EP3974751B1 - Tür für ein haushaltskältegerät mit einer spezifischen kopplung zwischen einer aussenwand und einer endleiste, sowie haushaltskältegerät mit einer solchen tür - Google Patents

Tür für ein haushaltskältegerät mit einer spezifischen kopplung zwischen einer aussenwand und einer endleiste, sowie haushaltskältegerät mit einer solchen tür

Info

Publication number
EP3974751B1
EP3974751B1 EP21197049.6A EP21197049A EP3974751B1 EP 3974751 B1 EP3974751 B1 EP 3974751B1 EP 21197049 A EP21197049 A EP 21197049A EP 3974751 B1 EP3974751 B1 EP 3974751B1
Authority
EP
European Patent Office
Prior art keywords
wall
door
strip
viewed
edge
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.)
Active
Application number
EP21197049.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3974751A1 (de
Inventor
Jürgen DIEBOLD
Yannic Hiller
Simon HILLMANN
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
BSH Hausgeraete 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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3974751A1 publication Critical patent/EP3974751A1/de
Application granted granted Critical
Publication of EP3974751B1 publication Critical patent/EP3974751B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/30Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2201/00Insulation
    • F25D2201/10Insulation with respect to heat
    • F25D2201/12Insulation with respect to heat using an insulating packing material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • F25D23/028Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/18Aesthetic features

Definitions

  • the door has an outer wall.
  • the outer wall has a front wall and side wall strips molded onto it and projecting from it at an angle.
  • Each side wall strip has an end facing away from the front wall. This end facing away from the front wall has a recurved section. This section forms a snap-fit element for engaging with an end strip of the door.
  • the door also has an end strip separate from the outer wall. This end strip closes off the door vertically.
  • the end strip has a counter-snap element for engaging with the snap-fit element.
  • Another aspect of the invention relates to a household refrigerator with a door.
  • Doors for household refrigeration appliances that have such an outer wall and an end strip are known from the prior art.
  • it is known from the DE 10 2008 021 345 A1
  • Such a door is known.
  • Its outer wall is made of sheet metal and has a front panel. Formed integrally with this front panel, but set off at the edges by a bend and projecting backwards, are outer wall side sections.
  • such an outer wall side section has a U-shaped, bent section. When assembled, this section acts as a snap-in element. This bent section snaps into place behind a locking hook.
  • This locking hook is integrally formed with a connecting piece.
  • This connecting piece forms an end strip of the door.
  • Doors for household appliances are known to be made up of several parts.
  • this bent section is relatively short and cantilevers freely. This makes it relatively easy for it to become deformed undesirably. This could negatively affect the snap connection with the locking hook.
  • the outer wall side section is located precisely in this area, which is...
  • the locking hook is opposite or immediately adjacent, single-walled, and without any further support. This also impairs stability.
  • the object of the present invention is to create a door for a household refrigeration appliance in which the mechanical coupling between an outer wall and a separate end strip is improved.
  • the invention relates to a door according to claim 1 for a household refrigeration appliance.
  • the door has an outer wall.
  • This outer wall has a front wall and at least one side wall strip molded onto it laterally and projecting from it at an angle.
  • the side wall strip has an end facing away from the front wall.
  • This end has a folded-back section.
  • folded-back means that this section is oriented towards the front wall.
  • This folded-back section is a snap-in element.
  • This snap-in element is designed to snap into an end strip of the door.
  • the door also has this end strip.
  • the end strip is a component of the door separate from the outer wall. The end strip closes off the door in the vertical direction.
  • the end strip has a counter-snap element.
  • the counter-snap element is designed to snap into the snap-in element.
  • the end strip has an integrated mounting aid area. This mounting aid area is thus formed integrally with the end strip.
  • This assembly aid area has a sloping wall which, when the outer wall is joined with the end strip, is designed to automatically bend the side wall strip elastically outwards in the width direction (x).
  • This inclined wall is thus intended and defined to deflect this side wall strip in a defined manner when the aforementioned components are assembled as intended.
  • this side wall strip is defined and intended to move outwards in the width direction of the door.
  • the end strip also has a contact wall. Viewed in the depth direction of the door, this contact wall is formed in line between the inclined wall and the catch element. The side wall strip rests against this contact wall.
