these wheels 8 (in the lowered state) or touched with the cylinder brushes 3.4 (in the raised state of the wheels 8). In the latter Condition is a cleaning of the floor possible, in the former condition the machine can be in easily moved without cleaning activity.
  • the transmissions for transmitting the torque from the transmission 16 to the Cylinder brushes 3, 4 are formed by toothed belt drives. These include the Output shafts 17, 18 fixed pulleys 19, 20 and on the shafts 31 41 of Cylinder brushes 3.4 fixed toothed pulleys 21, 22 and toothed belts 23, 24th toothed belt 23 connects the output shaft lock washer 19 with the cylinder brush lock washer 21; Timing belt 24 connects output shaft pulley 20 to the rear Cylinder brush lock washer 22.
  • the material of the lock washers 19, 20, 21, 22 is in principle any, but preferably steel, aluminum, plastic or the like. used.
  • Another toothed disk runs on the output shaft 18 parallel to the toothed disk 20 25 fixed, which via a further toothed belt 26 with a on the drive shaft 27th the drum 5 fixed pulley 28 is connected.
  • the second cylinder brush 4 shows the structure and mounting of the cylinder brush 3 in the side parts 1, 2 in detail recognizable.
  • the second cylinder brush 4 is constructed and stored in the same way, so that one separate drawing and discussion of this second cylinder brush 4 is omitted becomes.
  • the cylinder brush 3 has a shaft 31 on which a brush core 29 is applied. This carries bristles that extend radially outwards. For the sake of clarity only the outlines of the brushes 3, 4, but not in all of the drawing figures the individual bristles are shown.
  • the shaft 31 projects beyond the brush core 29 on both sides and designed to penetrate the side parts 1, 2.
  • the shaft 31 On her the one on the right in Fig. 4 Side portion 1 projecting section, the shaft 31 has a socket 32, which by means an annular ball bearing 33 is rotatably mounted in the side part 1.
  • the toothed disc 21 is fixed, which in turn via ring ball bearings 33 in the side part 2 is stored.
  • the ring ball bearings 33 mentioned are preferably used because they have particularly low frictional resistances; However, it is entirely possible within the scope of the invention to replace it with other suitable bearing means, such as roller bearings, slide bearings or the like.
  • 5 shows the mounting of the drum 5 and the arrangement and attachment of the motor 6.
  • the two side parts 1, 2 and the cover 12 can again be seen in this illustration.
  • the side parts 1, 2 are connected to one another by means of rods 34, the ends of which are each fixed to the side parts 1, 2 by a cylinder screw 36.
  • Rollers 35 are arranged on these rods 34, the running surfaces of which bear against the inner surface of the drum 5 and thus support it so that it can rotate.
  • Sealing sleeves 37 are fastened to both end faces of the drum 5, which are sealing rest on the side parts 1,2 and thus the penetration of water inside the Prevent drum 5.
  • the rods 34 pass through holes 63 of these mounting flanges 61, 62, so that there is a rotation-proof connection of the MotorStator with the side parts 1.2 results.
  • Adjacent to the side part 2 is the housing 38 of the Gear 16 arranged, further are the first gear output shaft 17 and on it fixed toothed disc 19 and the motor output shaft 60 to recognize.
  • a fan wheel 46 is arranged on the right-hand side of the motor (see also FIG. 7).
  • the mounting flange 62 has a corresponding Recess 47, likewise there is a corresponding recess 42 in side part 1 provided for cooling air supply.
  • the motor 6 can be secured to the non-rotatable Side parts 1,2 instead of the rods 34 and the cap screws 36 also tension screws 36 ', which are somewhat longer than the cheese head screws 36 and are provided in their positions, be used.
  • the mounting flanges 61, 62 Internal thread cut into which the lag screws 36 'engage.
  • the rollers 35 for Storage of the drum 5 are themselves rotatably mounted on the lag screws 36 '.
  • the drum drive shaft 27 is arranged approximately at the 1 h position of the drum 5 (cf. also FIG. 3). This extends over the entire drum width and the side parts 1, 2 projecting and is rotatably supported in the latter by means of ball bearings 43.
  • the toothed pulley 28 is fixed at its end shown on the left in FIG. 6 and is in drive connection via the toothed belt 26 with the toothed pulley 25 fixed on the second transmission output shaft 18.
  • a drive pinion 44 which engages in an internal toothing 45 embedded in the inner jacket of the drum 5, is fastened to the drive shaft 27, just inside both drum end faces. Since the drum circumference is significantly larger than the circumference of the drive pinions 44, a low rotational speed of the drum 5 is achieved compared to the rotational speeds of the cylinder brushes 3, 4.
