EP1794520B1 - Refrigerator with back foamed wall and comopnent for mounting on the wall - Google Patents

Refrigerator with back foamed wall and comopnent for mounting on the wall Download PDF

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Publication number
EP1794520B1
EP1794520B1 EP05786873.9A EP05786873A EP1794520B1 EP 1794520 B1 EP1794520 B1 EP 1794520B1 EP 05786873 A EP05786873 A EP 05786873A EP 1794520 B1 EP1794520 B1 EP 1794520B1
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EP
European Patent Office
Prior art keywords
wall
main body
refrigerator
component
refrigerator according
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EP05786873.9A
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German (de)
French (fr)
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EP1794520A1 (en
Inventor
Martin Ziegler
Hans Althammer
Carsten Jung
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Priority to PL05786873T priority Critical patent/PL1794520T3/en
Publication of EP1794520A1 publication Critical patent/EP1794520A1/en
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    • 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
    • F25D23/06—Walls
    • F25D23/065—Details
    • 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
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/067—Supporting elements
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices

Definitions

  • the present invention relates to a refrigerator in which a component is used for mounting on a foam-backed wall.
  • the housing of a refrigerator such as a refrigerator, a freezer or the like is conventionally realized as a hollow body with an outer wall and an inner wall, which enclose a filled with insulating foam cavity.
  • Insulating foam is produced in the cavity by injecting a polymer material, in particular polyurethane, with compressed gas, injected into the cavity and, driven by it, expanded by the pressure of the gas.
  • the drive by the expanding pressurized gas causes the foam material to spread to remote corners of the cavity and form a closed insulating foam layer of uniform consistency that sets in the cavity. In this way can be made quickly and easily housing with complicated shapes and good thermal insulation capacity.
  • the pressure of the propellant gas also means that if the cavity is not completely sealed prior to injection of the polymer material, the still liquid foam can escape from a crack of the cavity to the outside. Trailed, set foam is only with great effort, if at all, to be removed without leaving a trace, so that emerging from a not sufficiently dense cavity foam can lead to significant economic losses.
  • the US 5 238 299 A describes an arrangement for introducing electrical conductors into the interior of a refrigerator through an inner container of the refrigerator.
  • a component to be mounted on an opening of the wall with an elastic skirt protruding from the main body of the component, from which a free edge is provided to fit snugly against a surface of the wall and so to prevent a passage of foam between the wall and the apron.
  • the object of the invention is to provide a refrigeration device with a mounted on an opening of a wall component, which connects with high reliability close to the wall and is more robust than the conventional component described above.
  • the invention relates to a refrigerator with a heat-insulating housing, which comprises a foam-filled hollow body, wherein on a wall of the hollow body, a component in contact with the hollow body filling foam is attached.
  • the object is achieved in that the existing of a more flexible material than the main body skirt is integrally formed on the main body. This makes it possible to use for the main body a material with good mechanical strength and at the same time to make the skirt by an increased wall thickness, without thereby stiffening undesirable. This is achieved particularly simply by the fact that the flexible apron has a lower Shore hardness than the main body and is molded by 2-component injection molding technique to the main body.
  • the main body of the component is provided with locking means for latching in the opening of the wall.
  • latching means can form part of a bayonet connection, wherein the complementary part of the bayonet connection is expediently formed by the edge of the opening itself.
  • the locking means may also include barbs which cooperate with the edge of the opening.
  • the component may in particular be a cable feedthrough, a backing part for interior lighting of the refrigeration device or a holder for an element mounted in an interior of the refrigeration device.
  • suction tube bushing has a substantially tubular, formed of a solid plastic material main body 1, through which a bore 2 extends.
  • the main body 1 carries two ribs 3 radially extending over a part of its circumference. This end face is provided in each case to be pushed through by a complementary shaped opening of an outer wall (not shown) of a refrigerator housing from the foam side and then to be rotated in the direction of an arrow P, so that the ribs 3 with their bevelled narrow sides 4 initially slide on the opening surrounding edge portions of the outer wall and finally pinch between them and a resilient skirt 5.
  • the substantially conical annular elastic skirt 5 has an outer diameter which is greater than that of the opening in the outer wall, so that an outer edge 6 of the skirt 5 rests continuously on the outer wall and thus forms a foam seal between the passage and the outer wall.
  • Fig. 2 shows a radial section through the skirt 5 and adjacent thereto areas of the main body 1 according to a first embodiment.
  • the skirt 5 has at its inner edge a bead 7 which engages in an undercut, circumferential groove on the periphery of a flange 8, which forms an integral part of the main body 1.
