EP3862480A1 - Motor holding device for a motor of a domestic appliance - Google Patents

Motor holding device for a motor of a domestic appliance Download PDF

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Publication number
EP3862480A1
EP3862480A1 EP21150835.3A EP21150835A EP3862480A1 EP 3862480 A1 EP3862480 A1 EP 3862480A1 EP 21150835 A EP21150835 A EP 21150835A EP 3862480 A1 EP3862480 A1 EP 3862480A1
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EP
European Patent Office
Prior art keywords
motor
holding device
holding
leg
bearing bush
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Granted
Application number
EP21150835.3A
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German (de)
French (fr)
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EP3862480B1 (en
Inventor
Michael Müller
Martin Michael Zajak
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Miele und Cie KG
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Miele und Cie KG
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Publication of EP3862480A1 publication Critical patent/EP3862480A1/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • D06F58/08—Driving arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/206—Mounting of motor

Definitions

  • the invention relates to a motor holding device for a motor of a household appliance of the type mentioned in the preamble of claim 1.
  • Such motor holding devices are already known from the prior art in a large number of different embodiments and comprise a first holding leg and a second holding leg, the two holding legs being connected to one another in a force-transmitting manner in an assembly position of the motor holding device, and a first bearing bushing on the first holding leg and a second bearing bush for a motor shaft of the motor, which is arranged in alignment with the first bearing bush in the assembly position of the motor holding device, is arranged on the second holding leg.
  • the invention thus raises the problem of improving a motor holding device for a motor of a domestic appliance.
  • a motor holding device for a motor of a household appliance with the features of claim 1, which is characterized in that the first and second bearing bushes are each formed as an integral part of the respective holding leg.
  • the advantage that can be achieved with the invention is in particular that a motor holding device for a motor of a domestic appliance is improved. Due to the design of the motor holding device according to the invention, the number of components required is reduced, for example. Correspondingly, the assembly effort when transferring the motor holding device into its assembly position and the storage required for this are also simplified. A cost reduction in the production of the motor holding device is thus also possible.
  • the motor holding device according to the invention can be freely selected within wide suitable limits in terms of type, mode of operation, material, dimensioning and arrangement.
  • a particularly advantageous development of the motor holding device provides that the first bearing bush is / is elastically arranged on the remainder of the first holding leg and / or the second bearing bushing on the rest of the second holding leg. In this way, an undesired influence of external forces on the mounting of the motor shaft of the motor for the household appliance is effectively reduced. Because of the elastic and thus the damping connection of the first and / or second bearing bush with the rest of the respective corresponding retaining leg, for example, the use of separate rubber buffers or the like arranged between the respective bearing bush and the rest of the corresponding retaining leg is not required. In addition, by means of the development, motor resonances are effectively decoupled from the rest of the household appliance to which the motor is attached by means of the motor holding device.
  • An advantageous development of the aforementioned embodiment of the motor holding device according to the invention provides that the first bearing bushing for elastic arrangement on the rest of the first retaining leg and / or the second bearing bushing for elastic arrangement on the rest of the second retaining leg has a plurality of between the respective bearing bushing and the corresponding Have / has the rest of the retaining leg formed webs.
  • the elastic arrangement of the first and / or second bearing bush on the rest of the retaining leg corresponding thereto is implemented in a structurally particularly simple manner.
  • An advantageous development of the last-mentioned embodiment of the motor holding device according to the invention provides that the plurality of webs are arranged distributed essentially uniformly around the circumference of the first and / or second bearing bush. In this way, force introduction and force transmission from the respective bearing bush to the remainder of the corresponding retaining leg is made possible, evenly distributed around the circumference of the first and / or second bearing bush.
  • each web of the plurality of webs has a curved course in a section arranged perpendicular to the motor shaft, each of the plurality of webs being curved in the same direction is designed, preferably that each web extends from the respective bearing bush in the direction of rotation of the motor shaft outwards to the respectively corresponding remainder of the retaining leg.
  • a further advantageous development of the motor holding device according to the invention provides that a circumferential seal for sealing the motor shaft is arranged on the first holding leg, preferably on the first bearing bush, and / or on the second holding limb, preferably on the second bearing bush.
  • a circumferential seal for sealing the motor shaft is arranged on the first holding leg, preferably on the first bearing bush, and / or on the second holding limb, preferably on the second bearing bush.
  • the motor shaft can be sealed in a structurally simple manner.
  • the use of a separate seal can be dispensed with.
  • thermoplastic elastomer preferably a thermoplastic vulcanizate.
  • the seal is particularly advantageous in terms of material. This applies in particular to the preferred embodiment of this development.
  • thermoplastic vulcanizates can be colored and welded and are an excellent substitute for rubber.
  • the seal is designed as a seal molded onto the corresponding holding leg in a two-component injection molding process. In this way, the seal and its cohesive connection with the corresponding holding leg are realized in a particularly simple manner in terms of production technology.
  • FIGs. 1 to 4 an embodiment of the motor holding device according to the invention for a motor of a household appliance is shown as an example.
  • the household appliance is designed as a clothes dryer, the motor, also not shown, being designed to drive a drum and a fan of the clothes dryer.
  • the motor is fastened by means of the motor holding device 2 to a floor module (not shown) of the household appliance.
  • the motor holding device 2 comprises a first holding limb 4 and a second holding limb 6, the two holding limbs 4, 6 in one in the Figs. 1 to 4
  • the illustrated mounting position of the motor holding device 2 are connected to one another in a force-transmitting manner, and wherein on the first holding leg 4 a first bearing bush 8 and on the second holding leg 6 a second bearing bush 10, which is arranged in alignment with the first bearing bush 8 in the mounting position of the motor holding device 2, for a motor shaft (not shown) of the Motor are arranged.
  • the first and second bearing bushes 8, 10 are each designed as an integral part of the respective retaining leg 4, 6.
  • the motor shaft of the motor is rotatably mounted on the motor holding device 2 by means of two roller bearings (not shown), one of the two roller bearings being inserted into the first bearing bush 8 and the other of the two rolling bearings being inserted into the second bearing bush 10 in a manner known to those skilled in the art.
  • the first bearing bush 8 is arranged elastically on the remainder of the first retaining leg 4 and the second bearing bush 10 is arranged elastically on the remainder of the second retaining leg 6, the first bearing bush 8 being elastically arranged on the remainder of the first retaining leg 4 and the second bearing bush 10 being elastic Arrangement on the remainder of the second retaining leg 6 have a plurality of webs 12, 14 formed between the respective bearing bushing 8, 10 and the corresponding remainder of the retaining leg 4, 6.
  • each web 12, 14 of the plurality of webs 12, 14 has a section arranged perpendicular to the motor shaft, that is to say parallel to the image plane of the Fig. 4 , a curved course, wherein each of the plurality of webs 12, 14 is curved in the same direction, and each web 12, 14 from the respective bearing bushing 8, 10 in the direction of rotation of the motor shaft outwards to the respectively corresponding remainder of the retaining leg 4, 6 runs.
  • the direction of rotation of the motor shaft is clockwise by one in the Fig. 4 illustrated axis of rotation 16 of the motor shaft.
  • a circumferential seal 18 for sealing the motor shaft is arranged on the second retaining leg 6, namely on the second bearing bush 10.
  • the circumferential seal 18 is made from a thermoplastic elastomer, namely a thermoplastic vulcanizate, the seal 18 being designed as a seal molded onto the corresponding second retaining leg 6 in a two-component injection molding process.
  • the seal 18 serves to seal the motor shaft from a process air duct (not shown) of the household appliance designed as a tumble dryer in order to prevent moisture from being carried over from the drying process, namely from a process air conducted in the process air duct, into the interior of the household appliance .
  • a shaft seal 20 is additionally provided for this in the present exemplary embodiment.
  • the invention is not limited to the present embodiment.
  • the invention can also be used advantageously in other household appliances with a motor having a motor shaft.

