EP0135948A1 - Meuble frigorifique muni d'un joint d'étanchéité continu en forme de cadre - Google Patents

Meuble frigorifique muni d'un joint d'étanchéité continu en forme de cadre Download PDF

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Publication number
EP0135948A1
EP0135948A1 EP84201030A EP84201030A EP0135948A1 EP 0135948 A1 EP0135948 A1 EP 0135948A1 EP 84201030 A EP84201030 A EP 84201030A EP 84201030 A EP84201030 A EP 84201030A EP 0135948 A1 EP0135948 A1 EP 0135948A1
Authority
EP
European Patent Office
Prior art keywords
sealing frame
sealing
profile
goods container
opening
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
EP84201030A
Other languages
German (de)
English (en)
Other versions
EP0135948B1 (fr
Inventor
Günther Bittel
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.)
Rehau Automotive SE and Co KG
Original Assignee
Rehau AG and Co
Rehau Plastiks GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rehau AG and Co, Rehau Plastiks GmbH filed Critical Rehau AG and Co
Priority to AT84201030T priority Critical patent/ATE24963T1/de
Publication of EP0135948A1 publication Critical patent/EP0135948A1/fr
Application granted granted Critical
Publication of EP0135948B1 publication Critical patent/EP0135948B1/fr
Expired 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
    • 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
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/047—Pressure equalising devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • F25D23/082—Strips
    • F25D23/087—Sealing strips
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/10—Refrigerator top-coolers
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the invention relates to a refrigerator with a circumferential, miter-jointed sealing frame in the corner areas, in particular a freezer, consisting of a refrigerated goods container and a closure lid, in the edge regions of which the sealing frame is arranged and in the closed state closes the opening of the refrigerated goods container airtight, the Sealing frame elements for accelerated pressure equalization when opening and closing. Has closing measures of the cover.
  • German patent 1 601 171 a sealing frame for a refrigerator unit consisting of a profile seal is known, which has an air passage in the profile seal which is connected to the outside air and which is covered against the interior of the freezer by an additional lip seal. With this arrangement it is achieved that with the closing of the freezer door a rapid pressure equalization between the air in the refrigerator and the outside air surrounding the refrigerator can take place.
  • the air outlet itself is formed in the profile seal as a through hole.
  • a further profile seal arrangement for refrigerated cabinets in which a deliberately induced constriction of the breathing height of the sealing frame is brought about in order to reduce the opening forces in refrigerated cabinet doors.
  • the sealing frame is partially with a tape that z. B. can be an adhesive tape, constricted.
  • the effect of this measure is that when lifting the refrigerator lid, d. H. when the opening force is applied at the points of the constriction, the air balance between the interior of the refrigerator and the outside air can occur earlier, so that the force required for opening is reduced.
  • the disadvantage of this measure is to be seen in the fact that the constrictions have to be made subsequently by wrapping the sealing frame with the adhesive tape at the places provided for this purpose.
  • the constrictions can be produced, for example, by additional work steps if the sealing frame is already connected to one another in the corner areas. Then one or more such radial constrictions are then produced at a point to be determined above the longitudinal extent of the sealing frame by wrapping with the adhesive tape.
  • the constrictions can also be produced on the unconnected profile sealing parts, after which the individual profile sealing parts are then built up in the corner areas by a corresponding connection to the sealing frame.
  • the object of the invention is seen primarily in the creation of a sealing frame for a refrigerated cabinet which receives the elements for accelerated pressure compensation without additional work steps during the assembly of the frame parts to form the sealing frame in the joining areas.
