EP0643565A1 - Cleaning device with a suction turbine. - Google Patents

Cleaning device with a suction turbine.

Info

Publication number
EP0643565A1
EP0643565A1 EP93914740A EP93914740A EP0643565A1 EP 0643565 A1 EP0643565 A1 EP 0643565A1 EP 93914740 A EP93914740 A EP 93914740A EP 93914740 A EP93914740 A EP 93914740A EP 0643565 A1 EP0643565 A1 EP 0643565A1
Authority
EP
European Patent Office
Prior art keywords
cleaning device
turbine
sleeve
housing
electric motor
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
EP93914740A
Other languages
German (de)
French (fr)
Other versions
EP0643565B1 (en
Inventor
Bertram Groeger
Andre Konz
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE 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
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP0643565A1 publication Critical patent/EP0643565A1/en
Application granted granted Critical
Publication of EP0643565B1 publication Critical patent/EP0643565B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A47L9/22—Mountings for motor fan assemblies
    • 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping

Definitions

  • the invention relates to a cleaning device with a suction turbine for generating a suction air stream, with an electric motor driving it and forming a structural unit with it, with a housing accommodating the turbine and with a holder which fixes the turbine and the electric motor on the cleaning device in a soundproof manner .
  • Such a construction is known for example from DE-PS 703 638.
  • the object of the invention is to design a generic cleaning device in such a way that optimum sound insulation can be achieved when the device is in operation.
  • This object is achieved according to the invention in a cleaning device of the type described at the outset in that the holder is a sleeve made of a thermoset elastomer with a shore hardness between 30 and 60, in that it surrounds the turbine housing and on the outer wall of the housing at least in some areas that the turbine is arranged with the axis of rotation of the turbine running in the vertical direction in the cleaning device and that the sleeve encompasses the unit comprising the turbine and motor and carries it freely suspended on the cleaning device.
  • a sleeve designed in this way which can for example consist of rubber, leads to a multiple effect with regard to the avoidance of disturbing noises.
  • the unit consisting of engine and turbine is suspended from the cleaning device in such a way that there are no sound bridges to the device, the connection is only established via the sleeve made of the duroplastic elastomer material, via which sound transmission practically does not take place.
  • the turbine housing has a circular cylinder has a vertical vertical outer wall against which the cuff is in full contact.
  • Such a rotationally symmetrical arrangement is also advantageous for reasons of weight transfer in the cleaning device.
  • the sleeve can have an inwardly projecting step on which the turbine housing rests.
  • the turbine housing and the sleeve have interlocking projections or recesses which prevent rotation of the turbine housing relative to the sleeve about a vertical axis.
  • the cuff can have an outwardly projecting supporting flange on the upper edge, by means of which the cuff is fixed to the cleaning device. It is advantageous if a downwardly open annular groove is arranged in the support flange, into which an upwardly projecting housing edge can engage. This ensures a completely defined position of the cuff in the cleaning device.
  • the sleeve is made of a relatively flexible material, it is favorable to stabilize it in that the inwardly projecting step and / or the support flange and / or the outer wall of the sleeve carry radially extending, vertical reinforcing ribs.
  • the supporting flange can also engage in positive or negative engagements in projections or recesses on the cleaning device. have protrusions that prevent the sleeve from rotating relative to the cleaning device about a vertical axis. This rotationally fixed fixing of the sleeve makes it possible to introduce the rotational forces transmitted from the turbine motor assembly to the sleeve into the cleaning device.
  • the inner diameter of the sleeve immediately above the turbine housing is smaller than the outer diameter.
  • the turbine housing is also fixed in the sleeve in the axial direction. For assembly, the turbine housing can be pushed into the sleeve while being elastically expanded and pushed past the narrower inner diameter part.
