EP3546634B1 - Cuff and laundry treatment device - Google Patents
Cuff and laundry treatment device Download PDFInfo
- Publication number
- EP3546634B1 EP3546634B1 EP19162586.2A EP19162586A EP3546634B1 EP 3546634 B1 EP3546634 B1 EP 3546634B1 EP 19162586 A EP19162586 A EP 19162586A EP 3546634 B1 EP3546634 B1 EP 3546634B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cuff
- loading
- contact side
- elevation
- opening
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims description 28
- 241000251730 Chondrichthyes Species 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000005406 washing Methods 0.000 description 4
- 230000012447 hatching Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
Classifications
-
- 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
- D06F37/26—Casings; Tubs
- D06F37/266—Gaskets mounted between tub and casing around the loading opening
-
- 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
- D06F39/12—Casings; Tubs
- D06F39/14—Doors or covers; Securing means therefor
-
- 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
- D06F58/20—General details of domestic laundry dryers
Definitions
- the invention relates to a cuff according to the preamble of claim 1 and a laundry treatment device according to the preamble of claim 8.
- laundry treatment device is to be understood as a classic washing machine as well as a so-called washer-dryer that performs the functions of a washing machine and a tumble dryer combined.
- a sleeve and a washing machine of the type mentioned are known, which has a machine housing with a front loading opening and a tub received in this. Between an opening of the tub and the loading opening, a hose-like sleeve is arranged in a liquid-tight manner, which sleeve forms a loading channel. At its end region on the loading opening side, the cuff has a sealing lip with a contact side which lies against a loading door in a sealing manner when this is in a position closing the loading opening.
- the DE 10 2015 216 363 A1 suggest that a door gap formed between the loading door and the housing-side boundary walls is enlarged at least in a lower partial area.
- a cuff and a laundry treatment device of the type mentioned at the outset also go from the DE 10 2015 204 327 A1 out, which describes a household appliance for the care of laundry items with a housing, a loading opening in the front of the housing that can be closed by a loading door, a tub arranged in the housing and an annular sealing collar that has a loading channel between the loading opening and an associated opening of the tub forms.
- the sleeve has a sealing lip with a contact side that is in contact with this when the loading door is closed.
- the sealing lip is provided on a lower partial circumference of its ring shape with a safety catch structure for an item of laundry.
- WO 2014/021 614 A1 discloses a washing machine comprising a housing having a front surface frame through which an opening is formed, a door attached to the housing to open and close the opening, a tub disposed in the housing, a A drum rotatably disposed in the tub and a seal connecting the tub to the face frame to prevent vibration of the tub from being transmitted to the face frame when the drum rotates.
- the gasket has a body with an opening configured to receive a portion of the door and a peripheral part surrounding the opening, and a plurality of reinforcing ribs spaced from each other in a circumferential direction of the peripheral part.
- Each reinforcing rib has a protruding portion of the peripheral part, and the inner surface of the peripheral part has a recessed portion corresponding to the protruding portion.
- Each reinforcement rib has a predetermined width in a circumferential direction of the peripheral part, and at least a portion of the reinforcement rib extends along the peripheral part in the axial direction of the drum.
- the object of the present invention is to implement a reliable door opening function, particularly in so-called front-loading laundry treatment machines.
- the retaining force exerted by the sealing lip resting on the loading door should be reproducible and as low as possible.
- the contact side of the cuff has a surface structure which comprises at least one elevation running around the circumference.
- the retaining force of the sealing lip acting on the loading door is significantly reduced while the sealing function continues to be guaranteed.
- the sealing lip only comes into contact with separate and therefore clearly defined contact zones Body contact with the loading door.
- the loading door comprises an inwardly extending door body made of window glass (a so-called porthole) which comes into contact with the sealing lip, the retaining force can be set precisely and reproducibly without increasing the production cost of the sleeve.
- the contact side of the sleeve has a surface structure comprising two projections running around the circumference, which are spaced apart in the radial direction by at least one depression. This then advantageously ensures the sealing function, in particular through the formation of a labyrinth, with a flat body contact of the contact side of the Cuff can be avoided.
