EP2812639B1 - Refrigerator with a fan and a method for mounting the fan - Google Patents

Refrigerator with a fan and a method for mounting the fan Download PDF

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Publication number
EP2812639B1
EP2812639B1 EP13700741.5A EP13700741A EP2812639B1 EP 2812639 B1 EP2812639 B1 EP 2812639B1 EP 13700741 A EP13700741 A EP 13700741A EP 2812639 B1 EP2812639 B1 EP 2812639B1
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EP
European Patent Office
Prior art keywords
bearing
bearing pin
fan housing
fan
locking
Prior art date
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Active
Application number
EP13700741.5A
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German (de)
French (fr)
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EP2812639A1 (en
Inventor
Alexander Koch
Michaela Malisi
Renate Pradel
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2812639A1 publication Critical patent/EP2812639A1/en
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Publication of EP2812639B1 publication Critical patent/EP2812639B1/en
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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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067—Evaporator fan units
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49327—Axial blower or fan

Definitions

  • the present invention relates to a refrigerator with an evaporator and with a fan and a mounting method for mounting the fan.
  • the fan should therefore be easy to install and the installation can be realized inexpensively.
  • fans have moving parts, in particular impellers, which are subject to wear, it is advantageous to be able to easily replace the fan.
  • the fan should therefore be quick and easy to assemble and disassemble.
  • the invention relates to a refrigeration device with an evaporator and with a fan and a fan housing for generating an air flow to the evaporator and with a bearing shell for vibration-decoupled mounting of the fan housing the evaporator wherein the fan housing has at least one first journal and a second journal, that the bearing shell has at least a first receiving recess for pivotally receiving the first journal and a second receiving recess for receiving the second journal, and in that a pivotable locking element for locking the second journal in the second receiving recess is provided.
  • the fan has, for example, an external rotor fan motor.
  • An external rotor is a design of electric motors in which the stationary part (stator) of the motor is located inside and is enclosed by the moving part (rotor, "rotor"). These can be, for example, asynchronous motors with squirrel-cage rotors.
  • the rotor When executed as an external rotor electronically commutated DC motors, the rotor consists for example of several alternately radially aligned annularly arranged permanent magnet or a corresponding multi-pole magnetized ring.
  • a refrigeration cycle of the refrigeration device comprises, for example, a compressor for compressing refrigerant vapor, a condenser connected downstream of the compressor for condensing the refrigerant vapor and the evaporator connected downstream of the condenser and for the evaporation of the liquefied refrigerant.
  • the condenser is like the evaporator for heat transfer between supplied air and the fluid of the refrigeration circuit established.
  • Under refrigeration device is in particular a household refrigeration appliance understood, ie a refrigerator, which is used for household management in the household or catering trade, and in particular serves to store food and / or drinks at certain temperatures, such as a refrigerator, a freezer, a refrigerator combination, a freezer or a wine fridge.
  • a household refrigeration appliance understood, ie a refrigerator, which is used for household management in the household or catering trade, and in particular serves to store food and / or drinks at certain temperatures, such as a refrigerator, a freezer, a refrigerator combination, a freezer or a wine fridge.
  • the first bearing journal and the second bearing journal are each provided with annular damping elements, in particular annular rubber sleeves, for vibration decoupling.
  • annular damping elements in particular annular rubber sleeves
  • the vibrations of the housing of the fan are not or only to a lesser extent transferred to the evaporator.
  • the respective damping element may be elastic, for example made of rubber.
  • the respective damping element allows storage of the fan housing on the evaporator while preventing or reducing transmission of vibrations from the housing to the evaporator.
  • noise emissions resulting from the radiation of sound waves resulting from vibrations transmitted from the housing of the fan from the evaporator to the environment are avoided.
  • the noise emissions of the refrigerator are thereby improved.
  • the first bearing pin is insertable into the first receiving recess and forms a pivot axis for a pivot bearing of the fan housing with respect to the bearing shell.
  • a third bearing journal can be provided, which can be arranged at the same height as the first bearing journal, ie along the pivot axis.
  • the fan housing is thus arranged pivotably on the first bearing journal.
  • the second bearing journal can be pivoted into the second receiving recess. This can be realized for example by a pivoting of the fan housing on the aforementioned pivot axis.
  • the first receiving recess is formed by a slot which is open at the edge and into which the first bearing journal can be inserted. As a result, a secure mounting of the first journal is achieved.
  • the fan housing has a third bearing journal and fourth journal, wherein the bearing shell has at least one third receiving recess for pivotally receiving the third journal and a fourth receiving recess for receiving the fourth journal, wherein the first journal and the third journal laterally and opposite each other are arranged on the fan housing, wherein the second bearing journal and the fourth journal are arranged laterally opposite one another on the fan housing, and that the locking element is provided for locking the fourth journal in the fourth receiving recess.
  • the first and the third bearing pin may be arranged below or above the second and the third bearing pin.
  • the bearing pins are mounted laterally on the fan housing, wherein the first, second, third and fourth receiving recess is formed laterally in the bearing shell, in particular in lateral walls of the bearing shell.
  • At least one arresting receptacle in particular locking bolt, is provided for the locking of the locking element on the bearing shell.
  • the locking element has at least one locking hook, which is designed to pivotally engage behind the locking receptacle, in particular locking bolt.
  • the locking element may have a further locking hook, which is arranged opposite the locking hook and engages behind a further receptacle. As a result, the locking element can be locked on both sides of the fan housing.
  • the locking element comprises a mounting bracket pivotally mounted on the fan housing, wherein the respective locking hook is attached to the mounting bracket.
  • the lock can be particularly easily realized.
  • the second bearing pin and / or the fourth bearing pin can be locked during a rotational movement of the mounting bracket about a bearing axis of the mounting bracket.
  • the aforementioned locking hooks can engage behind the Arretianssaufhahmen.
  • the mounting bracket with the bearing shell by means of a latching connection in particular by means of a latching hook, releasably connectable.
  • the mounting bracket on both sides of the bearing shell, in particular by means of the bearing pin, pivotally mounted and engages in a locking position in which the respective bearing pin is locked in the respective second receptacle, the bearing shell at least partially. This allows the mounting bracket to be mounted on the bearing shell and hold the fan housing in addition.
  • the bearing shell is attached to the evaporator or formed by an evaporator pan.
  • the invention relates to a mounting method for mounting a fan with a Beerergeophuse in a refrigerator by means of a bearing shell for vibration-decoupled mounting of the fan housing, wherein the fan housing has at least a first bearing pin and at least one second bearing journal, wherein the bearing shell a first receiving recess for pivotally mounted Receiving the first journal and a second receiving recess for receiving the second journal, and wherein a pivotable locking element is provided for locking the second journal in the second receiving recess.
  • the method comprises inserting the first bearing journal of the air housing into the first receiving recess of the bearing shell, pivoting the second bearing journal into the second receiving recess of the bearing shell by pivoting the air housing about a pivot axis defined by the first bearing journal towards the bearing shell, and locking the second bearing journal in the second receiving recess by the locking element.
  • the bearing journals of the fan housing are fixed in the vertical and horizontal directions. About a rotational movement about the first bearing axis, the bearing journals of the fan housing are pivoted during assembly in the second bearing shells of the bearing shell, whereby the fan housing is positioned horizontally against the bearing shell.
  • FIG. 1 shows a schematic representation of a fan 5 of a refrigerator 1 with a fan housing 11.
  • a first bearing journal 13 and a second bearing journal 14 are arranged on the fan housing 11 opposite one another.
  • Above the first and second bearing pins 13, 14, a third bearing pin 21 and a fourth bearing pin 22 are arranged on the fan housing 11 opposite one another.
  • the journals 13, 14, 21, 22 are provided to attach the fan 5 in the bearing shell 4, which on an evaporator (in Fig. 1 not shown) can be attached.
  • damping elements 17 are mounted to decouple the fan 5 of the bearing shell 4 and thus of the evaporator vibration technology.
  • the damping elements 17 are designed annular in this embodiment and attached to the bearing pins 13, 14, 21, 22. As a result, they space and damp the bearing journals 13, 14, 21, 22 both in the axial and in the radial direction.
  • a locking element 30 which comprises a mounting bracket 31 with locking hook 33.
  • the mounting bracket 31 is in Fig. 1 shown in front view.
  • the mounting bracket 31 extends in approximately semicircular along the bearing shell 4.
  • locking hooks 35 are provided for locking the mounting bracket.
  • Arretiansshaken 33 are provided at the ends of the mounting bracket 31, which engage behind the locking of the second and the fourth bearing pin 21, 22 corresponding locking receptacles, for example, locking pin.
  • the bearing journals 13, 14, 21, 22 of the fan housing 11 ensure positionally accurate positioning of the fan wheel of the fan 5 in the axial and radial directions to an inlet nozzle located on the bearing shell 4.
  • the vibration decoupling is characterized on the fan housing 11 so by two bearing axes, each with opposite bearing pins 13, 14 and 21, 22.
  • the damping element 17 is made of rubber, for example. It extends, for example, so radially around the respective bearing journal, that even a radial contact between bearing pin 13, 14, 21, 22 and evaporator is avoided. A transmission of vibrations from the fan 5 to the evaporator via the bearing journals 13, 14, 21, 22 is thereby avoided.
  • the first and the third bearing journals 13 and 14 of the fan housing 11 are each inserted into corresponding receiving recess of the bearing shell, which may be formed as elongated holes. Thereafter, the second and the fourth bearing pin 21, 22 inserted into corresponding receiving recesses of the bearing shell 4 by pivoting the fan housing 11 about a defined by the first bearing pin 13 pivot axis to the bearing shell 4 out. Thereafter, the second and the fourth bearing pin 21, 22 are locked in the corresponding receiving recesses by the locking element 30. In this case, the locking hooks 33 engage behind corresponding locking receptacles, which can be designed as locking pins.
  • FIG. 2 shows a schematic representation of the fan 5 with the mounting bracket 31 open in side view.
  • the mounting bracket 31 is pivoted away from the fan 5 as shown. The pivoting takes place in this embodiment to the Pivot axis of the first trunnion 13.
  • the mounting bracket 31 is thereby pivoted in or out of the image plane.
  • a seal 37 can be seen, which serves to seal the fan 5 with an evaporator.
  • Arretiansshaken 33 are provided laterally on the mounting bracket 31 and serve to be brought when pivoting the mounting bracket 31 into engagement with the bearing shell 4 to secure the fan 5.
  • a spring element may be provided that aligns the mounting bracket 31 in its pivotal position elastically to the evaporator.
  • a defined mounting of the fan housing 11 can be achieved by the mounting bracket 31.
  • the mounting bracket 31 has, for example, at least one locking hook 33 for locking on a device provided on the evaporator Arrent Wegsinger.
  • the arresting receptacle can be designed as a locking pin, which can be engaged behind by the locking hook 33.
  • the locking hook 33 is formed on the mounting bracket 31 so that the locking hook 33 forms a unit with the mounting bracket 31.
  • the locking element 30 is preferably rotatably mounted on the bearing journal 21, 22 of the fan housing 11.
  • the locking element 30 is executed, for example, at its lateral ends, each with a locking hook 33.
  • the lateral locking hooks 33 are hooked into the designated locking bolts of the bearing shell 4 and can be supported there. This increases the stability of the connection of the fan housing 11 with the bearing shell 4.
  • At least one latching hook 35 is arranged on the locking element 30 for a latching connection with the bearing shell 4 or with the evaporator.
  • the latching hook 35 is detachable, for example, by a manual deflection of the latching.
  • the locking hook 35 located on the locking element 30 is latched "audibly" in a receptacle provided with the bearing shell 4, for example.
  • the audible locking ensures that the operator can perceive the latching process particularly well.
  • the geometry of the Latching hook 35 is, for example, chosen so that upon compression of two oppositely arranged latching hooks 35, the latching connection is releasable again, but on loading the closed latching connection on train the latching hooks 35 further spread to ensure the latching.
  • an elastic seal between the fan housing 11 and the bearing shell 4 is provided.
  • the seal is for example captively attached to the fan housing 11, while it only comes to rest sealingly on the bearing shell 4.
  • a knotted seal may be provided, for example, at the front circumferential edge of the fan housing, the geometry is chosen so that the stable seal base secures the captive attachment to the fan housing, while the sealing lip flexible and almost no force the bearing shell rests.
  • FIG. 3 shows a side view of a bearing shell 4, which may be formed as an evaporator trough of an evaporator 3.
  • the bearing shell 4 has a first receiving recess 15 and a second receiving recess 23.
  • the receiving recesses 15, 23 are provided to receive the bearing journals 13, 21.
  • the bearing pins 13, 21 of the fan 5 in the recesses 15, 23 come to rest, so that they find stop there.
  • FIG. 4 shows a schematic representation of the evaporator 3 with attached fan 5 with the mounting bracket 31 open in side view. Shown is the arrangement in which only the first bearing pin 13 of the fan 5 engages in the corresponding first receiving recess 15 of the bearing shell 4. The second bearing pin 21 is still spaced to the second recess 23 associated therewith.
  • the first receiving recess 15 is formed in the shape of a slot, so that the inserted first bearing pin 13 can be supported against the bearing shell 4 and the fan 5 holds down the evaporator 3. In this case, the fan 5 remains pivotable about the pivot axis of the first journal 13.
  • FIG. 5 shows a schematic representation of the evaporator 3 with attached fan 5 with closed locking element 30 in side view. Shown is the arrangement in which the second bearing pin 21 of the fan 5 engages in the corresponding second receiving recess 23 of the fan 5. This arrangement is created by further pivoting of the fan 5 about the axis of the first journal 13 on the bearing shell 4 and the evaporator 3 to.
  • the mounting bracket 31 is in this case now closed, and takes over the function to keep the evaporator 3 and the fan 5 in position.
  • a locking hook 33 is also provided, which can engage behind in a provided on the bearing shell 4 Arret michsaufhahme 34.
  • the Arret istsaufhahme 34 is designed as a locking pin that protrudes from the bearing shell 4.
  • FIG. 6 shows a schematic representation of a mounting bracket 31 with the locking hook 35.
  • the latching hook 35 is latched to the evaporator 3 and the bearing shell 4 and avoids accidental release of the mounting bracket 31.
  • To fix the mounting bracket 31 in its end position of the mounting bracket 31 is located Latch hook 35 locked in a designated receptacle of the bearing shell.
  • the fan solution combines the external rotor engine technology with an integrated air duct.
  • This construction in conjunction with the gap-free system on the bearing shell 4 ensures a high, lossless air performance. Further is a vibration-decoupled and therefore noise-minimized connection of the fan 5 with integrated air duct given.
  • the fan 5 is compact and safe and easy to install. In customer service case is also easy to disassemble and safely reassembled.

