WO2024237703A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2024237703A1
WO2024237703A1 PCT/KR2024/006657 KR2024006657W WO2024237703A1 WO 2024237703 A1 WO2024237703 A1 WO 2024237703A1 KR 2024006657 W KR2024006657 W KR 2024006657W WO 2024237703 A1 WO2024237703 A1 WO 2024237703A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
handle
link
pusher
refrigerator
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.)
Ceased
Application number
PCT/KR2024/006657
Other languages
English (en)
Korean (ko)
Inventor
이충섭
박원호
이남교
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Priority to CN202480032721.2A priority Critical patent/CN121241233A/zh
Priority to EP24807574.9A priority patent/EP4715289A1/fr
Priority claimed from KR1020240063937A external-priority patent/KR20250164481A/ko
Publication of WO2024237703A1 publication Critical patent/WO2024237703A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B5/00—Handles completely let into the surface of the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B7/00—Handles pivoted about an axis parallel to the wing
    • 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
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/54—Man-operated mechanisms for operating wings, including those which also operate the fastening for doors
    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves

Definitions

  • the present disclosure relates to a refrigerator.
  • a refrigerator has a storage space that can store food at low temperatures.
  • a refrigerator can use the cold air generated through heat exchange with a refrigerant that circulates a refrigeration cycle.
  • refrigerators have become larger and/or more multifunctional in accordance with the trend of changes in eating habits and the sophistication of products.
  • various refrigerators that provide convenience to users and enable efficient use of internal space have been released recently.
  • the storage space of the refrigerator can be opened and closed by the door. And, depending on the arrangement of the storage space and the structure of the door that opens and closes the storage space, the refrigerator can be classified into various types. For example, the door of the refrigerator can open and close the storage space by rotating or sliding.
  • the above door can be opened and closed by the user. If the size of the door is large and heavy, if the pressure difference between the inside and outside is large, and/or if the magnetic force of the door gasket is large, the user may have difficulty in opening and closing the door. For example, the door can be opened only when a greater force is applied to open it. This may cause inconvenience to the user.
  • Patent Publication No. 10-1528729 discloses a refrigerator having a door opening device that initially opens the door by pushing the main body.
  • the door opening device of the '729 Patent includes a rotating part having a gripping part, a rotating shaft, and an operating part that is operated by a user, and a pushing unit that slides by the operating part to push the main body.
  • the door opening device of the '729 patent operates with the rotating part and the push unit in direct contact, the push unit must be placed at the same height as at least a portion of the rotating part.
  • the present disclosure aims to solve the above-mentioned and other problems.
  • Another object may be to provide a refrigerator having a door that reduces the volume of the user's operating area.
  • Another purpose may be to provide a refrigerator that requires less force to initially open the door.
  • Another purpose might be to provide a refrigerator with a height difference between the part where the user applies force and the part where the cabinet is pushed to open the door.
  • Another purpose may be to provide a refrigerator in which the user can initially open the door by pushing the door or the operating member in the opposite direction (backward) as the direction in which the door opens.
  • Another purpose may be to provide a refrigerator whose door opens when the user lifts the door handle upward to open the door.
  • Another purpose may be to provide a refrigerator in which the space between the case of the open module that initially opens the door and the front panel of the door can be filled smoothly when filling the insulation inside the door.
  • Another purpose may be to provide a refrigerator having a door with high insulation efficiency.
  • Another object may be to provide a refrigerator having a door that can reduce condensation.
  • Another object may be to provide a refrigerator having a door having improved stability of mechanical operation.
  • Another object may be to provide a refrigerator having a door having improved door opening reliability.
  • the present disclosure includes a cabinet providing a storage space, a door that closes the storage space and is pulled out forward, and an open module provided on the door.
  • the above open module includes an operating unit exposed to the outside and a pusher that pushes the cabinet to open the door.
  • the pusher When the above operating part is pushed rearward, the pusher can push the cabinet to open the door.
  • the pusher When the above operating part is raised upward, the pusher can push the cabinet to open the door.
  • the above door includes a door portion that closes the storage space, and a basket that is arranged at the rear of the door portion and placed in the storage space.
  • the above door portion may include a front panel facing forward and having an opening.
  • the above open module includes a handle that is positioned rotatable about a left-right rotation center inside the door.
  • the handle may include: an operating part that is exposed to the opening and located above the rotation center, and a lever that is located below the rotation center.
  • the above open module includes a link connecting the handle and the pusher.
  • the above link includes: a link rotation axis positioned lower than the center of rotation of the handle.
  • the link may include a first arm extending upwardly from the link rotation axis and positioned forward of the lever, and a second arm extending downwardly from the link rotation axis.
  • the above pusher may be provided to be slidable rearwardly so as to protrude from the rear surface of the door.
  • the pusher may be arranged at the rear of the second arm.
  • the pusher When the above handle is rotated in the first rotational direction, the pusher can move rearward with respect to the door while in contact with the cabinet.
  • the above open module is disposed between the front panel of the door and the door liner, and may further include a case that accommodates the handle, the lever, the link, and the pusher.
  • the above operating unit may include a front surface facing forward and exposed to the outside through the opening of the door.
  • the above operating unit may be located at the rear of the front surface and may include an upwardly recessed grip.
  • the above operating portion may include a rear surface positioned at the rear of the front surface.
  • the grip may be positioned between the front surface and the rear surface.
  • the handle may further include: a body extending in the left-right direction and having a rotation axis providing a center of rotation of the handle; and a neck extending between the body and the operating portion.
  • the above neck can be connected to the above rear surface.
  • the above lever can extend from the body.
  • the above lever can extend downwardly from the body.
  • the above handle may be provided so as not to rotate in a second rotational direction opposite to the first rotational direction when no external force is applied at the rotational position.
  • the center of rotation of the above handle may be located ahead of the rotation axis of the above link.
  • the length of the handle at the rotation radius of the handle may be longer than the length of the link at the rotation radius of the link.
  • the center of rotation of the above handle may be located vertically above the rotation axis of the above link.
  • the lower part of the front surface of the operating unit may be positioned forward of the center of rotation of the handle.
  • the pusher When the handle is rotated in the first rotational direction so that the lower end of the front surface moves upward along the rotational trajectory, the pusher can move rearward with respect to the door.
