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EP1076737B1 - Balayeuse - Google Patents

Balayeuse Download PDF

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Publication number
EP1076737B1
EP1076737B1 EP99915570A EP99915570A EP1076737B1 EP 1076737 B1 EP1076737 B1 EP 1076737B1 EP 99915570 A EP99915570 A EP 99915570A EP 99915570 A EP99915570 A EP 99915570A EP 1076737 B1 EP1076737 B1 EP 1076737B1
Authority
EP
European Patent Office
Prior art keywords
brush roller
teeth
grooves
lateral faces
sweeping machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99915570A
Other languages
German (de)
English (en)
Other versions
EP1076737A1 (fr
Inventor
Jürgen Walz
Martin KLÖPFER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP1076737A1 publication Critical patent/EP1076737A1/fr
Application granted granted Critical
Publication of EP1076737B1 publication Critical patent/EP1076737B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
    • E01H1/05—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
    • E01H1/056—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes having horizontal axes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • 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
    • A47L11/22—Floor-sweeping machines, hand-driven
    • 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
    • A47L11/32—Carpet-sweepers
    • 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

Definitions

  • the invention relates to a sweeper with a rotating drivable brush roller on both ends is rotatably mounted in a frame and the one at one end in driving recesses in the brush roller engaging driver which is driven forms the bearing of the brush roller at this end, the brush roller against the action of a spring in axial direction so far against the driver is that the storage of the brush roller on the Driver opposite end so disengaged arrives that the brush roller axially displaced in this way with their opposite the driver End of the storage area by at least the Brush roller radius can be swung out, the Driver is designed as a gear, the teeth for Allowing the swiveling of the brush roller with Intervene in the play recesses, which as axially running, open face grooves in the inner wall a central recording room open on the front the brush roller are formed, the gear receives.
  • NL-A-6408379 is a sweeper at the beginning described type known, in which two diametrically Pins protruding from the drive shaft in longitudinal slots continuous width of one with the brush roller engage the non-rotatably connected receiving sleeve.
  • the invention has for its object a generic Develop sweeper so that at improved torque transmission in normal operation automatic centering of the brush roller is achieved becomes.
  • This task is the beginning of a sweeper described type according to the invention solved in that the width of the grooves in at least one of the open End section adjoining continuously decreases.
  • the larger width of the grooves on the front The end makes it easier to put on the brush roller and that Inserting the teeth into the grooves, through the decreasing In contrast, the width of the grooves becomes one in the operating state permanent positive connection guaranteed.
  • the spring is inside the brush roller is arranged and one hand on the Brush roller and on the other hand supporting the gear Compression spring is. So that the spring is inside the Brush roller added protected so that on this Way the structure of the bearings further simplified can be.
  • the section of decreasing width can be preferred connect a section of constant width.
  • the width of the teeth of the Gear decreases in the direction of the brush roller. This also facilitates the insertion of the teeth into the Grooves.
  • the decreasing width of the grooves on the one hand and the decreasing The width of the teeth on the other hand also leads to that when the gear on the side wall of the Grooves the brush roller with an axial force will that the brush roller towards the effect the spring against the bearing of the brush roller the end opposite the gear. This leads to increased storage security, and at the same time the force of the spring can be reduced, because part of the contact pressure required for safe storage generated by the axial force component is, which is due to the system of the gear on the Side wall of the groove results. Because of the less educated Spring force is the change of the brush roller relieved because the brush roller against a lower Spring force must be moved.