  • the structure of the motor 60 and the gear 16 connected downstream of it should be based on the Fig. 7 to 10 are discussed.
  • the motor 6 with its mounting flanges 61, 62 and the gear 16 (only the gear housing 38 can be seen) alone, i.e. im not in yet the cleaning machine installed state shown partially in section.
  • Right in Fig. 7 as well as in FIG. 10 is the already mentioned fan wheel fixed on the motor output shaft 60 46 and the recess 47 to see the fresh air supply.
  • the rotor assembly 65 is with the Glued shaft 60, the shaft 60 is supported on both ends by means of ball bearings 64 in the stator.
  • one is independent of the selected engine type Electronic speed control device provided for the motor 6.
  • the preferred synchronous motor there is also the advantage that high speeds can be achieved, whereby the cleaning machine according to the invention is also suitable for growing floors. especially of marble floors.
  • the type of fixing the toothed disks 19, 20, 25 to the Output shafts 17, 18 can be seen: Some of them are embedded in the output shafts 17, 18 Springs 48 are provided, the corresponding ones provided in the toothed disks 19 Engage recesses, with which a rotation of the toothed disks 19, 20, 25 relative to Output shafts 17, 18 is prevented. So that the toothed disks 19, 20, 25 are not in Can shift longitudinal direction of the output shafts 17, 18 are on the one hand on the Shell surfaces of the output shafts 17, 18 circlips 49 and on the other hand on the end faces the output shafts 17, 18 discs 50 by means of protruding into the output shafts 17, 18 Screws 51 set.
  • the second output shaft 18 is longer than the first output shaft 17 because it serves simultaneously to drive the cylinder brush 4 and to drive the drum 5, for which purpose two toothed disks 20 and 25 are mounted side by side on it.
  • the structure of the transmission 16 can be represented by means of FIGS. 9 and 8: This comprises a on the motor output shaft 60 pinion 53 and two, in this pinion 53rd engaging primary gears 54.
  • the upper primary gear 54 is directly on the second Output shaft 18 set while the second primary gear 54 is on an outside guided shaft 55 is set.
  • the second output shaft 18 and the shaft 55 are the same as the first one, not in FIG. 9 recognizable output shaft 17 by means of two ball bearings 56 in the housing 38 of the transmission 16 stored.
  • pinion 53, primary 54 and secondary gears 55 are basically free selectable, but steel spur gears are preferred because they are particularly high Have lifespan. Furthermore, it has proven to be cheap, pinion 53, primary 54 and Execute secondary gears 55 helically toothed.
  • the stripping device 14 has an over the entire Drum width extending on the outer shell of the drum 5 ledge 58.
  • This Bar 58 is preferably formed by a steel bar and thus only slightly elastic, but it could also be used as an elastic rubber strip (such as a wiper blade) be trained.
  • the strip holder 59 also has to be merely strip-shaped, but must be suitable to hold the bar 58 continuously over its length.
  • a preferably used one Last holder 59 has an approximately triangular profile, which is provided with a slot 66, in which the bar 58 can be clamped. At this slot 66 one closes in installed condition horizontally to slightly inclined towards the waste water tank 15 running surface 68 for draining the dirty water film. With this one Area 68 adjoining draining board 69, the bar holder 58 projects beyond the side wall of the dirty water tank 15 and can thus the dirty water in the Insert dirty water tank 15.
  • the Bar 58 are pressed against this surface.
  • this is done by means of at least one spring 67, which the strip holder 59 towards the drum surface presses.
  • This spring 67 could be on one end directly on the strip holder 59 and at the other end arranged on an auxiliary strip running parallel to the strip holder 59 and thus the strip holder 59 translationally towards the drum surface move.
  • this pivotable mounting could be achieved in that A stub shaft is arranged on each of its end faces, which Stub shaft are pivotally mounted in the side parts 1,2.
  • the spring 67 could be arranged again so that they have their first end on the strip holder 59 and with its second end on an auxiliary strip running parallel to the strip holder 59 supports.
  • the strip holder 59 is preferably secured against rotation on a pivot shaft 70 fixed. This is done in such a way that the pivot axis 70 the profile of a Has regular hexagons and the last holder 59 with this profile corresponding bore 71 is equipped.
  • the pivot axis 70 is the end faces of the Last holder 59 formed outstanding and pivotally mounted in the side parts 1,2. All known variants of swivel bearings can be used for this, since the Pivot axis 70 performs only very slight movements, it is sufficient, however Side parts 1,2 to be provided with holes and the pivot axis 70 in these holes without introducing separate bearings.
