WO2016141957A1 - Unité tubulaire réglable en longueur et appareil de nettoyage - Google Patents

Unité tubulaire réglable en longueur et appareil de nettoyage Download PDF

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Publication number
WO2016141957A1
WO2016141957A1 PCT/EP2015/054749 EP2015054749W WO2016141957A1 WO 2016141957 A1 WO2016141957 A1 WO 2016141957A1 EP 2015054749 W EP2015054749 W EP 2015054749W WO 2016141957 A1 WO2016141957 A1 WO 2016141957A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
locking
locking device
pipe
housing
Prior art date
Application number
PCT/EP2015/054749
Other languages
German (de)
English (en)
Inventor
Stephan Siegel
Matthias Hermann
Julia Baumgart
Mathias KLORMANN
Original Assignee
Alfred Kärcher Gmbh & 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 Kärcher Gmbh & Co. Kg filed Critical Alfred Kärcher Gmbh & Co. Kg
Priority to EP15707998.9A priority Critical patent/EP3264963B1/fr
Priority to PCT/EP2015/054749 priority patent/WO2016141957A1/fr
Priority to CN201580077419.XA priority patent/CN107427176B/zh
Publication of WO2016141957A1 publication Critical patent/WO2016141957A1/fr

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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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/244—Hose or pipe couplings for telescopic or extensible hoses or pipes

