EP2778288B1 - Machine de nettoyage du sol dotée d'un dispositif de couplage pour un accessoire - Google Patents

Machine de nettoyage du sol dotée d'un dispositif de couplage pour un accessoire Download PDF

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Publication number
EP2778288B1
EP2778288B1 EP14159643.7A EP14159643A EP2778288B1 EP 2778288 B1 EP2778288 B1 EP 2778288B1 EP 14159643 A EP14159643 A EP 14159643A EP 2778288 B1 EP2778288 B1 EP 2778288B1
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EP
European Patent Office
Prior art keywords
base
cleaned
add
travel direction
flap
Prior art date
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Active
Application number
EP14159643.7A
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German (de)
English (en)
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EP2778288A3 (fr
EP2778288A2 (fr
Inventor
Carsten Protz
Bertram Ulrich
Finn Steffens
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.)
Hako GmbH
Original Assignee
Hako GmbH
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Publication date
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Publication of EP2778288A2 publication Critical patent/EP2778288A2/fr
Publication of EP2778288A3 publication Critical patent/EP2778288A3/fr
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Publication of EP2778288B1 publication Critical patent/EP2778288B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
    • E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers

Definitions

  • the present invention relates to an attachment for a floor cleaning machine with a chassis for moving the floor cleaning machine in a direction of travel over a surface to be cleaned and with a suction unit for cleaning the surface to be cleaned, comprising a base and an attachment which releasably connected together in a locking position are, wherein the base is mounted on the chassis and having a parallel to the surface to be cleaned extending base plate having a suction opening, which is connected to a suction pipe leading to a dirt container, wherein the attachment is a suction mouth, which has a mounting plate a suction opening, wherein in the locking position, the mounting plate rests against the base plate and the suction openings are superimposed, wherein a front coupling element of the attachment engages the base in a seen in the direction of travel front portion of the base and wherein a hi ntere coupling device of the base engages the attachment in a seen in the direction of travel rear portion of the attachment. Furthermore, the invention relates to a floor cleaning machine.
  • Floor cleaning machines or multi-purpose vehicles are known from the prior art, which have a suction unit, with the aid of which, for example, collected dirt or with the help of a mower cut grass can be sucked.
  • a suction unit with the aid of which, for example, collected dirt or with the help of a mower cut grass can be sucked.
  • additional equipment is provided, which can be replaceable or detachably attached to the vehicle.
  • Such machines or vehicles can be used for a variety of tasks.
  • the floor cleaning machine comprises a suction unit for cleaning a surface to be cleaned, which is formed by a height-adjustable mounted on the machine base plate and a detachably connected thereto attachment.
  • the attachment has four coupling elements facing away from the attachment and the surface to be cleaned and engaging four correspondingly formed projections on the base to releasably support the attachment to the base.
  • a locking lever is arranged on the attachment, which is pivotable about a perpendicular to the surface to be cleaned pivot axis between a locking position and a release position, wherein the closure lever on one side of the pivot axis a hook for engagement with a base arranged on the locking element has and on the other side of the pivot axis has a handle for manual pivoting of the locking lever.
  • a solid locking of the attachment to the base can be ensured.
  • the locking lever can first be pivoted into a locking position in which it prevents the attachment from being moved away from the base.
  • a hook which is formed on one side of the pivot axis on the locking lever, engages with a locking element arranged on the base.
  • the locking element may be formed, for example, as a pin.
  • an operator may engage and pivot the lock lever manually from a lock position to a release position by means of a handle formed on the opposite side of the lock lever from the hook.
  • the locking lever or the engagement of the holding surface with the locking element prevents movement of the attachment in the direction of travel away from the base.
  • suction mouth in the sense of the present application not only includes such attachments that are designed to receive in its area with the help of brooms promoted dirt, but also include connecting pieces that serve, for example, a Mower to connect to the base or from a Absorb scrubber left behind cleaning solution.
  • the hook has a free end and a holding portion with a locking surface facing the locking element for engagement with the locking element, wherein a radius of the support surface decreases about the pivot axis with increasing distance from the free end.
  • the radius of the retaining surface which engages with the locking element is not constant. If the locking lever is pivoted from the release position to the locking position, so first engages a portion of the support surface with the locking element, which is located in the vicinity of the free end of the hook. If the locking lever is pivoted further away from the release position, then other sections of the retaining surface engage with the locking element.
  • the locking lever preferably has in the region of the pivot axis an unlocking section with an unlocking surface for engagement with the locking element upon pivoting of the locking lever from the locking position, wherein a radius of the Entriegel specifications about the pivot axis of a contact point with the locking element in the locking position to a free end of the Hook's opposite point increases.
  • the locking lever in the region of the pivot axis on a Entriegel constitution which upon pivoting of the locking lever from the locking position in the Release position can engage with the locking element.