  • Lever 72 determines which lever 72 the at least one spring 67 acts on. This The situation is best seen in Fig. 3.
  • the spring-lever arrangement discussed is in double execution, i.e. also provided on the side part 1, not shown in FIG. 3.
  • the spring 67 is formed by a compression spring, the first end of which is on the side part 1,2 and the other end of which is supported on the lever 72.
  • the compression spring 67 is in one hollow cylindrical housing 73 closed on one side, which housing 73 parallel to the plane of the side part 1, 2 is pivotally mounted on the latter.
  • the compression spring 67 is supported with its first end on the bottom 74 of this housing 73 and with its second End on a pivotally mounted on the lever 72, projecting into the housing 73 Piston 75 off.
  • the pivotable mounting of the housing 73 on the side part 1, 2 or the piston 75 on Lever 72 takes place in each case by an axis 76 on the side part 1, 2 or on the lever 72 is attached and that the housing 73 or piston 75 each encompasses these axes 76 Have hole.
  • the housing 73 and the piston 75 could be exposed a fork abutting the axles 76 may be provided. Such forks should be in Open direction away from the spring 67.
  • the spring 67 can also be designed as a tension spring.
  • the first The end of this tension spring is fixed to the side part 1, 2 by means of a bolt 67 ' second end is attached to lever 72.
  • FIG. 15 shows another embodiment of the stripping device 14 according to the invention.
  • This cylinder brush 77 is analogous to the Kehr cylinder brushes 3.4 in the side parts 1.2, preferably rotatable by means of ball bearings stored.
  • the rotary drive of this cylinder brush 77 becomes similar to the drum drive thereby achieved that on the first transmission output shaft 17 a further toothed disc is attached, which by means of a toothed belt with a on the shaft 78 of the cylinder brush 77 fixed lock washer in drive connection.
  • the cylinder brush 77 lifts the dirty water film from the rotary motion Drum surface and simultaneously throws it towards the dirt container 15 (cf. Arrow in Fig. 15).
  • the cylinder brush 77 lifts the dirty water film from the rotary motion Drum surface and simultaneously throws it towards the dirt container 15 (cf. Arrow in Fig. 15).
  • stripping devices 14 in connection with a cleaning machine which has two counter-rotating cylinder brushes 3, 4, described, these can also be used with all other floor cleaning machines at least one rotating brush and with a rotating drum 5 Water film 52 is arranged to receive the dirt swept up by the brush, can be used to remove the dirty water film 52 from the drum 5 lift off and lead into a dirty water tank 15.
  • a handle 10 is fixed at the upper ends of the side parts 1, 2.
  • One with one Handle 10 provided floor cleaning machine is shown in Fig.16 ⁇ -c at a glance.
  • the handle 10 has a central section 79, at its upper end Handle 80 in the form of a loop-like bracket and a fork at the lower end 81 is set.
  • the legs 82 of this fork 81 are with their free ends on the Side parts 1,2 of the floor cleaning machine pivotally mounted. This storage takes place by means of cheese head screws which drill the holes 83 provided in the fork ends and penetrate the holes 39 provided in the side parts 1, 2.
  • a pump switch 109 is also fixed, which serves the Pump 92 (see FIG. 1) for applying the fresh water to the floor to be cleaned or on the first cylinder brush 3, on and off.
  • the central section 79 is designed as a hollow profile, as can be seen in particular from FIG. 21. This allows parts of the electrical devices for operating the motor 6, such as Speed control device, capacitor 84 etc. within the handle 10 and thus invisible and to arrange them protected against environmental influences. But this stem shape is not Essential to the invention, in principle is a central section 79 designed as a simple rod completely adequate.
  • At least one switch 86 must be provided for switching the motor 6 on and off.
  • motor 6 is a single phase AC motor and a switch 86 is installed in each of its two feed lines. These two switches 86 are stationary at the upper end of the middle section 79 of the handle 10 appropriate.
  • the handle 10 has as a further part a pivotable at the upper end of the Middle section 79 mounted lever 85.
  • the switch is provided 86 to operate by means of this lever 85.
  • lever 85 could do this be rod-shaped and be pivotally attached to the handle 10 with a first end.
  • the actuating elements 87 of the switches 86 would have to be within the pivoting range the lever 85 may be arranged so that they can come into contact with the lever 85.
