EP1784108A1 - Filter stop with a molded-on spring - Google Patents

Filter stop with a molded-on spring

Info

Publication number
EP1784108A1
EP1784108A1 EP05771974A EP05771974A EP1784108A1 EP 1784108 A1 EP1784108 A1 EP 1784108A1 EP 05771974 A EP05771974 A EP 05771974A EP 05771974 A EP05771974 A EP 05771974A EP 1784108 A1 EP1784108 A1 EP 1784108A1
Authority
EP
European Patent Office
Prior art keywords
carrier
spring element
housing
vacuum cleaner
operating position
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
EP05771974A
Other languages
German (de)
French (fr)
Other versions
EP1784108B1 (en
Inventor
Stefan Bockelt
Karl Fleck
Thomas Seith
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1784108A1 publication Critical patent/EP1784108A1/en
Application granted granted Critical
Publication of EP1784108B1 publication Critical patent/EP1784108B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • 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
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
    • A47L9/1472—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters combined with security means, e.g. for preventing use, e.g. in case of absence of the bag

Definitions

  • the invention relates to a vacuum cleaner with a carrier for an insertable dust collecting device according to the preamble of claim 1.
  • a vacuum cleaner on the market has a housing with a dust chamber, in which a dust collecting device is used, which is held by means of a movably mounted between a rest position and an operating position carrier, which is biased in the operating position by a spring element in the direction of rest position and which is coupled to a locking member which is operatively inserted into the carrier dust collection device in a release position in which a dust chamber lid is closed and which is located in the filter carrier removed dust collection device in a locked position in which closing the dust chamber cover is prevented.
  • the spring element is designed as a metal strip made of spring steel and held clamped between the carrier and the housing of the vacuum cleaner. When moving the carrier from the rest position to the operating position, the inserted spring element is biased with steadily increasing spring force.
  • a disadvantage of this prior art is that the spring element is biased in the operating position with its largest spring force. This highly biased operating position of the spring element is not only present during operation of the vacuum cleaner, but also remains unchanged outside the use of the vacuum cleaner, since a vacuum cleaner is usually stored with inserted dust collector and closed dust chamber cover. This fact is particularly disadvantageous if the spring element is not made of a metallic material, but of plastic.
  • the object of the invention is to reduce the material load of the spring element.
  • the material load for the spring element should be achieved in particular by reducing the maximum preload force.
  • the object of the invention is achieved in a generic vacuum cleaner, characterized in that the spring element has a support at an edge portion of the housing free end, the bias to one between Rest position and operating position is formed at least approximately constant spring force.
  • the spring element is not fixed both ends as in the prior art, but only fixed on one side and has a free end, a change in position between the free end of the spring element and the wall portion of the housing, on which the free end of the spring element is supported, allows.
  • the force application point can be different in different positions of the carrier.
  • a suitable choice of the geometry of the free end of the spring element and the wall portion of the housing a continuous adjustment of the force application point for biasing the spring element can be adjusted over the entire path of the carrier between rest position and operating position.
  • the spring element In the rest position of the carrier, the spring element should preferably be positioned stress-free. Due to the stress-free arrangement of the spring element in the rest position of the carrier of the minimum possible bias state is created for the spring element, starting from which, the bias increases steadily when moving the carrier in the direction of the operating position. Furthermore, it is achieved by the stress-free positioning of the spring element in the rest position of the carrier, that the spring element is not biased beyond the rest position out against the operating position.
  • the spring element has a in the operating position of the carrier at an end stop of the carrier and housing ending travel.
  • the end stop ensures that the carrier can not be moved beyond the operating position. This prevents that the spring element is exposed to a beyond the operating position biasing force.
  • the end stop thus serves as protection against overloading and damaging the spring element.
  • the end stop can be formed by at least one projection provided on the carrier and projecting against a stop surface of the housing.
  • the projection of the carrier abuts against the abutment surface of the housing, all additional forces acting on the carrier can be transferred from the projection to the abutment surface without additionally loading the spring element.
  • the free end of the spring element for at least approximately maintaining constant the spring force when the carrier is pivoted on a cam-like sliding surface along the wall portion of the housing.
  • a spring voltage characteristic can also be preset which, although not nearly constant, corresponds to the respective task specifications of the designer of vacuum cleaners for the spring voltage characteristic.
  • the cam-like sliding surface can not be provided at the free end of the spring element but at the wall portion of the housing.
  • the free end of the spring element is preferably designed to slide along a cam-like sliding surface for at least approximately keeping the spring force constant while pivoting the carrier, which is provided on the wall section of the housing.
  • the contour to be adjusted for adjusting the spring contour is not realized at the free end of the spring element, but at the wall portion of the housing.