  • a further sound insulation can be achieved in that the lower end of the sleeve lies at least in areas over the outer wall of a housing that accommodates the electric motor. In this way, noises are also absorbed, which can be generated and emitted by the electric motor and its housing.
  • FIG. 1 a longitudinal sectional view through a sleeve with a suspended turbine-motor unit
  • FIG. 2 a view similar to FIG. 1 without the turbine motor unit
  • FIG. 3 a top view of the cuff of FIG. 2.
  • a suction air flow is generated via a turbine, which entrains dirt particles to be removed and transports them into a dirt collecting container in which the dirt particles are separated from the air flow, for example by a filter.
  • the turbine then ejects the air stream into the surroundings in a cleaned manner.
  • the turbine unit shown in the drawing comprises a turbine, also not shown in the drawing, which is arranged in a cylindrical housing 1.
  • This housing 1 is coaxially connected to a second circular cylindrical housing 2 with a smaller outside diameter, in which there is also an electric motor (not shown).
  • This electric motor optionally drives the turbine in the housing 1 via a gear so that a suction air stream is sucked through the turbine, for example from the bottom 3 of the housing 1 through it to the top 4 thereof.
  • the two housings 1 and 2 and the parts arranged therein, namely the turbine and the electric motor, form a structural unit.
  • the housings 1 and 2 are preferably made of metal.
  • the housing 1 of the turbine which has the larger outer diameter, is surrounded by a sleeve 5, which lies over the entire surface of the cylindrical outer wall 6 of the housing 1 and projects above this housing 1 at the top.
  • the inner diameter of the sleeve 5 is slightly smaller than the outer diameter of the housing 1, so that an annular shoulder 9 is formed in the sleeve 5 on the upper edge 8 of the housing 1, which shoulder 1 in the vertical direction upwards specifies.
  • the housing 1 rests on a step 10 projecting inwards into the interior of the sleeve 5, which thereby defines the housing 1 in a vertical direction downwards.
  • the step 10 is formed by two projections protruding into the interior of the cuff, each extending over an angle of approximately 160 °, which have reinforcing ribs 11 or 12 running radially on the top and running in the circumferential direction.
  • the underside 3 of the housing 1 rests on the top of these reinforcing ribs 11 and 12, projections (not shown) on the underside 3 of the housing 1 protrude into recesses 13 on the top of the steps 10 and thereby secure the housing 1 against rotation relative to the sleeve 5 about a vertical axis.
  • reinforcing ribs 12 which run in the circumferential direction, lie with their entire surface on the outer wall 14 of the housing 2, which receives the electric motor. These reinforcing ribs 12 extend only over the upper part of the housing 2 (FIG. 1).
  • a radially outwardly projecting flange 15 is formed on the outside of the collar 5 in the region 7 above, and has a circumferential annular groove 16 which is open at the bottom on its underside. In this annular groove, a ring wall of the cleaning device standing vertically upward can engage, which is not shown in the drawing, so that in this way the sleeve 5 and the structural unit comprising the turbine and the electric motor held in it are suspended on the cleaning device .
  • Interruptions 17 are provided in the flange 15 (FIG. 3), into which projections on the cleaning device (not shown in the drawing) can also engage, which in this way secure the sleeve 5 against rotation about a vertical axis relative to the cleaning device chern.
  • the flange 15 also has radial and circumferential reinforcing ribs 18 or 19, reinforcing ribs 20 projecting radially outward are also arranged on the outside of the sleeve 5.
  • the cuff 5 consists of a thermoset elastomer material, for example rubber, with a shore hardness between 30 and 60. It has been found that this material is suitable, on the one hand, for carrying the structural unit from the housings 1 and 2 in a cleaning device in a permanently hanging manner, the torques occurring during operation being transmitted to the cleaning device can be, while on the other hand, an optimal sound insulation and noise avoidance is possible through material of this type.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