  • Such an arrangement can be created, for example, by the skirt 5 together with the bead 7 formed thereon is inserted into an injection mold for the production of the main body 1 and the material of the main body 1 flows around the bead 7 during injection.
  • a plurality of circumferential ribs 10 are formed on the main body 1, which are provided to be enveloped by the foam material during foaming of the cavity of the refrigerator housing and thereby firmly anchoring the main body 1 in the cured foam material ,
  • the bore 2 opens at its end facing away from the ribs 3 on a large-scale flange 11, which is provided to be tight against an inner wall of the refrigerator housing or the surface of an evaporator (not shown), from which a suction pipe through the bore. 2 should extend.
  • this can be coated, for example, prior to assembly with a liquid adhesive, which sets tight on the inner wall or the evaporator, before the thus obtained splice is loaded during foaming.
  • FIG. 4 A second example of a fitting according to the invention is in Fig. 4 shown.
  • This is an approximately cup-shaped backing part 12, which is provided to a on an inner wall 13 of a refrigeration device housing cut opening 14 (see Fig. 5 ) to be latched from the foam side, so as to form a recess in the wall, which is able to at least partially receive an electrical lamp and its socket.
  • the backing piece 12 has a facing toward the inner wall 13 (or in the perspective of Fig. 4 to the top) slightly concave arched bottom 15, in the central region of a recess 16 is formed for receiving the bulb.
  • To an outer edge of the bottom 15 is a circumferentially elastic skirt 5 in an analogous manner as in the Figs.
  • the skirt 5 is surrounded on the outside by a rail 18 integrally connected via webs 17 rail 18, which prevents a part of the pressure exerted by the foam during foaming of the skirt 5.
  • the webs 20 each have two to the inner wall 13 in approximately parallel oriented portions 22, 24, of which each of the longer 22 is closer to the bottom 15 than the shorter 24, as well as a sections 22, 24 continuously connecting oblique portion 23.
  • Fig. 5 inwardly directed projections 25 at the longitudinal edges of the opening 14 are each placed so that in a locked position of the backing member 12, the projections 25 are pressed by the elastically compressed skirt 5 against the portions 24 and at the same time the barbs 21 at a transverse edge of the Attack opening 14 and so define a stop position of the backing part 12.
  • the backing member 12 can enter this latched position by first inserting the ribs 19 and lands 20 into the opening 14 in the respective dotted outline position, compressing the skirt 5, and then the backing member 12 in the figure to the left is moved, wherein the projections 25 engage under the portions 22 of the webs 20.
  • the webs 20, projections 25 and barbs 21 can also be dimensioned and placed so that for mounting the backing part 12, first the sections 24 from the left in the perspective of Fig. 5 are pushed behind the projections and then the backing member 12 is pressed so that the barbs 21 engage in the opening 14 and hold the projections pressed against the inclined portions 23, whereby the skirt 5 between the backing piece 12 and the inner wall 13 is compressed and seals.
  • Figs. 6 and 7 show each different types of backing parts that serve to suspend a telescopic mechanism for a pull-out refrigerated goods, box or the like on an inner wall of a refrigerator housing.
  • Fig. 8 shows (leaving out the backing parts of the Figs. 6, 7 ) in relation to the telescopic mechanism to formed in the inner wall, provided for receiving the backing parts openings.
  • This embodiment is a modification of the published in the publication DE 102 33 217 A1 Applicant already described suspension.
  • FIG. 8 can be seen from the stationary rail 26 of the telescopic mechanism two hooks 27, 28 are unlatched, of which the door of the refrigerator adjacent hooks 27 points downward, while the tip of the rear wall of the refrigerator adjacent hook 28 faces this rear wall.
  • each openings shown empty 29, 30 of the fragments shown, designed as an inner lining, inner wall 31 of the refrigeration device housing are provided to the Schulegmaschine 32, 33 of the Figs. 6 or 7 record.
  • the backing parts 32, 33 have as the implementation of Fig. 1 a substantially cylindrical main body 1 with a radially projecting flange 8 on which an elastic skirt 5 made of a softer material than that of the main body 1 is formed. From the main body 1 protruding ribs 3 represent parts of a bayonet connection, which are pushed through from the foam side through the opening 29 and 30 and can then be rotated by 90 ° to anchor the Hinterlegmaschine 32, 33 to the inner wall 31.
  • the backing parts 32, 33 In the anchored position, the backing parts 32, 33 in the Figs. 6 or 7 orientation shown.
  • the rear hook 28 is first inserted horizontally behind a vertical web 34 of the backing part 33.
  • the distance between the openings 29, 30 of the inner wall 31 is dimensioned such that when the stationary element 26 reaches a stop on the web 34, the hook 27 comes to rest in front of an opening 35 of the backing piece 32, which in its upper region of a locking body 36 is largely filled.
  • the locking body 36 is integrally connected to the opening 35 surrounding the front wall 38 of the backing member 32 via a hairpin-shaped into the interior of the hollow Schulegteils 32 cross-spring 37.
  • the locking body 36 initially deviates back into the interior of the backing piece 32 in order subsequently, when the hook 27 is moved down in the opening 35 to engage behind the front wall 38, in its in Fig. 6 shown rest position in which he blocks the way of the hook 27 back up and so makes an unwanted loosening of the stationary rail 26 of the inner wall 31 impossible.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Description

