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EP3589810B1 - Système de porte pour un appareil de froid - Google Patents

Système de porte pour un appareil de froid Download PDF

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Publication number
EP3589810B1
EP3589810B1 EP18708406.6A EP18708406A EP3589810B1 EP 3589810 B1 EP3589810 B1 EP 3589810B1 EP 18708406 A EP18708406 A EP 18708406A EP 3589810 B1 EP3589810 B1 EP 3589810B1
Authority
EP
European Patent Office
Prior art keywords
refrigerator
door
refrigerator door
spring element
opening angle
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
EP18708406.6A
Other languages
German (de)
English (en)
Other versions
EP3589810A1 (fr
Inventor
Erik Möller
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.)
Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH
Original Assignee
Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH
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Publication date
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Publication of EP3589810A1 publication Critical patent/EP3589810A1/fr
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Publication of EP3589810B1 publication Critical patent/EP3589810B1/fr
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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
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
    • E05C17/24—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod pivoted at one end, and with the other end running along a guide member
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/06—Devices for limiting the opening movement of hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/18—Hinges with pins with two or more pins with sliding pins or guides
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1091—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a gas spring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/14—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with double-acting springs, e.g. for closing and opening or checking and closing no material
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/02—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with pneumatic piston brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/56—Suspension arrangements for wings with successive different movements
    • E05D15/58—Suspension arrangements for wings with successive different movements with both swinging and sliding movements
    • E05D2015/586—Suspension arrangements for wings with successive different movements with both swinging and sliding movements with travelling hinge parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING 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
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/024—Door hinges

Definitions

  • the present invention relates to a door system for a refrigerator and a refrigerator with such a door system.
  • Door systems for refrigeration appliances typically comprise at least one refrigeration door, which can be pivotally mounted on a refrigeration appliance using an associated bearing arrangement.
  • the refrigeration door can be pivoted about a substantially vertically oriented pivot axis between a closed position, in which the refrigeration appliance is essentially closed by the refrigeration door, and an open position, which allows access to the interior of the refrigeration appliance.
  • Such door systems or refrigeration doors are also referred to as vertical door systems or vertical refrigeration doors.
  • the refrigerator door In its open position, the refrigerator door should allow the easiest possible access to the interior of the refrigerator. Ideally, goods can then be quickly and easily inserted and/or removed from the interior. In its closed position, the refrigerator door should seal off the interior of the refrigerator in such a way that any thermal losses are minimized. For example, the refrigerator door then closes off the interior of the refrigerator in such a way that essentially no cold air can escape through an access opening.
  • a door system for refrigerators therefore has two main functions: firstly, it should allow easy access to the interior and secondly, it should increase the energy efficiency of the refrigerator.
  • a simple, vertically pivoting refrigerator door can be inadvertently left open after goods have been removed and/or inserted.
  • the refrigerator door can no longer perform its insulating function, and the energy efficiency of the refrigerator is correspondingly reduced, for example because cooled air escapes.
  • self-closing refrigerator doors are sometimes provided. These are mounted, for example, on an inclined plane, which causes the refrigerator door to automatically return from an open to the closed position.
  • the disadvantage of such a door system is the large amount of space required for a appropriate storage.
  • the automatic closing can hinder the removal and/or insertion of goods.
  • the state of the art includes the
  • the object of the present invention is therefore to provide a door system for a refrigeration device that allows particularly easy insertion and/or removal of goods into the interior of the refrigeration device while simultaneously ensuring particularly high efficiency of the refrigeration device. Furthermore, the object of the present invention is to create a refrigeration device in which these advantages are also realized.
  • a first aspect of the invention relates to a door system for a refrigeration appliance according to claim 1.
  • the door system comprises at least one refrigeration appliance door and an associated bearing arrangement.
  • the bearing arrangement is suitable for pivotally mounting the refrigeration appliance door on a refrigeration appliance such that the refrigeration appliance door can be pivoted about a substantially vertically oriented pivot axis between a closed position, in which the refrigeration appliance is closed by the refrigeration appliance door, and an open position, which allows access to the interior of the refrigeration appliance, wherein the refrigeration appliance door defines an opening angle relative to the refrigeration appliance.