  • the carrier may be rotatably mounted on the housing about a pivot axis and a tongue-shaped spring element may have a free end connected to the carrier. Due to the design of the spring element in the tongue shape is
  • Spring element designed as a spiral spring. In a preferred embodiment, this is
  • Spring element and the carrier inexpensively formed as a one-piece plastic injection molded part.
  • the embodiments of the invention are preferably particularly advantageous when the spring element is made of plastic.
  • Figure 1 is a side view of a carrier according to the invention.
  • Figure 2 is a sectional view through a housing of a vacuum cleaner with the carrier of Figure 1 in a rest position;
  • Figure 3 shows the sectional view of Figure 2 with the carrier in a position between
  • Figure 4 shows the sectional view of Figure 2 with the carrier in the operating position.
  • An inventive carrier 1 according to Figure 1 is formed as a one-piece plastic injection molded part.
  • the carrier 1 has a U-shaped basic shape.
  • a first leg 2 of the U-shaped carrier 1 has a long guide wall 3 and a short guide wall 4.
  • the long guide wall 3 and the short guide wall 4 are arranged at a distance from one another parallel to each other.
  • a second leg 5 of the carrier 1 has a long guide wall 6 and a second short guide wall 7.
  • the second long guide wall 6 and second short guide wall 7 are arranged at a distance from each other and parallel to each other.
  • the first leg 2 together with the long guide wall 3 and the short guide wall 4 along the axis 8 mirror-symmetrical to the second leg 5 with the second long guide wall 6 and the second short guide wall 7 is formed.
  • the first leg 2 and the second leg 5 are held over a middle connection region 10.
  • the connecting portion 10 is box-shaped and stiffening ribs 1 1 on.
  • the stiffening ribs 1 1 intersect and terminate at a side wall 12 of the box-like connecting portion 10.
  • a spring element 13 is formed at the box-like connection portion 10.
  • the spring element 13 is arranged in the middle of the U-shaped carrier 1 and extends along the axis 8.
  • the spring element 13 has a freely projecting end 14 that extends beyond a pivot axis 15 of the carrier 1.
  • the freely projecting end 14 of the spring element 13 is separated by means of two recesses 15 of the box-like connection portion 10.
  • pivot pins 16 are formed.
  • the pivot pins 16 of the carrier 1 engage in pivot bearing 17 on the housing 18 (FIG. 2).
  • the connecting portion 10 has a further side wall 20, on which two projections 19 are formed.
  • FIG. 2 shows a partial sectional view through the housing 18.
  • the carrier 1 is inserted by means of its pivot pin 16 in the pivot bearing 17 of the housing 18.
  • In the illustrated rest position is a cam-like sliding surface 21 of the cantilevered end 14 of the spring element 13 to a wall portion 22 of the housing 18 at.
  • the wall portion 22 is integrally formed on a side wall 23 of the housing 18, which defines a dust chamber 24.
  • One of the side wall 23 opposite the second side wall 25 separates the dust chamber 24 from a blower chamber shown cut 26.
  • the second side wall 25 has a suction port 27 through which dust filtered air from the dust chamber 24 can enter the fan chamber 26.
  • the fan chamber 26 opposite a hinge member 28 is formed outside the dust chamber 24 beyond the side wall 23 to which a dust chamber cover 29 is pivotally mounted.
  • no dust collecting device is inserted into the carrier 1.
  • a shoulder 30 formed on which a housing edge 31 of the dust chamber lid 29 abutting. The carrier 1 thus forms a barrier for the dust chamber cover 29, so that the dust chamber cover can not be closed in the absence of dust collection device.
  • FIG. 3 shows the carrier 1 in a position between the rest position according to FIG. 2 and an operating position according to FIG. 4.
  • the cam-like sliding surface 21 slips along the wall section 22 of the housing 18.
  • a restoring force is exerted on the carrier 1, which tries to return the carrier 1 in the rest position shown in Figure 2, when no dust collecting device is inserted into the carrier 1.
  • dust collection device is due to the additional weight of the dust collection device of the carrier 1 from the in FIG 2 shown in a pivoted position, approximately the position as shown in Figure 3, provided.
  • the dust chamber cover 29 can be guided past the shoulder 30, so that the carrier 1 forms no barrier and the dust chamber cover 29 can be closed without hindrance.
  • the carrier 1 is pivoted to its operating position, as shown in FIG.
  • the cam-like sliding surface 21 of the spring element 13 is slid along the maximum length provided along the wall portion 22.
  • a biasing force is exerted on the carrier 1 by the concern of the cam-like sliding surface 21 of the spring element 13 on the wall portion 22, which tries to pivot the carrier 1 in the direction of the rest position shown in FIG.
  • the dust collecting device used in the carrier 1 is largely airtight pressed against an intake manifold 32 of the dust chamber cover 29.
  • the end stop for the carrier 1 is reached and the projection 19 abuts against a stop surface 33 on the housing 18.

Abstract

The invention relates to vacuum cleaner comprising a housing that has a dust compartment inside of which a dust collecting device can be placed that is held by means of a support mounted in a manner that enables it to move between a non-operating position and an operating position. When in an operating position, the support is pretensioned by a spring element toward the non-operating position and is coupled with the stop element. When the dust collecting device is placed in the support for operation, said stop element is located in an enabling position, in which a dust compartment lid can be closed, and is located in a stopping position when the dust collecting device is removed from the support whereby preventing the dust compartment lid from being closed. In order to reduce the material load of the spring element, the invention provides that the spring element has a free end, which is supported on a wall section of the housing and which is designed for pretensioning it with a spring force that is almost constant between the non-operating position and the operating position.