- the elevations do not necessarily have to be completely circumferential (i.e. as a closed ring shape), as long as suitable measures - such as, for example, elevations offset in parallel in the circumferential direction or elevations configured in a wave or meander shape - ensure a sufficient sealing function in the axial direction. At least one or more or all of the elevations are preferably designed in a closed ring shape.
- At least one elevation has a triangular shape in the profile cross-section, the triangular shape extending with a tip away from the contact side.
- At least one elevation has a rectangular shape in the profile cross-section.
- a preferred embodiment of the invention provides that at least one elevation in the profile cross section has a parabolic shape, the apex of which extends away from the contact side.
- An embodiment of the invention is further preferred, according to which at least one elevation has a shark skin profile in the profile cross-section.
- an elevation in the profile cross section has a sinusoidal shape, the upper apex of which extends away from the contact side.
- the contact surface is significantly reduced compared to an unstructured surface of the sleeve, whereby the contact zone and the retention force required for a sealing effect can advantageously be set precisely by selecting one of the proposed profile cross-sections and the geometric dimensions of the profile cross-section.
- a sinusoidal profile cross-section enables particularly gentle closing of the Loading door allows. That is, the force to be applied during the closing of the loading door or its change over the closing path is reduced compared to the other embodiments or an embodiment without a surface structure according to the invention.
- only the force component is considered which is caused by the deformation of the contact side of the cuff in the contact zone.
- FIG. 1 shows schematically in longitudinal section a detail from the front area of a laundry treatment appliance 1 with an appliance housing 2 which has a loading opening 3 (loading and unloading opening) on the front.
- a tub 4 is arranged in the housing 2, which, together with other components assigned to the tub 4, is mounted in the housing 2 in a swinging manner by means of spring and damping elements not shown here.
- a laundry drum 5 is arranged, which is rotatably mounted about an axis of rotation 6 and the front opening 8 of which is aligned with the loading opening 3 so that laundry can be loaded into and removed from the laundry drum 5.
- a sealing sleeve 9 is arranged between the loading opening 3 and the opening 8, which is hollow-cylindrical and connects the two openings 3 and 8 to one another in a liquid-tight manner.
- the cuff 9 is connected to the tub 4 with a connection area 9a and to the housing 2 with its other connection area 9b.
- the cuff 9 thus forms a loading channel 10 leading from the loading opening 3 to the laundry drum 5
- Loading opening 3 or loading channel 10 can be closed by a door 13, which is pivotably attached to housing 2, in order to operate the laundry treatment appliance.
- FIG. 1 The closed position P of the door 13 shown is sealed against the housing 2 by a door body 14 embedded in a door frame, which in this exemplary embodiment is designed as a frustoconical glass porthole 15.
- a circular, resilient and elastically deflectable sealing lip 16 of the cuff 9 with a contact side 18 rests on its wall area 15a in a sealing manner all around.
- Figure 2 shows that the contact side 18 of the sealing lip 16 is provided with a surface structure 20, which preferably has completely closed - that is, circular as seen in the circumferential direction U - encircling elevations 21, 22 which serve as contact surfaces, contact surface peaks or contact areas 23.
- a surface structure 20 which preferably has completely closed - that is, circular as seen in the circumferential direction U - encircling elevations 21, 22 which serve as contact surfaces, contact surface peaks or contact areas 23.
- only one circumferential elevation 21 or 22 is provided in the radial direction R.
- at least one circumferential depression 24 is provided between the elevations 21, 22, so that the elevations 21, 22 are radially separated or spaced apart from one another.
- only one circumferential elevation 21 or 22 is provided.
- the circumferential elevations 21, 22 can have a triangular shape 28, 29.
- the triangular shapes 28, 29 protrude upwards with their free triangular tips 28a, 29a extending away from the contact side 18 and when the door 13 is closed ( Figure 1 ) by deflecting the sealing lip 16 approximately radially into the feed channel 10 ( Figure 1 ) into it.
- the profile shapes can be varied and adapted to the technical and geometric requirements, for example, to differently large contact areas 23 ( Figure 1 ) to realize.
- profiles with a less acute triangular shape 28 ', 29' with triangular points 28a ', 29a' or triangular shape 28 ", 29" with triangular points 28a “, 29a” can be used. It is also conceivable to combine elevations with different triangular shapes.