  • the door system comprises at least one spring element connected to the refrigeration appliance door and suitable for engaging with the refrigeration appliance such that the refrigeration appliance door is pressed into the closed position by the spring element when the opening angle is smaller than a first limit angle, and is pressed into the open position by the spring element when the opening angle is greater than a second limit angle.
  • the refrigerator door closes automatically when the opening angle is smaller than a first limit angle. If it is only partially opened, i.e. By opening the door with an opening angle smaller than the first limit angle, for example, a supermarket customer can easily remove individual items from the refrigerator, while at the same time ensuring that the refrigerator then closes again and the interior, i.e. the cooled interior of the refrigerator, is sealed again to ensure particularly low energy consumption and to maintain the cooled interior temperature.
  • the first and second limiting angles are preferably identical, so that the refrigerator door is pushed into the closed position by the spring element when the opening angle is smaller than the first limiting angle, and is pushed into the open position by the spring element when the opening angle is larger than the first limiting angle.
  • the first limiting angle can also be smaller than the second limiting angle. If there is a difference between the first limiting angle and the second limiting angle, there can in particular be a certain angular range of the opening angle in which the refrigerator door does not open and/or close automatically. This angular range can also be technically determined by friction in the bearing arrangement and/or a lever arm of the spring element.
  • the difference between the second and first limiting angles is preferably less than 20°, more preferably less than 10°, and particularly preferably less than 5°.
  • the first critical angle is preferably greater than 60°, more preferably greater than 70°, and particularly preferably greater than 80°.
  • the second critical angle is preferably less than 120°, more preferably less than 110°, and particularly preferably less than 100°. In a particularly preferred embodiment, both the first and the second critical angle lie in the interval [80°, 100°], preferably in the interval [85°, 95°].
  • the opening angle is preferably at least 90°, more preferably at least 100°, and particularly preferably at least 110°. However, for directly adjacent doors, the open position can also be defined by an opening angle of less than 90°, for example, 85°.
  • the refrigerator door preferably has a main extension plane that is substantially parallel to the pivot axis.
  • the main extension plane can thus be formed by the pivot axis and a direction perpendicular to the pivot axis.
  • the pivot axis can also deviate slightly from a vertical line, for example, by 0.5°-3°, and the refrigerator door can also have a certain curvature.
  • a flat refrigerator door and a vertical pivot axis are particularly preferred.
  • the refrigeration device with a door system can, for example, be a refrigerator, a cold storage room, and/or a refrigerated shelf, in particular a professional refrigeration device for retailers of refrigerated goods, for example, for a supermarket.
  • the refrigeration device door is preferably transparent at least in some areas, in particular see-through, and can also be referred to simply as a door below.
  • the refrigeration device door can, for example, be designed as a glass or plastic door. As a result, goods stored in the refrigeration device behind the refrigeration device door can be visible from the outside even when the door is closed.
  • the refrigeration device door can have an insulating function; in particular, respective sealing elements, for example in the form of sealing lips, can be provided on a contact surface of the refrigeration device door with the refrigeration device.
  • the refrigeration device door can, for example, have multiple glazing, wherein an insulating gas can be provided in a space between the respective glass layers.
  • the door system according to claim 1 can, for example, also be designed as a double-door system, in which two refrigeration device doors are arranged horizontally next to one another, wherein the respective pivot axis is preferably arranged on a side facing away from the adjacent pivot door.
  • the door system can comprise a plurality of refrigerator doors.
  • the respective refrigerator door can be rotated exclusively around its pivot axis for opening and/or closing.
  • embodiments can also be provided in which the refrigerator door rotates around its pivot axis for opening and/or closing and also performs a translational movement, thus opening and/or closing an access opening particularly wide.
  • An access opening of the refrigeration device can be delimited at least in part by a frame element which is connected or connectable to the rest of the refrigeration device housing.
  • the door system can be attached to the refrigeration device housing particularly easily using this frame, for example by attaching the bearing arrangement to the frame.
  • the door system can also be attached directly to the refrigeration device housing using the bearing arrangement.
  • the bearing arrangement can be covered by the frame of the refrigeration device and/or by other elements, in particular additional panels. This can protect the bearing arrangement from dirt.
  • the bearing mechanism of the door system can be concealed from users of the refrigeration device by means of respective cover elements, thus creating a particularly high-quality impression.
