WO2011009780A2 - Porte pour un boîtier isolant - Google Patents

Porte pour un boîtier isolant Download PDF

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Publication number
WO2011009780A2
WO2011009780A2 PCT/EP2010/060096 EP2010060096W WO2011009780A2 WO 2011009780 A2 WO2011009780 A2 WO 2011009780A2 EP 2010060096 W EP2010060096 W EP 2010060096W WO 2011009780 A2 WO2011009780 A2 WO 2011009780A2
Authority
WO
WIPO (PCT)
Prior art keywords
wall
door according
door
seal
end pieces
Prior art date
Application number
PCT/EP2010/060096
Other languages
German (de)
English (en)
Other versions
WO2011009780A3 (fr
Inventor
Cetin Celik
Stefan Deissler
Jürgen FINK
Original Assignee
BSH Bosch und Siemens Hausgeräte GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to EP10732708A priority Critical patent/EP2457039A2/fr
Publication of WO2011009780A2 publication Critical patent/WO2011009780A2/fr
Publication of WO2011009780A3 publication Critical patent/WO2011009780A3/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • F25D23/082—Strips
    • F25D23/087—Sealing strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/762—Household appliances
    • B29L2031/7622—Refrigerators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to a door for a heat-insulating housing such as a cool box or a refrigerator, in particular a household refrigerator.
  • a heat-insulating housing such as a cool box or a refrigerator, in particular a household refrigerator.
  • an outer wall of a painted sheet is formed, an inner wall is made of plastic deep drawn, outer and inner walls are interconnected along their vertical edges, and open upper and lower sides of an assembled outer and inner wall of the hollow body are through made of plastic injection-molded end pieces closed.
  • the interior of the hollow body is filled with an insulating material, in particular an expanded polyurethane foam.
  • model-specific tools are needed, in particular for the production of the deep-drawn inner wall, so that the production of different device models with various dimensions of the doors is associated with considerable tooling costs.
  • the production of differing in their external appearance device models is complex because in order to produce, for example, devices in different housing colors, sheets in different finishes must be procured and kept, and a transition in the production of one housing color to another is only possible without additional effort when a sheet metal coil is exhausted and can be replaced by another in a different color.
  • the object of the present invention is to provide a door for a heat-insulating housing, which can be manufactured efficiently in many different, differing in dimensions and / or appearance models.
  • the object is achieved by at least one made by an extrusion process in such a door with an outer wall, an inner wall and attached to the upper and lower edges of the outer wall and the inner wall and an inner cavity of the door final end pieces of the outer and inner wall.
  • Production of the outer wall by extrusion allows a change in the appearance of the finished door by simply changing a pigment composition added to the plastic material used for extrusion.
  • both the inner and the outer wall are produced by extrusion.
  • the extrusion technique allows the production of different models that differ in extrusion dimension with a uniform set of extrusion tools by cutting pieces of the required length from the extrusion profile obtained by the extrusion ,
  • a peripheral seal via which the door in the closed position connects tightly to a body, is expediently distributed over the inner wall and the end pieces.
  • parts of the seal extending in the direction of extrusion may be coextruded with the inner wall.
  • the end pieces are preferably injection molded.
  • the end pieces can be molded onto parts of the seal that run over them.
  • Magnetic and non-magnetic sections can alternate along the seal.
  • the magnetic sections are arranged at the corners of the seal.
  • Manufacturing technology it is advantageous if magnetic portions of the seal at the end pieces and non-magnetic portions are arranged on the inner wall. This facilitates in particular the coextrusion of the inner wall and the sections of the seal formed on it.
  • the extrusion direction is preferably parallel to known, extending on the inner wall and serving for the suspension of Mataufstellern spars.
  • extrusion technique entails that these spars, when hollow in a conventional manner, are open at the top and bottom of the interior wall. These openings are expediently closed by projections formed on the end pieces.
  • Resting contours for door racks can be formed at the spars at regular intervals with the help of a wheel running along during extrusion or a jaw which is pressed against the freshly extruded profile at regular intervals.
  • these support contours are preferably pressed into a side edge of each spar.
  • the extrusion technique makes it easy to form a groove on an extrusion-running edge of the outer or inner wall, in which a spring of the other wall engages in order to connect the two walls together.
  • a door hinge preferably engages the end pieces, since they can be provided with relatively little effort at least locally with the required wall thickness or with a reinforcing backing part.