Definitions

  • the invention relates to a length-adjustable tube device for a cleaning device.
  • the invention further relates to a cleaning device and in particular vacuum cleaner.
  • Vacuum cleaners are for example from WO 2013/080508 AI, the
  • EP 0 708 613 B1 US Pat. No. 4,610,048 and EP 1 228 732 B1.
  • EP 1 365 676 B1 discloses an extension tube arrangement for a domestic appliance.
  • the invention has for its object to provide a length adjustable tube device of the type mentioned, which is easy to use and in particular is operated by a single actuator.
  • This object is achieved with the above-mentioned length-adjustable pipe device according to the invention that at least a first tube is provided, a second tube is provided, a third tube is provided, wherein the first tube is longitudinally displaceably guided in the second tube and the second tube in the a first locking device is provided, which acts between the first tube and the second tube, wherein in a releasable locking position of the first locking means the first tube is fixed to the second tube with respect to a longitudinal displacement, a second Ver is provided, which acts between the second tube and the third tube, wherein in a releasable locking position of the second locking means, the second tube is fixed to the third tube with respect to a Lekssverschiebige, and a third locking device is provided, which on the
  • the length-adjustable tube device is constructed in a cascade.
  • the first tube is displaceable relative to the second tube, wherein the first locking device defines the first tube to the second tube in its locking position.
  • the second tube is slidable in the third tube.
  • this mobility is only possible if the third locking device releases it. Since the transition from the locking position to the unlocking position of the third locking device is controlled by the position of the first pipe or by a force, that is position-controlled or force-controlled, this transition results to some extent automatically when a certain position of the first tube to the second pipe is reached. There is no separate actuator required. Then, when the third locking device is in the unlocked position, the relative position of the second pipe to the third pipe can be adjusted via the second locking device. It results in ease of use, a largerieneinsteil Scheme for the pipe device.
  • the length-adjustable tube device has a high ease of use.
  • first locking device and the third locking device are coupled to one another in such a way that in the unlocking position of the third locking device the first locking device is in its locking position.
  • first locking device and the second locking device are coupled to one another such that in the locking position of the third locking device, the first locking device and the second locking device can be brought together from their respective locking position into an unlocked position or together in their respective unlocked position.
  • first locking device and the second locking device can be brought together from their respective locking position into an unlocked position or together in their respective unlocked position.
  • first locking device and the second locking device are decoupled in the unlocked position of the third locking device, wherein the second locking device can be brought into the locking position and the position of the second tube to the third tube by the second locking device detectably adjustable is. This results in a large length range for the
  • the first locking device In the unlocking position of the third locking device, the first locking device no longer has to be acted upon, since this is in a locking position. It results in ease of use, a compact design.
  • the first locking device on a first immersing element, which is in particular a ball or a roller, which is immersed in the locking position in a first recess of the first tube and which is replaceable for unlocking from the first recess.
  • the immersion element is also immersed in a corresponding recess of the second tube.
  • the first tube has a plurality of first recesses spaced in a longitudinal direction of the first tube.
  • a plurality of different length positions of the first tube can be set and locked in stages to the second tube.
  • the first locking device has a movable first blocking element, which blocks in the locking position a dewatering of the first immersion element from the first recess and releases in an unlocking position a dewatering. The position of the movable first locking element determines whether or not it is possible to escape. This results in a simple locking option, which in turn can be canceled in a simple manner.
  • a first receptacle for the first immersion element is arranged on the first blocking element, into which the first immersing element can be immersed in an unlocking position. It is thereby made possible an escape from the first recess of the first tube to cancel the positive connection between the first tube and the second tube and a
  • the first blocking element is displaceable parallel to a longitudinal direction of the pipe device. It can thereby achieve a displacement movement by a single actuator for the first displacement means and the second displacement means.
  • a rear part device and in particular spring device is provided, which is endeavored without external force acting on the first locking element to bring this in a locking position for the first immersion element. This results in a simple operation.
  • the restoring force of the rear part device can be achieved with appropriate positioning of the first recess in an automatic manner a lock.
  • the second locking device it is expedient for the second locking device to have a second immersion element which is locked in the locking device. ment position is immersed in a second recess of the second tube and which is replaceable for unlocking from the second recess.
  • the second tube has a plurality of spaced apart in a longitudinal direction of the second tube second recesses.
  • the second locking device has a movable second blocking element, which blocks in the locking position a dewatering of the second immersion element from the second recess and releases in an unlocked position a dewing.
  • a second receptacle for the second immersion element is arranged on the second blocking element, into which the second immersing element can be immersed in the unlocked position.
  • the second locking element is displaceable parallel to a longitudinal direction of the pipe device.
  • the third locking device has a third immersing element and the second tube and the third tube have corresponding receptacles in which the third immersing element in the Locking position is positioned and determines the second tube to the third tube. It can be achieved by a positive connection by means of the third immersion element in a simple manner a determination of the second tube to the third tube.
  • the first tube has a recess associated with the third locking device, into which the third immersion element dips in the unlocked position of the third locking device and is at least ejected from the receptacle of the third tube. It can thereby be easily controlled via the position of the first tube to the second tube bring the third locking device from the locking position to the unlocked position to allow movement between the second tube and the third tube.
  • the second tube at the locking position of the third locking device forms a barrier wall for the third immersion element, which holds the third immersion element in the receptacles of the second tube and the third tube and thus a positive connection between the second tube and the third tube to block the corresponding mobility allows.
  • a third immersing element of the third locking device or a force-applying element of the third locking device is arranged in a longitudinal direction of the tube device between the first immersing element of the first locking device and a second immersing element of the second locking device.
  • a force-applying element is provided, which in particular is spring-loaded, and which is in the locking Position of the third locking device determines the second tube on the third tube non-positively, wherein in the unlocked position of the third locking device the frictional attachment is repealed.
  • no positive engagement between the third pipe and the second pipe is provided, but a frictional engagement.
  • the Kraftbeetzhausungselement provides the necessary force for a non-positive fixation. This fixation can be canceled by appropriate positioning of the first tube to the second tube. It can also be canceled by direct operator intervention on Kraftbeierschlagungselement.
  • Simple operability in particular by a single actuating element, results if a slide is provided which is longitudinally displaceable relative to the tube device and which is coupled to a first blocking element of the first locking device and a second blocking element of the second locking device.
  • both the first locking element and the second locking element can be moved synchronously.
  • the slide is longitudinally displaceable on the tube device or a housing on which the tube device is mounted, arranged. This results in a space-saving accommodation with optimized usability. It is advantageous if the slide is constantly connected to the second blocking element. As a result, when the third locking device is in an unlocked position, it is possible to actuate the slider adjust a relative position of the second tube to the third tube in a simple manner.
  • the first blocking element is not permanently connected to the slider and a displacement movement in a direction of displacement by the slide by pushing occurs.
  • the first locking element can be acted upon by the slider in a locking position of the third locking device without the need for an additional actuating element.
  • a first connection for a cleaning tool and in particular a suction nozzle is provided on the pipe device, wherein the first connection is arranged in particular on the first pipe.
  • a second connection for fluid-effective connection with a suction unit is arranged on the pipe device and is arranged in particular on the third pipe. It can then pass through the pipe device through a suction flow.
  • a cleaning device and in particular a vacuum cleaner which comprises a pipe device according to the invention.
  • the cleaning device advantageously has a housing on which the tube device is arranged. This results in a compact design.
  • the tube device is arranged on an outer side of the housing.
  • a longitudinally displaceable slide is arranged on the housing or on the tube device, via which the first locking device and the second locking device for producing a respective unlocking position can be acted upon.
  • the tube device is fluidly connected to a suction unit and in an operating state, a suction flow is passed through the tube device.
  • a cleaning tool and in particular a suction nozzle is fixed or fixable on the pipe device.
  • the pipe device can then be used in an effective manner, in particular for a sucker.
  • a vacuum cleaner with the tube means comprising a housing which extends between a first housing side and a second housing side in a first extension axis, a suction unit for generating a suction flow, which is arranged in the housing, a separator, which in the housing is arranged, and a tube means which is arranged on or in the housing and extends in a second extension axis at least approximately parallel to the first extension axis, wherein on the tube means a nozzle connection for a suction nozzle is arranged and the nozzle port is closer to the first housing side than to the second housing side.
  • the tube device is formed adjustable in length along the second extension axis and a distance of the nozzle connection to the first side of the housing is detectably adjustable.
  • Due to the adjustability of the distance of the nozzle connection to the first side of the housing can be a stand function for the vacuum cleaner realize, in which in particular a fixation of the nozzle side with a suction nozzle and in particular a floor nozzle is possible.
  • the tube device may include, for example, a plurality of pluggable tubes for length adjustability or, for example, a telescopic device of tubes arranged displaceably with one another.
  • the vacuum cleaner can be used as a vacuum cleaner, in which it is placed on a floor nozzle on the surface to be cleaned, and it can be used as a hand vacuum cleaner, which is hand-held.
  • the vacuum cleaner can be effectively used for sucking under furniture or the like. Due to the extendibility of the distance between the nozzle connection and the housing, the housing can remain outside a room under a piece of furniture and only one suction nozzle with the corresponding The pipe area of the pipe device must be submerged in this space.
  • the second extension axis is at least approximately parallel to the first extension axis. It lies parallel to the first extension axis or at an acute angle of at most 20 °.
  • a distance of the suction nozzle to the first side of the housing can be determined in a detectable manner. This results in variable insertion options. It can be a stand position fix.
  • a floor nozzle is provided on which a first fixing device is arranged, wherein a second fixing device for cooperation with the first fixing device is arranged on the first housing side, and wherein in the case of first fixing device acting on the second fixing device Housing is fixed to the floor nozzle and the vacuum cleaner is in a stand position. It can thereby secure the stand position.
  • the vacuum cleaner can be placed at any time to save space in an upright position. Starting from this position, a suction position can be easily achieved by extending the tube device.
  • the second extension axis is oriented at least approximately vertically (perpendicular or at an acute angle of at most 20 ° to the vertical) to a base on which the floor nozzle is placed with a lower side.
  • the stand position can be realized thereby with good tilt stability.
  • the first fixing device and the second fixing device comprise at least one rib and at least one engagement recess for the at least one rib.
  • the at least one rib is arranged, for example, on the first side of the housing and the at least one engagement recess on the floor nozzle.
  • the corresponding elements can interengage, for example, to realize a positive connection, which ensures the position of the stand.
  • the first fixing device and the second fixing device comprise at least one magnetic element and at least one counter element for the at least one magnetic element, wherein between the at least one magnetic element and the at least one counter element, a magnetic holding force acts in the standing position.
  • This can secure the stand position.
  • the at least one magnetic element and the at least one counter element are provided as additional elements, can be prevented when lifting the vacuum cleaner to which, for example, a floor nozzle is fixed, a folding down of the floor nozzle relative to the housing.
  • a center of mass of the vacuum cleaner lies in the housing and, in a vertical position of the vacuum cleaner, which is provided with a floor nozzle as a suction nozzle, a projection of the center of mass in a vertical direction with respect to the gravitational force direction at the floor nozzle, when the vacuum cleaner with the floor nozzle is placed on a horizontal floor. This makes it possible to realize a standing position with high tilting safety.
  • the tube device has at least one rigid tube and is in particular designed as a telescopic device with at least two rigid tubes.
  • the tube device protrudes beyond the second side of the housing.