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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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Rolling Contact Bearings (AREA)

Description

Die vorliegende Erfindung betrifft ein Kältegerät mit einem Verdampfer sowie mit einem Lüfter und ein Montageverfahren zur Montage des Lüfters.The present invention relates to a refrigerator with an evaporator and with a fan and a mounting method for mounting the fan.

Bei vielen Kältegeräten treten Schwingungen an Lüftern auf, die über die Befestigungselemente des Lüfters beispielsweise auf einen Verdampfer des Kältegerätes übertragen und dann als Schall in die Umgebung abgestrahlt werden. Diese Schallemissionen werden als störend wahrgenommen.In many refrigerators vibrations occur on fans, which are transmitted via the fastening elements of the fan, for example, to an evaporator of the refrigerator and then emitted as sound into the environment. These sound emissions are perceived as disturbing.

Gleichzeitig fordert die Marktsituation alle Kostenpotenziale bei der Fertigung von Kältegeräten auszuschöpfen. Der Lüfter sollte daher einfach montierbar sein und die Anbringung kostengünstig realisierbar sein.At the same time, the market situation calls for exhausting all cost potentials in the production of refrigeration appliances. The fan should therefore be easy to install and the installation can be realized inexpensively.

Da Lüfter bewegte Teile, insbesondere Flügelräder, aufweisen, die einem Verschleiß unterworfen sind, ist es vorteilhaft den Lüfter einfach austauschen zu können. Der Lüfter sollte sich demnach schnell und einfach montieren und auch demontieren lassen.Since fans have moving parts, in particular impellers, which are subject to wear, it is advantageous to be able to easily replace the fan. The fan should therefore be quick and easy to assemble and disassemble.