  • the distance between the unlocking surface, which engages with the locking element increases from the pivot axis during pivoting from the locking position to the release position.
  • an attachment plate limiting the attachment plate opposite to the direction of travel is inclined towards the surface to be cleaned.
  • the mounting plate has at its rear in the direction of travel and in the end portion on a recess.
  • the base has a rear coupling device which extends from the base plate hook-shaped in the direction of the surface to be cleaned, wherein an opening of the hook-shaped rear coupling device facing in the direction of travel.
  • the coupling device of the base has two mutually technological centering edges whose distance increases from one another counter to the direction of travel. The centering edges engage with opposite lateral edge portions of the mounting plate, wherein the lateral edge portions surround the recess in the mounting plate.
  • the mounting plate is pushed against the direction of travel under the base plate.
  • the rear coupling device has two centering edges, which laterally delimit the coupling device, which point away from one another and whose distance decreases in the direction of travel.
  • the centering edges form the non-parallel edges of a trapezium that tapers in the direction of travel.
  • the centering edges may be substantially parallel to the surface to be cleaned.
  • the rear coupling device may for example be formed in one piece. But it is also conceivable that the coupling device is formed by two coupling elements, wherein the centering edges are formed on different coupling elements.
  • the mounting plate is in the preferred embodiment in the direction away from the direction of travel, i. to the rear, bounded by an end portion which is inclined to the surface to be cleaned.
  • the end portion may for example be perpendicular to the mounting plate. But it is also conceivable that the end portion is inclined at an angle of less than 90 ° to the mounting plate.
  • the rear portion of the mounting plate and the end portion have a recess for receiving the rear coupling device.
  • the attachment In order to connect the attachment to the base, in the preferred embodiment, the attachment is pushed against the direction of travel under the base. If the attachment is not arranged exactly centrally under the base, initially only one of the centering edges engages with an edge section which laterally delimits the recess in the attachment plate. If the attachment is further pushed against the direction of travel under the base, the centering slides along the edge portion along and the attachment is so long moved perpendicular to the direction of travel until the second centering edge engages with an edge portion surrounding the recess, and the attachment under the Base is centered. In the preferred embodiment, the attachment can be connected to the base with very little effort, since the attachment must not be aligned exactly centered to the base. In addition, by the lateral engagement of the coupling device with the Edge sections fixed the attachment perpendicular to the direction of travel.
  • the opening of the rear coupling device of the base is partially surrounded by a lower holding portion for engagement with the attachment, which points away from the surface to be cleaned and increases its distance from the surface to be cleaned against the direction of travel.
  • a holding rod extending perpendicular to the direction of travel and parallel to the surface to be cleaned is provided for engagement with the holding portion of the coupling device on the attachment.
  • the coupling device forms a hook on which the attachment can be pushed. The opening of the hook points in the direction of travel, so that the attachment can be pushed in the preferred embodiment opposite to the direction of travel under the base.
  • a lower holding portion which faces away from the surface to be cleaned, forms a sloping counter to the direction of travel, on which the attachment and preferably a support rod rests, for example, with a circular cross-section.
  • the base plate on its seen in the direction of travel front portion on a widening in the direction of travel recess.
  • the attachment has two front coupling elements extending from the mounting plate and extend away from the surface to be cleaned.
  • the front coupling elements of the attachment engage with opposite lateral edge portions of the base plate, wherein the lateral edge portions surround the recess in the base plate.
  • the recess in the front portion of the base plate also makes it possible to mount the mounting plate or the attachment in a particularly simple manner and very quickly.
  • the base plate on a recess which has at least partially the shape of a trapezoid, wherein the lateral edge portions form the non-parallel sides of the trapezoid.
  • the recess tapers counter to the direction of travel, so that even here when arranging the mounting plate below the base plate or the attachment below the base plate no exactly central arrangement, ie no exact alignment perpendicular to the direction of travel of the attachment is necessary.
  • each front coupling element of the attachment engages with a contact surface of the base facing away from the surface to be cleaned.
  • the coupling elements can be formed for example from extending perpendicular to the mounting plate flat elements through which run parallel to the surface to be cleaned and the mounting plate bolts. If these bolts engage with the abutment elements of the base, then the base and attachment can be lifted together.
  • the bearing elements facing away from the surface to be cleaned are formed by wedge-shaped elements which are arranged on the base plate and whose extent increases perpendicularly to the surface to be cleaned counter to the direction of travel.
  • the attachment is pushed in the preferred embodiment opposite to the direction of travel under the base plate to connect it with this.
  • the coupling elements initially engage with the portion of the wedge-shaped elements, which has the smallest distance to the base plate. If the attachment is further moved against the direction of travel to the base, then slide the coupling elements along the contact elements along whose distance increases to the surface to be cleaned.