  • the inner surface of the side wall strip is directly and evenly connected to the end strip between the outer wall and the end strip.
  • This design of the outer wall and end strip allows for very simple mechanical assembly.
  • the mechanical connection between the outer wall and the end strip is particularly stable. Specifically, the desired deformation of the side wall strip can be achieved very precisely and accurately. Moreover, the assembled final state is then secure and stable against deformation.
  • the side wall strip is positioned to be more rigid and is arranged accordingly with respect to the end strip.
  • the base wall and the inclined wall do not lie in a common plane.
  • the base wall and the inclined wall are oriented at an angle greater than 0°, and in particular at least greater than 5°, to each other.
  • the outer wall is arranged without contact to the inclined wall.
  • the geometric specification of the end strip facilitates and guides the passage of the side wall strip along this component chain of the end strip. Furthermore, in the assembled state, this design ensures a very stable and large-area contact and direct connection between the side wall strip and the end strip in this assembly aid area. This is particularly advantageous because the door is filled with a thermally insulating material, specifically insulating foam, in the space between the outer wall and an inner lining.
  • the aforementioned design of the door in the area of the outer wall and the adjacent end strip also effectively prevents the thermally insulating foam from escaping unintentionally at this interface between the outer wall and the end strip.
  • these sections of the end strip are arranged in a specific, sequential sequence. This allows for improved and simpler installation and, in the final installed state, a more stable and secure connection between the outer wall and the end strip.
  • the mounting wall viewed in the depth direction of the door, abuts the sloping wall at one edge. Also viewed in this depth direction, the mounting wall abuts the locking element at a second, opposite edge.
  • the sloping wall and the locking element are directly adjacent to the mounting wall.
  • This positioning of the aforementioned components allows for the improved and easier assembly mentioned above, as well as the improved final position of the components relative to each other.
  • the sloping wall viewed vertically from the door, terminates with a first edge that is closer to an end flange of the end strip than a second edge of the sloping wall, which is set back from an end flange of the end strip.
  • This design effectively sets the sloping wall back vertically from the actual end of the end strip as viewed in this vertical direction. This creates space between the sloping wall and this actual end of the end strip, allowing for an additional section of the end strip. This is particularly advantageous for further stabilizing the outer wall against the end strip. It is especially beneficial because the sloping wall does not form the outermost vertical end of the end strip, thus preventing an undesirable gap between the outer wall and the end strip in the assembled final state of the components.
  • the aforementioned advantageous embodiment also provides improved foam sealing at this interface between the outer wall and the end strip.
  • a further contact wall of the end strip is formed between an end edge of the sloping wall facing the end web and the end web itself.
  • This further contact wall is designed to ensure that the side wall strip, in its assembled final state, aligns with the The end strip rests directly against the end strip. This creates a particularly tight foam seal at this vertically formed end between the outer wall and the end strip.
  • the additional wall is L-shaped. It has a partial front surface, meaning it is flat towards the front. This front surface extends in a plane defined by the height and width of the door. When installed between the outer wall and the end strip, the front of the outer wall rests directly against this front surface with its back or inner surface.
  • the additional wall provides a contact strip against which, when viewed in the direction of rotation around the vertical axis, the outer wall rests continuously with the inner surface of the front wall and the inner surface of the side wall strip when the final installed state is reached.
  • the end strip has a further contact surface.
  • this side wall strip rests directly and flush against the outer wall with the end strip.
  • This further contact surface is formed as an additional front surface.
  • This further contact surface is directly adjacent to the front surface of the first contact surface.
  • the contact surface, the further contact surface, and the further contact surface form a U-shaped surface frame around the sloping wall.
  • the inside of the outer wall rests directly and without interruption against this U-shaped surface frame, particularly across its entire surface.
  • the assembly aid area surrounded by the U-shaped surface frame is spaced apart from the inside of the outer wall.
  • This U-shaped surface frame advantageously creates a foam-tight interface between the outer wall and the end strip at this local point, thus preventing the escape of insulating foam.
  • the outer wall is pressed firmly against this U-shaped surface frame.