  • the center of rotation of the above handle may be located rearward of the rotation axis of the above link.
  • the handle may further include: a body extending in the left-right direction and having a rotation axis providing a center of rotation of the handle; and a neck extending between the body and the operating portion.
  • the above lever may include a first side end and a second side end protruding downward from the left end and the right end of the body.
  • the above link may include: a first link contacting the first side end; and a second link contacting the second side end.
  • the above pusher may include: a first pusher contacting the first link; and a second pusher contacting the second link.
  • the above door may further include a door liner facing the storage space and positioned at the rear of the front panel.
  • the above open module is disposed between the front panel of the door and the door liner, and may further include a case that accommodates the body, the lever, the link, and the pusher.
  • Insulation may be filled between the front panel of the door and the door liner.
  • the insulation may be filled between at least a portion of the case and the front panel in the front-rear direction.
  • the above pusher is positioned lower than the operating unit and contacts the side edge of the cabinet, and the width of the pusher in the left-right direction may be smaller than the height in the up-down direction.
  • a cabinet providing a storage space open to the front; a door portion for closing the storage space, and a basket disposed at the rear of the door portion and placed in the storage space, the door being pulled out forward from the storage space; and an open module provided in the door.
  • the above door portion includes a front panel facing forward and having an opening.
  • the above open module includes: a handle that is arranged to be rotatable about a left-right rotation center inside the door, the handle including an operating portion exposed to the opening and a lever positioned on an opposite side of the operating portion with respect to the rotation center; a link that is connected to the lever and rotates; and a pusher that is connected to the link and is provided to be slid rearward so as to protrude from a rear surface of the door, and when the handle is rotated in a first rotation direction so that the operating portion moves rearward, the pusher moves rearward.
  • a cabinet providing a storage space open to the front; a door part for closing the storage space, and a door including a basket disposed at the rear of the door part and placed in the storage space, the door being pulled out forward from the storage space; and an open module provided on the door.
  • the door part includes a front panel facing forward and having an opening.
  • the open module includes: a handle that is rotatably disposed about a left-right rotation center inside the door, the handle including an operating part exposed to the opening, and a lever positioned on the opposite side of the operating part with respect to the rotation center; a link that is connected to the lever and rotates; and a pusher that is connected to the link and is provided to be slidable rearward so as to protrude from the rear surface of the door.
  • a refrigerator of the present embodiment includes: a cabinet providing a storage space; a door for opening and closing the storage space; a contact member to which an external force is applied when the door is opened; and a pusher to which the external force is transmitted to separate the door and the cabinet.
  • It may include a handle that rotates between the contact member and the pusher. It may include a first axis that supports the rotation of the handle. It may include a first pressing portion that is provided on the handle and formed in a first direction based on the first axis so that an external force of the contact member is applied. It may include a second pressing portion that is provided on the handle and transmits the rotational motion of the handle toward the pusher and is formed in a first direction based on the first axis.
  • It may include a link that rotates and intervenes between the handle and the pusher.
  • It may include a second axis supporting the rotation of the above link.
  • the second axis may be placed in the first direction of the first axis.
  • the contact portion of the above link and the above handle can be provided in a second direction based on the second axis.
  • the above first direction and the above second direction may be opposite directions.
  • the case may include an upper surface that is open to accommodate at least a portion of the handle.
  • the case may include an outer support plate defining an outer surface; an inner support plate defining an inner surface; a bottom support plate defining a lower surface; an opening provided in a side surface of the case through which the first axis passes; and an axle supporting the second axis in the first direction of the opening.
  • the case may include a cover provided on both sides and supporting the first axis.
  • the above cover can guide the above pusher.
  • the above first direction may be upward.
  • the above upward direction may be in a direction opposite to gravity.
  • the handle may have a first region provided high in the center portion.
  • the handle may include a second region provided lower than the first region on either side of the first region.
  • the second region may be shorter in the extension direction of the door than the first region.
  • the second region may have reinforcing ribs provided at a closer distance than the first region.
  • the refrigerator of the embodiment may include a link that rotates between the handle and the pusher; a first shaft that supports rotation of the handle; and a second shaft that supports rotation of the link.
  • the second axis may be closer to the point of application of the external force than the first axis.
  • the second axis may be located outside the door than the first axis.
  • the refrigerator of the embodiment may include a first shaft supporting rotation of the handle; a second pressurizing portion provided at a predetermined position of the handle and pressurizing the link; and a fourth pressurizing portion provided at a predetermined position of the link and pressurizing the pusher.
  • the second pressurizing portion and the fourth pressurizing portion can be placed in the same temperature range.
  • the refrigerator of the embodiment may include at least two pushers to which the external force is transmitted to separate the door and the cabinet.
  • At least one of the above two pushers can be placed in the center area of the door when dividing the door into three equal parts in the left and right directions.
  • the above pushers can be provided symmetrically in the left and right directions of the door.
  • the above pusher can be placed adjacent to the dividing point when dividing the door into three equal parts in the left and right directions.
  • the above pusher can be placed adjacent to the second and fourth dividing points from one end when dividing the door into six equal parts in the left and right directions.
  • the above pusher can be placed in the third and fourth areas from either end when dividing the door into six equal parts in the left-right direction (X).
  • the refrigerator of the embodiment may include a cabinet providing a storage space; a door for opening and closing the storage space; and an opening module for initially opening the door.
  • the open module may include a contact member to which an external force is applied when the door is opened.
  • the open module may include at least two pushers to which the external force is transmitted to separate the door and the cabinet.
  • the open module may include a handle that rotates between the contact member and the pusher, and a case that accommodates at least a part of the handle.
  • the refrigerator may include an outer panel defining an outer side of the door and having a predetermined gap from the case; and an inner panel defining an inner side of the door and having a predetermined gap from the case.
  • It may include a cap that is fastened to the above open module.
  • the above cap can be fastened to at least one of the inner panel and the outer panel.
  • At least one of the space between the inner panel and the case and the space between the outer panel and the case may be filled with a foam member.
  • the internal area of the above case may be longer in vertical length than in horizontal length.
  • the above internal area may be at least twice as long as the longitudinal length.
  • the refrigerator of the embodiment may include a cabinet providing a storage space; a door for opening and closing the storage space; a contact member to which an external force is applied when the door is opened; and at least two pushers to which the external force is transmitted to separate the door and the cabinet.
