EP2743620A2 - Cooling device with a shelf - Google Patents

Abstract

The refrigerator (100) has a refrigerating compartment housing (116) that defines a refrigerating compartment interior (106). A shelf (108) is arranged in the inside of the compartment and is partially in contact with a holding element (110). The holding element has a connecting element that engages a recess of the refrigerating compartment housing. The recess is arranged in curved sections of the refrigerating compartment housing. An arc wall portion connects side wall of refrigerating compartment housing with bottom of refrigerating compartment housing.

Description

The invention relates to a refrigeration device with a refrigeration compartment housing, which limits a refrigeration compartment interior, wherein a shelf is arranged in the refrigerated compartment interior, and wherein the shelf is in sections in contact with a holding element, and wherein the holding element has at least one connecting element, and wherein the connecting element in at least a recess of the refrigeration compartment housing engages.

Refrigeration appliances, in particular designed as household appliances refrigerators are known and are used to housekeeping in households or in the catering sector to store perishable food and / or drinks at certain temperatures.

Such refrigerators may have a shelf, can be stored on the cooled food and / or drinks. For this purpose, it is known to collect a recess in the refrigeration compartment housing, in which the holding element is inserted and fixed. However, the recesses prevent attachment of evaporator sections to the corresponding surfaces, which can reduce the cooling capacity and thus the energy efficiency of the refrigeration device.

It is therefore the object underlying the invention to provide a refrigeration device with improved energy efficiency.

This object is achieved by the subject matter having the features of the independent claim. Advantageous developments are the subject of the dependent claims, the description and the drawings.

The present invention is based on the recognition that by arranging depressions in sections of the refrigeration compartment housing in which no evaporator sections can be arranged, additional surfaces for fastening further evaporator sections can be provided.

According to a first aspect, the object according to the invention is achieved by a refrigeration device, in which the depression is arranged in a curved section of the refrigeration compartment housing. Thereby, the technical advantage is achieved that the cooling housing wall portion, which is free of depressions, is increased. Thus, an increased contact area is available for additional evaporator sections, which forms the basis for an increase in energy efficiency.

In an advantageous embodiment, the curved section is an arcuate wall section which connects a side wall of the refrigeration compartment housing to a bottom of the refrigeration compartment housing. This achieves the technical advantage that such an arcuate wall section is used for a depression and in return an enlarged contact surface is provided for additional evaporator sections.

In an advantageous embodiment, the curved section is an arc wall section which connects a side wall of the refrigeration compartment housing with a roof of the refrigeration compartment housing. This achieves the technical advantage that such an arcuate wall section is used for a depression and in return an enlarged contact surface is provided for additional evaporator sections.

In an advantageous embodiment, the holding element has a contact surface which is in contact with a mating contact surface of the depression. As a result, the technical advantage is achieved that the holding element is fixed by the contact of the contact surface with the mating contact surface in its position.

In an advantageous embodiment, the holding element is U-shaped. As a result, the technical advantage is achieved that the holding element on several sides of inner wall portions of the refrigeration compartment housing, such. Side walls and a bottom, rests, which increases the stability of the retaining element.

In an advantageous embodiment, the holding element comprises a base part, a first side part and a second side part. As a result, the technical advantage is achieved that the production of the holding element is simplified, since first in a first step, the base part and the first and second side part are made, which are then joined together in a second step. So can the base part and the first as well second side part, for example, be formed undercut. This simplifies the mounting of the holding element in the refrigeration compartment housing.

In an advantageous embodiment, the holding element has an upper part, which forms a closed frame with the base part and the two side parts. As a result, the technical advantage is achieved that the holding element is designed as a particularly stable, closed frame.

In an advantageous embodiment, the base part has a first receptacle for a journal of the first side part and a second receptacle for a journal of the second side part. Thereby, the technical advantage is achieved that the mounting of the holding element without the use of additional fastening means, such. Screws can be done. This simplifies the assembly of the retaining element.

In an advantageous embodiment, the holding element is locked in the cold compartment interior. Thereby, the technical advantage is achieved that the holding element without the use of additional fastening means, such. Screws can be mounted in the cold compartment interior. This simplifies the installation of the refrigeration device.

In an advantageous embodiment, the holding element has a stop which prevents a displacement of the shelf. Thereby, the technical advantage is achieved that an unwanted displacement of the shelf, e.g. at removal of cooling or. Frozen food, which is frozen to the shelf, is reliably prevented.