  • the cross section of the sealing frame in the mitred corners is reduced to a height which is up to 2 mm above the hinge distance between the closure lid and the refrigerated goods container.
  • the cross-section is advantageously reduced when the individual profile parts are welded to the sealing frame.
  • Sealing frames take advantage of the possibility, when joining the sealing frame parts in the corner areas, to permanently introduce the reduction in cross-section that is required for a quick pressure equalization when the refrigerator lid is opened.
  • the invention also takes advantage of the fact that when the individual profile layers of the sealing frame are joined in the miter corner areas by the application of welding heat, the plastic material used to produce the sealing profile is plasticized, which can not only be used to connect the individual profile parts, but simultaneously secken g for permanent reduction of the cross section of the profile seal in the connection area of the Gehrun. The plastic material is pressed into the profile seal in these areas and remains in this pressed state by cooling.
  • the corner welding and synchronously reducing cross-section can be adjusted so that a breathing movement of the sealing frame is still possible even in the corner area with reduced cross-section.
  • this reduced force results from the fact that the seal in the mitred corner area is welded to a distance which is slightly above the hinge distance between the closure lid and the refrigerated goods container.
  • this distance can be set up to 2 mm and depends on the weight of the refrigerator cabinet lid and the size of the refrigerator cabinet itself. It is essential, however, that with this distance specification a reduced sealing area is maintained, which is important when opening the refrigerator cabinet lid overcome before pressure equalization takes place.
  • the profile seal 1 is shown, which consists of the profile foot 2 and the bellows 3.
  • the profile foot 2 consists of the latching parts 21, 22, which ensure a secure fit of the sealing frame on the closure cover.
  • the sealing bellows 3 consists in the illustration shown of a three-part hollow profile. This three-way division takes place through the blocking walls 31, 32, 33 formed in the sealing bellows 3, which together with the outer walls 34, 35, 36 of the sealing bellows 3 form the partial hollow chambers 37, 38, 39.
  • FIG. 2 shows the profile seal according to FIG. 1 in its working areas.
  • 1 shows the profile seal in its extrusion state
  • FIG. 2 shows the state of the seal as it results after insertion into the sealing cap as a permanent deformation due to the working pressures occurring.
  • the outer walls 34 and 36 of the sealing bellows have been rounded in the shape of the permanent deformation shown in dashed lines and pushed outwards.
  • the inner webs 31, 32 have followed this movement outwards. They now form with the inner web 33 a flattened Y shape compared to the illustration in FIG. 1.
  • the effort 35 of the sealing bellows 3 has also flattened out in its bulges.
  • FIG. 2 shows, compared to the permanent deformation of the profile seal in the dashed version, the position of the highest compression when the closure lid rests on the refrigerated goods container.
  • the outer walls 34, 36 of the sealing bellows 3 are pressed even further outward, the inner webs 31, 32 are positioned almost at right angles to the inner web 33 and the outer wall 35 bears approximately on the inner webs 31, 32. From this illustration it is easy to see that a further compression of the sealing bellows 3 is no longer possible, since the inner web 3, 3 and the inner webs 31, 32 articulated thereon would oppose this.
  • FIG. 3 shows the profile seal in the welded corner areas.
  • the end of the pressing according to Fig. 2 has not yet been reached, d. H. the outer wall 35 of the sealing bellows 3 still protrudes slightly from the inner webs 31, 32.
  • the difference between the final pressing of the profile seal shown in FIG. 2 and the distance between the corner weld shown in FIG. 3 shows the possibility of pressing in the welded corner areas.