  • the distance between the base plate and mounting plate perpendicular to the surface to be cleaned is getting smaller, until the plates are preferably flush or positively abutting each other.
  • the suction openings then close to each other, so that little secondary air enters the suction system and added water does not escape.
  • the attachment has preferably at a front in the direction of travel section from the mounting plate to the cleaning surface extending Grobgutklappe, which can be pivoted about a parallel to the surface to be cleaned and perpendicular to the direction of travel flap axis from a closed position against the direction of travel in an open position.
  • the attachment has a push rod coupled at one end to the coarse feed flap for pivoting the coarse feed flap from the closed position to the open position and having a push surface at another end.
  • the base has a flap lever, which is mounted on a perpendicular to the direction of travel and parallel to the surface to be cleaned pivotally mounted on the base, wherein a free end of the flap lever can come into contact with the thrust surface, so that by pivoting the flap lever Pushed push rod and the Grobgutklappe can be pivoted to the open position.
  • a push rod is provided, one end of which is hinged to the coarse feed flap, so that the coarse feed flap can be pivoted with the push rod between a closed position and an open position. At another end of the push rod, this has a contact surface or thrust surface on which a arranged on the base flap lever can rest.
  • the flap lever is permanently connected to an actuating device by means of which an operator can pivot the flap lever. The pivoting of the flap lever shifts the push rod and pivots the coarse material flap in an open position.
  • the actuator is a cable or Bowden cable.
  • the actuating device is only required for pivoting the coarse material flap in the open position. If the actuator is not operated further, then the coarse material flap pivots back into the closed position by gravity. Since the push rod and the flap lever are coupled to the coarse material flap, they follow this movement.
  • a spring element can be provided, with which the push rod is biased into a position in which the coarse material flap is in the closed position.
  • FIG. 1 to 7 an embodiment of a floor cleaning machine according to the invention and an attachment according to the invention will be described, wherein the floor cleaning machine only in Fig. 1 is completely shown and show the remaining figures whose suction unit or sections of the suction unit.
  • the floor cleaning machine 1 is in the present embodiment, a so-called sweeper with two brooms 3, which are rotationally driven about a perpendicular to the surface to be cleaned 5 extending axis.
  • the two brooms 3 is only in the direction of travel 7 of the floor cleaning machine 1 left broom 3 in Fig. 1 shown in order not to restrict the view of a suction unit 9 located behind it.
  • the floor cleaning machine 1 has a chassis 11 with four wheels 13 for moving the floor cleaning machine 1 over the surface to be cleaned 5. Of the four wheels 13, two or four wheels 13 may be driven. On the chassis 11, the suction unit 9 is mounted altogether height adjustable. The suction unit 9 is connected via a suction pipe 15 with a dirt container 17. In addition, the floor cleaning machine 1 has means with which an air flow in the suction pipe 15 can be generated, which absorbs coarse dirt or debris from the surface to be cleaned 5 and transported into the dirt container or dirt container 17.
  • the suction unit 9 is formed by a base 19 which is firmly but height-adjustable on the chassis 11, and an attachment 21 which can be detachably connected to the base 19 is formed.
  • the attachment 21 is a suction mouth 21.
  • the suction mouth 21 and the base 19 each have a suction opening 23, 25, which lie one above the other, when the base 19 and the attachment 21 are connected together in a locking position, as in the FIGS. 2 and 3 is shown.
  • the suction openings 23, 25 are connected via the suction pipe 15 to the dirt container 17.
  • the means for generating an air flow in the suction tube 15, which are not shown in the figures and may be formed, for example, as a provided on the dirt container 17 blower, generate through the suction openings 23, 25 through an air flow, with the dirt and dirt from the cleansing surface 5 can be absorbed.
  • the base 19 comprises a base plate 27 which extends in operation parallel to the surface 5 to be cleaned and in which the suction opening 23 is formed. Accordingly, the attachment 21 has a mounting plate 29, which also extends parallel to the surface 5 to be cleaned. The mounting plate 29 is in the locking position directly to the base plate 27 at.
  • the attachment 21 further has its own chassis 31, which includes two wheels on the rear end of the mounting plate 29 seen in the direction of travel 7. It is also conceivable that the attachment 21 has a chassis 31 with more or less than two wheels.
  • an apron 33 is arranged on the side of the mounting plate 29 to be cleaned on the surface 5 to be cleaned.
  • the apron 33 extends around the mounting plate 29 and at least partially seals the space under the mounting plate 29 from the environment. As a result, the suction effect of the suction unit 9 is amplified.
  • a lever or a locking lever 35 is initially provided on the attachment 21.
  • the locking lever 35 is pivotally mounted about a pivot axis 37 on the mounting plate 29.
