EP1652989B1 - Household washing machine with transport securing device - Google Patents

Household washing machine with transport securing device Download PDF

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Publication number
EP1652989B1
EP1652989B1 EP05022874A EP05022874A EP1652989B1 EP 1652989 B1 EP1652989 B1 EP 1652989B1 EP 05022874 A EP05022874 A EP 05022874A EP 05022874 A EP05022874 A EP 05022874A EP 1652989 B1 EP1652989 B1 EP 1652989B1
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EP
European Patent Office
Prior art keywords
housing wall
screw
drum
screw head
washing machine
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.)
Not-in-force
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EP05022874A
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German (de)
French (fr)
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EP1652989A1 (en
Inventor
Recep Cengiz Süleyman Demirel Caddesi Güngör
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EJOT TEZMAK Baglanti Elemanlari Teknolojileri San ve Tic AS
Original Assignee
EJOT TEZMAK Baglanti Elemanlari Teknolojileri San ve Tic AS
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Publication of EP1652989A1 publication Critical patent/EP1652989A1/en
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Publication of EP1652989B1 publication Critical patent/EP1652989B1/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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/001—Arrangements for transporting, moving, or setting washing machines; Protective arrangements for use during transport

Definitions

  • the invention relates to a household washing machine with a transport lock for the drum and with a housing wall and a drum part connecting screw which, starting from its outside the housing wall screw head, the housing wall passes through and is screwed into the drum part, wherein between the screw head and Housing wall and between the housing wall and the drum part in each case an axially resilient buffer element is arranged.
  • Such a transport lock is in the German patent DE 42 15 780 C2 described and illustrated.
  • the axially resilient buffer elements are made as spacers made of multi-perforated sheet metal material, which gives an elasticity due to its perforation of the spacer sleeve in the axial direction.
  • the buffer element arranged between the screw head and the housing can also be designed as a helical spring.
  • a Einschraubbegrenzung is brought about by the fact that the screw is provided only over a certain length with thread, this length is selected such that limited by reaching the threaded end of the drum part of the screwing becomes.
  • the maximum screwing depth set by this method is inaccurate and dependent on the final screwing torque, so that a defined travel can not be achieved with this method of limiting the screwing in.
  • the spacer sleeve made of perforated sheet metal is a complicated component with a small spring travel.
  • the transport lock contains a spacer sleeve between the housing wall and the drum part, which surrounds the screw.
  • the screw with the spacer sleeve is inserted for mounting the transport lock through a spacer sleeve in the passage hole in the housing wall and then laterally displaced in the hole in a constriction, so that the spacer sleeve against the drum part and the housing wall can be supported from the inside.
  • the screw is then tightened, tensioning the coil spring.
  • the final tension is then determined by the respective tightening of the screw.
  • the compliance of the spring tension when collecting acting on the household washing machine bumps during their transport then depends on the tightening of the screw, which can not be reliably ensured that hard bumps can be safely cushioned with this transport lock with excessively tightened screw.
  • a transport lock for a washing machine with a drum secured thereto is shown.
  • This fuse contains one of a piece of pipe and a screw penetrated rubber buffer, which rests with a shoulder on the housing wall.
  • the housing wall comprises with a sleeve-like passage the rubber buffer such that the rubber buffer can be inserted from the outside into the housing, wherein the housing wall provides no stop for the rubber buffer in the rearward direction of movement.
  • the invention has for its object to make the transport protection mentioned above so that on the one hand forms a structurally simple component and on the other hand, the buffer elements with tightened screw a defined bias is given in the inertial forces acting on impact on the washing machine, safe and can be collected with a sufficiently large margin. According to the invention, this is done by a household washing machine with a transport lock according to claim 1.
  • the compression part consisting of the elastomer between the housing wall and the drum part such that the compression part is arranged between two inelastic bushes.
  • the length of the compression part in the sense of producing a desired elasticity is limited accordingly.