  • the closed position of the refrigerator door can be defined by the refrigerator door resting against the refrigerator, in particular a housing of the refrigerator, and the concomitant closing of the interior of the refrigerator.
  • the open position can be defined by the refrigerator door being automatically pushed into the position by the spring element without the application of further forces, if the door was previously at an opening angle greater than the second limit angle. If appropriate, it can be provided that the refrigerator door can be opened further manually.
  • the opening angle of the refrigerator door can be defined in particular by an angle between a main extension plane of the refrigerator door and a side of the refrigerator facing the refrigerator door.
  • the side of the refrigerator facing the refrigerator door can in particular also correspond to a plane defined by an access opening to the interior of the refrigerator.
  • the opening angle can therefore also be formed by an angle between the main extension plane of the door and a main extension plane of the access opening.
  • the opening angle is preferably at least 90°, more preferably at least 100°, and particularly preferably at least 110°.
  • the open position can also be defined by an opening angle of less than 90°, for example 85°.
  • the door system can be designed such that the spring element presses the refrigerator door into the open position at an opening angle of 90° to 120°. At an opening angle of less than, for example, 90° to 0°, the refrigerator door is pushed into the closed position (with an opening angle of 0°) by the spring element.
  • an opening angle of 0° corresponds to the closed position of the refrigerator door; the refrigerator door then rests against it and seals the refrigerator.
  • the spring element is preferably designed and mounted in such a way that it still exerts a closing force on the refrigerator door in the closed position to ensure that the refrigerator door remains closed.
  • the force exerted by the spring element on the refrigerator door is designed to account for the weight of the refrigerator door and the frictional forces that occur during pivoting.
  • the spring element is preferably capable of exerting a force in the range between 20 N and 80 N, preferably between 30 N and 60 N.
  • the spring element is provided with a gas pressure spring.
  • the spring element can be designed as a gas pressure spring.
  • the gas pressure spring can also be referred to as a gas spring.
  • a gas pressure spring can provide a high force for pushing the door into the closed and/or open positions in a particularly space-saving manner.
  • a gas pressure spring is low-wear and forms a closed spring system. This makes it particularly difficult for users of the refrigerator to intervene in the mechanics of the bearing arrangement. In particular, it is difficult for users to pinch their fingers, as is easily possible with a coil spring, for example.
  • the door system further comprises an eccentric element, by means of which the spring element is connected to the refrigerator door.
  • the spring element can be fastened to the refrigerator door by means of the eccentric element at a distance from the refrigerator door and in particular to its pivot axis.
  • This spacing is preferably in a plane perpendicular to the main extension plane of the refrigerator door and/or the pivot axis, which can also be referred to as a horizontal plane.
  • a door-side end of the spring element can therefore be connected to the refrigerator door by means of an eccentric element.
  • This allows for the provision of a lever arm, by means of which the pressing of the refrigerator door into the closed position and/or into the open position can be effected by the spring element with a particularly low force.
  • This allows the spring element to be particularly small and cost-effective.
  • by means of an angle in the horizontal plane between the The first limit angle and the second limit angle can simply be determined from the eccentric element and the main extension direction of the refrigerator door.
  • the orientation of the eccentric element relative to the refrigerator door is adjustable in order to define the first limit angle and/or the second limit angle. This allows for particularly quick and easy adjustment of the opening angles at which the refrigerator door automatically closes and/or opens. This allows the door system to be adapted to the specific boundary conditions of the intended location of the refrigerator, for example, to take into account obstacles in the opening area of the refrigerator door.
  • the adjustment is achieved by changing an angle between the eccentric element and the refrigerator door in the horizontal plane.
  • the angle can be defined in particular between the main extension plane of the refrigerator door and by an imaginary line between a fastening point of the spring element with the eccentric element and the pivot axis.
  • adjustability can also be achieved by replacing the eccentric element, which then has a different length and/or shape.
  • the door system according to the invention as claimed in claim 1 comprises at least one limiting element, by means of which the opening angle of the refrigerator door is limited to a maximum opening angle.
  • the limiting element can be designed, for example, as a stop.
  • the maximum opening angle and/or the opening angle in the open position can be easily adapted to the respective conditions of the planned location of the refrigerator. For example, a smaller opening angle can be provided as the open position if the refrigerator is to be installed in a corner of a room.