Die vorliegende Erfindung betrifft ein Kältegerät, in welchem ein Bauteil zur Montage an einer hinterschäumten Wand verwendet ist.The present invention relates to a refrigerator in which a component is used for mounting on a foam-backed wall.

Das Gehäuse eines Kältegeräts wie etwa eines Kühlschranks, einer Gefriertruhe oder dergleichen ist herkömmlicherweise als ein Hohlkörper mit einer Außenwand und einer Innenwand realisiert, die einen mit Isolierschaum ausgefüllten Hohlraum umschließen. Isolierschaum wird in dem Hohlraum erzeugt, indem ein Polymermaterial, insbesondere Polyurethan, mit Druckgas beaufschlagt, in den Hohlraum eingespritzt wird und darin getrieben vom Druck des Gases expandiert. Der Antrieb durch das expandierende Druckgas sorgt dafür, dass sich das Schaummaterial bis entlegene Winkel des Hohlraums ausbreitet und eine geschlossene Isolierschaumschicht von gleichmäßiger Beschaffenheit bildet, die in dem Hohlraum abbindet. Auf diese Weise können schnell und einfach Gehäuse mit komplizierten Formen und gutem Wärmedämmvermögen hergestellt werden. Der Druck des Treibgases führt aber auch dazu, dass, wenn der Hohlraum vor dem Einspritzen des Polymermaterials nicht vollständig abgedichtet ist, der noch flüssige Schaum aus einer Ritze des Hohlraums ins Freie gelangen kann. Ausgetretener, abgebundener Schaum ist nur mit hohem Aufwand, wenn überhaupt, spurlos wieder zu beseitigen, so dass aus einem nicht ausreichend dichten Hohlraum austretender Schaum zu erheblichen wirtschaftlichen Einbußen führen kann.The housing of a refrigerator such as a refrigerator, a freezer or the like is conventionally realized as a hollow body with an outer wall and an inner wall, which enclose a filled with insulating foam cavity. Insulating foam is produced in the cavity by injecting a polymer material, in particular polyurethane, with compressed gas, injected into the cavity and, driven by it, expanded by the pressure of the gas. The drive by the expanding pressurized gas causes the foam material to spread to remote corners of the cavity and form a closed insulating foam layer of uniform consistency that sets in the cavity. In this way can be made quickly and easily housing with complicated shapes and good thermal insulation capacity. However, the pressure of the propellant gas also means that if the cavity is not completely sealed prior to injection of the polymer material, the still liquid foam can escape from a crack of the cavity to the outside. Trailed, set foam is only with great effort, if at all, to be removed without leaving a trace, so that emerging from a not sufficiently dense cavity foam can lead to significant economic losses.

Um Leitungen für Kältemittel, elektrische Energie oder Signale, Wasser und/oder andere Betriebsmittel durch die Schaumschicht eines solchen Kältegerätegehäuse zu führen oder Einbauteile in dem Gehäuse zu montieren, müssen Öffnungen in die Innenverkleidung von dessen Wänden geschnitten werden, um dort eine Durchführung, ein Hinterlegteil oder dergleichen zu montieren. Herkömmlicherweise wird zwischen einem solchen Bauteil und der Kunststoff-Innenverkleidung des Kältegerätegehäuses durch Abkleben mit Klebeband abgedichtet, was einen erheblichen Aufwand an Handarbeit erfordert.In order to lead lines for refrigerant, electrical energy or signals, water and / or other resources through the foam layer of such a refrigerator housing or mounting fittings in the housing, openings must be cut into the inner lining of the walls to there a passage, a backing part or the like. Conventionally, sealing between such a component and the plastic inner lining of the refrigerator housing by taping with tape, which requires a considerable amount of manual labor.

Die US 5 238 299 A beschreibt eine Anordnung zum Einbringen von elektrischen Leitern in das Innere eines Kühlschranks durch einen Innenbehälter des Kühlschranks hindurch.The US 5 238 299 A describes an arrangement for introducing electrical conductors into the interior of a refrigerator through an inner container of the refrigerator.

Um den Aufwand beim Abkleben zu reduzieren, ist auch vorgeschlagen worden, ein an einer Öffnung der Wand zu montierendes Bauteil mit einer vom Hauptkörper des Bauteils abstehenden elastischen Schürze zu versehen, von der ein freier Rand vorgesehen ist, um an einer Oberfläche der Wand dicht anzuliegen und so einen Durchtritt von Schaum zwischen der Wand und der Schürze zu verhindern.In order to reduce the effort in masking, it has also been proposed to provide a component to be mounted on an opening of the wall with an elastic skirt protruding from the main body of the component, from which a free edge is provided to fit snugly against a surface of the wall and so to prevent a passage of foam between the wall and the apron.

Dieser Ansatz hat sich als nicht vollauf befriedigend erwiesen, weil das Bauteil, das in den meisten Fällen lediglich als eine Halterung zur Befestigung eines weiteren Bauteiles vorgesehen ist, aus einem steifen, belastbaren Material gefertigt sein muss, das eine Schürze aus diesem Material im Allgemeinen aber, um sich schaumdicht an einer Oberfläche anzuschmiegen, sehr dünn sein muss. Je dünner die Schürze ist, um so besser kann sie sich zwar an die Oberfläche der Wand anschmiegen, um so größer ist jedoch auch die Gefahr, dass die Schürze vor oder während der Montage Schaden nimmt. Wenn dies geschieht, kann die Dichtigkeit der Schürze nicht auf ihren gesamten Umfang garantiert werden, und es besteht die Gefahr, dass beim Ausschäumen dennoch Isoliermaterial austritt.This approach has proved to be not fully satisfactory because the component, which is provided in most cases only as a holder for attaching another component, must be made of a rigid, resilient material that is an apron of this material in general but in order to be foam-tight on a surface, it must be very thin. The thinner the apron, the better it can cling to the surface of the wall, but the greater the risk that the apron will be damaged before or during assembly. When this happens, the tightness of the skirt can not be guaranteed to its full extent, and there is a risk that insulating material will escape during foaming.

Aufgabe der Erfindung ist, ein Kältegerät mit einem an einer Öffnung einer Wand montierten Bauteil anzugeben, das mit hoher Zuverlässigkeit dicht an die Wand anschließt und dabei robuster als das oben beschriebene herkömmliche Bauteil ist.The object of the invention is to provide a refrigeration device with a mounted on an opening of a wall component, which connects with high reliability close to the wall and is more robust than the conventional component described above.