  • the compression part is enclosed by two hard discs, one of which supports the compression part against the screw head and the other the compression part against the housing wall.
  • the buffer element can also be designed so that there is between housing wall and drum part of an inelastic bush and a compression part.
  • the design of the buffer element between the screw head and housing wall can advantageously also be designed so that the buffer element between the screw head and housing wall consists of the compression part, which is bordered on the one hand by a hard, applied to the screw head disc and on the other hand by the housing wall.
  • the in the FIG. 1 illustrated transport lock is intended to be mounted between the drum part 1 and the housing wall 2, by screwing the screw 3 into the drum part 1 (see FIG. 4 ).
  • the following parts are attached:
  • the further compression part 8 is arranged, which is enclosed on both sides of the hard discs 9 and 10.
  • the compression part 8 is supported via the disk 10 on the screw head 4 and via the disk 9 on the housing wall 2.
  • FIG. 1 further shows the protruding from the disc 9 tabs 11, which passes through the housing wall 2 and to those in the description FIG. 2 will be discussed in more detail.
  • the section along the line II-II FIG. 1 represented in FIG. 2 shows the inner structure of the transport lock with the two inelastic bushes 5 and 6, which on both sides of the intermediate, made of an elastomer Border the compression part 7.
  • This coaxial arrangement of socket 5, compression part 7 and 6 socket is penetrated axially by the pipe section 12, at its two. Each end has a support flange 13 and 14. On the meaning of the two support flanges 13 and 14 is in connection with the FIG. 4 discussed in more detail.
  • the screw 3 is inserted, which passes through the entire arrangement coaxially from the disk 10 forth to the outer end 14 of the bushing 5 and here protrudes from the socket 5.
  • the screw 3 in the drum part 1 this is provided with the bore 16.
  • the tab 11, bent out of the disc 9, passes through a corresponding opening in the housing wall 2 and thus ensures that the inserted into the housing wall 2 transport lock not from their in the FIG. 2 shown position can be pushed out laterally.
  • the two compression parts 7 and 8 are made of an elastomer (EPDM), which can be compressed under axial pressure while shortening the length of the respective compression part 7 and 8 respectively.
  • EPDM elastomer
  • the upsetting part 7 is for this purpose provided with the inner, annular circumferential notch 15, which can bulge outwardly upon pressure on the upsetting part 7 via the two inelastic bushes 5 and 6 (see FIGS. 3 and 4 ). A corresponding bulge results even with the compression part 8 under pressure on both sides, as also in the FIGS. 3 and 4 is shown.
  • FIG. 3 is the one in the Figures 1 and 2 illustrated transport lock shown screwed into the drum part 1 screw 3. This results from the Screw head 4 forth a pressure on the two compression parts 7 and 8, which bulge corresponding to the outside.
  • any gravity pulses due to vibration and the like results in the region of the compression part 7 in the event of pressure on this an approximation of the drum part 1 to the housing wall 2 while removing the screw head 4 of the housing wall 2 and corresponding relaxation of the compression portion 8, as this is applied in this case, a lower axial pressure.
  • a corresponding effect results in the reverse direction with a displacement of the drum part 1 in the direction of the housing wall 2 away.
  • the forces acting on the drum part 1 forces are fully absorbed by the elastomer of the two compression parts 7 and 8, which, after the collapse of a shock in their in the FIG. 4 Return shown position in which the impact of the two compression parts 7 and 8 axial pressures just compensate each other.
  • the system of mutual tensions formed in the transport protection returns to its original position.
  • FIG. 5 is a modification of the above-described transport lock shown in section, in which the arranged between the drum part 1 and the housing wall 2 buffer element consists of the inelastic bushing 5 and the elastic compression portion 17, on the one hand to the socket 5 and on the other supported on the housing wall 2.
  • This compression member 17 is then compressed when tightening the screw 3 and then assumes a shape that at least in the region of the notch 15 as in the FIG. 4 shown configuration and thus exerts the outgoing from it axial desired tension.
  • the embodiment according to FIG. 5 thus forms a respect to the design of the FIGS. 1 to 4 simplified construction, since it only works with a socket 5.
  • one of the two in the FIGS. 1 to 4 omitted discs shown, so that the upsetting part 8 rests on the one hand on the disc 10 and on the other hand directly to the housing wall 2.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Vibration Dampers (AREA)

