EP2772172A2 - Plaque de support et procédé de fabrication d'une plaque de support - Google Patents

Plaque de support et procédé de fabrication d'une plaque de support Download PDF

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Publication number
EP2772172A2
EP2772172A2 EP14154784.4A EP14154784A EP2772172A2 EP 2772172 A2 EP2772172 A2 EP 2772172A2 EP 14154784 A EP14154784 A EP 14154784A EP 2772172 A2 EP2772172 A2 EP 2772172A2
Authority
EP
European Patent Office
Prior art keywords
base plate
closure element
holding
spring
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14154784.4A
Other languages
German (de)
English (en)
Other versions
EP2772172A3 (fr
EP2772172B1 (fr
Inventor
Nathalie Hellmann
Christoph Häusser
Jörg Matthias Kleppsch
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.)
Wolf PVG GmbH and Co KG
Original Assignee
Wolf PVG GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Wolf PVG GmbH and Co KG filed Critical Wolf PVG GmbH and Co KG
Publication of EP2772172A2 publication Critical patent/EP2772172A2/fr
Publication of EP2772172A3 publication Critical patent/EP2772172A3/fr
Application granted granted Critical
Publication of EP2772172B1 publication Critical patent/EP2772172B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/10Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1427Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
    • A47L9/1436Connecting plates, e.g. collars, end closures
    • A47L9/1445Connecting plates, e.g. collars, end closures with closure means
    • A47L9/1454Self-sealing closures, e.g. valves