Abstract

Die Erfindung betrifft eine Motorhaltevorrichtung (2) für einen Motor eines Haushaltsgeräts, umfassend einen ersten Halteschenkel (4) und einen zweiten Halteschenkel (6), wobei die beiden Halteschenkel (4, 6) in einer Montagelage der Motorhaltevorrichtung (2) miteinander kraftübertragend verbunden sind, und wobei an dem ersten Halteschenkel (4) eine erste Lagerbuchse (8) und an dem zweiten Halteschenkel (6) eine in der Montagelage der Motorhaltevorrichtung (2) zu der ersten Lagerbuchse (8) fluchtend angeordnete zweite Lagerbuchse (10) für eine Motorwelle des Motors angeordnet sind.Um eine Motorhaltevorrichtung (2) für einen Motor eines Haushaltsgeräts zu verbessern, wird vorgeschlagen, dass die erste und die zweite Lagerbuchse (8, 10) jeweils als ein integraler Bestandteil des jeweiligen Halteschenkels (4, 6) ausgebildet sind.The invention relates to a motor holding device (2) for a motor of a household appliance, comprising a first holding limb (4) and a second holding limb (6), the two holding limbs (4, 6) being connected to one another in a force-transmitting manner in an assembly position of the motor holding device (2) , and wherein on the first retaining leg (4) a first bearing bush (8) and on the second retaining leg (6) a second bearing bush (10) for a motor shaft, which is arranged in alignment with the first bearing bush (8) in the assembly position of the motor holding device (2) In order to improve a motor holding device (2) for a motor of a household appliance, it is proposed that the first and second bearing bushes (8, 10) are each designed as an integral part of the respective holding leg (4, 6).