Abstract

A device for securing a domestic washing machine drum in transport comprises a screw (3) and head (4) between a housing wall (2) and drum (1) with buffers (5,6) between head and wall and wall and drum. A tubular spacer separates head and drum with elastomeric compression parts (7,8) prestressed through the screw.

Description

Die Erfindung bezieht sich auf eine Haushaltswaschmaschine mit einer Transportsicherung für die Trommel und mit einer eine Gehäusewand und ein Trommelteil verbindenden-Schraube, die, ausgehend von ihrem außerhalb der Gehäusewand liegenden Schraubenkopf, die Gehäusewand durchsetzt und in das Trommelteil eingeschraubt ist, wobei zwischen Schraubenkopf und Gehäusewand sowie zwischen Gehäusewand und Trommelteil jeweils ein axial federndes Pufferelement angeordnet ist.The invention relates to a household washing machine with a transport lock for the drum and with a housing wall and a drum part connecting screw which, starting from its outside the housing wall screw head, the housing wall passes through and is screwed into the drum part, wherein between the screw head and Housing wall and between the housing wall and the drum part in each case an axially resilient buffer element is arranged.

Eine derartige Transportsicherung ist in der deutschen Patentschrift DE 42 15 780 C2 beschrieben und dargestellt. Bei dieser bekannten Transportsicherung sind die axial federnden Pufferelemente als Abstandshülsen aus mehrfach perforiertem Blechmaterial hergestellt, das aufgrund seiner Perforierung der Abstandshülse in axialer Richtung eine Elastizität gibt. Das zwischen Schraubenkopf und Gehäuse angeordnete Pufferelement kann auch als Schraubenfeder ausgebildet sein. Um beim Eindrehen der Schraube in das Trommelteil die Hülsen nicht übermäßig zusammenzudrücken, wird eine Einschraubbegrenzung dadurch herbeigeführt, dass die Schraube nur über eine bestimmte Länge mit Gewinde versehen ist, wobei diese Länge derart gewählt ist, dass mit Erreichen des Gewindeendes am Trommelteil der Einschraubvorgang begrenzt wird. Die hierdurch eingestellte maximale Einschraubtiefe ist jedoch ungenau und von dem endgültigen Einschraubmoment abhängig, so dass sich mit dieser Methode der Begrenzung des Einschraubens ein definierter Federweg nicht erzielen lässt. Außerdem handelt es sich bei der aus perforiertem Blech bestehenden Abstandshülse um ein kompliziertes Bauteil mit geringem Federweg.Such a transport lock is in the German patent DE 42 15 780 C2 described and illustrated. In this known transport lock the axially resilient buffer elements are made as spacers made of multi-perforated sheet metal material, which gives an elasticity due to its perforation of the spacer sleeve in the axial direction. The buffer element arranged between the screw head and the housing can also be designed as a helical spring. In order not to compress the sleeves excessively when screwing the screw into the drum part, a Einschraubbegrenzung is brought about by the fact that the screw is provided only over a certain length with thread, this length is selected such that limited by reaching the threaded end of the drum part of the screwing becomes. However, the maximum screwing depth set by this method is inaccurate and dependent on the final screwing torque, so that a defined travel can not be achieved with this method of limiting the screwing in. Moreover, the spacer sleeve made of perforated sheet metal is a complicated component with a small spring travel.

Bei einer weiteren, aus der DE-OS 198 52 129 A1 bekannten Transportsicherung ist nur zwischen Schraubenkopf und Gehäusewand ein Pufferelement in Form einer Schraubenfeder vorgesehen. Die Transportsicherung enthält eine Abstandshülse zwischen Gehäusewand und Trommelteil, die die Schraube umgibt. Die Schraube mit der Abstandshülse wird zur Montage der Transportsicherung durch ein die Abstandshülse durchlassendes Loch in der Gehäusewand eingesteckt und danach in dem Loch in eine Verengung seitlich verschoben, so dass sich die Abstandshülse gegen das Trommelteil und die Gehäusewand von innen abstützen kann. Die Schraube wird dann angezogen, wobei die-Schraubenfeder gespannt wird. Die Endspannung wird dann vom jeweiligen Anziehen der Schraube bestimmt. Die Nachgiebigkeit der Federspannung beim Auffangen von auf die Haushaltswaschmaschine wirkenden Stößen bei ihrem Transport hängt dann von dem Anziehen der Schraube ab, wodurch nicht sicher gewährleistet werden kann, dass mit dieser Transportsicherung bei übermäßig angezogener Schraube harte Stöße sicher abgefedert werden können.At another, from the DE-OS 198 52 129 A1 known transport lock is provided only between the screw head and the housing wall, a buffer element in the form of a coil spring. The transport lock contains a spacer sleeve between the housing wall and the drum part, which surrounds the screw. The screw with the spacer sleeve is inserted for mounting the transport lock through a spacer sleeve in the passage hole in the housing wall and then laterally displaced in the hole in a constriction, so that the spacer sleeve against the drum part and the housing wall can be supported from the inside. The screw is then tightened, tensioning the coil spring. The final tension is then determined by the respective tightening of the screw. The compliance of the spring tension when collecting acting on the household washing machine bumps during their transport then depends on the tightening of the screw, which can not be reliably ensured that hard bumps can be safely cushioned with this transport lock with excessively tightened screw.