Im Rahmen der Globalisierung der Märkte werden Kältegeräte zunehmend auch über weite Strecken, teilweise bei starken Erschütterungen, transportiert. Es ist daher gewünscht, dass der Lüfter verliersicher, auch bei Erschütterungen des Kältegerätes, am Kältegerät angebracht ist. Auf Grund der starken Unterschiede der in den verschiedenen Märkten verfügbaren Hilfsmittel ist es vorteilhaft, dass der Austausch des Lüfters ohne Spezialwerkzeug möglich ist.As part of the globalization of the markets, refrigeration appliances are increasingly being transported over long distances, sometimes with severe shocks. It is therefore desirable that the fan is captive, even with shocks of the refrigerator, mounted on the refrigerator. Due to the large differences in the tools available in the various markets, it is advantageous that the replacement of the fan without special tools is possible.

DE 202005014370 U1 offenbart ein Kältegerät gemäß dem Oberbegriff des Anspruchs 1. DE 202005014370 U1 discloses a refrigerator according to the preamble of claim 1.

Es ist daher Aufgabe der vorliegenden Erfindung ein Kältegerät zur Verfügung zu stellen, bei dem ein Lüfter am Kältegerät, insbesondere am Verdampfer, technisch einfach, sicher bei Erschütterungen, kostengünstig und schwingungsentkoppelt anbringbar und einfach lösbar ist.It is therefore an object of the present invention to provide a refrigeration device, in which a fan on the refrigeration device, in particular on the evaporator, technically simple, safe in shock, inexpensive and vibration decoupled attachable and easily solvable.

Diese Aufgabe wird durch ein Kältegerät gemäß dem unabhängigen Anspruch 1 und ein Montageverfahren gemäß dem unabhängigen Anspruch 15 gelöst. Weitere vorteilhafte Ausgestaltungen sind in den Unteransprüchen angegeben.This object is achieved by a refrigerator according to independent claim 1 and a mounting method according to independent claim 15. Further advantageous embodiments are specified in the subclaims.

Gemäß einem Aspekt betrifft die Erfindung ein Kältegerät mit einem Verdampfer sowie mit einem Lüfter und einem Lüftergehäuse zur Erzeugung einer Luftströmung am Verdampfer und mit einer Lagerschale zur schwingungsentkoppelten Halterung des Lüftergehäuses an dem Verdampfer wobei das Lüftergehäuse zumindest einen ersten Lagerzapfen und einen zweiten Lagerzapfen aufweist, dass die Lagerschale zumindest eine erste Aufnahmeausnehmung zur schwenkgelagerten Aufnahme des ersten Lagerzapfens und eine zweite Aufnahmeausnehmung zur Aufnahme des zweiten Lagerzapfens aufweist, und dass ein schwenkbares Arretierungselement zur Arretierung des zweiten Lagerzapfens in der zweiten Aufnahmeausnehmung vorgesehen ist.According to one aspect, the invention relates to a refrigeration device with an evaporator and with a fan and a fan housing for generating an air flow to the evaporator and with a bearing shell for vibration-decoupled mounting of the fan housing the evaporator wherein the fan housing has at least one first journal and a second journal, that the bearing shell has at least a first receiving recess for pivotally receiving the first journal and a second receiving recess for receiving the second journal, and in that a pivotable locking element for locking the second journal in the second receiving recess is provided.

Der Lüfter weist beispielsweise einen Außenläufer-Lüftermotor auf. Ein Außenläufer ist dabei eine Bauform von Elektromotoren, bei der sich der ruhende Teil (Stator) des Motors im Innern befindet und vom bewegten Teil (Rotor, "Läufer") umschlossen ist. Diese können beispielsweise Asynchronmotoren mit Kurzschlussläufer sein. Bei als Außenläufer ausgeführten elektronisch kommutierten Gleichstrommotoren besteht der Läufer beispielsweise aus mehreren abwechselnd radial ausgerichteten ringförmig angeordneten Dauermagneten oder einem entsprechend vielpolig magnetisierten Ring.The fan has, for example, an external rotor fan motor. An external rotor is a design of electric motors in which the stationary part (stator) of the motor is located inside and is enclosed by the moving part (rotor, "rotor"). These can be, for example, asynchronous motors with squirrel-cage rotors. When executed as an external rotor electronically commutated DC motors, the rotor consists for example of several alternately radially aligned annularly arranged permanent magnet or a corresponding multi-pole magnetized ring.

Ein Kältekreislauf des Kältegerätes umfasst beispielsweise einen Verdichter zum Verdichten von Kältemitteldampf, einen dem Verdichter nachgeschalteten Verflüssiger zum Kondensieren des Kältemitteldampfes und den dem Verflüssiger nachgeschalteten und dem Verdichter vorgeschalteten Verdampfer zum Verdampfen des verflüssigten Kältemittels. Der Verflüssiger ist wie der Verdampfer zur Wärmeübertragung zwischen zugeführter Luft und dem Fluid des Kältekreislaufs eingerichtet.A refrigeration cycle of the refrigeration device comprises, for example, a compressor for compressing refrigerant vapor, a condenser connected downstream of the compressor for condensing the refrigerant vapor and the evaporator connected downstream of the condenser and for the evaporation of the liquefied refrigerant. The condenser is like the evaporator for heat transfer between supplied air and the fluid of the refrigeration circuit established.

Unter Kältegerät wird insbesondere ein Haushaltskältegerät verstanden, also ein Kältegerät, das zur Haushaltsführung in Haushalten oder im Gastronomiebereich eingesetzt wird, und insbesondere dazu dient, Lebensmittel und/oder Getränke bei bestimmten Temperaturen zu lagern, wie beispielsweise ein Kühlschrank, ein Gefrierschrank, eine Kühlgerätekombination, eine Gefriertruhe oder ein Weinkühlschrank.Under refrigeration device is in particular a household refrigeration appliance understood, ie a refrigerator, which is used for household management in the household or catering trade, and in particular serves to store food and / or drinks at certain temperatures, such as a refrigerator, a freezer, a refrigerator combination, a freezer or a wine fridge.

Gemäß einer Ausführungsform sind der erste Lagerzapfen und der zweite Lagerzapfen jeweils mit ringförmigen Dämpfungselementen, insbesondere ringförmigen Gummihülsen, zur Schwingungsentkopplung versehen. Dadurch kann eine Schwingungsentkopplung erreicht werden, insbesondere wenn der Lüfter mittels der Lagerschale am Verdampfer angebracht wird. Die Schwingungen des Gehäuses des Lüfters werden nicht oder lediglich in geringerem Maße auf den Verdampfer übertragen. Das jeweilige Dämpfungselement kann elastisch, beispielsweise aus Gummi hergestellt sein. Das jeweilige Dämpfungselement ermöglicht eine Lagerung vom Lüftergehäuse am Verdampfer wobei gleichzeitig eine Übertragung von Schwingungen vom Gehäuse auf den Verdampfer verhindert bzw. reduziert wird. Dadurch werden Geräuschemissionen, die durch das Abstrahlen von Schallwellen, die aus vom Gehäuse des Lüfters übertragenen Schwingungen resultieren, vom Verdampfer an die Umgebung vermieden. Die Schallemissionen des Kältegerätes werden dadurch verbessert.According to one embodiment, the first bearing journal and the second bearing journal are each provided with annular damping elements, in particular annular rubber sleeves, for vibration decoupling. As a result, a vibration decoupling can be achieved, in particular if the fan is attached to the evaporator by means of the bearing shell. The vibrations of the housing of the fan are not or only to a lesser extent transferred to the evaporator. The respective damping element may be elastic, for example made of rubber. The respective damping element allows storage of the fan housing on the evaporator while preventing or reducing transmission of vibrations from the housing to the evaporator. As a result, noise emissions resulting from the radiation of sound waves resulting from vibrations transmitted from the housing of the fan from the evaporator to the environment are avoided. The noise emissions of the refrigerator are thereby improved.

Gemäß einer Ausführungsform ist der erste Lagerzapfen in die erste Aufnahmeausnehmung einführbar und bildet eine Schwenkachse für eine Schwenklagerung des Lüftergehäuses bezüglich der Lagerschale. Zur Schwenklagerung kann ein dritter Lagerzapfen vorgesehen sein, welcher auf derselben Höhe wie der erste Lagerzapfen, also entlang der Schwenkachse, angeordnet sein kann. Das Lüftergehäuse ist somit an dem ersten Lagerzapfen schwenkbar angeordnet.According to one embodiment, the first bearing pin is insertable into the first receiving recess and forms a pivot axis for a pivot bearing of the fan housing with respect to the bearing shell. For pivotal mounting, a third bearing journal can be provided, which can be arranged at the same height as the first bearing journal, ie along the pivot axis. The fan housing is thus arranged pivotably on the first bearing journal.