  • the inclination of the side surfaces of the grooves in the section of decreasing width on the one hand and the teeth the gear on the other hand with respect to the longitudinal axis of the grooves is the same.
  • This configuration leads to that the side surfaces of the gears in operation can lay flat against the side surfaces of the grooves, and by the inclination of the contact surfaces in relation to the The longitudinal axis of the grooves results in perfect centering of the gear relative to the brush roller.
  • the side walls the groove is inclined towards the bottom of the groove that the groove from the floor to the receiving space of the brush roller is getting wider.
  • the side walls of the teeth can also face the peripheral surface of the teeth so inclined that the teeth widen from the peripheral surface to the axis of rotation.
  • the inclination the side surfaces of the grooves and teeth substantially is equal to.
  • the inclination of the side surfaces of the grooves and teeth differ slightly in such a way that these side surfaces then stand parallel when the gear is in There is contact with the side surface.
  • the teeth of the Grip gear with play in the grooves, that must Gear wheel opposite the brush roller for manufacturing of a contact slightly from a middle position be turned out, and of course it changes also the orientation of the side surface of the teeth accordingly.
  • the teeth on the side surfaces of the grooves to ensure that no linear Contact occurs, but a flat contact become the side surfaces of the teeth and the grooves corresponding to this small angle of rotation of the gear inclined towards each other, i.e.
  • One tooth is in the middle position in a groove, i.e. with play on both sides the groove, then the side surfaces of the groove and the teeth are slightly inclined towards each other, the tooth lies on the side surface of the corresponding one If you do this, you will have a full-surface system, the side surfaces then run parallel.
  • the sweeper shown in the drawing includes a frame 1 on which a cylindrical brush roller 2 protruding downwards from the frame 1 to their Longitudinal axis is rotatably mounted.
  • the sweeper can so movable on roles not shown in the drawing be that the brush roller 2 with its bristles 3 rests against a floor surface to be cleaned and this when moving the sweeper through its own rotary motion processed.
  • a gear 5 is mounted, which from the rotary bearing 4 protrudes inward in the axial direction into the frame 1 and this via a suitable drive device is driven, for example via a non-rotatable him connected pulley 6, which in turn from a drive belt 7 can be rotated.
  • the gear wheel 5 projects into a cylindrical, central one Receiving space 8 of the brush roller 2, the Teeth 9 of the gear 5 in axially parallel grooves 10 engage the inner wall of the receiving space 8.
  • the recording room 8 is still a coil spring 11, the one hand on the floor 12 of the receiving space 8 of the brush roller 2 and on the other hand on the gear wheel 5 supports such that the brush roller 2 parallel to it Longitudinal axis is pushed away from the gear 5.
  • the pivot bearing 13 itself is one at the free end Swivel lever 17 held parallel to the Bearing pin 14 running pivot axis 18 on frame 1 is stored.
  • the brush roller 2 is on this Side of the frame 1 more or less far from the frame 1 can be pivoted out, as shown in FIG. 2 is. This is particularly so that the brush roller 2 can adapt to unevenness in the floor, but also serves to make changing the brush roller easier 2, as discussed below.
  • the teeth 9 of the gear 5 take in the direction of Brush roller 2 in its width continuously, also takes the width of the teeth 9 from their outer Circumferential surface 19 to the axis of rotation of the gear wheel 5 towards. This results in a double inclination for the flat side surfaces 20 of the teeth 9 ( Figures 4 to 6).
  • the width of the grooves 10 increases in a section 21, which connects to the end face of the brush roller 2, in the direction of the brush roller 2 continuously in a subsequent section 22, however, it remains the same (Figure 6).
  • the Side surfaces 23 of the grooves 10 are opposite the longitudinal center plane of the grooves inclined outwards so that the Width of the grooves 10 from the bottom 24 of the grooves 10 to the receiving space 8 increases. This results in the section 21 of the grooves 10 a double inclination of the side surfaces 23rd

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Brushes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Claims (9)