  • adjacent refrigerators in which the respective refrigerator doors move towards each other when opened, it can be provided that these cannot collide with each other in the open position or at their maximum opening angle.
  • the maximum opening angle is adjustable.
  • the limiting element comprises an adjustment element, in particular a screw element, by means of which the maximum angle can be adjusted.
  • the limiting element can be a screw rod whose length can be changed by screwing two respective screw elements together or apart.
  • a limiting element designed as a stop can be attached to the refrigerator door and/or the refrigerator so that its position can be changed. This allows the door system to be adapted particularly easily and quickly to the respective conditions of the planned location.
  • the limiting element is designed as a coupling rod with a first end and an opposite second end, wherein the first end of the coupling rod is connected to the refrigerator door and the second end of the coupling rod is suitable for engaging with the refrigerator.
  • This allows the refrigerator door to be mounted on the refrigerator in the manner of a three-point bearing.
  • the refrigerator door is thus supported not only on the pivot axis, but also additionally by the limiting element.
  • the limiting element thus functions not only as a stop, but also as additional support for the door.
  • the door system in particular its bearing arrangement, can thus be particularly compact and robust.
  • the coupling rod can be designed as a straight, continuous, and uniform element, making it particularly robust and cost-effective.
  • the coupling rod is actually just a continuous rod with two fastening options at its respective ends.
  • the coupling rod can also consist of several elements, for example two Pivotable angle pieces. This type of design is particularly compact.
  • the first end of the coupling rod is rotatably connected to the refrigerator door, and the second end of the coupling rod is suitable for being received in a sliding and rotatable manner in a guide rail.
  • the guide rail can in particular be a guide rail of the refrigerator, which can also be integrated, for example, into a frame of the refrigerator.
  • the first end of the coupling rod can be received in a sliding and rotatable manner in a guide rail of the refrigerator door, and the second end of the coupling rod can be suitable for being rotatably mounted on the refrigerator. Both variants represent particularly compact yet simple designs for the limiting element.
  • the first alternative with the rotatable connection of the coupling rod to the refrigerator door, allows for a particularly compact design, since the guide rail for the sliding reception of the second end can be integrated into the refrigerator in a particularly space-saving manner.
  • the second alternative in which the first end of the coupling rod is slidably mounted in a guide rail of the refrigerator door and the second end is rotatably attached to the refrigerator, allows for particularly simple retrofitting of an existing refrigerator with the door system.
  • the guide rail can be part of the bearing assembly and/or the refrigerator door of the door system.
  • the eccentric element 28 is designed as an elongated, flat metal element that is firmly connected to the refrigerator door 12, here, for example, by means of a double screw connection.
  • the first end 30 of the spring element 26 is rotatably mounted on the eccentric element 28. Due to the eccentric element 28, the spring element 26 is attached at a distance from the pivot axis of the refrigerator door 12 in the horizontal direction.
  • the pivot axis of the refrigerator door 12 corresponds in Figure 5 for example, approximately a screw connection 32, to which a holding element 34 is connected to the frame 16.
  • the spring element 26 is rotatably and locally fixedly connected to the frame 16 with its second, refrigerator-side end 36. Due to this attachment of the spring element 26, it exerts a closing or opening torque on the refrigerator door 12, depending on the opening angle of the refrigerator door 12. This can automatically open, hold open, and/or close the respective refrigerator doors 12.
  • the door system 10 can comprise at least one damping element for each refrigerator door 12.
  • the spring element 26, designed as a gas pressure spring can have integrated damping, which can prevent an undesired strong acceleration of the refrigerator door 12 when it automatically closes and opens. This increases the durability of the door system 10 and creates a more valuable impression for the user.
  • a damping element can also be incorporated in the Guide rail 50 and/or on the sliding head 52 or at other locations on the limiting element 44.
  • the first limit angle, below which the refrigerator door 12 closes automatically, and the second limit angle, above which the refrigerator door 12 opens automatically, can be influenced by the shape of the eccentric element 28 and its relative orientation to the refrigerator door 12.
  • the two limit angles can also be determined by the shape of the spring element 26 and/or the position of the mounting of the second end 36 of the spring element 26 on the frame 16.
  • the present example shows that the door system 10 enables a space-saving, automatic closing of the refrigerator door 12.