  • the pivot axis 37 extends perpendicular to the surface 5 to be cleaned and the direction of travel 7.
  • the locking lever 35 On one side of the pivot axis 37, the locking lever 35 has a hook 39.
  • a locking element 41 is provided in the form of a pin 41, with which the hook 39 engages when the locking lever 35 is pivoted into a locking position. In the locking position, the engagement of the hook 39 on the locking element 41 prevents movement of the attachment 21 in the direction of travel 7 away from the base 19.
  • the closure lever 35 further has a handle 43, which is arranged on the side facing away from the hook 39 side of the pivot axis 37 on the locking lever 35 and is formed by the locking lever 35.
  • the handle 43 With the handle 43, the shutter lever 35 between a locking position, as in the Fig. 2, 3rd and 4 shown, and a release position, the in Fig. 5 is shown, are pivoted. Since the length of the locking lever 35 on the side of the handle 43 is significantly longer than on the side of the hook 39, a user has a large lever arm available to detachably connect the attachment 21 to the base 19 and to facilitate the accessibility of the changing system ,
  • the hook 39 has a free end 45 and a tip 45 and a holding surface 47 for engagement with the locking element 41.
  • a radius of the holding surface 47 about the pivot axis 37 decreases with increasing distance from the free end of the hook 39.
  • the distance of the holding surface 47 of the Swivel axis 37 in the area largest which first comes into engagement with the locking element 41 when the locking lever 35 is pivoted from the release to the locking position.
  • the distance of the portion of the support surface 47 engaged with the lock member 41 from the lock member 41 continuously decreases.
  • the attachment 21 is thus pulled further under the base 19, and it can be a particularly strong Verrieglung between the attachment 21 and the base 19 can be achieved.
  • an unlocking surface 49 is provided on the closure lever 35 in the region of the pivot axis 37.
  • the unlocking surface 49 engages with the locking element 41 during pivoting of the locking lever 35 from the locking position out.
  • a radius of the Entriegel Materials 49 about the pivot axis 37 increases from a point of contact with the locking element 41 in the locking position to a free end 45 of the hook 39 opposite point 51 to.
  • the base plate 27 has a recess 53 in a front section viewed in the direction of travel 7.
  • the recess 53 tapers counter to the direction of travel 7.
  • the width of the recess 53 perpendicular to the direction of travel 7 thus decreases counter to the direction of travel 7.
  • two front coupling elements 55 are provided, which engage with opposite lateral edge portions 57 of the base plate 27. Since on each side of the recess 53, a coupling element 55 of the attachment 21 engages with an edge portion 57, fix the edge portions 57, the attachment 21 with respect to the base 19 perpendicular to the direction of travel. 7
  • the recess 53 which tapers counter to the direction of travel 7, facilitates the exact alignment of the attachment 21 to the base during assembly.
  • initially only approximately central alignment of the attachment part 21 is necessary with respect to the direction of travel 7. If the attachment 21 is pushed against the direction of travel 7 under the base 19, engages with not exactly central alignment first one of the two coupling elements 55 with an edge portion 57 and moves the attachment 21 with respect to the base 19 during further displacement of the attachment 19 against the Driving direction 7 until the second coupling member 55 engages with an opposite edge portion 57, so that the attachment 21 is aligned centrally with respect to the base 19. This ensures that, for example, the suction openings 23, 25 and any other existing connections are correctly aligned with each other.
  • each one of the surface to be cleaned 5 is on each side of the recess 53 each one of the surface to be cleaned 5 and the base plate 27 facing away contact element 59 is provided, which is wedge-shaped, wherein the tip of the wedge in the direction of travel 7 and the height of the contact element 59 of the base plate 27 increases counter to the direction of travel 7.
  • On the coupling elements 55 of the attachment 21 engaging elements 61 are provided in the form of bolts or pins 61 which extend perpendicular to the direction of travel 7 and parallel to the surface 5 to be cleaned. The engagement elements 61 engage in the closed position with the contact elements 59 and prevent the attachment 21 in the direction of the surface to be cleaned 5 to move away from the base 19.
  • the mounting plate 29 in a seen in the direction of travel 7 rear section and in particular in an end portion 62 which limits the mounting plate 29 against the direction of travel 7 and which is inclined to the surface to be cleaned 5, a recess 63 on.
  • the recess 63 is bounded laterally by opposite lateral edge portions 65.
  • a rear coupling means 67 is provided, which engages with the lateral edge portions 65 of the mounting plate 29 and a lateral Movement of the attachment 21 with respect to the base 19 prevented.
  • the coupling device 67 extends from the base 19 in the shape of a hook towards the surface 5 to be cleaned.
  • the inner surface of the hook forms a lower holding portion 71 for engagement with the attachment 21.