- Figure 4 shows a modification of the surface structure 20 'in which elevations 21', 22 'are formed by circular ring-shaped projections 30, 31 which are approximately rectangular in profile cross-section and with end faces 32, 33 facing the loading channel 10 when the door 13 is in the closed position.
- a circumferential depression 24 ' runs between the elevations 21', 22 '.
- the width and the cross-sectional area of the extensions 30, 30 ', 30 "; 31, 31', 31" can vary depending on requirements, the dimensions of the cooperating components and, for example, the choice of material for the cuff.
- FIGS Figures 5 and 6 Further possible surface structures 20 ′′ and 20 ′ ′′ and their cross sections are shown in FIGS Figures 5 and 6 shown.
- the height of the vertices 35a, 35a ', 35a "of the parabolic shape 35, 35', 35” or of the vertices 36a, 36a ', 36a "of the parabolic shape 36, 36', 36” can be adapted as required.
- FIG. 6 shows elevations 21 "', 22"' separated by a circumferential depression 24 ', which in cross section have a so-called shark skin shape or a shark skin profile 38, 39.
- This profile partially (on the left) has a parabola-like course, which at a summit point 38a , 39a (or circumferentially on a summit line) merges into a relatively steeply falling flank 40, 41.
- the heights of the summit points - as indicated above by various hatching - define profiles whose vertices 38a ', 38a "; 39a ', 39a "are designed to be lower if necessary.
- Figure 7 shows elevations 21 "", 22 “” separated by a circumferential depression 24 "", which in cross section have a sinusoidal shape 45, 45 ', 45 “, 46, 46', 46".
- This profile has a sinusoidal course in the area of its upper vertex points 45a, 45a ', 45a “, 46a, 46a', 46a” as well as in the area of its lower vertex points 45b, 45b ', 45b “, 46b, 46b', 46b", wherein the upper vertices 45a, 45a ', 45a ", 46a, 46a', 46a” merge into the respectively adjacent lower vertices 45b, 45b ', 45b ", 46b, 46b', 46b” according to a sinusoidal curve.
- the heights can of the upper vertices 45a, 46a - as also indicated above by different hatching - define profiles, the upper vertices 45a ', 45a ", 46a', 46a" of which are designed to be lower if necessary.
- profile cross-sections explained above by way of example can be implemented and shaped in various combinations on the contact side 18 of the sealing lip 16.
- profile cross-sections of two elevations 21, 22 to 21 '''', 22 '''' offset from one another on the contact side 18 of the sealing lip 16 are shown, but in alternative embodiments only one of the formed elevations can have a profile cross-section as described above, in particular in the case of an embodiment with only one circumferential elevation, or more than two elevations arranged offset with respect to one another with the profile cross-sections described can be provided on the contact side 18 of the sealing lip 16.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Description
Die Erfindung betrifft eine Manschette nach dem Oberbegriff des Patentanspruchs 1 sowie ein Wäschebehandlungsgerät nach dem Oberbegriff des Patentanspruchs 8. Dabei ist im Rahmen der vorliegenden Erfindung unter dem Betriff Wäschebehandlungsgerät sowohl eine klassische Waschmaschine als auch ein sog. Waschtrockner zu verstehen, der die Funktionen einer Waschmaschine und eines Wäschetrockners vereint.The invention relates to a cuff according to the preamble of
Aus der
Eine Manschette und ein Wäschebehandlungsgerät der eingangs genannten Art gehen auch aus der
Diese bekannten Manschetten sind darauf gerichtet, durch Beschickungsfehler unvollständig in die Wäschetrommel eingebrachte Wäschestücke und/oder die Manschette selbst vor Beschädigungen zu schützen, wenn fehleingelegte Wäschestücke bei anlaufender Wäschetrommel verdrillen und unter der Dichtlippe weggerissen werden.These known cuffs are aimed at protecting items of laundry and / or the cuff itself from damage that are incompletely introduced into the laundry drum due to loading errors when incorrectly placed items of laundry twist when the laundry drum starts up and are torn away under the sealing lip.