Definitions

  • the present invention relates to a holding plate for a vacuum cleaner bag having a base plate on which an inflow opening is provided, which is closed by at least one pivotable closure element, which is biased by a spring in the closed position, and a method for producing a holding plate for a vacuum cleaner bag ,
  • the DE 10 2007 053 151 discloses a retaining plate for a vacuum cleaner yield, in which an inlet opening arranged on the retaining plate can be closed by means of a pivotable flap.
  • the flap can be pivoted from an inclined position and locked on the retaining plate. Although this allows the flap to be mechanically fixed to the retaining plate, the tightness is however limited.
  • the flap can not be opened to the inside of a vacuum cleaner bag, since the flap must be manually grasped for actuation.
  • the EP 2 025 278 discloses a holding plate for a vacuum cleaner bag, in which a pivotable closure flap is provided on the holding plate.
  • the closure flap is biased by a spring element into a closed position and can open to the inside of a dust bag.
  • fixation of the spring on the retaining plate and the mounting of the closure element are relatively expensive.
  • the holding plate according to the invention comprises a base plate with an inflow opening, which can be closed by at least one pivotable closure element, which is biased by a spring into a closed position, wherein the pivotable closure element is formed integrally with the base plate and arranged via a film hinge with a on the base plate Holding section is connected.
  • the holding plate can be effectively produced by making base plate and closure element integrally, for example by plastic injection molding, and moreover, the closure element can also open to the inside of a vacuum cleaner bag, as it is biased by the spring in a closed position.
  • the tightness of the holding plate in the region of the inflow opening can be improved.
  • the holding section can be held pivotably on the base plate via a further film hinge, so that by pivoting the holding section relative to the base plate, the closure element can be brought into a position covering the inflow opening.
  • the holding portion may be clamped or detent fixed to the base plate, so that a simple assembly of a plastic blank to the finished plate is possible.
  • the spring may be formed as a leaf spring or helical spring, wherein a bending axis of the spring is aligned at an angle, preferably at right angles, to a rotational axis of the pivotable closure element.
  • the bending axis is the axis about which a bendable leg of the respective spring is pivoted, wherein the bending axis does not have to be a fixed axis of rotation, but depending on the bending load of the spring can also be moved.
  • the spring can be inserted or attached to a receptacle or a holding means on the base plate or the closure element. As a result, the spring can also be mounted on a plastic blank or the holding plate in an automated process if required.
  • annular collar projecting from the base plate is provided around the closure element.
  • the collar can thereby prevent a filter cake from accumulating in the region of the closure element and impairing the closure function.
  • the collar can have a recess in the region of the holding section, wherein the holding section in the mounted position forms a wall section which extends the collar, so that the holding plate in the mounted position around the closure element has a closed annular collar, which in sections through a wall section is formed on the holding portion.
  • At least one holding means may be formed on the base plate, on which the holding section can be fixed during folding. As a result, it is possible to dispense with further fastening means during assembly of the retaining plate.
  • a plastic blank having a base plate, in which an inflow opening is formed, and a closure element formed integrally with the base plate are first produced. Subsequently, the closure element is folded over the opening provided in the base plate inflow, wherein before, during or after folding a spring is mounted to bias the closure element in a closed position.
  • the holding plate can be provided with a few production steps and components.
  • the closure element is connected to a holding portion connected to the base plate via a film hinge, and the holding portion is folded together with the closure element.
  • a corresponding receptacle for inserting the holding portion may be formed in the base plate, so that it is locked or clamped to the base plate.
  • the spring is biased when folding the retaining portion and the closure element.
  • the spring can be mounted in a relaxed position on the holding plate or the plastic blank.
  • the plastic blank is preferably formed as a substantially flat plate-shaped part and the closure element and / or the holding portion are folded over by about 180 '°.
  • the closure element can be aligned at an angle to the holding section, so that the closure element is pivoted at a smaller angle than the holding section during assembly. This difference can be used to tension a spring provided on the plastic blank when folding over the holding section and the closure element.
  • the spring is preferably inserted into a receptacle on the plastic blank, before the holding section and / or the closure element is folded.
  • a holding plate 1 comprises a base plate 2 on which an integral plate-shaped closure element 3 is formed.
  • an inflow opening 4 is provided, in which a nozzle of a vacuum cleaner can be inserted.
  • a sealing ring 5 is provided made of an elastic material, which ensures a reliable seal.
  • the sealing ring 5 is surrounded by an annular holding portion 6, which is limited to the outside by an annular collar 7.
  • the collar 7 protrudes substantially perpendicularly from the base plate 2 and has a height of between 2 mm and 30 mm, in particular 5 mm to 20 mm, and ensures that the closure element upon growth of a filter cake is not obstructed within a vacuum cleaner bag, so that the shutter function can be performed reliably.
  • base plate 2 On the base plate 2 further recesses 8 or other means are provided which allow a mounting of the base plate 2 to corresponding fixing means of a vacuum cleaner.
  • the plate-shaped closure element 3 is designed as a flap, which is connected via a film hinge 9 with a strip-shaped holding portion 10.
  • the holding portion 10 is connected via a second film hinge 11 with the base plate 2.
  • the film hinges 9 and 11 are formed by material weakenings, which allow pivoting about the film hinge.
  • a recess 12 is formed, which forms a receptacle for the strip-shaped portion 10 when it is folded over the film hinge 11.
  • a projection 13 is formed on the base plate 2, which can be inserted into a corresponding opening 15 on the holding portion 10. It is also possible to provide other latching means or fastening means in order to fix the holding section 10 in a folded-over position on the base plate 2.
  • the annular collar 7 is provided in the region of the recess 12 for the holding portion 10 with a recess 14, so that the holding portion 10 can be folded with the closure element 3 up to the inflow opening 4 out. As in FIG. 2 is shown, is located on the holding portion 10, a wall portion 16 which closes the fold 14 of the retaining portion 10, the recess 14 on the annular collar 7, so that it is formed circumferentially.
  • a spring 18 is further mounted, which is formed as a leaf spring and is formed of a V-shaped metal strip. At a kink 19 of the spring 18 adjacent retaining webs 17 are arranged to support the spring in a central region. Both legs of the spring 18 abut against a projection 20 which protrudes from the closure element 3.
  • FIGS. 3A to 3E The mounting of a holding plate 1 according to the invention is described with reference to the FIGS. 3A to 3E explained in more detail, wherein there the support plate 1 is modified in some details and the same components are provided with the same reference numerals.
  • FIG. 3A a formed as a plastic blank holding plate 1 'is shown, which has a base plate 2', on which a closure member 10, a closure element 3 is integrally formed.
  • the plastic blank is formed as a substantially plate-shaped planar component.
  • the base plate 2 ' instead of a web-shaped collar, the base plate 2 'has a double-walled, U-shaped or V-shaped collar 7', which protrudes from the plane of the inflow opening 4 in the base plate 2 '.
  • a modified projection 13' is provided which serves to fix the holding portion 10.
  • a spring 18 can be mounted in the form of a V-shaped leaf spring, as shown by the arrows.
  • FIG. 3B the spring 18 is mounted on the plastic blank, wherein the spring 18 abuts with the two end portions of projections 20 on the closure element 3, while a central region adjacent to the kink 19 is supported on wall portions 16.
  • the holding section 10 is now pivoted about the film hinge 11, as in FIG. 3C is shown.
  • the closure element 3 is pivoted together with the holding portion 10 until the in Figure 3D shown position is reached.
  • Figure 3D is an end facing away from the film hinge 9 of the closure element 3 in contact with the base plate 2 'or the sealing element 5 on the base plate 2' and can not be pivoted now.
  • the holding portion 10 is not yet aligned parallel to the base plate 2 ', but at an angle between 4 ° and 30 °, in particular 8 ° and 20 °, inclined. If the holding section 10 is then pivoted further towards the base plate 2 ', the closure element 3 rotates about the film hinge 9 counter to the previous pivoting direction and can thereby tension the spring 18.
  • FIG. 3E the holding plate 1 'is shown in the mounted position.
  • the closure element 3 is now aligned parallel to the base plate 2 'and the holding portion 10 is fixed to a projection 13' of the base plate 2 ', for example via latching means, a clamping fixing or gluing.
  • the spring 18 was biased so that the closure element 3 in the illustrated closed position with a certain contact pressure on the base plate 2 'or a sealing element 5 is applied.
  • the holding plate 1 or 1 ' is made as a one-piece component made of plastic.
  • the spring 18 can be inserted or plugged into the plastic blank and stretched when folding the holding portion 10.
  • another spring element for example a strip-shaped leaf spring or a helical spring, can also be placed on the plastic blank.
  • the spring 18 instead of being fixed to the holding section 10, the spring 18 can also be fixed to the closure element 3 and then abuts a contact surface on the holding section or the base plate 2, 2 'in order to bias the closure element 3 in a closing direction.
  • the inflow opening 4 is covered by a single closure element 3. It is of course also possible to close the inflow opening 4 via two or more closure elements 3, which can each be biased individually via a spring 18 into a closed position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
EP14154784.4A 2013-02-28 2014-02-12 Plaque de support et procédé de fabrication d'une plaque de support Active EP2772172B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013101992.7A DE102013101992A1 (de) 2013-02-28 2013-02-28 Halteplatte und Verfahren zur Herstellung einer Halteplatte

