EP0912131B1 - Motorangetriebenes bürstengerät - Google Patents
Motorangetriebenes bürstengerät Download PDFInfo
- Publication number
- EP0912131B1 EP0912131B1 EP97918093A EP97918093A EP0912131B1 EP 0912131 B1 EP0912131 B1 EP 0912131B1 EP 97918093 A EP97918093 A EP 97918093A EP 97918093 A EP97918093 A EP 97918093A EP 0912131 B1 EP0912131 B1 EP 0912131B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carry
- shaft
- brush body
- along
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0405—Driving means for the brushes or agitators
- A47L9/0411—Driving means for the brushes or agitators driven by electric motor
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0427—Gearing or transmission means therefor
- A47L9/0444—Gearing or transmission means therefor for conveying motion by endless flexible members, e.g. belts
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
- A47L9/0466—Rotating tools
- A47L9/0477—Rolls
Definitions
- the invention relates to a motor-driven brush device with a drive shaft on which an essentially hollow cylindrical brush body exchangeable is attachable, the drive shaft a driver with one acting essentially in the circumferential direction Carrying element, which with one on the Brush body protruding radially inwards cooperates, the driving element in any case, facing the lead in name Is designed to enlarge the shaft direction Achieving a wedge effect when interacting with the Carriage lead and further the carrier in Forms a contact surface opposite the shaft direction for interaction with an inner support ring of the brush body.
- Such entrainment training for on a drive shaft rotating brush bodies are known, wherein For example, outside of a cylindrical drive shaft thickening Driving elements are provided. This are even across the circumference of the cylindrical Thickening spreads and forms between each other a locking opening.
- the hollow cylindrical Brush body has protruding radially inwards Take-away projections, the number of which is the take-along elements corresponds to the drive shaft.
- the locking holes are approximately open Height of the largest plane, across in a projection width of the driving elements measured in relation to the axial direction educated.
- each driving element forms an end-face contact surface for interaction with an inner support ring of the brush body. Due to the previously mentioned wedge effect Rotation increases the pressure on these contact surfaces.
- the brush body is securely on the Drive shaft supported.
- the investment area is wider formed from the, with the contact surfaces of the driving elements aligned end face of the cylindrical drive shaft thickening.
- the width of the contact surface of the entrainment element - measured in a projection the greatest width of the driving element in Area of a locking opening.
- the invention further relates to a motor-driven Brush device according to the features of the generic term of claim 1.
- a motor-driven Brush device according to the features of the generic term of claim 1.
- the brush body for removal of the same captured and rotated slightly on the drive shaft in such a way that the brush body-side projection the sloping edges of the wedge effect Take away elements and then the between the locking openings formed the driving elements find. In this position, the brush body be subtracted in the easiest way in the axial direction.
- Frictional forces are reduced because the driving elements, such as already mentioned, not or only partially in the contact area are involved.
- each driving element has on both sides its longitudinal axis has an inclined guide surface on.
- These guide surfaces are preferred in the head area, d. H. in the intersection of the two surfaces, rounded.
- the apex of this rounding lies at the level of the contact surface of the cylindrical Drive shaft thickening, with which this apex area likewise forms a contact surface, which, however in comparison to the described prior art is small.
- This rounding will find the locking holes further facilitated by the take-away projections. To meet the latter on the head radius, so they slide under light pressure from this onto the adjacent guide surface.
- Training is preferred at which the driving element is approximately symmetrical to one perpendicular to the shaft axis, with respect to the Driving element central plane is formed. On both sides of this central plane of the driving element sloping flanks are provided.
- the driving element is therefore - approximately roof-like starting from the area of the central plane shaped to form the parallel on both sides to the shaft axis extending longitudinal axis of the driving element arranged inclined flanks.
- the these sloping flanks opposite with respect to the center plane of the driving element Sloping flanks serve as insertion aids for the take-away advantages when the Brush body.
- those pointing in the axial direction can Top areas more or less rounded his.
- approximately across Axis-pointing tips of the diamond-shaped or beveled quadratic plan such that Locking opening walls running parallel in the axial direction are formed.
- a motor-driven brush device 1 which in the embodiment shown as an attachment is designed for a vacuum cleaner.
- the brush device 1 essentially consists of a housing 2 and a pipe connection piece 3 together.
- a suction channel 4 from the pipe connection piece 3 going out into a suction chamber 5.
- the latter is located in a front area, which faces away from the pipe connection piece 3 and extends almost over the entire width of the housing (see Fig. 2).
- the toothed belt drive or the belt housing 9 extends starting approximately from the center of the suction chamber 5 perpendicular to the drive shaft 8. On that of the drive shaft 8 associated end engages the toothed belt 7, at least within a gear housing 10 a drive pulley 11, of which the two-part on both sides Drive shaft 8 goes out. The latter extends starting from the drive pulley 11 to a lateral end area of the suction space 5.