In order to improve noise damping in a cleaning device with a suction turbine for providing vacuum extraction, with an electric motor powering said turbine and forming a structural unit therewith, with a housing (1) containing the turbine and a sound-insulated device securing the turbine and the electric motor to the cleaning device, it is proposed that the securing device be a sleeve (5) of a duroplastic elastomer with a Shore hardness of between 30 and 60, it surround the turbine housing (1) and bear against the surface of the outer wall (6) of the housing (1) at least in regions, the turbine be fitted in the cleaning device with its axis of rotation running vertically and the sleeve pass below the turbine-motor unit and freely suspend it on the cleaning device.

Description

B E S C H R E I B U N G DESCRIPTION
REINIGUNGSGERAT MIT EINER SAUGTURBINECLEANING DEVICE WITH A SUCTION TURBINE
Die Erfindung betrifft ein Reinigungsgerät mit einer Saug¬ turbine zur Erzeugung eines Saugluftstromes, mit einem diece antreibenden und mit dieser eine Baueinheit bilden¬ den Elektromotor, mit einem die Turbine aufnehmenden Ge¬ häuse und mit einer die Turbine und den Elektromotor am Reinigungsgerät schallisoliert festlegenden Halterung.The invention relates to a cleaning device with a suction turbine for generating a suction air stream, with an electric motor driving it and forming a structural unit with it, with a housing accommodating the turbine and with a holder which fixes the turbine and the electric motor on the cleaning device in a soundproof manner .
Eine solche Konstruktion ist beispielsweise aus der DE-PS 703 638 bekannt.Such a construction is known for example from DE-PS 703 638.
Obwohl bei dieser bekannten Konstruktion bereits auf eine schallisolierte Aufhängung geachtet wird, ist der schall- isolierende Effekt nicht ausreichend.Although a sound-insulated suspension is already taken into account in this known construction, the sound-insulating effect is not sufficient.
Es ist Aufgabe der Erfindung, ein gattungsgemäßes Reini¬ gungsgerät so auszubilden, daß eine optimale Schallisolie¬ rung beim Betrieb des Gerätes erreicht werden kann. Diese Aufgabe wird bei einem Reinigungsgerät der eingangs beschriebenen Art erfindungsgemäß dadurch gelöst, daß die Halterung eine Manschette aus einem duroplastischen Ela¬ stomer mit einer shore-Härte zwischen 30 und 60 ist, daß sie das Turbinengehäuse umgibt und an der Außenwand des Gehäuses zumindest bereichsweise flächig anliegt, daß die Turbine mit der Drehachse der Turbine in senkrechter Rich¬ tung verlaufend im Reinigungsgerät angeordnet ist und daß die Manschette die Baueinheit aus Turbine und Motor um¬ greift und freihängend am Reinigungsgerät trägt.The object of the invention is to design a generic cleaning device in such a way that optimum sound insulation can be achieved when the device is in operation. This object is achieved according to the invention in a cleaning device of the type described at the outset in that the holder is a sleeve made of a thermoset elastomer with a shore hardness between 30 and 60, in that it surrounds the turbine housing and on the outer wall of the housing at least in some areas that the turbine is arranged with the axis of rotation of the turbine running in the vertical direction in the cleaning device and that the sleeve encompasses the unit comprising the turbine and motor and carries it freely suspended on the cleaning device.
Die Verwendung einer in dieser Weise ausgebildeten Man¬ schette, die beispielsweise aus Gummi bestehen kann, führt zu einer Mehrfachwirkung im Hinblick auf die Vermeidung störender Geräusche. Zum einen wird die Baueinheit aus Mo¬ tor und Turbine so am Reinigungsgerät aufgehängt, daß kei¬ nerlei Schallbrücken zum Gerät bestehen, die Verbindung wird ausschließlich über die Manschette aus dem duropla¬ stischen Elastomer-Material vermittelt, über die eine Schallübertragung praktisch nicht stattfindet.The use of a sleeve designed in this way, which can for example consist of rubber, leads to a multiple effect with regard to the avoidance of disturbing noises. On the one hand, the unit consisting of engine and turbine is suspended from the cleaning device in such a way that there are no sound bridges to the device, the connection is only established via the sleeve made of the duroplastic elastomer material, via which sound transmission practically does not take place.
Das Umgeben der besonders stark schallabstrahlenden Turbi¬ ne durch die Manschette führt zu einer Schallisolation ge¬ genüber der Umgebung und schließlich dämpft die flächig am Gehäuse der Turbine anliegende Manschette Schwingungen des Gehäuses, die im Betrieb auftreten können. Insgesamt er¬ gibt sich auf diese Weise eine sehr effektive Schalliso¬ lierung bei gleichzeitig stabiler Aufhängung der Bauein¬ heit aus Turbine und Elektromotor.Surrounding the particularly strongly sound-emitting turbine by the sleeve leads to sound insulation from the surroundings and finally the sleeve, which lies flat against the turbine housing, dampens vibrations of the housing which can occur during operation. Overall, this results in very effective sound insulation with a stable suspension of the structural unit comprising the turbine and the electric motor.