  • the vacuum cleaner can be realized compactly with a relatively small housing. It can reach a flow path, which is relatively long. This, in turn, makes it possible to achieve effective sound reduction.
  • the second housing side has a housing connection for coupling in a suction flow and the tube device has a connection which is fixed in its position, in particular with respect to the housing, and which in particular is spaced from the second housing side, and wherein a connecting tube is disposed between the terminal and the housing terminal.
  • a connecting pipe Via the connecting pipe, a flow deflection can be achieved. This results in a compact construction of the vacuum cleaner with particularly compact housing dimensions.
  • the connection pipe can also be used as a bow handle.
  • an openable lid is arranged on the connecting tube. It can be achieved by a Falseufteinkopplung, for example, to be able to solve a firmly sucked suction nozzle.
  • the connecting tube is designed as a bow-shaped handle for holding the vacuum cleaner. This will Rhausen also used as a holding element. It must then be provided no additional bow handle and the mass of the vacuum cleaner can be kept low.
  • the arrangement of the connecting pipe above the housing also results in an optimized holding function, for example, for sucking a floor or when used as a hand vacuum cleaner.
  • the separator device is positioned closer to the second housing side than to the first housing side and in particular is arranged on the second housing side. This results in a compact construction of the housing and thus of the vacuum cleaner.
  • the suction unit is positioned closer to the first side of the housing than to the second side of the housing and in particular the separator and the suction unit are arranged one above the other along the first extension axis. This results in a compact design.
  • a flow path for a suction flow or exhaust air of the suction unit which arises from a cleaned suction flow, comprises a first region, which in the
  • Pipe means is arranged with a main flow direction along the second axis of extent, and a second region which is arranged in the housing with a main flow direction along the first axis of extension opposite to the main flow direction in the first region.
  • the flow path includes a third region disposed in the housing with a main flow direction along the first extension axis opposite to the main flow direction in the second region. It is favorable when a deflection region for the flow between the first region and the second region is formed by a connecting tube between the tube device and the housing and in particular the second housing side. This results in a compact design.
  • the connecting tube can be used for example as a bow handle.
  • a deflection region for the flow between the second region and the third region in the housing, in particular between the suction unit and the first housing side is formed. This results in a compact design with optimized space utilization.
  • a porous material such as foam material for noise reduction is arranged.
  • the third region is formed in the housing between a housing wall and the separator and the suction unit, wherein in particular the separator and the suction unit are arranged one above the other with respect to the first extension axis. This makes it possible to deliver cleaned exhaust air from the suction unit over a relatively large area to the environment.
  • At least one outlet opening is arranged on the housing wall, which is connected in fluid-effective manner to the third area.
  • At least one outlet opening for exhaust air of the suction unit is arranged on the housing on a third housing side to which the pipe device is fixed, the third housing side being arranged in particular between the first housing side and the second housing side.
  • a plurality of outlet openings is provided, wherein outlet openings are arranged in a direction along the first extension axis on the housing.
  • At the at least one outlet opening an open-porous structure such as a foam element is arranged, through which exhaust air must flow.
  • an openable door is arranged on the housing, via which access is possible to a region in the interior of the housing on which the separator device is arranged.
  • the door may be separate from or disposed on the separator. In the latter case, the door is removed (and thereby opened) with the removal of the separator device from the housing. It is easy to remove accumulated dirt.
  • the separator device is as
  • Filter separator device is formed, which in particular a pre-separator (for coarse dust) and a filter device for dust (fine dust), wherein the filter device is designed for dust in particular as a cartridge filter.
  • dust particles greater than 200 ⁇ m, greater than 150 ⁇ m or greater than 100 ⁇ m, depending on the design of the pre-separator, are collected by the pre-separator.
  • the filter device for (fine) dust then collects finer dust particles. It can be a compact structure of the vacuum cleaner and in particular realize the housing. It can be done in a simple way a dirt emptying. Furthermore, a filter exchange can be carried out in a simple manner.
  • the suction unit comprises a blower motor, which is associated with a Strömungsumschelement particular in the form of a hood, wherein at the blower motor at least a first flow area and a second flow area is provided with opposite main flow directions.
  • Underflow area in the housing can be an effective sound reduction can be achieved, that is, it can be a reduction of the noise emissions due to sound reflection in the housing.
  • an exhaust filter is provided, which is arranged downstream of the blower motor with respect to a flow or is arranged between the fan motor and the Strömungsumschelement.
  • an exhaust air filter for example, abrasion of the fan motor can be filtered out.
  • an element made of a reverberant material with a sound reflectance of at least 94%, in particular in ring form is arranged. This results in a reduced noise emission.
  • a foam element is arranged at the transition.
  • the vacuum cleaner can be both as a floor cleaner, when a floor nozzle is fixed to the nozzle connection, and the vacuum cleaner is placed on a surface to be cleaned with the floor nozzle use, as well as use as a hand vacuum, in which case the vacuum cleaner is kept free in particular via a bow handle ,
  • a separator comprising a pre-separator with a receiving basket, which has a receiving space, wherein during operation of the separator, a dirt-laden suction flow is performed through the receiving space.
  • a lid is associated with the receiving basket, on which at least one pin-shaped active element sits, which projects into the receiving space when the lid is closed and which can be acted upon by dirt in the receiving space when the lid moves relative to the receiving basket.
  • the vacuum cleaner In an operation of the vacuum cleaner accumulates in the receiving space of the receiving basket dirt.
  • the lid When the lid is opened, there is a movement of the at least one pin-shaped active element in the receiving space and the pin-shaped acting element can act on accumulated dirt and stir it in a sense.
  • the at least one pin-shaped influencing element is designed correspondingly with a correspondingly large surface, that dirt or a part of the dirt attaches to the pin-shaped acting element and is thus effectively pulled out of the receiving basket.
  • the at least one pin-shaped active element sits as a flag on the lid.
  • the lid and thus also the pre-separator can be formed in a simple manner. It is particularly advantageous if, during a release movement of the cover, when it is fixed to the receiving basket, the at least one pin-shaped influencing element is moved into the receiving space. As a result, an anyway necessary release movement of the cover for acting on accumulated dirt in the receiving space is used.
  • the at least one interaction element is wedge-shaped and / or multi-pronged. This effectively acts on the dirt.
  • a connection for a Saugstrom horr is arranged on the lid.
  • This allows a high degree of functional integration to be achieved. Any necessary connection will be integrated into the lid.
  • the lid has a bottom, which assigns the receiving space when the lid is closed, and the at least one pin-shaped acting element is oriented transversely to the underside thereof.
  • a pin-shaped active element can be realized in a simple manner, which is fixed to the cover and projects into the receiving space when the cover is closed.
  • the receiving basket is designed as a mesh basket, in particular with a grid structure of a bottom wall and a side wall arranged on the bottom wall.
  • a mesh structure such as a fabric is arranged at openings of the mesh basket (at the bottom wall and side wall).
  • a mesh size of this mesh structure determines which particle sizes are collected in the receiving basket and which are transmitted.
  • the lid is completely detachable from the receiving basket. As a result, a simple emptying of the receiving basket can be achieved.
  • the lid sits as a hinged lid on the receiving basket. The lid is opened by opening it opposite the basket. The lid can permanently sit on the basket or it can be solved. By unfolding, the at least one pin-shaped active element moves in the receiving space and a corresponding pivotal movement of the lid causes an impact on accumulated dirt.
  • the lid has a central axis or median plane and the at least one pin-shaped active element between the central axis and a hinged joint is arranged and in particular closer to the hinged joint as sitting to the central axis or median plane on the lid.
  • the lid is designed as a rotating lid. It is basically possible that the lid is designed as a pure rotary lid or is designed as a hinged and hinged lid. For example, in the training as a hinged lid first to open the lid, a rotary motion is required, in which case the lid can be opened by opening and coupled, for example by the rotational movement of the lid to a hinged joint.
  • the cover can be fixed to the receiving basket via a bayonet device.
  • a fixation position can be achieved in a simple manner and the lid can be opened in a simple manner starting from the fixation position.
  • the at least one pin-shaped influencing element moves on an orbital path when the cover is rotated.
  • an effective effect on accumulated dirt in the receiving space can be achieved. This results in an effective dilution, in particular if a plurality of pin-shaped elements are provided.
  • At least two opposing pin-shaped elements are provided. These are spaced from each other. This makes it possible to achieve a large impact area when the cover is turned.
  • the at least one pin-shaped influencing element is rigid in order to achieve an effective action and, in particular, a solution of dirt which has accumulated in the receiving space.
  • the separator device is designed as a filter separator device, which has both a coarse dirt separator function and a fine-dirt filter function.
  • the separator is then formed in multiple stages and has, for example, a filter device for (fine) dust, which is arranged downstream of the pre-separator (as a filter and collector for coarse dust).
  • the separator can be trained to save space.
  • the filter device for (fine) dust is designed as a cartridge filter. This makes it possible to achieve effective cleaning in compact room dimensions.
  • a filter box which comprises the filter separator and can be handled as a unit.
  • the filter box can be removed as a unit of a vacuum cleaner to perform a discharge process.
  • the basket is especially dere detachable - or fixed - arranged on the filter box. He lets himself be taken from this. After loosening the lid, the basket can be emptied.
  • the filter box has a connection for the fluid-effective connection with a suction unit. This makes it possible to achieve a compact design and a connection to the suction unit when inserting the filter box is possible in a simple manner.
  • a connection for the fluid-effective coupling of a dirt-laden suction flow is formed in particular on the cover.
  • a removable filter box with the separator is arranged in the housing of the vacuum cleaner. This makes it easy to perform a dust discharge. Furthermore, a filter exchange can be carried out in a simple manner.
  • the housing then comprises an openable door, wherein the filter box can be removed from the housing via a door opening.
  • the filter box can be removed from the housing via a door opening.
  • Figure 1 is a perspective view of an embodiment of a vacuum cleaner according to the invention in a standing position
  • Figure 2 is another perspective view of the vacuum cleaner according to
  • Figure 1 wherein flow paths are indicated;
  • Figure 3 is a front view of the vacuum cleaner of Figure 1;
  • Figure 4 is a sectional view taken along line 4-4 of Figure 3; a schematic representation of the interaction of a floor nozzle with a housing for fixing the standing position of Figure 1; an alternative or combinable variant for fixing the stand position; a view of an embodiment of a filter box for the vacuum cleaner of Figure 1; an exploded view of the filter box of Figure 7; a sectional view taken along the line 9-9 of the filter box of Figure 7; an embodiment of a pre-separator with an open lid; a perspective view of another embodiment of a pre-separator with a closed lid; a side view of the pre-separator according to Figure 11; a sectional view taken along line 13-13 of Figure 12; an exploded view of the pre-separator according to Figure 11;
  • Figure 15 (a) is a similar view of the vacuum cleaner as in Figure 3 without
  • FIG. 15 (b) is a view similar to Figure 3 with a floor nozzle, the pipe means being in a further extension position;
  • Figure 16 is a sectional view taken along line 16-16 of Figure 15 (b);
  • Figure 17 is a sectional view similar to the view of Figure 16, wherein the
  • Tube means in a further extension position a partial sectional view similar to Figure 16 in an extension position of the tube device, which corresponds to the view of Figure 15 (a); an enlarged view of a portion of the tube device with locking devices, wherein the position shown corresponds to a non-extension position; an embodiment of a tube device which is adjustable in length, in an overall position with a minimum length; a view similar to Figure 20, wherein now a
  • Extension position is reached, in which a first tube is displaced relative to a third tube, starting from the starting position shown in Figure 20; a further extension position of the tube device, in which now a second tube is displaced relative to the third tube;
  • FIG. 23 is a sectional view of the third pipe of the pipe device according to FIG. 23
  • FIG. 24 shows a sectional view of the second tube of the tube device according to FIG. 20.
  • FIG. 25 shows a sectional view of the first tube of the tube device according to FIG.
  • FIG. 20 is a diagrammatic representation of FIG. 20.
  • FIGS. 1 to 4 An exemplary embodiment of a vacuum cleaner (as an example of a cleaning device), which is shown as a whole in FIGS. 1 to 4 and designated therein by 10, comprises a housing 12 and a pipe device 14.
  • the housing 12 has a first housing side 16. Opposite the first housing side 16, it has a second housing side 18. The housing extends between the first housing side 16 and the second housing side 18 in a first extension axis 20.
  • FIGS. 1 to 4 the vacuum cleaner 10 is shown in a standing position 22.
  • a bottom nozzle 26 is fixed as a suction nozzle on the tube device 14 at a nozzle connection 24.
  • the floor nozzle 26 rests on a surface 28 (FIG. 4).
  • the first housing side 16 faces the floor nozzle 26 and the second housing side 18 faces away from the floor nozzle 26.