Gegenstand der Erfindung ist ein Kältegerät mit einem wärmeisolierenden Gehäuse, das einen ausgeschäumten Hohlkörper umfasst, wobei an einer Wand des Hohlkörpers ein Bauteil in Kontakt mit dem den Hohlkörper ausfüllenden Schaum angebracht ist.The invention relates to a refrigerator with a heat-insulating housing, which comprises a foam-filled hollow body, wherein on a wall of the hollow body, a component in contact with the hollow body filling foam is attached.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, dass die aus einem flexibleren Material als der Hauptkörper bestehende Schürze an den Hauptkörper dicht angeformt ist. Dies erlaubt es, für den Hauptkörper ein Material mit guter mechanischer Belastbarkeit zu verwenden und gleichzeitig die Schürze durch eine erhöhte Wandstärke robust zu machen, ohne sie dadurch unerwünscht zu versteifen. Dies gelingt besonders einfach dadurch, dass die flexible Schürze eine geringere Shorehärte als der Hauptkörper aufweist und durch 2-Komponenten-Spritzguss-Technik an den Hauptkörper angeformt ist.The object is achieved in that the existing of a more flexible material than the main body skirt is integrally formed on the main body. This makes it possible to use for the main body a material with good mechanical strength and at the same time to make the skirt by an increased wall thickness, without thereby stiffening undesirable. This is achieved particularly simply by the fact that the flexible apron has a lower Shore hardness than the main body and is molded by 2-component injection molding technique to the main body.

Bei dem erfindungsgemäßen Kältegerät ist der Hauptkörper des Bauteils mit Rastmitteln zum Verrasten in der Öffnung der Wand versehen.In the refrigerator according to the invention, the main body of the component is provided with locking means for latching in the opening of the wall.

Durch die Verwendung eines weicheren Materiales mit geringerer Shorehärte A in Kombination mit einer dichtlippenartigen Gestalt für die Schürze ist eine sichere Dichtwirkung der Schürze gegen eine Öffnung der Innenverkleidung des Kühlgerätegehäuses oder der Kühlgerätetür ohne zusätzliche Abdichtungsmaßnahmen gewährleistet.By using a softer material with lower Shore A hardness in combination with a sealing lip-like shape for the apron a secure sealing action of the skirt against an opening of the inner lining of the refrigerator housing or the refrigerator door is guaranteed without additional sealing measures.

Durch die Rastmittel wird die im Vergleich zum Hauptkörper aus verhältnismäßig weichen und flexiblen Kunststoff gebildete Schürze umfänglich abdichtend gegen den Rand der Öffnung gepresst.By the locking means formed in comparison to the main body of relatively soft and flexible plastic skirt is circumferentially pressed sealingly against the edge of the opening.

Diese Rastmittel können insbesondere einen Teil einer Bajonettverbindung bilden, wobei der komplementäre Teil der Bajonettverbindung zweckmäßigerweise durch den Rand der Öffnung selbst gebildet ist. Die Rastmittel können auch Widerhaken umfassen, die mit dem Rand der Öffnung zusammenwirken.In particular, these latching means can form part of a bayonet connection, wherein the complementary part of the bayonet connection is expediently formed by the edge of the opening itself. The locking means may also include barbs which cooperate with the edge of the opening.

Bei dem Bauteil kann es sich insbesondere um eine Leitungsdurchführung, um ein Hinterlegteil für eine Innenbeleuchtung des Kältegeräts oder um eine Halterung für ein in einem Innenraum des Kältegeräts montiertes Element handeln.The component may in particular be a cable feedthrough, a backing part for interior lighting of the refrigeration device or a holder for an element mounted in an interior of the refrigeration device.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen mit Bezug auf die beigefügten Figuren. Es zeigen:

Fig. 1
eine perspektivische Ansicht einer Saugrohrdurchführung als erstes Ausführungsbeispiel eines erfindungsgemäßen Bauteils;
Fig. 2
einen radialen Schnitt durch die Schürze des Bauteils aus Fig. 1 gemäß einer ersten Ausgestaltung;
Fig. 3
einen radialen Schnitt analog zu Fig. 2 gemäß einer zweiten Ausgestaltung;
Fig. 4
eine perspektivische Ansicht eines Hinterlegteils, das vorgesehen ist, um einen Teil eines Gehäuses einer Innenbeleuchtung für ein Kältegerät zu bilden;
Fig. 5
eine Draufsicht auf ein Stück einer Kältegeräte-Innenwand, an der das Hinterlegteil der Fig. 2 montiert ist;
Fig. 6 und Fig. 7
jeweils perspektivische Ansichten von Hinterlegteilen für die Montage einer Teleskopschiene; und
Fig. 8
eine perspektivische Ansicht einer Teleskopschiene und von Abschnitten einer Innenwand, die mit Öffnungen zum Aufnehmen der Hinterlegteile der Figs. 4, 5 ausgestattet sind.
Further features and advantages of the invention will become apparent from the following description of exemplary embodiments with reference to the accompanying figures. Show it:
Fig. 1
a perspective view of a Saugrohrdurchführung as a first embodiment of a component according to the invention;
Fig. 2
a radial section through the skirt of the component Fig. 1 according to a first embodiment;
Fig. 3
a radial section analogous to Fig. 2 according to a second embodiment;
Fig. 4
a perspective view of a backing member, which is provided to form a part of a housing of an interior lighting for a refrigerator;
Fig. 5
a plan view of a piece of refrigeration appliance inner wall, in which the backing part of the Fig. 2 is mounted;
Fig. 6 and Fig. 7
each perspective views of backing parts for mounting a telescopic rail; and
Fig. 8
a perspective view of a telescopic rail and portions of an inner wall, with openings for receiving the backing parts of Figs. 4, 5 are equipped.