  • Lever 85 and loop-shaped (approximately corresponding to the shape of the handle 80) to provide it with a pivot shaft 88 mounted on the stem 10.
  • This Pivoting shaft 88 the profile of the central section 79 is designed to be protruding and in Bores, which are embedded in the side walls 79 ', stored.
  • an actuator 89 is fixed per switch 86, the Actuating element 87 of the switch 86 in the pivoting path of the actuating element 89 is attached lying on the stem 10.
  • actuators 89 could be formed by cams, for example, they are however, preferably as a cylindrical one fixed eccentrically on the pivot shaft 88 Discs formed, see Fig. 20.
  • the switches 86 are formed by microswitches, the Actuator 87 is a lever.
  • Fig. 18 the lever 85 is shown in the "ON" position, i.e. the switches are 86 closed and the motor 6 is thus in operation.
  • the lever 85 is as in Fig.17 shown pivoted downwards; in the illustration according to Fig. 18 this movement would result in the lever being pivoted out of the plane of the drawing 85 mean.
  • the lever actuation becomes the Swivel axis 88 swiveled clockwise, with which the actuating disks 89 so be pivoted that the switch actuators 87 clockwise and thus in Can pivot towards the "OFF" position.
  • FIGS. 16d-f A somewhat different embodiment of the handle 10 is shown in FIGS. 16d-f.
  • the handle 10 comprises a housing 110 which extends over the central part 79 pushed and firmly connected to the upper portion of the middle part 79 and therefore in the present description and also with regard to the attached claims is to be regarded as part of the stem 10.
  • This housing 110 is used for all electrical / electronic components and groups, which serve to operate the motor 6, e.g. Motor protection switch 116, capacitor 84, switch 86, the electronic speed control device u. Like., splash-proof to record. Furthermore, the mains connection 117 is in the wall of this housing 110 fixed. In addition, the pivot shaft 88 of the lever 85 in this housing 110 stored, the switches 86 and their actuators 89 in the same manner as in 18-21 are arranged within the housing 110 (see FIGS. 17a-20a). The motor 6 is thus switched on and off in exactly the same way as just described.
  • Motor protection switch 116 e.g. Motor protection switch 116, capacitor 84, switch 86, the electronic speed control device u. Like., splash-proof to record.
  • the mains connection 117 is in the wall of this housing 110 fixed.
  • the pivot shaft 88 of the lever 85 in this housing 110 stored, the switches 86 and their actuators 89 in the same manner as in 18-21 are arranged within the housing 110 (see FIGS
  • FIGS. 16a-c Another difference between the stem 10 according to FIGS. 16a-c and that according to 16d-f lies in the arrangement of the pump switch 109: According to the latter In the illustrations, this is arranged within the housing 110 and its actuating lever 109 'at the top of the housing 110, whereas according to the first mentioned drawing figures is attached to the handle 80.
  • this handle 10 can also be used with all others Floor cleaning machines, which have a motor 6, preferably an electric motor Driving cleaning devices, such as cylinder brushes 3, 4 and at least one Have switches 86 for switching the motor 6 on and off, used to by means a part of the stem 10, namely the lever 85, said switch 86 to operate.
  • a motor 6 preferably an electric motor Driving cleaning devices, such as cylinder brushes 3, 4 and at least one Have switches 86 for switching the motor 6 on and off, used to by means a part of the stem 10, namely the lever 85, said switch 86 to operate.
  • Wheel cleaning machine attached to a landing gear. It comprises four wheels 8, which in relative to the cylinder brushes 3.4 movable wheel suspensions 9 are mounted.
  • the Wheel suspensions 9 are designed as levers, the wheels 8 are at the first ends thereof Lever mounted, while the second end of the suspensions 9 pivotable to the Side parts 1,2 of the floor cleaning machine are set.
  • the wheel suspensions 9 can be divided into two Positions are pivoted: In the first position shown in Fig. 23 the Wheel suspensions 9 are the wheels 8 above which come into contact with the ground Section of the cylinder brushes 3.4 raised so that the cylinder brushes 3.4 the floor touch. It is possible to clean the floor. In the shown in Fig. 22 The position of the wheels 8 is below the section of the section which comes into contact with the ground Cylinder brushes 3.4 lowered, the floor cleaning machine thus rests on these wheels 8, while the cylinder brushes 3, 4 are lifted off the floor.
  • pivoting cables 95 are provided with their first ends fixed to the wheel suspensions 9 at a distance from their second ends are. By pulling the cables 95 in the direction of the arrow drawn in FIG the wheel suspension 9 are brought into the position according to FIG. 23.