In der US 2004/0037640 A1 ist weiterhin eine Transportsicherung für eine Waschmaschine mit einer daran gesicherten Trommel dargestellt. Diese Sicherung enthält einen von einem Rohrstück und einer Schraube durchsetzten Gummipuffer, der mit einer Schulter an der Gehäusewand anliegt. Die Gehäusewand umfasst mit einem hülsenartigen Durchzug den Gummipuffer derart, dass der Gummipuffer von außen her in das Gehäuse eingeschoben werden kann, wobei für den Gummipuffer in rückwärtiger Bewegungsrichtung die Gehäusewand keinen Anschlag vorsieht. Damit liegt also einen Abfederung des gegen den Gummipuffer drückenden Schraubenkopfes und damit der die Schraube aufnehmenden Trommel nur in einer Richtung vor, d.h. die Trommel kann in Richtung vom Gehäuse weg federnd nachgeben, wobei der Gummipuffer zusammengedrückt wird. In rückwärtiger Richtung kann jedoch die Trommel sich in Richtung auf das Gehäuse zu bewegen, ohne dabei abgefedert zu sein, da bei dieser Bewegung der hülsenartige Durchzug der Gehäusewand auf dem betreffenden Teil des Gummipuffers ohne weiteres hinwegrutschen kann. Es liegt also eine Transportsicherung vor, die den Nachteil aufweist, dass Gehäuse und Trommel durch die Transportsicherung keine definierte Mittellage gegeben wird, denn mit dem Anziehen der Schraube wird zwar die Trommel an die Gehäusewand herangezogen, ihr hülsenartiger Durchzug kann dabei aber über den betreffenden Teil des Gummipuffers hinweg gleiten, ohne dass ersichtlich der Trommel in Bezug auf die Gehäusewand eine definierte Halteposition gegeben ist.In the US 2004/0037640 A1 Furthermore, a transport lock for a washing machine with a drum secured thereto is shown. This fuse contains one of a piece of pipe and a screw penetrated rubber buffer, which rests with a shoulder on the housing wall. The housing wall comprises with a sleeve-like passage the rubber buffer such that the rubber buffer can be inserted from the outside into the housing, wherein the housing wall provides no stop for the rubber buffer in the rearward direction of movement. Thus, there is a cushioning of the pressed against the rubber buffer screw head and thus the screw receiving drum only in one direction, ie the drum can yield resiliently away from the housing, wherein the rubber buffer is compressed. In the rearward direction, however, the drum can move in the direction of the housing, without being cushioned, since in this movement, the sleeve-like passage of the housing wall on the relevant part of the rubber buffer can easily slip away. So there is a transport lock, which has the disadvantage that the housing and drum is given by the transport lock no defined center position, because with the tightening of the screw while the drum is drawn to the housing wall, her sleeve-like passage can but about the relevant part slide the rubber buffer away, without that the drum is given a defined holding position with respect to the housing wall.

Der Erfindung liegt die Aufgabe zugrunde, die eingangs erwähnte Transportsicherung so zu gestalten, dass sie einerseits ein konstruktiv einfaches Bauelement bildet und anderseits den Pufferelementen bei angezogener Schraube eine definierte Vorspannung gegeben ist, bei der Trägheitskräfte, die bei Stößen auf die Waschmaschine wirken, sicher und mit ausreichend großem Spielraum aufgefangen werden können. Erfindungsgemäß geschieht dies durch eine Haushaltswaschmaschine mit einer Transportsicherung gemäß Anspruch 1.The invention has for its object to make the transport protection mentioned above so that on the one hand forms a structurally simple component and on the other hand, the buffer elements with tightened screw a defined bias is given in the inertial forces acting on impact on the washing machine, safe and can be collected with a sufficiently large margin. According to the invention, this is done by a household washing machine with a transport lock according to claim 1.

Durch die koaxiale Anordnung von Schraube, Rohrstück und Pufferelement auf beiden Seiten der Gehäusewand ergibt sich eine Konstruktion, die mittels des Rohrstücks beim Anziehen der Schraube und damit Spannung der Pufferelemente einen definierten Abstand zwischen der Innenseite des Schraubenkopfes und dem Trommelteil herbeiführt, bei der eine gewünschte definierte Spannung der Pufferelemente eingestellt ist. Damit wird gewährleistet, dass alle in der Praxis auftretenden Stöße von den Pufferelementen sicher aufgefangen werden können. Diese bestehen aus einem rohrartig ausgebildeten Elastomer, das sich hannonisch in die koaxiale Gestaltung von Schraube, Rohrstück und Pufferelement einfügt und das als Bauteil einfach und billig als Spritzteil hergestellt werden kann.Due to the coaxial arrangement of screw, pipe piece and buffer element on both sides of the housing wall, a construction results by means of the pipe section when tightening the screw and thus tension of the buffer elements a defined distance between the inside of the screw head and the drum part causes in which a desired defined voltage of the buffer elements is set. This ensures that all shocks occurring in practice can be safely absorbed by the buffer elements. These consist of a tube-like elastomer, which fits hannonisch in the coaxial design of screw, pipe section and buffer element and can be easily and inexpensively manufactured as a molded part as a component.

