EP0709631A2 - Appareil de congélation - Google Patents

Appareil de congélation Download PDF

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Publication number
EP0709631A2
EP0709631A2 EP95112176A EP95112176A EP0709631A2 EP 0709631 A2 EP0709631 A2 EP 0709631A2 EP 95112176 A EP95112176 A EP 95112176A EP 95112176 A EP95112176 A EP 95112176A EP 0709631 A2 EP0709631 A2 EP 0709631A2
Authority
EP
European Patent Office
Prior art keywords
drain pipe
drain
latching
outlet
freezer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95112176A
Other languages
German (de)
English (en)
Other versions
EP0709631A3 (fr
EP0709631B1 (fr
Inventor
Jürgen Dipl.-Ing. Ballarin (FH)
Wolfgang Dipl.-Ing. Kentner (Fh)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to SI9530257T priority Critical patent/SI0709631T1/xx
Publication of EP0709631A2 publication Critical patent/EP0709631A2/fr
Publication of EP0709631A3 publication Critical patent/EP0709631A3/fr
Application granted granted Critical
Publication of EP0709631B1 publication Critical patent/EP0709631B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/146—Collecting condense or defrost water; Removing condense or defrost water characterised by the pipes or pipe connections

Definitions

  • the invention relates to a freezer with a heat-insulating housing, within which at least one freezer is arranged, which is cooled by an evaporator, which can be defrosted if necessary, the melt water accumulating during the defrosting collecting on the freezer-side surface of the freezer compartment floor and the heat insulation there of the bottom penetrating drain pipe is fed, the free outlet end is connected to a drain pipe.
  • a freezer is known from DE-GM 77 03 184, the heat-insulated freezer floor of which is equipped with a drain pipe penetrating the floor thickness. This is connected at its outlet end to a drain pipe designed as a drain bracket, which for the purpose of its connection projects with a pipe section into the flow-through cross section of the drain pipe and which is provided on the jacket of the pipe section with sealing lips formed thereon, which cooperate with the inner wall of the drain pipe, to create a seal between the two To generate line sections.
  • inner lips are provided at the front end of the outlet section of the drain pipe, which act on the pipe jacket of the pipe section facing the drain pipe.
  • the length of the drain pipe could be adapted essentially to the thickness of the freezer base, which could reduce the height of the space used for receiving the drain pipe, which is arranged below the freezer interior, but such training is involved the connection point between the two line sections the risk that leakage water can escape at the connection point, especially if either the sealing lips on the pipe jacket of the drain line or the inner lips on the drain pipe have a fault that is not easily recognizable or the assembly of the two line sections to one another is not possible with the the necessary care has been taken.
  • careful assembly which ensures tightness at the connection point, in turn means a not inconsiderable increase in assembly time.
  • DE-GM 84 36 339 Another cooling device with a condensate drain is known from DE-GM 84 36 339, which is essentially formed from a trough-shaped drain line, a guide for guiding the drain line, equipped with a pipe section, and an essentially tubular drain socket. This is equipped on the tubular casing of its outlet-side end with a plurality of holding ribs which are arranged at a distance above one another and protrude from the thermal insulation of the cold room floor, onto which the ribs on the opposite guide arranged pipe socket for connecting the drain pipe to the drain socket to produce a continuous condensate drain, can be pushed.
  • the object of the invention is to propose a condensate drain which is improved in terms of its functional reliability in a simple construction and is constructed in a space-saving manner.
  • connection between the drain pipe and the drain pipe is produced by holding means arranged on the latter, which act on the flow-through cross section of the drain pipe and which are arranged essentially within the walls of the drain pipe.
  • the solution according to the invention produces a water supply for a condensate drain, in which sealing measures are carried out over the entire length without additional, usually complex and measures which significantly reduce the ease of installation Leakage losses are always safely avoided.
