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
  • 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
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16J—PISTONS; CYLINDERS; SEALINGS
  • F16J15/00—Sealings
  • F16J15/02—Sealings between relatively-stationary surfaces
  • F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
  • F16J15/022—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
  • F16J15/024—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity
  • F16J15/027—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity and with a hollow profile
• • 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
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
  • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

• the invention relates to a sealing profile, in particular for the door of a refrigerator, with a hollow cross-section, a sealing chamber for a magnetic tape, a sealing foot that can be fastened to the inside of the door and a sealing section that is arranged on the outside of the sealing profile and covers the inner door trim.
• sealing profiles of this type are attached to the door or flap of a refrigerated cabinet by inserting the sealing foot into a circumferential groove on the inside of the door.
• conventional sealing profiles mostly have a sealing section arranged on the outside of the sealing profile, which can be designed as a sealing lip or bellows and covers the dirt gap that arises in the area of the inner door trim.
• the gap between the unit body and the refrigerator door is sealed with the help of magnetic door sealing frames.
• a magnetic tape is inserted into the sealing chamber of the sealing profile, so that this section of the sealing profile is in contact with the entire length of a stop edge of the device body when the refrigerator door is closed.
• the enlargements of the door gap can be compensated for by magnetic door sealing frames.
• the sealing profile is pulled apart to different extents, which means that the sealing section covering the inner door trim is raised in some places by the magnetic tensile force, so that the otherwise concealed dirt joint is visible.
• the invention is therefore based on the problem of avoiding the disadvantages mentioned and of creating a sealing profile in which the sealing section is prevented from being lifted off.
• a sealing profile of the type mentioned at the outset that at least one profile web which transmits the magnetic tensile force into the region of the sealing foot is arranged within the hollow cross section.
• the greatest part of the magnetic tensile force is transmitted via the profile web from the area of the sealing chamber for the magnetic tape to the sealing foot. Only a small part of the force flow runs over the sealing profile section having the sealing section, which is in any case so small that the sealing section is not raised and the dirt joint remains covered.
• the area of the sealing profile that has the sealing section which can be, for example, a sealing lip or a bellows, is practically free of forces, so that no displacements or movements can occur.
• the profile web which transmits the magnetic tensile force in the area of the sealing foot prevents this movement from being transmitted to the hollow cross section in the area of the sealing section.
• a particularly reliable seal is achieved if, in a sealing profile according to the invention, the profile web extends from the area of the sealing foot essentially diagonally to an essentially vertical section having the sealing section or to a substantially horizontal section of the sealing profile opposite the sealing foot.
• the sealing profile has a second profile web, starting from the first profile web and extending essentially diagonally up to a corner of the sealing profile in the region of the profile base.
• the second profile web can run from the center of the first profile web to the lower outer corner of the sealing profile.
• the first and second profile webs result in a framework structure, the second profile web preventing lateral movement of the first profile web and the sealing section. The resistance to displacements in the area of the sealing section is significantly increased with little material expenditure.
• the sealing profile has a substantially horizontal third profile web starting from the first profile web.
• the third profile web preferably starts from the central section of the first profile web and runs essentially horizontally to a further section connected to the sealing foot or to the hollow cross section of the sealing profile on the side opposite the sealing section.
• the third profile web prevents the first profile web from moving laterally.
• the second and the third profile web can meet at a common point and form a truss node, but they can also be arranged offset on the first profile web. It is expedient if the sealing profile has a fourth profile web, which connects the essentially horizontal third profile web to the region of the sealing foot.
• the fourth profile web can transmit the magnetic tensile force transmitted from the third profile web into the sealing foot.
• the fourth profile web can be arranged essentially vertically starting from the sealing foot.
• the third profile web can then be shortened so that it runs from the end point of the fourth profile web to the first profile web.
• an essentially arcuate fifth profile web is arranged between the sealing chamber for the magnetic tape and the sealing foot, optionally a profile section connected to the sealing foot.
• the fifth profile web can be made essentially parallel to the hollow cross section of the sealing profile.
• a certain part of the magnetic tensile force can be transmitted from the sealing chamber to the sealing foot via the fifth profile web, so that the area of the sealing section is additionally relieved of the force transmission.
• the sealing section is designed as a sealing lip or bellows.
• the sealing lip can cover the dirt gap or edge, even if the door of the refrigerator is closed and the sealing profile is acted upon by the magnetic tensile force.
• the sealing section can also be used as a bellows, i.e. be designed as an essentially semicircular sealing chamber which is arranged on the outside on a substantially vertical section of the hollow cross section and bears on a surface or a projection of the inner door.
• the wall thicknesses of one or more inner profile webs are preferably designed differently than the wall thickness of the sealing profile.
• the wall thickness of one or more inner profile webs can be greater than the outer wall strength of the sealing profile.