Description

Filtersperre mit angeformter Feder Filter lock with molded spring
Die Erfindung betrifft einen Staubsauger mit einem Träger für eine einsetzbare Staubsammelvorrichtung gemäß dem Oberbegriff des Patentanspruches 1 .The invention relates to a vacuum cleaner with a carrier for an insertable dust collecting device according to the preamble of claim 1.
Ein auf dem Markt befindlicher Staubsauger weist ein Gehäuse mit einem Staubraum auf, in den eine Staubsammelvorrichtung einsetzbar ist, die mittels eines zwischen einer Ruheposition und einer Betriebsposition beweglich gelagerten Trägers gehalten ist, der in der Betriebsposition durch ein Federelement in Richtung der Ruheposition vorgespannt ist und der mit einem Sperrglied gekoppelt ist, das sich bei betriebsgemäß in den Träger eingesetzter Staubsammelvorrichtung in einer Freigabeposition befindet, in der ein Staubraumdeckel verschließbar ist und das sich bei aus dem Filterträger entnommener Staubsammelvorrichtung in einer Sperrposition befindet, in der ein Schließen des Staubraumdeckels verhindert ist. Das Federelement ist als Metallstreifen aus Federstahl ausgebildet und zwischen Träger und Gehäuse des Staubsaugers eingespannt gehalten. Bei Bewegen des Trägers aus der Ruheposition in die Betriebsposition wird das eingesetzte Federelement mit stetig zunehmender Federkraft vorgespannt. Nachteilig an diesem Stand der Technik ist es, dass das Federelement in der Betriebsposition mit seiner größten Federkraft vorgespannt ist. Diese hochvorgespannte Betriebsposition des Federelements ist nicht nur während des Betriebs des Staubsaugers vorhanden, sondern bleibt auch außerhalb der Benutzung des Staubsaugers unverändert erhalten, da ein Staubsauger üblicherweise mit eingesetzter Staubsammelvorrichtung und geschlossenem Staubraumdeckel aufbewahrt wird. Dieser Umstand ist besonders dann nachteilig, wenn das Federelement nicht aus einem metallischen Werkstoff, sondern aus Kunststoff hergestellt ist.A vacuum cleaner on the market has a housing with a dust chamber, in which a dust collecting device is used, which is held by means of a movably mounted between a rest position and an operating position carrier, which is biased in the operating position by a spring element in the direction of rest position and which is coupled to a locking member which is operatively inserted into the carrier dust collection device in a release position in which a dust chamber lid is closed and which is located in the filter carrier removed dust collection device in a locked position in which closing the dust chamber cover is prevented. The spring element is designed as a metal strip made of spring steel and held clamped between the carrier and the housing of the vacuum cleaner. When moving the carrier from the rest position to the operating position, the inserted spring element is biased with steadily increasing spring force. A disadvantage of this prior art is that the spring element is biased in the operating position with its largest spring force. This highly biased operating position of the spring element is not only present during operation of the vacuum cleaner, but also remains unchanged outside the use of the vacuum cleaner, since a vacuum cleaner is usually stored with inserted dust collector and closed dust chamber cover. This fact is particularly disadvantageous if the spring element is not made of a metallic material, but of plastic.
Aufgabe der Erfindung ist es, die Materialbelastung des Federelements zu verringern. Die Materialbelastung für das Federelement soll insbesondere durch Verringerung der maximalen Vorspannkraft erreicht werden.The object of the invention is to reduce the material load of the spring element. The material load for the spring element should be achieved in particular by reducing the maximum preload force.
Die erfindungsgemäße Aufgabe wird bei einem gattungsgemäßen Staubsauger dadurch gelöst, dass das Federelement ein sich an einem Randabschnitt des Gehäuses abstützendes freies Ende aufweist, das zu seiner Vorspannung mit einer zwischen Ruheposition und Betriebsposition zumindest annähernd konstanten Federkraft ausgebildet ist. Indem das Federelement nicht wie im Stand der Technik beidendig festgelegt ist, sondern nur einseitig festgelegt und ein freies Ende aufweist, wird eine Lageveränderung zwischen dem freien Ende des Federelements und dem Wandabschnitt des Gehäuses, an dem sich das freie Ende des Federelements abstützt, ermöglicht. Dadurch kann der Kraftangriffspunkt in unterschiedlichen Positionen des Trägers unterschiedlich sein. Durch eine geeignete Wahl der Geometrie des freien Endes des Federelements und des Wandabschnitts des Gehäuses kann über den gesamten Weg des Trägers zwischen Ruheposition und Betriebsposition eine kontinuierliche Anpassung des Kraftangriffspunktes zur Vorspannung des Federelements eingestellt werden.The object of the invention is achieved in a generic vacuum cleaner, characterized in that