  • a separator 30 and a suction unit 32 are arranged one above the other in the first extension axis 20.
  • the suction unit 32 of the separator 30 is arranged downstream.
  • the separator device 30 is located on the second side of the housing 18.
  • the suction unit 32 is located closer to the first housing side 16 than to the second housing side eighteenth
  • the suction unit 32 includes a blower motor 34 and a blower 36 which is rotationally driven by the blower motor 34.
  • the housing has a housing wall 38, on which a third housing side 40 is formed.
  • the third housing side 40 extends in the first extension axis 20 between the first housing side 16 and the second housing side 18.
  • the housing wall 38 is at least approximately flat in one embodiment.
  • the housing is closed via a further housing wall 42, which is connected to the housing wall 38 and lies transversely to the first housing side 16 and the second housing side 18.
  • the further housing wall 42 has in particular a curved shape.
  • the tube device 14 extends along a second extension axis 44.
  • the second extension axis 44 is parallel to the first extension axis 20.
  • the tube device 14 is fixed or mounted on an outer side of the housing 12 on the housing wall 38.
  • the tube device is adjustable in length. It has the nozzle connection 24 on a first tube 46.
  • the first tube 46 is slidably guided in a second tube 48 in a longitudinal displacement in a displacement direction 50, which is parallel to the second extension axis 44.
  • the second tube 48 is displaceably guided in a third tube 52 in addition to the displacement direction 50.
  • the tube device 14 is designed as a telescopic tube device in order to achieve a length adjustability. This will be explained in more detail below.
  • the nozzle port 24 is disposed on the first tube 46.
  • the third tube 52 is fixedly connected to the housing 12 and thereby fixed to the housing 38.
  • the tube device 14 has a further connection 54. This connection 54 is firmly (non-displaceably) positioned with respect to the housing 12. It protrudes beyond the second housing side 18.
  • a housing connection 56 is arranged on the second side of the housing 18. Between the connection 54 of the tube device 14, which sits on the third tube 52, and the housing connection 56, a connecting tube 58 is arranged.
  • the connecting tube ensures a fluid-effective connection between the tube device 14 (and in this case an exit side of the tube device 14 via the connection 54) and the separator device 30.
  • the first tube 46, the second tube 48 and the third tube 52 of the tube device 14 are formed as rigid tubes, which are made in particular of a metallic material.
  • the tubes can also be made of a plastic material.
  • the connecting tube 48 is also made as a rigid tube and in particular made of a metallic material or plastic material.
  • the connecting pipe 58 is designed as a bow-shaped handle 60, on which an operator can hold the vacuum cleaner 10 and, for example, can also use it as a hand-held vacuum cleaner.
  • a free space 64 is formed between a region 62 of the tube device 14 with which it projects beyond the second housing side 18, the second housing side 18, and the connecting tube 58. Through the free space 64, a hand or finger of the operator can dive while holding the bow-shaped handle 16.
  • a lid 110 and in particular hinged lid 110 is provided on the connecting tube 58. The lid 110 covers an opening on the connecting tube 58.
  • a fluid-effective connection is made between an outer space around the vacuum cleaner 10 and an interior of the connecting pipe 58.
  • a false air opening can be provided, which can be used, for example, to release a suction nozzle, which is fixed to the tube device 14, from a surface 28 when it has been firmly sucked.
  • dirt on the tube device 14 or the connecting tube 58 can be removed via the opening after the lid 110 has been opened.
  • the nozzle port 24 is closer to the first housing side 16 than to the second housing side 18.
  • a position of the nozzle port 24 and thus a suction nozzle held thereon is adjustable relative to the second housing side 18; a distance of the nozzle port 24 to the second side of the housing 18 is detectably adjustable via the tube device 14.
  • the position of the nozzle port 24 is adjusted to the second housing side 18 by adjusting the position of the first tube 46 to the second tube 48 and adjusting the position of the second tube 48 to the third tube 52. This will be explained in more detail below ,
  • the floor nozzle 26 has a housing 66.
  • the housing 66 has an approximately cuboid shape in one embodiment.
  • the housing 66 has a front side 68, a rear side 70, opposite lateral sides 72a, 72b and an upper side 74.
  • the lateral sides 72a, 72b are arranged perpendicular to the front 68. They have a region 76 towards the back 70, where they are chamfered.
  • a roller device 78 is positioned outside the housing 66. This includes one or more rotatable rollers. Via the roller device 78, the floor nozzle 26 can be supported on the surface 28.
  • one or more support elements 80 are arranged, via which the floor nozzle 26 can be supported at a distance from the roller device 78 on the surface 28.
  • a support element 80 is designed, for example, as a sliding element for the surface 28 or as a roller element.
  • the floor nozzle 26 has a suction mouth 82.
  • the suction port 82 faces the surface 28 via the roller device 78 and via the support elements 80 on the surface 28 supported floor nozzle 26.
  • the aspirating surface 28 can be subjected to a suction flow via the suction orifice, which can be designed in several parts or in one piece.
  • the floor nozzle 26 has a connection 84. Via this connection 84, the floor nozzle 26 is fluid-effectively connectable with the pipe device 14 and thereby the first pipe 46 and also mechanically with the pipe device 14.
  • a conduit 86 is arranged, via which the port 84 and the suction port 82 are fluidly connected to each other.
  • connection 84 is designed in cooperation with the nozzle connection 24 in such a way that the tube device 14 is connected via the first tube 46 to a connection. End region 88 of the floor nozzle 26 can be inserted.
  • a plug-in direction is in this case in particular parallel to the second extension axis 44 (relative to a position in which the tube device 14 is already plugged into the connection region 88).
  • the upper side 74 of the housing 66 of the floor nozzle 26 has a flat area 90 (FIG. 4).
  • a first fixing device 92 is arranged at the top 74 and in particular the flat area 90.
  • a second fixing device 94 is arranged, which serves for cooperation with the first fixing device 92 of the floor nozzle 26.
  • the first fixation device 92 includes one or more engagement recesses 96.
  • the second fixation device 94 includes one or more ribs 98, wherein a rib on the second housing side 18 is arranged to engage an associated engagement recess 96 in the upright position 22 while the stand position 22 secures.
  • the tube device 14 In the standing position 22, the tube device 14 is in a basic position, in which the tube device 14 in particular has a minimized length along the second extension axis 44 and wherein the corresponding position of the tube device 14 is then secured.
  • a rib 98 and an associated engagement recess 96 are formed so that a positive connection is produced by the engagement of rib 98 and engagement recess 96.
  • FIG. 5 schematically shows the interaction of the first fixing device 92 with the second fixing device 94.
  • the vacuum cleaner 10 has a center of mass 100 (FIG. 4).
  • the center of mass 100 of the overall device lies within the housing 12 and, for example, at the level of the suction unit 32.
  • a projection line of the center of gravity 100 passes in a vertical direction (parallel to the direction of gravity g) through the floor nozzle 26 and, for example, through the flat area 90 of the floor nozzle 26.
  • the center of gravity 100 is above the floor nozzle 26. It is achieved by a stable position and the
  • Stand position 22 is secured.
  • the first fixing device 92 and the second fixing device 94 are adapted to each other and in particular the rib or ribs 98 and the associated engagement recess 96 or corresponding engagement recesses 96 are formed so that an inclination of 10 ° (and in particular by at least 10 °) not the fixation solves, that is, the corresponding connection between the first fixing device 92 and the second fixing device 94 is maintained even in an oblique inclination of 10 ° in all directions.
  • the first fixing device 92 cooperates only with the second fixing device 94 when, as mentioned above, the tube device 14 is retracted (FIGS. 1 to 4). If, starting from this, the distance between the nozzle connection 24 and the first housing side 16 is increased, then the second fixing device 94 and the first fixing device 92 can no longer engage in one another.
  • At least one counterelement 102 is arranged on the upper side 74 of the floor nozzle 26 and in particular on the flat area 90.
  • At least one corresponding magnetic element 104 is arranged on the first housing side 16 of the housing 12.
  • the counter element 102 and the magnetic element 104 are so close to each other that a magnetic holding force acts, which ensures a position of the floor nozzle 26 to the housing 12.
  • the combination of counter element 102 and magnetic element 104 can also be used to frictionally fix the stand position 22 by releasably fixing the housing 66 of the floor nozzle 26 to the housing 12 of the vacuum cleaner 10.
  • the floor nozzle 26 is switchable for operation on a hard surface or a carpet surface, wherein in particular is switchable, whether the one or more support elements 80 are rollers 106 ( Figure 4) when used for a hard surface, or sliding elements are in use on a carpet surface.
  • a corresponding switching mechanism 108 is provided on the housing 12.
  • an apparent door 112 is arranged on the housing 12. This door 112 is, for example, hinged to the rest of the housing 12 or removed as a whole. The door 112 covers a door opening 114, behind which the separator 30 is positioned in the housing 12.
  • the door 112 is firmly fixed to the separator device 30.
  • the separator device 30 When the separator device 30 is correctly positioned in the housing 12, then the door 112 "automatically” closes the door opening.
  • a filter box 116 ( Figures 7 and 8) is provided in which the separator device 30 is arranged.
  • the filter box 116 forms a unit which is positionable as a whole in the housing 12 of the vacuum cleaner 10 and can be removed from the housing 12 of the vacuum cleaner 10.
  • the door 112 is fixed to the filter box 116.
  • the filter box 116 has an input connection 118, which is fluidically connected to the housing connection 56 when the filter box 116 is positioned in the housing 12.
  • a suction flow 118 which is dirt laden, enters the filter box 116 through the input port 118.
  • the filter box 116 has an output port 120. From the output port 120 enters a filtered suction flow, the dirt loading is significantly lower than the suction flow, which occurs at the input port 118.
  • the output port 120 is fluidly connected to the suction unit 32.
  • fixing means are provided, which serve for fixing (fixed positioning) of the filter box 116 in the housing 12. Accordingly, the filter box 116 has corresponding means.
  • the separator device is as
  • Filter separator device is formed and is multi-level. The corresponding stages are arranged in the filter box 116.
  • the filter separator 30 comprises a "heavy dust" pre-separator 122 and a dust filter means 124. Based on a flow guidance for a dirty suction flow, the pre-separator 122 precedes the filter device 124 for (fine) dust.
  • the pre-separator 122 comprises a receiving basket 126, which in particular is designed as a mesh basket.
  • the receiving basket 126 is made of a plastic material, for example.
  • the receiving basket 126 has, for example, the shape of a truncated cone with openings 128 defined by the lattice structure.
  • a mesh structure 129 for example in the form of a woven fabric, is arranged at the openings 128 (compare FIG. 8), but the mesh structure lies at all openings 128, but is drawn only for one ).
  • the mesh structure 129 defines via a mesh size which dust particles are collected in size in the receptacle basket 126 and which are transmitted to the filter device 124. Typical values for mesh sizes of the mesh structure are in the range between (inclusive) 100 ⁇ and 200 ⁇ . Coarse dust collected by the pre-separator 122 then consists of particles of mean diameter greater than the mesh width and particulate matter collected by the filter means 124 of particles of mean diameter smaller than the mesh width.
  • the receiving basket 126 has a receiving space 130. Through the receiving space 130, a dirt-laden suction flow is performed during operation of the vacuum cleaner 10.
  • the meshes of the mesh structure 129 of the mesh basket provide for flow through.
  • the receiving basket 126 is associated with a lid 132.
  • the lid 132 serves to cover the receiving basket 126 toward a side 134, which faces away from the outlet connection 120.
  • the lid 132 has a port 136 for a Saugstrom für.
  • the port 136 is in fluid communication with the input port 118 of the filter box 116 or forms that port.
  • connection is arranged on the receiving basket 126.
  • a ring 138 is positioned on the side 134 (upper side).
  • the rim 138 may be a part which is separate from the remaining receiving basket 126 and which is fixed, or may be integrally connected to the receiving basket 126.
  • the ring 138 serves to fix the receiving basket 126 to the filter box 116 and is in particular formed circumferentially.
  • the filter box 116 for this purpose comprises a housing 140 with a wall 142. On an inner side of the wall 142, a web element 144 is arranged, which projects away from the wall 142 in an interior of the housing 140.
  • the collar 138 has a peripheral flange 146, which rests against the web element 144 in a contact region when the receiving basket 126 is positioned on the filter box 116.
  • Bar element 144 is a "fall down" of the receiving basket 126 locked. Furthermore, the rim 138 has a bracket 148 which sits on the flange 146 outside the abutment region for the web element 144. Between the bracket 148 and the receiving basket 126, a free space 150 is formed. The bracket 148 protrudes from the side 134 in the direction of a bottom 152 of the receiving basket 126th
  • the receiving basket 126 is suspended in the housing 140 of the filter box 116 via the collar 138. Agility down is blocked by the flange 146 and the bracket 148. About the bracket 148 is a mobility in a direction across (with some play) locked.
  • the receiving basket 126 can be fixed to the filter box 116 via the ring 138 in a simple and in particular tool-free manner by hanging on the housing 140 and can be correspondingly removed without tools in a simple manner.
  • the abutment region of the flange 146 for the web element 144 is in particular arranged diametrically opposite the yoke 148.
  • the lid 132 is formed as a hinged lid. At the rim 138, a hinged joint 158 is arranged.
  • the folding joint 158 is arranged in particular opposite the bracket 148. In this area, the rim 138 is reinforced due to the bracket 148 and the folding joint 158 can thereby be easily integrated into the rim 138 in this area.
  • the lid 132 has an underside 162, which faces the receiving space 130 and the bottom 152 when the lid is closed.
  • the pin-shaped influencing element 160 sits on the underside 162 projecting transversely beyond this. When the lid 132 is closed, the pin-shaped influencing element 160 is immersed in the receiving space 130.