  • it is not just a simple matter that is envisaged, but This achieves a tight, pressed-together contact, resulting in a defined, forceful pressing of the outer wall against the end strip. This further reinforces the advantages mentioned above.
  • the end strip acts as a height stop for an edge of the outer wall.
  • the end strip serves as a stop for an edge of the outer wall. This allows for particularly precise positioning between the outer wall and the end strip in this vertical direction, achieving a highly accurate alignment.
  • the end web is formed with a front section when viewed in the depth direction of the door.
  • This front section is formed at a first level when viewed in the height direction of the door.
  • This second section is formed as a sloping step when viewed in the height direction of the door. This sloping step serves as a stop for a stepped edge of the side panel strip.
  • This stepped design creates a complementary shape between the two components, ensuring a flush and uninterrupted fit.
  • this shape of the angled step, with its stepped edge allows for easy joining.
  • This linear joining path prevents the edges of the outer wall and the end piece from butting against each other.
  • the sloping wall viewed in the vertical direction of the door, has a second edge.
  • This second edge is located further away from an end web of the end strip than a first edge of the sloping wall.
  • the second edge is oriented obliquely in the vertical direction of the door. This also improves the joining process in a linear direction. Unwanted impact of a The bending structure, which is formed on the side wall strip and is intended to be guided past the sloping wall during assembly, is thereby improved and avoided.
  • This bending structure is in particular a damask structure formed in one piece with the side wall strip.
  • this bending structure is designed to improve the positioning between the end strip and the outer wall in the assembled final state.
  • the side wall strip has a terminating edge when viewed vertically from the door.
  • This edge has a first, front section when viewed vertically from the door, which is formed at a first level when viewed vertically from the door.
  • a second section of this edge located at the rear when viewed vertically from the door, abuts the first section.
  • This second section is formed as a sloping step when viewed vertically from the door. This allows the second section of the edge to pass the first section of the end strip at a distance when the end strip is joined to the outer wall as intended, particularly in a linear fashion. This enables a particularly simple, jam-free, and precise assembly of the two components together.
  • the bent-back section of the side wall strip which forms the snap element, is bent towards the side wall strip.
  • a double wall, tapering towards the front wall is formed by the side wall strip and the bent-back section.
  • the snap element can thus achieve improved engagement with the counter-snap element. This results in a better and more stable snap-fit connection between the components.
  • the positionally fixed state between the outer wall and the end strip is thereby improved.
  • the snap element then makes contact with the counter-snap element over a larger area on its outer surface. It no longer makes contact with the counter-snap element with a thin free edge representing the material thickness of the bent section.
  • the side wall strip adjacent to the snap-in element viewed in the vertical direction, has a multiply curved cross-section.
  • This structure, or curved structure has an integrated contact element in addition to the snap-in element. This structure achieves improved, position-fixed positioning of the end strip relative to the outer wall. The improved multidimensional position fixation is thus achieved.
  • the end strip has an L-shaped contact area adjacent to the sloping wall when viewed vertically along the door. In the fully assembled state, the end strip rests against the outer wall on one side of this contact area and on the other side. Vertically, the contact area is shorter than the snap element. It does not extend vertically into the section of the height where the mounting aid area is located. Therefore, vertically, this contact area ends before this mounting aid area. Consequently, the contact area is not designed to overlap the sloping wall of the mounting aid area.
  • the door features a foam-filled cavity.
  • This cavity is at least partially filled with a thermally insulating material, in particular insulating foam.
  • the end strip can be either an upper or a lower end strip when viewed vertically.
  • the end strip is connected to the outer wall without any additional separate fasteners, such as screws or the like.
  • the end strip when viewed vertically, has an L-shaped contact area adjacent to the mounting aid area.
  • This L-shaped contact area has contact surfaces for the snap-in element on one side and for the contact element of the bending structure on the other. In cross-section, the contact surface is doubly bent. In particular, a compressed S-shape is realized in this respect.
  • the household refrigeration appliance can be a refrigerator, a freezer, or a fridge-freezer combination appliance.
  • the household refrigeration appliance has a housing in which at least one The appliance is designed as a storage compartment for food. This compartment is bounded by the walls of an inner container within the household refrigeration appliance.
  • the storage compartment can be a refrigerator compartment or a freezer compartment.