Description

Die Erfindung betrifft eine Motorhaltevorrichtung für einen Motor eines Haushaltsgeräts der im Oberbegriff des Patentanspruchs 1 genannten Art.The invention relates to a motor holding device for a motor of a household appliance of the type mentioned in the preamble of claim 1.

Derartige Motorhaltevorrichtungen sind aus dem Stand der Technik in einer Vielzahl von voneinander verschiedenen Ausführungsformen bereits vorbekannt und umfassen einen ersten Halteschenkel und einen zweiten Halteschenkel, wobei die beiden Halteschenkel in einer Montagelage der Motorhaltevorrichtung miteinander kraftübertragend verbunden sind, und wobei an dem ersten Halteschenkel eine erste Lagerbuchse und an dem zweiten Halteschenkel eine in der Montagelage der Motorhaltevorrichtung zu der ersten Lagerbuchse fluchtend angeordnete zweite Lagerbuchse für eine Motorwelle des Motors angeordnet sind.Such motor holding devices are already known from the prior art in a large number of different embodiments and comprise a first holding leg and a second holding leg, the two holding legs being connected to one another in a force-transmitting manner in an assembly position of the motor holding device, and a first bearing bushing on the first holding leg and a second bearing bush for a motor shaft of the motor, which is arranged in alignment with the first bearing bush in the assembly position of the motor holding device, is arranged on the second holding leg.

Der Erfindung stellt sich somit das Problem, eine Motorhaltevorrichtung für einen Motor eines Haushaltsgeräts zu verbessern.The invention thus raises the problem of improving a motor holding device for a motor of a domestic appliance.

Erfindungsgemäß wird dieses Problem durch eine Motorhaltevorrichtung für einen Motor eines Haushaltsgeräts mit den Merkmalen des Patentanspruchs 1 gelöst, die dadurch gekennzeichnet ist, dass die erste und die zweite Lagerbuchse jeweils als ein integraler Bestandteil des jeweiligen Halteschenkels ausgebildet sind. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den nachfolgenden Unteransprüchen.According to the invention, this problem is solved by a motor holding device for a motor of a household appliance with the features of claim 1, which is characterized in that the first and second bearing bushes are each formed as an integral part of the respective holding leg. Advantageous refinements and developments of the invention emerge from the following subclaims.

Der mit der Erfindung erreichbare Vorteil besteht insbesondere darin, dass eine Motorhaltevorrichtung für einen Motor eines Haushaltsgeräts verbessert ist. Aufgrund der erfindungsgemäßen Ausbildung der Motorhaltevorrichtung ist beispielsweise die Anzahl der erforderlichen Bauteile reduziert. Entsprechend vereinfacht sich auch der Montageaufwand bei der Überführung der Motorhaltevorrichtung in deren Montagelage sowie die dafür erforderliche Lagerhaltung. Eine Kostenreduktion bei der Herstellung der Motorhaltevorrichtung ist damit ebenfalls möglich.The advantage that can be achieved with the invention is in particular that a motor holding device for a motor of a domestic appliance is improved. Due to the design of the motor holding device according to the invention, the number of components required is reduced, for example. Correspondingly, the assembly effort when transferring the motor holding device into its assembly position and the storage required for this are also simplified. A cost reduction in the production of the motor holding device is thus also possible.

Grundsätzlich ist die erfindungsgemäße Motorhaltevorrichtung nach Art, Funktionsweise, Material, Dimensionierung und Anordnung in weiten geeigneten Grenzen frei wählbar.In principle, the motor holding device according to the invention can be freely selected within wide suitable limits in terms of type, mode of operation, material, dimensioning and arrangement.

Eine besonders vorteilhafte Weiterbildung der erfindungsgemäßen Motorhaltevorrichtung sieht vor, dass die erste Lagerbuchse an dem Rest des ersten Halteschenkels und/oder die zweite Lagerbuchse an dem Rest des zweiten Halteschenkels elastisch angeordnet sind/ist. Auf diese Weise ist ein ungewünschter Einfluss von äußeren Kräften auf die Lagerung der Motorwelle des Motors für das Haushaltsgerät wirksam reduziert. Aufgrund der elastischen und damit dämpfenden Verbindung der ersten und/oder zweiten Lagerbuchse mit dem Rest des jeweils korrespondierenden Halteschenkels ist beispielsweise der Einsatz von zwischen der jeweiligen Lagerbuchse und dem Rest des dazu korrespondierenden Halteschenkels angeordneten separaten Gummipuffern oder dergleichen nicht erforderlich. Mittels der Weiterbildung sind darüber hinaus Motorresonanzen wirksam von einem Rest des Haushaltsgeräts, an dem der Motor mittels der Motorhaltevorrichtung befestigt ist, entkoppelt.A particularly advantageous development of the motor holding device according to the invention provides that the first bearing bush is / is elastically arranged on the remainder of the first holding leg and / or the second bearing bushing on the rest of the second holding leg. In this way, an undesired influence of external forces on the mounting of the motor shaft of the motor for the household appliance is effectively reduced. Because of the elastic and thus the damping connection of the first and / or second bearing bush with the rest of the respective corresponding retaining leg, for example, the use of separate rubber buffers or the like arranged between the respective bearing bush and the rest of the corresponding retaining leg is not required. In addition, by means of the development, motor resonances are effectively decoupled from the rest of the household appliance to which the motor is attached by means of the motor holding device.