  • the coupling means 67 further comprises two centering edges 73 which laterally bound the coupling means 67 and point away from each other. The distance between the centering edges 73 from each other decreases in the direction of travel 7.
  • the coupling device 67 is at least partially trapezoidal, wherein the non-parallel sides of the trapezoid are formed by the Zentrierkanten 73 and the narrow side of the trapezoid in the direction of travel 7 has.
  • the attachment 21 is pushed against the direction of travel 7 under the base 19, so that due to the interaction between the centering edges 73 and the edge portions 65 in the rear area an exact alignment of the attachment 21 is not necessary, since first one of the centering edges 73 with an edge portion 65 engages and the attachment 21 as far as the direction of travel 7 moves so far perpendicular to the direction of travel 7 until both centering edges 73 of the base 19 engage with one of the opposite edge portions 65 of the recess 63 in the mounting plate 29 and the attachment 21 centrally to the base 19th is aligned.
  • a correct alignment of the base 19 to the attachment 21 is ensured in the rear area of the suction unit 9, so that the suction openings 23, 25 lie directly above one another and the full suction power is available on the surface 5.
  • the opening 69 of the rear coupling device 67 is partially surrounded by the lower holding portion 71 for engagement with the attachment 21.
  • the holding portion 71 faces away from the surface 5 to be cleaned, and its distance from the cleaning surface 5 increases counter to the direction of travel 7.
  • the holding portion 71 thus forms a rising ramp which rises away from the surface 5 to be cleaned, so that the attachment 21 is moved closer to the base 19 when pushed onto the holding portion 71.
  • the mounting plate 29 is used so close to the base plate 27 that between the plates 27, 29 no line losses, for example in the region of the suction openings 23, 25, arise.
  • a holding rod 75 is provided on the attachment 21, which extends parallel to the surface 5 to be cleaned and perpendicular to the direction of travel 7.
  • the support rod 75 has a circular cross-section.
  • a Grobgutklappe 77 is also provided, which extends from a front portion of the mounting plate 29 away on the surface 5 to be cleaned.
  • the function of the coarse material flap 77 is shown in detail in FIG Fig. 7 shown.
  • the coarse material flap 77 is pivotable about a flap axis 79 between a closed position and an open position, wherein in the figures only the closed position is shown. In the closed position, only a narrow gap 81 between the surface 5 to be cleaned and the coarse material flap 77 is free, through which rubbish can reach the receiving area of the floor cleaning machine 1 under the suction openings 23, 25 of the suction unit 21.
  • the gap 81 is made narrow to improve the cleaning performance of the floor cleaning machine 1.
  • the coarse material flap 77 can be pivoted about the flap axis 79 counter to the direction of travel 7 on the mounting plate 29.
  • the coarse material flap 77 must be able to be operated by an operator of the floor cleaning machine 1 while driving.
  • an actuator 83 is provided in the form of a Bowden cable 83 which is connected to a flap lever 85 which is supported on the base 19 pivotally about a parallel to the surface to be cleaned 5 and perpendicular to the direction of travel 7 axis.
  • the flap lever 85 is pivoted by the Bowden cable 83 in an upper portion opposite to the direction of travel 7.
  • the lower portion or a free end 87 of the flap lever 85 pivots forward, ie in the direction of travel 7, and presses on a pushing surface 89 against a push rod 91, which is arranged on the attachment 21.
  • the push rod 91 moves in the direction of travel 7, whereby the coarse material flap 77 is pivoted to the open position.
  • a spring element is provided in order to pivot the coarse material flap 77 back into the closed position.
  • the spring element which is not shown in the figures, connects a stop element 93 on the attachment 21 with a stop element 95 on the push rod 91 and biases the push rod 91 against the direction of travel 7, so that the coarse material flap 77 in the closed position is pivoted when the Bowden cable 83 is not operated.
  • the construction according to the invention of the coarse material flap 77 and the device for actuating the coarse material flap 77 is particularly advantageous since the coarse flaps 77 are automatically coupled to the actuating device 83 when the suction unit 21 is connected to the base 19. Additional time-consuming steps for connecting the actuator 83 to the coarse material flap 77 are not necessary.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Cleaning In General (AREA)

Claims (15)

  1. Pièce rapportée pour une unité d'aspiration (9) d'une machine de nettoyage de sols (1) qui peut être reliée à une base (19) de l'unité d'aspiration (9), la base (19) comprenant une plaque de base (27) s'étendant parallèlement à la surface à nettoyer (5), avec une ouverture d'aspiration (23),
    - la pièce rapportée (21) étant une bouche d'aspiration (21) qui comprend une plaque rapportée (29) avec une ouverture d'aspiration (25),
    - la plaque rapportée (29) étant conçue pour s'appuyer contre la plaque de base (27), les ouvertures d'aspiration (23, 25) étant superposées lorsqu'elles sont appuyées l'une contre l'autre,
    - un élément de couplage avant (55) de la pièce rapportée (21) étant conçu pour s'emboîter avec la base (19) dans une portion avant, vue dans la direction de déplacement (7), de la base (19),
    caractérisée en ce que
    - un levier de fermeture (35) est disposé sur la pièce rapportée (21), qui peut pivoter autour d'un axe de pivotement (37) s'étendant perpendiculairement à la surface à nettoyer (5),
    - le levier de fermeture (35) comprenant, sur un côté de l'axe de pivotement (37), un crochet (39) destiné à s'emboîter avec un élément de verrouillage (41) disposé sur la base (19) et, sur un autre côté de l'axe de pivotement (37), une poignée (43) pour le pivotement manuel du levier de fermeture (35).