Gemäß einer Ausführungsform ist der zweite Lagerzapfen in die zweite Aufnahmeausnehmung einschwenkbar. Dies kann beispielsweise durch eine Schwenkung des Lüftergehäuses an der vorgenannten Schwenkachse realisiert werden.According to one embodiment, the second bearing journal can be pivoted into the second receiving recess. This can be realized for example by a pivoting of the fan housing on the aforementioned pivot axis.

Gemäß einer Ausführungsform ist die erste Aufnahmeausnehmung durch ein randseitig geöffnetes Langloch, in das der erste Lagerzapfen einsetzbar ist, gebildet. Dadurch wird eine sichere Halterung des ersten Lagerzapfens erreicht.According to one embodiment, the first receiving recess is formed by a slot which is open at the edge and into which the first bearing journal can be inserted. As a result, a secure mounting of the first journal is achieved.

Gemäß einer Ausführungsform weist das Lüftergehäuse einen dritten Lagerzapfen und vierten Lagerzapfen auf, wobei die Lagerschale zumindest eine dritte Aufnahmeausnehmung zur schwenkgelagerten Aufnahme des dritten Lagerzapfens und eine vierte Aufnahmeausnehmung zur Aufnahme des vierten Lagerzapfens aufweist, wobei der erste Lagerzapfen und der dritte Lagerzapfen seitlich und einander gegenüberliegend am Lüftergehäuse angeordnet sind, wobei der zweite Lagerzapfen und der vierte Lagerzapfen seitlich einander gegenüberliegend am Lüftergehäuse angeordnet sind, und dass das Arretierungselement zur Arretierung des vierten Lagerzapfens in der vierten Aufnahmeausnehmung vorgesehen ist. Der erste und der dritte Lagerbolzen können unterhalb oder oberhalb des zweiten und des dritten Lagerbolzens angeordnet sein.According to one embodiment, the fan housing has a third bearing journal and fourth journal, wherein the bearing shell has at least one third receiving recess for pivotally receiving the third journal and a fourth receiving recess for receiving the fourth journal, wherein the first journal and the third journal laterally and opposite each other are arranged on the fan housing, wherein the second bearing journal and the fourth journal are arranged laterally opposite one another on the fan housing, and that the locking element is provided for locking the fourth journal in the fourth receiving recess. The first and the third bearing pin may be arranged below or above the second and the third bearing pin.

Gemäß einer Ausführungsform sind die Lagerzapfen seitlich am Lüftergehäuse angebracht, wobei die erste, zweite, dritte und vierte Aufnahmeausnehmung seitlich in der Lagerschale, insbesondere in seitlichen Wandungen der Lagerschale, gebildet ist.According to one embodiment, the bearing pins are mounted laterally on the fan housing, wherein the first, second, third and fourth receiving recess is formed laterally in the bearing shell, in particular in lateral walls of the bearing shell.

Gemäß einer Ausführungsform ist an der Lagerschale zumindest eine Arretierungsaufnahme, insbesondere Arretierungsbolzen, für die Arretierung des Arretierungselementes vorgesehen.According to one embodiment, at least one arresting receptacle, in particular locking bolt, is provided for the locking of the locking element on the bearing shell.

Gemäß einer Ausführungsform weist das Arretierungselement zumindest einen Arretierungshaken auf, welcher ausgebildet ist, der Arretierungsaufnahme, insbesondere Arretierungsbolzen, schwenkbar zu hintergreifen. Das Arretierungselement kann einen weiteren Arretierungshaken aufweisen, welcher dem Arretierungshaken gegenüber angeordnet ist und eine weitere Aufnahme hintergreift. Dadurch kann das Arretierungselement beidseitig des Lüftergehäuses arretiert werden.According to one embodiment, the locking element has at least one locking hook, which is designed to pivotally engage behind the locking receptacle, in particular locking bolt. The locking element may have a further locking hook, which is arranged opposite the locking hook and engages behind a further receptacle. As a result, the locking element can be locked on both sides of the fan housing.

Gemäß einer Ausführungsform umfasst das Arretierungselement einen am Lüftergehäuse schwenkgelagert angebrachten Befestigungsbügel, wobei der jeweilige Arretierungshaken an dem Befestigungsbügel angebracht ist. Somit kann die Arretierung besonders einfach realisiert werden.According to one embodiment, the locking element comprises a mounting bracket pivotally mounted on the fan housing, wherein the respective locking hook is attached to the mounting bracket. Thus, the lock can be particularly easily realized.

Gemäß einer Ausführungsform ist der zweite Lagerzapfen und/oder der vierte Lagerzapfen bei einer Drehbewegung des Befestigungsbügels um eine Lagerachse des Befestigungsbügels arretierbar. Hierbei können die vorgenannten Arretierungshaken die Arretierungsaufhahmen hintergreifen.According to one embodiment, the second bearing pin and / or the fourth bearing pin can be locked during a rotational movement of the mounting bracket about a bearing axis of the mounting bracket. Here, the aforementioned locking hooks can engage behind the Arretierungsaufhahmen.

Gemäß einer Ausführungsform ist der Befestigungsbügel mit der Lagerschale mittels einer Rastverbindung, insbesondere mittels eines Rasthakens, lösbar verbindbar.According to one embodiment, the mounting bracket with the bearing shell by means of a latching connection, in particular by means of a latching hook, releasably connectable.

Gemäß einer Ausführungsform ist der Befestigungsbügel beiderseits der Lagerschale, insbesondere mittels der Lagerzapfen, schwenkgelagert und umgreift in einer Arretierungsstellung, bei der der jeweilige Lagerzapfen in der jeweiligen zweiten Aufnahme arretiert ist, die Lagerschale zumindest teilweise. Dadurch kann der Befestigungsbügel an der Lagerschale gelagert sein und das Lüftergehäuse zusätzlich halten.According to one embodiment, the mounting bracket on both sides of the bearing shell, in particular by means of the bearing pin, pivotally mounted and engages in a locking position in which the respective bearing pin is locked in the respective second receptacle, the bearing shell at least partially. This allows the mounting bracket to be mounted on the bearing shell and hold the fan housing in addition.

Gemäß einer Ausführungsform ist die Lagerschale am Verdampfer angebracht oder durch eine Verdampferwanne gebildet.According to one embodiment, the bearing shell is attached to the evaporator or formed by an evaporator pan.

Gemäß einem weiteren Aspekt betrifft die Erfindung ein Montageverfahren zur Montage eines Lüfters mit einem Luftergehäuse in einem Kältegerät mittels einer Lagerschale zur schwingungsentkoppelten Halterung des Lüftergehäuses, wobei das Lüftergehäuse zumindest einen ersten Lagerzapfen und zumindest einen zweiten Lagerzapfen aufweist, wobei die Lagerschale eine erste Aufnahmeausnehmung zur schwenkgelagerten Aufnahme des ersten Lagerzapfens und eine zweite Aufnahmeausnehmung zur Aufnahme des zweiten Lagerzapfens aufweist, und wobei ein schwenkbares Arretierungselement zur Arretierung des zweiten Lagerzapfens in der zweiten Aufnahmeausnehmung vorgesehen ist. Das Verfahren umfasst das Einführen des ersten Lagerzapfens des Luftergehäuses in die erste Aufnahmeausnehmung der Lagerschale, das Einschwenken des zweiten Lagerzapfens in die zweite Aufnahmeausnehmung der Lagerschale durch Verschwenken des Luftergehäuses um eine durch den ersten Lagerzapfen definierte Schwenkachse zur Lagerschale hin, und das Arretieren des zweiten Lagerzapfens in der zweiten Aufnahmeausnehmung durch das Arretierungselement. Die Lagerzapfen des Lüftergehäuses sind in vertikaler und horizontaler Richtung fixiert. Über eine Drehbewegung um die erste Lagerachse werden die Lagerzapfen des Lüftergehäuses bei der Montage in die zweiten Lagerschalen der Lagerschale geschwenkt, wodurch das Lüftergehäuse horizontal gegen die Lagerschale positioniert ist. Durch die Dämpfungselemente wird eine direkte Berührung der Lagerzapfen von Lüftergehäuse und Lagerschale vermieden.According to a further aspect, the invention relates to a mounting method for mounting a fan with a Luftergehäuse in a refrigerator by means of a bearing shell for vibration-decoupled mounting of the fan housing, wherein the fan housing has at least a first bearing pin and at least one second bearing journal, wherein the bearing shell a first receiving recess for pivotally mounted Receiving the first journal and a second receiving recess for receiving the second journal, and wherein a pivotable locking element is provided for locking the second journal in the second receiving recess. The method comprises inserting the first bearing journal of the air housing into the first receiving recess of the bearing shell, pivoting the second bearing journal into the second receiving recess of the bearing shell by pivoting the air housing about a pivot axis defined by the first bearing journal towards the bearing shell, and locking the second bearing journal in the second receiving recess by the locking element. The bearing journals of the fan housing are fixed in the vertical and horizontal directions. About a rotational movement about the first bearing axis, the bearing journals of the fan housing are pivoted during assembly in the second bearing shells of the bearing shell, whereby the fan housing is positioned horizontally against the bearing shell. By the damping elements direct contact of the bearing pin of the fan housing and bearing shell is avoided.