Die in Fig. 1 dargestellte Saugrohrdurchführung hat einen im Wesentlichen rohrförmigen, aus einem festen Kunststoffmaterial geformten Hauptkörper 1, durch den sich eine Bohrung 2 erstreckt. An einer Stirnseite der Bohrung 2 trägt der Hauptkörper 1 zwei sich über einen Teil von seinem Umfang radial erstreckende Rippen 3. Diese Stirnseite ist jeweils vorgesehen, um durch eine komplementär geformte Öffnung einer (nicht dargestellten) Außenwand eines Kältegerätegehäuses von der Schaumseite her durchgesteckt zu werden und dann in Richtung eines Pfeils P gedreht zu werden, so dass die Rippen 3 mit ihren angeschrägten Schmalseiten 4 zunächst auf die Öffnung umgebende Randbereiche der Außenwand aufgleiten und diese schließlich zwischen sich und einer elastischen Schürze 5 einklemmen. Die im Wesentlichen kegelringförmige elastische Schürze 5 hat einen Außendurchmesser, der größer ist als der der Öffnung in der Außenwand, so dass ein äußerer Rand 6 der Schürze 5 ununterbrochen an der Außenwand anliegt und so eine Schaumdichtung zwischen der Durchführung und der Außenwand bildet.In the Fig. 1 shown suction tube bushing has a substantially tubular, formed of a solid plastic material main body 1, through which a bore 2 extends. At one end face of the bore 2, the main body 1 carries two ribs 3 radially extending over a part of its circumference. This end face is provided in each case to be pushed through by a complementary shaped opening of an outer wall (not shown) of a refrigerator housing from the foam side and then to be rotated in the direction of an arrow P, so that the ribs 3 with their bevelled narrow sides 4 initially slide on the opening surrounding edge portions of the outer wall and finally pinch between them and a resilient skirt 5. The substantially conical annular elastic skirt 5 has an outer diameter which is greater than that of the opening in the outer wall, so that an outer edge 6 of the skirt 5 rests continuously on the outer wall and thus forms a foam seal between the passage and the outer wall.

Fig. 2 zeigt einen radialen Schnitt durch die Schürze 5 und daran angrenzende Bereiche des Hauptkörpers 1 gemäß einer ersten Ausgestaltung. Man sieht hier, dass die Schürze 5 an ihrem inneren Rand einen Wulst 7 aufweist, der in eine hinterschnittene, umlaufende Nut an der Peripherie eines Flansches 8 eingreift, der einen integralen Bestandteil des Hauptkörpers 1 bildet. Eine solche Anordnung kann z.B. geschaffen werden, indem die Schürze 5 mitsamt dem daran geformten Wulst 7 in eine Spritzform für die Herstellung des Hauptkörpers 1 eingesetzt wird und das Material des Hauptkörpers 1 den Wulst 7 beim Einspritzen umfließt. Fig. 2 shows a radial section through the skirt 5 and adjacent thereto areas of the main body 1 according to a first embodiment. It can be seen here that the skirt 5 has at its inner edge a bead 7 which engages in an undercut, circumferential groove on the periphery of a flange 8, which forms an integral part of the main body 1. Such an arrangement can be created, for example, by the skirt 5 together with the bead 7 formed thereon is inserted into an injection mold for the production of the main body 1 and the material of the main body 1 flows around the bead 7 during injection.

Alternativ ist auch ein Aufbau wie in Fig. 3 gezeigt möglich, bei dem der Flansch 8 eine schmale umlaufende Feder 9 trägt, die mit einer nach innen offenen Nut der Schürze 5 im Eingriff ist.Alternatively, a structure as in Fig. 3 shown possible, in which the flange 8 carries a small circumferential spring 9, which is in engagement with an inwardly open groove of the skirt 5.

Jenseits von dem die Schürze 5 tragenden Flansch 8 sind an dem Hauptkörper 1 noch mehrere umlaufende Rippen 10 ausgeformt, die vorgesehen sind, um beim Ausschäumen des Hohlraums des Kältegerätegehäuses von dem Schaummaterial umflossen zu werden und den Hauptkörper 1 dadurch in dem ausgehärteten Schaummaterial fest zu verankern.Beyond the skirt 8 carrying the skirt 5, a plurality of circumferential ribs 10 are formed on the main body 1, which are provided to be enveloped by the foam material during foaming of the cavity of the refrigerator housing and thereby firmly anchoring the main body 1 in the cured foam material ,

Die Bohrung 2 mündet an ihrem von den Rippen 3 abgewandten Ende auf einen großflächigen Flansch 11, der vorgesehen ist, um dicht an einer Innenwand des Kältegerätegehäuses oder der Oberfläche eines Verdampfers (nicht dargestellt) anzuliegen, von dem aus ein Saugrohr sich durch die Bohrung 2 erstrecken soll. Um einen schaumdichten Abschluss auch in Höhe des Flansches 11 herzustellen, kann dieser beispielsweise vor der Montage mit einem flüssigen Klebstoff bestrichen sein, der an der Innenwand oder dem Verdampfer dicht abbindet, bevor die so erhaltene Klebestelle beim Ausschäumen belastet wird.The bore 2 opens at its end facing away from the ribs 3 on a large-scale flange 11, which is provided to be tight against an inner wall of the refrigerator housing or the surface of an evaporator (not shown), from which a suction pipe through the bore. 2 should extend. In order to produce a foam-tight closure even at the level of the flange 11, this can be coated, for example, prior to assembly with a liquid adhesive, which sets tight on the inner wall or the evaporator, before the thus obtained splice is loaded during foaming.