Zweckmäßig ordnet man das aus dem Elastomer bestehende Stauchteil zwischen Gehäusewand und dem Trommelteil derart an, dass das Stauchteil zwischen zwei unelastischen Buchsen angeordnet ist. Damit wird die Länge des Stauchteils im Sinne der Herstellung einer gewünschten Elastizität entsprechend begrenzt. Auf der Seite des Schraubenkopfes gestaltet man das Pufferelement ausschließlich aus dem Stauchteil, da hier nur eine geringere Länge zwischen Schraubenkopf und Gehäuse durch das Pufferelement zu überbrücken ist. Dabei wird das Stauchteil von zwei harten Scheiben eingefasst, von denen die eine das Stauchteil gegen den Schraubenkopf und die andere das Stauchteil gegen die Gehäusewand abstützt.It is expedient to arrange the compression part consisting of the elastomer between the housing wall and the drum part such that the compression part is arranged between two inelastic bushes. Thus, the length of the compression part in the sense of producing a desired elasticity is limited accordingly. On the side of the screw head to design the buffer element exclusively from the compression part, since only a smaller length between the screw head and the housing is to be bridged by the buffer element. The compression part is enclosed by two hard discs, one of which supports the compression part against the screw head and the other the compression part against the housing wall.

Gemäß einer vorteilhaften Abwandlung kann man das Pufferelement auch so gestalten, dass es zwischen Gehäusewand und Trommelteil aus einer unelastischen Buchse und einem Stauchteil besteht.According to an advantageous modification of the buffer element can also be designed so that there is between housing wall and drum part of an inelastic bush and a compression part.

Die Gestaltung des Pufferelementes zwischen Schraubenkopf und Gehäusewand kann vorteilhaft auch so gestaltet sein, dass das Pufferelement zwischen Schraubenkopf und Gehäusewand aus dem Stauchteil besteht, das einerseits von einer harten, an dem Schraubenkopf anliegenden Scheibe und andererseits von der Gehäusewand eingefasst ist.The design of the buffer element between the screw head and housing wall can advantageously also be designed so that the buffer element between the screw head and housing wall consists of the compression part, which is bordered on the one hand by a hard, applied to the screw head disc and on the other hand by the housing wall.

In den Figuren ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigen:

Figur 1
die Transportsicherung vor dem Anschrauben an das Trommelteil;
Figur 2
einen Schnitt gemäß der Linie II-II aus Figur 1;
Figur 3
die gleiche Transportsicherung angeschraubt an das Trommelteil;
Figur 4
einen Schnitt längs der Linie IV-IV aus Figur 3;
Figur 5
eine Abwandlung der Transportsicherung, bei der das Pufferelement zwischen Gehäusewand und Trommelteil gegenüber der Ausführungsform nach Figur 2 vereinfacht ausgebildet ist.
In the figures, an embodiment of the invention is shown. Show it:
FIG. 1
the transport lock before screwing on the drum part;
FIG. 2
a section according to the line II-II FIG. 1 ;
FIG. 3
the same transport safety screwed to the drum part;
FIG. 4
a section along the line IV-IV FIG. 3 ;
FIG. 5
a modification of the transport lock, wherein the buffer element between the housing wall and the drum part relative to the embodiment according to FIG. 2 is designed simplified.

Die in der Figur 1 dargestellte Transportsicherung ist dafür vorgesehen, zwischen dem Trommelteil 1 und der Gehäusewand 2 angebracht zu werden, und zwar durch Eindrehen der Schraube 3 in das Trommelteil 1 (siehe Figur 4). Auf die Schraube 3 mit ihrem Schraubenkopf 4 sind folgende Teile aufgesteckt: Die unelastischen Buchsen 5 und 6 und das dazwischen liegende Stauchteil 7, das das wesentliche Bestandteil des zwischen dem Trommelteil 1 und der Gehäusewand 2 angeordnete Pufferelement bildet. Zwischen dem Schraubenkopf 4 und der Gehäusewand 2 ist das weitere Stauchteil 8 angeordnet, das beiderseits von den harten Scheiben 9 und 10 eingefasst ist. Dabei stützt sich das Stauchteil 8 über die Scheibe 10 am Schraubenkopf 4 und über die Scheibe 9 an der Gehäusewand 2 ab. Figur 1 zeigt weiterhin den aus der Scheibe 9 herausragenden Lappen 11, der die Gehäusewand 2 durchsetzt und auf den in der Beschreibung zu Figur 2 näher eingegangen wird.The in the FIG. 1 illustrated transport lock is intended to be mounted between the drum part 1 and the housing wall 2, by screwing the screw 3 into the drum part 1 (see FIG. 4 ). On the screw 3 with its screw head 4, the following parts are attached: The inelastic bushings 5 and 6 and the intermediate compression part 7, which forms the essential part of the arranged between the drum part 1 and the housing wall 2 buffer element. Between the screw head 4 and the housing wall 2, the further compression part 8 is arranged, which is enclosed on both sides of the hard discs 9 and 10. In this case, the compression part 8 is supported via the disk 10 on the screw head 4 and via the disk 9 on the housing wall 2. FIG. 1 further shows the protruding from the disc 9 tabs 11, which passes through the housing wall 2 and to those in the description FIG. 2 will be discussed in more detail.