the spring element has a support at an edge portion of the housing free end, the bias to one between Rest position and operating position is formed at least approximately constant spring force. By the spring element is not fixed both ends as in the prior art, but only fixed on one side and has a free end, a change in position between the free end of the spring element and the wall portion of the housing, on which the free end of the spring element is supported, allows. As a result, the force application point can be different in different positions of the carrier. By a suitable choice of the geometry of the free end of the spring element and the wall portion of the housing, a continuous adjustment of the force application point for biasing the spring element can be adjusted over the entire path of the carrier between rest position and operating position.
In der Ruheposition des Trägers soll das Federelement vorzugsweise spannungsfrei positioniert sein. Durch die spannungsfreie Anordnung des Federelements in der Ruheposition des Trägers wird der minimal mögliche Vorspannungszustand für das Federelement geschaffen, von dem ausgehend die Vorspannung bei Bewegen des Trägers in Richtung der Betriebsposition stetig zunimmt. Des Weiteren wird durch die spannungsfreie Positionierung des Federelements in der Ruheposition des Trägers erreicht, dass das Federelement nicht über die Ruheposition hinaus entgegen der Betriebsposition vorgespannt ist.In the rest position of the carrier, the spring element should preferably be positioned stress-free. Due to the stress-free arrangement of the spring element in the rest position of the carrier of the minimum possible bias state is created for the spring element, starting from which, the bias increases steadily when moving the carrier in the direction of the operating position. Furthermore, it is achieved by the stress-free positioning of the spring element in the rest position of the carrier, that the spring element is not biased beyond the rest position out against the operating position.
In einer vorteilhaften Ausgestaltung der Erfindung weist das Federelement einen in der Betriebsposition des Trägers an einem Endanschlag von Träger und Gehäuse endenden Federweg auf. Durch den Endanschlag wird erreicht, dass der Träger nicht über die Betriebsposition hinaus bewegt werden kann. Dadurch ist verhindert, dass das Federelement einer über die Betriebsposition hinausgehende Vorspannkraft ausgesetzt ist. Der Endanschlag dient somit als Schutz gegen Überlastung und Beschädigung des Federelements.In an advantageous embodiment of the invention, the spring element has a in the operating position of the carrier at an end stop of the carrier and housing ending travel. The end stop ensures that the carrier can not be moved beyond the operating position. This prevents that the spring element is exposed to a beyond the operating position biasing force. The end stop thus serves as protection against overloading and damaging the spring element.
Der Endanschlag kann von mindestens einen am Träger vorgesehenen, an eine Anschlagfläche des Gehäuses anstehenden Vorsprung gebildet werden. Wenn der Vorsprung des Trägers an der Anschlagfläche des Gehäuses ansteht, können alle zusätzlich auf dem Träger einwirkenden Kräfte von dem Vorsprung auf die Anschlagfläche übertragen werden, ohne das Federelement zusätzlich zu belasten. In einer bevorzugten Ausführungsform der Erfindung weist das freie Ende des Federelements zur zumindest annähernden Konstanthaltung der Federkraft bei Schwenken des Trägers eine an dem Wandabschnitt des Gehäuses entlangleitende nockenartige Gleitfläche auf. Durch geeignete Wahl der Kontur der Gleitfläche kann eine definierte Federkennlinie zwischen Ruheposition und Betriebsposition des Trägers eingestellt werden. Durch Änderung des Kraftangriffspunktes und der Kraftangriffsrichtung können die Kräfte gesteuert in das Federelement eingeleitet werden. Vorzugsweise sollte dies so erfolgen, dass zumindest annähernd eine konstante oder zumindest nur geringfügig sich annähernde Federspannung im Federelement einstellt. Im Rahmen dieses Ausführungsbeispiels mit definierter Federkennlinie kann auch ein Federspannungsverlauf vorgegeben werden, der zwar nicht annähernd konstant ist, aber die jeweiligen aufgabengemäßen Vorgaben des Konstrukteurs von Staubsaugern für den Federspannungsverlauf entspricht.The end stop can be formed by at least one projection provided on the carrier and projecting against a stop surface of the housing. When the projection of the carrier abuts against the abutment surface of the housing, all additional forces acting on the carrier can be transferred from the projection to the abutment surface without additionally loading the spring element. In a preferred embodiment of the invention, the free end of the spring element for at least approximately maintaining constant the spring force when the carrier is pivoted on a cam-like sliding surface along