EP0526694B1 - Aktive Staubsaugerdüse - Google Patents
Aktive Staubsaugerdüse Download PDFInfo
- Publication number
- EP0526694B1 EP0526694B1 EP92105922A EP92105922A EP0526694B1 EP 0526694 B1 EP0526694 B1 EP 0526694B1 EP 92105922 A EP92105922 A EP 92105922A EP 92105922 A EP92105922 A EP 92105922A EP 0526694 B1 EP0526694 B1 EP 0526694B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- locking
- housing
- suction pipe
- vacuum cleaner
- 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
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000007373 indentation Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
Definitions
- the invention relates to an active vacuum cleaner nozzle in Preamble of claim 1 Art.
- the present invention relates specifically a vacuum cleaner nozzle with an additional, driven brush roller.
- Active vacuum cleaner nozzles of this type must be used for comfort the discomfort of an improved cleaning effect maintenance of the nozzle.
- the nozzle's absorption capacity does not only reach the finest Dust particles, but also coarser particles, threads and matted Fibers in the nozzle, especially in the brush area and, particularly in the case of turbine drives, also in the turbine area to impair the free rotation of the Can roll or the turbine wheels.
- This vacuum cleaner nozzle is admittedly lightweight Maintenance of the interior of the housing is quite satisfactory; however is an unwanted unlocking and thus opening of the nozzle housing not under all conditions, especially not when carrying the entire vacuum cleaner with suction pipe and nozzle, reliably avoiding the nozzle being lifted off the floor.
- a generic active vacuum cleaner nozzle with a two-part housing is also known from EP-A-61826.
- an active vacuum cleaner nozzle of the entry to create the kind mentioned, which besides a comfortable, user-friendly maintenance and accessibility of the whole
- the interior of the nozzle is absolutely secure of the housing and thus reliable protection against unwanted Open offers.
- the active vacuum cleaner nozzle according to the present invention has a two-part housing in which at least one Brush roller, a drive and a gearbox, the torque transmits the drive to the brush roller, are arranged.
- the drive can be both electric and pneumatic, for example by a turbine wheel known per se, which is driven by the suction air of the vacuum cleaner, respectively.
- Gear means in the sense of the present invention usually, but by no means exclusively, one Timing belt drive.
- the upper housing part is opposite Lower housing part between an access to the interior of the housing allowing first position and a lockable, the second position closing the housing pivotable stored, the pivot axis at least parallel runs to the axis of rotation of the brush roller, but preferably coincides with this.
- Especially in the last embodiment provides optimal access to the interior of the housing enables all of its functional elements.
- the gap between the two housing parts extends according to the present invention at least into the range of the intake manifold connection.
- “At least” means that in extreme cases, the intake manifold connection through the division joint can also be completely axially divided. With others Words, part remains when the nozzle housing is opened of the intake manifold connection piece on the upper part of the housing and the second Part of the intake manifold connector on the lower part of the housing.
- On the Intake manifold connection piece is an axial locking sleeve, i.e. in the longitudinal direction of the intake manifold connection, movable arranged, the displaceability at least between a first position allowing the opening of the housing and a locking position must be ensured.
- the locking position is characterized in that the Locking sleeve in this position both areas of the intake manifold connection piece, i.e. both the area on the upper part of the housing and also encompasses the area on the lower housing part and thus preventing the housing from opening.
- the housing has at least one of the two housing parts a first in the area of the intake manifold connection Locking element that in the closed position with a complementary second locking element of the locking sleeve can be brought into releasable engagement.
- Locking elements can be on the top or bottom of the housing or else arranged on both housing parts be.
- the intake manifold connection piece overall essentially cylindrical.
- the parting line over the entire axial length of the intake manifold connection piece run.
- the dividing line preferably runs in such a way that that only the axially inner, that is from the intake manifold side End of the intake manifold connection the parting line is divided such that a substantially cylindrical half-shell-like area of the intake manifold connection piece arises, which connects to the first of the two housing parts, for example, is molded onto the upper housing part, while the remaining part of the intake manifold connection part of the second Housing part, here for example the lower housing part is.
- the first locking element preferably as a resilient locking tongue on the cylinder half-shell Area of the first housing part, the, or their restricted area, in a recess of the Locking sleeve can be brought into releasable engagement.
- the Recess of the locking sleeve is the second to first locking element complementary locking element represents.
- the latching tongue can be easily done by two slit-like Incisions in the intake pipe-side end of the cylinder half-shell-like Area are formed; the real thing Locking element is formed by a locking button on the projecting free end of the latching tongue radially outward is arranged.