Weitere Schritte des Montageverfahrens ergeben sich unmittelbar aus dem Zusammenwirken des Lüftergehäuses mit der Lagerschale gemäß der Erfindung.Further steps of the assembly process arise directly from the interaction of the fan housing with the bearing shell according to the invention.

Weitere vorteilhafte Ausgestaltungen und Aspekte der Erfindung sind Gegenstand der Unteransprüche sowie der im Folgenden beschriebenen Ausführungsbeispiele der Erfindung. Im Weiteren wird die Erfindung anhand von bevorzugten Ausführungsformen unter Bezugnahme auf die beigelegten Figuren näher erläutert.Further advantageous embodiments and aspects of the invention are the subject of the dependent claims and the embodiments of the invention described below. Furthermore, the invention will be explained in more detail by means of preferred embodiments with reference to the attached figures.

Es zeigt dabei:

Figur 1:
eine schematische Darstellung eines Lüfters eines Kältegerätes bei geschlossenem Befestigungsbügel gemäß einem ersten Ausführungsbeispiel in der Rückansicht;
Figur 2:
eine schematische Darstellung des Lüfters bei geöffnetem Befestigungsbügel gemäß dem ersten Ausführungsbeispiel in der Seitenansicht;
Figur 3:
eine schematische Darstellung einer Lagerschale eines Verdampfers des Kältegerätes gemäß dem ersten Ausführungsbeispiel;
Figur 4:
eine schematische Darstellung des Verdampfers mit daran angebrachtem Lüfter bei geöffnetem Befestigungsbügel gemäß dem ersten Ausführungsbeispiel in der Seitenansicht;
Figur 5:
eine schematische Darstellung des Verdampfers mit daran angebrachtem Lüfter bei geschlossenem Befestigungsbügel gemäß dem ersten Ausführungsbeispiel in der Seitenansicht; und
Figur 6:
eine schematische Darstellung von einem am Befestigungsbügel vorgesehenen Rasthaken.
It shows:
FIG. 1:
a schematic representation of a fan of a refrigerator with a closed mounting bracket according to a first embodiment in the rear view;
FIG. 2:
a schematic representation of the fan with the mounting bracket according to the first embodiment in the side view;
FIG. 3:
a schematic representation of a bearing shell of an evaporator of the refrigerator according to the first embodiment;
FIG. 4:
a schematic representation of the evaporator with attached fan with the mounting bracket according to the first embodiment in the side view;
FIG. 5:
a schematic representation of the evaporator with attached fan with closed mounting bracket according to the first embodiment in side view; and
FIG. 6:
a schematic representation of a locking hook provided on the mounting bracket.

Figur 1 zeigt eine schematische Darstellung eines Lüfters 5 eines Kältegerätes 1 mit einem Lüftergehäuse 11. An dem Lüftergehäuse 11 sind seitlich Lagerzapfen zum Befestigen des Lüftergehäuses 11 in Ausnehmungen einer Lagerschale 4 angebracht. Ein erster Lagerzapfen 13 und ein zweiter Lagerzapfen 14 sind am Lüftergehäuse 11 einander gegenüberliegend angeordnet. Oberhalb des ersten und zweiten Lagerzapfens 13, 14 sind ein dritter Lagerzapfen 21 und ein vierter Lagerzapfen 22 sind am Lüftergehäuse 11 einander gegenüberliegend angeordnet. Die Lagerzapfen 13, 14, 21, 22 sind vorgesehen, um eine Anbringung des Lüfters 5 in der Lagerschale 4, welche an einem Verdampfer (in Fig. 1 nicht dargestellt) befestigt werden kann, zu ermöglichen. An den Lagerzapfen 13, 14, 21, 22 sind Dämpfungselemente 17 angebracht, um den Lüfter 5 von der Lagerschale 4 und somit von dem Verdampfer schwingungstechnisch zu entkoppeln. Die Dämpfungselemente 17 sind bei diesem Ausführungsbeispiel ringförmig gestaltet und auf die Lagerzapfen 13, 14, 21, 22 aufgesteckt. Dadurch beabstanden und dämpfen sie sowohl in axialer als auch in radialer Richtung die Lagerzapfen 13, 14, 21, 22. FIG. 1 shows a schematic representation of a fan 5 of a refrigerator 1 with a fan housing 11. On the fan housing 11 bearing journals for attaching the fan housing 11 are mounted in recesses of a bearing shell 4 side. A first bearing journal 13 and a second bearing journal 14 are arranged on the fan housing 11 opposite one another. Above the first and second bearing pins 13, 14, a third bearing pin 21 and a fourth bearing pin 22 are arranged on the fan housing 11 opposite one another. The journals 13, 14, 21, 22 are provided to attach the fan 5 in the bearing shell 4, which on an evaporator (in Fig. 1 not shown) can be attached. At the bearing pins 13, 14, 21, 22 damping elements 17 are mounted to decouple the fan 5 of the bearing shell 4 and thus of the evaporator vibration technology. The damping elements 17 are designed annular in this embodiment and attached to the bearing pins 13, 14, 21, 22. As a result, they space and damp the bearing journals 13, 14, 21, 22 both in the axial and in the radial direction.

Zur Arretierung des zweiten und des vierten Lagerzapfens 21, 22 ist ein Arretierungselement 30 vorgesehen, das einen Befestigungsbügel 31 mit Arretierungshaken 33 umfasst. Der Befestigungsbügel 31 ist in Fig. 1 in der Vorderansicht dargestellt. Der Befestigungsbügel 31 verläuft in etwa halbkreisförmig entlang der Lagerschale 4. Am Befestigungsbügel 31 sind zur Arretierung des Befestigungsbügels 31 Rasthaken 35 vorgesehen. An den Enden des Befestigungsbügels 31 sind Arretierungshaken 33 vorgesehen, welche zur Arretierung des zweiten und des vierten Lagerzapfens 21, 22 entsprechende Arretierungsaufnahmen, beispielsweise Arretierungsbolzen, hintergreifen.To lock the second and the fourth bearing pin 21, 22, a locking element 30 is provided which comprises a mounting bracket 31 with locking hook 33. The mounting bracket 31 is in Fig. 1 shown in front view. The mounting bracket 31 extends in approximately semicircular along the bearing shell 4. On mounting bracket 31 31 locking hooks 35 are provided for locking the mounting bracket. Arretierungshaken 33 are provided at the ends of the mounting bracket 31, which engage behind the locking of the second and the fourth bearing pin 21, 22 corresponding locking receptacles, for example, locking pin.

Die Lagerzapfen 13, 14, 21, 22 des Lüftergehäuses 11 stellen eine lagegenaue Positionierung des Lüfterrades des Lüfters 5 in axialer und radialer Richtung zu einer an der Lagerschale 4 befindlichen Einlassdüse sicher. Die Schwingungsentkopplung ist am Lüftergehäuse 11 damit durch zwei Lagerachsen, mit jeweils gegenüberliegenden Lagerzapfen 13, 14 bzw. 21, 22 gekennzeichnet. Auf die Lagerzapfen 13, 14, 21, 22 ist beispielsweise jeweils ein beispielsweise ringförmiges Dämpfungselement 17 aufgesteckt. Das Dämpfungselement 17 ist beispielsweise aus Gummi hergestellt. Es erstreckt sich beispielsweise so radial um den jeweiligen Lagerzapfen, dass auch ein radialer Kontakt zwischen Lagerzapfen 13, 14, 21, 22 und Verdampfer vermieden wird. Eine Übertragung von Schwingungen vom Lüfter 5 zum Verdampfer über die Lagerzapfen 13, 14, 21, 22 wird dadurch vermieden.The bearing journals 13, 14, 21, 22 of the fan housing 11 ensure positionally accurate positioning of the fan wheel of the fan 5 in the axial and radial directions to an inlet nozzle located on the bearing shell 4. The vibration decoupling is characterized on the fan housing 11 so by two bearing axes, each with opposite bearing pins 13, 14 and 21, 22. On the bearing journals 13, 14, 21, 22, for example, in each case an example, annular damping element 17 is attached. The damping element 17 is made of rubber, for example. It extends, for example, so radially around the respective bearing journal, that even a radial contact between bearing pin 13, 14, 21, 22 and evaporator is avoided. A transmission of vibrations from the fan 5 to the evaporator via the bearing journals 13, 14, 21, 22 is thereby avoided.