Ein zweites Beispiel eines erfindungsgemäßen Einbauteils ist in Fig. 4 gezeigt. Es handelt sich hier um ein in etwa schalenförmiges Hinterlegteil 12, das vorgesehen ist, um an einer in eine Innenwand 13 eines Kältegerätegehäuses geschnittene Öffnung 14 (siehe Fig. 5) von der Schaumseite her verrastet zu werden, um so eine Vertiefung in der Wand zu bilden, die in der Lage ist, ein elektrisches Leuchtmittel und dessen Fassung wenigstens zum Teil aufzunehmen. Das Hinterlegteil 12 hat eine zu der Innenwand 13 hin (bzw. in der Perspektive der Fig. 4 nach oben) leicht konkav gewölbten Boden 15, in dessen mittlerem Bereich eine Vertiefung 16 zur Aufnahme des Leuchtmittels gebildet ist. An einen äußeren Rand des Bodens 15 ist eine umlaufend elastische Schürze 5 in analoger Weise wie in den Figs. 2 oder 3 gezeigt angeformt, die vorgesehen ist, um dicht an der Schaumseite der Innenwand anzuliegen, wenn das Hinterlegteil 12 an ihr verankert ist. Die Schürze 5 ist außen von einer mit dem Boden 15 über Stege 17 einteilig verbundenen Reling 18 umgeben, die einen Teil des beim Ausschäumen von dem Schaum ausgeübten Drucks von der Schürze 5 abhält.A second example of a fitting according to the invention is in Fig. 4 shown. This is an approximately cup-shaped backing part 12, which is provided to a on an inner wall 13 of a refrigeration device housing cut opening 14 (see Fig. 5 ) to be latched from the foam side, so as to form a recess in the wall, which is able to at least partially receive an electrical lamp and its socket. The backing piece 12 has a facing toward the inner wall 13 (or in the perspective of Fig. 4 to the top) slightly concave arched bottom 15, in the central region of a recess 16 is formed for receiving the bulb. To an outer edge of the bottom 15 is a circumferentially elastic skirt 5 in an analogous manner as in the Figs. 2 or 3 shown formed, which is intended to lie close to the foam side of the inner wall, when the backing part 12 anchored to her. The skirt 5 is surrounded on the outside by a rail 18 integrally connected via webs 17 rail 18, which prevents a part of the pressure exerted by the foam during foaming of the skirt 5.

Von dem Boden 15 stehen drei parallele Rippen 19, die jeweils einen geschwungenen Steg 20 tragen, sowie zwei Widerhaken 21 ab. Die Stege 20 haben jeweils zwei zu der Innenwand 13 in etwa parallel orientierte Abschnitte 22, 24, von denen jeweils der längere 22 näher am Boden 15 liegt als der kürzere 24, sowie einen die Abschnitte 22, 24 kontinuierlich verbindenden schrägen Abschnitt 23. Wie in Fig. 5 gezeigt, sind nach innen gerichtete Vorsprünge 25 an den Längsrändern der Öffnung 14 jeweils so platziert, dass in einer verrasteten Stellung des Hinterlegteils 12 die Vorsprünge 25 durch die elastisch gestauchte Schürze 5 gegen die Abschnitte 24 gedrückt werden und gleichzeitig die Widerhaken 21 an einem Querrand der Öffnung 14 angreifen und so eine Anschlagstellung des Hinterlegteils 12 definieren.From the bottom 15 are three parallel ribs 19, each carrying a curved web 20, and two barbs 21 from. The webs 20 each have two to the inner wall 13 in approximately parallel oriented portions 22, 24, of which each of the longer 22 is closer to the bottom 15 than the shorter 24, as well as a sections 22, 24 continuously connecting oblique portion 23. As in Fig. 5 are shown inwardly directed projections 25 at the longitudinal edges of the opening 14 are each placed so that in a locked position of the backing member 12, the projections 25 are pressed by the elastically compressed skirt 5 against the portions 24 and at the same time the barbs 21 at a transverse edge of the Attack opening 14 and so define a stop position of the backing part 12.

Das Hinterlegteil 12 kann in diese verrastete Stellung gelangen, indem die Rippen 19 und Stege 20 zunächst in der jeweils als gepunktete Umrisse dargestellten Stellung in die Öffnung 14 eingeführt werden, wobei die Schürze 5 zusammengedrückt wird, und anschließend das Hinterlegteil 12 in der Figur nach links verschoben wird, wobei die Vorsprünge 25 unter die Abschnitte 22 der Stege 20 eingreifen.The backing member 12 can enter this latched position by first inserting the ribs 19 and lands 20 into the opening 14 in the respective dotted outline position, compressing the skirt 5, and then the backing member 12 in the figure to the left is moved, wherein the projections 25 engage under the portions 22 of the webs 20.

Alternativ können die Stege 20, Vorsprünge 25 und Widerhaken 21 auch so bemessen und platziert sein, dass zum Montieren des Hinterlegteils 12 zunächst die Abschnitte 24 von links in der Perspektive der Fig. 5, hinter die Vorsprünge geschoben werden und anschließend das Hinterlegteil 12 angedrückt wird, so dass die Widerhaken 21 in die Öffnung 14 einrasten und die Vorsprünge gegen die schrägen Abschnitte 23 gedrückt halten, wodurch die Schürze 5 zwischen dem Hinterlegteil 12 und der Innenwand 13 gestaucht wird und abdichtet.Alternatively, the webs 20, projections 25 and barbs 21 can also be dimensioned and placed so that for mounting the backing part 12, first the sections 24 from the left in the perspective of Fig. 5 are pushed behind the projections and then the backing member 12 is pressed so that the barbs 21 engage in the opening 14 and hold the projections pressed against the inclined portions 23, whereby the skirt 5 between the backing piece 12 and the inner wall 13 is compressed and seals.