  • the lid 132 has a centerline 164 and a midplane 166.
  • the pin-shaped action element 160 sits between the center line 164 or the center plane 166 and the folding joint 158. It sits in particular closer to the hinged joint 158 than to the center line 164.
  • the pin-shaped action element 160 is formed so that upon opening the lid 132 by opening it by the receiving space 130 is moved through (see Figures 8 and 10) and thereby does not touch a wall of the receiving basket 126 or the movement of the lid 132 is not limited by abutment of the pin-shaped action element 160 to such a wall.
  • the pin-shaped influencing element 160 is in particular wedge-shaped (see FIG. 10) with a first side 168a and an opposite second side 168b, which are oriented at an acute angle to one another.
  • the filter box 116 with the pre-separator 122 can be removed from the housing 12.
  • the receiving basket 126 with the lid 132 is removable. It is releasably fixable to the filter box 116.
  • the lid is not fixed directly to the receiving basket 126, but to the filter box 116 outside of the receiving basket 126. This can be removed without lid.
  • the pin-shaped acting element 160 is moved by the dirt. This will be relaxed. As a result, emptying of the receiving basket 126 is facilitated.
  • the pin-shaped element 160 can also take dirt in the manner of a blade, in order also to facilitate the emptying.
  • a receiving basket 126 'with a lid 170 ( Figures 11 to 14) is provided.
  • the receiving basket 126 ' is basically the same design as the receiving basket 126, wherein the receiving basket 126' has a ring 172.
  • the lid 170 is designed as a rotary lid which can be fixed by means of a bayonet closure to the receiving basket 126 '.
  • the receiving basket 126 'arranged rim 172 includes angle tabs 174.
  • four angle brackets are provided at an angular distance of 90 °.
  • An angle lug 174 has a recess 176 in which the lid 170 is immersed with an edge region 178. As long as this edge area 178 is immersed in the recess 176, prevents an angular tab 174 a recess of the lid 170 upwardly from a bottom 152 'of the receiving basket 126' away.
  • the lid 170 itself is provided with corresponding to the angle tabs 174 recesses 180. In the embodiment shown, four recesses 180 are provided at an angular distance of 90 °.
  • a recess 180 is located in the recess 176 of an angle lug 174, then the corresponding angle lug 174 no longer blocks the liftability of the cover 170, that is, if the recesses 180 are brought into correspondence with the angle lugs 174, then the Cover 170 lifted off to the top.
  • the lid 170 In a locking position of the lid 170, the lid 170 is positioned such that the edge area 178 lies within an angle tab 174.
  • the lid 170 is configured to have a lateral stop 182 on the lid 170 which can abut an angled tab 174. Characterized a further rotation of the lid 170 is locked relative to the rim 172. Starting from the abutment of an angle lug 174 on the lateral stop 182, the cover 170 can be rotated so that the recess 180 correspond to the recesses 176 of the angle tabs 174. The lid 170 can then be lifted off.
  • a plurality of pin-shaped interaction elements 186 are seated on an underside 184. These sit in particular as flags on the cover 170.
  • the pin-shaped active elements 186 dip into the receiving space 130. They can reach down to the bottom 152 '.
  • a plurality of pin-shaped elements 186 are provided diametrically opposite one another.
  • a pin-shaped active element 186 may be formed with multiple teeth or may be made to increase the surface, for example, as a bundle of a plurality of spaced or interconnected tube.
  • a port 188 corresponding to the port 136 for a Saugstrom effet is provided on the lid 170.
  • the lid 170 is removed.
  • the lid 170 is rotated.
  • dirt is released and / or dirt remains adhering to the pin-shaped influencing elements 186.
  • the receiving basket 126 ' can be emptied more easily, or dirt adhered to the pin-shaped engaging members 186 can be shaken off.
  • the pin-shaped active elements 186 and 160 in the lid 132 and the lid 170 the receiving basket 126 or 126 'of the pre-separator 122 can be emptied after removal from the housing 12 in a simple manner.
  • dirt is "shoveled" into the receptacle 126 or 126 'and dirt deposits are thereby released.
  • a pin-shaped active element 186 can also serve as an adhesive element for dirt.
  • the filter means 124 for dust which is disposed downstream of the pre-separator 122 ("coarse stage") as a second stage (“fine stage”) of the filter separator, is positioned in the housing 140 of the filter box 116. It is in particular releasably positioned in the housing 140.
  • corresponding tongue-shaped engagement means 190 for the filter means 124 are disposed on the wall 142 to facilitate cleaning of the filter means 124 in the housing 140.
  • the filter device 124 is configured as a cartridge filter 192.
  • the filter device 124 comprises a filter element 194, which is, for example, tubular with filter pleats 198.
  • the filter pleats 198 are seated on a bottom 196, via which the filter device 124 is fixed to the housing, for example via a bayonet connection.
  • An opening in the filter element 194, which is surrounded by filter material of the filter folds 198, and an opening in the bottom 196 corresponds to the output port 120 of the filter box 116.
  • the output port 120 is formed on the bottom 196 via the filter device 124.
  • the filter element 194 is closed with respect to its interior to the pre-separator 122 out. Spaces between filter pleats 198 are open to the pre-separator 122.
  • a suction flow (indicated by the reference numeral 200 in FIG. 9) then enters the filter device 124 and there between filter folds 198 via an end face 202 of the filter element 194. The suction flow flows through the filter material of the filter folds 198, wherein
  • the filter element 194 does not penetrate, that is, to hang on the filter element 194 substantially.
  • the dust loading is compared to the suction flow, which is coupled into the input port 118, considerably less dust laden.
  • the engagement means 190 act on filter pleats 198 and "shake" them, thereby releasing adhered dust particles. As a result, a dust load of the environment when emptying the filter box 116 can be reduced.
  • the filter box 116 is removed from the housing 12 of the vacuum cleaner 10, then, as mentioned above, the receiving basket 126 or 126 'can be removed and emptied.
  • the filter device 124 (in particular in the form of a cartridge filter 192), which is in particular clipped into the housing 140 via the bottom 196, be removed, and exchanged or be shaken out, with dust then over the end face 202 of the Filter device can be emptied.
  • the suction unit 32 has a suction nozzle 204.
  • the outlet port 120 of the filter box 116 is fluidly connected to this suction nozzle 104.
  • the suction unit 32 downstream of an exhaust filter 206 is arranged.
  • the exhaust air filter 206 is used in particular for filtering engine abrasion.
  • the blower motor 34 is associated with a Strömungsumschelement 208.
  • the Strömungsumschelement 208 is formed in particular as a hood.
  • the flow diverter 208 is positioned about the blower motor 34 between the filter box 116 and the exhaust filter 206.
  • the flow diverter has a corresponding wall defining a first flow area 210 and a second flow area 212 with opposite main flow directions.
  • the second flow area 212 annularly surrounds the first flow area 210.
  • a reverberant wall made of a reverberant material having a sound reflectance of at least 94%.
  • the wall at the transition is in particular annular.
  • the transition is formed in an area around the blower motor 34.
  • a foam ring is arranged in one embodiment.
  • the housing 12 has a closable lid 216 in the region of the exhaust filter 206 to allow access to the exhaust filter 206 for its replacement.
  • the lid 216 is arranged, for example, adjacent to the first housing side 16.
  • a space 218 is formed between the housing wall 38 and the filter box 116 and the suction unit 32, which extends in the first extension axis 20 and occupies substantially an entire housing height between the exhaust filter 206 and the second housing side 18.
  • a space 220 is formed in the housing 12, which then merges into the space 218.
  • the space 220 between the first housing side 16 and the exhaust air filter 206 serves as a deflection region for the flow deflection into the space 218.
  • a plurality of openings 222 is arranged, wherein the openings along a direction parallel to the first extension axis 20 are arranged spaced.
  • the openings 222 are fluidly connected to the exterior. Exhaust air of the suction unit 32, which is purified air, can escape via the openings 222 from the room 218 in the outer space.
  • an open-porous structure 224 for example in the form of foam elements.
  • an open porous structure is arranged, which is formed for example by a foam.
  • a flow path 226 on the vacuum cleaner 10 for a suction flow during operation of the vacuum cleaner 10 comprises a first region 228, which lies in the tube device 14.
  • a dirt laden suction stream flows through the first region 228 in the tube assembly 14 to the connecting tube 58.
  • a main flow direction of the flow in this first region 228 is substantially parallel to the second extension axis 44.
  • a second area 230 of the flow path 226 is formed between the housing connection 56 and the exhaust filter 206.
  • the main flow direction is substantially parallel to the first extension axis 20 and opposite to the main flow direction in the first region 228.
  • the flow deflection element 208 on the blower motor 34 thereby takes place within the second region 230, a flow reversal, which serves in particular to reduce the noise emission.
  • a third region 232 is formed.
  • exhaust air flows from the suction unit 32, which is purified air.
  • a main flow direction is at least approximately parallel to the first extension axis 20 and the main flow direction is parallel to the main flow direction in the first region 228 and opposite to the main flow direction in the second region 230, respectively.
  • the space 220 serves as a deflection region for deflecting the flow from the second region 230 into the third region 232.
  • the flow paths are indicated.
  • paths of the order of magnitude of a height of the housing 12 are circulated approximately three times, namely first flows through a dirt-laden suction the second region 228, then the second region 230, wherein a cleaning, and the clean exhaust air flow then flows through the third region 232nd and is delivered to the environment.
  • the flow deflection element 208 with a corresponding design of the transition 214 likewise ensures low noise emission.
  • the air flow is deflected by the Strömungsumschelement 208 efficiency neutral in particular to reduce the noise emission.
  • the tube device 14 is telescopic ( Figures 15 to 25).
  • the tube device 14 includes for this purpose the third tube 52, which is fixedly mounted on the housing wall 38.
  • the third tube 52 has an extension in the second extension axis 44.
  • the third tube 52 is particularly rigid.
  • the second tube 48 is arranged while guided longitudinally displaceable in the direction of the second extension axis 44.
  • the second tube 48 is also rigid. It is designed in particular in the form of a cylinder ring. Accordingly, an interior of the third tube 52 is (hollow) cylindrical.
  • the first tube 46 is arranged longitudinally displaceable on the second extension axis 44.
  • the first tube 46 is formed annular cylindrical. Accordingly, the second tube 48 has a (hollow) cylindrical interior.
  • the nozzle port 24 is disposed on the first tube 46.
  • Corresponding relative positions of the second tube 48 to the third tube 52 are detectably adjustable. Accordingly, positions of the first tube 46 to the second tube 48 (and thus also to the third tube 52) are detectably adjustable.
  • the pipe device 14 is assigned a first locking device 240 (cf., for example, FIG. 19), which acts between the first pipe 46 and the second pipe 48 and fixes the first pipe 46 on the second pipe 48 in a locking position. This locking position is detachable.
  • the tube device 14 is associated with a second locking device 242 which acts between the third tube 52 and the second tube 48.
  • the second locking device 242 fixes the second tube 48 to the third tube 52 in a locking position. This locking position of the second locking device 242 is releasable.
  • a third locking device 244 is assigned to the tube device.
  • This third locking means 244 acts between the first tube 46, the second tube 48 and the third tube 52. In a releasable locking position of the third locking means 244, this secures the second tube 48 to the third tube 52.
  • This locking position is releasable in an unlocked position. In the unlocking position of the third locking device 244, a displaceability of the second tube is released to the third tube 52, but by the second locking position 242 a specific position of the second tube 48 to the third tube 52 can be fixed.
  • the transition from the locking position of the third locking device 244 to the unlocking position is predetermined via the first tube 46.
  • a position of the first tube 46 to the second tube 48 determines the transition from the locked position to the unlocked position of the third latch 244.
  • a force action determines that transition.
  • the first locking device 240 includes a first submerging element 246.
  • This first submerging element 246 is, for example, a ball or a roller.
  • First recesses 248 are arranged at a distance from the first tube 46 in a direction along the second extension axis 44, cf. also FIGS. 15 (a), 15 (b) and 16.
  • three spaced first recesses 248 are disposed on the first tube 46.
  • a first recess 248a proximate to the nozzle port 24 defines the position of the first tube 46 relative to the housing 12 and thus the position of the nozzle port 24 for the posture 22.
  • the first submerged element 246 is immersed in the first recess 248a and the first locking device 240 is locked, then the position of the nozzle port 24 is reached to the first housing side 16, in which the first fixing device 92 and the second fixing device 94 can cooperate with each other to fix the stand position 22. This position is shown in Figures 1 to 4.
  • the first locking device 240 also has a movable first blocking element 250 (cf., for example, FIG.
  • This movable first blocking element 250 has a contact region 252 for the first immersion element 246. If this abutment region 252 is above the first immersion element 246, then the first immersion element 246 is thereby held in the corresponding first recess 248 and the locking position is established.
  • the locking position of the first locking device 240 is shown. Adjacent to the abutment region 252, the first blocking element 250 has a first receptacle 254. The first receptacle 254 has a chamfered wall 256 facing the abutment region 252.
  • first immersion element 246 can emerge from the corresponding first recess 248 and dip into the first receptacle 254.
  • a recess 258 is formed, which is continuous.
  • longitudinal displacement between the first tube 46 and the second tube 48 is blocked.
  • the first receptacle 254 is located above the recess 258 by correspondingly positioning the first locking member 250, then the first submersible member 246 may completely escape from the first receptacle 254 and, accordingly, the mobility of the second tube 48 to the first tube 46 is released.
  • the first blocking element 250 is arranged on a guide 260 and guided longitudinally displaceably in a direction parallel to the second extension axis 44.