Zur Montage des Lüftergehäuses 11 werden der erste und der dritte Lagerzapfen 13 und 14 des Lüftergehäuses 11 jeweils in entsprechende Aufnahmeausnehmung der Lagerschale, welche als Langlöcher gebildet sein können, eingeführt. Danach werden der zweite und der vierte Lagerzapfen 21, 22 in entsprechende Aufnahmeausnehmungen der Lagerschale 4 durch Verschwenken des Lüftergehäuses 11 um eine durch den ersten Lagerzapfen 13 definierte Schwenkachse zur Lagerschale 4 hin eingeführt. Danach werden der zweite und der vierte Lagerzapfen 21, 22 in den entsprechenden Aufnahmeausnehmungen durch das Arretierungselement 30 arretiert. Hierbei hintergreifen die Arretierungshaken 33 entsprechende Arretierungsaufnahmen, welche als Arretierungsbolzen ausgebildet sein können.For mounting the fan housing 11, the first and the third bearing journals 13 and 14 of the fan housing 11 are each inserted into corresponding receiving recess of the bearing shell, which may be formed as elongated holes. Thereafter, the second and the fourth bearing pin 21, 22 inserted into corresponding receiving recesses of the bearing shell 4 by pivoting the fan housing 11 about a defined by the first bearing pin 13 pivot axis to the bearing shell 4 out. Thereafter, the second and the fourth bearing pin 21, 22 are locked in the corresponding receiving recesses by the locking element 30. In this case, the locking hooks 33 engage behind corresponding locking receptacles, which can be designed as locking pins.

Figur 2 zeigt eine schematische Darstellung des Lüfters 5 bei geöffnetem Befestigungsbügel 31 in Seitenansicht. Der Befestigungsbügel 31 ist wie dargestellt vom Lüfter 5 wegeschwenkt. Das Schwenken erfolgt dabei bei diesem Ausführungsbeispiel um die Schwenkachse des ersten Lagerzapfens 13. In der Ansicht von Figur 1 wird der Befestigungsbügel 31 dabei in die Bildebene hinein bzw. heraus geschwenkt. In Figur 2 ist an der linken Seite des Lüfters 5 eine Dichtung 37 zu erkennen, die zum Abdichten des Lüfters 5 mit einem Verdampfer dient. Arretierungshaken 33 sind seitlich am Befestigungsbügel 31 vorgesehen und dienen dazu, beim Schwenken des Befestigungsbügels 31 in Eingriff mit der Lagerschale 4 gebracht zu werden, um den Lüfter 5 zu befestigen. FIG. 2 shows a schematic representation of the fan 5 with the mounting bracket 31 open in side view. The mounting bracket 31 is pivoted away from the fan 5 as shown. The pivoting takes place in this embodiment to the Pivot axis of the first trunnion 13. In the view of FIG. 1 the mounting bracket 31 is thereby pivoted in or out of the image plane. In FIG. 2 is on the left side of the fan 5, a seal 37 can be seen, which serves to seal the fan 5 with an evaporator. Arretierungshaken 33 are provided laterally on the mounting bracket 31 and serve to be brought when pivoting the mounting bracket 31 into engagement with the bearing shell 4 to secure the fan 5.

Gemäß einer Ausführungsform kann ein Federelement vorgesehen sein, dass den Befestigungsbügel 31 in seiner Schwenklage elastisch zum Verdampfer ausrichtet. Dadurch kann eine definierte Halterung des Lüftergehäuses 11 durch den Befestigungsbügel 31 erzielt werden. Der Befestigungsbügel 31 weist beispielsweise wenigstens einen Arretierungshaken 33 zum Verriegeln an einer dafür am Verdampfer vorgesehenen Arrentierungsaufnahme auf. Die Arrentierungsaufnahme kann als Arretierungsbolzen ausgebildet sein, der von dem Arretierungshaken 33 hintergreifbar sind. Bevorzugt ist der Arretierungshaken 33 so am Befestigungsbügel 31 ausgebildet, dass der Arretierungshaken 33 mit dem Befestigungsbügel 31 eine Einheit bildet.According to one embodiment, a spring element may be provided that aligns the mounting bracket 31 in its pivotal position elastically to the evaporator. Thereby, a defined mounting of the fan housing 11 can be achieved by the mounting bracket 31. The mounting bracket 31 has, for example, at least one locking hook 33 for locking on a device provided on the evaporator Arrentierungsaufnahme. The arresting receptacle can be designed as a locking pin, which can be engaged behind by the locking hook 33. Preferably, the locking hook 33 is formed on the mounting bracket 31 so that the locking hook 33 forms a unit with the mounting bracket 31.

Das Arretierungselement 30 ist an den Lagerzapfen 21, 22 des Lüftergehäuses 11 bevorzugt drehbar gelagert. Das Arretierungselement 30 wird beispielsweise an seinen seitlichen Enden mit jeweils einem Arretierungshaken 33 ausgeführt. Durch eine Drehbewegung des Arretierungselementes 30 um dessen Lagerachse werden die seitlichen Arretierungshaken 33 in die dafür vorgesehenen Arretierungsbolzen der Lagerschale 4 eingehängt und können sich dort abstützen. Dies erhöht die Stabilität der Verbindung des Lüftergehäuses 11 mit der Lagerschale 4.The locking element 30 is preferably rotatably mounted on the bearing journal 21, 22 of the fan housing 11. The locking element 30 is executed, for example, at its lateral ends, each with a locking hook 33. By a rotational movement of the locking element 30 about its bearing axis, the lateral locking hooks 33 are hooked into the designated locking bolts of the bearing shell 4 and can be supported there. This increases the stability of the connection of the fan housing 11 with the bearing shell 4.

Gemäß einer weiteren Ausführungsform ist am Arretierungselement 30 für eine Rastverbindung mit der Lagerschale 4 oder mit dem Verdampfer mindestens ein Rasthaken 35 angeordnet. Der Rasthaken 35 ist beispielsweise durch ein manuelles Auslenken aus der Verrastung lösbar.According to a further embodiment, at least one latching hook 35 is arranged on the locking element 30 for a latching connection with the bearing shell 4 or with the evaporator. The latching hook 35 is detachable, for example, by a manual deflection of the latching.

Zur Fixierung des Arretierungselementes 30 wird der am Arretierungselement 30 befindliche Rasthaken 35 in einer dafür vorgesehenen Aufnahme mit der Lagerschale 4 beispielsweise "hörbar" verrastet. Durch das hörbare Verrasten kann sichergestellt werden, dass der Bediener den Verrastungsvorgang besonders gut wahrnehmen kann. Die Geometrie des Rasthakens 35 ist beispielsweise so gewählt, dass beim Zusammendrücken von zwei einander gegenüber angeordneten Rasthaken 35 die Rastverbindung wieder lösbar ist, jedoch bei Belastung der geschlossenen Rastverbindung auf Zug die Rasthaken 35 noch weiter aufspreizen, um die Verrastung sicherzustellen.In order to fix the locking element 30, the locking hook 35 located on the locking element 30 is latched "audibly" in a receptacle provided with the bearing shell 4, for example. The audible locking ensures that the operator can perceive the latching process particularly well. The geometry of the Latching hook 35 is, for example, chosen so that upon compression of two oppositely arranged latching hooks 35, the latching connection is releasable again, but on loading the closed latching connection on train the latching hooks 35 further spread to ensure the latching.

Gemäß einer Ausführungsform ist eine elastische Dichtung zwischen dem Lüftergehäuse 11 und der Lagerschale 4 vorgesehen. Die Dichtung ist beispielsweise verliersicher am Lüftergehäuse 11 angebracht, während sie lediglich dichtend an der Lagerschale 4 zum Anliegen kommt.According to one embodiment, an elastic seal between the fan housing 11 and the bearing shell 4 is provided. The seal is for example captively attached to the fan housing 11, while it only comes to rest sealingly on the bearing shell 4.