Eine vorteilhafte Weiterbildung der vorgenannten Ausführungsform der erfindungsgemäßen Motorhaltevorrichtung sieht vor, dass die erste Lagerbuchse zur elastischen Anordnung an dem Rest des ersten Halteschenkels und/oder die zweite Lagerbuchse zur elastischen Anordnung an dem Rest des zweiten Halteschenkels eine Mehrzahl von zwischen der jeweiligen Lagerbuchse und dem korrespondierenden Rest des Halteschenkels ausgebildeten Stegen aufweisen/aufweist. Hierdurch ist die elastische Anordnung der ersten und/oder zweiten Lagerbuchse an dem Rest des dazu korrespondierenden Halteschenkels auf konstruktiv besonders einfache Weise realisiert.An advantageous development of the aforementioned embodiment of the motor holding device according to the invention provides that the first bearing bushing for elastic arrangement on the rest of the first retaining leg and / or the second bearing bushing for elastic arrangement on the rest of the second retaining leg has a plurality of between the respective bearing bushing and the corresponding Have / has the rest of the retaining leg formed webs. As a result, the elastic arrangement of the first and / or second bearing bush on the rest of the retaining leg corresponding thereto is implemented in a structurally particularly simple manner.

Eine vorteilhafte Weiterbildung der letztgenannten Ausführungsform der erfindungsgemäßen Motorhaltevorrichtung sieht vor, dass die Mehrzahl an Stegen im Wesentlichen gleichmäßig um den Umfang der ersten und/oder zweiten Lagerbuchse verteilt angeordnet ist. Auf diese Weise ist eine gleichförmig um den Umfang der ersten und/oder zweiten Lagerbuchse verteilte Krafteinleitung und Kraftübertragung von der jeweiligen Lagerbuchse auf den Rest des korrespondierenden Halteschenkels ermöglicht.An advantageous development of the last-mentioned embodiment of the motor holding device according to the invention provides that the plurality of webs are arranged distributed essentially uniformly around the circumference of the first and / or second bearing bush. In this way, force introduction and force transmission from the respective bearing bush to the remainder of the corresponding retaining leg is made possible, evenly distributed around the circumference of the first and / or second bearing bush.

Eine vorteilhafte Weiterbildung der erfindungsgemäßen Motorhaltevorrichtung gemäß einer der beiden Ausführungsformen nach Anspruch 3 oder 4 sieht vor, dass jeder Steg der Mehrzahl von Stegen in einem senkrecht zu der Motorwelle angeordneten Schnitt einen gekrümmten Verlauf aufweist, wobei jeder der Mehrzahl von Stegen in die gleiche Richtung gekrümmt ausgebildet ist, bevorzugt, dass jeder Steg von der jeweiligen Lagerbuchse in Drehrichtung der Motorwelle nach außen zu dem jeweils korrespondierenden Rest des Halteschenkels verläuft. Hierdurch ist die Krafteinleitung und die Kraftübertragung von der Lagerbuchse auf der einen Seite mittels der Stege auf den Rest des korrespondierenden Halteschenkels auf der anderen Seite besonders vorteilhaft verwirklicht.An advantageous development of the motor holding device according to the invention according to one of the two embodiments according to claim 3 or 4 provides that each web of the plurality of webs has a curved course in a section arranged perpendicular to the motor shaft, each of the plurality of webs being curved in the same direction is designed, preferably that each web extends from the respective bearing bush in the direction of rotation of the motor shaft outwards to the respectively corresponding remainder of the retaining leg. In this way, the introduction of force and the transmission of force from the bearing bush on the one hand by means of the webs to the rest of the corresponding retaining leg on the other side are implemented particularly advantageously.

Eine weitere vorteilhafte Weiterbildung der erfindungsgemäßen Motorhaltevorrichtung sieht vor, dass an dem ersten Halteschenkel, bevorzugt an der ersten Lagerbuchse, und/oder an dem zweiten Halteschenkel, bevorzugt an der zweiten Lagerbuchse, eine umlaufende Dichtung zur Abdichtung der Motorwelle angeordnet ist. Auf diese Weise ist eine Abdichtung der Motorwelle auf konstruktiv einfache Art ermöglicht. Ferner ist dadurch der Einsatz einer separaten Dichtung verzichtbar.A further advantageous development of the motor holding device according to the invention provides that a circumferential seal for sealing the motor shaft is arranged on the first holding leg, preferably on the first bearing bush, and / or on the second holding limb, preferably on the second bearing bush. In this way, the motor shaft can be sealed in a structurally simple manner. Furthermore, the use of a separate seal can be dispensed with.