the wall portion of the housing. By suitable choice of the contour of the sliding surface, a defined spring characteristic between the rest position and the operating position of the carrier can be adjusted. By changing the force application point and the force application direction, the forces can be controlled in the spring element initiated. Preferably, this should be done so that at least approximately sets a constant or at least only slightly approaching spring tension in the spring element. In the context of this embodiment with a defined spring characteristic, a spring voltage characteristic can also be preset which, although not nearly constant, corresponds to the respective task specifications of the designer of vacuum cleaners for the spring voltage characteristic.
Alternativ zu dieser bevorzugten Ausführungsform kann die nockenartige Gleitfläche nicht am freien Ende des Federelements sondern am Wandabschnitt des Gehäuses vorgesehen sein. Das freie Ende des Federelements ist dabei vorzugsweise zur zumindest annähernden Konstanthaltung der Federkraft bei Schwenken des Trägers an einer nockenartigen Gleitfläche entlanggleitend ausgebildet, die an dem Wandabschnitt des Gehäuses vorgesehen ist. Bei dieser Variante wird die zur Einstellung der Federvorspannung anzupassende Kontur nicht am freien Ende des Federelements, sondern am Wandabschnitt des Gehäuses realisiert.As an alternative to this preferred embodiment, the cam-like sliding surface can not be provided at the free end of the spring element but at the wall portion of the housing. In this case, the free end of the spring element is preferably designed to slide along a cam-like sliding surface for at least approximately keeping the spring force constant while pivoting the carrier, which is provided on the wall section of the housing. In this variant, the contour to be adjusted for adjusting the spring contour is not realized at the free end of the spring element, but at the wall portion of the housing.
Der Träger kann um eine Schwenkachse drehbar am Gehäuse gelagert sein und ein zungenförmig ausgebildetes Federelement kann ein mit dem Träger verbundenes freies Ende aufweisen. Durch die Ausbildung des Federelements in Zungenform ist dasThe carrier may be rotatably mounted on the housing about a pivot axis and a tongue-shaped spring element may have a free end connected to the carrier. Due to the design of the spring element in the tongue shape is
Federelement als Biegefeder ausgebildet. In einer bevorzugten Ausführung ist dasSpring element designed as a spiral spring. In a preferred embodiment, this is
Federelement und der Träger kostengünstig als einteiliges Kunststoffspritzteil ausgebildet.Spring element and the carrier inexpensively formed as a one-piece plastic injection molded part.
Die erfindungsgemäßen Ausführungsformen sind vorzugsweise dann besonders vorteilhaft, wenn das Federelement aus Kunststoff hergestellt ist.The embodiments of the invention are preferably particularly advantageous when the spring element is made of plastic.
Die Erfindung ist anhand eines Ausführungsbeispiels in den folgenden Figuren 1 bis 4 näher erläutert. Es zeigen: - A -The invention is explained in more detail with reference to an embodiment in the following figures 1 to 4. Show it: - A -
Figur 1 eine Seitenansicht eines erfindungsgemäßen Trägers;Figure 1 is a side view of a carrier according to the invention;
Figur 2 eine Schnittansicht durch ein Gehäuse eines Staubsaugers mit dem Träger gemäß Figur 1 in einer Ruheposition;Figure 2 is a sectional view through a housing of a vacuum cleaner with the carrier of Figure 1 in a rest position;
Figur 3 die Schnittansicht gemäß Figur 2 mit dem Träger in einer Position zwischenFigure 3 shows the sectional view of Figure 2 with the carrier in a position between
Ruheposition und Betriebsposition;Rest position and operating position;
Figur 4 die Schnittansicht gemäß Figur 2 mit dem Träger in der Betriebsposition.Figure 4 shows the sectional view of Figure 2 with the carrier in the operating position.
Ein erfindungsgemäßer Träger 1 gemäß Figur 1 ist als einteiliges Kunststoffspritzgussteil ausgebildet. Der Träger 1 weist eine U-förmige Grundform auf. Ein erster Schenkel 2 des U-förmigen Trägers 1 weist eine lange Führungswand 3 und eine kurze Führungswand 4 auf. Die lange Führungswand 3 und die kurze Führungswand 4 sind in einem Abstand voneinander zueinander parallel verlaufend angeordnet. Ein zweiter Schenkel 5 des Trägers 1 weist eine lange Führungswand 6 und eine zweite kurze Führungswand 7 auf. Die zweite lange Führungswand 6 und zweite kurze Führungswand 7 sind in einem Abstand voneinander und parallel zueinander verlaufend angeordnet. Der erste Schenkel 2 zusammen mit der langen Führungswand 3 und der kurzen Führungswand 4 entlang der Achse 8 spiegelsymmetrisch zum zweiten Schenkel 5 mit der zweiten langen Führungswand 6 und der zweiten kurzen Führungswand 7 ausgebildet. Die ersten Führungswände 