  • It may include a handle that rotates between the contact member and the pusher; a case that accommodates at least a portion of the handle; and a cap that is fastened to the case.
  • a heat diffusion plate may be provided adjacent to the lowest temperature point.
  • the above lowest temperature point can be provided at the branch portion of the cap and the case.
  • the refrigerator of the embodiment may include a cabinet providing a storage space; a door for opening and closing the storage space; an open module for initially opening the door; and an insulating gap for accommodating the open module.
  • the door may include a die that extends in the front-rear direction to provide an energy nose to the inner panel that provides the above-mentioned insulation gap.
  • the above insulation gap and the isotherm provided to the open module may have a portion that slopes inwardly as it goes toward the lower side of the door.
  • the above die may be longer in the vertical direction of the door than in the forward-backward direction of the door.
  • the lower end of the inner surface of the above-mentioned dike can extend downward further than the lower end of the above-mentioned open module.
  • the open module may include a contact member to which an external force is applied when the door is opened.
  • the open module may include at least two pushers to which the external force is transmitted to separate the door and the cabinet.
  • the open module may include a handle that rotates by interposing between the contact member and the pusher.
  • the open module may include a case that accommodates at least a portion of the handle.
  • the above insulation gap may include an insulation wall area and an energy nose area. A pressure portion of the handle may be placed in the above insulation gap.
  • a refrigerator having a door with a reduced volume of an open module can be provided.
  • a refrigerator can be provided that requires less force when initially opening a door.
  • a refrigerator can be provided having a height difference between a portion to which a user applies force and a configuration for pushing the cabinet to open the door.
  • a refrigerator can be provided in which a user can initially open a door by pushing the door or an operating unit in a direction opposite to the direction in which the door opens (forward) (rearward).
  • a refrigerator can be provided in which the door opens when a user raises the door handle upward when opening the door.
  • a refrigerator can be provided in which, when filling insulation material inside a door, the gap between the case of an open module that initially opens the door and the front panel of the door can be smoothly filled.
  • an open module can be miniaturized. Due to miniaturization of the open module, a reduction in product price, expansion of product applications, and improvement in reliability can be expected.
  • the open module can be narrowed in the forward and backward directions. Accordingly, a large insulation effect can be obtained with the same size of the insulation wall.
  • stable inter-connection between absences can be secured. Accordingly, a plurality of mechanical operations can be stably performed.
  • a large initial force can be obtained. Accordingly, the reliability of door opening can be improved.
  • Figure 1 is a perspective view of a refrigerator according to one embodiment of the present disclosure.
  • Figure 2 is an exploded perspective view of the door.
  • Figure 3 is a detailed exploded perspective view of the open module of Figure 2.
  • Figure 4 is a drawing showing the open module and the cap being mounted on the outer panel and the inner panel.
  • Figure 5 is a perspective view explaining the operation of the open module.
  • Figure 6 is a drawing explaining the configuration of the pressurizing portion.
  • Figure 7 is a drawing comparing before and after operation of the above open module.
  • Figure 8 is a drawing showing the fastening process of the above open module.
  • Figure 9 is a drawing explaining the cap recess.
  • Figure 10 is a drawing testing the insulation effect around the door.
  • Figure 11 is a drawing explaining a configuration for preventing condensation on a door due to cold air.
  • Figure 12 is a drawing comparing the thickness of the door of the embodiment and the door of the comparative example.
  • Figure 13 is a drawing comparing the above internal areas.
  • FIGS. 14 to 18 are drawings showing refrigerators according to other embodiments of the present disclosure.
  • Fig. 1 is a perspective view of a refrigerator according to an embodiment.
  • a refrigerator (1) may include a cabinet (11) forming a storage space.
  • the storage space may be provided inside the cabinet (11).
  • the refrigerator (1) may include a door (12), (13), or (20) for opening and closing the storage space.
  • the refrigerator may include a warming chamber.
  • the inside of the storage space is also referred to as 'the inside of the cabinet'.
  • the storage space of the above cabinet (11) can be partitioned into upper and lower parts by a barrier.
  • a refrigerator can be formed in the upper part.
  • a freezer can be formed in the lower part.
  • the present disclosure is not limited to the description of the refrigerator and freezer as described above.
  • the lower part of the storage space can be a refrigerator.
  • the above door may include a first door (12)(13) for opening and closing the refrigerator.
  • the first door (12, 13) may include a left door (12) and a right door (13).
  • the first door may be mounted to the cabinet (10) by a hinge (14).
  • the first door may open and close the refrigerator by rotation.
  • the above door may include a second door (20) for opening and closing the freezer.
  • the second door (20) may be slidably mounted on the cabinet (11). During the sliding operation, the cabinet may be pulled in and out. The freezer may be opened and closed by pulling in and out of the second door (20).
  • the second door (20) may include a door portion and a basket arranged at the rear of the door portion.
  • the second door (20) may be referred to as a drawer-type door (20).
  • the second door (20) may include a rail (29) extending in the forward and backward directions.
  • a rail (21) may be provided at the rear of the door section of the second door (20). The rail may guide the entry and exit of the second door.
  • the first door (12)(13) may have a contact member.
  • the second door (20) may have a contact member.
  • the user may operate the second door (20) through the contact member.
  • the door (20) may be pushed out of the cabinet (11).
  • the 'contact member' is also referred to as the 'operating member'.
  • the contact member may open the door by overcoming the door load, the differential pressure between the inside and outside, and the attractive force due to the gasket (111, see FIG. 6).
  • the opening of the door may mean the initial opening.
  • the gasket (111) may include a magnetic material, and the attractive force may mean a magnetic force.
  • the gasket (111) may seal between the door (20) and the cabinet (11), and the force may be a force generated due to a pressure difference between the inside and outside of the storage space of the cabinet (11) when the door (20) is opened.
  • the door opening may include initial opening and non-initial opening.
  • the initial opening may refer to the initial door opening when the door (20) begins to open.
  • the non-initial opening may refer to the door opening after the initial opening is completed.
  • the above door load can act as a resistance force both in the initial opening and the non-initial opening.
  • the resistance force can be said to be a force that resists the door (20) from opening.
  • the above high internal and external pressure difference can act greatly at the beginning of the initial opening.