  • the solution according to the invention enables the overall height of the condensate drain to be minimized in favor of an enlargement of the freezer compartment, since, due to the type of connection according to the invention, there is no need for a connection section of the drain pipe which projects clearly above the base thickness.
  • the holding means on the drain line are designed as resilient latching hooks arranged on their flow-through cross section, which are positively and / or non-positively connected to latching means with their free hook ends designed as latching lugs.
  • the latching hooks are provided with through-openings for the melt water, the latching lugs of which interact in a latching manner with latching means which are designed as projections and which project into the flow cross section of the drain pipe.
  • Such a solution is particularly characterized by the integration of the holding means in the melt water guide.
  • the latching hooks are particularly simple and robust if, according to a further advantageous embodiment of the object of the invention, it is provided that the latching hooks are formed from at least one circular hollow cylinder divided into two wall segments, the cylinder wall of which is provided with at least one as a passage opening for the melt water.
  • the drain pipe has a circular flow-through cross section, in which the free ends of the locking hooks protrude and on which the projections are arranged along its circumference, on which the locking lugs of the locking hooks, a pivoting movement permitting for the drain line, are pivotally mounted.
  • the drain line is designed as a channel, on the channel bottom of which the channel bottom forming the latching hooks are arranged and whose lateral channel walls delimiting the width of the channel channel in the area of the latching hooks formed by the sectors of the circular hollow cylinder in kind of a circular ring provided with an outlet opening towards the outlet of the channel and arranged concentrically around this.
  • a drain line equipped with these features is not only particularly easy to manufacture, but also has a stable connection to the drain pipe and a targeted water supply to the channel outlet.
  • connection point designed as a swivel joint between the drain line and the drain pipe is still inadvertently caused, not operationally operating the drain line, if according to a further advantageous embodiment of the object of the invention it is provided that the one formed by the annulus Section of the walls is raised relative to the remaining wall sections of the channel and the protrusion is guided in a guide groove arranged concentrically around the outlet-side end of the drain pipe.
  • the outlet pipe has a drip edge around its flow-through cross section on the outlet side, which is located within the walls of the outlet pipe and surrounds the holding means for connecting the outlet pipe and the outlet pipe.
  • the drain pipe and the guide groove are particularly easy to assemble and match each other precisely if, according to a last advantageous embodiment of the object of the invention, it is provided that the drain pipe and the guide groove is arranged on a molded part enclosing the thermal insulation of the freezer compartment floor on its side facing away from the freezer compartment.
  • FIG. 1 the outline of the lower section of a freezer 10 is sketched in a simplified manner, the heat-insulating housing 12 of which rests on a base 11 together with an appliance door (not shown) encloses a freezer compartment 13.
  • an inner container 14 produced by means of non-cutting shaping of a plastic board and has on the surface of its bottom 15 a slope that is incorporated into the inner container 14. At its bottom, this is connected to the inlet-side end of a drain pipe 17, which serves as an outlet and belongs to an end profile 16.
  • the drain pipe 17 passes through the thickness of the thermal insulation of the freezer compartment floor 15 and is integrally connected to the thermal insulation of the freezer compartment floor 15, which is made, for example, from plastic injection molding, including the bottom section of the inner container 14 and the end profile 16 receiving the end thereof on the door front .
  • the drain pipe 17 connected to the end profile 16 has, at its outlet-side end opposite the freezer space 13, within its essentially circular, flow-through cross section 18, projections 19 which are arranged over the entire circumference of the flow-through cross section 18, project into it and thus the latter Reduce diameter.