Günstig ist es, wenn das Turbinengehäuse eine kreiszylin- drische senkrechte Außenwand aufweist, an der die Man¬ schette vollflächig anliegt. Eine solche rotationssymme- trische Anordnung ist auch aus Gründen der Gewichtsverla¬ gerung im Reinigungsgerät von Vorteil.It is favorable if the turbine housing has a circular cylinder has a vertical vertical outer wall against which the cuff is in full contact. Such a rotationally symmetrical arrangement is also advantageous for reasons of weight transfer in the cleaning device.
Die Manschette kann eine nach innen vorspringende Stufe aufweisen, auf welcher das Turbinengehäuse aufliegt.The sleeve can have an inwardly projecting step on which the turbine housing rests.
Bei einer bevorzugten Ausführungsform ist vorgesehen, daß das Turbinengehäuse und die Manschette formschlüssig in¬ einander eingreifende Vor- beziehungsweise Rücksprünge aufweisen, die eine Verdrehung des Turbinengehäuses rela¬ tiv zur Manschette um eine senkrechte Achse verhindern. Dadurch können die im Betrieb notwendigen Drehmomente in die Manschette eingeleitet und von dieser auf das Reini¬ gungsgerät übertragen werden. Die Manschette kann am obe¬ ren Rand einen nach außen abstehenden Tragflansch aufwei¬ sen, mittels welchem die Manschette am Reinigungsgerät festgelegt wird. Dabei ist es günstig, wenn in dem Trag¬ flansch eine nach unten offene Ringnut angeordnet ist, in die ein nach oben abstehender Gehäuserand eingreifen kann. Damit wird eine ganz definierte Position der Manschette im Reinigungsgerät sichergestellt.In a preferred embodiment it is provided that the turbine housing and the sleeve have interlocking projections or recesses which prevent rotation of the turbine housing relative to the sleeve about a vertical axis. As a result, the torques required during operation can be introduced into the cuff and transmitted from there to the cleaning device. The cuff can have an outwardly projecting supporting flange on the upper edge, by means of which the cuff is fixed to the cleaning device. It is advantageous if a downwardly open annular groove is arranged in the support flange, into which an upwardly projecting housing edge can engage. This ensures a completely defined position of the cuff in the cleaning device.
Da die Manschette aus einem relativ flexiblen Material be¬ steht, ist es günstig, sie dadurch zu stabilisieren, daß die nach innen vorspringende Stufe und/oder der Trag¬ flansch und/oder die Außenwand der Manschette radial ver¬ laufende, senkrechte Verstärkungsrippen tragen.Since the sleeve is made of a relatively flexible material, it is favorable to stabilize it in that the inwardly projecting step and / or the support flange and / or the outer wall of the sleeve carry radially extending, vertical reinforcing ribs.
Auch der Tragflansch kann in Vor- oder Rücksprünge am Rei¬ nigungsgerät formschlüssig eingreifende Rück- bezie- hungsweise VorSprünge aufweisen, die eine Verdrehung der Manschette relativ zum Reinigungsgerät um eine senkrechte Achse verhindern. Diese rotationsfeste Festlegung der Man¬ schette ermöglicht es, die von der Turbinen-Motor-Bauein¬ heit auf die Manschette übertragenen Rotationskräfte in das Reinigungsgerät einzuleiten.The supporting flange can also engage in positive or negative engagements in projections or recesses on the cleaning device. have protrusions that prevent the sleeve from rotating relative to the cleaning device about a vertical axis. This rotationally fixed fixing of the sleeve makes it possible to introduce the rotational forces transmitted from the turbine motor assembly to the sleeve into the cleaning device.
Günstig ist es, wenn der Innendurchmesser der Manschette unmittelbar oberhalb des Turbinengehäuses kleiner ist als deren Außendurchmesser. Dadurch wird das Turbinengehäuse auch in axialer Richtung in der Manschette festgelegt, zur Montage kann das Turbinengehäuse unter elastischer Aufwei¬ tung der Manschette in diese eingeschoben und an dem enge¬ ren Innendurchmesserteil vorbeigeschoben werden.It is favorable if the inner diameter of the sleeve immediately above the turbine housing is smaller than the outer diameter. As a result, the turbine housing is also fixed in the sleeve in the axial direction. For assembly, the turbine housing can be pushed into the sleeve while being elastically expanded and pushed past the narrower inner diameter part.