  • the resistance force due to the high internal and external pressure difference can disappear rapidly during the above initial opening process.
  • the magnetic force of the gasket (111) can act entirely during the initial opening period.
  • the magnetic force of the gasket (111) can gradually decrease throughout the entire initial opening period.
  • the above contact member can provide a force to overcome the resistance of the initial opening.
  • the initial opening of the door (20) and the cabinet (11) can be achieved.
  • a user can perform the initial opening by operating the contact member with a finger. Thereafter, the user's arm can operate the door. The user can perform actions such as contacting, holding, pushing, pulling, and/or pressing the contact member.
  • An automatic mechanism can operate the contact member instead of the user.
  • the contact member can be provided at the corners of the first and second doors (12, 13, 20).
  • the contact member can be provided at the upper end of the second door (20).
  • the embodiment exemplifies a bottom freeze type refrigerator in which the freezer is located at the bottom.
  • the present invention can be applied to other types of refrigerators.
  • the present invention can be applied to other types of doors.
  • the contact member is provided on the second door.
  • the second door may be considered first.
  • the door may also be the first door.
  • Fig. 2 is an exploded perspective view of the door.
  • Fig. 3 is a detailed exploded perspective view of the open module of Fig. 2.
  • the door (20) may include an outer panel (31) facing the outside (i.e., the front) of the cabinet (11), and an inner panel (32) facing the inside (i.e., the rear) of the cabinet.
  • the outer panel (31) may be made of a metal material.
  • the inner panel (32) may be made of a resin material.
  • the outer panel (31) is also referred to as a front panel.
  • the inner panel (32) may be a door liner.
  • the above door (20) may include a bottom (311) that protects the lower portion.
  • the two sides of the door may be portions extending from either the outer panel (31) or the inner panel (32). For example, the two sides may extend rearward from the front two sides of the outer panel (31).
  • the door (20) may include a cap (8) providing an upper surface of the door (20).
  • the cap (8) may protect the upper portion of the door (20).
  • the cap (8) may include a cap recess (34).
  • the cap recess (24) may have a structure that is sunken downward to allow a user's hand to enter.
  • the cap recess may accommodate at least a portion of the contact member.
  • the cap recess (34) may be recessed into the cap (8).
  • the cap recess (24) may include a portion that recesses downwardly into the door (20).
  • the door (20) may include an open module (30) that can be linked with the contact member.
  • the open module may accommodate at least a portion of the contact member.
  • FIG. 4 is a drawing showing the open module and the cap being mounted on the outer panel and the inner panel.
  • the open module and the cap can be fastened to provide a first assembly.
  • the outer panel, the inner panel, and the bottom can be fastened to provide a second assembly.
  • the second assembly can be fastened to the upper surface of the second assembly.
  • An insulating space inside the door can be formed by the above configuration.
  • a foam member may be filled in a gap defined as a gap between the above-described members.
  • the foam member may be filled in an internal space defined by the rear of the outer panel, the front of the inner panel, the upper side of the bottom, the lower side of the cap, and the left and right sides of the wing.
  • the foam member may be filled in an external space of the open module.
  • the foam member may be filled between the open module and the outer panel, between the open module and the inner panel, between the open module and the bottom, between the open module and the cap, and/or between the open module and the wing.
  • the foam member may be PS or a porous material.
  • a vacuum insulation member may be applied instead of or together with the foam member.
  • the cap (8) may be fastened to at least one of the inner panel and the outer panel.
  • the cap may be fastened to at least one of the inner panel and the outer panel while the open module (30) is fastened.
  • the cap may be fastened to the upper end of at least one of the inner panel and the outer panel.
  • the cap may be fastened to at least one of the inner panel and the outer panel with a protrusion and a groove.
  • the inner panel and the outer panel may have upper ends of the same height.
  • the inner panel and the outer panel may not provide a recessed portion or a protruding portion in the front-back direction (Y) for fastening the cam.
  • the inner panel and the outer panel may not provide a recessed portion or a protruding portion in the vertical direction (Z) for fastening the cam. At least one of the gap between the cap and the inner panel and the gap between the cap and the outer panel may be filled with a foam member. The cap and the open module may be firmly positioned.
  • the left-right direction of the door can be defined as the X-axis direction.
  • the inside-outside direction of the door can be defined as the Y-axis.
  • the up-down direction of the door can be defined as the Z-axis direction.
  • a rail (29) can extend in the inside direction of the inner panel (32).
  • a predetermined fastening member can fasten the rail and the inner panel to each other.
  • a predetermined fastening member can fasten the rail mount and the rail.
  • the predetermined fastening members can be the same.
  • a rail mount (321) can be fastened to the inner panel.
  • the rail mount can firmly fasten the rail and the inner panel. By the rail mount, even if the thickness (length in the Y-axis direction) of the door is thin, the rail can be strongly fixed to the inner panel.
  • the rail mount (321) can be aligned with the rail recess (33).
  • the above open module (30) can initially open the door by the action of the above contact member.
  • Fig. 5 is a perspective view explaining the action of the above open module.
  • Fig. 5 is a drawing of the above open module with the cover and case removed.
  • the open module (30) may include the contact member.
  • the open module (30) may include a grip (5) that a user contacts.
  • the contact member may be a grip (5).
  • the open module (30) may include a handle (4).
  • the grip may be in contact with the handle.
  • the grip may be fastened to the handle. If the grip is absent, the handle may be the contact member.
  • a member that operates the open module by an external force may be referred to as a contact member.
  • the handle When the grip moves forward (-Y), the handle can rotate.
  • the handle can rotate in a first direction with respect to a first axis (42).
  • the handle can rotate the link (7).
  • the link can rotate in a second direction with respect to a second axis (71).
  • the first direction and the second direction can be opposite directions.
  • the link can push the pusher (6) backward (+Y).
  • the pusher can perform an action/reaction movement on the cabinet.
  • the door When the pusher pushes the cabinet, the door can be initially opened.
  • the cabinet can include a member that does not move unlike the door operation.
  • the open module (30) may include a handle (4) to which an external force is applied.
  • the handle may have a portion extending in the vertical direction (Z).
  • the handle may have a first region (40) at the center of the handle.
  • the handle may have a second region (41) on the side of the first region (40).