Die Figs. 6 und 7 zeigen jeweils verschiedene Typen von Hinterlegteilen, die zur Aufhängung eines Teleskopmechanismus für einen ausziehbaren Kühlgutträger, Kasten oder dergleichen an einer Innenwand eines Kältegerätegehäuses dienen. Fig. 8 zeigt (unter Fortlassung der Hinterlegteile der Figs. 6, 7) den Teleskopmechanismus in Bezug zu in der Innenwand gebildeten, zum Aufnehmen der Hinterlegteile vorgesehenen Öffnungen.The Figs. 6 and 7 show each different types of backing parts that serve to suspend a telescopic mechanism for a pull-out refrigerated goods, box or the like on an inner wall of a refrigerator housing. Fig. 8 shows (leaving out the backing parts of the Figs. 6, 7 ) in relation to the telescopic mechanism to formed in the inner wall, provided for receiving the backing parts openings.

Diese Ausgestaltung stellt eine Abwandlung der in der Offenlegungsschrift DE 102 33 217 A1 der Anmelderin bereits beschriebenen Aufhängung dar.This embodiment is a modification of the published in the publication DE 102 33 217 A1 Applicant already described suspension.

Wie in Fig. 8 zu sehen, sind aus der ortsfesten Schiene 26 des Teleskopmechanismus zwei Haken 27, 28 ausgeklinkt, von denen der der Tür des Kältegeräts benachbarte Haken 27 nach unten weist, während die Spitze des der Rückwand des Kältegeräts benachbarten Hakens 28 dieser Rückwand zugewandt ist. In Fig. 8 jeweils leer dargestellte Öffnungen 29, 30 der in Bruchstücken gezeigten, als Innenverkleidung ausgebildeten, Innenwand 31 des Kältegerätegehäuses sind vorgesehen, um die Hinterlegteile 32, 33 der Figs. 6 bzw. 7 aufzunehmen. Die Hinterlegteile 32, 33 haben wie die Durchführung der Fig. 1 einen im Wesentlichen zylindrischen Hauptkörper 1 mit einem radial abstehenden Flansch 8, an dem eine elastische Schürze 5 aus einem weicheren Material als dem des Hauptkörpers 1 angeformt ist. Vom Hauptkörper 1 abstehende Rippen 3 stellen Teile einer Bajonettverbindung dar, die von der Schaumseite her durch die Öffnung 29 bzw. 30 hindurchgeschoben werden und dann um 90° verdreht werden können, um die Hinterlegteile 32, 33 an der Innenwand 31 zu verankern.As in Fig. 8 can be seen from the stationary rail 26 of the telescopic mechanism two hooks 27, 28 are unlatched, of which the door of the refrigerator adjacent hooks 27 points downward, while the tip of the rear wall of the refrigerator adjacent hook 28 faces this rear wall. In Fig. 8 each openings shown empty 29, 30 of the fragments shown, designed as an inner lining, inner wall 31 of the refrigeration device housing are provided to the Hinterlegteile 32, 33 of the Figs. 6 or 7 record. The backing parts 32, 33 have as the implementation of Fig. 1 a substantially cylindrical main body 1 with a radially projecting flange 8 on which an elastic skirt 5 made of a softer material than that of the main body 1 is formed. From the main body 1 protruding ribs 3 represent parts of a bayonet connection, which are pushed through from the foam side through the opening 29 and 30 and can then be rotated by 90 ° to anchor the Hinterlegteile 32, 33 to the inner wall 31.

In der verankerten Stellung haben die Hinterlegteile 32, 33 die in den Figs. 6 bzw. 7 gezeigte Orientierung. Um die ortsfeste Schiene 26 an den Hinterlegteilen 32, 33 zu montieren, wird deren hinterer Haken 28 zunächst horizontal hinter einen vertikalen Steg 34 des Hinterlegteils 33 eingeschoben. Der Abstand zwischen den Öffnungen 29, 30 der Innenwand 31 ist so bemessen, dass, wenn das ortsfeste Element 26 an dem Steg 34 einen Anschlag erreicht, der Haken 27 vor einer Öffnung 35 des Hinterlegteils 32 zu liegen kommt, die in ihrem oberen Bereich von einem Verriegelungskörper 36 weitgehend ausgefüllt ist.In the anchored position, the backing parts 32, 33 in the Figs. 6 or 7 orientation shown. In order to mount the stationary rail 26 on the backing parts 32, 33, the rear hook 28 is first inserted horizontally behind a vertical web 34 of the backing part 33. The distance between the openings 29, 30 of the inner wall 31 is dimensioned such that when the stationary element 26 reaches a stop on the web 34, the hook 27 comes to rest in front of an opening 35 of the backing piece 32, which in its upper region of a locking body 36 is largely filled.