- Each drive shaft 8 is approximately in the middle of its longitudinal extent a driver 12.
- the brush device 1 is in a bottom view shown, the bottom 13 in the area of the suction chamber 5 of the brush device 1 is partially broken open. It is to recognize that on the side facing away from the suction chamber 5 Side, d. H. at the level of the pipe connection piece 3, two Rollers 14 are arranged on the bottom.
- the brush device 1 is for use as more common Attachment for an electric vacuum cleaner to maintain Carpets, especially for vacuuming the like, equipped with brush bodies 16.
- This brush body 16 are shown in dash-dot lines in FIG.
- Each brush body 16 is designed as a hollow body and is arranged on the outside with two offset by 180 ° Bristle rows 17, which differ from starting from an end region of the brush body 16 extend approximately 180 ° in a spiral around the latter.
- the brush bodies 16 are on the drive shafts 8 inserted and extend in the installed state starting from the gear housing 10 into the End area of the suction chamber 5.
- the power transmission from the drive shaft 8 takes place on the brush body 16 via the driver 12 of the drive shaft 8.
- the driver 12 of the drive shaft 8 is in FIG. 4 to 7 shown in more detail.
- the driver 12 is essentially from a cylindrical sleeve 18 with the outside of the jacket arranged driving elements 19 is composed.
- Three driving elements 19 are provided, which are evenly distributed over the circumference of the sleeve 18th are connected to the same material.
- the driving elements 19 are essentially plate-like formed and point in a projection into a Level an essentially square plan, with two opposite corner areas of this approximate square plan parallel to Shaft axis x are aligned (see FIG. 5). Therefore is each driving element 19 in one 5 based on the end faces 20 and 21 of the sleeve 18 is rotated approximately 45 °, with which Form sloping flanks on the driving element side.
- the the oblique flanks facing the end face 20 serve as Transfer areas 22.
- the peak area between these two transmission surfaces 22 is slightly rounded, with the apex of this curve level with the end face 20 of the sleeve 18 closes.
- each driver element 19 is approximately symmetrical a perpendicular to the shaft axis x, with respect to of the driving element 19 in the central plane E.
- the opposite of the transfer surfaces 22 Sloping flanks are related to the central plane E formed as guide surfaces 23.
- the Corner area between these guide surfaces 23 strong rounded to form a frontal curvature surface 23 ', the apex of which is level with the end face 21 of the sleeve 18 is positioned.
- the areas of the Driving element 19 are truncated to form rectilinear guide surfaces 24 which are parallel to Shaft axis x are aligned.
- each driver element 19 -measured transversely to the shaft axis x- is such that 19 locking openings between the driving elements 26 remain to pass through on the brush body 16 radially inward projecting driving projections 26.
- Starting from the area between two Guide surfaces 24 of two driving elements 19 opens the locking opening 25 towards the End face 21 of the sleeve 19, due to the Arrangement of the inclined guide surfaces 23.
- the essentially hollow cylindrical brush body 16 already points to the coupling with the drive shaft 8 mentioned inward projecting take-away projections 26 on.
- With an axial distance to these driving projections 26 is also on the inside of the brush body 16 a support ring 27 is arranged, the distance between the driving projections 26 and the support ring 27 corresponds approximately to the axial length of the sleeve 18.
- the radial extent of the driving projections 26 is so chosen that a coaxial, in cross section essentially circular free space remains, its diameter essentially the outer diameter of the sleeve 18 below Disregarding the driver elements 19 corresponds.
- the further displacement of the brush body 16 takes place until the support ring 27 strikes the end face 21 of the sleeve 18.
- the end face 21 forms here a contact surface 29.
- the contact surface 29 of the sleeve 18 is slightly enlarged due to the level at the same level Vertex area 23 'of the driving elements 19 between their guide surfaces 23.
- the dimensions of the driving elements 19 are chosen so that the transition area from one guide surface 23 to the other opposite the Contact surface 29 of the sleeve 18 is arranged set back is.
- the contact surface is due to this measure 29 kept as small as possible, but with undiminished Operational safety, d. H. with undiminished Pressure transfer to the support ring 27 with a wedge effect in the area of the transmission surfaces 22.
- the configuration according to the invention means that Given advantage that the brush body 16 from each coming through under any pressure introduced the user into the locking openings 25 can be.