Eine weitere Schallisolierung läßt sich dadurch erreichen, daß die Manschette mit ihrem unteren Ende zumindest be¬ reichsweise flächig an der Außenwand eines den Elektromo¬ tor aufnehmenden Gehäuses anliegt. Auf diese Weise werden auch Geräusche absorbiert, die durch den Elektromotor und dessen Gehäuse erzeugt und abgestrahlt werden können.A further sound insulation can be achieved in that the lower end of the sleeve lies at least in areas over the outer wall of a housing that accommodates the electric motor. In this way, noises are also absorbed, which can be generated and emitted by the electric motor and its housing.
Die nachfolgende Beschreibung bevorzugter Ausführungsfor¬ men der Erfindung dient im Zusammenhang mit der Zeichnung der näheren Erläuterung.The following description of preferred embodiments of the invention serves in conjunction with the drawing for a more detailed explanation.
Es zeigen:Show it:
Figur 1 : eine Längsschnittansicht durch eine Man¬ schette mit eingehängter Turbinen-Motor-Ein¬ heit; Figur 2 : eine Ansicht ähnlich Figur 1 ohne eingehäng¬ te Turbinen-Motor-Einheit undFIG. 1: a longitudinal sectional view through a sleeve with a suspended turbine-motor unit; FIG. 2: a view similar to FIG. 1 without the turbine motor unit and
Figur 3 : eine Draufsicht auf die Manschette der Figur 2.FIG. 3: a top view of the cuff of FIG. 2.
In der Zeichnung ist nur das Turbinenaggregat eines Reini¬ gungsgerätes dargestellt, beispielsweise eines Staubsau¬ gers, der selber nicht gezeichnet ist. Es kann sich dabei um ein beliebiges Gerät dieser Art handeln, wie sie in den verschiedensten Formen bekannt sind. Bei derartigen Gerä¬ ten wird über eine Turbine ein Saugluftstrom erzeugt, der zu entfernende Schmutzpartikel mitreißt und in einen Schmutzsammelbehälter transportiert, in dem die Schmutz- partikel vom Luftstrom abgetrennt werden, beispielsweise durch ein Filter. Die Turbine stößt den Luftstrom an¬ schließend gereinigt in die Umgebung aus.In the drawing only the turbine unit of a cleaning device is shown, for example a vacuum cleaner, which is not shown. It can be any device of this type, as are known in various forms. In devices of this type, a suction air flow is generated via a turbine, which entrains dirt particles to be removed and transports them into a dirt collecting container in which the dirt particles are separated from the air flow, for example by a filter. The turbine then ejects the air stream into the surroundings in a cleaned manner.
Das in der Zeichnung dargestellte Turbinenaggregat umfaßt eine in der Zeichnung ebenfalls nicht näher gezeigte Tur¬ bine, die in einem zylindrischen Gehäuse 1 angeordnet ist. An dieses Gehäuse 1 schließt sich koaxial ein zweites kreiszylindrisches Gehäuse 2 mit geringerem Außendurchmes¬ ser an, in dem sich ein ebenfalls nicht dargestellter Elektromotor befindet. Dieser Elektromotor treibt gegebe¬ nenfalls über ein Getriebe die Turbine im Gehäuse 1, so daß ein Saugluftstrom durch die Turbine hindurchgesaugt wird, beispielsweise von der Unterseite 3 des Gehäuses 1 durch dieses hindurch zu dessen Oberseite 4. Die beiden Gehäuse 1 und 2 sowie die darin angeordneten Teile, nämlich die Turbine und der Elektromotor, bilden eine Baueinheit. Die Gehäuse 1 und 2 bestehen dabei vor¬ zugsweise aus Metall.The turbine unit shown in the drawing comprises a turbine, also not shown in the drawing, which is arranged in a cylindrical housing 1. This housing 1 is coaxially connected to a second circular cylindrical housing 2 with a smaller outside diameter, in which there is also an electric motor (not shown). This electric motor optionally drives the turbine in the housing 1 via a gear so that a suction air stream is sucked through the turbine, for example from the bottom 3 of the housing 1 through it to the top 4 thereof. The two housings 1 and 2 and the parts arranged therein, namely the turbine and the electric motor, form a structural unit. The housings 1 and 2 are preferably made of metal.
Das den größeren Außendurchmesser aufweisende Gehäuse 1 der Turbine wird von einer Manschette 5 umgeben, die sich vollflächig an die zylindrische Außenwand 6 des Gehäuses 1 anlegt und dieses Gehäuse 1 nach oben hin überragt. In diesem Bereich 7 ist der Innendurchmesser der Manschette 5 geringfügig kleiner als der Außendurchmesser des Gehäuses 1, so daß sich an der Oberkante 8 des Gehäuses 1 eine Ringschulter 9 in der Manschette 5 ausbildet, die das Ge¬ häuse 1 in senkrechter Richtung nach oben hin festlegt.The housing 1 of the turbine, which has the larger outer diameter, is surrounded by a sleeve 5, which lies over the entire surface of the cylindrical outer wall 6 of the housing 1 and projects above this housing 1 at the top. In this area 7, the inner diameter of the sleeve 5 is slightly smaller than the outer diameter of the housing 1, so that an annular shoulder 9 is formed in the sleeve 5 on the upper edge 8 of the housing 1, which shoulder 1 in the vertical direction upwards specifies.