  • the lateral length (w1) (length in the X direction) of the first region may be greater than the lateral length (w2) of the second region.
  • the twisting of the handle may be reduced.
  • the twisting of the handle may occur when the handle is rotated.
  • the twisting of the handle may be greater as the grip and the pusher are farther apart in the left-right direction (X).
  • the handle may be provided with a plurality of reinforcing ribs (45).
  • the reinforcing ribs may be denser in the second region than in the first region. Accordingly, the twisting of the handle may be further reduced.
  • the height (h1) (Z-direction length) of the first region may be greater than the height (h2) of the second region.
  • the height of the first region may be set high so that an external force may be applied.
  • the height of the first region may be high so that a large force may be obtained with a small external force based on the principle of a lever.
  • the height may be adjusted with an appropriate external force based on the principle of the lever.
  • a first axis (42) may be provided at the lower side of the handle.
  • the first axis may extend in the left-right direction (X-direction).
  • the upper portion of the first region may be a first pressing portion (43).
  • the upper portion of the second region may be a second pressing portion (44).
  • the handle rotates based on the first axis.
  • the second pressing portion may push the link.
  • the first axis (42) can be supported by a cover (3).
  • the cover can support handles on both sides of the first axis.
  • the above link (7) can be placed on the left and right sides of the handle.
  • the link (7) can rotate about the second axis (71).
  • the link can include a third pressurizing portion (72) on the lower side of the second axis.
  • the link can include a fourth pressurizing portion (73) on the upper side of the second axis.
  • the third and fourth pressurizing portions can have portions extending in the vertical direction (Z).
  • the third and fourth pressurizing portions can provide reinforcing ribs.
  • the reinforcing ribs can prevent deformation of the link.
  • the lengths of the third and fourth pressurizing portions can be different from each other.
  • a lever action can be performed by adjusting the lengths of the third and fourth pressurizing portions.
  • the second pressurizing portion can push the third pressurizing portion.
  • the link When the second pressurizing portion is pushed, the link can rotate about the second axis. When the link rotates, the third and fourth pressurizing portions can rotate together.
  • the fourth pressurizing member can push the pusher (6).
  • At least two links can be provided.
  • the links can be provided in pairs. The links can initially open the door with balanced force.
  • One end of the second shaft (71) can be supported on the cover (3).
  • the other end of the second shaft (71) can be supported on the case.
  • the above pusher (6) may be placed between the open module (30) and the cabinet (11).
  • the pusher may be the point of action of the action and reaction of the door and the cabinet.
  • the pusher may have an outer end (61) extending in the vertical direction (Z). The outer end may maintain mutual contact even when the position of the fourth pressurizing portion (73) changes during rotation.
  • the pusher may have an extension (62) extending in the forward-backward direction (Y). The extension may lengthen the action length of the pusher.
  • the rear end of the extension may have an inner end (63). The inner end may come into contact with the cabinet (11). When the pusher is pushed rearward, the inner end may push the cabinet.
  • the inner end may be referred to as a pushing end.
  • the forward-backward length of the extension may be longer than the vertical length of the outer end.
  • the height of the inner end may be longer than the height of the extension.
  • the fourth pressurizing portion (73) may push the outer end.
  • the pusher When the outer end is pushed, the pusher may move rearward as a whole.
  • the pusher may push the cabinet.
  • the cover (3) may guide the pusher.
  • the cover may be provided with at least one rib to guide the operation of the pusher.
  • the rib may extend in the forward-backward direction (Y).
  • the force applied to the pusher may be adjusted by the first lever action of the handle and the second lever action of the link.
  • the first pressurizing portion (43) and the fourth pressurizing portion (73) may be positioned in an upward direction (+Z) with respect to the first rotation axis.
  • the first pressurizing portion (43) and the fourth pressurizing portion (73) may be positioned in the same direction with respect to the first rotation axis.
  • the first pressurizing portion (43) and the fourth pressurizing portion (73) may be positioned in an upward direction (+Z) with respect to the second rotation axis.
  • the first pressurizing portion (43) and the fourth pressurizing portion (73) may be positioned in the same direction with respect to the second rotation axis.
  • the first pressurizing portion may be a pressurizing portion where an external force is initiated.
  • the fourth pressurizing portion may be a pressurizing portion that finally pushes the pusher.
  • the second pressurizing portion (44) and the third pressurizing portion (72) may be positioned in an upward direction (+Z) with respect to the first rotation axis.
  • the second pressurizing portion (44) and the third pressurizing portion (72) can be placed in the downward direction (-Z) with respect to the second rotation axis.
  • the first rotation axis can be placed lower than the second rotation axis.
  • the grip (5) above can be placed on the upper part of the handle (4).
  • the user can easily access the grip.
  • the external force applied to the grip can be amplified by the first and second lever actions.
  • the initial opening of the door can be possible even if the force applied by the user is small.
  • the initial opening of the door can be possible with a small grip strength of the fingers.
  • the case (2) can accommodate at least a part of the handle.
  • the case can guide the operation of the handle.
  • the case can guide the position of the handle.
  • the case can include an outer support plate (21) providing a front (-Y) wall.
  • the case can include an inner support plate (22) providing a rear wall.
  • the case can include a lower support plate (23) providing a lower wall.
  • the lower support plate can connect the lower portions of the inner support plate and the outer support plate forward and backward.
  • the side of the case can include an opening (25).
  • the second region (41) can be withdrawn laterally through the opening.
  • An axle (26) can be included above the opening (25).
  • the axle can support the second axle (71).
  • the axle can include a cylindrical structure supporting the inner side of the second axle.
  • the upper portion of the case can be open.
  • the handle (4) can be assembled through the upper part of the case.
  • the outer surface of the case can be bent in accordance with the operation and shape of the handle and the link.
  • the case can have a recess extending in the left-right direction (X).
  • a foam member can be introduced into the recess.
  • the case can be firmly positioned by the foam member.
  • the gap between the outer support plate (21) and the inner support plate (22) can be widened upward. Accordingly, the introduction of the foam member can be smooth. Accordingly, the handle can be smoothly rotated around the first axis. Accordingly, the link can be smoothly rotated around the second axis.
  • the foam member can be introduced from the lower side of the open module (30).
  • the upper part of the inner support plate (22) can include a fitting part (24) extending rearward (+Y).