  • the door is hinged to the housing and is designed to close the storage compartment.
  • top, bottom, front, bottom, horizontal, vertical, depth, width, “height”, etc. indicate the positions and orientations given when the door or device is used and positioned as intended.
  • FIG. 1 A household refrigeration appliance 1 is shown in a schematic diagram.
  • the household refrigeration appliance 1 has a housing 2.
  • the housing 2 contains at least one storage compartment 3 for food. This can be a refrigerator compartment or a freezer compartment.
  • the household refrigeration appliance 1 further comprises a door 4 according to claim 1.
  • the door 4 is arranged in the housing 2 in a manner that allows it to be moved, in particular pivoted.
  • Door 4 has an inner lining 5. When door 4 is closed, the inner lining 5 faces the receiving chamber 3. Door 4 also has an outer wall 6. A thermally insulating material 8, in particular insulating foam, is inserted into a foam area or space 7 between the outer wall 6 and the inner lining 5.
  • FIG. 2 Figure 1 shows an embodiment of the door 4 according to claim 1.
  • the outer wall 6 has a front wall 9.
  • the front wall 9 is the front-facing, plate-like part of the outer wall 6. It faces forward in this respect.
  • the outer wall 6 has side wall strips 10 and 11 projecting at an angle to the front wall 9. These are formed at opposite ends of the front wall 9 in the width direction.
  • the outer wall 6 is preferably formed in one piece from sheet metal. These side wall strips 10 and 11, which extend particularly over the entire height (height direction corresponds to the y-direction) of the outer wall 6, are angled backward in the depth direction (z-direction). In this respect, they form narrow side edges.
  • Door 4 also has an end strip 12.
  • the end strip 12 is made of plastic. It is made of a single piece.
  • the end strip 12 is a separate component from the outer wall 6.
  • the end strip 12 is also The interior trim 5 is formed separately.
  • This end strip 12 closes the gap 7 in the vertical direction of the door 4.
  • the end strip 12 shown here closes this gap 7 at the top.
  • the door 4 has a further end strip 13. This closes the door 4 at the bottom in the vertical direction. Additionally, it may be provided that the end strip 12 and/or 13 are covered by an additional cover, not shown here.
  • Fig. 3 Is the door 4 according to claim 1 in a Fig. 2 shown from a different perspective, namely with a view of the interior trim 5.
  • this upper end strip 12 has an upwardly projecting rib 14.
  • This rib 14 is a pocket in which a magnet is held. This magnet serves to detect whether the door 4 is open or closed.
  • FIG. 4 An embodiment of the end strip 12 is shown in a perspective view.
  • the end strip 12 has a central beam 15. Viewed in the direction of a longitudinal axis A of this central beam 15, it has a first end 16 and an opposite second end 17.
  • the longitudinal axis A is oriented in the width direction (x-direction). The considerations in this regard are defined with the door 4 closed.
  • a first coupling area 18 is formed for coupling with the outer wall 6 at the central beam 15.
  • a further coupling area 19 is formed for coupling with the outer wall 6.
  • this coupling area 19 has an integrated assembly aid area.
  • the assembly aid area 20 has a sloping wall 21. This is designed and positioned and oriented so that when the outer wall 6 is joined with the end strip 12, the side wall strip 11 automatically bends laterally outwards in the width direction. This side wall strip 11 is positioned directly at this end 17 when the outer wall 6 is arranged as intended.
  • the end strip 12 has a contact wall 22 in this coupling area 19.
  • This contact wall 22 is formed in the depth direction (z-direction) between the sloping wall 21 and a counter-snap element 23 of the end strip 12.
  • the counter-snap element 23 is integrated into this coupling area 19.
  • the counter-snap element 23 is designed to snap into place.
  • the side wall strip 11 is provided with a snap-in element.
  • the mounting wall 22 is designed for direct, flat contact of the side wall strip 11 with the end strip 12 in the assembled final state of the outer wall 6. It is also intended for this purpose.
  • this assembly aid area 20 comprising this inclined wall 21, followed directly by the support wall 22, and again directly following that by the counter-snap element 23.
  • the counter-snap element 23 is thus spaced apart from the inclined wall 21 by the support wall 22.
