EP3692880B1 - Hand-guided cyclone vacuum cleaner - Google Patents

Hand-guided cyclone vacuum cleaner Download PDF

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Publication number
EP3692880B1
EP3692880B1 EP20151567.3A EP20151567A EP3692880B1 EP 3692880 B1 EP3692880 B1 EP 3692880B1 EP 20151567 A EP20151567 A EP 20151567A EP 3692880 B1 EP3692880 B1 EP 3692880B1
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EP
European Patent Office
Prior art keywords
material container
vacuum cleaner
locking
device body
suction
Prior art date
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Application number
EP20151567.3A
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German (de)
French (fr)
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EP3692880A1 (en
Inventor
Cornelia Chwolka
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.)
Miele und Cie KG
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Miele und Cie KG
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Publication of EP3692880A1 publication Critical patent/EP3692880A1/en
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    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/24—Hand-supported suction cleaners
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1691—Mounting or coupling means for cyclonic chamber or dust receptacles

Definitions

  • the invention relates to a hand-held cyclonic vacuum cleaner, which is referred to below as a vacuum cleaner for the sake of simplicity.
  • the invention relates to a vacuum cleaner that has a suction material container for receiving suction material and a device body that can be detachably connected to the suction material container and has a drive unit that is designed to generate a suction air flow.
  • a cyclonic vacuum cleaner it is necessary for it to have a removable suction material container so that the suctioned material can be removed from the suction material container.
  • At least one sealing point must be contacted or loosened when the suction material container is placed on and loosened from the device body.
  • This at least one sealing point relates in particular to the intake and exhaust air suction flow of the separating system, which is connected upstream of the suction material container.
  • this at least one sealing point it is necessary for this at least one sealing point to be optimally pressed during operation, so that losses due to secondary air in addition to the suction air flow are minimized.
  • the EP 2 215 950 A2 discloses a hand-held cyclone vacuum cleaner with a suction material container for receiving suction material and a device body that can be detachably connected to the suction material container and has a drive unit that is designed to generate a suction air flow.
  • the invention therefore faces the problem of providing a vacuum cleaner which has an optimized sealing effect between the suction material container and the body of the device.
  • the advantages that can be achieved with the invention consist in the fact that a user of the vacuum cleaner is able to apply this sealing effect with relatively little effort and also to release it again easily.
  • a simple, non-destructive overcoming of the mechanism is possible, for example for assembly purposes.
  • a pressing force is provided by means of the described concept. During operation, sealing areas pull closer to the sealing point. This results in improved sealing when the vacuum cleaner is in operation. This optimizes the sealing effect between the vacuum container and the body of the device.
  • the invention relates to a hand-held cyclone vacuum cleaner, having a suction material container for receiving suction material and a device body which can be detachably connected to the suction material container and has a drive unit which is designed to generate a suction air flow, with an air duct located in the suction material container and a suction channel located in the housing body, when the suction material container and the housing body are in a connected state, have an air path of the suction air flow during operation, which is aligned along a flow axis that is parallel to an axis of movement when the suction material container and the device body are connected.
  • the vacuum cleaner is operated manually by the user.
  • the vacuum cleaner preferably also has a handle which can be connected to the suction material container and is connected to it during operation.
  • the vacuum cleaner can have a suction pipe, which can be connected to the suction material container and/or the device body and, if necessary, is connected to one of them during operation.
  • the suction tube can also be connected to the handle; this embodiment is advantageous if the suction pipe is connected to the suction material container during operation.
  • the suction tube can also be connected to a floor nozzle; this embodiment is advantageous if the suction tube is connected to the body of the device during operation and the suction material container is connected to the handle.
  • cyclone vacuum cleaner means a vacuum cleaner that is bagless and in which vortices and any turbulence are generated in an air flow entering the vacuum cleaner, whereby the suction material such as dust particles is pressed in a predetermined direction due to centrifugal force and separated will.
  • bagless means that the suction material in the vacuum cleaner is collected directly in the suction material container without a bag or a similar exchangeable filter medium for receiving suction material being arranged in it, so that the user can empty the suction material from the suction material container does not remove a bag or the like from the suction material container.
  • the vacuum cleaner can have one or more filter media which prevent the vacuumed material from getting into the drive unit arranged in the device body. Both the suction material container and the device body are preferably made of plastic.
  • the vacuum cleaner is preferably a cordless vacuum cleaner. That is, the vacuum cleaner has an accumulator and is designed to be operated as a power source by means of the accumulator.
  • the accumulator can be connected to the suction material container and/or the device body, preferably the device body.
  • the suction material container In an operational working position, the suction material container is located on a rear side or at the rear end of the vacuum cleaner, which means that it is closer to the user's hand and further away from the surface to be vacuumed than the device body.
  • the suction channel located in the device body transitions into the air channel located in the suction material container, i.e. during operation the suction air flow first flows through the suction channel and then through the air channel.
  • the suction material container is separated from the device body for emptying.
  • the suction material container is connected to the body of the device.
  • the drive unit generates a flow of suction air that flows through the suction channel of the body of the device and then through the air channel of the suction material container.
  • the device body and the suction material container are pulled towards one another by a prevailing negative pressure, since the air path of the suction air flow is aligned during operation along the flow axis, which is parallel to an axis of movement when connecting the suction material container and the device body. This achieves a high sealing effect between the two components.
  • the turbulence generated and any turbulence in the suction air flow are not taken into account; rather, what is meant is the path of the main flow direction of the suction air flow.
  • the body of the device has a base plate and a connecting piece extending away from the base plate
  • the vacuum container has a housing part and a pre-filter with a sleeve-like part which is arranged in the housing part, with one end of the housing part and an edge of the Device body have a complementary contour and the sleeve-like part can be placed on the socket.
  • the suction airflow also flows through the pre-cleaner and the stub, so that the suction airflow first flows through the suction duct, then the air duct, and then through a duct formed by the pre-cleaner and the stub.
  • the flow axis of the suction channel and the air channel is preferably parallel to the flow axis of the channel formed by the pre-filter and the connection piece.
  • the air duct and the duct formed by the socket and the pre-filter are preferably connected by a connecting duct.
  • the flow axes of the suction duct and the air duct are parallel to the flow axis of the duct formed by the nozzle and the pre-filter, but the main flow direction of the suction air flow flowing through the suction duct and the air duct is opposite to the main flow direction of the duct formed by the nozzle and the pre-filter, the main flow direction being a flow direction in which the vortices and any turbulence are disregarded.
  • the socket is preferably arranged in the direction of flow of the suction flow in front of the drive unit, for example in the form of a fan.
  • the sleeve-like part of the pre-filter preferably grips over the connection piece when the suction material container is placed on the device body.
  • the connecting piece preferably has a plurality of locking cams and the pre-filter has a plurality of locking geometries, each of which is designed and designed to accommodate a locking cam, each locking geometry having a slot which is open in the direction of the base plate when the suction material container is placed on the device body, and each having a locking portion extending away from the respective slot, closed towards the base plate and extending angularly away from the respective slot in the direction opposite to the base plate.
  • Each slot of each locking geometry is preferably designed to allow a locking cam of the connecting piece to be inserted at least partially into the sleeve-like part of the pre-filter when the suction material container is placed on the device body.
  • each locking geometry preferably has a geometry such that the suction material container can be placed in a predetermined position. This encodes the system.
  • Each locking geometry includes the one slot and the one locking portion extending from the respective slot.
  • the locking parts are closed towards the base plate and extend angularly from the respective slot in the direction opposite to the base plate. They therefore have an incline with respect to the respective slot.
  • the slots of the locking geometries are each formed in such a way that the locking cams are guided in the slots when the prefilter is placed on the connection piece. This placement is realized by the user without any effort. From this position, the sleeve-like part of the pre-filter can be rotated in such a way that the locking cams can be inserted into the respective locking part.
  • the sleeve-like part of the pre-filter and the connection piece are preferably designed in such a way that when the locking cams are rotated in the respective locking part, the suction material container pulls over the locking cams onto the connection piece via the slope of the locking part located in the pre-filter. A stroke resulting from this is preferably in the range of 2 to 4 mm. Due to this thread-like construction, a high sealing force can be applied with comparatively little manual force.
  • connection piece and the pre-filter are preferably each configured conically, at least in part.