An der Unterseite 3 ruht das Gehäuse 1 auf einer nach innen in das Innere der Manschette 5 vorspringenden Stufe 10 , die das Gehäuse 1 dadurch in senkrechter Richtung nach unten festlegt. Die Stufe 10 wird durch zwei in den Innenraum der Manschette vorstehende, sich jeweils über einen Winkel von etwa 160° erstreckende Vorsprünge ausge¬ bildet, die auf ihrer Oberseite radial verlaufende und in Umfangsrichtung verlaufende Verstärkungsrippen 11 bezie¬ hungsweise 12 tragen. Auf der Oberseite dieser Verstär¬ kungsrippen 11 und 12 liegt das Gehäuse 1 mit seiner Un¬ terseite 3 auf, dabei ragen in der Zeichnung nicht darge¬ stellte Vorsprünge an der Unterseite 3 des Gehäuses 1 in Ausnehmungen 13 auf der Oberseite der Stufen 10 hinein und sichern dadurch das Gehäuse 1 gegenüber einer Verdrehung gegenüber der Manschette 5 um eine senkrechte Achse. Die innenliegenden, in Umfangsrichtung verlaufenden Ver¬ stärkungsrippen 12 liegen mit ihrer Innenseite vollflächig an der Außenwand 14 des Gehäuses 2 an, welches den Elek¬ tromotor aufnimmt. Dabei erstrecken sich diese Verstär¬ kungsrippen 12 nur über den oberen Teil des Gehäuses 2 (Figur 1).On the underside 3, the housing 1 rests on a step 10 projecting inwards into the interior of the sleeve 5, which thereby defines the housing 1 in a vertical direction downwards. The step 10 is formed by two projections protruding into the interior of the cuff, each extending over an angle of approximately 160 °, which have reinforcing ribs 11 or 12 running radially on the top and running in the circumferential direction. The underside 3 of the housing 1 rests on the top of these reinforcing ribs 11 and 12, projections (not shown) on the underside 3 of the housing 1 protrude into recesses 13 on the top of the steps 10 and thereby secure the housing 1 against rotation relative to the sleeve 5 about a vertical axis. The inside of the reinforcing ribs 12, which run in the circumferential direction, lie with their entire surface on the outer wall 14 of the housing 2, which receives the electric motor. These reinforcing ribs 12 extend only over the upper part of the housing 2 (FIG. 1).
An der Außenseite ist an die Manschette 5 in dem obenlie¬ genden Bereich 7 ein radial nach außen abstehender Flansch 15 angeformt, der an seiner Unterseite eine nach unten of¬ fene, umlaufende Ringnut 16 aufweist. In diese Ringnut kann eine senkrecht nach oben stehende Ringwand des Reini¬ gungsgerätes eingreifen, die in der Zeichnung nicht darge¬ stellt ist, so daß auf diese Weise die Manschette 5 und die in ihr gehaltene Baueinheit aus Turbine und Elektromo¬ tor am Reinigungsgerät aufgehängt ist.A radially outwardly projecting flange 15 is formed on the outside of the collar 5 in the region 7 above, and has a circumferential annular groove 16 which is open at the bottom on its underside. In this annular groove, a ring wall of the cleaning device standing vertically upward can engage, which is not shown in the drawing, so that in this way the sleeve 5 and the structural unit comprising the turbine and the electric motor held in it are suspended on the cleaning device .
In dem Flansch 15 sind Unterbrechungen 17 vorgesehen (Fi¬ gur 3), in die in der Zeichnung ebenfalls nicht darge¬ stellte Vorsprünge am Reinigungsgerät eingreifen können, die auf diese Weise die Manschette 5 gegen eine Verdrehung um eine senkrechte Achse relativ zum Reinigungsgerät si¬ chern.Interruptions 17 are provided in the flange 15 (FIG. 3), into which projections on the cleaning device (not shown in the drawing) can also engage, which in this way secure the sleeve 5 against rotation about a vertical axis relative to the cleaning device chern.
An der Oberseite weist auch der Flansch 15 radiale und in Umfangsrichtung umlaufende Verstärkungsrippen 18 bezie¬ hungsweise 19 auf, auch an der Außenseite der Manschette 5 sind radial nach außen abstehende Verstärkungsrippen 20 angeordnet.On the upper side, the flange 15 also has radial and circumferential reinforcing ribs 18 or 19, reinforcing ribs 20 projecting radially outward are also arranged on the outside of the sleeve 5.
Die Manschette 5 besteht aus einem duroplastischen Ela¬ stomermaterial, beispielsweise aus Gummi, mit einer shore-Härte zwischen 30 und 60. Es hat sich herausge¬ stellt, daß dieses Material einerseits geeignet ist, die Baueinheit aus den Gehäusen 1 und 2 dauerhaft hängend in einem Reinigungsgerät zu tragen, wobei die im Betrieb auf¬ tretenden Drehmomente auf das Reinigungsgerät übertragen werden können, während andererseits durch Material dieser Art eine optimale Schallisolierung und Geräuschvermeidung möglich wird. The cuff 5 consists of a thermoset elastomer material, for example rubber, with a shore hardness between 30 and 60. It has been found that this material is suitable, on the one hand, for carrying the structural unit from the housings 1 and 2 in a cleaning device in a permanently hanging manner, the torques occurring during operation being transmitted to the cleaning device can be, while on the other hand, an optimal sound insulation and noise avoidance is possible through material of this type.