Eine vorteilhafte Weiterbildung der vorgenannten Ausführungsform der erfindungsgemäßen Motorhaltevorrichtung sieht vor, dass die Dichtung aus einem thermoplastischen Elastomer, bevorzugt einem thermoplastischen Vulkanisat, hergestellt ist. Hierdurch ist die Dichtung materialseitig besonders vorteilhaft ausgebildet. Dies gilt insbesondere für die bevorzugte Ausführungsform dieser Weiterbildung. Beispielsweise sind thermoplastische Vulkanisate färbbar sowie schweißbar und bieten einen hervorragenden Kautschukersatz.An advantageous development of the aforementioned embodiment of the engine holding device according to the invention provides that the seal is made from a thermoplastic elastomer, preferably a thermoplastic vulcanizate. As a result, the seal is particularly advantageous in terms of material. This applies in particular to the preferred embodiment of this development. For example, thermoplastic vulcanizates can be colored and welded and are an excellent substitute for rubber.

Eine vorteilhafte Weiterbildung einer der beiden letztgenannten Ausführungsformen der erfindungsgemäßen Motorhaltevorrichtung sieht vor, dass die Dichtung als ein in einem Zweikomponenten-Spritzgussverfahren an den dazu korrespondierenden Halteschenkel angeformte Dichtung ausgebildet ist. Auf diese Weise ist die Dichtung sowie deren stoffschlüssige Verbindung mit dem korrespondierenden Halteschenkel fertigungstechnisch auf besonders einfache Art realisiert.An advantageous development of one of the two last-mentioned embodiments of the motor holding device according to the invention provides that the seal is designed as a seal molded onto the corresponding holding leg in a two-component injection molding process. In this way, the seal and its cohesive connection with the corresponding holding leg are realized in a particularly simple manner in terms of production technology.

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

Figur 1
ein Ausführungsbeispiel der erfindungsgemäßen Motorhaltevorrichtung für einen Motor eines Haushaltsgeräts in einer ersten perspektivischen Darstellung,
Figur 2
das Ausführungsbeispiel in einer zweiten perspektivischen Darstellung,
Figur 3
das Ausführungsbeispiel in einer Draufsicht und
Figur 4
das Ausführungsbeispiel in einer Seitenansicht.
An embodiment of the invention is shown purely schematically in the drawings and is described in more detail below. It shows
Figure 1
an embodiment of the motor holding device according to the invention for a motor of a household appliance in a first perspective illustration,
Figure 2
the embodiment in a second perspective view,
Figure 3
the embodiment in a plan view and
Figure 4
the embodiment in a side view.

In den Fig. 1 bis 4 ist ein Ausführungsbeispiel der erfindungsgemäßen Motorhaltevorrichtung für einen Motor eines Haushaltsgeräts exemplarisch dargestellt.In the Figs. 1 to 4 an embodiment of the motor holding device according to the invention for a motor of a household appliance is shown as an example.

Das nicht dargestellte Haushaltsgerät ist als ein Wäschetrockner ausgebildet, wobei der ebenfalls nicht dargestellte Motor zum Antrieb einer Trommel und eines Gebläses des Wäschetrockners ausgebildet ist. Hierfür ist der Motor mittels der Motorhaltevorrichtung 2 an einem nicht dargestellten Bodenmodul des Haushaltsgeräts befestigt.The household appliance, not shown, is designed as a clothes dryer, the motor, also not shown, being designed to drive a drum and a fan of the clothes dryer. For this purpose, the motor is fastened by means of the motor holding device 2 to a floor module (not shown) of the household appliance.