  • the connecting piece is preferably equipped with a conical geometry, which is designed to rest on the pre-filter via a sealing area during the stroke when the suction material container is connected to the device body.
  • the pre-filter is preferably also conical in the sealing area, i.e. the sleeve-like part is preferably at least partially conical.
  • a seal between the suction channel and the air channel is also provided by placing the suction material container on the body of the device.
  • the conical geometry of the connection piece is preferably also designed in such a way that when the suction material container is detached from the device body, the incline of the locking part causes the connection piece and the pre-filter to be easily separated from one another.
  • a surface seal is provided by means of the conical configuration.
  • the locking cams are preferably distributed at a uniform angle over the circumference of the connecting piece and the locking geometries are distributed evenly over the circumference of the pre-filter. This results in a uniform distribution of a force when locking the suction material container on the device body.
  • the connecting piece has three locking cams and the pre-filter has three locking geometries.
  • the vacuum cleaner has an operating element that is connected to the suction material container in such a way that the suction material container is arranged between the operating element and the device body and that the operating element can be rotated from an open position to a closed position and vice versa.
  • the operating element is preferably designed to lock or release the suction material container on the device body.
  • the suction material container is detached or releasably connected to the device body (i.e. the suction material container can be detached from the device body by pulling it with as little force as possible).
  • the control element is arranged in the closed position, the vacuum container is connected to the body of the device, i.e. it cannot be detached from it by pulling it. Rather, the operating element must be rotated from the closed position to the open position so that the suction material container can be detached from the device body by pulling it.
  • the locking geometries are preferably designed in such a way that in the connected state of the suction container and the housing body, the locking cams are inserted into the respective locking part when the operating element is in the closed position, and, when the operating element is arranged in the open position, in inserted into the respective slot.
  • the vacuum cleaner is designed in such a way that when the operating element is rotated into the closed position, the suction material container moves over the gradient in the locking geometry, ie the locking part, located in the pre-filter pulls the locking cam onto the socket.
  • the stroke that results from this is preferably in the range of 2 to 4 mm.
  • the vacuum cleaner has inlet bevels, which are each arranged on the pre-filter adjacent to one of the locking parts and adjacent to the slot assigned to the respective locking part, with the locking cams each having a chamfer on their end that is directed towards the inlet bevel when the suction material container is placed on the device body have side.
  • the pre-filter When the pre-filter is placed on the connecting piece, it springs open as a result of contact between the locking cams and the inlet bevels, and the locking cams jump into the locking parts of the locking geometries in an end position. This allows the pre-filter to be placed on the connection piece without the locking cams having to be guided in the slots.
  • the suction material container does not have to be rotated during assembly in the production of the vacuum cleaner in order to connect it to the device body. As a result, the suction material container can be connected to the body of the device even when the operating element is in the closed position.
  • the vacuum cleaner shown has a suction material container 1 for receiving suction material with a housing 12 . Furthermore, the vacuum cleaner has a device body 2 which can be detachably connected to the suction material container 1 .
  • the device body 2 has a base plate 13, a connecting piece 5 extending away from the base plate 13 and a housing part 15 extending away from the base plate 13 .
  • the socket 5 is arranged inside the housing part 15 which extends away from the base plate 13 in the same direction as the socket 5 .
  • One end of the housing 12 and the end of the housing part 15 have a complementary contour that can be placed when the suction material container 1 is arranged on the device body 2 .
  • the device body 2 has two additional sockets 14 which can be connected to a suction tube (not shown) and/or a handle (not shown).
  • the device body 2 has a drive assembly (not shown) that is designed to generate a suction air flow during operation, which flows through a suction channel 8 formed in the device body 2 .
  • the vacuum cleaner has an operating element 3 which is connected to the suction material container 1 in such a way that the suction material container 1 is arranged between the operating element 3 and the device body 2 .
  • the operating element 3 is designed to be rotatable from an open position to a closed position and vice versa. In the open position, the device body 2 can be detached from the suction material container 1, as in 1 is shown. In the closed position, the suction material container 1 is connected to the device body 2 in such a way that in this position it cannot be detached from the device body 2 by pulling.
  • the suction material container 1 has a sleeve-like pre-filter 4 which is arranged in the housing (not shown) of the suction material container (1) and which can be placed on the socket 5 of the device body 2 .
  • the sleeve-like pre-filter 4 is in 2 pushed onto the socket 5, the socket 5 and the pre-filter 4 being at least partially conical.
  • the socket 5 has several locking cams 6, one of which in 2 is shown.
  • the pre-filter 4 has several locking geometries 7, one of which in 2 is visible. Each locking geometry 7 is designed and designed to accommodate a locking cam 6 in each case.
  • Each locking geometry 7 has a slot 16 that opens in the direction of the base plate (not shown) when the vacuum container 1 is placed on the device body 2, as well as a locking part 17 that extends away from the respective slot 16 and that opens in the direction of the base plate is closed and angularly extending away from the respective slot 16 in the opposite direction to the base plate.
  • the locking cam 6 is inserted into the slot 16 of the locking geometry 7. From this position, the locking cam 6 can be inserted into the locking part 17 in order to connect the suction container 1 to the device body 2 in this position of the locking cam 6, or it can be pulled out of the slot 16 so that the suction container 1 can be detached from the device body 2 .
  • FIG. 3 shows a partial cross-sectional view of the in 2 shown vacuum cleaner.
  • One end of the housing 12 of the suction material container 1 is placed on one end of the housing part 15 of the device body 2 .
  • the suction channel 8 of the device body 2 and an air channel 10 of the suction material container 1 are arranged adjacent to one another via a seal 9 and arranged along a flow axis (not shown).
  • the drive unit (not shown) arranged in the housing body 2 generates a suction air flow which flows through the suction duct 8 , then the air duct 10 , the pre-filter 4 and the connecting piece 5 .
  • FIG 4 shows another perspective partial view of the in 1 shown vacuum cleaner.
  • the inside 4 shown vacuum cleaner corresponds to the in 2 shown vacuum cleaner with the difference that the locking cam 6 is inserted into the locking part 17. Since the locking part 17 is closed in the direction of the base plate (not shown), the vacuum container 1 is locked to the device body 2 in this position, so that the locking cam 6 cannot be pulled out of the locking geometry 7 in this position. In this position of the latching cam 6 in the locking geometry 7, the suction material container 1 and the device body 2 cannot be detached from one another by pulling.
  • figure 5 shows another partial cross-sectional view of the in 4 shown vacuum cleaner.
  • the inside figure 5 shown vacuum cleaner corresponds to the in 3 shown vacuum cleaner with the difference that locking cam 6 is inserted into the locking part (not shown) of the locking geometry (not shown) and compared to that in 3 shown locking cam 6 is arranged higher, since the locking part 17 has a slope (not shown).
  • FIG 6 shows an enlarged partial cross-sectional view of FIG 3 shown vacuum cleaner.
  • the locking cam 6 is inserted into the slot 16.
  • the socket 5 has a sealing area 19 in which the socket is conical.
  • the pre-filter 4 has a further sealing area 20 in which it is conical.
  • FIG 7 shows an enlarged partial cross-sectional view of FIG figure 5 shown vacuum cleaner.
  • the inside 7 shown vacuum cleaner corresponds to the in 6 shown vacuum cleaner with the difference that the locking cam 6 is inserted into the locking part 17 and that the conical sealing area 19 rests on the conical further sealing area 20 on the pre-filter 4.
  • the sealing areas 19, 20 have therefore changed compared to their in 6 shown position used.
  • the housing part 15 and the socket 5 extend away from the base plate 13 in the same direction.
  • the connecting piece 5 has a plurality of locking cams 6 which are distributed evenly around its circumference. Purely as an example, the socket has three locking cams 6 on, of which in 8 two are visible.
  • the locking cams 6 are arranged on the connecting piece 5 at an angle in relation to the base plate 13 and are designed in such a way that they can be inserted into the locking part (not shown) of the suction material container (not shown) by a rotary movement.
  • Each locking cam 6 has a chamfer 18 in each case.
  • the suction material container 1 has the pre-filter 4, which has a sleeve-like part.
  • the pre-filter 4 has - purely by way of example 3 - locking geometries 7, which each have the slot 16 and the locking part 17 and are distributed evenly around the circumference of the sleeve-like part of the pre-filter 4, so that the 8 locking cams shown can be inserted into them.
  • Adjacent to each slot 16 and adjacent to each locking part 17 is an inlet bevel 11 in the interior of the pre-filter 4 is formed.
  • Each inlet bevel 11 is designed in such a way that one of the locking cams of the in 8 device body shown (not shown) can run into them and can be inserted into the locking part 17 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Description

Die Erfindung betrifft einen handgeführten Zyklon-Staubsauger, der nachfolgend der Einfachheit halber als Staubsauger bezeichnet wird. Insbesondere betrifft die Erfindung einen Staubsauger, der einen Sauggutbehälter zur Aufnahme von Sauggut und einen Gerätekorpus aufweist, der lösbar mit dem Sauggutbehälter verbindbar ist und ein Antriebsaggregat aufweist, das ausgebildet ist, einen Saugluftstrom zu erzeugen.The invention relates to a hand-held cyclonic vacuum cleaner, which is referred to below as a vacuum cleaner for the sake of simplicity. In particular, the invention relates to a vacuum cleaner that has a suction material container for receiving suction material and a device body that can be detachably connected to the suction material container and has a drive unit that is designed to generate a suction air flow.

