EP2497853A1 - Bac à lessive en matière synthétique pour un lave-linge ayant un vissage destiné à la fixation d'un clapet de bac à lessive en matière synthétique sur une enveloppe de récipient de bac à lessive en matière synthétique - Google Patents

Bac à lessive en matière synthétique pour un lave-linge ayant un vissage destiné à la fixation d'un clapet de bac à lessive en matière synthétique sur une enveloppe de récipient de bac à lessive en matière synthétique Download PDF

Info

Publication number: EP2497853A1
Authority: EP; European Patent Office
Prior art keywords: screw; container; plastic; height; tub
Prior art date: 2011-03-07
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

EP11401038A

Other languages

German (de)

English (en)

Other versions

EP2497853B1 (fr

Inventor

Benedikt Fechtel

Andreas Kratzsch

Elena Pieri

Christian Schrewe

Riccardo Scorcelletti

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.)

Miele und Cie KG

Original Assignee

Miele und Cie 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.)

2011-03-07

Filing date

2011-03-07

Publication date

2012-09-12

2011-03-07 Application filed by Miele und Cie KG filed Critical Miele und Cie KG

2011-03-07 Priority to ES11401038T priority Critical patent/ES2401596T3/es

2011-03-07 Priority to EP20110401038 priority patent/EP2497853B1/fr

2012-09-12 Publication of EP2497853A1 publication Critical patent/EP2497853A1/fr

2013-02-13 Application granted granted Critical

2013-02-13 Publication of EP2497853B1 publication Critical patent/EP2497853B1/fr

Status Active legal-status Critical Current

2031-03-07 Anticipated expiration legal-status Critical

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
- D06F37/261—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
- D06F37/262—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements made of plastic material, e.g. by injection moulding
- 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
- D06F37/264—Tubs provided with reinforcing structures, e.g. ribs, inserts, braces