Der Verriegelungskörper 36 ist mit der die Öffnung 35 umgebenden Vorderwand 38 des Hinterlegteils 32 einteilig über eine haarnadelförmig ins Innere des hohlen Hinterlegteils 32 greifende Feder 37 verbunden. Wenn der Haken 27 der ortsfesten Schiene 26 in die Öffnung 35 hineingedrückt wird, um die ortsfeste Schiene 26 zu verrasten, weicht der Verriegelungskörper 36 zunächst ins Innere des Hinterlegteils 32 zurück, um anschließend, wenn der Haken 27 in der Öffnung 35 abwärts bewegt wird, um ihn hinter der Vorderwand 38 in Eingriff zu bringen, in seine in Fig. 6 gezeigte Ruhestellung zurückzuspringen, in der er den Weg des Hakens 27 zurück nach oben versperrt und so ein ungewolltes Lösen der ortsfesten Schiene 26 von der Innenwand 31 unmöglich macht.The locking body 36 is integrally connected to the opening 35 surrounding the front wall 38 of the backing member 32 via a hairpin-shaped into the interior of the hollow Hinterlegteils 32 cross-spring 37. When the hook 27 of the stationary rail 26 is pressed into the opening 35 to lock the stationary rail 26, the locking body 36 initially deviates back into the interior of the backing piece 32 in order subsequently, when the hook 27 is moved down in the opening 35 to engage behind the front wall 38, in its in Fig. 6 shown rest position in which he blocks the way of the hook 27 back up and so makes an unwanted loosening of the stationary rail 26 of the inner wall 31 impossible.

Claims (8)

  1. Refrigerator with a heat-insulating housing, which comprises a foamed hollow body, wherein a component (32, 33) in contact with the foam filling the hollow body is attached to a wall (13, 31) of the hollow body, wherein the component (32, 33) is embodied for assembly on an opening (14, 29, 30) of the wall (13, 31) and is provided with a component main body (1, 12) and a flexible apron (5) projecting from the main body (1, 12), characterised in that the apron (5) consisting of a more flexible material than the main body (1, 12) is moulded tightly against the main body (1, 12), wherein the main body (1, 12) has latching means (3, 19, 20, 21) for latching in the opening (14, 29, 30).
  2. Refrigerator according to claim 1, characterised in that the apron (5) and the main body (1, 12) is produced by means of a 2 component injection moulding technique.
  3. Refrigerator according to claim 1 or 2, characterised in that the apron (5) has a lower Shore hardness than the main body (1, 12).
  4. Refrigerator according to one of claims 1 to 3, characterised in that the latching means (3) form part of a bayonet connection.
  5. Refrigerator according to one of claims 1 to 3, characterised in that the latching means comprise barbed hooks (21).
  6. Refrigerator according to one of claims 1 to 5, characterised in that the component is a cable duct.
  7. Refrigerator according to one of claims 1 to 5, characterised in that the component is a backing piece for a refrigerator's internal lighting system.
  8. Refrigerator according to one of claims 1 to 5, characterised in that the component is a bracket (32, 33) for an element mounted in an interior of the refrigerator.
EP05786873.9A 2004-09-20 2005-09-19 Refrigerator with back foamed wall and comopnent for mounting on the wall Active EP1794520B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05786873T PL1794520T3 (en) 2004-09-20 2005-09-19 Refrigerator with back foamed wall and comopnent for mounting on the wall

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004045475A DE102004045475A1 (en) 2004-09-20 2004-09-20 Component for mounting on a back-foamed wall and thus equipped refrigeration device
PCT/EP2005/054657 WO2006032643A1 (en) 2004-09-20 2005-09-19 Component for assembly on a wall with expanded foam behind the same and refrigerator provided with the same

Publications (2)

Publication Number Publication Date
EP1794520A1 EP1794520A1 (en) 2007-06-13
EP1794520B1 true EP1794520B1 (en) 2019-01-23

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EP (1) EP1794520B1 (en)
CN (1) CN100507412C (en)
DE (1) DE102004045475A1 (en)
PL (1) PL1794520T3 (en)
RU (1) RU2383830C2 (en)
TR (1) TR201901667T4 (en)
WO (1) WO2006032643A1 (en)

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DE102006052449A1 (en) * 2006-11-07 2008-05-08 BSH Bosch und Siemens Hausgeräte GmbH Housing for a household appliance
DE102009000667A1 (en) * 2009-02-06 2010-08-12 BSH Bosch und Siemens Hausgeräte GmbH Household cooler with a receiving space
CN101865584A (en) * 2009-04-14 2010-10-20 博西华家用电器有限公司 Refrigerator
CN101865492A (en) * 2009-04-14 2010-10-20 博西华家用电器有限公司 Refrigerator
DE102009002444A1 (en) 2009-04-16 2010-10-21 BSH Bosch und Siemens Hausgeräte GmbH The refrigerator
DE102010043546A1 (en) * 2010-11-08 2012-05-10 BSH Bosch und Siemens Hausgeräte GmbH Backing piece for fastening an electrical component to a housing wall
DE102010043545A1 (en) 2010-11-08 2012-05-10 BSH Bosch und Siemens Hausgeräte GmbH Lighting device for a large electrical appliance
CN102798263B (en) * 2011-05-27 2017-07-14 博西华家用电器有限公司 Refrigerating appliance
JP6609791B2 (en) * 2015-06-24 2019-11-27 パナソニックＩｐマネジメント株式会社 Refrigerator door and refrigerator
DE102015221431A1 (en) * 2015-11-02 2017-05-04 BSH Hausgeräte GmbH Refrigerating appliance with backing part and method for producing a refrigeration appliance with backing part
DE102019219105A1 (en) * 2019-12-06 2021-06-10 BSH Hausgeräte GmbH Household refrigeration appliance with a backing part and a method for manufacturing the household refrigeration appliance

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WO2006032643A1 (en) 2006-03-30
TR201901667T4 (en) 2019-02-21
RU2007109449A (en) 2008-10-27
CN101023307A (en) 2007-08-22
EP1794520A1 (en) 2007-06-13
CN100507412C (en) 2009-07-01
PL1794520T3 (en) 2019-07-31
DE102004045475A1 (en) 2006-03-30
RU2383830C2 (en) 2010-03-10

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