- the recess receiving the locking button of the locking spring tongue the locking sleeve can in any way be designed as long as the locking effect is reliable is secured.
- this recess is preferably as extending in the circumferential direction circular arc-shaped slot-like Sleeve slot formed, which on the one hand the Locking action in the axial direction and thus the locking action reliable against pulling down the locking sleeve is secured and on the other hand a limited rotation of the Locking sleeve on the intake manifold connection allows becomes.
- the rotatability is dependent on one angle limited by the length of the sleeve slot.
- a such rotatability of the locking sleeve relative to the Intake pipe connection piece and thus opposite the vacuum cleaner nozzle is particularly advantageous if the locking sleeve in addition to their locking effect at the same time Connection of the nozzle to the suction pipe of a vacuum cleaner serves as then the locking sleeve as a known hinge acts that improves the manageability of the vacuum cleaner.
- the second housing part that is, the housing part that is not a locking element has, essentially on the intake manifold side Arranged end of the intake manifold connection Stop element on that in a substantially direction of the intake manifold connector extending second slot-like Sleeve slot of the locking sleeve engages.
- Stop element and second slot-like sleeve slot are preferably, but by no means exclusively, the locking element, for example the detent spring, in substantially diametrically opposite.
- the second sleeve slot is an axial guide Locking sleeve on the intake manifold connection allows the length of this sleeve slot being the axial displacement the locking sleeve after approval by resilient locking tongue limited.
- the stop element acts together with the second sleeve slot Protection against inadvertent sliding down the Locking sleeve from the intake manifold connection piece.
- the locking sleeve preferably has a third slot-like circular arc in the circumferential direction Sleeve slot in the locking sleeve on the with the second sleeve slot is connected T-shaped, its Length at least the length of the first sleeve slot, with the resilient locking tongue cooperates corresponds. It is the position of the T-shaped slot pair in the Locking sleeve or the position of the stop element so too choose that the intersection of the two T-shaped arranged Sleeve slots in the closed position, i.e. when locked Latching spring lies at the axial height of the stop element.
- the stop element acts on second housing part as security against an unwanted Falling or pulling off the locking sleeve from the intake manifold connection piece.
- the locking sleeve in its inner wall a closed radially outward substantially axially parallel to the second sleeve slot running groove.
- This groove runs from the third Sleeve slot to the nozzle end of the sleeve and opens there. In other words, this groove is continuous Connection between the third sleeve slot and the environment forth.
- the stop element has in this embodiment a radial height that is at least slightly lower than the radial depth of the groove. The width of the groove is included of course to choose so that the stop element at least slide with little lateral play in the groove can.
- Removing the locking sleeve from the intake manifold connection piece happens in the following way: First the Locking button actuated and thus gives the recess the locking sleeve free. This will move the Locking sleeve allows in the axial direction, the Locking sleeve with the second axially extending sleeve slot slides along the stop element. The axial Shift takes place up to the stop of the stop element at the end of the second sleeve slot, being in this Position of the intake manifold area of the locking element having released housing part and opening the Housing is made possible. After opening the locking sleeve again axially shifted towards the nozzle body until the stop element with the third circumferentially extending Sleeve slot comes into engagement.
- the locking sleeve itself can be in the simplest way single-walled, embracing the intake manifold connection outside Be sleeve formed.
- the Inner diameter of the intake manifold connection to the outer diameter of the suction pipe onto which the vacuum cleaner nozzle is attached should correspond.
- the invention is the locking sleeve as double-walled sleeve formed, the clear inner diameter essentially the outer diameter of the to be connected Suction pipe corresponds, the wall of the suction pipe connection piece inside of the inside wall and outside of the Outer wall of the locking sleeve with little radial play is encompassed and the sleeve slots and / or the groove in the Sleeve outer wall are provided.
- the active vacuum cleaner nozzle has one two-part housing, consisting of a lower housing part 1 and an upper housing part 2.
- a drive 3 in the housing in the form of a turbine wheel shown only schematically, a gear 4 in the form of a pinion 4 and a Brush roller 5 arranged.
- the upper housing part 2 is opposite the lower housing part 1 about the axis of rotation 6 of the brush roller 5 between a closed position and the one shown here Open position swiveling.
- Manifold connection piece 8,9,10 formed in one piece, the Intake manifold connection 8,9,10 through the division joint 7 between upper housing part 2 and lower housing part 3 in two Areas is separated.
- the intake manifold connection 8,9,10 overall has a cylindrical shape in cross section on.