In an advantageous embodiment, the retaining element has a receptacle for a first portion of the shelf, and the refrigerated compartment housing has a support surface for a second portion of the shelf. This achieves the technical advantage that only one retaining element has to be mounted.

In an advantageous embodiment, the holding element has a plurality of receptacles. As a result, the technical advantage is achieved that an arrangement of a shelf at different height levels or arrangement of a plurality of shelves is possible.

In an advantageous embodiment, a second holding element is provided, wherein the second holding element has at least one connecting element, wherein the connecting element engages in at least one rear recess of the refrigeration compartment housing, and wherein the recess is arranged in a curved portion of the refrigeration compartment housing. As a result, the technical advantage is achieved that the refrigerated compartment housing can be formed free of support surfaces for a shelf, which can simplify the production of the refrigeration compartment housing and all surfaces of the refrigeration compartment housing are free of interference contours. This creates space for evaporator blanks or heat exchanger surface.

In an advantageous embodiment, the holding element has a fastening device for an additional part of the refrigeration device. This achieves the technical advantage that such additional parts as e.g. Cooling batteries or ice cube trays, have a defined position in which they are fixed secured during transport of the refrigerator against unwanted displacement.

Furthermore, the invention includes a holding element for such a refrigeration device.

• Fig. 1 eine Vorderansicht eines Kältegeräts,
• Fig. 2 eine perspektivische Darstellung eines Kühlgutbehälters,
• Fig. 3 eine perspektivische Darstellung eines Haltelements,
• Fig. 4 eine weitere perspektivische Darstellung des Haltelements,
• Fig. 5 eine Detaildarstellung der Fig. 4,
• Fig. 6 eine perspektivische Darstellung eines Kältefachinnenraumes,
• Fig. 7 eine Detaildarstellung der Fig. 6,
• Fig. 8 einen ersten Montageschritt,
• Fig. 9 einen zweiten Montageschritt,
• Fig. 10 einen dritten Montageschritt,
• Fig. 11 einen vierten Montageschritt,
• Fig. 12 ein Detail der Fig. 11,
• Fig. 13 einen fünften Montageschritt,
• Fig. 14 das fertig montierte Halteelement,
• Fig. 15 eine perspektivische Darstellung der Fig. 14,
• Fig. 16 eine Seitenansicht des Kältefachinnenraums mit eingesetzten Fachböden,
• Fig. 17 eine Seitenansicht des Kältefachinnenraums mit zwei Halteelementen,
• Fig. 18 eine Seitenansicht des Kältefachinnenraums mit einem weiteren Ausführungsbeispiel des Haltelements,
• Fig. 19 eine perspektivische Darstellung der Fig. 18,
• Fig. 20 eine Seitenansicht des Kältefachinnenraums mit einem weiteren Ausführungsbeispiel des Haltelements, und
• Fig. 21 ein Detail der Fig. 20.

Further embodiments will be explained with reference to the accompanying drawings. Show it:

• Fig. 1 a front view of a refrigerator,
• Fig. 2 a perspective view of a refrigerated goods,
• Fig. 3 a perspective view of a holding element,
• Fig. 4 another perspective view of the holding element,
• Fig. 5 a detailed view of the Fig. 4 .
• Fig. 6 a perspective view of a cold compartment interior,
• Fig. 7 a detailed view of the Fig. 6 .
• Fig. 8 a first assembly step,
• Fig. 9 a second assembly step,
• Fig. 10 a third assembly step,
• Fig. 11 a fourth assembly step,
• Fig. 12 a detail of Fig. 11 .
• Fig. 13 a fifth assembly step,
• Fig. 14 the assembled mounting element,
• Fig. 15 a perspective view of Fig. 14 .
• Fig. 16 a side view of the refrigeration compartment interior with inserted shelves,
• Fig. 17 a side view of the refrigeration compartment interior with two holding elements,
• Fig. 18 a side view of the refrigerating compartment interior with a further embodiment of the holding element,
• Fig. 19 a perspective view of Fig. 18 .
• Fig. 20 a side view of the refrigeration compartment interior with a further embodiment of the holding element, and
• Fig. 21 a detail of Fig. 20 ,

Fig. 1 shows a refrigerator as an exemplary embodiment of a refrigeration device 100.

In the present exemplary embodiment, the refrigeration appliance 100 has a refrigeration compartment housing 116 with a first refrigeration compartment 102, which in the present exemplary embodiment is designed as a refrigerated compartment. In the refrigeration compartment 102, a second refrigeration compartment 104 with a refrigeration compartment interior 106, which is designed as a freezer compartment, is provided above the refrigeration compartment in the present exemplary embodiment. Thus, in the present embodiment, the refrigeration device 100 has an internal freezer compartment that can be opened and closed with a door (not shown).