Bei einem Zyklon-Staubsauger ist es notwendig, dass er einen abnehmbaren Sauggutbehälter aufweist, damit das aufgesaugte Sauggut aus dem Sauggutbehälter entfernt werden kann. Beim Aufsetzen und Lösen des Sauggutbehälters von dem Gerätekorpus muss mindestens eine Dichtstelle kontaktiert bzw. gelöst werden. Diese mindestens eine Dichtstelle betrifft insbesondere den Zu- und Abluft-Saugstrom des Abscheidesystems, das dem Sauggutbehälter vorgeschaltet ist. Zudem ist es aber notwendig, dass bei dieser mindestens einen Dichtstelle bei Betrieb eine optimale Anpressung erfolgt, so dass Verluste durch Nebenluft neben dem Saugluftstrom minimiert werden.In a cyclonic vacuum cleaner, it is necessary for it to have a removable suction material container so that the suctioned material can be removed from the suction material container. At least one sealing point must be contacted or loosened when the suction material container is placed on and loosened from the device body. This at least one sealing point relates in particular to the intake and exhaust air suction flow of the separating system, which is connected upstream of the suction material container. In addition, however, it is necessary for this at least one sealing point to be optimally pressed during operation, so that losses due to secondary air in addition to the suction air flow are minimized.

Die EP 2 215 950 A2 offenbart einen handgeführten Zyklon-Staubsauger mit einen Sauggutbehälter zur Aufnahme von Sauggut und einen Gerätekorpus, der lösbar mit dem Sauggutbehälter verbindbar ist und ein Antriebsaggregat aufweist, das ausgebildet ist, einen Saugluftstrom zu erzeugen.the EP 2 215 950 A2 discloses a hand-held cyclone vacuum cleaner with a suction material container for receiving suction material and a device body that can be detachably connected to the suction material container and has a drive unit that is designed to generate a suction air flow.

Der Erfindung stellt sich somit das Problem, einen Staubsauger bereitzustellen, der eine optimierte Dichtwirkung zwischen dem Sauggutbehälter und dem Gerätekorpus aufweist.The invention therefore faces the problem of providing a vacuum cleaner which has an optimized sealing effect between the suction material container and the body of the device.

Erfindungsgemäß wird dieses Problem durch einen Staubsauger mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den nachfolgenden Unteransprüchen.According to the invention, this problem is solved by a vacuum cleaner having the features of patent claim 1 . Advantageous refinements and developments of the invention result from the following dependent claims.

Die mit der Erfindung erreichbaren Vorteile bestehen neben einer optimierten Dichtwirkung darin, dass einem Nutzer des Staubsaugers ermöglicht wird, diese Dichtwirkung mit einem relativ geringen Kraftaufwand aufzubringen und aber auch leicht wieder zu lösen. Zudem ist ein einfaches, zerstörungsfreies Überwinden des Mechanismus z.B. für Montagezwecke möglich. Mittels des beschriebenen Konzepts wird eine Anpresskraft bereitgestellt. Bei Betrieb ziehen sich Dichtbereiche an der Dichtstelle heran. Dadurch erfolgt beim Betrieb des Staubsaugers eine verbesserte Abdichtung. Dadurch wird die Dichtwirkung zwischen dem Sauggutbehälter und dem Gerätekorpus optimiert.In addition to an optimized sealing effect, the advantages that can be achieved with the invention consist in the fact that a user of the vacuum cleaner is able to apply this sealing effect with relatively little effort and also to release it again easily. In addition, a simple, non-destructive overcoming of the mechanism is possible, for example for assembly purposes. A pressing force is provided by means of the described concept. During operation, sealing areas pull closer to the sealing point. This results in improved sealing when the vacuum cleaner is in operation. This optimizes the sealing effect between the vacuum container and the body of the device.

Die Erfindung betrifft einen handgeführten Zyklon-Staubsauger, aufweisend einen Sauggutbehälter zur Aufnahme von Sauggut und einen Gerätekorpus, der lösbar mit dem Sauggutbehälter verbindbar ist und ein Antriebsaggregat aufweist, das ausgebildet ist, einen Saugluftstrom zu erzeugen, wobei ein sich in dem Sauggutbehälter befindender Luftkanal und ein sich in dem Gehäusekorpus befindender Saugkanal bei einem verbundenen Zustand des Sauggutbehälters und Gehäusekorpus einen Luftweg des Saugluftstroms bei Betrieb aufweisen, der entlang einer Strömungsachse ausgerichtet ist, die parallel zu einer Bewegungsachse beim Verbinden des Sauggutbehälters und des Gerätekorpus ist.The invention relates to a hand-held cyclone vacuum cleaner, having a suction material container for receiving suction material and a device body which can be detachably connected to the suction material container and has a drive unit which is designed to generate a suction air flow, with an air duct located in the suction material container and a suction channel located in the housing body, when the suction material container and the housing body are in a connected state, have an air path of the suction air flow during operation, which is aligned along a flow axis that is parallel to an axis of movement when the suction material container and the device body are connected.

Unter dem Ausdruck "handgeführt" ist zu verstehen, dass der Staubsauger per Hand von dem Nutzer bei Betrieb geführt wird. Dazu weist der Staubsauger bevorzugt weiterhin einen Handgriff auf, der mit dem Sauggutbehälter verbindbar ist und bei Betrieb mit ihm verbunden ist.The term "hand-held" means that the vacuum cleaner is operated manually by the user. For this purpose, the vacuum cleaner preferably also has a handle which can be connected to the suction material container and is connected to it during operation.

Weiterhin kann der Staubsauger ein Saugrohr aufweisen, das mit dem Sauggutbehälter und/oder dem Gerätekorpus verbindbar ist und bei Betrieb, wenn erforderlich mit einem von ihnen verbunden ist. Optional kann das Saugrohr weiterhin mit dem Handgriff verbunden sein; diese Ausführungsform ist vorteilhaft, wenn das Saugrohr bei Betrieb mit dem Sauggutbehälter verbunden ist. Das Saugrohr kann weiterhin mit einer Bodendüse verbunden sein; diese Ausführungsform ist vorteilhaft, wenn das Saugrohr bei Betrieb mit dem Gerätekorpus verbunden ist und der Sauggutbehälter mit dem Handgriff verbunden ist.Furthermore, the vacuum cleaner can have a suction pipe, which can be connected to the suction material container and/or the device body and, if necessary, is connected to one of them during operation. Optionally, the suction tube can also be connected to the handle; this embodiment is advantageous if the suction pipe is connected to the suction material container during operation. The suction tube can also be connected to a floor nozzle; this embodiment is advantageous if the suction tube is connected to the body of the device during operation and the suction material container is connected to the handle.

Unter dem Begriff "Zyklon-Staubsauger" ist ein Staubsauger zu verstehen, der beutellos ist und bei dem in einem in den Staubsauger eintretenden Luftstrom Wirbel und etwaige Verwirbelungen erzeugt werden, wodurch das Sauggut wie z.B. Staubteilchen aufgrund von Fliehkraft in eine vorbestimmte Richtung gedrückt und abgeschieden werden. Unter dem Ausdruck "beutellos" ist zu verstehen, dass das Sauggut in dem Staubsauger direkt im Sauggutbehälter gesammelt wird, ohne dass in diesem ein Beutel oder ein ähnliches Wechselfiltermedium zur Aufnahme von Sauggut angeordnet ist, so dass der Nutzer zur Entleerung des Saugguts aus dem Sauggutbehälter keinen Beutel oder dgl. aus dem Sauggutbehälter entnimmt. Der Staubsauger kann aber ein oder mehrere Filtermedien aufweisen, die verhindern, dass aufgesaugtes Sauggut in das in dem Gerätekorpus angeordneten Antriebsaggregat gelangt. Sowohl der Sauggutbehälter als auch der Gerätekorpus sind bevorzugt aus Kunststoff gebildet.The term "cyclone vacuum cleaner" means a vacuum cleaner that is bagless and in which vortices and any turbulence are generated in an air flow entering the vacuum cleaner, whereby the suction material such as dust particles is pressed in a predetermined direction due to centrifugal force and separated will. The expression "bagless" means that the suction material in the vacuum cleaner is collected directly in the suction material container without a bag or a similar exchangeable filter medium for receiving suction material being arranged in it, so that the user can empty the suction material from the suction material container does not remove a bag or the like from the suction material container. However, the vacuum cleaner can have one or more filter media which prevent the vacuumed material from getting into the drive unit arranged in the device body. Both the suction material container and the device body are preferably made of plastic.