3 und 4 bilden zusammen mit den Führungswänden 6 und 7 einen Halteeinschub 9 für einen Flansch einer nicht dargestellten Staubsammelvorrichtung insbesondere dem Filterflansch eines Staubfilterbeutels. Der erste Schenkel 2 und der zweite Schenkel 5 sind über einen mittleren Verbindungsbereich 10 gehalten. Der Verbindungsbereich 10 ist kastenartig ausgebildet und Versteifungsrippen 1 1 auf. Die Versteifungsrippen 1 1 kreuzen sich und enden an einer Seitenwand 12 des kastenartigen Verbindungsbereichs 10. An dem kastenartigen Verbindungsbereich 10 ist ein Federelement 13 angeformt. Das Federelement 13 ist in der Mitte des U-förmigen Trägers 1 angeordnet und erstreckt sich entlang der Achse 8. Das Federelement 13 weist ein frei auskragendes Ende 14 auf, dass sich über eine Schwenkachse 15 des Trägers 1 hinauserstreckt. Für eine freie elastische Beweglichkeit des Federelements 13 ist das frei auskragende Ende 14 des Federelements 13 mittels zweier Aussparungen 15 von dem kastenartigen Verbindungsbereich 10 separiert. An zwei gegenüberliegenden Seitenwänden 12 des kastenartigen Verbindungsbereiches 10 sind Schwenkzapfen 16 angeformt. Für eine schwenkbare Lagerung des Trägers 1 in einem Gehäuse 18 greifen die Schwenkzapfen 16 des Trägers 1 in Schwenklager 17 am Gehäuse 18 ein (Figur 2). In einem rechten Winkel zu den Seitenwänden 12, welche die Schwenkzapfen 16 tragen, weist der Verbindungsbereich 10 eine weitere Seitenwand 20 auf, an denen zwei Vorsprünge 19 angeformt sind.An inventive carrier 1 according to Figure 1 is formed as a one-piece plastic injection molded part. The carrier 1 has a U-shaped basic shape. A first leg 2 of the U-shaped carrier 1 has a long guide wall 3 and a short guide wall 4. The long guide wall 3 and the short guide wall 4 are arranged at a distance from one another parallel to each other. A second leg 5 of the carrier 1 has a long guide wall 6 and a second short guide wall 7. The second long guide wall 6 and second short guide wall 7 are arranged at a distance from each other and parallel to each other. The first leg 2 together with the long guide wall 3 and the short guide wall 4 along the axis 8 mirror-symmetrical to the second leg 5 with the second long guide wall 6 and the second short guide wall 7 is formed. The first guide walls 3 and 4, together with the guide walls 6 and 7, a holding insert 9 for a flange of a dust collecting device, not shown, in particular the filter flange of a dust filter bag. The first leg 2 and the second leg 5 are held over a middle connection region 10. The connecting portion 10 is box-shaped and stiffening ribs 1 1 on. The stiffening ribs 1 1 intersect and terminate at a side wall 12 of the box-like connecting portion 10. At the box-like connection portion 10, a spring element 13 is formed. The spring element 13 is arranged in the middle of the U-shaped carrier 1 and extends along the axis 8. The spring element 13 has a freely projecting end 14 that extends beyond a pivot axis 15 of the carrier 1. For a free elastic mobility of the spring element 13, the freely projecting end 14 of the spring element 13 is separated by means of two recesses 15 of the box-like connection portion 10. At two opposite Side walls 12 of the box-like connection portion 10 pivot pins 16 are formed. For a pivotable mounting of the carrier 1 in a housing 18, the pivot pins 16 of the carrier 1 engage in pivot bearing 17 on the housing 18 (FIG. 2). At a right angle to the side walls 12, which carry the pivot pin 16, the connecting portion 10 has a further side wall 20, on which two projections 19 are formed.
Figur 2 zeigt eine Teilschnittansicht durch das Gehäuse 18. Der Träger 1 ist mittels seiner Schwenkzapfen 16 in die Schwenklager 17 des Gehäuses 18 eingesetzt. In der dargestellten Ruheposition liegt eine nockenartige Gleitfläche 21 des frei auskragenden Endes 14 des Federelements 13 an einem Wandabschnitt 22 des Gehäuses 18 an. Der Wandabschnitt 22 ist an einer Seitenwand 23 des Gehäuses 18 angeformt, die einen Staubraum 24 begrenzt. Eine der Seitenwand 23 gegenüberliegende zweiten Seitenwand 25 trennt den Staubraum 24 von einem geschnitten dargestellten Gebläseraum 26. Die zweite Seitenwand 25 weist eine Ansaugöffnung 27 auf durch die von Staub gefilterte Luft aus dem Staubraum 24 in den Gebläseraum 26 eintreten kann. Dem Gebläseraum 26 gegenüberliegend ist außerhalb des Staubraums 24 jenseits der Seitenwand 23 ein Scharnierelement 28 angeformt, an dem ein Staubraumdeckel 29 schwenkbar gelagert ist. In der in Figur 2 gezeigten Ruheposition des Trägers 1 ist keine Staubsammelvorrichtung in den Träger 1 eingesetzt. Um fehlender Staubsammelvorrichtung ein Schließen des Staubraumdeckels 29 zu verhindern. Ist am Träger 1 ein Absatz 30 angeformt, an dem eine Gehäusekante 31 des Staubraumdeckels 29 verhakend anliegt. Der Träger 1 bildet somit eine Sperre für den Staubraumdeckel 29, so dass der Staubraumdeckel bei fehlender Staubsammelvorrichtung nicht geschlossen