  • compression spring devices 97 intended. In the embodiment of the drawings, these are as a variety Disc springs stacked on top of one another, but alternatively they could also conventional compression springs.
  • the first ends of these compression spring devices 97 are spaced from the second ends of the wheel suspensions 9 thereon fixed.
  • the second ends of the compression spring devices 97 are on the Floor cleaning machine, specifically on the side parts 1,2, fixed.
  • the compression spring devices 97 thus exert a permanent force on the Wheel suspensions 9 from what force they are towards the extended position tried to pivot. To prevent this pivoting, the cables 95 absorb this force, i.e. their second ends must be after reaching the landing gear position be fixed according to Fig. 23. Should pivoting of the wheel suspensions 9 in the position shown in FIG. 22 only needs to be fixed manually Cables 95 to be lifted. The generated by the compression spring devices 97 Forces can now act freely on the wheel suspensions 9 and pivot them.
  • a cable 95 and a compression spring device must be used for each wheel suspension 9 97 are provided.
  • two wheel suspensions 9 can be used according to the invention with their longitudinal extensions aligned with each other and with the second touching Ends are aligned (see also Fig. 2). These second ends are in one another engaging teeth 96 formed. Because of this construction method are now each two wheel suspensions 9 coupled together, i.e. on a wheel suspension 9 transferred pivoting movement is transferred to the other, both wheel suspensions 9 always pivot synchronously.
  • Cable 95 and a compression spring device 97 are provided. Which of the two coupled wheel suspensions 9, the cable 95 or the compression spring device 97 is set, is indifferent to the proper pivoting function.
  • the embodiments shown in the drawings are the first end of the cable 95 at the rear, the first end of the compression spring device 97, however, at the front Suspension set 9.
  • Floor cleaning machine provides that the second ends of the Cables 95 are fixed to part of the handle 10 so that the lifting of the Wheel suspensions 9 can be carried out by means of a part of the handle 10.
  • Said stem part is formed by a pivotally mounted lever on the handle 10, in so far as this handle 10 also has a lever 85 for actuating the motor switch 86 - by this Motor switch lever 85 can be formed.
  • the one shown in the drawings This embodiment is the use of the motor switch lever 85 already discussed realized, so apply to the design of the cable control lever the above statements.
  • the second ends of the cable pulls 95 are on the lateral surface of the pivot shaft 88 of the lever 85 is fixed.
  • the second ends of all cables 95 to the outer surface of the Guide pivot shaft 88.
  • Exactly the same function is achieved if the second ends of the cables 95 with each other outside the floor cleaning machine are connected and via a further cable 95 'to the pivot shaft 88 be connected (see also Fig. 16b).
  • the cable 95 'on the pivot shaft 88 discs 98 may be attached so that the Cables 95, 95 'are held as in a pulley.
  • FIGS Carriage discussed, which is suitable for a floor cleaning machine in the is constructed so far.
  • the trolley has a frame 99, which is formed from only four parts:
  • the central component is the wheel axle holder 100, on which the wheels 101 are rotatably mounted are.
  • a handle 102, support struts 103 are on the wheel axle holder 100 and receiving rods 104 set.
  • the wheel axle bracket 100 is in three parts built up, it comprises a tubular middle piece 100 'and in the end faces of this Center piece 100 'usable wheel axle parts 100 ".
  • On these wheel axle parts 100" are Support struts 103 and the receiving rods 104 set while the handle on Center piece 100 'is attached.
  • the advantage of this three-part construction is that the trolley is very easy for a variety of cleaning machines of different widths can be made suitable can: The basic structure and sizes of all components remain the same, only that The length of the middle piece 100 'is to be varied.
  • the support struts 103 serve to Support the trolley so that its handle 102 is approximately perpendicular to the ground.
  • a connecting device 108 for example by a rope, a rigid bracket or the like. Formed is provided. This is one end of frame 99 Transport cart and can be fixed on the floor cleaning machine at the other end.
  • this connecting device 108 can Provided area of the upper end of the handle 102 or in the middle portion thereof be.
  • the connecting device 108 can also be approximately normal to the handle 102 and Handle 10 of the floor cleaning machine run, but alternatively as with dashed lines entered, a flat angle to handle 102 and handle 10 lock in. To ensure that this connection device 108 is not lost, it is preferably firmly connected to the trolley.

