EP3692880B1 - Aspirateur cyclonique guidé à la main - Google Patents

Aspirateur cyclonique guidé à la main 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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Active
Application number
EP20151567.3A
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German (de)
English (en)
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EP3692880A1 (fr
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 date
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Publication of EP3692880A1 publication Critical patent/EP3692880A1/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
    • 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)

Claims (9)

  1. Aspirateur cyclonique guidé à la main, présentant
    - un récipient de matières aspirées (1) permettant de recevoir des matières aspirées,
    - un corps d'appareil (2) qui peut être relié de manière amovible au récipient de matières aspirées (1) et qui présente une unité d'entraînement conçue pour générer un courant d'air d'aspiration,
    caractérisé en ce qu'un conduit d'air (10) situé dans le récipient de matières aspirées (1) et un conduit d'aspiration (8) situé dans le corps de boîtier (2) présentent un trajet d'air pour le courant d'air d'aspiration lorsque le récipient de matières aspirées (1) et le corps de boîtier (2) sont dans un état relié pendant le fonctionnement, lequel trajet d'air est aligné le long d'un axe d'écoulement qui est parallèle à un axe de mouvement lors de la liaison du récipient de matières aspirées (1) et du corps d'appareil (2).
  2. Aspirateur cyclonique guidé à la main selon la revendication 1, caractérisé en ce que
    - le corps d'appareil (2) présente une plaque de base (13) et une douille (5) s'étendant à l'écart de la plaque de base (13), et
    - le récipient de matières aspirées (1) présente un boîtier (12) et un préfiltre (4) comportant une partie en forme de manchon qui est disposée dans le boîtier (12), une extrémité du boîtier (12) et une extrémité d'une partie de boîtier (15) du corps d'appareil (2) présentant un contour complémentaire et la partie en forme de manchon pouvant être placée sur la douille (5).
  3. Aspirateur cyclonique guidé à la main selon la revendication 2, caractérisé en ce que la douille (5) présente plusieurs cames d'encliquetage (6) et le préfiltre (4) présente plusieurs géométries de verrouillage (7) qui sont respectivement conçues et prévues pour recevoir respectivement une came d'encliquetage (6), chaque géométrie de verrouillage (7) présentant une fente (16) qui est ouverte en direction de la plaque de base (13) lorsque le récipient de matières aspirées (1) est placé sur le corps d'appareil (2), et respectivement une partie de verrouillage (17) s'étendant à l'écart de la fente (16) respective, laquelle partie de verrouillage étant fermée en direction de la plaque de base (13) et s'étendant angulairement à l'écart de la fente (16) respective dans la direction opposée à la plaque de base (13).
  4. Aspirateur cyclonique guidé à la main selon la revendication 3, caractérisé en ce que les fentes (16) des géométries de verrouillage (7) sont respectivement conçues de telle sorte que lorsque le préfiltre (4) est placé sur la douille (5), les cames d'encliquetage (6) sont guidées dans les fentes (16).
  5. Aspirateur cyclonique guidé à la main selon la revendication 3 ou 4, caractérisé en ce que les cames d'encliquetage (6) sont réparties selon un angle uniforme sur la circonférence de la douille (5) et les géométries de verrouillage (7) sont réparties uniformément sur la circonférence du préfiltre (4).
  6. Aspirateur cyclonique guidé à la main selon l'une des revendications 2 à 5, caractérisé en ce que la douille (5) et le préfiltre (4) sont respectivement conçus de manière au moins partiellement conique.
  7. Aspirateur cyclonique guidé à la main à main selon l'une des revendications précédentes, caractérisé par un élément de commande (3) qui est relié au récipient de matières aspirées (1) de telle manière que le récipient de matières aspirées (1) est disposé entre l'élément de commande (3) et le corps d'appareil (2), et en ce que l'élément de commande (3) est conçu pour pouvoir pivoter d'une position ouverte à une position fermée et inversement.
  8. Aspirateur cyclonique guidé à la main selon la revendication 7, caractérisé en ce que les géométries de verrouillage (7) sont conçues de telle sorte que, à l'état relié du récipient de matières aspirées (1) et du corps de boîtier (2), les cames d'encliquetage (6) sont insérées dans la partie de verrouillage (17) respective lorsque l'élément de commande (3) est dans la position fermée et sont insérées dans la fente (16) respective lorsque l'élément de commande (3) est disposé dans la position ouverte.
  9. Aspirateur cyclonique guidé à la main selon l'une des revendications précédentes 3 à 8, caractérisé par des biseaux d'introduction (11) qui sont respectivement disposés sur le préfiltre (4) à côté de l'une des parties de verrouillage (17) et adjacents à la fente (16) associée à la partie de verrouillage (17) respective, les cames d'encliquetage (6) présentant respectivement un chanfrein (18) sur leur côté dirigé vers le biseau d'introduction (11) lorsque le récipient de matières aspirées (1) est placé sur le corps d'appareil (2).
EP20151567.3A 2019-02-07 2020-01-14 Aspirateur cyclonique guidé à la main Active EP3692880B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019103002.1A DE102019103002A1 (de) 2019-02-07 2019-02-07 Handgeführter Zyklon-Staubsauger

Publications (2)

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

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EP20151567.3A Active EP3692880B1 (fr) 2019-02-07 2020-01-14 Aspirateur cyclonique guidé à la main

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EP (1) EP3692880B1 (fr)
DE (1) DE102019103002A1 (fr)

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 (zh) * 2016-11-01 2022-03-04 江苏美的清洁电器股份有限公司 尘杯组件和具有其的手持吸尘器

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DE102019103002A1 (de) 2020-08-13

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