  • Fig. 1 is a perspective exploded view of a
  • Refrigeration appliance door according to a first embodiment of the invention
  • Fig. 2 is a detail of the inner wall in an enlarged section
  • FIG. 3 is a view similar to FIG. 1 according to a second embodiment of the invention.
  • Fig. 4 is a view similar to FIG. 1 according to a third embodiment of the
  • Fig. 1 shows as a first embodiment of the invention, a refrigerator door in an exploded perspective view from behind.
  • An outer wall 1 and an inner wall 2 of the door are formed by sections of extrusion profiles cut to the length required for the door. In both profiles, the extrusion direction corresponds to the vertical in FIG. 1.
  • the outer wall 1 comprises an outwardly bulging front side 3 and lateral limbs bent at approximately right angles at its vertical edges. The edges of the lateral limbs 4 facing away from the front side 3 are again Edge webs 5 bent, which converge approximately parallel to the front side 3 to each other.
  • the inner wall 2 has a substantially flat central portion 6 and on both sides of this hollow vertical bars 7, in the mutually facing flanks 8 recesses 9 are pressed at regular intervals.
  • the recesses 9 are used in a conventional manner for suspendingdegutabstellern not shown here.
  • the recesses 9 are preferably obtained in one operation when extruding the profile of the inner wall 2, for example, by each in contact with the flanks 8 rotating rollers which carry 9 complementary projections on its circumference to the recesses, or by regular pressing of just such projections Beyond the spars 7 adjoining edge strips 10 extend approximately in the same plane as the middle section. 6
  • Fig. 2 shows one of the edge strips 10 in an enlarged cross-section. It comprises two approximately parallel webs 1 1, 12, which is an open towards the edge of the inner wall 2 groove 13th limit. This groove 13 is provided to receive a frictional engagement of a rim web 5 of the outer wall 1 as a spring.
  • a second, open towards the rear of the door and slightly undercut groove 14 is recessed, which is provided to anchor therein a resilient seal 15 form-fitting manner.
  • each other On the upper and lower edges of the outer and inner walls 1 and 2 are mirror images of each other made of plastic injection-molded end pieces 16 attached.
  • the end pieces 16 each have a flat base plate 17, the base area of which substantially corresponds to the outline of the outer wall 1 and which is surrounded by a peripheral web 18.
  • the web 18 At the back of the door, the web 18 is significantly wider than at its front, and in this back a groove 19 is formed, which extends the two grooves 13 on both sides of the inner wall 2 flush and interconnecting.
  • Formed on a part of the web 18 surrounded on three sides by the groove 19 are two projections 20 which embrace the open upper and lower ends of the spars 7.
  • the elastic seal 15 is assembled in a conventional manner from a plurality of profile elements to form a rectangular frame which is anchored over its entire length in the grooves 14 of the inner wall 2 and 19 of the end pieces 16.
  • the web 18 can be locally reinforced at its widened rear side or provided with a backing part which provides sufficient support for screwing the hinge (not shown).
  • the embodiment shown in Fig. 3 differs from that of Fig. 1 by the structure of the seal 15. While in the embodiment of Fig. 1, each of the four sides of the frame formed by the seal 15 is integrally formed from a profile piece and the Profile pieces are connected to each other at the corners of the frame, and the profile pieces each have over their entire length a filled with ferromagnetic material chamber 21, the sealing profile 15 is assembled according to the embodiment of FIG. 2 of several elements that differ in their construction.
  • corner pieces 22 each consist of two profile pieces with a filled with ferromagnetic material chamber, as in the case of the embodiment of FIG. 1; between two Corner pieces 22 each rectilinear intermediate pieces 23 are provided, the cross section may indeed be the same as the profile of the corner pieces 22, but which lacks the filling of ferromagnetic material.
  • the intermediate pieces 23 are slightly elastically compressed under a given by the ferromagnetic filling of the corner pieces attraction. Corner pieces 22 and spacers 23 may butt together in the course of installation of the door butting together or welded.
  • Fig. 4 differs from the two previously discussed in turn by the design of the seal 15.
  • Miter cut long and short profile pieces 24, 25 are in advance to two c-shaped frame parts, each with a long centerpiece 24 and at right angles projecting therefrom Side pieces 25 put together.
  • These ferromagnetic-filled profile pieces 24, 25 are inserted into an injection mold to spray the end pieces 16 thereon.
  • profile pieces 26 are coextruded with the inner wall 2. They may be free of a ferromagnetic filling; but it is also possible to introduce such a filling after cutting off a single inner wall 2 of the extruded profile in a chamber 21 of the profile pieces 26 analogous to the chamber 21 of FIG.
  • the abutting ends of the profile pieces 25 and 26 are glued or welded together.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)