Der Staubsauger ist bevorzugt ein Akkustaubsauger. D.h., der Staubsauger weist einen Akkumulator auf und ist ausgelegt, mittels des Akkumulators als Stromquelle betrieben zu werden. Der Akkumulator ist mit dem Sauggutbehälter und/oder dem Gerätekorpus bevorzugt dem Gerätekorpus verbindbar.The vacuum cleaner is preferably a cordless vacuum cleaner. That is, the vacuum cleaner has an accumulator and is designed to be operated as a power source by means of the accumulator. The accumulator can be connected to the suction material container and/or the device body, preferably the device body.

In einer betriebsgemäßen Arbeitsposition befindet sich der Sauggutbehälter an einer Rückseite bzw. am hinterem Ende des Staubsaugers, womit gemeint ist, dass er näher an der Hand des Nutzers und weiter von dem zu saugenden Untergrund entfernt ist als der Gerätekorpus. Der sich in dem Gerätekorpus befindende Saugkanal geht bei Betrieb in den sich in dem Sauggutbehälter befindenden Luftkanal über, d.h., der Saugluftstrom strömt bei Betrieb zuerst durch den Saugkanal und dann durch den Luftkanal.In an operational working position, the suction material container is located on a rear side or at the rear end of the vacuum cleaner, which means that it is closer to the user's hand and further away from the surface to be vacuumed than the device body. During operation, the suction channel located in the device body transitions into the air channel located in the suction material container, i.e. during operation the suction air flow first flows through the suction channel and then through the air channel.

Zum Entleeren ist der Sauggutbehälter vom dem Gerätekorpus getrennt. Bei Betrieb ist der Sauggutbehälter mit dem Gerätekorpus verbunden. Dazu ist er auf den Gerätekorpus aufgesetzt und durch das Antriebsaggregat wird ein Saugluftstrom erzeugt, der durch den Saugkanal des Gerätekorpus und dann durch den Luftkanal des Sauggutbehälters strömt. Durch einen herrschenden Unterdruck werden der Gerätekorpus und der Sauggutbehälter zueinander gezogen, da der Luftweg des Saugluftstroms bei Betrieb entlang der Strömungsachse ausgerichtet ist, die parallel zu einer Bewegungsachse beim Verbinden des Sauggutbehälters und des Gerätekorpus ist. Dadurch wird eine hohe Dichtwirkung zwischen den beiden Bauteilen erzielt. Bei dem Luftweg bleiben die erzeugten Wirbel und etwaige Verwirbelungen des Saugluftstroms unberücksichtigt, gemeint ist vielmehr der Weg der Hauptströmungsrichtung des Saugluftstroms.The suction material container is separated from the device body for emptying. During operation, the suction material container is connected to the body of the device. To do this, it is placed on the body of the device and the drive unit generates a flow of suction air that flows through the suction channel of the body of the device and then through the air channel of the suction material container. The device body and the suction material container are pulled towards one another by a prevailing negative pressure, since the air path of the suction air flow is aligned during operation along the flow axis, which is parallel to an axis of movement when connecting the suction material container and the device body. This achieves a high sealing effect between the two components. In the case of the air path, the turbulence generated and any turbulence in the suction air flow are not taken into account; rather, what is meant is the path of the main flow direction of the suction air flow.

In einer bevorzugten Ausführungsform weist der Gerätekorpus eine Basisplatte und einen sich von der Basisplatte weg erstreckenden Stutzen auf und weist der Sauggutbehälter ein Gehäuseteil und einen Vorfilter mit einem hülsenartigen Teil auf, der in dem Gehäuseteil angeordnet ist, wobei ein Ende des Gehäuseteils und ein Rand des Gerätekorpus eine komplementäre Kontur aufweisen und der hülsenartige Teil auf den Stutzen aufsetzbar ist. Bei Betrieb strömt der Saugluftstrom ebenfalls durch den Vorfilter und den Stutzen, sodass der Saugluftstrom zuerst durch den Saugkanal, dann den Luftkanal, und anschließend durch einen durch den Vorfilter und den Stutzen gebildeten Kanal strömt. Die Strömungsachse des Saugkanals und des Luftkanals ist bevorzugt parallel zu der Strömungsachse des durch den Vorfilter und den Stutzen gebildeten Kanals. Dadurch wird die Dichtwirkung zwischen dem Sauggutbehälter und dem Gerätekorpus weiterhin verbessert.In a preferred embodiment, the body of the device has a base plate and a connecting piece extending away from the base plate, and the vacuum container has a housing part and a pre-filter with a sleeve-like part which is arranged in the housing part, with one end of the housing part and an edge of the Device body have a complementary contour and the sleeve-like part can be placed on the socket. In operation, the suction airflow also flows through the pre-cleaner and the stub, so that the suction airflow first flows through the suction duct, then the air duct, and then through a duct formed by the pre-cleaner and the stub. The flow axis of the suction channel and the air channel is preferably parallel to the flow axis of the channel formed by the pre-filter and the connection piece. As a result, the sealing effect between the suction material container and the device body is further improved.

Der Luftkanal und der durch den Stutzen und den Vorfilter gebildeten Kanal sind bevorzugt durch einen Verbindungskanal verbunden. Die Strömungsachsen des Saugkanals und des Luftkanals sind parallel zu der Strömungsachse des durch den Stutzen und Vorfilters gebildeten Kanals, aber die Hauptströmungsrichtung des durch den Saugkanal und den Luftkanal strömenden Saugluftstroms ist entgegengesetzt zu der Hauptströmungsrichtung des durch den durch den Stutzen und den Vorfilter gebildeten Kanals, wobei unter der Hauptströmungsrichtung eine Strömungsrichtung zu verstehen ist, bei der die Wirbel und etwaige Verwirbelungen außer Acht gelassen werden. Durch den im Betrieb beim Stutzen herrschenden Unterdruck erfolgt zudem ein zusätzliches Heranziehen des Sauggutbehälters an den Gerätekorpus, was eine optimierte Dichtwirkung an dieser Stelle bewirkt. Der Stutzen ist bevorzugt in Strömungsrichtung des Saugstroms vor dem Antriebsaggregat beispielsweise in Form eines Gebläses angeordnet. Bevorzugt greift der hülsenartige Teil des Vorfilters über den Stutzen, wenn der Sauggutbehälter auf den Gerätekorpus aufgesetzt ist.The air duct and the duct formed by the socket and the pre-filter are preferably connected by a connecting duct. The flow axes of the suction duct and the air duct are parallel to the flow axis of the duct formed by the nozzle and the pre-filter, but the main flow direction of the suction air flow flowing through the suction duct and the air duct is opposite to the main flow direction of the duct formed by the nozzle and the pre-filter, the main flow direction being a flow direction in which the vortices and any turbulence are disregarded. Through the in operation when connecting Due to the negative pressure that prevails, the suction material container is also drawn closer to the body of the device, which results in an optimized sealing effect at this point. The socket is preferably arranged in the direction of flow of the suction flow in front of the drive unit, for example in the form of a fan. The sleeve-like part of the pre-filter preferably grips over the connection piece when the suction material container is placed on the device body.

Bevorzugt weist der Stutzen mehrere Rastnocken auf und weist der Vorfilter mehrere Verriegelungsgeometrien auf, die jeweils ausgebildet und ausgelegt sind, jeweils eine Rastnocke aufzunehmen, wobei jede Verriegelungsgeometrie einen Schlitz, der beim Aufsetzen des Sauggutbehälters auf den Gerätekorpus in Richtung der Basisplatte hin offen ist, sowie jeweils einen sich von dem jeweiligen Schlitz weg erstreckenden Verriegelungsteil aufweist, der in Richtung der Basisplatte hin geschlossen ist und sich winklig von dem jeweiligen Schlitz in die zu der Basisplatte entgegengesetzte Richtung weg erstreckt. Jeder Schlitz jeder Verriegelungsgeometrie ist bevorzugt ausgebildet, eine Rastnocke des Stutzens beim Aufsetzen des Sauggutbehälters auf den Gerätekorpus zumindest teilweise in den hülsenartigen Teil des Vorfilters einführen zu lassen. Dadurch kann das Aufsetzen des Sauggutbehälters auf den Gerätekorpus ohne zusätzliche Krafteinwirkung erfolgen. Der Weg für das Aufsetzen ist limitiert durch einen Anschlag des jeweiligen Schlitzes. Jede Verriegelungsgeometrie weist bevorzugt eine derartige Geometrie auf, dass der Sauggutbehälter in einer vorgegebenen Position aufsetzbar ist. Dadurch ist das System kodiert.The connecting piece preferably has a plurality of locking cams and the pre-filter has a plurality of locking geometries, each of which is designed and designed to accommodate a locking cam, each locking geometry having a slot which is open in the direction of the base plate when the suction material container is placed on the device body, and each having a locking portion extending away from the respective slot, closed towards the base plate and extending angularly away from the respective slot in the direction opposite to the base plate. Each slot of each locking geometry is preferably designed to allow a locking cam of the connecting piece to be inserted at least partially into the sleeve-like part of the pre-filter when the suction material container is placed on the device body. As a result, the suction material container can be placed on the device body without additional force being applied. The way for the placement is limited by a stop of the respective slot. Each locking geometry preferably has a geometry such that the suction material container can be placed in a predetermined position. This encodes the system.