Die Motorhaltevorrichtung 2 umfasst einen ersten Halteschenkel 4 und einen zweiten Halteschenkel 6, wobei die beiden Halteschenkel 4, 6 in einer in den Fig. 1 bis 4 dargestellten Montagelage der Motorhaltevorrichtung 2 miteinander kraftübertragend verbunden sind, und wobei an dem ersten Halteschenkel 4 eine erste Lagerbuchse 8 und an dem zweiten Halteschenkel 6 eine in der Montagelage der Motorhaltevorrichtung 2 zu der ersten Lagerbuchse 8 fluchtend angeordnete zweite Lagerbuchse 10 für eine nicht dargestellte Motorwelle des Motors angeordnet sind. Die erste und die zweite Lagerbuchse 8, 10 sind jeweils als ein integraler Bestandteil des jeweiligen Halteschenkels 4, 6 ausgebildet. Die Motorwelle des Motors ist bei dem vorliegenden Ausführungsbeispiel mittels zweier nicht dargestellter Wälzlager an der Motorhaltevorrichtung 2 drehbar gelagert, wobei eines der beiden Wälzlager in die erste Lagerbuchse 8 und das andere der beiden Wälzlager in die zweite Lagerbuchse 10 auf dem Fachmann bekannte Weise eingesetzt sind.The motor holding device 2 comprises a first holding limb 4 and a second holding limb 6, the two holding limbs 4, 6 in one in the Figs. 1 to 4 The illustrated mounting position of the motor holding device 2 are connected to one another in a force-transmitting manner, and wherein on the first holding leg 4 a first bearing bush 8 and on the second holding leg 6 a second bearing bush 10, which is arranged in alignment with the first bearing bush 8 in the mounting position of the motor holding device 2, for a motor shaft (not shown) of the Motor are arranged. The first and second bearing bushes 8, 10 are each designed as an integral part of the respective retaining leg 4, 6. In the present exemplary embodiment, the motor shaft of the motor is rotatably mounted on the motor holding device 2 by means of two roller bearings (not shown), one of the two roller bearings being inserted into the first bearing bush 8 and the other of the two rolling bearings being inserted into the second bearing bush 10 in a manner known to those skilled in the art.

Die erste Lagerbuchse 8 ist an dem Rest des ersten Halteschenkels 4 und die zweite Lagerbuchse 10 ist an dem Rest des zweiten Halteschenkels 6 elastisch angeordnet, wobei die erste Lagerbuchse 8 zur elastischen Anordnung an dem Rest des ersten Halteschenkels 4 und die zweite Lagerbuchse 10 zur elastischen Anordnung an dem Rest des zweiten Halteschenkels 6 eine Mehrzahl von zwischen der jeweiligen Lagerbuchse 8, 10 und dem korrespondierenden Rest des Halteschenkels 4, 6 ausgebildeten Stegen 12, 14 aufweisen.The first bearing bush 8 is arranged elastically on the remainder of the first retaining leg 4 and the second bearing bush 10 is arranged elastically on the remainder of the second retaining leg 6, the first bearing bush 8 being elastically arranged on the remainder of the first retaining leg 4 and the second bearing bush 10 being elastic Arrangement on the remainder of the second retaining leg 6 have a plurality of webs 12, 14 formed between the respective bearing bushing 8, 10 and the corresponding remainder of the retaining leg 4, 6.

Die Mehrzahl an Stegen 12, 14 ist dabei im Wesentlichen gleichmäßig um den Umfang der ersten und der zweiten Lagerbuchse 8, 10 verteilt angeordnet. Bei dem vorliegenden Ausführungsbeispiel weist jeder Steg 12, 14 der Mehrzahl von Stegen 12, 14 in einem senkrecht zu der Motorwelle angeordneten Schnitt, also parallel zu der Bildebene von der Fig. 4, einen gekrümmten Verlauf auf, wobei jeder der Mehrzahl von Stegen 12, 14 in die gleiche Richtung gekrümmt ausgebildet ist, und wobei jeder Steg 12, 14 von der jeweiligen Lagerbuchse 8, 10 in Drehrichtung der Motorwelle nach außen zu dem jeweils korrespondierenden Rest des Halteschenkels 4, 6 verläuft. Die Drehrichtung der Motorwelle verläuft bei dem vorliegenden Ausführungsbeispiel im Uhrzeigersinn um eine in der Fig. 4 dargestellte Drehachse 16 der Motorwelle.The plurality of webs 12, 14 is arranged distributed essentially uniformly around the circumference of the first and second bearing bushes 8, 10. In the present exemplary embodiment, each web 12, 14 of the plurality of webs 12, 14 has a section arranged perpendicular to the motor shaft, that is to say parallel to the image plane of the Fig. 4 , a curved course, wherein each of the plurality of webs 12, 14 is curved in the same direction, and each web 12, 14 from the respective bearing bushing 8, 10 in the direction of rotation of the motor shaft outwards to the respectively corresponding remainder of the retaining leg 4, 6 runs. In the present exemplary embodiment, the direction of rotation of the motor shaft is clockwise by one in the Fig. 4 illustrated axis of rotation 16 of the motor shaft.