Claims
P A T E N T A N S P R Ü C H EP A T E N T A N S P R Ü C H E
Reinigungsgerät mit einer Saugturbine zur Erzeugung eines Saugluftstromes, mit einem diese antreibenden und mit dieser eine Baueinheit bildenden Elektromo¬ tor, mit einem die Turbine aufnehmenden Gehäuse und mit einer die Turbine und den Elektromotor am Reini¬ gungsgerät schallisoliert festlegenden Halterung, dadurch gekennzeichnet, daß die Halterung eine Man¬ schette (5) aus einem duroplastischen Elastomer mit einer shore-Härte zwischen 30 und 60 ist, daß sie das Turbinengehäuse (1) umgibt und an der Außenwand (6) des Gehäuses (1) zumindest bereichsweise flächig anliegt, daß die Turbine mit der Drehachse der Tur¬ bine in senkrechter Richtung verlaufend im Reini¬ gungsgerät angeordnet ist, und daß die Manschette (5) die Baueinheit aus Turbine und Motor untergreift und freihängend am Reinigungsgerät trägt.Cleaning device with a suction turbine for generating a suction air flow, with an electric motor driving it and forming a structural unit with it, with a housing accommodating the turbine and with a holder which fixes the turbine and the electric motor on the cleaning device in a sound-insulated manner, characterized in that the Bracket is a cuff (5) made of a thermosetting elastomer with a shore hardness between 30 and 60, that it surrounds the turbine housing (1) and rests on the outer wall (6) of the housing (1) at least in areas so that the Turbine with the axis of rotation of the turbine is arranged running in the vertical direction in the cleaning device, and that the sleeve (5) engages under the structural unit comprising the turbine and motor and carries it freely suspended on the cleaning device.
Reinigungsgerät nach Anspruch 1, dadurch gekenn¬ zeichnet, daß das Turbinengehäuse (1) eine kreiszy¬ lindrische senkrechte Außenwand (6) aufweist, an der die Manschette (5) vollflächig anliegt. 3. Reinigungsgerät nach Anspruch 1 oder 2, dadurch ge¬ kennzeichnet, daß die Manschette (5) eine nach innen vorspringende Stufe (10) aufweist, auf welcher das Turbinengehäuse (1) aufliegt.Cleaning device according to claim 1, characterized gekenn¬ characterized in that the turbine housing (1) has a circular cylindrical vertical outer wall (6) against which the sleeve (5) lies over the entire surface. 3. Cleaning device according to claim 1 or 2, characterized ge indicates that the sleeve (5) has an inwardly projecting step (10) on which the turbine housing (1) rests.
Reinigungsgerät nach einem der voranstehenden An¬ sprüche, dadurch gekennzeichnet, daß das Turbinenge¬ häuse ( 1 ) und die Manschette ( 5 ) formschlüssig in¬ einander eingreifende Vor- beziehungsweise Rück¬ sprünge (13) aufweisen, die eine Verdrehung des Tur¬ binengehäuses ( 1 ) relativ zur Manschette ( 5) um eine senkrechte Achse verhindern.Cleaning device according to one of the preceding claims, characterized in that the turbine housing (1) and the sleeve (5) have interlocking interlocking projections or recesses (13) which rotate the turbine housing ( 1) Prevent relative to the sleeve (5) around a vertical axis.
Reinigungsgerät nach einem der voranstehenden An¬ sprüche, dadurch gekennzeichnet, daß die Manschette (5) am oberen Rand einen nach außen abstehenden Tragflansch (15) aufweist.Cleaning device according to one of the preceding claims, characterized in that the sleeve (5) has an outwardly projecting support flange (15) at the upper edge.
Reinigungsgerät nach Anspruch 5, dadurch gekenn¬ zeichnet, daß in dem Tragflansch (15) eine nach un¬ ten offene Ringnut (16) angeordnet ist.Cleaning device according to Claim 5, characterized in that an annular groove (16) which is open towards the bottom is arranged in the supporting flange (15).
Reinigungsgerät nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, daß die nach innen vor¬ springende Stufe (10) und/oder der Tragflansch (15) und/oder die Außenwand (14) der Manschette (5) radi¬ al verlaufende, senkrechte Verstärkungsrippen (11, 18, 20) tragen. 8. Reinigungsgerät nach Anspruch 6 oder 7, dadurch ge¬ kennzeichnet, daß der Tragflansch (15) in Vor- oder Rücksprünge am Reinigungsgerät formschlüssig ein¬ greifende Rück- beziehungsweise Vorsprünge (17) auf¬ weist, die eine Verdrehung der Manschette (5) rela¬ tiv zum Reinigungsgerät um eine senkrechte Achse verhindern.Cleaning device according to one of claims 3 to 6, characterized in that the inwardly projecting step (10) and / or the support flange (15) and / or the outer wall (14) of the sleeve (5) extends radially, perpendicular Wear reinforcement ribs (11, 18, 20). 8. Cleaning device according to claim 6 or 7, characterized ge indicates that the support flange (15) in projections or recesses on the cleaning device positively engaging engaging recesses or projections (17) which has a rotation of the sleeve (5) prevent relative to the cleaning device about a vertical axis.
Reinigungsgerät nach einem der voranstehenden An¬ sprüche, dadurch gekennzeichnet, daß der Innendurch¬ messer der Manschette (5) unmittelbar oberhalb des Turbinengehäuses (1) kleiner ist als deren Außen¬ durchmesser.Cleaning device according to one of the preceding claims, characterized in that the inner diameter of the sleeve (5) immediately above the turbine housing (1) is smaller than its outer diameter.
10. Reinigungsgerät nach einem der voranstehenden An¬ sprüche, dadurch gekennzeichnet, daß die Manschette (5) mit ihrem unteren Ende zumindest bereichsweise flächig an der Außenwand eines den Elektromotor auf¬ nehmenden Gehäuses (2) anliegt. 10. Cleaning device according to one of the preceding claims, characterized in that the sleeve (5) rests with its lower end, at least in areas, flat against the outer wall of a housing (2) accommodating the electric motor.
EP93914740A 1992-08-20 1993-06-29 Cleaning device with a suction turbine Expired - Lifetime EP0643565B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19924227543 DE4227543C1 (en) 1992-08-20 1992-08-20 Cleaning device with a suction turbine
DE4227543 1992-08-20
PCT/EP1993/001658 WO1994004065A1 (en) 1992-08-20 1993-06-29 Cleaning device with a suction turbine