werden kann.Figure 2 shows a partial sectional view through the housing 18. The carrier 1 is inserted by means of its pivot pin 16 in the pivot bearing 17 of the housing 18. In the illustrated rest position is a cam-like sliding surface 21 of the cantilevered end 14 of the spring element 13 to a wall portion 22 of the housing 18 at. The wall portion 22 is integrally formed on a side wall 23 of the housing 18, which defines a dust chamber 24. One of the side wall 23 opposite the second side wall 25 separates the dust chamber 24 from a blower chamber shown cut 26. The second side wall 25 has a suction port 27 through which dust filtered air from the dust chamber 24 can enter the fan chamber 26. The fan chamber 26 opposite a hinge member 28 is formed outside the dust chamber 24 beyond the side wall 23 to which a dust chamber cover 29 is pivotally mounted. In the rest position of the carrier 1 shown in FIG. 2, no dust collecting device is inserted into the carrier 1. To prevent missing dust collecting device closing the dust chamber cover 29. Is on the support 1, a shoulder 30 formed on which a housing edge 31 of the dust chamber lid 29 abutting. The carrier 1 thus forms a barrier for the dust chamber cover 29, so that the dust chamber cover can not be closed in the absence of dust collection device.
Figur 3 zeigt den Träger 1 in einer Position zwischen der Ruheposition gemäß Figur 2 und einer Betriebsposition gemäß Figur 4. In der gegenüber Figur 2 verschwenkten Lage des Trägers 1 ist die nockenartige Gleitfläche 21 ein Stück weit entlang des Wandabschnitts 22 des Gehäuses 18 entlanggeglitten. Durch das Federelement 13 wird eine Rückstellkraft auf den Träger 1 ausgeübt, die versucht den Träger 1 in die Ruheposition gemäß Figur 2 zurückzuführen, wenn keine Staubsammelvorrichtung in den Träger 1 eingesetzt ist. Bei in den Träger 1 eingesetzter Staubsammelvorrichtung wird aufgrund der zusätzlichen Gewichtskraft der Staubsammelvorrichtung der Träger 1 aus der in Figur 2 gezeigten Ruheposition in eine verschwenkte Position, in etwa der Lage wie sie in Figur 3 gezeigt ist, gestellt. Bereits in dieser Position kann der Staubraumdeckel 29 an dem Absatz 30 vorbeigeführt werden, so dass der Träger 1 keine Sperre bildet und der Staubraumdeckel 29 ungehindert geschlossen werden kann.FIG. 3 shows the carrier 1 in a position between the rest position according to FIG. 2 and an operating position according to FIG. 4. In the position of the carrier 1 pivoted relative to FIG. 2, the cam-like sliding surface 21 slips along the wall section 22 of the housing 18. By the spring element 13, a restoring force is exerted on the carrier 1, which tries to return the carrier 1 in the rest position shown in Figure 2, when no dust collecting device is inserted into the carrier 1. When used in the carrier 1 dust collection device is due to the additional weight of the dust collection device of the carrier 1 from the in FIG 2 shown in a pivoted position, approximately the position as shown in Figure 3, provided. Already in this position, the dust chamber cover 29 can be guided past the shoulder 30, so that the carrier 1 forms no barrier and the dust chamber cover 29 can be closed without hindrance.
Ist der Staubraumdeckel 29 geschlossen, so ist der Träger 1 bis in seine Betriebsposition, wie in Figur 4 dargestellt, verschwenkt. In dieser Betriebsposition ist die nockenartige Gleitfläche 21 des Federelements 13 über den maximal vorgesehenen Weg entlang dem Wandabschnitt 22 entlanggeglitten. Auch in dieser Betriebsposition wird durch das Anliegen der nockenartigen Gleitfläche 21 des Federelements 13 an dem Wandabschnitt 22 eine Vorspannkraft auf den Träger 1 ausgeübt, die versucht den Träger 1 in Richtung der Ruheposition gemäß Figur 2 zu verschwenken. Durch diese Vorspannkraft wird die in den Träger 1 eingesetzt Staubsammelvorrichtung weitgehend luftdicht gegen einen Ansaugstutzen 32 des Staubraumdeckels 29 gedrückt. In der in Figur 4 dargestellten Betriebsposition ist der Endanschlag für den Träger 1 erreicht und der Vorsprung 19 liegt an einer Anschlagfläche 33 am Gehäuse 18 an. If the dust chamber lid 29 is closed, then the carrier 1 is pivoted to its operating position, as shown in FIG. In this operating position, the cam-like sliding surface 21 of the spring element 13 is slid along the maximum length provided along the wall portion 22. Also in this operating position, a biasing force is exerted on the carrier 1 by the concern of the cam-like sliding surface 21 of the spring element 13 on the wall portion 22, which tries to pivot the carrier 1 in the direction of the rest position shown in FIG. By this biasing force, the dust collecting device used in the carrier 1 is largely airtight pressed against an intake manifold 32 of the dust chamber cover 29. In the operating position shown in Figure 4, the end stop for the carrier 1 is reached and the projection 19 abuts against a stop surface 33 on the housing 18.