  • a drip nose 20 of circular cross-section is arranged at the end at the outlet-side end thereof, the diameter of which is larger than that of the flow-through cross-section 18 arranged around the drain pipe 17 and projecting into the thermal insulation of the freezer compartment floor 15, but opposite the thermal insulation through the walls of the end profile 16 delimited circular guide groove 21 is provided. This is open on its end face facing away from the thermal insulation of the freezer compartment floor 15 and is rectangular in cross section.
  • the groove width of the guide groove 21 is matched to the wall thickness of a gutter wall 23 belonging to a gutter-shaped drain line 22, the water inlet end of which is designed in the manner of a circular hollow cylinder 24, the wall height of which, compared to the lateral end that runs towards the inlet end, limits the width of the gutter-shaped drain line Channel walls are raised. Furthermore, the circular hollow cylinder 24 is provided with an outlet opening 25 at its section facing the outlet-side end of the outlet line 22.
  • a further circular hollow cylinder is arranged centrally around its center, which is divided into two wall segments which are free from one another and have the same arc length, each of which is designed as a latching hook 26 and is connected with one of its front ends to the channel bottom of the channel-shaped drain line 22.
  • the wall segments have, on the shell side, at their free end facing away from the channel groove, for the purpose of their formation as latching hooks, 26 insertion bevels 27, which are followed by latching lugs 28 towards the channel bottom.
  • the wall segments of the circular hollow cylinder serving as locking hooks 26 are equipped on their jacket side with a receiving groove 29 which extends over the circumference of the circular hollow cylinder and which is matched in terms of its groove depth to the width of the projections 19, but greater than its groove width the height of the projections 19 is dimensioned.
  • the wall segments formed as locking hooks 26, which are left free from a circular hollow cylinder, are provided with three through openings 30 for the melt water, which are arranged at approximately uniform angular intervals over the jacket of the circular hollow cylinder, and the side facing the channel bottom of the drain line 22 in one plane lies with it, the passage opening 27 facing the outlet-side end of the outlet line 22 being essentially aligned with the outlet opening 25.
  • the drain line 22 can be connected to the drain pipe 17.
  • the locking hooks 26 formed by the cylinder wall of the circular hollow cylinder are inserted into the flow-through cross section 18 of the drain pipe 17. Due to the lead-in chamfer 27 leading in the direction of insertion, the two segments of the circular hollow cylinder designed as latching hooks 26 are moved towards one another in an elastically resilient manner due to the cutouts created between them. After reaching the locking position, in which the locking lug 28 engages behind the projections 19 on their surface facing the inlet end of the drain pipe 17, the locking hooks 26 spring back into their starting position.
  • a swivel joint is produced, on the basis of which it is possible to pivot the drain line 22 around the center of the drain pipe 17.
  • the swivel produced is guided by the guided engagement of the free end of the circular hollow cylinder 24 in the guide groove 21, which additionally supports torques loading against the swivel.
  • a handle 31 is provided at the outlet end thereof, by means of which the drain line 22 can be pivoted from the rest position shown in FIG. 2 to its operating position shown in FIG. 3.
  • the drain line 22 is in its operating position for discharging the melt water which arises during a defrosting process, the dirty water being fed to the drain pipe 17 on account of the incline incorporated into the freezer compartment floor 15 on the freezer compartment side. From there, it is passed into the circular hollow cylinder designed as a latching hook 26 and flows via passage openings 30 incorporated into the wall thereof to the outlet opening 25 in the circular hollow cylinder 24, from which it is fed to the outlet-side end of the outlet line 22.
  • the melt water which may flow via the snap connection between the segments of the hollow circular cylinder serving as snap hooks 26 and the projections 19, is determined using the drip nose 20 downstream of the drain pipe 17 in the flow direction of the melt water, which is arranged inside the walls of the hollow circular cylinder 24 in the held state of the drain line 22. safely fed to the gutter of the drain line 22.