  • the above fitting part can guide the position of the open module (30) and the cap (8).
  • the open module and the cap can be assembled by the fitting part.
  • the above fitting part (24) can guide the operation of the pusher.
  • the above cover (3) can be provided on the left and right sides of the case.
  • the cover can shield the internal space of the case from the outside.
  • the inflow of the foam member can be blocked through the cover.
  • the cover can have an axis supporting the first and second axes. The cover can guide the operation of the pusher.
  • the second axis may be positioned forward (-Y) relative to the first axis.
  • the second axis may be positioned upward (+Z) relative to the first axis.
  • the second axis may be closer to the user than the first axis. Accordingly, the user's grip (5) may be closer to the user.
  • the user may operate the open module (30) more conveniently. The user may operate the grip with less force.
  • Fig. 6 is a drawing explaining the configuration of the pressurizing unit.
  • Fig. 6a is a cross-sectional perspective view of 6a-6a' of Fig. 1.
  • Fig. 6b is a cross-sectional perspective view of 6b-6b' of Fig. 1.
  • Fig. 6b is a cross-sectional perspective view of 6b-6b' of Fig. 1.
  • the operation of the pressurizing unit will be explained with reference to Fig. 6.
  • the handle and the link In a stationary state, at least one of the handle and the link can contact at least one of the inner support plate (22), the outer support plate (21), and the cap (8). In a stationary state, the handle can contact at least one of the cap (8) and the inner support plate (22). In a stationary state, the link can contact the outer support plate (21).
  • the grip (5) can push the first pressing portion (43).
  • the first pressing portion can rotate.
  • the first pressing portion and the second pressing portion (44) can rotate in the same direction.
  • the second pressing portion can push the third pressing portion (72).
  • the second pressing portion and the third pressing portion can rotate in different directions.
  • the third pressing portion can rotate.
  • the third pressing portion and the fourth pressing portion (73) can rotate in the same direction.
  • the above pressurizing member can rotate around the first and second axes as described.
  • the fourth pressurizing member (73) can push the pusher (6).
  • the pusher's pusher end (63) can push the cabinet.
  • the pusher end can push the bulkhead of the storage room.
  • the cabinet can be the outermost panel of the cabinet.
  • the pusher end can push the outside of the gasket (111).
  • the thickness (w11) of the first region (40) and the thickness (w12) of the second region (41) can be provided to be the same.
  • the ratio (h1/w11) of the thickness (w11) and the height (h1) of the first region (40) can be greater than the ratio (h2/w12) of the thickness (w12) and the height (h2) of the second region (41). Accordingly, the twist of the second region can be further reduced.
  • a larger moment can be generated in the second region than in the first region.
  • Fig. 7 is a drawing comparing before and after operation of the above open module.
  • Figs. 7a and 7b may be in a stationary state, and Fig. 7b may be in an operating state.
  • Fig. 7a may correspond to Fig. 6a.
  • Figs. 7b and 7c may correspond to Fig. 6b.
  • the handle (4) when the open module is operated, the handle (4) can rotate counterclockwise around the first axis.
  • the link (7) can rotate clockwise around the second axis.
  • the pusher When the open module is operated, the pusher can move forward.
  • An elastic member (64) that controls the operation of the pusher can be provided. The elastic member can return the pusher to a stopped state. The elastic member can connect the outer end (61) of the pusher and the cover (3).
  • a gasket recess (36) may be provided at the lower side of the cap recess (34).
  • the gasket (111) may be fixed to the gasket recess (36).
  • the door (20) may provide a dike (35) at the rear (+Y) of the open module.
  • the dike may reinforce the insulation thickness of the wall raised by the open module.
  • the dike may provide an energy nose (EN). The energy nose may block the airflow of the storage space to enhance the heat retention effect.
  • Fig. 8 is a drawing showing the fastening process of an open module. Each drawing of Fig. 8 shows the fastening of each member.
  • Fig. 8 (a1) shows the elastic member (64) being fastened to the pusher (6).
  • the elastic member can guide the stop position of the pusher.
  • the elastic member can pull the pusher forward.
  • Fig. 8 (a2) shows the handle (4) being fastened to the case (2).
  • Fig. 8 (b) shows the pusher being fastened to the cover (3) and the link being fastened to the cover.
  • the pusher can be guided in motion by the cover.
  • the elastic member can be interposed between the pusher and the cover. At least a part of the link can be placed in front of the pusher. One side of the second axis of the link can be supported by the cover.
  • the state in which each member is fastened to the cover can be referred to as the cover assembly.
  • Fig. 8 (a2) shows that the left second region (41) of the handle moves deeply to the left through the opening (25) on the left (-X).
  • the handle may be in a posture tilted upward to the right.
  • the grip may be attached to the handle.
  • the handle may be aligned horizontally.
  • the handle may be moved to the right.
  • the left second region (41) of the handle may move to the right through the opening (25) on the left.
  • the right second region (41) of the handle may move to the right through the opening (25) on the right (+X).
  • the handle may be aligned to the correct position within the case.
  • the state in which the handle is placed in the case may be referred to as the handle assembly.
  • Fig. 8 (c) is a visual drawing showing the cover assembly and the handle assembly being fastened.
  • the two assemblies can be fastened by fitting the protrusions and recesses.
  • the cover can be fastened on both sides of the case (2).
  • the first axis can be supported by the cover.
  • the second axis can be supported by the cover.
  • the first axis can be supported only by the cover.
  • Each of the second axes can be supported by the cover and the case.
  • Fig. 8 (d) is a drawing showing the open module and the cap being connected.
  • the cap may be connected to the upper end of the open module.
  • the cap may be connected to the link.
  • the cap may be connected to the fitting.
  • Each member may be connected by fitting the protrusion and the recess.
  • the cap recess (34) and the grip (5) may be aligned at an accurate position.
  • the single body in which the cap and the open module are connected may be connected to the panel (31) (32).
  • the single body may be fixed by the connection of the cap (8) to the panel (31) (32).
  • the open module may not be fixed to the panel.
  • the inner support plate (22) may not contact the panel (31) (32).
  • Figure 9 is a drawing explaining the cap recess.
  • the cap recess (34) may include an opening into which the grip (5) is introduced.
  • the opening may be provided at the front of the cap recess.