- the driving projections 26 are here inevitably by the guide surfaces 23 in brought the right situation. This is the handling simplified when changing brushes.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
- Brushes (AREA)
- Lens Barrels (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
- Massaging Devices (AREA)
- Dry Shavers And Clippers (AREA)
- Power Steering Mechanism (AREA)
Description
- Fig. 1
- ein erfindungsgemäßes motorangetriebenes Bürstengerät in einer perspektivischen Darstellung;
- Fig. 2
- das Bürstengerät in einer Unteransicht, bei partiell aufgebrochenem Bodenblech und bei in strichpunktierter Linienart wiedergegebenen, eingesetzten Bürstenkörpern;
- Fig. 3
- eine perspektivische Einzeldarstellung eines Bürstenkörpers;
- Fig. 4
- einen Querschnitt durch eine Antriebswelle des Bürstengerätes, mit Blickrichtung auf Einweiserflächen von auf einer zylindrischen Verdikkung der Antriebswelle angeordneten Mitnahmeelementen, in einer stark vergrößerten Darstellung;
- Fig. 5
- eine Draufsicht zu Fig. 4;
- Fig. 6
- eine Unteransicht zu Fig. 4;
- Fig. 7
- eine perspektivische Darstellung des Antriebswellenbereiches gemäß Fig. 4;
- Fig. 8
- eine Ausschnittsdarstellung des Kupplungsbereiches zwischen Antriebswelle und Bürstenkörper, bei geschnittener Darstellung des Bürstenkörpers;
- Fig. 9
- den Schnitt gemäß der Linie IX-IX in Fig. 8, jedoch unter Fortlassung von Antriebswelle und Mitnahmeelementen;
- Fig. 10
- eine der Fig. 9 entsprechende Darstellung, jedoch in auf die Antriebswelle aufgestecktem Zustand des Bürstenkörpers;
- Fig. 11
- eine der Fig. 10 entsprechende Darstellung, jedoch nach einem Verdrehen des Bürstenkörpers in eine kraftschlüssige Verriegelungs- bzw. Mitnahmestellung.
Claims (5)
- Motorangetriebenes Bürstengerät (1) mit einer Antriebswelle (8), auf welcher ein im wesentlichen hohlzylindrischer Bürstenkörper (16) auswechselbar aufsteckbar ist, wobei die Antriebswelle (8) einen Mitnehmer (12) mit einem im wesentlichen in Umfangsrichtung wirkenden Mitnahmeelement (19) aufweist, welches mit einem an dem Bürstenkörper (16) radial nach innen vorspringenden Mitnahmevorsprung (26) zusammenwirkt, wobei das Mitnahmeelement (19) jedenfalls zugewandt zu dem Mitnamevorsprung (26) sich in Wellenrichtung vergrößernd ausgebildet ist, zur Erzielung einer Keilwirkung bei Zusammenwirkung mit dem Mitnahmevorsprung (26) und wobei weiter der Mitnehmer (12) in Wellenrichtung gegenüberliegend eine Anlagefläche (29) ausbildet zur Zusammenwirkung mit einem inneren Stützring (27) des Bürstenkörpers (16), dadurch gekennzeichnet, dass das Mitnahmeelement (19) in die Anlagefläche (29) nicht einbezogen ist, jedoch, zugeordnet einer Ebene der Anlagefläche (29), eine Einweiserfläche (23) ausbildet, welche, in Wellenrichtung gesehen, von der Anlagefläche (29) zurückweicht.
- Motorangetriebenes Bürstengerät (1) nach den Merkmalen des Oberbegriffes des Anspruchs 1, dadurch gekennzeichnet, dass das Mitnahmeelement (19) einen Teil der Anlagefläche (29) bildet, jedoch, ausgehend von einer Ebene der Anlagefläche (29), eine Einweiserfläche (23) ausbildet, welche, in Wellenrichtung gesehen, von der Anlagefläche (29) ausgehend zurückweicht.
- Motorangetriebenes Bürstengerät nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anlagefläche (29) vergleichsweise klein ausgebildet ist und in die in Wellenrichtung zurückweichende Einweiserfläche (23) übergeht.
- Motorangetriebenes Bürstengerät nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Mitnahmeelement (19) etwa symmetrisch zu einer senkrecht zur Wellenachse (x) verlaufenden, bezüglich des Mitnahmeelementes (19) mittigen Ebene (E) ausgebildet ist.