  • the inclined wall 21 is arranged at an angle to the plane defined by the vertical and horizontal directions.
  • the inclined wall 21 is arranged inclined to the plane spanned by the vertical and horizontal directions.
  • the surfaces of the inclined wall 21 and the support wall 22 are not in the same plane. They are oriented at an angle greater than or equal to 5° to each other.
  • the support wall 22 can extend in the plane with its surface spanned by the vertical and horizontal directions.
  • this coupling area 19 has an end web 24.
  • This end web 24 projects laterally and forwards.
  • the inclined wall 21 has a first edge 21a. This first edge 21a is closer to this end web 24 in this vertical direction than an opposing second edge 21b of this inclined wall 21.
  • the first edge 21a is positioned at a distance from the end web 24 when viewed in the vertical direction.
  • a further support wall 25 is formed between the end web 24 and this first edge 21a.
  • the end web 24 projects laterally and forwards in a horizontal plane defined by the width and depth directions relative to this further support wall 25. In this respect, this end web 24 also forms a stop in the vertical direction for an edge of the outer wall 6.
  • This additional wall 25 is designed to directly abut the outer wall 6, in particular the front wall 9 and the side wall strip 11.
  • the sloping wall 21 thus ends, viewed vertically, set back from the end web 24 of the end strip 12.
  • the wall 22 borders, viewed in the depth direction, with a first edge 22a ( Fig. 5 ), which in this respect is a front edge, directly against the sloping wall 21. With a second edge 22b opposite in the depth direction ( Fig. 5 ), which in this context is a rear edge, the mounting wall 22 directly abuts the counter-snap element 23.
  • the counter-snap element 23 is a step or offset that is engaged or latched behind by the snap element on the outer wall 6, especially the side wall strip 11.
  • this additional wall 25 is L-shaped.
  • This further wall section 25 is thus formed with a section 25a as the front surface, which is therefore arranged at the end and oriented forward when viewed from the front.
  • this section 25a the inside of the front wall 9, when assembled, rests directly against the end strip 12 of the outer wall 6.
  • this coupling area 19 is provided with an additional contact wall 26.
  • This wall is also designed for direct, flat contact of the inside of the side wall strip 11 with the end strip 12 in the assembled final state.
  • the additional contact wall 26 is specifically formed as an additional front surface. It terminates directly at the front surface or sub-area 25a of the additional contact wall 25.
  • the mounting wall 22, the further mounting wall 25, and the further mounting wall 26 form a U-shaped surface border around the sloping wall 21.
  • This U-shaped surface border is rotated 180° at the upper end strip 12, thus forming a downward-facing U.
  • this specific assembly aid area 20, with its defined and locally specified inclined wall 21, enables a particularly advantageous assembly scenario for the outer wall 6.
  • the side wall strip 11 is automatically made direct contact with the inclined wall 21 during assembly and is automatically bent elastically outwards. As it is further brought together in the depth direction of the inclined wall 21, it spreads outwards, overlaps the inclined wall 21, and reaches the support wall 22. There, it is also pushed along until its snap element, which is integrally formed and integrated into the side wall strip 11, engages the counter-snap element 23.
  • the side wall strip 11 is slightly pre-tensioned and bent outwards relative to its initial position, so that a counter-force or clamping force acts on the support wall 22 in this lateral direction.
  • the sub-area 25a also extends over the entire length of the central beam 15 measured in the direction of the longitudinal axis A and transitions seamlessly into a corresponding sub-area at the further coupling area 18.
  • the end web 24 has a front section 24a when viewed in the depth direction. This section is formed at a first level when viewed in the height direction. Also viewed in the depth direction, this end web 24 has a rear, second section 24b. This section borders directly on the first, front section 24a.
  • the second section 24b is formed as an inclined step when viewed in the height direction. This inclined step serves as a stop for a stepped edge area of the edge of the side wall strip 11.
  • the second edge 21b of the sloping wall 21 is oriented obliquely in the vertical direction. It therefore does not lie in a horizontal plane spanned by the width and depth directions.
  • FIG. 5 The outer wall 6 with the side wall strip 11 is shown in a partial view and in side view. Furthermore, the end strip 12 with the coupling area 19 is shown.