  • the cap recess (34) may include both side walls defining both ends of the left and right direction (X) of the recess.
  • the cap recess may include a connecting portion connecting the both side walls.
  • the connecting portion may have a lower wall (81) defining a lower portion of the recess.
  • the lower wall may extend in the front-back direction (Y).
  • a rear wall (82) may be provided at the rear portion of the lower wall.
  • the rear wall may extend rearward (+Y).
  • the rear wall may extend upward (+Z).
  • a space for insertion of a user's finger may be secured by the rear wall.
  • the rear wall (82) may have at least one round shape.
  • the rear wall can move more rearward (+Y) as it goes upward (+Z). Accordingly, the width of the cap recess for insertion of the user's finger can be secured.
  • the width of the cap recess (34) can be secured as 12 millimeters.
  • the round shape of the rear wall can have at least two curvature radii.
  • the curvature radius of the curvature radius portion (c1) of the lower portion of the rear wall can be larger than the curvature radius portion of the curvature radius portion (c2) of the upper portion of the rear wall.
  • the inner support plate (22) can be fastened to at least one of the rear wall and the lower wall of the cap recess. By placing the inner support plate on the rear wall and the lower wall of the cap recess, the exact positioning of the open module and the gap can be made accurate.
  • Fig. 10 is a drawing that tests the insulation effect around the door.
  • Fig. 10 shows lines as isotherms. The closer the isotherms are, the more severe the temperature change may be. Severe temperature change may mean severe heat leakage. Severe heat leakage may deteriorate the insulation performance. Heat may move in the normal direction of the isotherm.
  • Fig. 10 is the result of a simulation performed by modeling.
  • Fig. 10 illustrates a case (2) into which a handle (4) is introduced, an outer panel (31), an inner panel (32), a cap (8), and a die (35).
  • An insulating gap (38) may be provided on the inside of the door.
  • the insulating gap may accommodate at least a part of the open module (30).
  • the insulating gap (38) may be filled with a foam member, for example, a foam member made of polyurethane material, to enhance the insulating effect.
  • a foam member for example, a foam member made of polyurethane material
  • an insulating member of a vacuum member and a porous member may be provided in the insulating gap. At least two of the insulating members may be provided together.
  • the inner area where the case (2) and the cap (8) are placed may be referred to as the internal area.
  • No insulation member is provided in the internal area.
  • the internal area may be referred to as an insulation-vulnerable area with weak insulation performance.
  • the insulation-vulnerable area may narrow the insulation gap (38) of the door, which may result in a decrease in the insulation performance of the door.
  • the insulation performance by the internal area may need to be improved. Through this, the insulation performance of the refrigerator may be secured.
  • the pressurizing portion may be provided in the same temperature area.
  • the second, third, and fourth pressurizing portions may be provided in the same temperature area. All pressurizing portions may be provided in the same temperature area. Accordingly, the pressurizing portions may not be affected by cold air. Accordingly, the temperature difference felt by the user may be reduced.
  • the isotherm of the internal area may be provided to be wider than the insulation gap. According to this configuration, the heat transfer of the internal area itself may be reduced.
  • the energy nose (39) above can block the airflow inside to enhance the insulation effect. It can be seen that the isotherm does not pass through the energy nose.
  • the upper end of the dike (35) can generate the energy nose.
  • the dike can control the aspect of the isotherm. By controlling the shape of the isotherm, the insulation effect can be greatly enhanced.
  • the dike can have an upper surface that provides the energy nose (39).
  • the dike can have an inner surface extending downward from the upper surface.
  • the dike can have a lower surface that is inclined forward from the lower end of the inner surface.
  • the upper surface and the lower surface can have different inclination angles.
  • the inclination angle of the lower surface can be greater than the inclination angle of the upper surface.
  • the inclination angle can mean an angle of inclination with respect to the forward-backward direction (Y).
  • the inner surface of the dike can have a predetermined length (h1) in the up-down direction (Z).
  • the above-mentioned dike may have a predetermined length in the forward and backward direction (X) to provide an energy nose.
  • the above-mentioned dike may have a length (d2) in the vertical direction longer than the length (d2) in the forward and backward direction.
  • the lower end of the inner surface of the above-mentioned dike may extend downward further than the lower end of the case (2).
  • the above-mentioned dike may be provided in a trapezoidal shape.
  • the isotherm of the above-mentioned insulation gap may have a portion extending downwardly to the right.
  • downwardly to the right may mean the direction of the rearward (+Y) and downward (-Z).
  • a sufficient interval of isotherms may be maintained by the downwardly-oriented isotherm. As the interval between isotherms becomes wider, the insulation effect may be enhanced. Sufficient insulation performance may be obtained even though the door is thin.
  • Heat transfer may occur downwardly to the left by the isotherm.
  • the dike may be provided at the upper end of the inner panel (32).
  • downwardly to the left may mean the direction of the forward (-Y) and downward (-Z).
  • the aspect of the heat transfer may improve the insulation performance by making the heat transfer length longer.
  • the vertical plane (XZ plane) in the forward/backward direction (Y) may be a substantial extension direction of a wall in which the door performs insulation.
  • the thickness of the door in the length in the forward/backward direction (Y) may perform an insulation function.
  • the energy nose (39) may perform an insulation function.
  • the thickness of the door including the energy nose may be referred to as a main insulation region (D).
  • the main insulation region may be referred to as an insulation gap.
  • the main insulation region may include an insulation wall region (d1) and an energy nose region (d2).
  • the insulation wall region may perform a function of reducing conductive heat.
  • the energy nose region may perform a function of reducing convection heat by flow.
  • the energy nose region may be equal to the forward/backward length (d2) of the dyke.
  • the pusher (6) may be placed in the main insulation region. At least a part of the pusher may be placed in the energy nose region. At least a part of the pressurizing portion may be placed in the main insulation region. The above pressurized portion can be placed in the above main insulation area. Accordingly, the insulation performance can be improved. The above gasket can be placed in the above main insulation area.
  • Figure 11 illustrates a configuration for preventing condensation on a door due to cold air.
  • the point where dew forms on the door may be the point with the lowest temperature among the outer surface of the door that comes into contact with outside air.
  • the lowest temperature point (c) may be at least one location.
  • the lowest temperature point (c) may be adjacent to the point where the cap (8) and the inner support plate (22) come into contact.