Der Schnitt längs der Linie II-II aus Figur 1, dargestellt in Figur 2, zeigt den inneren Aufbau der Transportsicherung mit den beiden unelastischen Buchsen 5 und 6, die beidseitig das dazwischen liegende, aus einem Elastomer bestehende Stauchteil 7 einfassen. Diese koaxiale Anordnung von Buchse 5, Stauchteil 7 und Buchse 6 wird von dem Rohrstück 12 axial durchsetzt, das an seinen beiden. Enden je einen Stützflansch 13 und 14 aufweist. Auf die Bedeutung der beiden Stützflanschen 13 und 14 wird im Zusammenhang mit der Figur 4 näher eingegangen. In diese insgesamt koaxiale Anordnung ist die Schraube 3 eingesetzt, die von der Scheibe 10 her bis zu dem äußeren Ende 14 der Buchse 5 die gesamte Anordnung koaxial durchsetzt und hier aus der Buchse 5 herausragt. Für das Einschrauben der Schraube 3 in das Trommelteil 1 ist dieses mit der Bohrung 16 versehen. Der Lappen 11, herausgebogen aus der Scheibe 9, durchsetzt eine entsprechende Öffnung in der Gehäusewand 2 und sorgt auf diese Weise dafür, dass die in die Gehäusewand 2 eingesetzte Transportsicherung nicht aus ihrer in der Figur 2 dargestellten Lage seitlich herausgeschoben werden kann.The section along the line II-II FIG. 1 represented in FIG. 2 , shows the inner structure of the transport lock with the two inelastic bushes 5 and 6, which on both sides of the intermediate, made of an elastomer Border the compression part 7. This coaxial arrangement of socket 5, compression part 7 and 6 socket is penetrated axially by the pipe section 12, at its two. Each end has a support flange 13 and 14. On the meaning of the two support flanges 13 and 14 is in connection with the FIG. 4 discussed in more detail. In this overall coaxial arrangement, the screw 3 is inserted, which passes through the entire arrangement coaxially from the disk 10 forth to the outer end 14 of the bushing 5 and here protrudes from the socket 5. For screwing the screw 3 in the drum part 1 this is provided with the bore 16. The tab 11, bent out of the disc 9, passes through a corresponding opening in the housing wall 2 and thus ensures that the inserted into the housing wall 2 transport lock not from their in the FIG. 2 shown position can be pushed out laterally.

Das Einsetzen der in den Figuren 1 und 2 dargestellten Transportsicherung erfolgt in der Weise, wie dies oben im Zusammenhang mit der in der DE-OS 198 52 129 angegebenen Gestaltung des Loches in der Gehäusewand 2 angegeben ist, in dem die Transportsicherung seitlich verschoben werden kann in eine Lage, in der sie von der Gehäusewand 2 getragen wird und aus der sie aufgrund des Lappens 11 nicht mehr herausbewegt werden kann.The insertion of the in the Figures 1 and 2 shown transport lock takes place in the manner described above in connection with the in the DE-OS 198 52 129 indicated design of the hole in the housing wall 2 is indicated, in which the transport lock can be moved laterally into a position in which it is supported by the housing wall 2 and from which they can not be moved out due to the tab 11.

Die beiden Stauchteile 7 und 8 bestehen aus einem Elastomer (EPDM), das sich bei axialem Druck zusammendrücken lässt und dabei die Länge des betreffenden Stauchteils 7 bzw. 8 verkürzt. Das Stauchteil 7 ist hierzu mit der inneren, ringförmig umlaufenden Einkerbung 15 versehen, die bei Druck auf das Stauchteil 7 über die beiden unelastischen Buchsen 5 und 6 her sich nach außen hin auswölben kann (siehe Figuren 3 und 4). Eine entsprechende Auswölbung ergibt sich auch bei dem Stauchteil 8 bei Druck auf dessen beide Seiten, wie dies ebenfalls in den Figuren 3 und 4 dargestellt ist.The two compression parts 7 and 8 are made of an elastomer (EPDM), which can be compressed under axial pressure while shortening the length of the respective compression part 7 and 8 respectively. The upsetting part 7 is for this purpose provided with the inner, annular circumferential notch 15, which can bulge outwardly upon pressure on the upsetting part 7 via the two inelastic bushes 5 and 6 (see FIGS. 3 and 4 ). A corresponding bulge results even with the compression part 8 under pressure on both sides, as also in the FIGS. 3 and 4 is shown.

In der Figur 3 ist die in den Figuren 1 und 2 dargestellte Transportsicherung bei in das Trommelteil 1 eingedrehter Schraube 3 dargestellt. Dabei ergibt sich vom Schraubenkopf 4 her ein Druck auf die beiden Stauchteile 7 und 8, die sich dabei entsprechend nach außen aufwölben.In the FIG. 3 is the one in the Figures 1 and 2 illustrated transport lock shown screwed into the drum part 1 screw 3. This results from the Screw head 4 forth a pressure on the two compression parts 7 and 8, which bulge corresponding to the outside.