Definitions

the invention relates to a plastic container for a washing machine comprising a surrounding the drum cylindrical shaped plastic container, which consists of a molded container shell, on the front side of a plastic molded Laugen userkappe is attached, which for sealing connection by means of a tongue and groove connection and Screw is fixed, wherein the single screw connection consists of a self-tapping screw which is screwed into a screwed on the end wall of the container shell screw for producing a frictional connection between the container shell and the tub container cap, wherein on the screw a dome is formed, in a The conical seat molded into the tub cap engages in the screwed state for producing a form-locking connection.
plastic liquor containers which consist of a molded container casing, as well as of a molded lye container cap
these have, on the one hand, a tongue and groove connection for the sealing connection, as well as screw connections which produce the frictional connection between the parts.
a plastic tub is, for example, from EP 0 835 729 A1 known.
the front cap is usually releasably connected to the rear container shell by self-tapping plastic screws.
the seal against the liquid media via a round seal in the form of a tongue / groove arrangement between the container shell and the tub container cap.
This connection arrangement all forces of the generally attached at the front additional masses are directed. These are essentially the inertial forces that occur due to the rotating masses.
the force-locking screw connections must in this case be dimensioned sufficiently safe, otherwise the assembled plastic tub could have leaks, which can lead to a total loss of the washing unit.
a positive connection is additionally provided via a conical seat.
This positive connection consists in this case of an integrally formed on the container shell dome, which engages in the assembled state of the two parts in a molded-on the Laugen hereerkappe cone.
This so-called conical seat is inaccurate due to different material shrinkage, so that it has an irregular contact pattern. If distributed on the perimeter, for example twenty screw joints are arranged, it could occur that with some screw the form fit in the conical seat is almost missing.
the contact pattern of the conical seat in the material is influenced by the undercut height for the screw, because the plastic is squeezed and melted by screwing in the screw, which leads to a deformation of the centering cone.
the ffertubus on the container shell is not supported and thus elastic designed, which in particular adversely affects the absorption of lateral forces in the traction connection.
the invention is therefore based on the object to provide a plastic container with a reliable connection of the tub container cap to the container shell by an improved frictional screw.
the achievable with the present invention consist in that due to the conical form closure according to the invention, wherein the height of the screw recess on the dome minimally corresponds to the cone depth of the tub container cap, the cone neither squeezed from the inside nor the centering is impaired.
the conical connection thereby has a complete or at least an almost complete positive connection both axially and in radial directions.
the plastic screw in this case has a minimum undercut height under the head, in order to avoid a reduction in the force in the tub material when screwing in and to avoid when the washing unit operating a wandering of the screw.
An optimized screw dome reinforcement in parabolic form of a ribbing on the screwed tube supports the non-positive screw connection.
the height of the screw recess is formed smaller than the height of the cone formed on the tub cap on the molded dome on the end wall of the container shell.
the height of the screw recess is formed such that it corresponds at least to the height of the cone.
the self-tapping screw has an extension of the shaft region, whose Undercut height minimally extends into the screw clearance of the molded dome.
the integrally formed on the tub container cap and on the container shell sleeve-shaped screw channels are provided with an external ribbing.
This consists of transversely over the sleeve-shaped screw channels extending roof-shaped bridge webs. They give the molded sleeve-shaped screw channels a further stability to the effect that the force of adhesion is delivered to the container shell.
the bridge webs increase with increasing screw depth in their extension size, which assumes the characteristic of a parabola with increasing screw depth.
the application of force to the sleeve-shaped screw channels is strengthened with increasing screw depth, which allows the lateral surface towards a much larger power transmission.
a bridge web is provided on the molded onto the tub screw channel, wherein two bridge webs are formed on the integrally formed on the container shell screw channel.
the screw channel formed on the container jacket has a conicity. This strengthens the screw connection and prevents self-loosening.
the screw has a shorter length in order to avoid a drop in torque drop when the screw tip emerges from the screw channel.
the invention further relates to a plastic tub for a washing machine comprising a cylinder-shaped container surrounding the drum, which consists of a molded first shell part, on the front side of a second plastic molded shell part is attached, which for sealing connection by means of a tongue and groove connection and screw connections is fastened, wherein the individual screw connection consists of a self-tapping screw which can be screwed into a screw channel formed on the end wall of the first shell part to produce a frictional connection between the first shell part and the second shell part, a dome being formed on the screw channel, in a molded on the second shell part conical seat engages to produce a positive connection in the screwed state.
the height of the screw recess is formed smaller than the height of the formed on the first shell part cone on the integrally formed dome on the front side of the first shell part.
the invention with regard to the advantageous and expedient developments also relates to a tub with two shell parts screwed together, in which the shell parts are screwed together, as explained above for the developments for the screw of the tub container cap with the coat.
the FIG. 1 shows a plastic tub 1 in perspective for a washing machine not shown in which a not directly shown drum is rotatably arranged.
the plastic container 1 here consists of a cylindrical container 2, which consists of a molded container shell 3, on which on the front side 4 a plastic molded Laugen userkappe 5 is attached.
a circumferential groove 6 and a circumferential spring 7 is provided for sealing connection of the two parts, as well as screw 8 to set the tub cap 5 to the container shell 3.
the individual screw 8 consists of a self-tapping screw 9, which is screwed on the end face 4 of the container shell 3 in a molded-in screw channel 10.
the screw 9 establishes the frictional connection between the container casing 3 and the tub cap 5.
a dome 11 is placed on the screw channel 10, which engages in a formed on the tub cap 5 conical seat 12.
the dome 11 and the conical seat 12 make a positive connection in the screwed state, as shown in the FIG. 4 is shown.
the seal against the liquid medium via a round seal (not shown) in or on the groove 6 / spring arrangement 7.
a round seal not shown
the Screw connection 8 must be dimensioned sufficiently safe here, because the container 2 is otherwise leaking, and a total loss of the washing unit can be done.
the screw connection 8 is substantially improved in that the integrally formed dome 11 on the end face 4 of the container shell 3, the height H of the screw recess 13 is formed such that it corresponds to at least the height h of the molded on the tub cap 5 cone 14.
the height H of the screw lock 13 is a little larger than the height h of the cone 14th
the self-tapping screw 9 has an extension of the shaft portion 15, the undercut height of which extends minimally into the screw recess 13 of the integrally formed dome 11. Accordingly, it is also true that the self-tapping screw 9 has an extension of the threaded portion 16 which is minimally smaller than the height H of the screw groove 13.
squeezed plastic material has the opportunity to be in the range of Clamping screw lock 13 without deforming the dome 11.
the dome 11 is pressed accurately into the conical seat 12. Squeezings from the inside in the cone 14 are thereby excluded.
the integrally formed on the tub cap 5 and on the container shell 3 sleeve-shaped screw channels 10 are provided with external ribs 17, in particular in the FIG. 2 but also in the FIG. 1 can be seen, wherein the single ribbing 17 is formed from transversely over the sleeve-shaped screw channel 10 extending roof-shaped bridge webs 18.
the bridge webs 18 increase with increasing fferkanaltiefe in their extension size, wherein the extension size of the bridge webs 18 with increasing ringkanaltiefe take the characteristic 17a in about a parabola, as shown in the dash-dotted lines 17a.
a bridging web 18 is provided on the screw 10.1 formed on the tub cap 5, wherein two bridge webs 18 are integrally formed on the screw 10.2 formed on the container shell 3. This results in a reinforced screw 8 on the plastic tub 1. As shown in FIG. 3 can still be seen, the integrally formed on the container shell 3 screw 10.2 has a slight conicity.
the subject of the invention also relates in the same way to a screw connection 8 for fixing a tub cap 5 to a container casing 3 with the described features.