  • a rear part device 262 is arranged, which is formed in particular by one or more springs.
  • the rear part device is positioned on the guide 260. If the first blocking element 250 is displaced so that the first receptacle 254 lies above the recess 258, then the force of the restoring device 262 must be overcome. Without external force acting on the first blocking element 250, this recoils and the abutment region 252 covers the recess 258 and thereby holds the first immersion element 246 in the first receptacle 254 and thereby in turn blocks a longitudinal displaceability of the first tube 46 to the second tube 48.
  • the second locking device 242 has a second immersion element 246, which is, for example, spherical or roller-shaped. Second recesses 266 are arranged on the second tube 48 in a direction parallel to the second extension axis 44. On the third tube 52, a through recess 268 is arranged. In a locking position, the second immersion element 264 sits in the second recess 266 and the recess 268, that is, immersed in this.
  • the second locking device 242 furthermore has a second blocking element 270, which comprises an abutment region 272.
  • the abutment region 272 basically has the same function as the abutment region 252 of the first blocking element 252. Accordingly, the second blocking element 270 has a second receptacle 274.
  • the second immersing element 246 is in a corresponding second recess 266th and the recess 268 is immersed and the abutment portion 272 overlies the second immersion member 264 and secures this position.
  • the second receptacle 274 is brought via the second immersion element 264, that is to say via the recess 268, and the second immersion element 264 can dip out and thereby dip into the second receptacle 274.
  • the positive connection between the second tube 48 and the third tube 52 is released and the locking position for the second locking device 242 is lifted.
  • the second blocking element 270 is guided longitudinally displaceably on a guide 276.
  • a displacement direction is parallel to the second extension axis 44.
  • the second blocking element 270 is associated with a rear part device 278, which is formed in particular by a spring.
  • the force of the back part device 278 must be overcome.
  • a corresponding external force is necessary.
  • the return device 278 ensures a return displacement of the second locking element 270 in order to bring the abutment region 272 over the second immersion element 264 and to press it into a corresponding second recess 266.
  • a multiplicity of corresponding second receptacles 274 are arranged on the second tube 48 in order to enable a corresponding variable adjustment and fixing of the position of the second tube 48 to the third tube 52.
  • a slider 280 (for example, Figure 4) is arranged on the housing 12 of the vacuum cleaner 10. This slider 280 is guided longitudinally displaceable parallel to the second extension axis 44. An upper side of the second slider 280 protrudes beyond the second housing side 18, in order to enable operability and in particular to enable printing operability.
  • the slider 280 extends along the housing wall 38 and thereby along the third tube 52 to the second locking element 270.
  • the second locking element 270 is force-transmitting connected to the slider 280. For example, the connection is fixed.
  • the second blocking element 270 is seated approximately at the level of an upper portion of the blower motor 34.
  • the slide 280 it is also possible for the slide 280 to be arranged so as to be longitudinally displaceable on the tube device 14.
  • the first blocking element 250 is coupled to the slider 280, but not permanently connected thereto.
  • the second blocking element 270 (FIG. 19) has, in continuation of the contact region 252, an end-face end 282. With this front end 282, the second blocking element 270 can act on the first blocking element 250 and, by displacement of the slide 280 and thus of the second blocking element 270, basically the first blocking element 250 can be displaced in the same direction, as long as the second tube 48 is not opposite the third tube 52 is moved.
  • the guide 260 for the first blocking element 250 is fixedly connected to the second tube 48.
  • the guide 276 for the second blocking element 270 is fixedly connected to the third tube 52.
  • the third locking device 244 comprises a third immersing element 284, which is designed in particular as a roller or ball.
  • the third immersion element 284 is positioned relative to a direction along the second extension axis 44 between the first immersion element 246 and the second immersion element 264.
  • a receptacle 286 for the third immersion element 284 is formed on the third tube 52.
  • a receptacle 288 for the third immersion element 284 is formed on the second tube 48.
  • the second tube 48 can not be displaced in the third tube 52 when the third locking device 244 is in its locking position, in which the third immersing element 284 in FIG the receptacle 286 and in the receptacle 288 sits.
  • the receptacle 288 in the second tube 48 is open to the first tube 246.
  • a wall 290 of the first tube blocks a mobility and thus an ability to exchange the third immersion element 284 from the receptacles 286 and 288.
  • the first tube 46 has, adjacent to an end 292, which faces away from the nozzle connection 24, a recess 294 for the third immersion element 284 (cf., for example, FIG. 20 or FIG.
  • This recess 294 is seated on a side other than the first recesses 248.
  • the recess 294 and the first recesses 248 are arranged diametrically opposite one another.
  • first dip element 284 is diametrically opposed to the second dip element 264 (where it may be positioned at a different height position with respect to the second extension axis 44).
  • the recess 294 is associated with the third immersion element 284.
  • the locking position of the third locking device 244 is present when the third immersing element 284 is not immersed in the recess 294.
  • the third immersing element 284 from the receptacle 286 of the third tube 52 can dive.
  • the positive connection between the second tube 48 and the third tube 52 is released and the unlocking position is reached, in which the third locking device 244 releases the locking of the third tube 52 in the second tube 48.
  • this unlocking position of the third locking device 244 acts with respect to the determination of the position of the second tube 48 to the third tube 52, only the second locking device 242.
  • the transition from the locking position of the third Verriegelungseinrich- device 244 in the unlocked position is determined by the position of the first tube 46 to the second tube 48, namely, when the recess 294 is positioned opposite the third immersing element 284 and the third immersion element 284 in the recess 294th dips. In this position, a maximum telescopic position of the first tube 46 is reached to the second tube 48.
  • the recess 294 is arranged so that the third immersion element 284 can only dip when the first locking device 240 is in a locking position.
  • a height distance between the recess 294 and the corresponding highest first recess 248 (designated 248b in FIG. 25) is such that it corresponds to a distance between the first immersion element 246 and the third immersion element 284.
  • the relative height distance along the second axis of extent 44 between the first dip element 246 and the third dip element 284 remains constant regardless of the position of the first tube 46 to the third tube 52 and the second tube 48 to the third tube 52; when the third immersion element 284 is out of the receptacle 286 of the third tube 52 and immersed in the recess 294, then it is entrained by the movement of the second tube 48 to the third tube 52 with the second tube 48. Since the guide 260 is fixedly disposed on the second tube 48 and the third immersion element 284 is fixed in a direction parallel to the second extension axis 44 with respect to the second tube 48, the described entrainment takes place.
  • the transition from the locking position to the unlocked position of the third unlocking device 244 is force-controlled.
  • no immersion element corresponding to the third immersion element 284 is provided.
  • a force (instead of a positive connection via a submersible) ensures a frictional coupling between the third tube 52 and the second tube 48 for the corresponding determination of the relative position. If, for example, by appropriate positioning of the first tube 46, the force is then such that no non-positive coupling is present, then the unlocked position is reached.
  • a force-applying element 296 is provided, such as a spring-loaded lever element.
  • the tube device 14 with the locking devices 240, 242, 244 functions as follows:
  • the second tube 48 In the standing position 22 of the vacuum cleaner 10 (see Figures 1 to 4), the second tube 48 is fully immersed in the third tube 52 within its movement distance completely. The first tube 46 is completely immersed in the second tube 48 within its movement distance. The position of the second tube 48 is fixed relative to the third tube 52 by the second locking device 242 and the third locking device 244.
  • the nozzle connection 24 projects beyond the first housing side 16 so far that the floor nozzle 76 can be fixed and, in the position of standing, the first fixing device 92 can engage the second fixing device 94.
  • the length of the tube device 14 is increased for a suction operation based on the position 22.
  • the first tube 46 is first extended out of the second tube 48.
  • the slider 280 is actuated and moved downwards, that is, moved in the direction of the nozzle port 24. It displaces the second blocking element 270 and, via abutment of the front-side end 282, also the first blocking element 250.
  • the displacement of the first blocking element 250 causes, when the first receptacle 254 lies above the recess 258, an immersion of the first immersion element 246, in which case the positive connection between the first tube 46 and the second tube 48 is lifted and the first tube 46 relative to the second tube 48 is displaceable.
  • a corresponding displacement position is locked by stopping the force on the slider 280 without corresponding immersion of the immersion member 246 in a recess 248 and depending on the desired longitudinal position and holding over the contact area 252.
  • the second locking device 242 Upon actuation of the slider 280, the second locking device 242 is locked simultaneously with the first locking device 240. Due to the third locking device 244, however, the second tube 48 remains fixed to the third tube 52, as long as the third immersion element 284 is not immersed in the recess 294.
  • FIGS. 15 (a), 15 (b) and 16 different positions of the first tube 46 to the second tube 48 are shown, with the second tube 48 fixed to the third tube 52 via the third latch 244.
  • the positions of the first tube 46 to the second tube 48 indicated in FIGS. 15 (a) and 15 (b) are positions with the locking position.
  • the position of FIG. 15 (a) corresponds to a position for a hand suction operation.
  • the position of Figure 15 (b) corresponds to a position for a bottom suction operation for a small operator.
  • the position of the nozzle port 24 and thus also a suction nozzle relative to the first housing side 16 is adjustable within the predetermined distance.
  • FIG. 20 shows a locking position for the first locking device 240, the second locking device 242 and the third locking device 244, which corresponds to the standing position 22, that is to say in which the tube device 14 has a minimum length.
  • FIG. 21 shows a position of the pipe device 14 which corresponds to the position according to FIG.
  • first tube 46 is pulled out of the second tube 48 so far that the third immersion element 284 can penetrate into the recess 294 in the region of the end 292, then a locking position of the first locking device 240 is reached.
  • the third locking device 244 is now in an unlocked position and basically the second tube 48 is longitudinally displaceable relative to the third tube 52 and the second locking device 242 now determines a displaceability of the second tube 48 to the third tube 52 and a determination of a displacement position by adjusting the corresponding Locking position of the second locking device 242.
  • Figures 17, 18 and 22 corresponding different positions for locked positions of the second tube 48 to the third tube 52 are shown.
  • the first latch 250 is decoupled from the slider 280 and thus from a second latch 270. See . for example, Figure 22.
  • the first blocking element 250 is spaced from the second blocking element 270. If, starting from an extended position, the second tube 48 is pushed back into the third tube 52 within its corresponding distance by locking the second locking means 242, then an end position is reached when the first locking member 250 contacts the face end 282 of the second locking member 270 strikes.
  • actuating the slider 280 a locking position of the first locking device 240 can then be achieved and the third immersion element 284 can dip into the receptacle 286.
  • the second tube 48 is fixed to the third tube 52 and the first tube 46 can be moved in the second tube 48. It is then the stand position 22 again.
  • a length of the tube device 14 can be set over a large length range via (at least) three tube elements 46, 48, 52. It must be provided only one operating element, namely the slider 280. This results in a high ease of use.
  • the position of the slider 280 determines whether the second locking means 242 (and the first locking means 240) are in the locking position or not, starting from the stand position 22. If the first locking device 240 is not in the locking position, then the first tube 46 can be moved relative to the second tube 48. A displaceability of the second tube 48 to the third tube 52 is predetermined by the position of the first tube 46 to the second tube 48, without an additional operating element must be provided.
  • the length adjustment of the tube device 14 has a high operating comfort.
  • the solution according to the invention can also be transferred to a tube device with more than three tubes.
  • the tube device with the three tubes 46, 48, 52 and the corresponding locking devices 240, 242, 244 effectively forms a basic cell for a construction with more than three tubes.
  • a vacuum cleaner 10 which has extensive deployment functions. It can be used as a vacuum cleaner by the floor nozzle 26 is brought from the stand position 22 by displacement of the nozzle port 24th
  • the vacuum cleaner 10 can be stored in the stand position 22 to save space.
  • the vacuum cleaner 10 can also be used as a hand vacuum cleaner, which is kept free and is not supported for example on a floor.
  • the floor nozzle 26 is then replaced by a corresponding suction nozzle.
  • the required length can be adjusted via the tube device 14 by means of operation of the slider 280 in a simple manner.
  • the vacuum cleaner 10 can be realized in a compact, space-saving manner. It can be trained with relatively low mass and can be used quickly. He may, at the discretion of the user due to the stand function in the stand Position 22 can be parked to save space, without a wall for leaning or the like is needed.
  • the flow path 226 and also the flow regions 210, 212 result in a reduced noise emission with a low flow loss, with the means for sound reduction not having a relevant effect on the performance of the vacuum cleaner 10 with regard to its suction function.
  • pin-shaped active elements 116, 186 on the pre-separator 122 can be carried out in a simple way a dirt emptying.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