Wie die Figur 4 zeigt, ist das Gewinde der Schraube 3 so weit in das Trommelteil leingedreht, bis das Rohrstück 12 mit seinen beiden Stützflanschen 13 und 14 an ihrem jeweiligen Gegenlager anliegt, nämlich der betreffenden Wandung des Trommelteils 1 und der Scheibe 10. Mit dem Erreichen dieser Anlage der beiden Stützflanschen 13 und 14 hat die Schraube 3 ihre Endlage erreicht, in der die beiden Stauchteile 7 und 8 einem auf sie ausgeübten axialen Druck nachgeben, was zu der in den Figuren 3 und 4 gezeigten Aufwölbung der beiden Stauchteile 7 und 8 führt.As the FIG. 4 shows, the thread of the screw 3 is so far turned into the drum part until the pipe section 12 rests with its two support flanges 13 and 14 at their respective abutment, namely the relevant wall of the drum part 1 and the disc 10. With the achievement of this system the both support flanges 13 and 14, the screw 3 has reached its end position in which the two upsetting parts 7 and 8 yield to an axial pressure exerted on them, resulting in the in the FIGS. 3 and 4 shown bulge of the two compression parts 7 and 8 leads.

Wenn nun auf das Trommelteil 1 irgendwelche Schwerkraftimpulse durch Erschütterung und dergleichen einwirken, dann ergibt sich im Bereich des Stauchteils 7 im Falle eines Druckes auf dieses eine Annäherung des Trommelteils 1 an die Gehäusewand 2 bei gleichzeitiger Entfernung des Schraubenkopfes 4 von der Gehäusewand 2 und entsprechender Entspannung des Stauchteils 8, da auf dieses in diesem Falle ein geringerer axialer Druck ausgeübt wird. Eine entsprechende Wirkung ergibt sich in umgekehrter Richtung bei einer Verschiebung des Trommelteils 1 in Richtung von der Gehäusewand 2 weg. Dabei werden die auf das Trommelteil 1 wirkenden Kräfte von dem Elastomer der beiden Stauchteile 7 und 8 voll aufgefangen, wobei diese nach Abklingen eines Stoßes in ihre in der Figur 4 dargestellte Lage zurückkehren, in der sich die von den beiden Stauchteilen 7 und 8 auswirkenden axialen Drücke gegenseitig gerade ausgleichen. Damit nimmt das in der Transportsicherung gebildete System der gegenseitigen Spannungen wieder seine ursprüngliche Lage ein.If now act on the drum part 1 any gravity pulses due to vibration and the like, then results in the region of the compression part 7 in the event of pressure on this an approximation of the drum part 1 to the housing wall 2 while removing the screw head 4 of the housing wall 2 and corresponding relaxation of the compression portion 8, as this is applied in this case, a lower axial pressure. A corresponding effect results in the reverse direction with a displacement of the drum part 1 in the direction of the housing wall 2 away. In this case, the forces acting on the drum part 1 forces are fully absorbed by the elastomer of the two compression parts 7 and 8, which, after the collapse of a shock in their in the FIG. 4 Return shown position in which the impact of the two compression parts 7 and 8 axial pressures just compensate each other. Thus, the system of mutual tensions formed in the transport protection returns to its original position.

In der Figur 5 ist eine Abwandlung der vorstehend erläuterten Transportsicherung im Schnitt dargestellt, bei der das zwischen dem Trommelteil 1 und der Gehäusewand 2 angeordnete Pufferelement aus der unelastischen Buchse 5 und dem elastischen Stauchteil 17 besteht, das sich einerseits an der Buchse 5 und andererseits an der Gehäusewand 2 abstützt. Diese Reihenfolge kann auch umgekehrt sein. Dieses Stauchteil 17 wird dann bei Anziehen der Schraube 3 zusammengestaucht und nimmt dann eine Form an, die jedenfalls im Bereich der Einkerbung 15 etwa die in der Figur 4 dargestellte Gestaltung einnimmt und damit die von ihm ausgehende axiale gewünschte Spannung ausübt. Die Ausführungsform gemäß Figur 5 bildet somit eine gegenüber der Gestaltung nach den Figuren 1 bis 4 vereinfachte Konstruktion, da sie nur mit einer Buchse 5 auskommt. Außerdem ist bei der Gestaltung gemäß Figur 5 die eine der beiden in den Figuren 1 bis 4 dargestellten Scheiben weggelassen, so dass das Stauchteil 8 einerseits an der Scheibe 10 und andererseits direkt an der Gehäusewand 2 anliegt.In the FIG. 5 is a modification of the above-described transport lock shown in section, in which the arranged between the drum part 1 and the housing wall 2 buffer element consists of the inelastic bushing 5 and the elastic compression portion 17, on the one hand to the socket 5 and on the other supported on the housing wall 2. This order can also be reversed. This compression member 17 is then compressed when tightening the screw 3 and then assumes a shape that at least in the region of the notch 15 as in the FIG. 4 shown configuration and thus exerts the outgoing from it axial desired tension. The embodiment according to FIG. 5 thus forms a respect to the design of the FIGS. 1 to 4 simplified construction, since it only works with a socket 5. In addition, in the design according to FIG. 5 one of the two in the FIGS. 1 to 4 omitted discs shown, so that the upsetting part 8 rests on the one hand on the disc 10 and on the other hand directly to the housing wall 2.