Wie aus den Fig. 1 bis 4 ferner hervorgeht, ist an dem zweiten Halteschenkel 6, nämlich an der zweiten Lagerbuchse 10, eine umlaufende Dichtung 18 zur Abdichtung der Motorwelle angeordnet. Die umlaufende Dichtung 18 ist aus einem thermoplastischen Elastomer, nämlich einem thermoplastischen Vulkanisat, hergestellt, wobei die Dichtung 18 als eine in einem Zweikomponenten-Spritzgussverfahren an den dazu korrespondierenden zweiten Halteschenkel 6 angeformte Dichtung ausgebildet ist. Die Dichtung 18 dient bei dem vorliegenden Ausführungsbeispiel dazu, die Motorwelle gegenüber einem nicht dargestellten Prozessluftkanal des als Wäschetrockner ausgebildeten Haushaltsgeräts abzudichten, um so eine Verschleppung von Feuchtigkeit aus dem Trocknungsprozess, nämlich aus einer in dem Prozessluftkanal geführten Prozessluft, in ein Inneres des Haushaltsgeräts zu verhindern. Hierfür ist bei dem vorliegenden Ausführungsbeispiel zusätzlich eine Wellendichtung 20 vorgesehen.As from the Figs. 1 to 4 Furthermore, it can be seen that a circumferential seal 18 for sealing the motor shaft is arranged on the second retaining leg 6, namely on the second bearing bush 10. The circumferential seal 18 is made from a thermoplastic elastomer, namely a thermoplastic vulcanizate, the seal 18 being designed as a seal molded onto the corresponding second retaining leg 6 in a two-component injection molding process. In the present exemplary embodiment, the seal 18 serves to seal the motor shaft from a process air duct (not shown) of the household appliance designed as a tumble dryer in order to prevent moisture from being carried over from the drying process, namely from a process air conducted in the process air duct, into the interior of the household appliance . A shaft seal 20 is additionally provided for this in the present exemplary embodiment.

Die Erfindung ist nicht auf das vorliegende Ausführungsbeispiel begrenzt. Beispielsweise ist die Erfindung auch bei anderen Haushaltsgeräten mit einem eine Motorwelle aufweisenden Motor vorteilhaft einsetzbar.The invention is not limited to the present embodiment. For example, the invention can also be used advantageously in other household appliances with a motor having a motor shaft.

Claims (8)