  2. Pièce rapportée selon la revendication 1, caractérisée en ce que le crochet (39) comprend une extrémité libre (45) et une portion de maintien avec une surface de maintien (47) orientée vers l'élément de verrouillage (41), destinée à s'emboîter avec l'élément de verrouillage (41), un rayon de la surface de maintien (47) autour de l'axe de pivotement (37) diminuant lorsque la distance par rapport à l'extrémité libre (45) augmente.
  3. Pièce rapportée selon la revendication 1 ou 2, caractérisée en ce que le levier de fermeture (35) comprend, au niveau de l'axe de pivotement (37), une portion de déverrouillage avec une surface de déverrouillage (49) destinée à s'emboîter avec l'élément de verrouillage (41) lors du pivotement du levier de fermeture (35) hors de la position de fermeture, un rayon de la surface de déverrouillage (49) autour de l'axe de pivotement (37) augmentant en direction de la poignée (43).
  4. Pièce rapportée selon l'une des revendications 1 à 3, caractérisée en ce qu'une portion d'extrémité (62) limitant la plaque rapportée (29) à l'encontre de la direction de déplacement (7) est inclinée par rapport aux surfaces à nettoyer (5),
    - en ce que la plaque rapportée (29) comprend, sur sa portion arrière, vue dans la direction de déplacement (7) et, dans la portion d'extrémité (62), un évidement (63) et
    - en ce que les portions d'arêtes latérales (65), opposées entre elles, de la plaque rapportée (29) sont conçues pour s'emboîter avec deux arêtes de centrage (73), orientées dans des directions opposées entre elles, d'un dispositif de couplage arrière (67) de la base (19), les portions d'arêtes latérales (65) entourant l'évidement (63) dans la plaque rapportée (29),
    - une tige de maintien (75) s'étendant perpendiculairement à la direction de déplacement (7) et parallèlement à la surface à nettoyer (5), conçue pour s'emboîter avec une portion de maintien (71) du dispositif de couplage (67) étant prévue de préférence sur la pièce rapportée (21).
  5. Pièce rapportée selon l'une des revendications 1 à 4, caractérisée en ce que la pièce rapportée (21) comprend deux éléments de couplage avant (55) qui s'éloignent de la plaque rapportée (29) et de la surface à nettoyer (5) et
    - en ce que les éléments de couplage avant (55) de la pièce rapportée (21) sont conçus pour s'emboîter avec des portions d'arêtes latérales (57) de la plaque de base (27), les portions d'arêtes latérales (57) entourant un évidement (53) dans la plaque de base (27).
  6. Pièce rapportée selon l'une des revendications 1 à 5, caractérisée en ce que, sur une portion avant, vue dans la direction de déplacement (7), est prévu un clapet pour particules grossières (77) s'étendant de la plaque rapportée (29) vers la surface à nettoyer (5), qui peut être pivoté, autour d'un axe de clapet (79), s'étendant parallèlement à la surface à nettoyer (5) et perpendiculairement à la direction de déplacement (7), d'une position fermée opposée à la direction de déplacement (7) vers une position ouverte, et
    - en ce que la pièce rapportée (21) comprend une tige de poussée (91) qui est couplée, à une extrémité, avec le clapet à particules grossières (77), afin de pouvoir pivoter le clapet à particules grossières (77) de la position fermée vers la position ouverte, et qui comprend, au niveau d'une autre extrémité, une surface de poussée (89) conçue pour s'emboîter avec un levier de clapet (85) disposé sur la base (19), un pivotement du levier de clapet (85) permettant de pousser la tige de poussée (91) et de pivoter le clapet à particules grossières (77) vers la position ouverte.