Claims (5)

  1. Household washing machine with a transport security device for the drum and with a screw (3) connecting a housing wall (2) and a drum part (1), which screw, starting from its screw head (4) located outside the housing wall (2), passes through the housing wall (2) and is screwed into the drum part (1), wherein an axially resilient buffer element is arranged between the screw head (4) and the housing wall (2) and another axially resilient buffer element is arranged between the housing wall (2) and the drum part (1), characterized in that the screw head (4) and drum part (1) are held a distance apart by a tubular part (12) passing through the housing wall (2) and surrounding the screw (3), and the tubular part (12) passes through the two buffer elements which, in a tubular design, contain two compressible parts (7, 8) made of an elastomer, one of which is preloaded between the screw head (4) and the housing wall (2) by the screw (3), and the other of which is preloaded between the drum part (1) and housing wall (2) by the screw (3), with the tubular part (12) making contact on both sides.
  2. Household washing machine according to claim 1, characterized in that the buffer element between the housing wall (2) and drum part (1) consists of two nonelastic bushings (5, 6) and the compressible part (7) located therebetween.
  3. Household washing machine according to claim 1 or 2, characterized in that the buffer element between the screw head (4) and housing wall (2) consists of the compressible part (8), which is bounded by two hard washers (9, 10), one of which contacts the screw head (4) and the other of which contacts the housing wall (2).
  4. Household washing machine according to claim 1, characterized in that the buffer element between the housing wall (2) and drum part (1) consists of a nonelastic bushing (5) and a compressible part (17).
  5. Household washing machine according to claim 1, characterized in that the buffer element between the screw head (4) and housing wall (2) consists of the compressible part (8), which is bounded on one side by a hard washer (10) contacting the screw head (4) and on the other side by the housing wall (2).
EP05022874A 2004-10-29 2005-10-20 Household washing machine with transport securing device Not-in-force EP1652989B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004052630A DE102004052630A1 (en) 2004-10-29 2004-10-29 Transport lock for the drum of a household washing machine

Publications (2)

Publication Number Publication Date
EP1652989A1 EP1652989A1 (en) 2006-05-03
EP1652989B1 true EP1652989B1 (en) 2009-12-30

Family

ID=35478255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05022874A Not-in-force EP1652989B1 (en) 2004-10-29 2005-10-20 Household washing machine with transport securing device

Country Status (4)

Country Link
EP (1) EP1652989B1 (en)
AT (1) ATE453747T1 (en)
DE (2) DE102004052630A1 (en)
RU (1) RU2377349C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20050380A1 (en) * 2005-06-01 2006-12-02 Indesit Co Spa SPACER DEVICE
CN101652511B (en) * 2007-03-29 2011-09-07 阿塞里克股份有限公司 Washer / dryer with support means to protect internals during transport
EP2341179B1 (en) * 2009-12-29 2017-04-19 Electrolux Home Products Corporation N.V. Home laundry drier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7028348U (en) * 1970-07-21 1971-12-30 Siemens Elektrogeraete Gmbh TRANSPORT SECURITY FOR A DRUM WASHING MACHINE ALSO SET UP FOR SPIN.
DE8215267U1 (en) * 1982-05-26 1982-09-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt WASHING MACHINE WITH TRANSPORT SECURITY
DE4215780C2 (en) * 1992-05-13 1996-09-05 Az Ausruest Zubehoer Gmbh Transport lock for the vibrating system of a household washing machine
DE19852129C2 (en) 1998-11-12 2003-10-02 Az Ausruest Zubehoer Gmbh Device for temporary fixation of a system suspended in an enclosure
KR100739615B1 (en) * 2000-12-01 2007-07-13 엘지전자 주식회사 drum type washing machine

Also Published As

Publication number Publication date
RU2377349C2 (en) 2009-12-27
RU2005132633A (en) 2007-05-10
ATE453747T1 (en) 2010-01-15
DE102004052630A1 (en) 2006-05-04
DE502005008775D1 (en) 2010-02-11
EP1652989A1 (en) 2006-05-03

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