EP1076737B1 - Kehrmaschine - Google Patents
Kehrmaschine Download PDFInfo
- 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
Links
Images
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
Description
- Figur 1:
- eine Draufsicht auf eine aufgebrochen dargestellte Kehrmaschine mit einer beidseitig gelagerten, über ein einseitig angreifendes Zahnrad angetriebenen Bürstenwalze;
- Figur 2:
- eine Ansicht der Kehrmaschine der Figur 1 in Richtung des Pfeiles A mit gegenüber dem Betriebszustand um 180° gedrehter Kehrmaschine;
- Figur 3:
- eine Schnittansicht längs Linie 3-3 in Figur 2;
- Figur 4:
- eine vergrößerte Längsschnittansicht des Endbereichs der Bürstenwalze der Figuren 1 bis 3 mit einem aus den Mitnahmeöffnungen herausgezogenen Zahnrad;
- Figur 5:
- eine Schnittansicht längs Linie 5-5 in Figur 4 und
- Figur 6:
- eine Schnittansicht längs Linie 6-6 in Figur 5.
Claims (9)
- Kehrmaschine mit einer rotierend antreibbaren Bürstenwalze (2), die an beiden Enden in einem Rahmen (1) drehbar gelagert ist und die über einen an einem Ende in Mitnahmeausnehmungen (10) in der Bürstenwalze eingreifenden Mitnehmer (5) angetrieben wird, welcher die Lagerung der Bürstenwalze (2) an diesem Ende bildet, wobei die Bürstenwalze (2) gegen die Wirkung einer Feder (11) in axialer Richtung so weit gegen den Mitnehmer (5) verschiebbar ist, daß die Lagerung (13) der Bürstenwalze (2) auf dem dem Mitnehmer (5) gegenüberliegenden Ende derart außer Eingriff gelangt, daß die in dieser Weise axial verschobene Bürstenwalze (2) mit ihrem dem Mitnehmer (5) gegenüberliegenden Ende aus dem Bereich der Lagerung (13) um mindestens den Bürstenwalzenradius herausschwenkbar ist, dadurch gekennzeichnet, daß der Mitnehmer als Zahnrad (5) ausgebildet ist, dessen Zähne (9) zur Ermöglichung der Verschwenkung der Bürstenwalze (2) mit Spiel in die Mitnahmeausnehmungen eingreifen, die als axial verlaufende, stirnseitig offene Nuten (10) in der Innenwand eines stirnseitig offenen, zentralen Aufnahmeraums (8) der Bürstenwalze (2) ausgebildet sind, der das Zahnrad (5) aufnimmt, und daß die Breite der Nuten (10) zumindest in einem sich an die offene Stirnseite anschliessenden Abschnitt (21) kontinuierlich abnimmt.
- Kehrmaschine nach Anspruch 1, dadurch gekennzeichnet, daß die Feder (11) im Inneren der Bürstenwalze (2) angeordnet ist und eine sich einerseits an der Bürstenwalze (2) und andererseits an dem Zahnrad (5) abstützende Druckfeder ist.
- Kehrmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß sich an den Abschnitt (21) abnehmender Breite ein Abschnitt (22) mit konstanter Breite anschließt.
- Kehrmaschine nach Anspruch 3, dadurch gekennzeichnet, daß die Breite der Zähne (9) des Zahnrades (5) in Richtung auf die Bürstenwalze (2) abnimmt.
- Kehrmaschine nach Anspruch 4, dadurch gekennzeichnet, daß die Neigung der Seitenflächen (23) der Nuten (10) im Abschnitt abnehmender Breite (21) einerseits und der Seitenflächen (20) der Zähne (9) des Zahnrades (5) andererseits gegenüber der Längsachse der Nuten (10) gleich ist.
- Kehrmaschine nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Seitenflächen (23) der Nuten (10) gegenüber dem Boden (24) der Nuten (10) so geneigt sind, daß die Nut (10) vom Boden (24) zum Aufnahmeraum (8) der Bürstenwalze (2) hin breiter wird.
- Kehrmaschine nach Anspruch 6, dadurch gekennzeichnet, daß die Seitenflächen (20) der Zähne (9) gegenüber der Umfangsfläche (19) der Zähne (9) so geneigt sind, daß die Zähne (9) von der Umfangsfläche (19) zur Drehachse hin breiter werden.
- Kehrmaschine nach Anspruch 7, dadurch gekennzeichnet, daß die Neigung der Seitenflächen (23) der Nuten (10) und der Seitenflächen (20) der Zähne (9) im wesentlichen gleich ist.