Jede Verriegelungsgeometrie weist den einen Schlitz und den einen sich von dem jeweiligen Schlitz weg erstreckenden Verriegelungsteil auf. Die Verriegelungsteile sind in Richtung der Basisplatte hin geschlossen und erstrecken sich winklig von dem jeweiligen Schlitz in die zu der Basisplatte entgegengesetzte Richtung. Sie weisen daher eine Steigung in Bezug auf den jeweiligen Schlitz auf.Each locking geometry includes the one slot and the one locking portion extending from the respective slot. The locking parts are closed towards the base plate and extend angularly from the respective slot in the direction opposite to the base plate. They therefore have an incline with respect to the respective slot.

In einer bevorzugten Ausführungsform sind die Schlitze der Verriegelungsgeometrien jeweils derart ausgebildet, dass beim Aufsetzen des Vorfilters auf den Stutzen die Rastnocken in den Schlitzen geführt werden. Dieses Aufsetzen wird vom Nutzer ohne Kraftaufwand realisiert. Von dieser Position aus, ist der hülsenartige Teil des Vorfilters derart drehbar, dass die Rastnocken in den jeweiligen Verriegelungsteil einführbar sind. Der hülsenartige Teil des Vorfilters und der Stutzen sind bevorzugt derart ausgebildet, dass sich der Sauggutbehälter bei Drehen der Rastnocken in den jeweiligen Verriegelungsteil über die im Vorfilter befindliche Steigung des Verriegelungsteils über die Rastnocken auf den Stutzen zieht. Ein Hub, welcher daraus resultiert, ist bevorzugt im Bereich von 2 bis 4 mm. Durch diese gewindeartige Konstruktion kann mit einer vergleichsweisen geringen Handkraft eine hohe Dichtkraft aufgebracht werden.In a preferred embodiment, the slots of the locking geometries are each formed in such a way that the locking cams are guided in the slots when the prefilter is placed on the connection piece. This placement is realized by the user without any effort. From this position, the sleeve-like part of the pre-filter can be rotated in such a way that the locking cams can be inserted into the respective locking part. The sleeve-like part of the pre-filter and the connection piece are preferably designed in such a way that when the locking cams are rotated in the respective locking part, the suction material container pulls over the locking cams onto the connection piece via the slope of the locking part located in the pre-filter. A stroke resulting from this is preferably in the range of 2 to 4 mm. Due to this thread-like construction, a high sealing force can be applied with comparatively little manual force.

Bevorzugt sind der Stutzen und der Vorfilter zumindest teilweise jeweils konisch ausgebildet. Bevorzugt ist der Stutzen mit einer konischen Geometrie ausgestattet, die ausgebildet ist, sich bei dem Hub über einen Dichtbereich an den Vorfilter anzulegen, wenn der Sauggutbehälter mit dem Gerätekorpus verbunden wird. Der Vorfilter ist im Dichtbereich bevorzugt ebenfalls konisch ausgebildet, d.h. bevorzugt ist der hülsenartige Teil zumindest teilweise konisch ausgebildet. Durch Anlegen des Sauggutbehälters an den Gerätekorpus wird auch eine Abdichtung zwischen dem Saugkanal und dem Luftkanal bereitgestellt. Die konische Geometrie des Stutzens ist bevorzugt weiterhin derart ausgebildet, dass beim Lösen des Sauggutbehälters von dem Gerätekorpus die Steigung des Verriegelungsteils bewirkt, dass sich der Stutzen und der Vorfilter leicht voneinander trennen lassen. Mittels der konischen Ausgestaltung wird eine Flächendichtung bereitgestellt.The connection piece and the pre-filter are preferably each configured conically, at least in part. The connecting piece is preferably equipped with a conical geometry, which is designed to rest on the pre-filter via a sealing area during the stroke when the suction material container is connected to the device body. The pre-filter is preferably also conical in the sealing area, i.e. the sleeve-like part is preferably at least partially conical. A seal between the suction channel and the air channel is also provided by placing the suction material container on the body of the device. The conical geometry of the connection piece is preferably also designed in such a way that when the suction material container is detached from the device body, the incline of the locking part causes the connection piece and the pre-filter to be easily separated from one another. A surface seal is provided by means of the conical configuration.

Bevorzugt sind die Rastnocken in einem gleichmäßigen Winkel über den Umfang des Stutzens verteilt und sind die Verriegelungsgeometrien gleichmäßig über den Umfang des Vorfilters verteilt. Dadurch ergibt sich eine gleichmäßige Verteilung einer Kraft beim Arretieren des Sauggutbehälters an dem Gerätekorpus. Beispielsweise weist der Stutzen drei Rastnocken und der Vorfilter drei Verriegelungsgeometrien auf.The locking cams are preferably distributed at a uniform angle over the circumference of the connecting piece and the locking geometries are distributed evenly over the circumference of the pre-filter. This results in a uniform distribution of a force when locking the suction material container on the device body. For example, the connecting piece has three locking cams and the pre-filter has three locking geometries.

In einer bevorzugten Ausführungsform weist der Staubsauger ein Bedienelement auf, das mit dem Sauggutbehälter derart verbunden ist, dass der Sauggutbehälter zwischen dem Bedienelement und dem Gerätekorpus angeordnet ist und dass das Bedienelement von einer offenen Stellung in eine geschlossene Stellung und umgekehrt drehbar ausgebildet ist. Das Bedienelement ist bevorzugt ausgebildet, den Sauggutbehälter an dem Gerätekorpus zu arretieren bzw. zu lösen. Wenn das Bedienelement in der offenen Stellung angeordnet ist, ist der Sauggutbehälter von dem Gerätekorpus gelöst oder lösbar verbunden (d.h. der Sauggutbehälter kann von dem Gerätekorpus durch Ziehen weitestgehend kraftfrei von diesem gelöst werden). Wenn das Bedienelement in der geschlossenen Stellung angeordnet ist, ist der Sauggutbehälter mit dem Gerätekorpus verbunden, d.h. er kann von ihm nicht durch Ziehen von diesem gelöst werden. Vielmehr muss das Bedienelement von der geschlossenen Stellung in die offene Stellung gedreht werden, damit der Sauggutbehälter von dem Gerätekorpus mittels Ziehen lösbar ist.In a preferred embodiment, the vacuum cleaner has an operating element that is connected to the suction material container in such a way that the suction material container is arranged between the operating element and the device body and that the operating element can be rotated from an open position to a closed position and vice versa. The operating element is preferably designed to lock or release the suction material container on the device body. When the operating element is arranged in the open position, the suction material container is detached or releasably connected to the device body (i.e. the suction material container can be detached from the device body by pulling it with as little force as possible). When the control element is arranged in the closed position, the vacuum container is connected to the body of the device, i.e. it cannot be detached from it by pulling it. Rather, the operating element must be rotated from the closed position to the open position so that the suction material container can be detached from the device body by pulling it.

Bevorzugt sind die Verriegelungsgeometrien derart ausgebildet, dass in dem verbundenen Zustand des Sauggutbehälters und des Gehäusekorpus die Rastnocken, wenn sich das Bedienelement in der geschlossenen Stellung befindet, in den jeweiligen Verriegelungsteil eingeführt sind, und, wenn das Bedienelement in der offenen Stellung angeordnet ist, in den jeweiligen Schlitz eingeführt sind. Der Staubsauger ist derart ausgebildet, dass sich der Sauggutbehälter bei Drehen des Bedienelements in die geschlossene Stellung über die im Vorfilter befindliche Steigung in der Verriegelungsgeometrie, d.h. den Verriegelungsteil, über die Rastnocken auf den Stutzen zieht. Der Hub, welcher daraus resultiert, ist bevorzugt im Bereich von 2 bis 4 mm.The locking geometries are preferably designed in such a way that in the connected state of the suction container and the housing body, the locking cams are inserted into the respective locking part when the operating element is in the closed position, and, when the operating element is arranged in the open position, in inserted into the respective slot. The vacuum cleaner is designed in such a way that when the operating element is rotated into the closed position, the suction material container moves over the gradient in the locking geometry, ie the locking part, located in the pre-filter pulls the locking cam onto the socket. The stroke that results from this is preferably in the range of 2 to 4 mm.