Demgegenüber besteht die Aufgabe der vorliegenden Erfindung darin, insbesondere bei sog. Frontlader-Wäschebehandlungsmaschinen eine zuverlässige Türöffnungsfunktion zu realisieren. Dabei soll die Rückhaltkraft, die von der an der Beschickungstür anliegenden Dichtlippe ausgeübt wird, reproduzierbar und möglichst gering sein.In contrast, the object of the present invention is to implement a reliable door opening function, particularly in so-called front-loading laundry treatment machines. The retaining force exerted by the sealing lip resting on the loading door should be reproducible and as low as possible.
Die Lösung dieser Aufgabe gelingt erfindungsgemäß hinsichtlich einer Manschette mit einer Manschette mit den Merkmalen des Patentanspruchs 1 und hinsichtlich eines Wäschebehandlungsgeräts mit einem Wäschebehandlungsgerät mit den Merkmalen des Patentanspruchs 8.This object is achieved according to the invention with regard to a cuff with a cuff with the features of
Demgemäß ist bei einer Manschette bzw. bei einem Wäschebehandlungsgerät der eingangs genannten Art erfindungsgemäß vorgesehen, dass die Anlageseite der Manschette eine Oberflächenstruktur aufweist, die zumindest eine in Umfangsrichtung umlaufende Erhebung umfasst.Accordingly, in the case of a cuff or a laundry treatment device of the type mentioned at the outset, it is provided according to the invention that the contact side of the cuff has a surface structure which comprises at least one elevation running around the circumference.
Durch die Oberflächenstruktur der Dichtlippe, die beim Schließen der Beschickungstür in Kontakt mit dieser gelangt, wird die auf die Beschickungstür wirkende Rückhaltekraft der Dichtlippe bei weiterhin gewährleisteter Dichtfunktion signifikant verringert. Die Dichtlippe gelangt nämlich nur an separierten und mithin klar definierten Kontaktzonen in Körperkontakt mit der Beschickungstür. Insbesondere, wenn die Beschickungstür einen aus Fensterglas bestehenden, sich nach innen erstreckenden Türkörper umfasst (ein sogenanntes Bullauge), der in Kontakt mit der Dichtlippe gelangt, kann die Rückhaltekraft ohne Erhöhung des Fertigungsaufwandes der Manschette präzise und reproduzierbar eingestellt werden. Dies wird durch die in geschlossenem Zustand der Beschickungstür in axialer Richtung (d.h. im Wesentlichen in Richtung des Beschickungskanals) bestehenden Bereiche eines Körperkontakts (durch die umlaufende Erhebung), d.h. fehlendem Körperkontakt der Anlageseite der Manschette, realisiert. Der sonst übliche flächige Kontaktbereich der Anlageseite wird durch die Erhebung reduziert und gegebenenfalls auf einen Körperkontakt der Erhebung begrenzt.Due to the surface structure of the sealing lip, which comes into contact with the loading door when it is closed, the retaining force of the sealing lip acting on the loading door is significantly reduced while the sealing function continues to be guaranteed. The sealing lip only comes into contact with separate and therefore clearly defined contact zones Body contact with the loading door. In particular, if the loading door comprises an inwardly extending door body made of window glass (a so-called porthole) which comes into contact with the sealing lip, the retaining force can be set precisely and reproducibly without increasing the production cost of the sleeve. This is realized by the areas of body contact (through the circumferential elevation) that exist in the axial direction (ie essentially in the direction of the loading channel) when the loading door is closed, ie lack of body contact with the contact side of the cuff. The otherwise usual flat contact area on the contact side is reduced by the elevation and, if necessary, limited to body contact of the elevation.
Besonders bevorzugt ist vorgesehen, dass die Anlageseite der Manschette eine Oberflächenstruktur aufweist, zwei in Umfangsrichtung umlaufende Erhebungen umfasst, die in radialer Richtung durch mindestens eine Vertiefung beabstandet sind. Hierdurch dann vorteilhaft die Dichtfunktion, insbesondere durch eine Labyrinthbildung, sichergestellt werden, wobei dennoch ein flächiger Körperkontakt der Anlageseite der Manschette vermieden werden kann. Dabei müssen die Erhebungen nicht zwingend vollständig umlaufend (d.h. als geschlossene Ringform) ausgebildet sein, solange durch geeignete Maßnahmen - wie z.B. durch in Umfangsrichtung parallel versetzte Erhebungen oder wellen- oder mäanderförmig ausgestaltete Erhebungen - eine ausreichende Dichtfunktion in axialer Richtung sichergestellt ist. Bevorzugt ist zumindest eine bzw. sind mehrere oder alle Erhebungen in geschlossener Ringform gestaltet.It is particularly preferably provided that the contact side of the sleeve has a surface structure comprising two projections running around the circumference, which are spaced apart in the radial direction by at least one depression. This then advantageously ensures the sealing function, in particular through the formation of a labyrinth, with a flat body contact of the contact side of the Cuff can be avoided. The elevations do not necessarily have to be completely circumferential (i.e. as a closed ring shape), as long as suitable measures - such as, for example, elevations offset in parallel in the circumferential direction or elevations configured in a wave or meander shape - ensure a sufficient sealing function in the axial direction. At least one or more or all of the elevations are preferably designed in a closed ring shape.
Vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus der nachfolgenden Beschreibung, den Unteransprüchen und der Figurenbeschreibung, wobei einzelne Merkmale in Kombination oder einzeln angewendet werden können.Advantageous embodiments of the invention emerge from the following description, the subclaims and the description of the figures, with individual features being able to be used in combination or individually.
Hinsichtlich der Formgebung der Erhebungen bzw. Vertiefungen der Oberflächenstruktur der Anlageseite ist nach einer bevorzugten Fortbildung der Erfindung vorgesehen, dass zumindest eine Erhebung im Profilquerschnitt eine Dreiecksform aufweist, wobei sich die Dreiecksform mit einer Spitze von der Anlageseite weg erstreckt.With regard to the shape of the elevations or depressions of the surface structure of the contact side, a preferred development of the invention provides that at least one elevation has a triangular shape in the profile cross-section, the triangular shape extending with a tip away from the contact side.
Eine bevorzugte Weiterbildung der Erfindung sieht vor, dass zumindest eine Erhebung im Profilquerschnitt eine Rechteckform aufweist.A preferred development of the invention provides that at least one elevation has a rectangular shape in the profile cross-section.
Eine bevorzugte Ausgestaltung der Erfindung sieht vor, dass zumindest eine Erhebung im Profilquerschnitt eine Parabelform aufweist, deren Scheitelpunkt sich von der Anlageseite weg erstreckt.A preferred embodiment of the invention provides that at least one elevation in the profile cross section has a parabolic shape, the apex of which extends away from the contact side.
Weiter bevorzugt ist eine Ausgestaltung der Erfindung, nach der zumindest eine Erhebung im Profilquerschnitt ein Haihautprofil aufweist.An embodiment of the invention is further preferred, according to which at least one elevation has a shark skin profile in the profile cross-section.
Eine weitere bevorzugte Ausgestaltung der Erfindung sieht vor, dass eine Erhebung im Profilquerschnitt eine Sinusform aufweist, deren oberer Scheitelpunkt sich von der Anlageseite weg erstreckt.Another preferred embodiment of the invention provides that an elevation in the profile cross section has a sinusoidal shape, the upper apex of which extends away from the contact side.
Bei den verschiedenen bevorzugten Profilquerschnitte ist die Anlagefläche gegenüber einer unstrukturierten Oberfläche der Manschette deutlich reduziert, wobei durch Auswahl eines der vorgeschlagenen Profilquerschnittes und durch den geometrischen Abmessungen des Profilquerschnittes die für eine Dichtwirkung erforderliche Kontaktzone und die Rückhaltekraft vorteilhaft genau eingestellt werden kann. Es hat sich gezeigt, dass ein sinunsförmiger Profilquerschnitt ein besonders sanftes Schließen der Beschickungstür ermöglicht. D.h. Die während des Schließens der Beschickungstür aufzuwendende Kraft bzw. deren Änderung über den Schließweg ist gegenüber den anderen Ausführungsformen oder einer Ausführungsform ohne eine erfindungsgemäße Oberflächenstruktur reduziert. Hierbei wird nur der Kraftanteil betrachtet, der durch die Verformung der Anlageseite der Manschette in der Kontaktzone bewirkt wird.With the various preferred profile cross-sections, the contact surface is significantly reduced compared to an unstructured surface of the sleeve, whereby the contact zone and the retention force required for a sealing effect can advantageously be set precisely by selecting one of the proposed profile cross-sections and the geometric dimensions of the profile cross-section. It has been shown that a sinusoidal profile cross-section enables particularly gentle closing of the Loading door allows. That is, the force to be applied during the closing of the loading door or its change over the closing path is reduced compared to the other embodiments or an embodiment without a surface structure according to the invention. Here, only the force component is considered which is caused by the deformation of the contact side of the cuff in the contact zone.