Landscapes

  • 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)
  • Removal Of Water From Condensation And Defrosting (AREA)
EP95112176A 1994-10-25 1995-08-02 Appareil de congélation Expired - Lifetime EP0709631B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530257T SI0709631T1 (en) 1994-10-25 1995-08-02 Freezing apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4438103A DE4438103A1 (de) 1994-10-25 1994-10-25 Gefriergerät
DE4438103 1994-10-25

Publications (3)

Publication Number Publication Date
EP0709631A2 true EP0709631A2 (fr) 1996-05-01
EP0709631A3 EP0709631A3 (fr) 1996-08-14
EP0709631B1 EP0709631B1 (fr) 1999-06-16

Family

ID=6531647

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95112176A Expired - Lifetime EP0709631B1 (fr) 1994-10-25 1995-08-02 Appareil de congélation

Country Status (8)

Country Link
EP (1) EP0709631B1 (fr)
CN (1) CN1128342A (fr)
BR (1) BR9504522A (fr)
DE (2) DE4438103A1 (fr)
ES (1) ES2136228T3 (fr)
GR (1) GR3030985T3 (fr)
SI (1) SI0709631T1 (fr)
TR (1) TR199501252A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2356036A (en) * 1999-11-08 2001-05-09 Russell David Albutt Condensate drip tray
WO2003021169A1 (fr) * 2001-09-05 2003-03-13 Multibrás S.A. Eletrodomésticos Agencement pour orienter l'eau de degivrage dans des refrigerateurs
CN103363763A (zh) * 2013-08-06 2013-10-23 合肥美的电冰箱有限公司 冰箱及其排水装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4454324B2 (ja) * 2004-01-29 2010-04-21 三洋電機株式会社 ブースタユニット
CN102393118A (zh) * 2011-12-13 2012-03-28 合肥美的荣事达电冰箱有限公司 冰箱
CN102494476B (zh) * 2011-12-13 2014-07-16 合肥美的电冰箱有限公司 冰箱
CN102494474B (zh) * 2011-12-13 2016-03-30 合肥美的电冰箱有限公司 冰箱
CN102494473B (zh) * 2011-12-13 2014-01-15 合肥美的电冰箱有限公司 冰箱
CN104913569A (zh) * 2015-06-24 2015-09-16 合肥美的电冰箱有限公司 冰箱
CN106196851B (zh) * 2016-07-12 2020-06-09 海信（山东）冰箱有限公司 一种冰箱化霜水排水接头及冰箱
CN108172944A (zh) * 2018-02-06 2018-06-15 华霆（合肥）动力技术有限公司 灌封工装及液冷管

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7703184U1 (de) 1977-02-04 1977-05-26 Linde Hausgeräte Gmbh Kühlmöbel
DE8436339U1 (de) 1984-12-12 1986-04-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Tauwasserablauf für ein Kühlgerät

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8423881V0 (it) * 1984-11-23 1984-11-23 Eurodomestici Ind Riunite Dispositivo per facilitare lo scarico dell'acqua di disgelo di congelatori a pozzo, dei vani congelatori di frigoriferi e simili.
DE8915096U1 (de) * 1989-12-22 1990-02-15 Bosch-Siemens Hausgeräte GmbH, 8000 München Kühlgerät, insbesondere Haushalts-Gefrierschrank bzw. Gefriertruhe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7703184U1 (de) 1977-02-04 1977-05-26 Linde Hausgeräte Gmbh Kühlmöbel
DE8436339U1 (de) 1984-12-12 1986-04-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Tauwasserablauf für ein Kühlgerät

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2356036A (en) * 1999-11-08 2001-05-09 Russell David Albutt Condensate drip tray
WO2003021169A1 (fr) * 2001-09-05 2003-03-13 Multibrás S.A. Eletrodomésticos Agencement pour orienter l'eau de degivrage dans des refrigerateurs
CN103363763A (zh) * 2013-08-06 2013-10-23 合肥美的电冰箱有限公司 冰箱及其排水装置
CN103363763B (zh) * 2013-08-06 2015-12-23 合肥美的电冰箱有限公司 冰箱及其排水装置

Also Published As

Publication number Publication date
DE59506221D1 (de) 1999-07-22
GR3030985T3 (en) 1999-12-31
CN1128342A (zh) 1996-08-07
BR9504522A (pt) 1997-05-27
EP0709631A3 (fr) 1996-08-14
ES2136228T3 (es) 1999-11-16
TR199501252A2 (tr) 1996-06-21
EP0709631B1 (fr) 1999-06-16
SI0709631T1 (en) 1999-10-31
DE4438103A1 (de) 1996-05-02

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