In einer bevorzugten Ausführungsform weist der Staubsauger Einlaufschrägen auf, die jeweils an dem Vorfilter angrenzend zu einem der Verriegelungsteile und benachbart zu dem jeweiligen Verriegelungsteil zugeordnetem Schlitz angeordnet sind, wobei die Rastnocken jeweils eine Fase an ihrer beim Aufsetzen des Sauggutbehälters auf den Gerätekorpus zu der Einlaufschräge gerichteten Seite aufweisen. Beim Aufsetzen des Vorfilters auf den Stutzen federt er durch einen Kontakt zwischen den Rastnocken und den Einlaufschrägen auf und die Rastnocken springen in einer Endposition in die Verriegelungsteile der Verriegelungsgeometrien. Dadurch kann der Vorfilter auf den Stutzen ausgesetzt werden, ohne dass die Rastnocken in den Schlitzen geführt werden müssen. Dadurch wird eine Zerstörung der Bauteile unterbunden, wenn der Nutzer eine Fehlbedienung beim Aufsetzen des Sauggutbehälters auf den Gerätekorpus unterläuft. Zudem muss bei einer Montage in der Fertigung des Staubsaugers der Sauggutbehälter nicht gedreht werden, um ihn mit dem Gerätekorpus zu verbinden. Dadurch kann der Sauggutbehälter mit dem Gerätekorpus verbunden werden, auch wenn sich das Bedienelement in der geschlossenen Stellung befindet.In a preferred embodiment, the vacuum cleaner has inlet bevels, which are each arranged on the pre-filter adjacent to one of the locking parts and adjacent to the slot assigned to the respective locking part, with the locking cams each having a chamfer on their end that is directed towards the inlet bevel when the suction material container is placed on the device body have side. When the pre-filter is placed on the connecting piece, it springs open as a result of contact between the locking cams and the inlet bevels, and the locking cams jump into the locking parts of the locking geometries in an end position. This allows the pre-filter to be placed on the connection piece without the locking cams having to be guided in the slots. This prevents the components from being destroyed if the user makes an operating error when placing the suction material container on the device body. In addition, the suction material container does not have to be rotated during assembly in the production of the vacuum cleaner in order to connect it to the device body. As a result, the suction material container can be connected to the body of the device even when the operating element is in the closed position.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigt schematisch und nicht maßstabsgerecht

Fig. 1
eine perspektivische Ansicht des erfindungsgemäßen Staubsaugers,
Fig. 2
eine weitere perspektivische Teil-Ansicht des in Fig. 1 gezeigten Staubsaugers,
Fig. 3
eine Teil-Querschnittsansicht des in Fig. 2 gezeigten Staubsaugers,
Fig. 4
eine weitere perspektivische Teil-Ansicht des in Fig. 1 gezeigten Staubsaugers,
Fig. 5
eine weitere Teil-Querschnittsansicht des in Fig. 4 gezeigten Staubsaugers,
Fig. 6
eine vergrößerte Teil-Querschnittsansicht des in Fig. 3 gezeigten Staubsaugers,
Fig. 7
eine vergrößerte Teil-Querschnittsansicht des in Fig. 5 gezeigten Staubsaugers,
Fig. 8
eine perspektivische Teil-Ansicht des in Fig. 1 gezeigten Gerätekorpus,
Fig. 9
eine perspektivische Teil-Ansicht des in Fig. 1 gezeigten Sauggutbehälters.
An embodiment of the invention is shown purely schematically in the drawings and is described in more detail below. It shows schematically and not to scale
1
a perspective view of the vacuum cleaner according to the invention,
2
another perspective partial view of the in 1 shown vacuum cleaner,
3
a partial cross-sectional view of the in 2 shown vacuum cleaner,
4
another perspective partial view of the in 1 shown vacuum cleaner,
figure 5
another partial cross-sectional view of the in 4 shown vacuum cleaner,
6
an enlarged partial cross-sectional view of the 3 shown vacuum cleaner,
7
an enlarged partial cross-sectional view of the figure 5 shown vacuum cleaner,
8
a perspective partial view of the in 1 device body shown,
9
a perspective partial view of the in 1 suction container shown.

Fig. 1 zeigt eine perspektivische Ansicht des erfindungsgemäßen Staubsaugers. Der in Fig. 1 gezeigte Staubsauger weist einen Sauggutbehälter 1 zur Aufnahme von Sauggut mit einen Gehäuse 12 auf. Weiterhin weist der Staubsauger einen Gerätekorpus 2 auf, der lösbar mit dem Sauggutbehälter 1 verbindbar ist. Der Gerätekorpus 2 weist eine Basisplatte 13, einen sich von der Basisplatte 13 weg erstreckenden Stutzen 5 und ein sich von der Basisplatte 13 weg erstreckendes Gehäuseteil 15 auf. Der Stutzen 5 ist im Innern des Gehäuseteils 15 angeordnet, das sich in die gleiche Richtung wie der Stutzen 5 von der Basisplatte 13 weg erstreckt. Ein Ende des Gehäuses 12 und Ende des Gehäuseteils 15 weisen eine komplementäre Kontur auf, die aufsetzbar sind, wenn der Sauggutbehälter 1 an den Gerätekorpus 2 angeordnet ist. Weiterhin weist der Gerätekorpus 2 zwei weitere Stutzen 14 auf, die mit einem Saugrohr (nicht gezeigt) und oder einem Handgriff (nicht gezeigt) verbindbar sind. Der Gerätekorpus 2 weist ein Antriebsaggregat (nicht gezeigt) auf, dass ausgebildet ist, bei Betrieb einen Saugluftstrom zu erzeugen, der durch einen in dem Gerätekorpus 2 ausgebildeten Saugkanal 8 strömt. Weiterhin weist der Staubsauger ein Bedienelement 3 auf, das mit dem Sauggutbehälter 1 derart verbunden ist, dass der Sauggutbehälter 1 zwischen dem Bedienelement 3 und dem Gerätekorpus 2 angeordnet ist. Das Bedienelement 3 ist von einer offenen Stellung in eine geschlossene Stellung und umgekehrt drehbar ausgebildet. In der offenen Stellung ist der Gerätekorpus 2 von dem Sauggutbehälter 1 lösbar, wie in Fig. 1 gezeigt ist. In der geschlossenen Stellung ist der Sauggutbehälter 1 mit dem Gerätekorpus 2 derart verbunden, dass er in dieser Stellung nicht von dem Gerätekorpus 2 mittels Ziehen lösbar ist. 1 shows a perspective view of the vacuum cleaner according to the invention. the inside 1 The vacuum cleaner shown has a suction material container 1 for receiving suction material with a housing 12 . Furthermore, the vacuum cleaner has a device body 2 which can be detachably connected to the suction material container 1 . The device body 2 has a base plate 13, a connecting piece 5 extending away from the base plate 13 and a housing part 15 extending away from the base plate 13 . The socket 5 is arranged inside the housing part 15 which extends away from the base plate 13 in the same direction as the socket 5 . One end of the housing 12 and the end of the housing part 15 have a complementary contour that can be placed when the suction material container 1 is arranged on the device body 2 . Furthermore, the device body 2 has two additional sockets 14 which can be connected to a suction tube (not shown) and/or a handle (not shown). The device body 2 has a drive assembly (not shown) that is designed to generate a suction air flow during operation, which flows through a suction channel 8 formed in the device body 2 . Furthermore, the vacuum cleaner has an operating element 3 which is connected to the suction material container 1 in such a way that the suction material container 1 is arranged between the operating element 3 and the device body 2 . The operating element 3 is designed to be rotatable from an open position to a closed position and vice versa. In the open position, the device body 2 can be detached from the suction material container 1, as in 1 is shown. In the closed position, the suction material container 1 is connected to the device body 2 in such a way that in this position it cannot be detached from the device body 2 by pulling.