In the refrigerated compartment interior 106, a shelf 108 is arranged in the present embodiment, can be stored on the cooling or frozen goods. In the present embodiment, the shelf 108 is formed as a glass plate.

The shelf 108 rests in the present embodiment with in the refrigerator depth direction Y front first portions 112 on a support member 110. In refrigerator depth direction Y behind the shelf 108 rests with second sections 114 on two of the present embodiment six bearing surfaces 118 of the refrigeration compartment housing 116th

In the present exemplary embodiment, the refrigeration device 100 has a refrigerant circuit with an evaporator (not illustrated), a compressor (not shown), a condenser (not shown) and a throttle device (not shown) for cooling frozen or refrigerated goods.

The evaporator is designed as a heat exchanger in which, after expansion, the liquid refrigerant is absorbed by heat from the medium to be cooled, i. Air inside the refrigerator, is evaporated.

The compressor is a mechanically driven component that draws refrigerant vapor from the evaporator and expels it at a higher pressure to the condenser.

The condenser is designed as a heat exchanger in which, after compression, the evaporated refrigerant is liquefied by heat emission to an outer cooling medium, ie the ambient air.

The throttle body is a device for the continuous reduction of the pressure by reduction in cross section.

The refrigerant is a fluid used for heat transfer in the cryogenic system which absorbs heat at low temperatures and low pressure of the fluid and releases heat at higher temperature and higher pressure of the fluid, usually including changes in state of the fluid.

Fig. 2 shows an embodiment of the refrigerator compartment housing 116, which limits the second refrigeration compartment 104, which is formed in the present embodiment as a freezer compartment. The refrigerator compartment housing 116 in the present embodiment was made of plastic by forming and then foamed with a thermosetting foam material.

The refrigerator compartment housing 116 has in the present embodiment, a rear wall 200, two opposing side walls 202, a roof 204, a bottom 206 and an opening 208 which can be opened or closed with a door (not shown).

In the present exemplary embodiment, a further rear arc wall section 212 connects the rear wall 200 to the roof 204. Furthermore, in the present exemplary embodiment, another rear arc wall section 214 connects the rear wall 200 with the rear wall 200 the ground 206.

Furthermore, in the present exemplary embodiment, the two side walls 202 each connect an upper-side arch wall section 216 to the roof 204. Furthermore, in the present exemplary embodiment, the two side walls 202 each connect a lower-side arch wall section 218 to the floor 206.

Furthermore, in the present embodiment, between the opening 208 and the two side walls 202, the roof 204 and the bottom 206, a connecting portion 220 is provided.

In the present exemplary embodiment, an evaporator (not shown) belonging to the refrigerant circuit of the refrigeration appliance 100 is in heat-conducting contact with the rear wall 200, the two side walls 202, the roof 204 and the floor 206, so that a particularly energy-efficient cooling of the second refrigeration compartment 104 is achieved. For this purpose, in the present embodiment, the evaporator is e.g. meandering formed. However, in the present embodiment, the rear arc wall portions 210, 212, 214, the upper-side arc wall portion 216, and the lower arc wall portion 218 and the connecting portion 220 are formed free of portions of the evaporator due to their curved shape. That is, they are curved portions 224 of the refrigerator compartment housing 116.

In the present embodiment, the two rear arc wall portions 210, which connect the two side walls 202 with the rear wall 200, each have three bearing surface 118, which are formed by internally-drawn recesses of the refrigerator compartment housing 116.

Further, in the present embodiment, the two upper-side arcuate wall portions 216, the roof 204 with the two side walls 202 and the two lower side arcuate wall portion 218 connecting the bottom 206 with the two side walls 202, each have a recess 222, which, as explained later is, the attachment of the retaining element 110 serve.

The Fig. 3 to 5 show an embodiment of the retaining element 110.

In the present exemplary embodiment, the holding element 110 comprises a base part 300, a first side part 302 and a second side part 302. In the present exemplary embodiment, the first side part 302 and the second side part 302 are of identical construction. When assembled together, the base part 300 and the first side part 302 as well as the second side part 302 result in a U-shaped holding element 110 Fig. 3 an upper part 306 is indicated that together the base part 300 and the first side part 302 and the second side part 302 forms a closed frame 316 forming retaining element 110.

In the present embodiment, the base part 300 and the first side part 302, the second side part 302 and the optional upper part 304 are integrally made of plastic, e.g. made by injection molding.