Landscapes

  • Cleaning In General (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP99890114A 1998-04-14 1999-04-01 Machine pour nettoyer les sols Expired - Lifetime EP0950370B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI9930910T SI0950370T1 (sl) 1998-04-14 1999-04-01 Naprava za ciscenje tal
AT99890114T ATE323443T1 (de) 1998-04-14 1999-04-01 Bodenreinigungsmaschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT63598 1998-04-14
AT0063598A AT406633B (de) 1998-04-14 1998-04-14 Bodenreinigungsmaschine

Publications (3)

Publication Number Publication Date
EP0950370A2 true EP0950370A2 (fr) 1999-10-20
EP0950370A3 EP0950370A3 (fr) 2003-12-03
EP0950370B1 EP0950370B1 (fr) 2006-04-19

Family

ID=3495815

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EP99890114A Expired - Lifetime EP0950370B1 (fr) 1998-04-14 1999-04-01 Machine pour nettoyer les sols

Country Status (7)

Country Link
US (2) US6463616B1 (fr)
EP (1) EP0950370B1 (fr)
AT (1) AT406633B (fr)
AU (1) AU746908B2 (fr)
DE (1) DE59913342D1 (fr)
DK (1) DK0950370T3 (fr)
HU (1) HUP9900518A3 (fr)

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AT410891B (de) * 2001-12-10 2003-08-25 Rotowash Reinigungsmasch Gmbh Bodenreinigungsmaschine mit koppelbarer seitenbürste
WO2008061974A2 (fr) * 2006-11-23 2008-05-29 Vorwerk & Co. Interholding Gmbh Appareil électro-ménager de nettoyage de sol humide mobile et dispositif d'humidification pour rouleau mouilleur
CN104757913A (zh) * 2015-05-04 2015-07-08 许春虎 一种擦地车
DE102019109946A1 (de) * 2019-04-15 2020-10-15 Alfred Kärcher SE & Co. KG Reinigungsmaschine mit Gelenkeinrichtung und Reinigungsmaschine mit Antriebseinrichtung
CN113266977A (zh) * 2021-06-27 2021-08-17 胡凯 一种具有杀菌除异味的保鲜柜
CN118003173A (zh) * 2024-04-10 2024-05-10 中建八局西南建设工程有限公司 一种三磨盘组合式地坪研磨机

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DE10110767A1 (de) * 2001-03-07 2002-09-19 Duepro Ag Romanshorn Reinigungsvorrichtung für Glattböden
US20060195991A1 (en) * 2004-05-11 2006-09-07 Baumhakel Alexander J Transport cleaning device
WO2008106588A1 (fr) * 2007-02-28 2008-09-04 Nilfisk-Advance, Inc. Procédés et appareils de minimisation de poussière en suspension dans les machines d'entretien du sol
US20080229530A1 (en) * 2007-03-23 2008-09-25 Eric Kordick Grout cleaning apparatus
US8361542B2 (en) * 2008-11-05 2013-01-29 Miller Alan T Apparatus and methods for treating mulch in situ
DK178008B9 (da) * 2009-11-10 2015-03-16 Poul Erik Jespersen Apparat til slibning/pudsning eller afrensning af en overflade
US20110247651A1 (en) 2010-04-13 2011-10-13 Neumann Peter M Fabric Sweeper
US9328959B2 (en) 2011-03-04 2016-05-03 Motor City Wash Works, Inc. Vehicle wash drying system
US9357895B2 (en) 2013-01-14 2016-06-07 Kärcher North America, Inc. Gravity feed solution distribution system
KR101692737B1 (ko) * 2015-09-23 2017-01-04 엘지전자 주식회사 로봇 청소기
CN107309192B (zh) * 2017-08-08 2023-06-20 贵州理工学院 一种清洁装置及键盘的清洁方法
IT201800004138A1 (it) * 2018-03-30 2019-09-30 Scarselli Patrizia Macchina per il lavaggio di pavimenti
EP3756524B1 (fr) * 2019-06-25 2023-06-07 Shenzhen Jashen Technology Co., Ltd. Un système de balai à franges électrique et une station de base pour le nettoyage du balai
CN114364295A (zh) 2019-09-06 2022-04-15 阿尔弗雷德·卡赫欧洲两合公司 具有毛发拾取部的地面清洁机和用于运行地面清洁机的方法
CN114190827A (zh) * 2020-09-18 2022-03-18 江苏苏美达五金工具有限公司 洗地机
CN112495860A (zh) * 2020-11-23 2021-03-16 湖北鑫建机械租赁有限公司 一种瓷片表面擦拭器
DE102022107727B3 (de) 2022-03-31 2023-06-15 J. Wagner Gmbh Reinigungsgerät
WO2023186601A1 (fr) 2022-03-31 2023-10-05 J. Wagner Gmbh Appareil de nettoyage humide
DE102022109439B3 (de) 2022-03-31 2023-06-15 J. Wagner Gmbh Feuchtreinigungsgerät