  7. Machine de nettoyage de sols avec un châssis (11) pour le déplacement de la machine de nettoyage de sols (1) dans une direction de déplacement (7) au-dessus d'une surface à nettoyer (5) et avec une unité d'aspiration (9) pour le nettoyage de la surface à nettoyer (5), qui comprend une base (19) et une pièce rapportée (21) selon l'une des revendications 1 à 6, qui sont reliées entre elles de manière amovible dans une position de verrouillage,
    - la base (19) étant fixée sur le châssis (11) et comprenant une plaque de base (27) s'étendant parallèlement à la surface à nettoyer (5), avec une ouverture d'aspiration (23), qui est reliée avec un tube d'aspiration (15) qui conduit à un récipient à déchets (17),
    - le levier de fermeture (35) pouvant être pivoté, autour d'un axe de pivotement (37) s'étendant perpendiculairement à la surface à nettoyer (5), entre une position de verrouillage et une position de déverrouillage et
    - un dispositif de couplage arrière (67) de la base (19) s'emboîtant sur la pièce rapportée (21), dans une portion arrière, vue dans la direction de déplacement (7), de la pièce rapportée (21).
  8. Machine de nettoyage de sols selon la revendication 7, le crochet (39) comprenant une extrémité libre (45) et une portion de maintien avec une surface de maintien (47), orientée vers l'élément de verrouillage (41), conçue pour s'emboîter avec l'élément de verrouillage (41), un rayon de la surface de maintien (47) autour de l'axe de pivotement (37) diminuant lorsque la distance par rapport à l'extrémité libre (45) augmente.
  9. Machine de nettoyage de sols selon la revendication 7 ou 8, le levier de fermeture (35) comprenant, au niveau de l'axe de pivotement (37), une portion de déverrouillage avec une surface de déverrouillage (49) conçue pour s'emboîter avec l'élément de verrouillage (41) lors du pivotement du levier de fermeture (35) hors de la position de verrouillage, un rayon de la surface de déverrouillage (49) autour de l'axe de pivotement (37) augmente à partir d'un point d'appui avec l'élément de verrouillage (41) dans la position de verrouillage vers un point (51) opposé à l'extrémité libre (45) du crochet (39).
  10. Machine de nettoyage de sols selon l'une des revendications 7 à 9, caractérisée en ce qu'une portion d'extrémité (62) limitant la plaque rapportée (29) contre la direction de déplacement (7) est inclinée vers la surface à nettoyer (5),
    - en ce que la plaque rapportée (29) comprend, au niveau de sa portion arrière, vue dans la direction de déplacement (7), et, dans la portion d'extrémité (62), un évidement (63),
    - en ce que la base (19) comprend un dispositif de couplage arrière (67) qui s'étend de la plaque de base (27), sous la forme d'un crochet, en direction de la surface à nettoyer (5), une ouverture (69) du dispositif de couplage arrière (67) en forme de crochet étant orientée dans la direction de déplacement (7), et
    - en ce que le dispositif de couplage (67) de la base (19) comprend deux arêtes de centrage (73) orientées dans des directions opposées, la distance des arêtes de centrage (73) entre elles augmentant à l'encontre de la direction de déplacement (7) et les arêtes de centrage (73) s'emboîtant avec des portions d'arêtes latérales (65), opposées entre elles, de la plaque rapportée (29), les portions d'arêtes latérales (65) entourant l'évidement (63) dans la plaque rapportée (29).
  11. Machine de nettoyage de sols selon l'une des revendications 7 à 10, caractérisée en ce que l'ouverture (69) du dispositif de couplage arrière (67) de la base (19) est entourée partiellement par une portion de maintien inférieure (71), conçue pour s'emboîter avec la pièce rapportée (21), qui est orientée dans la direction opposée à la surface à nettoyer (5) et dont la distance par rapport à la surface à nettoyer (5) augmente à l'encontre de la direction de déplacement (7),
    - une tige de maintien (75) s'étendant perpendiculairement à la direction de déplacement (7) et parallèlement à la surface à nettoyer (5), conçue pour s'emboîter avec une portion de maintien (71) du dispositif de couplage (67) étant prévue de préférence sur la pièce rapportée (21).
  12. Machine de nettoyage de sols selon l'une des revendications 7 à 11, caractérisée en ce que la plaque de base (27) comprend, au niveau de sa portion avant, vue dans la direction de déplacement (7), un évidement (53) s'élargissant dans la direction de déplacement (7),
    - en ce que la pièce rapportée (21) comprend deux éléments de couplage avant (55) qui s'éloignent de la plaque rapportée (29) et de la surface à nettoyer (5) et
    - en ce que les éléments de couplage avant (55) de la pièce rapportée (21) s'emboîtent avec des portions d'arêtes latérales (57), opposées entre elles, de la plaque de base (27), les portions d'arêtes latérales (57) entourant l'évidement (53) dans la plaque de base (27).