- a cylinder half-shell-like area 8 of the intake manifold connection piece 8,9,10 is part of the upper housing part 2; of the remaining area of the intake manifold connector 8,9,10 is part of the lower housing part 1 and consists of an axially inner cylindrical half-shell-like area 9, in the closed position with the cylinder half-shell-like area 8 of the upper housing part 1 again to an overall cylindrical closed Area is supplemented, and an axially outer cylindrical circular closed area 10.
- the cylindrical half-shell-like area 8 of the upper housing part 2 has a locking element in the form of a resilient locking tongue 11 on its radial outside on its free end a radially projecting locking button 12 carries.
- the resilient locking tongue 11 is the simplest Way by two extending in the axial direction slot-like incisions in the intake pipe-side end of the cylinder half-shell Area 8 formed.
- the spring action the locking tongue 11 is carried out by the elastic restoring force of the material of the housing parts 1, 2, which are preferably made of Plastic.
- This locking sleeve 13 can be between the open position, as shown in Fig. 1, and the Locked position, as can be seen, for example, from FIG. 2, in the axial direction on the intake manifold connection piece 8,9,10 shift.
- the locking sleeve 13 has a recess in the form of a extending in the circumferential direction circular arc-shaped slot-like Sleeve slot 14 on.
- the width of this sleeve slot 14 corresponds essentially to the diameter the locking button 12.
- the lower housing part 1, as best seen in the illustration 3 can be seen at the intake pipe end of Intake manifold connector 8,9,10 a stop element in the form a radially projecting pin 15.
- the pin 15 stands with two T-shaped sleeve slots 16 and 17 the locking sleeve 13 in engagement.
- the arc length of the Sleeve slot 17 is dimensioned at least as the arc length of the first sleeve slot 14 to the rotatability the locking sleeve 13 not to hinder.
- the length of the sleeve slot 16 is to be chosen in any case that in the End position both the release of the resilient locking tongue 11 as also the cylinder half-shell-like area 8 of the intake manifold connection piece the top of the housing 2.
- the locking sleeve is located after unlocking the housing on the intake manifold connection in the in Fig. 1st shown position. In this position there is a twisting of the Locking sleeve due to the axially extending sleeve slot 16 not possible.
- the locking sleeve 13 can be axially move inward to a position approximately equal to the Locking position corresponds; this position is through the axial striking of the pin 15 on the axially outer Longitudinal wall 18 of the sleeve slot 17 causes. In this Position can now be the locking sleeve 13 by one Angle corresponding to the arc length of the sleeve slot 17, twist.
- the locking sleeve 13 has one in its inner wall radially closed outside essentially parallel to the sleeve slot 16 extending groove 19 on, as in the illustration Fig. 3 is indicated by dashed lines.
- the groove 19 stands with its axially outer end with the sleeve slot 17 in connection and ends at its axially opposite end nozzle-side end 20 of the locking sleeve 13.
- the height of the Pin 15 and the radial depth of the groove 19 are so matched that the pin 15 in without hindrance the groove 19 is movable.
- the locking sleeve 13 By turning the locking sleeve 13 with the housing open, the locking sleeve can now 13 with respect to the pin 15 in one position bring in which the locking sleeve 13 from the intake manifold 8,9,10 can be deducted completely. There pulling off a conscious rotation of the locking sleeve assumes that accidental sliding is so good how excluded.
- the locking sleeve 13 as a double-walled sleeve an inner wall 21 and an outer wall 22 are formed.
- the locking sleeve 13 is plugged onto the intake manifold connection piece 8,9,10, the wall of the intake manifold connection inside from the inner wall 21 and outside from the outer wall 22 of the locking sleeve 13 is encompassed with little radial play.
- the inside diameter d of the locking sleeve 13 corresponds essentially the outer diameter of the not shown suction pipe of a vacuum cleaner to which the vacuum cleaner nozzle to be connected.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
- Electric Vacuum Cleaner (AREA)
- Jet Pumps And Other Pumps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
- Fig. 1
- in schematischer Seitenansicht ein Ausführungsbeispiel einer Staubsaugerdüse in den Zugang zum Innenraum ermöglichender aufgeklappter Stellung;
- Fig. 2
- ebenfalls in schematischer Seitenansicht das Ausführungsbeispiel nach Fig. 1 in geschlossener und verriegelter Stellung;
- Fig. 3
- in Ansicht von unten das Ausführungsbeispiel nach Fig. 2;
- Fig. 4
- in Aufsicht von oben die Verriegelunghülse gemäß vorstehendem Ausführungsbeispiel; und
- Fig. 5
- im Axialschnitt die doppelwandige Verriegelungshülse gemäß vorstehendem Ausführungsbeispiel.