Motorhaltevorrichtung (2) für einen Motor eines Haushaltsgeräts, umfassend einen ersten Halteschenkel (4) und einen zweiten Halteschenkel (6), wobei die beiden Halteschenkel (4, 6) in einer Montagelage der Motorhaltevorrichtung (2) miteinander kraftübertragend verbunden sind, und wobei an dem ersten Halteschenkel (4) eine erste Lagerbuchse (8) und an dem zweiten Halteschenkel (6) eine in der Montagelage der Motorhaltevorrichtung (2) zu der ersten Lagerbuchse (8) fluchtend angeordnete zweite Lagerbuchse (10) für eine Motorwelle des Motors angeordnet sind, dadurch gekennzeichnet, dass die erste und die zweite Lagerbuchse (8, 10) jeweils als ein integraler Bestandteil des jeweiligen Halteschenkels (4, 6) ausgebildet sind.Motor holding device (2) for a motor of a household appliance, comprising a first holding leg (4) and a second holding leg (6), the two holding legs (4, 6) being connected to one another in a force-transmitting manner in an assembly position of the motor holding device (2), and where an a first bearing bushing (8) is arranged on the first holding leg (4) and a second bearing bushing (10) for a motor shaft of the motor, which in the assembly position of the motor holding device (2) is aligned with the first bearing bushing (8), is arranged on the second holding limb (6) , characterized in that the first and the second bearing bush (8, 10) are each designed as an integral part of the respective retaining leg (4, 6). Motorhaltevorrichtung (2) nach Anspruch 1, dadurch gekennzeichnet, dass die erste Lagerbuchse (8) an dem Rest des ersten Halteschenkels (4) und/oder die zweite Lagerbuchse (10) an dem Rest des zweiten Halteschenkels (6) elastisch angeordnet sind/ist.Motor holding device (2) according to claim 1, characterized in that the first bearing bush (8) on the remainder of the first retaining leg (4) and / or the second bearing bush (10) on the remainder of the second retaining leg (6) are / is resiliently arranged . Motorhaltevorrichtung (2) nach Anspruch 2, dadurch gekennzeichnet, dass die erste Lagerbuchse (8) zur elastischen Anordnung an dem Rest des ersten Halteschenkels (4) und/oder die zweite Lagerbuchse (10) zur elastischen Anordnung an dem Rest des zweiten Halteschenkels (6) eine Mehrzahl von zwischen der jeweiligen Lagerbuchse (8, 10) und dem korrespondierenden Rest des Halteschenkels (4, 6) ausgebildeten Stegen (12, 14) aufweisen/aufweist.Motor holding device (2) according to claim 2, characterized in that the first bearing bush (8) for elastic arrangement on the rest of the first holding leg (4) and / or the second bearing bush (10) for elastic arrangement on the rest of the second holding leg (6 ) have a plurality of webs (12, 14) formed between the respective bearing bush (8, 10) and the corresponding remainder of the retaining leg (4, 6). Motorhaltevorrichtung (2) nach Anspruch 3, dadurch gekennzeichnet, dass die Mehrzahl an Stegen (12, 14) im Wesentlichen gleichmäßig um den Umfang der ersten und/oder zweiten Lagerbuchse (8, 10) verteilt angeordnet ist.Motor holding device (2) according to Claim 3, characterized in that the plurality of webs (12, 14) is arranged distributed essentially uniformly around the circumference of the first and / or second bearing bush (8, 10). Motorhaltevorrichtung (2) nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass jeder Steg (12, 14) der Mehrzahl von Stegen (12, 14) in einem senkrecht zu der Motorwelle angeordneten Schnitt einen gekrümmten Verlauf aufweist, wobei jeder der Mehrzahl von Stegen (12, 14) in die gleiche Richtung gekrümmt ausgebildet ist, bevorzugt, dass jeder Steg (12, 14) von der jeweiligen Lagerbuchse (8, 10) in Drehrichtung der Motorwelle nach außen zu dem jeweils korrespondierenden Rest des Halteschenkels (4, 6) verläuft.Motor holding device (2) according to Claim 3 or 4, characterized in that each web (12, 14) of the plurality of webs (12, 14) has a curved course in a section arranged perpendicular to the motor shaft, each of the plurality of webs ( 12, 14) is curved in the same direction, preferably that each web (12, 14) extends from the respective bearing bushing (8, 10) in the direction of rotation of the motor shaft outwards to the respectively corresponding remainder of the retaining leg (4, 6) . Motorhaltevorrichtung (2) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass an dem ersten Halteschenkel, bevorzugt an der ersten Lagerbuchse, und/oder an dem zweiten Halteschenkel (6), bevorzugt an der zweiten Lagerbuchse (10), eine umlaufende Dichtung (18) zur Abdichtung der Motorwelle angeordnet ist.Motor holding device (2) according to one of claims 1 to 5, characterized in that on the first holding leg, preferably on the first bearing bush, and / or on the second holding limb (6), preferably on the second bearing bush (10), a circumferential seal (18) is arranged to seal the motor shaft. Motorhaltevorrichtung (2) nach Anspruch 6, dadurch gekennzeichnet, dass die Dichtung (18) aus einem thermoplastischen Elastomer, bevorzugt einem thermoplastischen Vulkanisat, hergestellt ist.Motor holding device (2) according to Claim 6, characterized in that the seal (18) is made from a thermoplastic elastomer, preferably a thermoplastic vulcanizate. Motorhaltevorrichtung (2) nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die Dichtung (18) als eine in einem Zweikomponenten-Spritzgussverfahren an den dazu korrespondierenden Halteschenkel (6) angeformte Dichtung ausgebildet ist.Motor holding device (2) according to Claim 6 or 7, characterized in that the seal (18) is designed as a seal molded onto the corresponding holding leg (6) in a two-component injection molding process.
EP21150835.3A 2020-02-05 2021-01-11 Motor holding device for a motor of a domestic appliance Active EP3862480B1 (en)

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DE102020102864.4A DE102020102864A1 (en) 2020-02-05 2020-02-05 Motor holding device for a motor of a household appliance

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DE102021118353A1 (en) 2021-07-15 2023-01-19 Miele & Cie. Kg clothes dryer

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DE102016225333A1 (en) * 2016-12-16 2018-06-21 E.G.O. Elektro-Gerätebau GmbH Method for connecting a holder to a motor and arrangement

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DE7515298U (en) * 1975-05-13 1975-10-02 Licentia Gmbh Clothes dryer
EP0327087A1 (en) * 1988-02-04 1989-08-09 INDUSTRIE ZANUSSI S.p.A. Mounting and securing device for the actuating motor of a drum-equipped laundry drier
FR2691593A1 (en) * 1992-05-22 1993-11-26 Electro Mec Nivernais Electric motor mounting - has fittings with functions independent of torque transmission for quiet running
FR2742843A1 (en) * 1995-12-21 1997-06-27 Electro Mec Nivernais Anti-vibration drive-motor mounting for, e.g. washing machine
DE102011007715A1 (en) * 2011-04-20 2012-10-25 BSH Bosch und Siemens Hausgeräte GmbH Clothes dryer has drive unit that is provided with driven shaft to which compressor is connected, such that heat pump is connected to condenser through compressor
WO2016034222A1 (en) * 2014-09-03 2016-03-10 Arcelik Anonim Sirketi Laundry dryer with improved motor noise suppression element
DE102016225333A1 (en) * 2016-12-16 2018-06-21 E.G.O. Elektro-Gerätebau GmbH Method for connecting a holder to a motor and arrangement

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ES2950278T3 (en) 2023-10-06
DE102020102864A1 (en) 2021-08-05

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