Zur spaltfreien Anlage des Lüftergehäuses 11 an der Lagerschale 4 kann beispielsweise am vorderen umlaufenden Rand des Lüftergehäuses eine eingeknüpfte Dichtung vorgesehen sein, deren Geometrie so gewählt ist, dass der stabile Dichtungsfuß die verliersichere Befestigung am Lüftergehäuse sicherstellt, während die Dichtlippe flexibel und nahezu ohne Krafteinwirkung an der Lagerschale anliegt. Dadurch werden Fehlluft und somit Effizienzverlust durch Spalte und Körperschall durch teil- und zeitweise Anlage des Lüftergehäuses an der Lagerschale reduziert.For gap-free installation of the fan housing 11 on the bearing shell 4, a knotted seal may be provided, for example, at the front circumferential edge of the fan housing, the geometry is chosen so that the stable seal base secures the captive attachment to the fan housing, while the sealing lip flexible and almost no force the bearing shell rests. As a result, incorrect air and thus efficiency loss due to gaps and structure-borne noise are reduced by partial and temporary contact of the fan housing with the bearing shell.

Figur 3 zeigt eine seitliche Ansicht einer Lagerschale 4, welche als Verdampferwanne eines Verdampfers 3 gebildet sein kann. Die Lagerschale 4 weist eine erste Aufnahmeausnehmung 15 und eine zweite Aufnahmeausnehmung 23 auf. Die Aufnahmeausnehmungen 15, 23 sind vorgesehen, die Lagerzapfen 13, 21 aufzunehmen. Für eine Befestigung am Lüfter 5 kommen die Lagerzapfen 13, 21 des Lüfters 5 in den Ausnehmungen 15, 23 zum Anliegen, so dass sie dort halt finden. FIG. 3 shows a side view of a bearing shell 4, which may be formed as an evaporator trough of an evaporator 3. The bearing shell 4 has a first receiving recess 15 and a second receiving recess 23. The receiving recesses 15, 23 are provided to receive the bearing journals 13, 21. For mounting on the fan 5, the bearing pins 13, 21 of the fan 5 in the recesses 15, 23 come to rest, so that they find stop there.

Figur 4 zeigt eine schematische Darstellung des Verdampfers 3 mit daran angebrachtem Lüfter 5 bei geöffnetem Befestigungsbügel 31 in Seitenansicht. Dargestellt ist die Anordnung, bei der lediglich der erste Lagerzapfen 13 des Lüfters 5 in die entsprechende erste Aufnahmeausnehmung 15 der Lagerschale 4 eingreift. Der zweite Lagerzapfen 21 ist dabei noch beabstandet zu der ihm zugeordneten zweiten Ausnehmung 23 angeordnet. Die erste Aufnahmeausnehmung 15 ist in der Form eines Langlochs gebildet, so dass der eingefügte erste Lagerzapfen 13 sich gegen die Lagerschale 4 abstützen kann und den Lüfter 5 unten am Verdampfer 3 festhält. Dabei bleibt der Lüfter 5 um die Schwenkachse des ersten Lagerzapfens 13 herum schwenkbar. FIG. 4 shows a schematic representation of the evaporator 3 with attached fan 5 with the mounting bracket 31 open in side view. Shown is the arrangement in which only the first bearing pin 13 of the fan 5 engages in the corresponding first receiving recess 15 of the bearing shell 4. The second bearing pin 21 is still spaced to the second recess 23 associated therewith. The first receiving recess 15 is formed in the shape of a slot, so that the inserted first bearing pin 13 can be supported against the bearing shell 4 and the fan 5 holds down the evaporator 3. In this case, the fan 5 remains pivotable about the pivot axis of the first journal 13.

Beim weiteren Zusammenfügeprozess vom Lüfter 5 und der Lagerschale 4 kommt durch schwenken des Lüfters 5 um die Schwenkachse des ersten Lagerzapfens 13 herum der zweite Lagerzapfen 21 in der zweiten Ausnehmung 23 zum Anliegen. Wie in Figur 1 dargestellt wurde, sind in Figur 3 immer jeweils zwei Ausnehmungen 15 bzw. 23 hintereinander bzw. übereinander angeordnet, die dann von den jeweiligen Lagerzapfen 13, 21 eingegriffen werden.In the further assembly process of the fan 5 and the bearing shell 4 comes by pivoting the fan 5 about the pivot axis of the first bearing pin 13 around the second bearing pin 21 in the second recess 23 for concern. As in FIG. 1 was presented in FIG. 3 always two recesses 15 and 23 arranged one behind the other or one above the other, which are then intervened by the respective bearing journals 13, 21.

Figur 5 zeigt eine schematische Darstellung des Verdampfers 3 mit daran angebrachtem Lüfter 5 bei geschlossenem Arretierungselement 30 in Seitenansicht. Dargestellt ist die Anordnung, bei der auch der zweite Lagerzapfen 21 des Lüfters 5 in die entsprechende zweite Aufnahmeausnehmung 23 des Lüfters 5 eingreift. Diese Anordnung entsteht durch weiteres Schwenken des Lüfters 5 um die Achse des ersten Lagerzapfens 13 auf die Lagerschale 4 bzw. den Verdampfer 3 zu. Der Befestigungsbügel 31 ist hierbei nun geschlossen, und übernimmt die Funktion, den Verdampfer 3 und den Lüfter 5 in Position zu halten. FIG. 5 shows a schematic representation of the evaporator 3 with attached fan 5 with closed locking element 30 in side view. Shown is the arrangement in which the second bearing pin 21 of the fan 5 engages in the corresponding second receiving recess 23 of the fan 5. This arrangement is created by further pivoting of the fan 5 about the axis of the first journal 13 on the bearing shell 4 and the evaporator 3 to. The mounting bracket 31 is in this case now closed, and takes over the function to keep the evaporator 3 and the fan 5 in position.

Am Befestigungsbügel 31 ist ferner ein Arretierungshaken 33 vorgesehen, der in einer an der Lagerschale 4 vorgesehenen Arretierungsaufhahme 34 hintergreifen kann. Bei diesem Ausführungsbeispiel ist die Arretierungsaufhahme 34 als Arretierungsbolzen ausgeführt, der von der Lagerschale 4 absteht. Beim Schwenken des Lüfters 5 um den ersten Lagerzapfen 13 herum kommt der Arretierungshaken 33 an dem Arretierungsbolzen zum Anliegen und hebelt den Lüfter 5 unten gegen den Verdampfer 3. Durch die Hebelübersetzung wird ein Anpresssen des Lüfters 5 an die Lagerschale 4 erreicht. Dadurch wird auch mittels der Dichtung 37 eine besonders gute Abdichtung zwischen Verdampfer 3 und Lüfter 5 bei geringen Betätigungskräften ermöglicht.On the mounting bracket 31, a locking hook 33 is also provided, which can engage behind in a provided on the bearing shell 4 Arretierungsaufhahme 34. In this embodiment, the Arretierungsaufhahme 34 is designed as a locking pin that protrudes from the bearing shell 4. When pivoting the fan 5 to the first pivot pin 13 around the Arretierungshaken 33 comes to rest on the locking pin and lever the fan 5 below against the evaporator 3. By the lever transmission, a pressing of the fan 5 is achieved at the bearing shell 4. As a result, by means of the seal 37, a particularly good seal between the evaporator 3 and the fan 5 is made possible at low actuating forces.

Figur 6 zeigt eine schematische Darstellung eines Befestigungsbügels 31 mit dem Rasthaken 35. Der Rasthaken 35 ist mit dem Verdampfer 3 bzw. mit der Lagerschale 4 verrastbar und vermeidet ein versehentliches Lösen des Befestigungsbügels 31. Zur Fixierung des Befestigungsbügels 31 in seiner Endlage wird der am Befestigungsbügel 31 befindliche Rasthaken 35 in einer dafür vorgesehenen Aufnahme der Lagerschale verrastet. FIG. 6 shows a schematic representation of a mounting bracket 31 with the locking hook 35. The latching hook 35 is latched to the evaporator 3 and the bearing shell 4 and avoids accidental release of the mounting bracket 31. To fix the mounting bracket 31 in its end position of the mounting bracket 31 is located Latch hook 35 locked in a designated receptacle of the bearing shell.