Claims (9)
- Aktive Staubsaugerdüse mit einem einen Saugrohranschlußstutzen aufweisenden zweiteiligen Gehäuse, in dem mindestens eine Bürstenwalze, ein Antrieb und ein Getriebe, das das Drehmoment des Antriebs auf die Bürstenwalze überträgt, angeordnet sind, wobei das Gehäuseoberteil gegenüber dem Gehäuseunterteil um die Drehachse der Bürstenwalze oder eine dazu parallele Achse zwischen einer den Zugang zum Gehäuseinnenraum erlaubenden ersten Stellung und einer verriegelbaren, das Gehäuse verschließenden zweiten Stellung verschwenkbar ist,
dadurch gekennzeichnet,
daß die Teilungsfuge (7) zwischen beiden Gehäuseteilen (1,2) sich zumindest bis in den Bereich des Saugrohranschlußstutzens (8,9,10) erstreckt und eine den Saugrohranschlußstutzen (8,9,10) im wesentlichen umgreifende Verriegelungshülse (13) zwischen einer die Öffnung des Gehäuses ermöglichenden Stellung und einer Verriegelungsstellung axial verschiebbar auf dem Saugrohranschlußstutzen (8,9,10) angeordnet ist, wobei zumindest eines der beiden Gehäuseteile (2) im Bereich des Saugrohranschlußstutzens (8) ein erstes Verriegelungselement (11,12) aufweist, das in der Schließstellung des Gehäuses mit einem dazu komplementären zweiten Verriegelungselement (14) der Verriegelungshülse (13) in lösbaren Eingriff bringbar ist. - Staubsaugerdüse nach Anspruch 1,
dadurch gekennzeichnet,
daß der Saugrohranschlußstutzen (8,9,10) insgesamt im wesentlichen zylindrisch ist, wobei zumindest der nach axial innen weisende düsenseitige Bereich des Saugrohranschlußstutzens (8,9,10) durch die Teilungsfuge (7) des Gehäuses derart geteilt ist, daß ein im wesentlichen zylinderhalbschalenartiger Bereich (8) an das erste der beiden Gehäuseteile (2) angeformt ist, während der übrige Teil (9,10) des Saugrohranschlußstutzens Teil des zweiten Gehäuseteils (1) ist. - Staubsaugerdüse nach Anspruch 2,
dadurch gekennzeichnet,
daß das Verriegelungselement (11,12) als federnde Rastzunge (11) am zylinderhalbschalenartigen Bereich (8) des ersten Gehäuseteils (2) ausgebildet ist, die in eine Ausnehmung (14) der Verriegelunghülse (13) in lösbaren Eingriff bringbar ist. - Staubsaugerdüse nach Anspruch 3,
dadurch gekennzeichnet,
daß die Rastzunge (11) durch zwei schlitzartige Einschnitte im saugrohrseitigen Ende des zylinderhalbschalenartigen Bereichs (8) gebildet wird und auf ihrem freien Ende einen radial nach aussen vorspringenden Rastknopf (12) trägt. - Staubsaugerdüse nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die den Rastknopf (12) der Rastfederzunge (11) aufnehmende Ausnehmung der Verriegelungshülse (13) als sich in Umfangsrichtung erstreckender kreisbogenförmiger langlochartiger Hülsenschlitz (14) ausgebildet ist, wodurch insgesamt die Verriegelungshülse (13) um einen in Abhängigkeit von der Länge des Hülsenschlitzes (14) begrenzten Winkel verdrehbar auf dem Saugrohranschlußstutzen (8,9,10) angeordnet ist. - Staubsaugerdüse nach einem der Ansprüche 1 bis 5,
gekennzeichnet durch
ein Anschlagelement (15) im wesentlichen am saugrohrseitigen Ende des Saugrohranschlußstutzens (8,9,10) am zweiten Gehäuseteil (1), das in einen im wesentlichen in Richtung des Saugrohranschlußstutzens (8,9,10) verlaufenden zweiten langlochartigen Hülsenschlitz (16) der Verriegelungshülse (13) eingreift, wobei die Länge dieses Hülsenschlitzes (16) die Axialverschiebbarkeit der Verriegelungshülse (13) nach Freigabe durch die federnde Rastzunge (11) begrenzt. - Staubsaugerdüse nach einem der Ansprüche 1 bis 6,
gekennzeichnet durch