• the stiffness and thus the deformation behavior of the sealing profile according to the invention can be influenced over a wide range by varying the wall thicknesses.
• a special sealing profile can be designed for any desired deformation behavior.
• Sealing profiles according to the invention can be produced from a plastic material, in particular extruded.
• the invention also relates to a refrigerator, in particular a refrigerator or freezer or a freezer, which has a door with a sealing profile according to the invention.
• the sealing profile according to the invention can also be used with the described advantages also in other devices, devices and apparatuses in which a seal against heat, moisture or temperature is required.
• FIG. 1 shows a sealing profile with a first profile web.
• Figure 2 shows the sealing profile of Figure 1 with an additional second profile web.
• Figure 3 shows the sealing profile of Figure 2 with a total of five profile webs.
• FIG. 4 shows a sealing profile similar to that shown in FIG. 3 with a modified introduction of force into the sealing foot
• 5 shows a sealing profile in which the diagonally running first profile web is connected to a vertical profile web in the region of the sealing foot; 6 shows a sealing profile without an arcuate profile web;
• Fig. 8 shows a sealing profile according to the prior art.
• the relatively flexible sealing profile 1 is pulled apart by the magnetic tensile force, in particular at the hinge points 7, 8, 9, the profile section 10 originally resting on the inner door being raised so that the outer sealing lip 11 lifts off and the dirt joint 12 becomes visible.
• the sealing profile 13 essentially consists of a hollow cross section 14, a sealing chamber 15 for a magnetic tape, a sealing foot 16 which can be inserted into a circumferential groove in a door of a refrigerator. Furthermore, the sealing profile 13 has a sealing means arranged on the outside and designed as a sealing lip 17.
• An approximately vertical profile section 19 of the hollow cross section 14 adjoins the substantially horizontal profile section 18 starting from the sealing foot 16 and is connected to the sealing chamber 15 via a horizontal profile section 20 and a vertical profile section 21.
• a first profile web 22 runs diagonally from the upper section of the profile section 19 into the region of the sealing foot 16.
• the remaining areas of the sealing profile 13 are essentially free of forces, in particular the lower section of the profile section 19, the sealing lip 17 and the horizontal profile section 18, so that practically no movements or displacements occur there.
• the part of the sealing profile 13 which contains the sealing lip 17 does not contribute anything, at most a very small part to the power transmission from the sealing chamber 15 to the sealing foot 16. In contrast to conventional sealing profiles, there can therefore be no undesired lifting of the sealing lip 17.
• Fig. 2 shows the sealing profile of Fig. 1 with an additional second profile web 23, which starts from the corner formed by the horizontal profile section 18 and the vertical profile section 19, on which the sealing lip 17 is arranged, and which approximately to the middle of first profile web 22 runs.
• the second profile web 23 is arranged diagonally and prevents movement of the first profile web 22 when it is acted upon by the magnetic tensile force.
• the rigidity of the sealing profile is increased by the second profile web 23.
• the sealing profile shown in FIG. 3 has an additional, horizontally running third profile web 24 starting from the first profile web 22.
• the third profile web 24 forms with the first and second profile webs 22, 23 in the illustrated embodiment a common node 25, while its other end up to the hollow cross section 14, i.e. extends to the outside of the sealing profile.
• connection of the third profile web 24 to the sealing foot 16 is formed by a fourth, vertical profile web 26.
• an arcuate fifth profile web 27 is formed, which is connected to the sealing chamber 15. Accordingly, the magnetic tensile force can be transmitted from the sealing chamber 15 to the sealing foot 16 via the fifth profile web 27 and the fourth profile web 26.
• the multiple load paths that are formed by the first to fifth profile webs make the very transmit most of the magnetic traction to the sealing foot 16. For this reason, the corner area with the sealing lip 17 is still even when there is a tensile load, since the force is not transmitted via the profile sections 19, 18.
• Figures 4 to 7 show further modifications of sealing profiles.
• the introduction of force into the sealing foot 16 is changed in comparison to FIG. 3.
• the fourth profile web 26 of FIG. 3 is connected to two diagonal webs 28, 29, each connected to one side of the sealing foot 16, the fourth profile web 26 in the embodiment of FIG. 4 runs up to the horizontal profile section 18 forming the profile base.
• the second profile web 23 and the third profile web 24 do not cross at a common node, but are offset from one another along the first profile web 22.
• Fig. 5 shows a sealing profile without a third, horizontally extending profile web.
• the first profile web 22 extends from the center of the outer profile section 19 to a node which is formed by the vertical profile web 26 and the arcuate fifth profile web 27.
• This embodiment is characterized by a low material consumption.
• FIG. 6 shows an exemplary embodiment of a sealing profile which does not have an arcuate fifth profile web.
• the magnetic tensile force is therefore transmitted on one side via the section of the hollow cross section 14 to the sealing foot 16, on the other hand the force is transmitted directly or via the profile sections 21, 20 and the upper section of the profile section 19 and the first profile web 22 transfer the horizontal third profile web 24 and essentially vertical fourth profile webs 26 to the sealing foot 16.
• the sealing section is designed as bellows 30.
• the bellows 30 has an approximately semicircular cross section and lies in the installed state with its outside against a projection of the inner door.
• the diagonal first profile web 22 can, as shown in FIG. 7, be arranged in the upper part of the essentially vertical profile section 19 However, it can also extend between the corner formed by the profile sections 19, 20 and the area of the sealing foot 16.
• the invention idea also encompasses other useful combinations of the individual features, even if they are not explicitly described.