Claims

Patentansprüche claims
1 . Staubsauger mit einem Gehäuse (18), das einen Staubraum (24) aufweist, in den eine Staubsammelvorrichtung einsetzbar ist, die mittels eines zwischen einer Ruheposition und einer Betriebsposition beweglich gelagerten Trägers (1 ) gehalten ist, der in der Betriebsposition durch ein Federelement (13) in Richtung der1 . Vacuum cleaner having a housing (18) which has a dust chamber (24) into which a dust collecting device can be inserted, which is held by means of a carrier (1) movably mounted between a rest position and an operating position, which in the operating position by a spring element (13 ) in the direction of
Ruheposition vorgespannt ist und der mit einem Sperrglied gekoppelt ist, das sich bei betriebsgemäß in den Träger (1 ) eingesetzter Staubsammelvorrichtung in einer Freigabeposition befindet, in der ein Staubraumdeckel (29) verschließbar ist und das sich bei aus dem Träger (1 ) entnommener Staubsammelvorrichtung in einer Sperrposition befindet, in der ein Schließen des Staubraumdeckels verhindert ist, dadurch gekennzeichnet, dass das Federelement (13) ein sich an einem Wandabschnitt (22) des Gehäuses (18) abstützendes freies Ende aufweist, das zu seiner Vorspannung mit einer zwischen Ruheposition und Betriebsposition zumindest annähernd konstanten Federkraft ausgebildet ist.Rest position is biased and is coupled to a locking member, which is operatively in the carrier (1) inserted dust collection device in a release position in which a dust chamber cover (29) is closable and in at the carrier (1) removed dust collection device in a locking position is located in which a closing of the dust chamber cover is prevented, characterized in that the spring element (13) on a wall portion (22) of the housing (18) supporting the free end, to its bias with a between rest position and operating position is formed at least approximately constant spring force.
2. Staubsauger nach Anspruch 1 , dadurch gekennzeichnet, dass das Federelement (13) in der Ruheposition spannungsfrei positioniert ist.2. Vacuum cleaner according to claim 1, characterized in that the spring element (13) is positioned stress-free in the rest position.
3. Staubsauger nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Federelement (13) einen in der Betriebsposition des Trägers (1 ) an einem3. Vacuum cleaner according to claim 1 or 2, characterized in that the spring element (13) in the operating position of the carrier (1) on a
Endanschlag von Träger (1 ) und Gehäuse (18) endenden Federweg aufweist.End stop of the carrier (1) and housing (18) endenden spring travel.
4. Staubsauger nach Anspruch 3, dadurch gekennzeichnet, dass der Endanschlag von mindestens einem am Träger (1 ) vorgesehenen, an einer Anschlagfläche des Gehäuses (18) anstehenden Vorsprung gebildet wird.4. Vacuum cleaner according to claim 3, characterized in that the end stop of at least one on the carrier (1) provided on a stop surface of the housing (18) projecting projection is formed.
5. Staubsauger nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das freie Ende (14) des Federelements (13) zur zumindest annähernden Konstanthaltung der Federkraft bei Schwenken des Trägers (1 ) eine an dem Wandabschnitt (22) des Gehäuses (18) entlanggleitende nockenartige Gleitfläche5. Vacuum cleaner according to one of claims 1 to 4, characterized in that the free end (14) of the spring element (13) for at least approximately maintaining constant the spring force during pivoting of the carrier (1) on the wall portion (22) of the housing (18 ) along sliding cam-like sliding surface
(21 ) aufweist. (21).
6. Staubsauger nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das freie Ende (14) des Federelements (13) zur zumindest annähernden Konstanthaltung der Federkraft bei Schwenken des Trägers (1 ) an einer nockenartige Gleitfläche (21 ) entlanggleitet, die an dem Wandabschnitt (22) des Gehäuses (18) vorgesehen ist.6. Vacuum cleaner according to one of claims 1 to 4, characterized in that the free end (14) of the spring element (13) for at least approximately keeping constant the spring force upon pivoting of the carrier (1) on a cam-like sliding surface (21) slides along the the wall portion (22) of the housing (18) is provided.
7. Staubsauger nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass der Träger (1 ) um eine Schwenkachse (15) drehbar am Gehäuse (18) gelagert ist und ein zungenförmig ausgebildetes Federelement (13) ein mit dem Träger (1 ) verbundenes festes Ende aufweist.7. Vacuum cleaner according to claim 5 or 6, characterized in that the carrier (1) about a pivot axis (15) is rotatably mounted on the housing (18) and a tongue-shaped spring element (13) connected to the carrier (1) fixed end having.
8. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Federelement (13) und der Träger (1 ) als einteiliges Kunststoffspritzgussteil ausgebildet ist. 8. Vacuum cleaner according to one of the preceding claims, characterized in that the spring element (13) and the carrier (1) is designed as a one-piece plastic injection molded part.
EP05771974A 2004-08-24 2005-08-02 Filter stop with a molded-on spring Not-in-force EP1784108B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410040981 DE102004040981A1 (en) 2004-08-24 2004-08-24 Filtersprerre with molded spring
PCT/EP2005/053772 WO2006021482A1 (en) 2004-08-24 2005-08-02 Filter stop with a molded-on spring

Publications (2)

Publication Number Publication Date
EP1784108A1 true EP1784108A1 (en) 2007-05-16
EP1784108B1 EP1784108B1 (en) 2012-10-10

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ID=35159793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05771974A Not-in-force EP1784108B1 (en) 2004-08-24 2005-08-02 Filter stop with a molded-on spring

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EP (1) EP1784108B1 (en)
CN (1) CN100536746C (en)
DE (1) DE102004040981A1 (en)
ES (1) ES2392980T3 (en)
WO (1) WO2006021482A1 (en)

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CN101596085B (en) * 2008-06-06 2012-10-03 乐金电子(天津)电器有限公司 Exhaust gas filter of dust collector
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Publication number Publication date
ES2392980T3 (en) 2012-12-17
CN101005785A (en) 2007-07-25
WO2006021482A1 (en) 2006-03-02
CN100536746C (en) 2009-09-09
DE102004040981A1 (en) 2006-03-02
EP1784108B1 (en) 2012-10-10

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