Publications (3)

Publication Number Publication Date
EP2772172A2 true EP2772172A2 (fr) 2014-09-03
EP2772172A3 EP2772172A3 (fr) 2018-03-28
EP2772172B1 EP2772172B1 (fr) 2019-04-17

Family

ID=50151107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14154784.4A Active EP2772172B1 (fr) 2013-02-28 2014-02-12 Plaque de support et procédé de fabrication d'une plaque de support

Country Status (2)

Country Link
EP (1) EP2772172B1 (fr)
DE (1) DE102013101992A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4133983B1 (fr) 2021-08-13 2024-06-26 Miele & Cie. KG Sac à poussière

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015103517A1 (de) * 2015-03-10 2016-09-15 Branofilter Gmbh Staubfilterbeutel zum Einsatz in einem Staubsauggerät
DE102015104624A1 (de) * 2015-03-26 2016-09-29 Miele & Cie. Kg Halteplatte für einen Staubbeutel mit einer Einströmöffnung und einem Verschlusselement
ES2894104T3 (es) * 2016-03-17 2022-02-11 Eurofilters Holding Nv Placa de sujeción con cierre mejorado
US11547257B2 (en) 2020-02-04 2023-01-10 Dustless Depot, Llc Vacuum bag with inlet gasket and closure seal
DE102020128162A1 (de) 2020-10-27 2022-04-28 Alfred Kärcher SE & Co. KG Sauggerät und Filterbeutel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2025278A1 (fr) 2007-08-17 2009-02-18 Eurofilters Holding N.V Sac d'aspirateur
DE102007053151A1 (de) 2007-11-08 2009-05-14 Wolf Pvg Gmbh & Co. Kg Halteplatte für einen Staubsaugerbeutel und Verfahren zu deren Herstellung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9219223U1 (de) * 1992-11-03 2000-10-19 Vorwerk & Co. Interholding GmbH, 42275 Wuppertal Staubfilterbeutel für einen Staubsauger
DE9302002U1 (de) * 1993-02-12 1993-04-01 Wolfgang B. Schroeter GmbH, 4973 Vlotho Filtereinrichtung für einen Staubsauger
HUT74220A (en) * 1993-12-03 1996-11-28 Vorwerk Co Interholding Filter bag for a vacuum cleaner
DE4415350A1 (de) * 1994-05-02 1995-11-16 Vorwerk Co Interholding Staubfilterbeutel für einen Staubsauger
DE19948909A1 (de) * 1999-10-11 2001-04-12 Vorwerk Co Interholding Filterbeutel für einen Staubsauger
ATE410112T1 (de) 2006-04-25 2008-10-15 Eurofilters Holding Nv Halteplatte für einen staubsaugerfilterbeutel
DE202006017084U1 (de) * 2006-11-09 2007-01-18 Branofilter Gmbh Anschlussstück für einen Staubfilterbeutel sowie mit einem solchen Anschlussstück ausgestatteter Staubfilterbeutel
DE102008046200B4 (de) 2007-09-28 2016-09-15 Vorwerk & Co. Interholding Gmbh Filterbeutel für einen Staubsauger
DE102008017575B4 (de) 2008-04-07 2011-11-10 Herbert Wulbrandt Halteplatte für Staubsaugerbeutel mit automatischem Verschluss
DE202008006904U1 (de) 2008-05-21 2009-10-15 Wolf Pvg Gmbh & Co. Kg Halteplatte für einen Staubsaugerbeutel
DE102011008117A1 (de) * 2010-10-05 2012-04-05 Herbert Wulbrandt Verschluss einer Halteplatte für Staubsaugerbeutel und deren Fertigung
DE102012012999B4 (de) * 2012-01-24 2017-06-14 Elku Bauteile GmbH Halteplatte für Staubsaugerbeutel mit automatischem Verschluss mit einem elastischen Element

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2025278A1 (fr) 2007-08-17 2009-02-18 Eurofilters Holding N.V Sac d'aspirateur
DE102007053151A1 (de) 2007-11-08 2009-05-14 Wolf Pvg Gmbh & Co. Kg Halteplatte für einen Staubsaugerbeutel und Verfahren zu deren Herstellung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4133983B1 (fr) 2021-08-13 2024-06-26 Miele & Cie. KG Sac à poussière

Also Published As

Publication number Publication date
EP2772172A3 (fr) 2018-03-28
EP2772172B1 (fr) 2019-04-17
DE102013101992A1 (de) 2014-08-28

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