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Closures For Containers (AREA)
Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

EP20110401038 2011-03-07 2011-03-07 Bac à lessive en matière synthétique pour un lave-linge ayant un vissage destiné à la fixation d'un clapet de bac à lessive en matière synthétique sur une enveloppe de récipient de bac à lessive en matière synthétique Active EP2497853B1 (fr)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
ES11401038T ES2401596T3 (es)	2011-03-07	2011-03-07	Recipiente de plástico para una máquina lavadora con una atornilladura para fijar una tapa para la cubeta de lavado fabricada de plástico a una cubierta de plástico para la cubeta de lavado
EP20110401038 EP2497853B1 (fr)	2011-03-07	2011-03-07	Bac à lessive en matière synthétique pour un lave-linge ayant un vissage destiné à la fixation d'un clapet de bac à lessive en matière synthétique sur une enveloppe de récipient de bac à lessive en matière synthétique

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP20110401038 EP2497853B1 (fr)	2011-03-07	2011-03-07	Bac à lessive en matière synthétique pour un lave-linge ayant un vissage destiné à la fixation d'un clapet de bac à lessive en matière synthétique sur une enveloppe de récipient de bac à lessive en matière synthétique

Publications (2)

Publication Number	Publication Date
EP2497853A1 true EP2497853A1 (fr)	2012-09-12
EP2497853B1 EP2497853B1 (fr)	2013-02-13

Family

ID=44350579

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20110401038 Active EP2497853B1 (fr)	2011-03-07	2011-03-07	Bac à lessive en matière synthétique pour un lave-linge ayant un vissage destiné à la fixation d'un clapet de bac à lessive en matière synthétique sur une enveloppe de récipient de bac à lessive en matière synthétique

Country Status (2)

Country	Link
EP (1)	EP2497853B1 (fr)
ES (1)	ES2401596T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20150128438A1 (en) *	2013-11-11	2015-05-14	Iwt S.R.L.	Apparatus for abatement of vapors for washing machines and washing machine comprising the apparatus
CN105937133A (zh) *	2015-03-04	2016-09-14	三星电子株式会社	滚筒型洗衣机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0789104A1 (fr) *	1996-01-31	1997-08-13	Balay S.A.	Dispositif de fermeture d'une cuve en plastique pour machine à laver
EP0835729A1 (fr)	1996-10-08	1998-04-15	Electrolux Zanussi S.p.A.	Amélioration dans le procédé de moulage par injection pour fabriquer des objets moulés en matière plastique
EP0854223A2 (fr) *	1997-01-21	1998-07-22	Balay S.A.	Dispositif de fermeture pour cuve en plastique de machine à laver
EP0937808A1 (fr) *	1998-02-20	1999-08-25	Balay S.A.	Dispositif pour relier les deux demi-parties d'une cuve en plastique d'une machine à laver la vaisselle
US20060127198A1 (en) *	2002-09-11	2006-06-15	Bsh Bosch Und Siemens Hausgerate Gmbh	Liquor container for a washing machine