Es können auch verschieden profilierte oder ausgestaltete Erhebungen miteinander kombiniert werden, ohne den Gedanken der Erfindung zu verlassen.Elevations with different profiles or designs can also be combined with one another without departing from the concept of the invention.
Die Erfindung wird nachfolgend anhand zeichnerisch dargestellter Ausführungsbeispiele weiter erläutert; es zeigen:
-
eine teilweise Schnittansicht eines Wäschebehandlungsgerätes,Figur 1 -
schematisch in Aufsicht eine Oberflächenstruktur einer Dichtlippe,Figur 2 -
im Querschnitt Q-Q derFigur 3 eine erste mögliche Oberflächenstruktur,Figur 2 -
im Querschnitt Q-Q derFigur 4 eine weitere mögliche Oberflächenstruktur,Figur 2 -
im Querschnitt Q-Q derFigur 5 eine weitere mögliche Oberflächenstruktur,Figur 2 -
im Querschnitt Q-Q derFigur 6 eine weitere mögliche Oberflächenstruktur undFigur 2 -
Figur 7 im Querschnitt Q-Q der eine weitere mögliche Oberflächenstruktur.Figur 2
-
Figure 1 a partial sectional view of a laundry treatment device, -
Figure 2 a schematic plan view of a surface structure of a sealing lip, -
Figure 3 in cross-section QQ theFigure 2 a first possible surface structure, -
Figure 4 in cross-section QQ theFigure 2 another possible surface structure, -
Figure 5 in cross-section QQ theFigure 2 another possible surface structure, -
Figure 6 in cross-section QQ theFigure 2 another possible surface structure and -
Figure 7 in cross-section QQ theFigure 2 another possible surface structure.
Um dem Laugenbehälter 4 (in Maßen) eine Relativbewegung gegenüber dem Gehäuse 2 zu ermöglichen, ist zwischen der Beschickungsöffnung 3 und der Öffnung 8 eine DichtManschette 9 angeordnet, die hohlzylindrisch ausgeführt ist und die beiden Öffnungen 3 und 8 flüssigkeitsdicht miteinander verbindet. Die Manschette 9 ist dazu mit einem Anschlussbereich 9a mit dem Laugenbehälter 4 und mit ihrem anderen Anschlussbereich 9b mit dem Gehäuse 2 verbunden. Die Manschette 9 bildet somit einen von der Beschickungsöffnung 3 zur Wäschetrommel 5 führenden Beschickungskanal 10. Die Beschickungsöffnung 3 bzw. der Beschickungskanal 10 ist von einer Tür 13, die an dem Gehäuse 2 verschwenkbar befestigt ist, zum Betrieb des Wäschebehandlungsgeräts verschließbar.In order to allow the
In der in
Wie
Wie
Weitere mögliche Oberflächenstrukturen 20" bzw. 20'" bzw. deren Querschnitte sind in den
Die vorstehend beispielhaft erläuterten Profilquerschnitte können in verschiedener Kombination auf der Anlageseite 18 der Dichtlippe 16 realisiert und ausgeformt sein. Ferner sind in den
- 11
- WäschebehandlungsgerätLaundry treatment device
- 22
- GerätegehäuseDevice housing
- 33
- BeschickungsöffnungLoading opening
- 44th
- LaugenbehälterSuds container
- 55
- WäschetrommelLaundry drum
- 66th
- DrehsachseAxis of rotation
- 88th
- Öffnungopening
- 99
- Manschettecuff
- 9a9a
- AnschlussbereichConnection area