  • FIG. 6 This side view shows a first assembly state in which the outer wall 6 is arranged specifically to the end strip 12 according to a linear assembly direction P, which represents a joining process.
  • a snap element 27 ( Fig. 7 ) the outer wall 6 is already in direct mechanical contact with the sloping wall 21. However, no elastic deformation or outward bending has yet occurred.
  • each side wall strip 11 exhibits the same intermediate assembly state, it has a bent-back section 28 at one end 12a facing away from the front wall 9.
  • This bent-back section 28 forms the snap element 27.
  • This snap element 27 is, as shown in Fig. 8 It can be seen that, with its bent-back section 28, it is not parallel to the side wall strip 11 over its entire extent, but rather, as the section 28 approaches the front wall 9, it is increasingly closer to the inside of the side wall strip 11. bent towards the front wall 9. This creates a tapered effect on the double-wall structure.
  • the counter-snap element 23 is a corresponding step. This allows the snap element 27 to bear against the counter-snap element 23 with an outer side of the section 28. A spring-loaded snap-fit is thus achieved.
  • the side wall strip 11 has an upper, closing edge 29 when viewed in the vertical direction.
  • This edge 29 has a first section 29a that is forward when viewed in the vertical direction. This section is formed at a first level when viewed in the vertical direction.
  • a second section 29b that is rearward when viewed in the vertical direction, directly adjoins the first section 29a, and which is formed as an inclined step when viewed in the vertical direction, is provided for complementary engagement and joining with the end web 24.
  • this specific geometry of the edge 29 in the joining direction P ensures that the second section 29b of the edge 29 passes the first section 24a of the end web 24 at a distance during the intended joining of the end strip 12 with the outer wall 6.
  • This specific shaping of the edge 29 prevents the first part of the side edge strip 11, which faces the end strip 12 in the direction P and especially the coupling area 19, from coming into contact with the end web 24, particularly the front first section 24a. This avoids unwanted jamming, rubbing, or scratching of the snap element 27.
  • FIGs. 5 to 8 The intermediate assembly state shown also achieves the condition that, due to the inclined design of the second edge 21b of the inclined wall 21, a further bending structure 30, which is integrally formed on the side wall strip 11, can pass by without contact.
  • This bending structure 30 ends directly at the snap element 27 or at its end facing the front wall 9.
  • this bending structure 30 is formed in particular as a compressed S. It is positioned in particular at an angle of 90° to the Snap element 27. This is particularly evident according to the illustration in Fig. 8 in a horizontal plane spanned by the x-direction and the z-direction.
  • This bending structure 30, which is a multiply bent structure, thus creates an integrated design with the snap element 27 and an integrated contact element 31.
  • this integrated contact element 31 is designed to rest against a contact area 32 ( Fig. 6 ) provided.
  • This contact area 32 is specifically L-shaped.
  • the integrated contact element 31 rests against the contact area 32 at its front.
  • the snap element 27 then rests against the further contact area 33.
  • the L-shape is formed by the contact areas 32 and 33.
  • the bending structure 30 extends only backwards compared to the snap element 27, so that, viewed in the vertical direction, the bending structure 30 is not present in the area of the assembly aid area 20 and only the bent-back section 28 and thus the snap element 27 is present there.
  • the bending structure 30 is therefore not overlapping with the assembly aid area 20.
  • the sloping wall 21 is arranged at a distance from the side wall strip 11. Furthermore, according to Fig. 11 It can also be seen that the contact element 31 rests directly against the contact area 32. Furthermore, the snap element 27 is snapped into place and laterally against the counter-snap element 23, and also against the contact area 33. The snap element 27 does not rest with a free edge (referring to the material thickness) of its section against the counter-snap element 33.
  • Fig. 12 The assembled final state between the outer wall 6 and the end strip 12 is shown in perspective and, in particular, transparent representation according to Fig. 11 shown.

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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)
  • Refrigerator Housings (AREA)
EP21197049.6A 2020-09-29 2021-09-16 Tür für ein haushaltskältegerät mit einer spezifischen kopplung zwischen einer aussenwand und einer endleiste, sowie haushaltskältegerät mit einer solchen tür Active EP3974751B1 (de)

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