  • the installation space of the upper guide unit including the upper strip 18 without the refrigerator door 12 is, for example, only 28-34 mm.
  • the depth corresponds to an extension into the leaf plane according to Figure 2
  • the installation height of this unit is, for example, only 67-73 mm, with the height corresponding to an extension in the vertical direction.
  • the length of the limiting element 44 between its two pivot points is, for example, only 220-240 mm.
  • a spring element 26 capable of generating a maximum compressive force of 50 N is sufficient.
  • FIG. 13 A further position of the spring element 26 is illustrated by a dashed line 64.
  • the main direction of extension of the spring element 26 points exactly to the pivot axis of the refrigerator door 12, i.e., its first end 30 and its second end 36 form a straight line that lies on the pivot axis.
  • the compressive force generated by the spring element 26 has a lever arm of zero relative to the pivot axis of the refrigerator door 12. Accordingly, there is no opening or closing torque.
  • This position corresponds to the limit angle below which the refrigerator door 12 closes automatically and above which it opens automatically. Deviations and thus two limit angles can arise in particular due to friction and a lever arm at which there is no sufficiently large torque to overcome the respective frictional forces.
  • a second dashed line 66 illustrates Fig. 13 the door position at this limit angle, which is perpendicular to the dashed line 64 and corresponds to an opening angle which is Fig. 13 is marked by B. It is easy to see how the limit angle can be changed by the position of the eccentric element 28 and the spring element 26 relative to the pivot axis and by their respective shape.
  • the door system 10 according to claim 1 thus enables a refrigeration device in which, during normal use by an end user, high energy efficiency is ensured by a reliable closure of the interior of the refrigeration device, while at the same time a particularly convenient and quick loading and unloading of larger quantities of goods is made possible by the integrated keep-open function.
  • Figure 14 shows a perspective view of a door system for a refrigerator according to this further preferred embodiment of the present invention.
  • the refrigerator doors 12 are each mounted on their top side (indicated by the circle marked R) and on their bottom side (indicated by the circle marked S) by means of a bearing arrangement 14 to a refrigerator, of which only a portion of the frame 16 is shown.
  • Figure 17 shows in a side perspective view a door 12 of the door system according to Figure 14 with the corresponding bearing arrangements 14.
  • Figure 15 shows in a perspective view the part of the door system marked with R according to Figure 14 .
  • Figure 16 in a perspective view the part of the door system marked with S according to Figure 14 .
  • Figure 18 shows in a side perspective view the part of the door marked with T according to Figure 17.
  • Figure 19 shows in a side perspective view the part of the door marked with U according to Figure 17 .
  • the upper bearing assemblies 14 are connected to the frame 16 of the refrigerator by means of a screw connection 32 and a retaining element 34.
  • the door is rotatably mounted in a corresponding recess in the frame 16 by means of a hinge pin 68.
  • the refrigerator door 12 preferably has a center plane defined by the two outer surfaces 70 and 72.
  • the center plane is the plane (or curved surface) that has the same distance (measured perpendicular to the tangent to the plane or curved surface at the respective point) from the two outer surfaces 70 72 at all points.
  • the bearing arrangement 14 defines a pivot axis S, which is preferably offset from the center plane or center surface.
  • the distance d1 between the pivot axis and the center plane or Central area at least 3 mm, more preferably at least 5 mm, even more preferably at least 6 mm, even more preferably at least 7 mm. In the illustrated embodiment, the distance d1 is 8 mm.
  • This offset allows the refrigerator door according to the invention, in the assembled state, i.e., when pivotably mounted on a refrigerator, to have an outwardly displaced pivot or rotation axis.
  • This advantageously allows the refrigerator door to be mounted as close as possible to the front of the refrigerator without restricting its mobility.
  • the gap between the refrigerator door, on the one hand, and the front of the refrigerator, on the other hand can be made very narrow, which, among other things, makes it possible to dispense with additional sealing measures.
  • This is particularly advantageous when the refrigerator door is essentially completely transparent, i.e., when, for example, transparent spacers are located between the two transparent panes of the refrigerator door, so that the lateral edge sections of the refrigerator door are also transparent.
