EP0526694B1 - Buse avec dispositif actif pour aspirateur - Google Patents

Buse avec dispositif actif pour aspirateur Download PDF

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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
Application number
EP92105922A
Other languages
German (de)
English (en)
Other versions
EP0526694A1 (fr
Inventor
Wilfried Krämer
Klaus-Dieter Riehl
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.)
Wessel Werk GmbH
Wessel Werk GmbH and Co KG
Original Assignee
Wessel Werk GmbH
Wessel Werk GmbH 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 Wessel Werk GmbH, Wessel Werk GmbH and Co KG filed Critical Wessel Werk GmbH
Publication of EP0526694A1 publication Critical patent/EP0526694A1/fr
Application granted granted Critical
Publication of EP0526694B1 publication Critical patent/EP0526694B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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.

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  • 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)

Claims (9)

  1. Buse active pour aspirateur, comprenant un carter en deux parties comportant une tubulure de raccordement au tube d'aspiration, dans lequel sont disposés au moins une brosse cylindrique, un dispositif moteur et une transmission qui transmet le couple de rotation du moteur à la brosse cylindrique, la partie supérieure du carter pouvant pivoter par rapport à la partie inférieure du carter, autour de l'axe de rotation de la brosse cylindrique ou autour d'un axe parallèle à celui-ci, entre une première position permettant l'accès à l'espace intérieur du carter, et une seconde position pouvant être verrouillée, et fermant le carter,
    caractérisée en ce que
       la ligne de joint (7) entre les deux parties du carter (1, 2) s'étend au moins jusque dans la zone de la tubulure (8, 9, 10) de raccordement sur le tuyau d'aspiration, et qu'une douille de verrouillage (13), qui entoure pour l'essentiel la tubulure (8, 9, 10) de raccordement sur le tuyau d'aspiration, est montée de façon axialement coulissante, entre une position permettant l'ouverture du carter et une position de verrouillage, sur la tubulure (8, 9, 10) de raccordement sur le tuyau d'aspiration, l'une au moins des deux parties du carter (2) comportant, au niveau de la tubulure (8) de raccordement sur le tuyau d'aspiration, un premier élément de verrouillage (11, 12) qui, en position de fermeture du carter, peut être enclenché de façon réversible dans un deuxième élément de verrouillage (14) de la douille de verrouillage (13), qui est complémentaire du premier élément.
  2. Buse d'aspirateur selon la revendication 1, caractérisée en ce que la tubulure (8, 9, 10) de raccordement au tuyau d'aspiration est globalement et pour l'essentiel cylindrique, au moins la partie dirigée axialement vers l'intérieur de la tubulure (8, 9, 10) de raccordement au tuyau d'aspiration, située du côté de la buse, étant divisée par la ligne de joint (7) du carter de manière telle qu'une section (8), ayant essentiellement une forme de coquille semi-cylindrique, soit formée sur la première (2) des deux parties du carter, alors que l'autre section (9, 10) de la tubulure de raccordement sur le tuyau d'aspiration fait partie de la seconde partie du carter (1).
  3. Buse d'aspirateur selon la revendication 2, caractérisée en ce que l'élément de verrouillage (11, 12) est réalisé sous forme d'une languette d'arrêt élastique (11) agencée dans la section (8) en forme de coquille semi-cylindrique de la première partie (2) du carter, cette languette pouvant être amenée en engagement réversible dans un évidement (14) ménagé dans la douille de verrouillage (13).
  4. Buse d'aspirateur selon la revendication 3, caractérisée en ce que la languette d'arrêt (11) est formée par deux entailles en forme de fentes ménagées dans l'extrémité côté tuyau d'aspiration de la section (8) en forme de coquille semi-cylindrique, et porte, à son extrémité libre, un bouton d'arrêt (12) saillant radialement vers l'extérieur.
  5. Buse d'aspirateur selon l'une des revendications 1 à 4, caractérisée en ce que l'évidement de la douille de verrouillage (13), qui reçoit le bouton d'arrêt (12) de la languette élastique d'arrêt (11), est configuré comme une rainure (14) de la douille, en forme de trou oblong formé en arc de cercle, s'étendant dans le sens de la circonférence, de manière que l'ensemble de la douille de verrouillage (13) soit installé sur la tubulure (8, 9, 10) de raccordement sur le tuyau d'aspiration de façon mobile en rotation, de la valeur d'un angle limité en fonction de la longueur de la rainure (14) de la douille.
  6. Buse d'aspirateur selon l'une des revendications 1 à 5, caractérisée par un élément de butée (15) disposé sur la seconde partie (1) du carter, essentiellement placé à l'extrémité côté tuyau d'aspiration de la tubulure (8, 9, 10) de raccordement sur le tuyau d'aspiration, l'élément s'engageant dans une seconde rainure (16) de la douille de verrouillage (13), en forme de trou oblong, s'étendant essentiellement dans le sens de la tubulure (8, 9, 10) de raccordement sur le tuyau d'aspiration, la longueur de cette rainure (16) de la douille limitant la mobilité en coulissement axial de la douille de verrouillage (13) après sa libération par la languette élastique d'arrêt (11).
  7. Buse d'aspirateur selon l'une des revendications 1 à 6, caractérisée par une troisième rainure (17) de la douille, en forme de trou oblong en arc de cercle s'étendant dans le sens de la circonférence, ménagée dans la douille de verrouillage (13), qui est reliée à la deuxième rainure (16) de la douille en formant un T, et dont la longueur correspond au moins à la longueur de la première rainure (14) de la douille.
  8. Buse d'aspirateur selon l'une des revendications 1 à 7, caractérisée par une gorge (19) ménagée dans la paroi intérieure de la douille de verrouillage (13), fermée radialement vers l'extérieur et s'étendant dans le sens axial essentiellement parallèlement à la deuxième rainure (16) de la douille, la gorge s'étendant depuis l'une des extrémités de la troisième rainure (17) de la douille jusqu'à l'extrémité côté buse (20) de la douille de verrouillage (13), et débouchant à cette extrémité, l'élément de butée (15) présentant une hauteur radiale qui est au moins légèrement inférieure à la profondeur radiale de la gorge (19).
  9. Buse d'aspirateur selon l'une des revendications 1 à 8, caractérisée en ce que la douille de verrouillage (13) est réalisée sous forme d'une douille à double paroi, dont le diamètre intérieur (d) correspond essentiellement au diamètre extérieur du tuyau d'aspiration à raccorder sur celle-ci, la paroi de la tubulure (8, 9, 10) de raccordement sur le tuyau d'aspiration étant entourée, avec un faible jeu radial, intérieurement par la paroi intérieure (21), et extérieurement par la paroi extérieure (22) de la douille de verrouillage (13), et en ce que les rainures (14, 16, 17) de la douille et/ou la gorge (19) sont prévues dans la paroi extérieure (22).
EP92105922A 1991-08-07 1992-04-06 Buse avec dispositif actif pour aspirateur Expired - Lifetime EP0526694B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9109809U 1991-08-07
DE9109809U DE9109809U1 (fr) 1991-08-07 1991-08-07