  1. Balayeuse comportant un rouleau à brosse (2) à entraínement rotatif qui est monté rotatif aux deux extrémités dans un cadre (1) et qui est entraíné par un élément d'entraínement (5) s'engageant à une extrémité dans des évidements d'entraínement (10) ménagés dans le rouleau à brosse (5), lequel élément d'entraínement forme la monture du rouleau à brosse (2) à cette extrémité, le rouleau à brosse (2) pouvant être déplacé à l'encontre de l'effet d'un ressort (11) en direction axiale contre l'élément d'entraínement (5) aussi loin que la monture (13) du rouleau à brosse (2) parvient hors d'engagement à l'extrémité opposée à l'élément d'entraínement (5) de telle sorte que le rouleau à brosse (2) ainsi déplacé axialement peut être pivoté avec son extrémité opposée à l'élément d'entraínement (5) hors de la région de la monture (13) au moins de la valeur du rayon du rouleau à brosse, caractérisée en ce que l'élément d'entraínement est réalisé sous forme de roue dentée (5) dont les dents (9), pour permettre le pivotement du rouleau à brosse (2), s'engagent avec jeu dans les évidements d'entraínement qui sont réalisés sous forme de gorges (10) axiales ouvertes côté frontal dans la paroi intérieure d'un espace de réception (8) central ouvert côté frontal, du rouleau à brosse (2), et recevant la roue dentée (5), et en ce que la largeur des gorges (10) décroít de façon continue au moins dans un tronçon (21) adjacent au côté frontal ouvert.
  2. Balayeuse selon la revendication 1, caractérisée en ce que le ressort (11) est agencé à l'intérieur du rouleau à brosse (2) et en ce qu'il est un ressort de compression prenant appui d'une part sur le rouleau à brosse (2) et d'autre part sur la roue dentée (5).
  3. Balayeuse selon l'une ou l'autre des revendications 1 et 2, caractérisée en ce qu'un tronçon (22) de largeur constante se raccorde au tronçon (21) de largeur décroissante.
  4. Balayeuse selon la revendication 3, caractérisée en ce que la largeur des dents (9) de la roue dentée (5) décroít en direction du rouleau à brosse (2).
  5. Balayeuse selon la revendication 4, caractérisée en ce que l'inclinaison des surfaces latérales (23) des gorges (10) dans le tronçon de largeur (21) décroissante d'une part et l'inclinaison des surfaces latérales (20) des dents (9) de la roue dentée (5) d'autre part, par rapport à l'axe longitudinal des gorges (10), sont égales.
  6. Balayeuse selon l'une des revendications précédentes, caractérisée en ce que les surfaces latérales (23) des gorges (10) sont inclinées par rapport au fond (24) des gorges (10) de telle sorte que la gorge (10) s'élargit depuis le fond (24) vers l'espace de réception (8) du rouleau à brosse (2).
  7. Balayeuse selon la revendication 6, caractérisée en ce que les surfaces latérales (20) des dents (9) sont inclinées par rapport à la surface périphérique (19) des dents (9) de telle sorte que les dents (9) s'élargissent depuis la surface périphérique (19) vers l'axe de rotation.
  8. Balayeuse selon la revendication 7, caractérisée en ce que l'inclinaison des surfaces latérales (23) des gorges (10) et l'inclinaison des surfaces latérales (20) des dents (9) sont sensiblement égales.
  9. Balayeuse selon la revendication 8, caractérisée en ce que les surfaces latérales (20) des dents (9) et les surfaces latérales (23) des gorges (10) sont inclinées si légèrement les unes par rapport aux autres que les surfaces latérales (20) des dents (9) sont parallèles aux surfaces latérales (23) des gorges (10) lorsque les surfaces latérales (23) et les surfaces latérales (20) viennent en contact les unes avec les autres.
EP99915570A 1998-05-08 1999-03-11 Balayeuse Expired - Lifetime EP1076737B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19820628A DE19820628C1 (de) 1998-05-08 1998-05-08 Kehrmaschine
DE19820628 1998-05-08
PCT/EP1999/001576 WO1999058766A1 (fr) 1998-05-08 1999-03-11 Balayeuse

Publications (2)

Publication Number Publication Date
EP1076737A1 EP1076737A1 (fr) 2001-02-21
EP1076737B1 true EP1076737B1 (fr) 2003-06-04

Family

ID=7867108

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99915570A Expired - Lifetime EP1076737B1 (fr) 1998-05-08 1999-03-11 Balayeuse

Country Status (7)

Country Link
US (1) US6324714B1 (fr)
EP (1) EP1076737B1 (fr)
JP (1) JP2002514489A (fr)
AT (1) ATE242364T1 (fr)
DE (1) DE19820628C1 (fr)
DK (1) DK1076737T3 (fr)
WO (1) WO1999058766A1 (fr)

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JP7587628B2 (ja) * 2023-04-25 2024-11-20 東芝ライフスタイル株式会社 吸込口体及び電気掃除機
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US6324714B1 (en) 2001-12-04
EP1076737A1 (fr) 2001-02-21
JP2002514489A (ja) 2002-05-21
ATE242364T1 (de) 2003-06-15
DE19820628C1 (de) 1999-09-23
WO1999058766A1 (fr) 1999-11-18
DK1076737T3 (da) 2003-06-23

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