For connecting the base part 300 with the first side part 302 and the second side part 302, in the present exemplary embodiment the base part 300 has a first receptacle 306 and a second receptacle 308, and the first side part 302 a journal 310 and the second side part 302 a journal 310 , In this case, the first receptacle 306 and the second receptacle 308 for receiving the pins 310 are formed.

For storage of the shelf 108, the first side part 302 and the second side part 302 in the present embodiment each have three receptacles 312, which are slot-shaped in the present embodiment.

For fastening in the refrigeration compartment housing 116, in the present exemplary embodiment the base part 300 has a first connection element 314 and a second connection element 314. Furthermore, for this purpose, the first side part 302 has a third connection element 314 and the second side part 304 has a fourth connection element 314. Thus, the holding element 110 in the present embodiment, four connecting elements 314, which are identical.

The four connecting elements 314 in the present embodiment engage in the four correspondingly formed and arranged recesses 222 (see FIG Fig. 2 ) of the refrigeration compartment housing 116.

Fig. 5 shows that the connecting elements 314 each have two stop surfaces 500 in the present embodiment.

The 6 and 7 show that the refrigeration compartment housing 116 for each connecting element 314 with two stop surfaces 500 has two counter stop surfaces 600, which are arranged in the present embodiment in each recess 222. Thus, the connecting elements 314 with the stop surfaces 500 and the recesses 222 with the counter stop surfaces 600 form a latching connection.

It will now be based on the 8 to 14 explains the assembly process of an embodiment of the holding member 110 in the refrigeration compartment housing 116.

In a first step (see Fig. 8 ), the base part 300 is displaced by a pivoting movement of the base part 300 about a cooling device depth direction Y extending pivot axis until the two connecting elements 314 dive into the recesses 222, which are arranged in the arc wall portions 218 connecting the side walls 202 and the bottom 206 ( please refer Fig. 9 ). Due to the contact of the stop surfaces 500 with the counter stop surfaces 600, a displacement of the base part 300 in the refrigeration device depth direction Y is prevented.

In a further step (see Fig. 10 ), the first side part 302 is mounted. For this purpose, the first side wall portion 302 is displaced around a pivot axis extending in the refrigerator depth direction Y until the connection element 314 dips into the recess 222 arranged in the arc wall portions 216 connecting the side wall 202 and the roof 204 (see FIG Fig. 11 ). Fig. 12 shows that the receptacles 308 and the pins 310 are formed so that they allow this assembly movement.

In a further step (see Fig. 13 ), the second side part 302 is mounted in an analogous manner, so that, as in Fig. 14 shown, the holding member 110 is U-shaped and is in contact with portions of the bottom 206 and the two side walls 202 of the refrigeration compartment housing 116.

Fig. 15 shows that the receptacles 312 of the holding member 110 have the same height as the support surfaces 118, and thus allow an arrangement of the shelf 108 in three different heights in the present embodiment.

Fig. 16 on the other hand, shows that on each of the support surfaces 118 and each of the receptacles 312 shelves 108, three in the present embodiment, rest.

Fig. 17 shows a further embodiment in which two holding elements 110 are arranged in the refrigerator depth direction Y spaced from each other in the refrigeration compartment housing 116. Since in the present embodiment, both holding elements 110 each Thus, an arrangement of the shelf 108 in three different elevations is possible with three receivers 312 at the same height in the refrigerator unit Z direction. In the present exemplary embodiment, the connecting elements 314 of the additional holding element 110 engage in recesses 1700 on the back, which are likewise arranged in curved sections 224 of the refrigerating compartment housing 116.

The FIGS. 18 and 19 show a further embodiment of the holding member 110, that in the present embodiment, a fastening device 1800 for an additional part 1802 of the refrigeration device 100 has. The additional part 1802 may be a cold pack or an ice cube tray. The fastening device 1800 may be designed for positive reception of the additional part or for forming a latching connection with the additional component 1802. The fastening device 1800 allows attachment of the additional part 1802, for example, during transport of the cooling device 100.

The FIGS. 20 and 21 show a further embodiment of the retaining element 110, in which in the present embodiment each receptacle 312 is associated with a stop 2000. The stop 2000 prevents unwanted displacement of the shelf 108, for example, when removing frozen or frozen goods that is frozen to the shelf 108, reliable.

Thus, the shelf 108 is secured against undesired displacement, wherein in the region of the side walls 202 additional, 222 of recesses free wall sections for heat-conducting attachment of additional evaporator sections of the evaporator are available, so that the energy efficiency of the refrigerator 100 is further increased.