- 9b9b
- AnschlussbereichConnection area
- 1010
- BeschickungskanalLoading channel
- 1313th
- Türdoor
- 1414th
- TürkörperDoor body
- 1515th
- GlasbullaugeGlass porthole
- 15a15a
- WandbereichWall area
- 1616
- DichtlippeSealing lip
- 1818th
- AnlageseiteInvestment page
- 20, 20', 20'', 20''', 20''''20, 20 ', 20' ', 20' '', 20 '' ''
- OberflächenstrukturSurface structure
- 21, 21', 21'', 21''', 21''''21, 21 ', 21' ', 21' '', 21 '' ''
- ErhebungElevation
- 22, 22', 22'', 22''', 22''''22, 22 ', 22' ', 22' '', 22 '' ''
- ErhebungElevation
- 2323
- KontaktbereichContact area
- 24, 24', 24'', 24''',, 24''''24, 24 ', 24' ', 24' '' ,, 24 '' ''
- Vertiefungdeepening
- 28, 28', 28'', 28'''28, 28 ', 28' ', 28' ''
- DreiecksformTriangular shape
- 29, 29', 29'', 29'''29, 29 ', 29' ', 29' ''
- DreiecksformTriangular shape
- 28a, 28a', 28a'', 28a'''28a, 28a ', 28a ", 28a" "
- DreiecksspitzeTriangle apex
- 29a, 29a', 29a'', 29a'''29a, 29a ', 29a ", 29a" "
- DreiecksspitzeTriangle apex
- 30, 30', 30"30, 30 ', 30 "
- FortsatzAppendix
- 31, 31', 31''31, 31 ', 31' '
- FortsatzAppendix
- 32', 32"; 33', 33"32 ', 32 "; 33', 33"
- StirnseiteFront side
- 35, 35',35"35, 35 ', 35 "
- ParabelformParabolic shape
- 35a, 35a', 35a"35a, 35a ', 35a "
- ScheitelpunktVertex
- 36, 36',36"36, 36 ', 36 "
- ParabelformParabolic shape
- 36a, 36a', 36a"36a, 36a ', 36a "
- ScheitelpunktVertex
- 38, 38', 38"38, 38 ', 38 "
- HaihautprofilShark skin profile
- 38a, 38a', 38a"38a, 38a ', 38a "
- GipfelpunktPeak
- 39, 39', 39"39, 39 ', 39 "
- HaihautprofilShark skin profile
- 39a, 39a', 39a"39a, 39a ', 39a "
- GipfelpunktPeak
- 40, 4140, 41
- FlankeFlank
- 45, 45', 45"45, 45 ', 45 "
- SinusformSinusoidal shape
- 45a, 45a', 45a"45a, 45a ', 45a "
- oberer Scheitelpunktupper vertex
- 45b, 45b', 45b"45b, 45b ', 45b "
- unterer Scheitelpunktlower vertex
- 46, 46', 46"46, 46 ', 46 "
- SinusformSinusoidal shape
- 46a, 46a', 46a"46a, 46a ', 46a "
- oberer Scheitelpunktupper vertex
- 46b, 46b', 46b"46b, 46b ', 46b "
- unterer Scheitelpunktlower vertex
- H, H', H"H, H ', H "
- Höheheight
- PP
- geschlossene Positionclosed position
- Q-QQ-Q
- Querschnittcross-section
- RR.
- radiale Richtungradial direction
- UU
- UmfangsrichtungCircumferential direction
Claims (10)
- Cuff (9) for a laundry treatment device (1), having a loading door (13) with a door body (14) which has a housing (2) and a tub (4) arranged therein,- which forms a loading duct (10) between a front housing opening (3) and a tub opening (8) facing this and- which has at least one inwardly extending sealing lip (16) running in the circumferential direction (U) with a contact side (18) which abuts the door body (14) when the loading door (13) is closed,characterised in that- the contact side (18) has a surface structure (20) which comprises at least one elevation (21, 22) running in the circumferential direction (U).