  • the refrigerator door 12 has a lateral plane 74 defined by the lateral end wall, and that the distance d2 between the pivot axis S and the lateral plane is at least 3 mm, more preferably at least 5 mm, even more preferably at least 7 mm, and particularly preferably at least 8 mm. In the illustrated embodiment, the distance d2 is 9.5 mm. This inward offset can also contribute to keeping the gap between the refrigerator and the refrigerator door as small as possible and, at the same time, dispense with additional measures such as rounding the lateral end wall.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Claims (15)

  1. Système de porte (10) pour un appareil frigorifique, ledit système de porte (10) comportant au moins une porte d'appareil frigorifique (12) et un dispositif de charnière (14) associé adapté pour supporter la porte d'appareil frigorifique (12) de manière pivotante sur un appareil frigorifique de sorte que la porte d'appareil frigorifique (12) puisse pivoter autour d'un axe de pivotement orienté sensiblement verticalement entre une position de fermeture, où l'appareil frigorifique est fermé par la porte d'appareil frigorifique (12), et une position d'ouverture permettant d'accéder à l'intérieur de l'appareil frigorifique, la porte d'appareil frigorifique (12) définissant un angle d'ouverture (A) par rapport à l'appareil frigorifique ; ledit système de porte (10) comprenant en outre au moins un élément à ressort (26) raccordé à la porte d'appareil frigorifique (12) et adapté pour entrer en prise avec l'appareil frigorifique, de sorte que la porte d'appareil frigorifique (12) est poussée en position de fermeture par l'élément à ressort (26) avec un angle d'ouverture (A) inférieur à un premier angle limite, et poussée en position d'ouverture par l'élément à ressort (26) avec un angle d'ouverture (A) supérieur à un deuxième angle limite, l'élément à ressort (26) comprenant un ressort pneumatique ; comportant en outre au moins un élément de limitation (44) au moyen duquel l'angle d'ouverture (A) de la porte d'appareil frigorifique (12) est limité à un angle d'ouverture maximal, ledit angle d'ouverture maximal étant réglable, l'élément de limitation (44) étant réalisé sous forme de bielle avec une première extrémité (46) et une deuxième extrémité (48) opposée, la première extrémité (46) de la bielle étant raccordée à la porte d'appareil frigorifique et la deuxième extrémité de la bielle étant adaptée pour venir en prise avec l'appareil frigorifique.
  2. Système de porte (10) selon la revendication 1, comprenant en outre un élément excentrique (28) au moyen duquel l'élément à ressort (26) est raccordé à la porte d'appareil frigorifique (12).
  3. Système de porte (10) selon la revendication 2, où l'orientation de l'élément excentrique (28) par rapport à la porte d'appareil frigorifique (12) est réglable afin de déterminer le premier angle limite et/ou le deuxième angle limite.
  4. Système de porte (10) selon l'une des revendications précédentes, où la première extrémité (46) de la bielle est raccordée de manière pivotante à la porte d'appareil frigorifique (12) et la deuxième extrémité (48) de la bielle est adaptée pour être reçue de manière coulissante et pivotante dans un rail de guidage (50),
    ou où la porte d'appareil frigorifique comporte un rail de guidage, la première extrémité (46) de la bielle étant reçue de manière coulissante et pivotante dans le rail de guidage de la porte d'appareil frigorifique (12) et la deuxième extrémité (48) de la bielle étant adaptée pour être montée de manière pivotante sur l'appareil frigorifique.
  5. Système de porte (10) selon l'une des revendications précédentes, comprenant en outre un élément d'amortissement au moyen duquel un mouvement de pivotement de la porte d'appareil frigorifique (12) de la position d'ouverture à la position de fermeture et/ou un mouvement de pivotement de la porte d'appareil frigorifique (12) de la position de fermeture à la position d'ouverture est amorti.
  6. Système de porte (10) selon l'une des revendications précédentes, où la porte d'appareil frigorifique (12) présente un plan médian défini par les deux surfaces extérieures et où le dispositif de charnière (14) définit un axe de pivotement décalé par rapport au plan médian.
  7. Système de porte selon la revendication 6, où la distance entre l'axe de pivotement et le plan médian est d'au moins 3 mm, avantageusement d'au moins 5 mm, de préférence d'au moins 6 mm et tout particulièrement d'au moins 7 mm.