L'invention concerne une unité tubulaire réglable en longueur pour un appareil de nettoyage (10) comprenant : au moins un premier tube (46), un deuxième tube (48) et un troisième tube (52), le premier tube (46) étant déplacé longitudinalement dans le deuxième tube (48) et le deuxième tube (48) étant déplacé longitudinalement dans le troisième tube (52) ; un premier dispositif de verrouillage (240) qui agit entre le premier tube (46) et le second tube (48), le premier tube (46) étant fixé au deuxième tube (48) par rapport au déplacement longitudinal dans une position de verrouillage amovible du premier dispositif de verrouillage (240) ; un deuxième dispositif de verrouillage (242) qui agit entre le deuxième tube (48) et le troisième tube (52), le deuxième tube (48) étant fixé au troisième tube (52) par rapport au déplacement longitudinal dans une position de verrouillage amovible du deuxième dispositif de verrouillage (242) ; et un troisième dispositif de verrouillage (244) qui agit sur le premier tube (46), le deuxième tube (48) et le troisième tube (52), le troisième dispositif de verrouillage (244) comportant une position de verrouillage amovible dans laquelle le deuxième tube (48) est fixé au troisième tube (52) par rapport au déplacement longitudinal, et une position de déverrouillage dans laquelle un déplacement longitudinal du deuxième tube (48) par rapport au troisième tube (52) est débloqué, le troisième dispositif de verrouillage (244) concernant la transition de la position de verrouillage à la position de déverrouillage étant commandé par une position du premier tube (46) par rapport au deuxième tube (48) et/ou par une force avec laquelle le troisième dispositif de verrouillage (244) agit sur le deuxième tube (48).
PCT/EP2015/054749 2015-03-06 2015-03-06 Unité tubulaire réglable en longueur et appareil de nettoyage WO2016141957A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP15707998.9A EP3264963B1 (fr) 2015-03-06 2015-03-06 Dispositif de tuyaux telescopiques et appareil de nettoyage
PCT/EP2015/054749 WO2016141957A1 (fr) 2015-03-06 2015-03-06 Unité tubulaire réglable en longueur et appareil de nettoyage
CN201580077419.XA CN107427176B (zh) 2015-03-06 2015-03-06 长度能调整的管件装置和清洁器具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/054749 WO2016141957A1 (fr) 2015-03-06 2015-03-06 Unité tubulaire réglable en longueur et appareil de nettoyage