Fig. 2 zeigt eine weitere perspektivische Teil-Ansicht des in Fig. 1 gezeigten Staubsaugers. Bei der in Fig. 2 gezeigten Teil-Ansicht ist das Gehäuse des Sauggutbehälters1 der Übersichtlichkeit halber weggelassen. Der Sauggutbehälter 1 weist einen hülsenartigen Vorfilter 4 auf, der in dem Gehäuse (nicht gezeigt) des Sauggutbehälters (1) angeordnet ist und der auf den Stutzen 5 des Gerätekorpus 2 aufsetzbar ist. Der hülsenartige Vorfilter 4 ist in Fig. 2 auf den Stutzen 5 aufgesteckt, wobei der Stutzen 5 und der Vorfilter 4 zumindest teilweise jeweils konisch ausgebildet sind. Der Stutzen 5 weist mehrere Rastnocken 6 auf, von denen eine in Fig. 2 gezeigt ist. Der Vorfilter 4 weist mehrere Verriegelungsgeometrien 7 auf, von denen eine in Fig. 2 sichtbar ist. Jede Verriegelungsgeometrie 7 ist ausgebildet und ausgelegt, jeweils eine Rastnocke 6 aufzunehmen. Jede Verriegelungsgeometrie 7 weist einen Schlitz 16 auf, der beim Aufsetzen des Sauggutbehälters 1 auf den Gerätekorpus 2 in Richtung der Basisplatte (nicht gezeigt) hin offen, sowie jeweils einen sich von dem jeweiligen Schlitz 16 weg erstreckenden Verriegelungsteil 17, der in Richtung der Basisplatte hin geschlossen ist und sich winklig von dem jeweiligen Schlitz 16 in die zu der Basisplatte entgegengesetzte Richtung weg erstreckt. In der Fig. 2 ist die Rastnocke 6 in den Schlitz 16 der Verriegelungsgeometrie 7 eingeführt. Die Rastnocke 6 ist von dieser Stellung aus, in den Verriegelungsteil 17 einführbar, um den Sauggutbehälter 1 mit dem Gerätekorpus 2 in dieser Stellung der Rastnocke 6 zu verbinden, oder aus dem Schlitz 16 ziehbar, so dass der Sauggutbehälter 1 von dem Gerätekorpus 2 lösbar ist. 2 shows another perspective partial view of the in 1 shown vacuum cleaner. At the in 2 shown partial view, the housing of Sauggutbehälter1 is omitted for the sake of clarity. The suction material container 1 has a sleeve-like pre-filter 4 which is arranged in the housing (not shown) of the suction material container (1) and which can be placed on the socket 5 of the device body 2 . The sleeve-like pre-filter 4 is in 2 pushed onto the socket 5, the socket 5 and the pre-filter 4 being at least partially conical. The socket 5 has several locking cams 6, one of which in 2 is shown. The pre-filter 4 has several locking geometries 7, one of which in 2 is visible. Each locking geometry 7 is designed and designed to accommodate a locking cam 6 in each case. Each locking geometry 7 has a slot 16 that opens in the direction of the base plate (not shown) when the vacuum container 1 is placed on the device body 2, as well as a locking part 17 that extends away from the respective slot 16 and that opens in the direction of the base plate is closed and angularly extending away from the respective slot 16 in the opposite direction to the base plate. In the 2 the locking cam 6 is inserted into the slot 16 of the locking geometry 7. From this position, the locking cam 6 can be inserted into the locking part 17 in order to connect the suction container 1 to the device body 2 in this position of the locking cam 6, or it can be pulled out of the slot 16 so that the suction container 1 can be detached from the device body 2 .

Fig. 3 zeigt eine Teil-Querschnittsansicht des in Fig. 2 gezeigten Staubsaugers. Ein Ende des Gehäuses 12 des Sauggutbehälters 1 ist auf ein Ende des Gehäuseteils 15 des Gerätekorpus 2 aufgesetzt. Der Saugkanal 8 des Gerätekorpus 2 und ein Luftkanal 10 des Sauggutbehälters 1 sind über eine Dichtung 9 benachbart zueinander angeordnet und entlang einer Strömungsachse (nicht gezeigt) angeordnet. Bei Betrieb erzeugt das in dem Gehäusekorpus 2 angeordnete Antriebsaggregat (nicht gezeigt) ein Saugluftstrom, der durch den Saugkanal 8, dann den Luftkanal 10, den Vorfilter 4 und den Stutzen 5 strömt. 3 shows a partial cross-sectional view of the in 2 shown vacuum cleaner. One end of the housing 12 of the suction material container 1 is placed on one end of the housing part 15 of the device body 2 . The suction channel 8 of the device body 2 and an air channel 10 of the suction material container 1 are arranged adjacent to one another via a seal 9 and arranged along a flow axis (not shown). During operation, the drive unit (not shown) arranged in the housing body 2 generates a suction air flow which flows through the suction duct 8 , then the air duct 10 , the pre-filter 4 and the connecting piece 5 .

Fig. 4 zeigt eine weitere perspektivische Teil-Ansicht des in Fig. 1 gezeigten Staubsaugers. Der in Fig. 4 gezeigte Staubsauger entspricht dem in Fig. 2 gezeigten Staubsauger mit dem Unterschied, dass die Rastnocke 6 in den Verriegelungsteil 17 eingeführt ist. Da der Verriegelungsteil 17 in Richtung zur Basisplatte (nicht gezeigt) geschlossen ist, besteht in dieser Stellung eine Verriegelung des Sauggutbehälters 1 mit dem Gerätekorpus 2, so dass die Rastnocke 6 in dieser Stellung nicht aus der Verriegelungsgeometrie 7 herausziehbar ist. Der Sauggutbehälter 1 und der Gerätekorpus 2 sind in dieser Stellung der Rastnocke 6 in der Verriegelungsgeometrie 7 nicht durch Ziehen voneinander lösbar. 4 shows another perspective partial view of the in 1 shown vacuum cleaner. the inside 4 shown vacuum cleaner corresponds to the in 2 shown vacuum cleaner with the difference that the locking cam 6 is inserted into the locking part 17. Since the locking part 17 is closed in the direction of the base plate (not shown), the vacuum container 1 is locked to the device body 2 in this position, so that the locking cam 6 cannot be pulled out of the locking geometry 7 in this position. In this position of the latching cam 6 in the locking geometry 7, the suction material container 1 and the device body 2 cannot be detached from one another by pulling.

Fig. 5 zeigt eine weitere Teil-Querschnittsansicht des in Fig. 4 gezeigten Staubsaugers. Der in Fig. 5 gezeigte Staubsauger entspricht dem in Fig. 3 gezeigten Staubsauger mit dem Unterschied, dass Rastnocke 6 in den Verriegelungsteil (nicht gezeigt) der Verriegelungsgeometrie (nicht gezeigt) eingeführt ist und im Vergleich zur in Fig. 3 gezeigten Rastnocke 6 höher angeordnet ist, da der Verriegelungsteil 17 eine Steigung (nicht gezeigt) aufweist. figure 5 shows another partial cross-sectional view of the in 4 shown vacuum cleaner. the inside figure 5 shown vacuum cleaner corresponds to the in 3 shown vacuum cleaner with the difference that locking cam 6 is inserted into the locking part (not shown) of the locking geometry (not shown) and compared to that in 3 shown locking cam 6 is arranged higher, since the locking part 17 has a slope (not shown).

Fig. 6 zeigt eine vergrößerte Teil-Querschnittsansicht des in Fig. 3 gezeigten Staubsaugers. Die Rastnocke 6 ist in den Schlitz 16 eingeführt. Der Stutzen 5 weist einen Dichtbereich 19 auf, in dem der Stutzen konisch ausgebildet ist. Weiterhin weist der Vorfilter 4 einen weiteren Dichtbereich 20 auf, in dem er konisch ausgebildet ist. 6 shows an enlarged partial cross-sectional view of FIG 3 shown vacuum cleaner. The locking cam 6 is inserted into the slot 16. The socket 5 has a sealing area 19 in which the socket is conical. Furthermore, the pre-filter 4 has a further sealing area 20 in which it is conical.

Fig. 7 zeigt eine vergrößerte Teil-Querschnittsansicht des in Fig. 5 gezeigten Staubsaugers. Der in Fig. 7 gezeigte Staubsauger entspricht dem in Fig. 6 gezeigten Staubsauger mit dem Unterschied, dass die Rastnocke 6 in den Verriegelungsteil 17 eingeführt ist und dass sich der konisch ausgebildete Dichtbereich 19 über den konisch ausgebildeten weiteren Dichtbereich 20 an den Vorfilter 4 anlegt. Die Dichtbereiche 19, 20 haben sich daher im Vergleich zu ihrer in Fig. 6 gezeigten Stellung herangezogen. 7 shows an enlarged partial cross-sectional view of FIG figure 5 shown vacuum cleaner. the inside 7 shown vacuum cleaner corresponds to the in 6 shown vacuum cleaner with the difference that the locking cam 6 is inserted into the locking part 17 and that the conical sealing area 19 rests on the conical further sealing area 20 on the pre-filter 4. The sealing areas 19, 20 have therefore changed compared to their in 6 shown position used.