- Cuff (9) according to claim 1,
characterised in that
the contact side (18) has a surface structure (20) which comprises at least two elevations (21, 22) running in the circumferential direction (U) and spaced apart in the radial direction (R) by at least one depression (24). - Cuff according to claim 1 or 2,
characterised in that
at least one elevation (21, 22) has a triangular shape (28, 29) in the profile cross-section (Q-Q), wherein one tip (28a, 29a) of the triangular shape (28, 29) extends away from the contact side (18). - Cuff according to claim 1 or 2,
characterised in that
at least one elevation (21', 22') has a rectangular shape in the profile cross-section. - Cuff according to claim 1 or 2,
characterised in that
at least one elevation (21", 22") has a parabolic shape (35, 36) in the profile cross-section, the apex (35a, 36a) of which extends away from the contact side (18). - Cuff according to claim 1 or 2,
characterised in that
at least one elevation (21''', 22''') has a shark skin profile (38, 39) in the profile cross-section, the summit point (38a, 39a) of which extends away from the contact side (18). - Cuff according to claim 1 or 2,
characterised in that
at least one elevation (21"", 22"") has a sinusoidal shape (45, 46) in the profile cross-section, the upper apex (45a, 46a) of which extends away from the contact side (18). - Laundry treatment device (1)- having a housing (2) with a front loading opening (3),- having a tub (4) with a tub opening (8) aligned with the loading opening (3),- having a cuff (9) which forms a loading duct (10) between the loading opening (3) and the tub opening (8),- having a loading door (13) with a door body (14) which shuts the loading opening (3) in the closed position (P),- wherein the cuff (9) has at least one inwardly extending sealing lip (16) with a contact side (18) which abuts the door body (14) when the loading door (13) is closed,characterised in that- the contact side (18) has a surface structure (20) which comprises at least one elevation (21, 22) running in the circumferential direction (U).
- Laundry treatment device (1) according to claim 8,
characterised in that
the contact side (18) has a surface structure (20) which comprises at least two elevations (21, 22) running in the circumferential direction (U) and spaced apart in the radial direction (R) by at least one circumferential depression (24). - Laundry treatment device (1) according to claim 8 or 9,
characterised in that
the laundry treatment device (1) the cuff (9) is designed according to one of claims 3 to 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL19162586T PL3546634T3 (en) | 2018-03-28 | 2019-03-13 | Cuff and laundry treatment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018204716.2A DE102018204716A1 (en) | 2018-03-28 | 2018-03-28 | Cuff and laundry treatment device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3546634A1 EP3546634A1 (en) | 2019-10-02 |
EP3546634B1 true EP3546634B1 (en) | 2021-05-12 |
Family
ID=65812061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19162586.2A Active EP3546634B1 (en) | 2018-03-28 | 2019-03-13 | Cuff and laundry treatment device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3546634B1 (en) |
CN (1) | CN110318227B (en) |
DE (1) | DE102018204716A1 (en) |
PL (1) | PL3546634T3 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6256823B1 (en) * | 1999-06-29 | 2001-07-10 | The Chardon Rubber Company | Bellows for front loading washing machines |
JP2008101639A (en) * | 2006-10-17 | 2008-05-01 | Nok Corp | Sealing device |
DE102010062590B4 (en) * | 2010-12-08 | 2018-08-30 | BSH Hausgeräte GmbH | Sealing collar for a washing machine |
KR101962453B1 (en) * | 2012-07-31 | 2019-07-17 | 삼성전자주식회사 | Gasket usable with laundry machine and laundry machine having the same |
JP3193462U (en) * | 2014-07-24 | 2014-10-02 | Nok株式会社 | Sealing device for washing machine |
DE102015204327A1 (en) | 2015-03-11 | 2016-09-15 | BSH Hausgeräte GmbH | Household appliance for the care of laundry with a specially designed gasket |
DE102015207724B3 (en) * | 2015-04-28 | 2016-06-23 | BSH Hausgeräte GmbH | Domestic appliance and method for connecting a sealing sleeve with a housing wall of a household appliance |
DE102015216363A1 (en) | 2015-08-27 | 2017-03-02 | BSH Hausgeräte GmbH | Washing machine with door area to prevent laundry damage |
-
2018
- 2018-03-28 DE DE102018204716.2A patent/DE102018204716A1/en not_active Withdrawn
-
2019
- 2019-03-13 EP EP19162586.2A patent/EP3546634B1/en active Active
- 2019-03-13 PL PL19162586T patent/PL3546634T3/en unknown
- 2019-03-26 CN CN201910230961.4A patent/CN110318227B/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
CN110318227A (en) | 2019-10-11 |
EP3546634A1 (en) | 2019-10-02 |
DE102018204716A1 (en) | 2019-10-02 |
PL3546634T3 (en) | 2021-11-29 |
CN110318227B (en) | 2023-11-07 |
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