  8. Système de porte selon l'une des revendications précédentes, où la porte d'appareil frigorifique (12) présente un plan latéral défini par la façade latérale et où le dispositif de charnière (14) définit un axe de pivotement décalé vers l'intérieur dans la direction de la porte d'appareil frigorifique (12) par rapport au plan latéral.
  9. Système de porte selon la revendication 8, où la distance entre l'axe de pivotement et le plan latéral est d'au moins 3 mm, avantageusement d'au moins 5 mm, de préférence d'au moins 6 mm et tout particulièrement d'au moins 7 mm.
  10. Appareil frigorifique avec un système de porte (10) selon l'une des revendications précédentes, la porte d'appareil frigorifique (12) étant montée de manière pivotante sur l'appareil frigorifique au moyen du dispositif de charnière (14) de sorte que la porte d'appareil frigorifique (12) puisse pivoter autour d'un axe de pivotement orienté sensiblement verticalement entre une position de fermeture, où l'appareil frigorifique est fermé par la porte d'appareil frigorifique (12), et une position d'ouverture permettant d'accéder à l'intérieur de l'appareil frigorifique, l'élément à ressort (26) étant raccordé à l'appareil frigorifique de sorte que la porte d'appareil frigorifique (12) est poussée en position de fermeture par l'élément à ressort (26) avec un angle d'ouverture (A) inférieur à un premier angle limite, et poussée en position d'ouverture par l'élément à ressort (26) avec un angle d'ouverture (A) supérieur à un deuxième angle limite.
  11. Appareil frigorifique selon la revendication 10, où la première extrémité (46) de la bielle est raccordée de manière pivotante à la porte d'appareil frigorifique (12), et la deuxième extrémité (48) de la bielle est raccordée de manière coulissante et pivotante à l'appareil frigorifique, ou où la première extrémité de la bielle est raccordée de manière coulissante et pivotante à la porte d'appareil frigorifique et la deuxième extrémité de la bielle est raccordée de manière pivotante à l'appareil frigorifique.
  12. Appareil frigorifique selon la revendication 11, où l'appareil frigorifique ou la porte d'appareil frigorifique présente un rail de guidage (50) sur un bord supérieur et/ou inférieur et où la deuxième extrémité (48) de la bielle est montée de manière coulissante et pivotante dans le rail de guidage (50).
  13. Appareil frigorifique selon la revendication 12, où le rail de guidage (50) comporte une butée permettant de limiter l'angle d'ouverture (A) de la porte d'appareil frigorifique (12) à un angle d'ouverture maximal.
  14. Appareil frigorifique selon l'une des revendications 10 à 13, comprenant en outre un élément excentrique (28) au moyen duquel l'élément à ressort (26) est raccordé à la porte d'appareil frigorifique (12), une première extrémité (30) de l'élément à ressort (26) étant raccordée de manière pivotante à l'élément excentrique (28) et une deuxième extrémité opposée (36) de l'élément à ressort (26) étant raccordée de manière pivotante à l'appareil frigorifique.
  15. Appareil frigorifique selon l'une des revendications 10 à 14, où la distance entre l'appareil frigorifique et la porte d'appareil frigorifique (12) est de 6 mm au maximum, avantageusement de 5 mm au maximum et de préférence de 4 mm au maximum.
EP18708406.6A 2017-03-02 2018-03-01 Système de porte pour un appareil de froid Active EP3589810B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017203444.0A DE102017203444A1 (de) 2017-03-02 2017-03-02 Türsystem für ein Kühlgerät
PCT/EP2018/055054 WO2018158371A1 (fr) 2017-03-02 2018-03-01 Système de porte pour appareil de froid

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EP3589810A1 EP3589810A1 (fr) 2020-01-08
EP3589810B1 true EP3589810B1 (fr) 2025-06-25

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EP (1) EP3589810B1 (fr)
AU (1) AU2018228725B2 (fr)
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WO (1) WO2018158371A1 (fr)

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WO2018158371A1 (fr) 2018-09-07
EP3589810A1 (fr) 2020-01-08
AU2018228725A1 (en) 2019-09-12
US20200072532A1 (en) 2020-03-05
DE102017203444A1 (de) 2018-09-20
AU2018228725B2 (en) 2023-07-13
US11543171B2 (en) 2023-01-03
BR112019018143A2 (pt) 2020-04-07

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