Gemäß einer Ausführungsform kombiniert die Lüfterlösung die Außenläufer-Motorentechnik mit einer integrierten Luftführung. Dieser Aufbau gewährleistet in Verbindung mit der spaltfreien Anlage an der Lagerschale 4 eine hohe, da verlustfreie Luftleistung. Ferner ist eine schwingungsentkoppelte und dadurch geräuschminimierte Anbindung des Lüfters 5 mit integrierter Luftführung gegeben. Der Lüfter 5 ist kompakt und dabei sicher und einfach zu montieren. Im Kundendienstfall ist ferner einfach demontierbar und sicher wieder montierbar.According to one embodiment, the fan solution combines the external rotor engine technology with an integrated air duct. This construction, in conjunction with the gap-free system on the bearing shell 4 ensures a high, lossless air performance. Further is a vibration-decoupled and therefore noise-minimized connection of the fan 5 with integrated air duct given. The fan 5 is compact and safe and easy to install. In customer service case is also easy to disassemble and safely reassembled.

Verwendete Bezugszeichen:

1
Kältegerät
3
Verdampfer
4
Lagerschale
5
Lüfter
11
Lüftergehäuse
13
erster Lagerzapfen
14
dritter Lagerzapfen
15
erste Ausnehmung
17
Dämpfungselement
21
zweiter Lagerzapfen
22
vierter Lagerzapfen
23
zweite Ausnehmung
30
Arretierungselement
31
Befestigungsbügel
33
Arretierungshaken
34
Aufnahme
35
Rasthaken
37
Dichtung
Used reference signs:
1
The refrigerator
3
Evaporator
4
bearing shell
5
Fan
11
fan housing
13
first journal
14
third journals
15
first recess
17
damping element
21
second journal
22
fourth bearing journal
23
second recess
30
locking
31
mounting bracket
33
locking hooks
34
admission
35
latch hook
37
poetry

Claims (15)

  1. Refrigerating device with an evaporator (3) together with a fan (5), with a fan housing (11), for generating an airflow on the evaporator (3) and with a bearing shell (4) for the purpose of holding the fan housing (11) onto the evaporator (3) with vibration isolation, wherein the fan housing (11) has at least one first bearing pin (13) and a second bearing pin (21), characterised in that the bearing shell (4) has at least one first seating recess (15) for the purpose of seating the first bearing pin (13) so that it can pivot and a second seating recess (23) for the purpose of seating the second bearing pin (21), and that a pivotable locking element (30) is provided for the purpose of locking the second bearing pin (21) in the second seating recess (23).
  2. Refrigerating device according to claim 1, characterised in that the first bearing pin (13) and the second bearing pin (21) are each provided with ring-shaped damping elements (17), in particular ring-shaped rubber bushes, for the purpose of isolating vibrations.
  3. Refrigerating device according to one of the preceding claims, characterised in that the first bearing pin (13) can be introduced into the first seating recess (15) and forms a pivot axis for a pivoting mounting of the fan housing (11) relative to the bearing shell (4).
  4. Refrigerating device according to one of the preceding claims, characterised in that the second bearing pin (21) can be pivoted into the second seating recess (23).
  5. Refrigerating device according to one of the preceding claims, characterised in that the first seating recess (15) is formed by an elongated slot which is open on its edge, into which the first bearing pin (13) can be inserted.
  6. Refrigerating device according to one of the preceding claims, characterised in that the fan housing (11) has a third bearing pin (14) and a fourth bearing pin (22), that the bearing shell (4) has at least one third seating recess for the purpose of seating the third bearing pin (14) so that it can pivot and a fourth seating recess for the purpose of seating the fourth bearing pin (22), that the first bearing pin (13) and the third bearing pin (14) are arranged on the sides of the fan housing (11) and opposite each other, that the second bearing pin (21) and the fourth bearing pin (22) are arranged on the sides of the fan housing (11) and opposite each other, and that the locking element (30) is provided for the purpose of locking the fourth bearing pin (22) in the fourth seating recess.
  7. Refrigerating device according to claim 6, characterised in that the bearing pins (13, 14, 21, 23) are attached on the sides of the fan housing (11), and that the seating recesses (15, 23) are formed in the sides of the bearing shell (4), in particular in sidewalls of the bearing shell (4).
  8. Refrigerating device according to one of the preceding claims, characterised in that at least one lock seat (34) is provided on the bearing shell (4) for the locking of the locking element (30).
  9. Refrigerating device according to claim 8, characterised in that the locking element has at least one locking hook (33), which is constructed to engage, by pivoting, behind the lock seat (34), in particular a lock bolt.
  10. Refrigerating device according to claim 8 or 9, characterised in that the locking element (30) incorporates a mounting bracket (31) which is attached to the fan housing (11) so that it can pivot, and that the locking hook (33) is attached to the mounting bracket (31).
  11. Refrigerating device according to one of the claims 8 to 10, characterised in that the second bearing pin (21) can be locked by a rotational movement of the mounting bracket (31) about a bearing axis of the mounting bracket (31).
  12. Refrigerating device (1) according to one of the claims 8 to 11, characterised in that the mounting bracket (31) can be connected to the bearing shell (4), by means of a latching connection, in particular by means of a latching hook, in such a way that it can be released.
  13. Refrigerating device (1) according to one of the claims 8 to 11, characterised in that the mounting bracket (31) is mounted on both sides of the bearing shell (4), in particular by means of the bearing pins (13, 14), so that it can pivot, and in a locking position, in which each of the bearing pins (13, 14) is locked into the corresponding second seat, it at least partially surrounds the bearing shell (4).
  14. Refrigerating device (1) according to one of the preceding claims, characterised in that the bearing shell (4) is attached onto the evaporator or that the bearing shell (4) is formed by an evaporator vessel.
  15. Assembly method for the assembly of a fan (5) with a fan housing (11) in a refrigerating device, using a bearing shell (4) to hold the fan housing (11) and effect vibration isolation, wherein the fan housing (11) has at least one first bearing pin (13) and at least one second bearing pin (21), wherein the bearing shell (4) has a first seating recess (15) for seating the first bearing pin (13) so that it can pivot and a second seating recess (23) for seating the second bearing pin (21), and wherein a pivotable locking element (30) is provided for locking the second bearing pin (21) into the second seating recess (23), characterised by:
    The introduction of the first bearing pin (13) of the fan housing (11) into the first seating recess (15) of the bearing shell (4);
    The pivoting of the second bearing pin (21) into the second seating recess (15) of the bearing shell (4) by pivoting the fan housing (11) about a pivot axis, defined by the first bearing pin (13), towards the bearing shell (4); and
    The locking of the second bearing pin (21) into the second seating recess (23) by the locking element (30).
EP13700741.5A 2012-02-09 2013-01-21 Refrigerator with a fan and a method for mounting the fan Active EP2812639B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012201883A DE102012201883A1 (en) 2012-02-09 2012-02-09 Refrigeration device with a fan
PCT/EP2013/051003 WO2013117412A1 (en) 2012-02-09 2013-01-21 Refrigerating device comprising a fan

Publications (2)

Publication Number Publication Date
EP2812639A1 EP2812639A1 (en) 2014-12-17
EP2812639B1 true EP2812639B1 (en) 2016-04-06

Family

ID=47594753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13700741.5A Active EP2812639B1 (en) 2012-02-09 2013-01-21 Refrigerator with a fan and a method for mounting the fan

Country Status (7)

Country Link
US (1) US9528742B2 (en)
EP (1) EP2812639B1 (en)
CN (1) CN104105932B (en)
DE (1) DE102012201883A1 (en)
PL (1) PL2812639T3 (en)
RU (1) RU2579361C1 (en)
WO (1) WO2013117412A1 (en)

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CN110906609B (en) * 2018-09-17 2021-12-21 重庆海尔制冷电器有限公司 Air-cooled refrigerator

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CN110906610B (en) * 2018-09-17 2022-01-21 重庆海尔制冷电器有限公司 Air-cooled refrigerator

Also Published As

Publication number Publication date
CN104105932A (en) 2014-10-15
US20150047386A1 (en) 2015-02-19
PL2812639T3 (en) 2016-09-30
EP2812639A1 (en) 2014-12-17
DE102012201883A1 (en) 2013-08-14
CN104105932B (en) 2016-08-31
WO2013117412A1 (en) 2013-08-15
US9528742B2 (en) 2016-12-27
RU2579361C1 (en) 2016-04-10

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