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)
  • Refrigerator Housings (AREA)
  • Closures For Containers (AREA)
EP84201030A 1983-08-27 1984-07-12 Meuble frigorifique muni d'un joint d'étanchéité continu en forme de cadre Expired EP0135948B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84201030T ATE24963T1 (de) 1983-08-27 1984-07-12 Kuehlmoebel mit einem umlaufenden dichtungsrahmen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3330991 1983-08-27
DE3330991A DE3330991C2 (de) 1983-08-27 1983-08-27 Kühlmöbel mit einem umlaufenden Dichtungsrahmen

Publications (2)

Publication Number Publication Date
EP0135948A1 true EP0135948A1 (fr) 1985-04-03
EP0135948B1 EP0135948B1 (fr) 1987-01-14

Family

ID=6207633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84201030A Expired EP0135948B1 (fr) 1983-08-27 1984-07-12 Meuble frigorifique muni d'un joint d'étanchéité continu en forme de cadre

Country Status (3)

Country Link
EP (1) EP0135948B1 (fr)
AT (1) ATE24963T1 (fr)
DE (1) DE3330991C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283843A2 (fr) * 1987-03-19 1988-09-28 Ilpea-Kunststoffverarbeitung Gmbh Dispositif de joint pour armoires frigorifiques
CN110806058A (zh) * 2019-11-27 2020-02-18 合肥美科制冷技术有限公司 一种冰箱密封结构及冰箱
CN114796690A (zh) * 2021-01-28 2022-07-29 纬创资通股份有限公司 输液高度示警与阻断装置及输液高度示警与阻断方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9410579U1 (de) * 1994-06-30 1994-09-01 Rehau Ag + Co, 95111 Rehau Profil zur Dichtung einer Tür
DE29520234U1 (de) * 1995-12-20 1997-04-17 Liebherr-Hausgeräte GmbH, 88416 Ochsenhausen Profil zur Dichtung einer Tür oder Klappe gegenüber einem Korpusteil
US8490333B2 (en) 2005-05-23 2013-07-23 Electrolux Home Products, Inc. Sealing gaskets
DE102011103967A1 (de) 2011-04-08 2012-10-11 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und /oder Gefriergerät

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201833A (en) * 1963-08-22 1965-08-24 Carrier Corp Sealing arrangement
DE1239215B (de) * 1962-11-21 1967-04-20 Canfield Co Gmbh H O Einrichtung zur Schweissverbindung von elastischen, zusammenstossenden Hohlprofildichtungen gleicher Umfangslaenge fuer Schraenke mit Magnetverschluss
US3331648A (en) * 1965-05-28 1967-07-18 Gen Motors Corp Refrigerating apparatus
US3434239A (en) * 1968-03-25 1969-03-25 Whirlpool Co Snap-on vacuum break device for refrigerators
DE1601901A1 (de) * 1967-10-13 1970-05-21 Licentia Gmbh Dichtung fuer Kuehlschranktueren
FR2445916A1 (fr) * 1979-01-04 1980-08-01 Refrigeration Cie Caladoise Appareil de production de froid, muni d'un systeme de reequilibrage de pressions
FR2459871A1 (fr) * 1979-06-27 1981-01-16 Rubberia Sa Joint a levre pour bati ouvrant et son procede de fabrication

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239215B (de) * 1962-11-21 1967-04-20 Canfield Co Gmbh H O Einrichtung zur Schweissverbindung von elastischen, zusammenstossenden Hohlprofildichtungen gleicher Umfangslaenge fuer Schraenke mit Magnetverschluss
US3201833A (en) * 1963-08-22 1965-08-24 Carrier Corp Sealing arrangement
US3331648A (en) * 1965-05-28 1967-07-18 Gen Motors Corp Refrigerating apparatus
DE1601901A1 (de) * 1967-10-13 1970-05-21 Licentia Gmbh Dichtung fuer Kuehlschranktueren
US3434239A (en) * 1968-03-25 1969-03-25 Whirlpool Co Snap-on vacuum break device for refrigerators
FR2445916A1 (fr) * 1979-01-04 1980-08-01 Refrigeration Cie Caladoise Appareil de production de froid, muni d'un systeme de reequilibrage de pressions
FR2459871A1 (fr) * 1979-06-27 1981-01-16 Rubberia Sa Joint a levre pour bati ouvrant et son procede de fabrication

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283843A2 (fr) * 1987-03-19 1988-09-28 Ilpea-Kunststoffverarbeitung Gmbh Dispositif de joint pour armoires frigorifiques
DE3709060A1 (de) * 1987-03-19 1988-09-29 Ilpea Kunststoffverarbeitung Dichtungsanordnung fuer kuehlmoebel
EP0283843A3 (en) * 1987-03-19 1989-10-18 Ilpea-Kunststoffverarbeitung Gmbh Sealing arrangement for refrigerated cabinets
CN110806058A (zh) * 2019-11-27 2020-02-18 合肥美科制冷技术有限公司 一种冰箱密封结构及冰箱
CN114796690A (zh) * 2021-01-28 2022-07-29 纬创资通股份有限公司 输液高度示警与阻断装置及输液高度示警与阻断方法

Also Published As

Publication number Publication date
DE3330991A1 (de) 1985-03-14
EP0135948B1 (fr) 1987-01-14
ATE24963T1 (de) 1987-01-15
DE3330991C2 (de) 1986-08-14

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