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Refrigerator Housings (AREA)
• Sealing Material Composition (AREA)
• Gasket Seals (AREA)
• Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=7961491

Family Applications (1)

Country Status (12)

Families Citing this family (11)

Family Cites Families (17)

• 2001
  • 2001-09-08 DE DE20114870U patent/DE20114870U1/de not_active Expired - Lifetime
• 2002
  • 2002-08-30 MX MXPA04001869A patent/MXPA04001869A/es active IP Right Grant
  • 2002-08-30 BR BR0212638-9A patent/BR0212638A/pt not_active IP Right Cessation
  • 2002-08-30 TR TR2004/00310U patent/TR200400310U2/xx unknown
  • 2002-08-30 PL PL02114942U patent/PL62491Y1/pl not_active IP Right Cessation
  • 2002-08-30 EP EP02776949A patent/EP1423653A1/de not_active Withdrawn
  • 2002-08-30 WO PCT/EP2002/009669 patent/WO2003023300A1/de not_active Application Discontinuation
  • 2002-08-30 AT AT0907802U patent/AT7322U1/de not_active IP Right Cessation
  • 2002-08-30 US US10/488,690 patent/US20040244297A1/en not_active Abandoned
  • 2002-08-30 RU RU2004110623/22U patent/RU42638U1/ru active
  • 2002-08-30 CZ CZ200415277U patent/CZ14691U1/cs not_active IP Right Cessation
• 2004
  • 2004-03-06 DK DK200400082U patent/DK200400082U3/da not_active IP Right Cessation

Non-Patent Citations (1)

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