Fig. 8 zeigt eine weitere perspektivische Teil-Ansicht des in Fig. 1 gezeigten Gerätekorpus. Das Gehäuseteil 15 und der Stutzen 5 erstrecken sich in die gleiche Richtung von der Basisplatte 13 weg. Der Stutzen 5 weist mehrere Rastnocken 6 auf, die um seinen Umfang gleichmäßig verteilt angeordnet sind. Rein beispielhaft weist der Stutzen drei Rastnocken 6 auf, von denen in Fig. 8 zwei sichtbar sind. Die Rastnocken 6 sind an dem Stutzen 5 schräg in Bezug zur Basisplatte 13 angeordnet und derart ausgebildet, dass sie in den Verriegelungsteil (nicht gezeigt) des Sauggutbehälters (nicht gezeigt) durch eine Drehbewegung einführbar sind. Jede Rastnocken 6 weist jeweils eine Fase 18 auf. 8 shows another perspective partial view of the in 1 device body shown. The housing part 15 and the socket 5 extend away from the base plate 13 in the same direction. The connecting piece 5 has a plurality of locking cams 6 which are distributed evenly around its circumference. Purely as an example, the socket has three locking cams 6 on, of which in 8 two are visible. The locking cams 6 are arranged on the connecting piece 5 at an angle in relation to the base plate 13 and are designed in such a way that they can be inserted into the locking part (not shown) of the suction material container (not shown) by a rotary movement. Each locking cam 6 has a chamfer 18 in each case.

Fig. 9 zeigt eine weitere perspektivische Teil-Ansicht des in Fig. 1 gezeigten Sauggutbehälters. Der Sauggutbehälter 1 weist den Vorfilter 4 auf, der einen hülsenartigen Teil aufweist. Der Vorfilter 4 weist - rein beispielhaft 3 - Verriegelungsgeometrien 7 auf, die jeweils den Schlitz 16 und den Verriegelungsteil 17 aufweisen und um den Umfang des hülsenartigen Teils des Vorfilters 4 gleichmäßig verteilt angeordnet sind, so dass die in Fig. 8 gezeigten Rastnocken in sie einführbar sind. Benachbart zu jedem Schlitz 16 und angrenzend zu jedem Verriegelungsteil 17 ist jeweils eine Einlaufschräge 11 im Innern des Vorfilters 4 ausgebildet. Jede Einlaufschräge 11 ist derart ausgebildet, dass jeweils eine der Rastnocken des in Fig. 8 gezeigten Gerätekorpus (nicht gezeigt) in ihnen einlaufen kann und in den Verriegelungsteil 17 einführbar ist. Beim Aufsetzen des Vorfilters 4 auf den in Fig. 8 gezeigten Stutzen federt er durch einen Kontakt zwischen den Rastnocken und den Einlaufschrägen 11 auf, und die Rastnocken springen in einer Endposition in die Verriegelungsteile 17 der Verriegelungsgeometrien 7. 9 shows another perspective partial view of the in 1 suction container shown. The suction material container 1 has the pre-filter 4, which has a sleeve-like part. The pre-filter 4 has - purely by way of example 3 - locking geometries 7, which each have the slot 16 and the locking part 17 and are distributed evenly around the circumference of the sleeve-like part of the pre-filter 4, so that the 8 locking cams shown can be inserted into them. Adjacent to each slot 16 and adjacent to each locking part 17 is an inlet bevel 11 in the interior of the pre-filter 4 is formed. Each inlet bevel 11 is designed in such a way that one of the locking cams of the in 8 device body shown (not shown) can run into them and can be inserted into the locking part 17 . When placing the pre-filter 4 on the in 8 The socket shown springs open as a result of contact between the locking cams and the inlet bevels 11, and the locking cams jump into the locking parts 17 of the locking geometries 7 in an end position.

BezugszeichenlisteReference List

11
Sauggutbehältersuction container
22
Gerätekorpusdevice body
33
Bedienelementcontrol element
44
Vorfilterpre-filter
55
StutzenSupport
66
Rastnockenlocking cam
77
Verriegelunglocking
88th
Saugkanalsuction channel
99
Dichtungpoetry
1010
Luftkanalair duct
1111
Einlaufschrägeinlet slope
1212
GehäuseHousing
1313
Basisplattebase plate
1414
weiterer Stutzenfurther socket
1515
Gehäuseteilhousing part
1616
Schlitzslot
1717
Verriegelungsteillocking part
1818
Fasechamfer
1919
Dichtbereichsealing area
2020
Weiterer DichtbereichFurther sealing area

Claims (9)

  1. Hand-held cyclone vacuum cleaner, comprising
    - a suctioned material container (1) for receiving suctioned material,
    - a device body (2) which can be releasably connected to the suctioned material
    container (1) and has a drive unit which is designed to generate a suction air flow, characterised in that an air duct (10) located in the suctioned material container (1) and a suction channel (8) located in the housing body (2), when the suctioned material container (1) and housing body (2) are in a connected state, have an air path for the suction air flow during operation, which air path is oriented along a flow axis which is parallel to a movement axis when the suctioned material container (1) and the device body (2) are connected.
  2. Hand-held cyclone vacuum cleaner according to claim 1, characterised in that
    - the device body (2) has a base plate (13) and a connecting piece (5) extending away from the base plate (13), and
    - the suctioned material container (1) has a housing (12) and a prefilter (4) having a sleeve-like part which is arranged in the housing (12), one end of the housing (12) and one end of a housing part (15) of the device body (2) having a complementary contour and it being possible for the sleeve-like part to be placed on the connecting piece (5).
  3. Hand-held cyclone vacuum cleaner according to claim 2, characterised in that the connecting piece (5) has a plurality of latching cams (6) and the prefilter (4) has a plurality of locking geometries (7) which are each designed and configured to receive a latching cam (6), each locking geometry (7) having a slot (16) which is open in the direction of the base plate (13) when the suctioned material container (1) is placed on the device body (2), and a locking portion (17) which extends away from the relevant slot (16), is closed in the direction of the base plate (13) and extends at an angle away from the relevant slot (16) in the opposite direction to the base plate (13).
  4. Hand-held cyclone vacuum cleaner according to claim 3, characterised in that the slots (16) of the locking geometries (7) are each designed in such a way that when the prefilter (4) is placed on the connecting piece (5), the latching cams (6) are guided in the slots (16).
  5. Hand-held cyclone vacuum cleaner according to either claim 3 or claim 4, characterised in that the latching cams (6) are distributed at a uniform angle over the circumference of the connecting piece (5) and the locking geometries (7) are distributed uniformly over the circumference of the prefilter (4).
  6. Hand-held cyclone vacuum cleaner according to any of claims 2 to 5, characterised in that the connecting piece (5) and the prefilter (4) are each at least partially conical.
  7. Hand-held cyclone vacuum cleaner according to any of the preceding claims, characterised by an operating element (3) which is connected to the suctioned material container (1) in such a way that the suctioned material container (1) is arranged between the operating element (3) and the device body (2), and the operating element (3) is designed to be rotatable from an open position into a closed position and vice versa.
  8. Hand-held cyclone vacuum cleaner according to claim 7, characterised in that the locking geometries (7) are designed in such a way that, in the connected state of the suctioned material container (1) and the housing body (2), the latching cams (6) are inserted into the relevant locking part (17) when the operating element (3) is in the closed position and are inserted into the relevant slot (16) when the operating element (3) is arranged in the open position.
  9. Hand-held cyclone vacuum cleaner according to any of the preceding claims 3 to 8, characterised by lead-in bevels (11) which are in each case arranged on the prefilter (4) adjacent to one of the locking parts (17) and adjacent to the slot (16) assigned to the relevant locking part (17), the latching cams (6) each having a chamfer (18) on the side thereof which faces the lead-in bevel (11) when the suctioned material container (1) is placed on the device body (2).
EP20151567.3A 2019-02-07 2020-01-14 Hand-guided cyclone vacuum cleaner Active EP3692880B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019103002.1A DE102019103002A1 (en) 2019-02-07 2019-02-07 Hand-held cyclone vacuum cleaner

Publications (2)

Publication Number Publication Date
EP3692880A1 EP3692880A1 (en) 2020-08-12
EP3692880B1 true EP3692880B1 (en) 2022-09-14

Family

ID=69167632

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20151567.3A Active EP3692880B1 (en) 2019-02-07 2020-01-14 Hand-guided cyclone vacuum cleaner

Country Status (2)

Country Link
EP (1) EP3692880B1 (en)
DE (1) DE102019103002A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100199454A1 (en) * 2009-02-06 2010-08-12 Electrolux Home Care Products,Inc. Latch Assembly for a Vacuum System
CN106551654B (en) * 2016-11-01 2022-03-04 江苏美的清洁电器股份有限公司 Dirt cup subassembly and handheld dust catcher that has it

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DE102019103002A1 (en) 2020-08-13

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