  13. Machine de nettoyage de sols selon l'une des revendications 7 à 12, caractérisée en ce que chaque élément de couplage avant (55) de la pièce rapportée (21) s'emboîte avec un élément d'appui (59), orienté dans une direction opposée à la surface à nettoyer (5), de la base (19).
  14. Machine de nettoyage de sols selon la revendication 13, caractérisée en ce que les éléments d'appui (59) orientés dans la direction opposée à la surface à nettoyer (5) sont constitués d'éléments en forme de coins (59) qui sont disposés sur la plaque de base (27) et dont l'extension augmente perpendiculairement à la surface à nettoyer (5) à l'encontre de la direction de déplacement (7).
  15. Machine de nettoyage de sols selon l'une des revendications 7 à 14, caractérisée en ce que la pièce rapportée (21) comprend, au niveau d'une portion avant, vue dans la direction de déplacement (7), un clapet à particules grossières (77) s'étendant de la plaque rapportée (29) vers la surface à nettoyer (5), qui peut être pivoté autour d'un axe de clapet (79) s'étendant parallèlement à la surface à nettoyer (5) et perpendiculairement à la direction de déplacement, d'une position fermée à l'encontre de la direction de déplacement (7), vers une position ouverte,
    - en ce que la pièce rapportée (21) comprend une tige de poussée (91) qui est couplée à une extrémité avec le clapet à particules grossières (77), afin de pouvoir pivoter le clapet à particules grossières (77) de la position fermée vers la position ouverte, et qui comprend, au niveau d'une autre extrémité, une surface de poussée (89),
    - en ce que la base (19) comprend un levier de clapet (85) qui est maintenu, de manière pivotante autour d'un axe s'étendant perpendiculairement à la direction de déplacement (7) et parallèlement à la surface à nettoyer (5), sur la base (19) une extrémité libre (87) du levier de clapet (85) pouvant s'appuyer contre la surface de poussée (89) de façon à ce qu'un pivotement du levier de clapet (85) permette de pousser la tige de poussée (91) et de pivoter le clapet à particules grossières (77) vers la position ouverte.
EP14159643.7A 2013-03-13 2014-03-13 Machine de nettoyage du sol dotée d'un dispositif de couplage pour un accessoire Active EP2778288B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013204394.5A DE102013204394A1 (de) 2013-03-13 2013-03-13 Bodenreinigungsmaschine mit einer Kupplungsvorrichtung für ein Anbauteil

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EP2778288A2 EP2778288A2 (fr) 2014-09-17
EP2778288A3 EP2778288A3 (fr) 2015-04-15
EP2778288B1 true EP2778288B1 (fr) 2016-02-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018224153A1 (fr) 2017-06-08 2018-12-13 Alfred Kärcher SE & Co. KG Machine d'aspiration munie d'un système d'embout d'aspiration amovible, système d'embout d'aspiration pour une machine d'aspiration, procédé permettant de fixer un système d'embout d'aspiration amovible à une machine d'aspiration, et procédé permettant de détacher un système d'embout d'aspiration d'une machine d'aspiration

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107532393A (zh) * 2015-03-25 2018-01-02 阿尔弗雷德·凯驰两合公司 扫地机
CN107532394A (zh) * 2015-03-25 2018-01-02 阿尔弗雷德·凯驰两合公司 地面清洁机
HUE062671T2 (hu) * 2019-06-18 2023-11-28 Boschung Marcel Ag Szívógép lekapcsolható szívószájjal

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Publication number Priority date Publication date Assignee Title
DE3535051C2 (de) * 1985-10-01 1994-08-11 Wilhelm Junker Klemmhalter für Rohrpfosten
DE10030725C2 (de) * 2000-06-23 2002-04-25 Hako Gmbh Fahrbares Bodenreinigungsgerät
FR2949795B1 (fr) * 2009-09-09 2011-09-30 Icee Gmbh Conduit d'aspiration muni d'une buse avec une partie amovible pour vehicules de voirie a direction articulee.
DE202010005195U1 (de) * 2010-04-14 2010-06-24 Newfrey Llc, Newark Einrichtung zur Befestigung eines Bauteils an einem Trägerteil
EP2447419B1 (fr) 2010-10-26 2016-06-08 Hako GmbH Machine de nettoyage du sol dotée d'un dispositif d'embrayage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018224153A1 (fr) 2017-06-08 2018-12-13 Alfred Kärcher SE & Co. KG Machine d'aspiration munie d'un système d'embout d'aspiration amovible, système d'embout d'aspiration pour une machine d'aspiration, procédé permettant de fixer un système d'embout d'aspiration amovible à une machine d'aspiration, et procédé permettant de détacher un système d'embout d'aspiration d'une machine d'aspiration

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DE102013204394A1 (de) 2014-09-18
EP2778288A2 (fr) 2014-09-17

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