Publications (1)

Publication Number Publication Date
WO2016141957A1 true WO2016141957A1 (fr) 2016-09-15

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CN (1) CN107427176B (fr)
WO (1) WO2016141957A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN109199233B (zh) * 2018-10-12 2021-09-07 苏州爱普电器有限公司 用于真空吸尘器的吸管组件以及多用途真空吸尘装置
CN111358339B (zh) * 2018-12-25 2021-07-30 江苏美的清洁电器股份有限公司 清洁设备

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DE202006016571U1 (de) * 2006-10-26 2007-12-13 Roxxan Gmbh Teleskopierbares Staubsauger-Saugrohr
WO2008136724A1 (fr) * 2007-05-07 2008-11-13 Ab Electrolux Tuyau en trois parties
US20090072528A1 (en) * 2007-08-21 2009-03-19 Dyson Technology Limited Wand for an appliance

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JPH0795993B2 (ja) * 1987-08-28 1995-10-18 株式会社テック 電気掃除機の接続管
DK1092383T3 (da) * 1999-10-11 2008-08-25 Omec Spa Teleskopudvidelse til et elektrisk husholdningsapparat
GB0105781D0 (en) * 2001-03-08 2001-04-25 Dyson Ltd Wand assembly for a vacuum cleaner
JP2006167340A (ja) * 2004-12-20 2006-06-29 Sharp Corp 電気掃除機の延長管
DE202005019308U1 (de) * 2005-12-08 2007-04-19 Roxxan Gmbh Teleskopierbares Staubsauger-Saugrohr
CN1843281A (zh) * 2006-04-25 2006-10-11 邬永龙 吸尘器用多节伸缩管
FR2910263B1 (fr) * 2006-12-22 2009-01-23 Seb Sa Conduit d'aspiration pour aspirateur.
DE102011116074A1 (de) * 2011-10-18 2013-04-18 Fischer Rohrtechnik Gmbh Staubsauger-Saugrohr

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Publication number Priority date Publication date Assignee Title
DE202006016571U1 (de) * 2006-10-26 2007-12-13 Roxxan Gmbh Teleskopierbares Staubsauger-Saugrohr
WO2008136724A1 (fr) * 2007-05-07 2008-11-13 Ab Electrolux Tuyau en trois parties
US20090072528A1 (en) * 2007-08-21 2009-03-19 Dyson Technology Limited Wand for an appliance

Also Published As

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EP3264963A1 (fr) 2018-01-10
EP3264963B1 (fr) 2019-05-01
CN107427176B (zh) 2020-06-05
CN107427176A (zh) 2017-12-01

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