- Kehrmaschine nach Anspruch 8, dadurch gekennzeichnet, daß die Seitenflächen (20) der Zähne (9) und die Seitenflächen (23) der Nuten (10) so geringfügig gegeneinander geneigt sind, daß die Seitenflächen (20) der Zähne (9) dann exakt parallel zu den Seitenflächen (23) der Nuten (10) verlaufen, wenn die Seitenflächen (23) und die Seitenflächen (20) in Kontakt miteinander treten.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19820628 | 1998-05-08 | ||
DE19820628A DE19820628C1 (de) | 1998-05-08 | 1998-05-08 | Kehrmaschine |
PCT/EP1999/001576 WO1999058766A1 (de) | 1998-05-08 | 1999-03-11 | Kehrmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1076737A1 EP1076737A1 (de) | 2001-02-21 |
EP1076737B1 true EP1076737B1 (de) | 2003-06-04 |
Family
ID=7867108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99915570A Expired - Lifetime EP1076737B1 (de) | 1998-05-08 | 1999-03-11 | Kehrmaschine |
Country Status (7)
Country | Link |
---|---|
US (1) | US6324714B1 (de) |
EP (1) | EP1076737B1 (de) |
JP (1) | JP2002514489A (de) |
AT (1) | ATE242364T1 (de) |
DE (1) | DE19820628C1 (de) |
DK (1) | DK1076737T3 (de) |
WO (1) | WO1999058766A1 (de) |
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CN110356164A (zh) * | 2018-04-11 | 2019-10-22 | 科沃斯机器人股份有限公司 | 行走轮结构及其装配方法及采用该结构的自移动机器人 |
CN112312812B (zh) | 2018-08-27 | 2023-09-22 | 创科地板护理技术有限公司 | 地面清洁器 |
CN210383784U (zh) * | 2019-01-24 | 2020-04-24 | 北京石头世纪科技股份有限公司 | 一种机器人用刷子、构件及机器人 |
USD983534S1 (en) | 2019-09-18 | 2023-04-18 | Rps Corporation | Brush insert |
JP2023500481A (ja) | 2019-10-31 | 2023-01-06 | テクトロニック コードレス ジーピー | 床クリーナ用のブラシロール |
CN112971603B (zh) * | 2019-12-17 | 2022-01-14 | 宁波方太厨具有限公司 | 可调节粗细的清洁头刷棒 |
US11871886B2 (en) * | 2020-01-15 | 2024-01-16 | Lisa Lloyd | Roller mop assembly |
CN218324139U (zh) * | 2022-09-02 | 2023-01-17 | 深圳市思傲拓科技有限公司 | 一种快速更换清扫辊的泳池清洁机器人 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE551149C (de) * | 1932-05-27 | Friedrich Roemer | Klopfvorrichtung fuer Staubsauger | |
US1613396A (en) * | 1925-04-06 | 1927-01-04 | Sr Julius Keller | Brush gear for vacuum cleaners |
NL6408379A (de) * | 1964-07-22 | 1966-01-24 | ||
FR2071158A5 (de) * | 1969-12-19 | 1971-09-17 | Huglo Michel Ets | |
US3892003A (en) * | 1973-03-16 | 1975-07-01 | Tennant Co | Power floor treating apparatus |
US4307485A (en) * | 1979-09-04 | 1981-12-29 | Black & Decker Inc. | Air-powered vacuum cleaner floor tool |
DE3100372A1 (de) | 1981-01-09 | 1982-08-12 | Leifheit International Günter Leifheit GmbH, 5408 Nassau | "bodenkehrmaschine" |
DE3318604C1 (de) * | 1983-05-21 | 1984-11-29 | Stein & Co GmbH, 5620 Velbert | Schutzvorrichtung fuer Bodenpflegegeraete |
DE3877670T2 (de) * | 1987-09-16 | 1993-08-19 | Matsushita Electric Ind Co Ltd | Staubsauger-fussbodenduese. |
US4914777A (en) * | 1988-09-26 | 1990-04-10 | The Scott Fetzer Company | Vacuum cleaner brush bearing assembly |
-
1998
- 1998-05-08 DE DE19820628A patent/DE19820628C1/de not_active Expired - Lifetime
-
1999
- 1999-03-11 AT AT99915570T patent/ATE242364T1/de not_active IP Right Cessation
- 1999-03-11 DK DK99915570T patent/DK1076737T3/da active
- 1999-03-11 EP EP99915570A patent/EP1076737B1/de not_active Expired - Lifetime
- 1999-03-11 JP JP2000548550A patent/JP2002514489A/ja active Pending
- 1999-03-11 WO PCT/EP1999/001576 patent/WO1999058766A1/de active IP Right Grant
-
2000
- 2000-11-07 US US09/707,748 patent/US6324714B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1076737A1 (de) | 2001-02-21 |
ATE242364T1 (de) | 2003-06-15 |
JP2002514489A (ja) | 2002-05-21 |
DK1076737T3 (da) | 2003-06-23 |
US6324714B1 (en) | 2001-12-04 |
WO1999058766A1 (de) | 1999-11-18 |
DE19820628C1 (de) | 1999-09-23 |
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