Abstract

L'invention concerne une porte pour un boîtier isolant, notamment pour un appareil frigorifique ménager, comportant une paroi extérieure (1), une paroi intérieure (2) et des embouts (16) logés sur les bords supérieurs et inférieurs de la paroi extérieure (1) et de la paroi intérieure (2), fermant un espace creux intérieur de la porte. La paroi extérieure et/ou la paroi intérieure (1, 2) sont fabriquées au moyen d'un procédé d'extrusion.
PCT/EP2010/060096 2009-07-21 2010-07-14 Porte pour un boîtier isolant WO2011009780A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10732708A EP2457039A2 (fr) 2009-07-21 2010-07-14 Porte pour un boitier isolant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009027884A DE102009027884A1 (de) 2009-07-21 2009-07-21 Tür für ein wärmeisolierendes Gehäuse
DE102009027884.2 2009-07-21

Publications (2)

Publication Number Publication Date
WO2011009780A2 true WO2011009780A2 (fr) 2011-01-27
WO2011009780A3 WO2011009780A3 (fr) 2011-09-15

Family

ID=43383749

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/060096 WO2011009780A2 (fr) 2009-07-21 2010-07-14 Porte pour un boîtier isolant

Country Status (3)

Country Link
EP (1) EP2457039A2 (fr)
DE (1) DE102009027884A1 (fr)
WO (1) WO2011009780A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106352652A (zh) * 2016-08-30 2017-01-25 青岛海尔股份有限公司 对开门冰箱及其竖梁导向装置
CN106595203A (zh) * 2016-12-30 2017-04-26 青岛海尔股份有限公司 对开门冰箱及其竖梁配合组件

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015210105A1 (de) 2015-06-02 2016-12-08 BSH Hausgeräte GmbH Haushaltsgeräteverschlussvorrichtung und Verfahren zur Herstellung einer Haushaltsgeräteverschlussvorrichtung
EP3592927A4 (fr) * 2017-03-09 2021-01-06 Fisher&Paykel Appliances Limited Agencement d'étanchéité de porte d'appareil de réfrigération

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1704515A1 (de) * 1967-12-16 1971-05-27 Bosch Hausgeraete Gmbh Verfahren zur Herstellung von mit Kunststoff-Hartschaum waermeisolierten Wandungen fuer Kuehlmoebel
JPH07208030A (ja) * 1994-01-13 1995-08-08 Kiyooc Kk 扉
DE19930666A1 (de) * 1999-07-02 2001-01-04 Aeg Hausgeraete Gmbh Kühl- und/oder Gefriergerät mit einer ersten auf der Innenseite der Gerätetür angeordneten umlaufenden Türdichtung, die magnetisches Material umfaßt
ITPD20020194A1 (it) * 2002-07-18 2004-01-19 Ronda Spa Dispositivo di tenuta particolarmente per porte di frigoriferi, congelatori e simili
JP4123991B2 (ja) * 2003-03-14 2008-07-23 松下電器産業株式会社 断熱扉の製造方法および冷蔵庫
GB2411424B (en) * 2003-12-04 2007-07-11 Epwin Group Plc Improved seal arrangement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106352652A (zh) * 2016-08-30 2017-01-25 青岛海尔股份有限公司 对开门冰箱及其竖梁导向装置
CN106352652B (zh) * 2016-08-30 2019-01-18 青岛海尔股份有限公司 对开门冰箱及其竖梁导向装置
CN106595203A (zh) * 2016-12-30 2017-04-26 青岛海尔股份有限公司 对开门冰箱及其竖梁配合组件
CN106595203B (zh) * 2016-12-30 2019-05-03 青岛海尔股份有限公司 对开门冰箱及其竖梁配合组件

Also Published As

Publication number Publication date
EP2457039A2 (fr) 2012-05-30
WO2011009780A3 (fr) 2011-09-15
DE102009027884A1 (de) 2011-01-27

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