- Motorangetriebenes Bürstengerät nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Mitnahmeelement (19) in einer Projektion in eine Ebene einen im wesentlichen rautenförmigen oder quadratischen Grundriß aufweist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19621301 | 1996-05-28 | ||
DE19621301A DE19621301A1 (de) | 1996-05-28 | 1996-05-28 | Motorangetriebenes Bürstengerät |
PCT/EP1997/001636 WO1997045052A1 (de) | 1996-05-28 | 1997-04-01 | Motorangetriebenes bürstengerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0912131A1 EP0912131A1 (de) | 1999-05-06 |
EP0912131B1 true EP0912131B1 (de) | 2001-11-07 |
Family
ID=7795442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97918093A Expired - Lifetime EP0912131B1 (de) | 1996-05-28 | 1997-04-01 | Motorangetriebenes bürstengerät |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0912131B1 (de) |
AT (1) | ATE208159T1 (de) |
DE (2) | DE19621301A1 (de) |
DK (1) | DK0912131T3 (de) |
ES (1) | ES2163145T3 (de) |
PT (1) | PT912131E (de) |
WO (1) | WO1997045052A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007006654A1 (de) | 2007-02-10 | 2008-08-14 | Vorwerk & Co. Interholding Gmbh | Bürste, insbesondere Bürste zur Anordnung in einem Vorsatzgerät |
DE102010060373A1 (de) | 2010-11-05 | 2012-05-10 | Vorwerk & Co. Interholding Gmbh | Auswechselbarer Bürstenkörper, Paar von auswechselbaren Bürstenkörpern sowie motorangetriebenes Bürstengerät |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1449474A1 (de) * | 2003-02-22 | 2004-08-25 | Vorwerk & Co. Interholding GmbH | In einer Teppichkehrmaschine angeordnete Bürstenwalze sowie Kupplung eines Antriebsteils mit einem Abtriebsteil |
DE102006058401A1 (de) * | 2006-12-12 | 2008-06-19 | Vorwerk & Co. Interholding Gmbh | Bürste, insbesondere Bürste zur Anordnung in einem Staubsauger-Vorsatzgerät |
JP6047824B2 (ja) * | 2012-08-13 | 2016-12-21 | ダイソン テクノロジー リミテッド | 掃除機ヘッド |
GB2504943B (en) * | 2012-08-13 | 2014-11-19 | Dyson Technology Ltd | Cleaner head with agitator and drive assembly |
GB2504941B (en) * | 2012-08-13 | 2014-11-19 | Dyson Technology Ltd | Cleaner head with agitator and drive assembly |
GB2504942B (en) * | 2012-08-13 | 2014-11-19 | Dyson Technology Ltd | Cleaner head with agitator and drive assembly |
DE102015111513A1 (de) | 2015-07-16 | 2017-01-19 | Vorwerk & Co. Interholding Gmbh | Reinigungsgerät mit einer rotierbar gelagerten Reinigungswalze |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB842668A (en) * | 1958-01-01 | 1960-07-27 | Glenhose Ltd | Fitment for vacuum cleaners for applying the same to use for different purposes |
DE8033970U1 (de) * | 1980-12-20 | 1981-05-27 | Vorwerk & Co Interholding Gmbh, 5600 Wuppertal | Steckvorrichtung zur halterung von bearbeitungswalzen |
US4391548A (en) * | 1981-01-15 | 1983-07-05 | Malish Terrance J | Coupling device for floor maintenance machines |
DE3114753A1 (de) * | 1981-04-11 | 1982-10-28 | Vorwerk & Co Interholding Gmbh, 5600 Wuppertal | Teppich-pflegegeraet |
FR2673691A1 (fr) * | 1991-03-05 | 1992-09-11 | Europ Agence Spatiale | Dispositif d'accouplement mecanique separable. |
-
1996
- 1996-05-28 DE DE19621301A patent/DE19621301A1/de not_active Withdrawn
-
1997
- 1997-04-01 AT AT97918093T patent/ATE208159T1/de not_active IP Right Cessation
- 1997-04-01 ES ES97918093T patent/ES2163145T3/es not_active Expired - Lifetime
- 1997-04-01 DE DE59705286T patent/DE59705286D1/de not_active Expired - Fee Related
- 1997-04-01 EP EP97918093A patent/EP0912131B1/de not_active Expired - Lifetime
- 1997-04-01 WO PCT/EP1997/001636 patent/WO1997045052A1/de active IP Right Grant
- 1997-04-01 PT PT97918093T patent/PT912131E/pt unknown
- 1997-04-01 DK DK97918093T patent/DK0912131T3/da active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007006654A1 (de) | 2007-02-10 | 2008-08-14 | Vorwerk & Co. Interholding Gmbh | Bürste, insbesondere Bürste zur Anordnung in einem Vorsatzgerät |
DE102010060373A1 (de) | 2010-11-05 | 2012-05-10 | Vorwerk & Co. Interholding Gmbh | Auswechselbarer Bürstenkörper, Paar von auswechselbaren Bürstenkörpern sowie motorangetriebenes Bürstengerät |
Also Published As
Publication number | Publication date |
---|---|
ES2163145T3 (es) | 2002-01-16 |
WO1997045052A1 (de) | 1997-12-04 |
PT912131E (pt) | 2002-05-31 |
DE19621301A1 (de) | 1997-12-04 |
DK0912131T3 (da) | 2002-03-04 |
ATE208159T1 (de) | 2001-11-15 |
DE59705286D1 (de) | 2001-12-13 |
EP0912131A1 (de) | 1999-05-06 |
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