2011
- 2011-03-07 ES ES11401038T patent/ES2401596T3/es active Active
- 2011-03-07 EP EP20110401038 patent/EP2497853B1/fr active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0789104A1 (fr) *	1996-01-31	1997-08-13	Balay S.A.	Dispositif de fermeture d'une cuve en plastique pour machine à laver
EP0835729A1 (fr)	1996-10-08	1998-04-15	Electrolux Zanussi S.p.A.	Amélioration dans le procédé de moulage par injection pour fabriquer des objets moulés en matière plastique
EP0854223A2 (fr) *	1997-01-21	1998-07-22	Balay S.A.	Dispositif de fermeture pour cuve en plastique de machine à laver
EP0937808A1 (fr) *	1998-02-20	1999-08-25	Balay S.A.	Dispositif pour relier les deux demi-parties d'une cuve en plastique d'une machine à laver la vaisselle
US20060127198A1 (en) *	2002-09-11	2006-06-15	Bsh Bosch Und Siemens Hausgerate Gmbh	Liquor container for a washing machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20150128438A1 (en) *	2013-11-11	2015-05-14	Iwt S.R.L.	Apparatus for abatement of vapors for washing machines and washing machine comprising the apparatus
US9526400B2 (en) *	2013-11-11	2016-12-27	Iwt S.R.L.	Apparatus for abatement of vapors for washing machines and washing machine comprising the apparatus
CN105937133A (zh) *	2015-03-04	2016-09-14	三星电子株式会社	滚筒型洗衣机
CN105937133B (zh) *	2015-03-04	2020-12-25	三星电子株式会社	滚筒型洗衣机

Also Published As

Publication number	Publication date
ES2401596T3 (es)	2013-04-22
EP2497853B1 (fr)	2013-02-13

Publication	Publication Date	Title
DE69825786T2 (de)	2005-08-18	Rohrverbindung aus harz
EP0443134B1 (fr)	1994-10-26	Douille filetée
DD297099B5 (de)	1994-04-14	Vorrichtung zur Verbindung zweier Werkzeugteile
DE3115620A1 (de)	1982-03-25	Selbsthemmende schraubverbindung und werkzeug zur herstellung eines aussengewindes
EP3405686B1 (fr)	2019-10-02	Elément fileté en plastique et dispositif de raccordement constitué d'une pièce de support en plastique et d'un élément fileté en plastique
EP0702941A1 (fr)	1996-03-27	Implant intra-osseux pour prothèse dentaire
EP0292742A1 (fr)	1988-11-30	Vis d'écartement
WO2016058765A1 (fr)	2016-04-21	Système de liaison pour stabilisateur d'un véhicule
EP2497853B1 (fr)	2013-02-13	Bac à lessive en matière synthétique pour un lave-linge ayant un vissage destiné à la fixation d'un clapet de bac à lessive en matière synthétique sur une enveloppe de récipient de bac à lessive en matière synthétique
DE102008055518A1 (de)	2010-06-17	Verbindungsstück
DE2150572A1 (de)	1973-04-19	Spreizduebel
DE69609090T2 (de)	2001-03-15	Vorrichtung zum Vermeiden der Unwucht einer Waschmaschinentrommel
DE3329047A1 (de)	1984-06-14	Huelse fuer einen ankerbolzen und verfahren zum herstellen einer solchen huelse
WO1993010930A1 (fr)	1993-06-10	Dispositif d'accouplement pour outils, presentant un manchon de raccordement pouvant etre elargi radialement de maniere elastique, ainsi qu'une tige avec un element de serrage
DE19840434A1 (de)	1999-03-11	Hydrodynamisches Lager
DE102004008477B4 (de)	2006-03-16	Schraubverbindung
DE60014582T2 (de)	2005-02-03	Spannfutter
DE69408169T2 (de)	1999-01-21	Laugenbehälterverbesserung in wäschewaschmaschine
DE102007005052A1 (de)	2008-08-07	Adapterkappe für einen Druckbehälter
DE3640521C2 (de)	1997-04-30	Vorrichtung zur Sicherung eines stiftähnlichen Bauteiles, insbesondere einer Kopfschraube
DE10245235A1 (de)	2004-04-01	Spannsatz
DE102007043890A1 (de)	2008-05-21	Spannvorrichtung sowie Spannzange, Grundkörper und Spannschlüssel dafür
DE20116901U1 (de)	2002-12-19	Fügeverbindung für Metallelemente und Paßschrauben für eine solche Fügeverbindung
DE10058609A1 (de)	2002-06-06	Verbindungsanordnung für einen Faserverbundstab und Verfahren zu ihrer Herstellung
DE102016002958B4 (de)	2024-09-05	Vorrichtung zum Befestigen einer Leitung, Dichteinsatz

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