Further, a stepless adjustability of the parting plane height by a user by a corresponding design of the holding element 110 is possible. Furthermore, the one or more holding elements 110 can be completely removed from the cold compartment interior 106 by a user. As a result, a very simple cleaning of the refrigerating compartment interior 106 and the one or more holding elements 110 is possible. In addition, when the holding element or elements 110 have been completely removed by a user from the refrigeration compartment interior 106, additional storage volume is generated that can be used by the user for storing large quantities of frozen food.

LIST OF REFERENCE NUMBERS

100

The refrigerator

102

first cold compartment

104

second cold compartment

106

Refrigeration specialist interior

108

Fold bottom

110

retaining element

112

first sections

114

second sections

116

Refrigeration specialist housing

118

bearing surface

200

rear wall

202

Side wall

204

top, roof

206

ground

208

opening

210

Back arch wall section

212

Back arch wall section

214

Back arch wall section

216

Upper arch wall section

218

underside arch wall section

220

connecting portion

222

deepening

224

curved section

300

base

302

side panel

304

top

306

first recording

308

second shot

310

spigot

312

admission

314

connecting element

316

frame

500

stop surface

600

Thrust face

1700

back recess

1800

fastening device

1802

attachment

2000

attack

X

The refrigerator width direction

Y

The refrigerator depth direction

Z

The refrigerator height direction

Claims (15)

Refrigeration appliance (100) with a refrigeration compartment housing (116) delimiting a refrigeration compartment interior (106), wherein a compartment floor (108) is arranged in the refrigeration compartment interior (106), and wherein the compartment floor (108) is in sections in contact with a holding element (110) , and wherein the holding element (110) has at least one connecting element (314), and wherein the connecting element (314) engages at least one recess (226) of the refrigeration compartment housing (116), characterized in that the recess (226) in a curved Section (224) of the refrigeration compartment housing (116) is arranged. Refrigeration appliance (100) according to claim 1, characterized in that the curved portion (224) is an arc wall portion (218) which connects a side wall (202) of the refrigeration compartment housing (116) with a bottom (206) of the refrigeration compartment housing (116). Refrigeration appliance (100) according to claim 1 or 2, characterized in that the curved portion (224) is an arc wall portion (216) connecting a side wall (202) of the refrigeration compartment housing (116) with a roof (204) of the refrigeration compartment housing (116) , Refrigerating appliance (100) according to any one of the preceding claims, characterized in that the holding element (110) has a stop surface (500) which is in contact with a counter-abutment surface (600) of the recess (226). Refrigerating appliance (100) according to one of the preceding claims, characterized in that the holding element (110) is U-shaped. Refrigeration appliance (100) according to one of the preceding claims, characterized in that the holding element (110) comprises a base part (300), a first side part (302) and a second side part (302). Refrigeration appliance (100) according to claim 6, characterized in that the holding element (110) has an upper part (304) which forms a closed frame (316) with the base part (300) and the two side parts (302). Refrigerating appliance (100) according to claim 6 or 7, characterized in that the base part (300) has a first receptacle (306) for a pin (310) of the first side part (302) and a second receptacle (308) for a pin (310 ) of the second side part (302). Refrigerating appliance (100) according to one of the preceding claims, characterized in that the holding element (110) in the refrigerating compartment interior (106) is latched. Refrigerating appliance (100) according to one of the preceding claims, characterized in that the holding element (110) has a stop (2000) which prevents a displacement of the shelf (108). Refrigeration appliance (100) according to one of the preceding claims, characterized in that the holding element (110) has a receptacle (312) for a first portion (112) of the shelf (108), and the refrigeration compartment housing (116) has a bearing surface (118) for a second portion (114) of the shelf (108). Refrigerating appliance (100) according to claim 11, characterized in that the holding element (110) has a plurality of receptacles (312). Refrigeration appliance (100) according to one of the preceding claims, characterized in that a second holding element (110) is provided, wherein the second holding element (110) has at least one connecting element (314), wherein the connecting element (314) in at least one rear-side recess (314). 1700) of the refrigeration compartment housing (104) engages, wherein the recess (226) in a curved portion (224) of the refrigeration compartment housing (116) is arranged. Refrigerating appliance (100) according to any one of the preceding claims, characterized in that the holding element (110) has a fastening device (1800) for an additional part (1802) of the refrigerating appliance (100). Holding element (110) for a refrigeration device (100) according to one of the preceding claims.

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