durch einen dritten langlochartigen kreisbogenförmig in Umfangsrichtung verlaufenden Hülsenschlitz (17) in der Verriegelungshülse (13), der mit dem zweiten Hülsenschlitz (16) T-förmig verbunden ist und dessen Länge zumindest der Länge des ersten Hülsenschlitzes (14) entspricht. - Staubsaugerdüse nach einem der Ansprüche 1 bis 7,
gekennzeichnet durch
eine nach radial aussen geschlossene im wesentlichen parallel zum zweiten Hülsenschlitz (16) axial verlaufende Nut (19) in der Innenwand der Verriegelungshülse (13), die von einem Ende des dritten Hülsenschlitzes (17) zum düsenseitigen Ende (20) der Verriegelungshülse (13) verläuft und dort mündet, wobei das Anschlagelement (15) eine radiale Höhe aufweist, die zumindest geringfügig geringer ist als die radiale Tiefe der Nut (19). - Staubsaugerdüse nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet,
daß die Verriegelungshülse (13) als doppelwandige Hülse ausgebildet ist, deren lichter Innendurchmesser (d) im wesentlichen dem Aussendurchmesser des anzuschließenden Saugrohres entspricht, wobei die Wand des Saugrohranschlußstutzen (8,9,10) innen von der Innenwand (21) und aussen von der Aussenwand (22) der Verriegelungshülse (13) mit geringem radialen Spiel umgriffen wird und die Hülsenschlitze (14,16,17) und/oder die Nut (19) in der Hülsenaussenwand (22) vorgesehen sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9109809U DE9109809U1 (de) | 1991-08-07 | 1991-08-07 | Aktive Staubsaugerdüse |
DE9109809U | 1991-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0526694A1 EP0526694A1 (de) | 1993-02-10 |
EP0526694B1 true EP0526694B1 (de) | 1998-02-04 |
Family
ID=6870092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92105922A Expired - Lifetime EP0526694B1 (de) | 1991-08-07 | 1992-04-06 | Aktive Staubsaugerdüse |
Country Status (4)
Country | Link |
---|---|
US (1) | US5351362A (de) |
EP (1) | EP0526694B1 (de) |
AT (1) | ATE162939T1 (de) |
DE (2) | DE9109809U1 (de) |
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US4306330A (en) * | 1979-09-04 | 1981-12-22 | Black & Decker Inc. | Air-powered vacuum cleaner floor tool |
US4397060A (en) * | 1981-03-26 | 1983-08-09 | Black & Decker Inc. | Vacuum cleaner tool for use on horizontal and vertical surfaces |
US4841594A (en) * | 1986-11-07 | 1989-06-27 | Black & Decker, Inc. | Cordless vacuum cleaner with power brush |
DE3643498A1 (de) * | 1986-12-19 | 1988-06-30 | Vorwerk Co Interholding | Rastverbindung fuer staubsauger und deren zubehoer |
DE3722961A1 (de) * | 1987-07-11 | 1989-01-19 | Licentia Gmbh | Teleskoprohr |
US5101534A (en) * | 1989-04-17 | 1992-04-07 | Hitachi, Ltd. | Suction nozzle with rotary brush for vacuum cleaner |
US4980945A (en) * | 1989-11-27 | 1991-01-01 | Whirlpool Corporation | Safety interlock device for a vacuum cleaner |
US5031266A (en) * | 1989-12-21 | 1991-07-16 | Whirlpool Corporation | Vacuum cleaner wand seal |
US5088149A (en) * | 1990-08-06 | 1992-02-18 | Tennant Company | Vacuum powered scrub head |
-
1991
- 1991-08-07 DE DE9109809U patent/DE9109809U1/de not_active Expired - Lifetime
-
1992
- 1992-04-06 DE DE59209178T patent/DE59209178D1/de not_active Expired - Fee Related
- 1992-04-06 EP EP92105922A patent/EP0526694B1/de not_active Expired - Lifetime
- 1992-04-06 AT AT92105922T patent/ATE162939T1/de not_active IP Right Cessation
- 1992-07-22 US US07/918,413 patent/US5351362A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7296324B2 (en) | 2003-12-05 | 2007-11-20 | Samsung Gwangju Electronics Co., Ltd. | Vacuum cleaner brush assembly |
Also Published As
Publication number | Publication date |
---|---|
US5351362A (en) | 1994-10-04 |
DE9109809U1 (de) | 1991-10-31 |
ATE162939T1 (de) | 1998-02-15 |
EP0526694A1 (de) | 1993-02-10 |
DE59209178D1 (de) | 1998-03-12 |
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