Publications (2)

Publication Number Publication Date
EP0643565A1 true EP0643565A1 (en) 1995-03-22
EP0643565B1 EP0643565B1 (en) 1996-02-14

Family

ID=6465947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93914740A Expired - Lifetime EP0643565B1 (en) 1992-08-20 1993-06-29 Cleaning device with a suction turbine

Country Status (4)

Country Link
EP (1) EP0643565B1 (en)
DE (1) DE4227543C1 (en)
DK (1) DK0643565T3 (en)
WO (1) WO1994004065A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100190684B1 (en) * 1996-05-17 1999-06-01 전주범 Muffler chamber system of vacuum cleaner
EP3238592B1 (en) 2016-04-27 2021-06-02 Diversey, Inc. Vacuum cleaner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE703638C (en) * 1931-11-13 1941-03-13 Fisker & Nielsen As Electric pot vacuum cleaner
NL39482C (en) * 1935-07-20
DE975257C (en) * 1953-07-29 1961-10-19 Vorwerk & Co Elektrowerke Kg Vacuum cleaners, in particular hand vacuum cleaners
DE1094947B (en) * 1955-09-26 1960-12-15 Siemens Elektrogeraete Gmbh Storage for motor fan of vacuum cleaners u. ae. Household appliances
DE1125603B (en) * 1957-03-12 1962-03-15 Siemens Elektrogeraete Gmbh Electric motor-driven vacuum cleaner with a motor fan mounted on both ends by elastic rings

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9404065A1 *

Also Published As

Publication number Publication date
WO1994004065A1 (en) 1994-03-03
DK0643565T3 (en) 1996-03-11
DE4227543C1 (en) 1993-11-18
EP0643565B1 (en) 1996-02-14

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