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US1379806A (en) * 1917-11-28 1921-05-31 Kajetan S Dubicki Brushing and scrubbing machine
US2279454A (en) * 1941-01-04 1942-04-14 Fischer Herbert Floor scraper
CH249087A (de) * 1946-01-04 1947-06-15 Jucker Ehrat Werner Bodenreinigungsmaschine.
US3074090A (en) * 1960-08-11 1963-01-22 Frederick Meiswinkel Inc Floor scraper
FR1377041A (fr) * 1963-12-09 1964-10-31 Appareil électro-ménager destiné à accomplir de lui-même l'action de frotter
DE1934025A1 (de) * 1969-07-04 1971-01-14 Holsteinische Textilveredlungs Verfahren und Vorrichtung zur Reinigung vorzugsweise ebener Flaechen mittels Haftkleber
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EP0286328A1 (fr) * 1987-04-03 1988-10-12 Rotowash Scandinavia Aps Appareil pour le nettoyage humide d'une surface de plancher ou de mur

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT410891B (de) * 2001-12-10 2003-08-25 Rotowash Reinigungsmasch Gmbh Bodenreinigungsmaschine mit koppelbarer seitenbürste
WO2008061974A2 (fr) * 2006-11-23 2008-05-29 Vorwerk & Co. Interholding Gmbh Appareil électro-ménager de nettoyage de sol humide mobile et dispositif d'humidification pour rouleau mouilleur
WO2008061974A3 (fr) * 2006-11-23 2009-01-22 Vorwerk Co Interholding Appareil électro-ménager de nettoyage de sol humide mobile et dispositif d'humidification pour rouleau mouilleur
CN104757913A (zh) * 2015-05-04 2015-07-08 许春虎 一种擦地车
DE102019109946A1 (de) * 2019-04-15 2020-10-15 Alfred Kärcher SE & Co. KG Reinigungsmaschine mit Gelenkeinrichtung und Reinigungsmaschine mit Antriebseinrichtung
WO2020212188A1 (fr) 2019-04-15 2020-10-22 Alfred Kärcher SE & Co. KG Machine de nettoyage comportant un dispositif d'articulation et machine de nettoyage comportant un dispositif d'actionnement
CN113266977A (zh) * 2021-06-27 2021-08-17 胡凯 一种具有杀菌除异味的保鲜柜
CN113266977B (zh) * 2021-06-27 2023-09-29 胡凯 一种具有杀菌除异味的保鲜柜
CN118003173A (zh) * 2024-04-10 2024-05-10 中建八局西南建设工程有限公司 一种三磨盘组合式地坪研磨机

Also Published As

Publication number Publication date
EP0950370A3 (fr) 2003-12-03
ATA63598A (de) 1999-12-15
AU746908B2 (en) 2002-05-02
HUP9900518A2 (hu) 2000-09-28
AU2375899A (en) 1999-10-21
HUP9900518A3 (en) 2004-12-28
DK0950370T3 (da) 2006-08-21
EP0950370B1 (fr) 2006-04-19
DE59913342D1 (de) 2006-05-24
US20020148056A1 (en) 2002-10-17
AT406633B (de) 2000-07-25
HU9900518D0 (en) 1999-05-28
US6463616B1 (en) 2002-10-15

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