Publications (2)

Publication Number Publication Date
EP0526694A1 EP0526694A1 (fr) 1993-02-10
EP0526694B1 true EP0526694B1 (fr) 1998-02-04

Family

ID=6870092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92105922A Expired - Lifetime EP0526694B1 (fr) 1991-08-07 1992-04-06 Buse avec dispositif actif pour aspirateur

Country Status (4)

Country Link
US (1) US5351362A (fr)
EP (1) EP0526694B1 (fr)
AT (1) ATE162939T1 (fr)
DE (2) DE9109809U1 (fr)

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CN110786779B (zh) * 2018-08-03 2022-04-19 添可智能科技有限公司 地刷控制系统及地刷
CN110558712A (zh) * 2019-10-21 2019-12-13 宁波恩邦工具有限公司 一种多功能刷

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US4980945A (en) * 1989-11-27 1991-01-01 Whirlpool Corporation Safety interlock device for a vacuum cleaner
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Cited By (1)

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US7296324B2 (en) 2003-12-05 2007-11-20 Samsung Gwangju Electronics Co., Ltd. Vacuum cleaner brush assembly

Also Published As

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US5351362A (en) 1994-10-04
EP0526694A1 (fr) 1993-02-10
ATE162939T1 (de) 1998-02-15
DE9109809U1 (fr) 1991-10-31
DE59209178D1 (de) 1998-03-12

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