  • the lowest temperature point (c) may be the point where the lower wall (81) and the rear wall (82) come into contact.
  • the lowest temperature point (c) may be a branching portion (B) where the flow of cold air branches.
  • the branching may mean that the cold air flowing through the inner support plate (22) branches to the lower wall (81) and the rear wall (82).
  • a heat diffusion member (37) may be installed adjacent to the lowest temperature point (c).
  • the heat diffusion member may be a heat diffusion plate.
  • the above heat diffusion plate can promote heat transfer.
  • the heat diffusion member can use a metal plate material to dissipate heat.
  • the heat diffusion plate can also diffuse cold air. By diffusing the cold air, the lowest temperature point can be prevented from dropping to a temperature at which dew forms.
  • the heat diffusion plate can be provided on the rear side of the rear wall (82) adjacent to the lowest temperature point (c).
  • the heat diffusion plate can be provided on the lower surface of the lower wall (81) adjacent to the lowest temperature point (c).
  • the heat diffusion plate can be provided on at least one of the rear side and the front side of the inner support plate (22) adjacent to the lowest temperature point (c).
  • the above heat diffusion plate can prevent condensation.
  • the drawing illustrates, as an example, that the heat diffusion plate (37) is provided on the outer support plate (21), the lower support plate (23), the inner support plate (22), the rear wall (82), and the upper wall (83). Through this, external heat can be conducted to the lowest temperature point (c).
  • the arrows illustrate the direction of heat transfer.
  • the heat transfer path passing through the outer support plate (21), the lower support plate (23), and the inner support plate (22) can conduct heat from the outside air.
  • the heat transfer path passing through the rear wall (82) and the upper wall (83) can conduct heat from the outside air.
  • the heat transfer path passing through the rear wall (82) and the upper wall (83) can conduct heat from the heater.
  • a heater may be installed in the cabinet (11).
  • the heater may prevent condensation on the cabinet.
  • the heater may prevent condensation on the cabinet and the door together.
  • the heater may be installed in a partition wall that divides the storage space.
  • the partition wall may be a partition wall that divides the refrigerator and the freezer.
  • Fig. 12 is a drawing comparing the thickness of a door of the embodiment and a door of the comparative example.
  • Fig. 12(a) is a comparative example in which the cap recess is long left and right and has a single pusher.
  • Fig. 12(b) is an example in which the cap recess is short left and right and has at least two pushers.
  • the length (b1) of the door end of the embodiment in the front-back direction (Y) is smaller than the length (a1) of the door end of the comparative example in the front-back direction (Y). Accordingly, the internal volume of the storage space can be increased.
  • the problem of the insulation thickness of the door end becoming thin can be solved by various methods as described.
  • the length (b2) of the cap recess of the embodiment in the left-right direction (X) is smaller than the length (a2) of the door of the comparative example in the front-back direction (Y). Accordingly, the area in which the insulation thickness becomes narrow can be shortened.
  • the comparative example has a concern that the initial opening of the door may not be smooth due to a single pusher.
  • the concentrated force at one location may not be sufficient for the initial opening of the door. Since the force applied to a single member is large, there is a problem that the size of each member increases.
  • the embodiment may provide at least two pushers.
  • the embodiment may provide two pushers (6) on the left and right sides.
  • the pushers may be provided symmetrically in the left-right direction (X).
  • the pushers may be placed adjacent to the dividing points when the door is divided into three equal parts in the left-right direction (X).
  • the pushers may be placed in the middle area when the door is divided into three equal parts in the left-right direction (X).
  • the pushers may be placed adjacent to the second dividing point and the fourth dividing point from one end when the door is divided into six equal parts in the left-right direction (X).
  • the drawing shows that the pushers are adjacent to the second dividing point from the left.
  • the pushers may be placed in the third area and the fourth area from one end when the door is divided into six equal parts in the left-right direction (X).
  • Fig. 13 is a drawing comparing the internal areas.
  • Fig. 13(a) is a drawing showing the internal area of a comparative example
  • Fig. 13(b) is a drawing showing the internal area of an embodiment.
  • the internal area can be represented in size as a rectangle.
  • the internal area of the comparative example has a ratio (W1/H1) of the size (H1) in the up-down direction (Z) to the size (W1) in the front-back direction (Y) that is greater than 1.
  • the internal area of the embodiment has a ratio (W1/H1) of the size (H2) in the up-down direction (Z) to the size (W2) in the front-back direction (Y) that is greater than 1.
  • the internal area of the embodiment can have a ratio (W1/H1) of the size (H2) in the up-down direction (Z) to the size (W2) in the front-back direction (Y) that is greater than 2. According to the above ratio, it can be seen that the thickness of the door is reduced. If the thickness of the door is reduced, a large storage space can be obtained. The aesthetic appeal of the user can be improved.
  • FIGS. 14 to 20 illustrate a door (200) and an open module (9) of a refrigerator according to another embodiment of the present disclosure.
  • the description of the above-described embodiment with reference to FIGS. 1 to 13 may be applied to the present embodiment illustrated in FIGS. 14 to 20 as is unless otherwise stated.
  • descriptions of features identical to those of the above-described embodiment will be omitted.
  • a refrigerator according to another embodiment of the present disclosure will be described with reference to FIGS. 14 to 20.
  • the structure of the handle (94) of the present embodiment is different from the structure of the handle (4) of the aforementioned embodiment, and the structure of the handle (4) of the aforementioned embodiment cannot be applied as is to the present embodiment, but its function can be applied.
  • the description of the cabinet (11) and the first door (12, 13) of the aforementioned embodiment can be applied as is to the present embodiment.
  • Fig. 14 is a front view of the door (200), and Fig. 15 is a back view of the door (200).
  • the door (200) may include a front panel (310).
  • the front panel (310) may face forward.
  • the front panel (310) may include an opening (209).
  • the opening (209) may be located at the center in the width direction (left-right direction) of the door (200).
  • the opening (209) may be positioned adjacent to the top of the door (200).
  • the open module (9) can be exposed forward through the opening (209).
  • a portion of the open module (9) can be exposed forward through the opening (209).
  • the open module (9) includes an operating portion (95, see FIG. 16), and the front portion (951) of the operating portion (95) can be exposed forward through the opening (209).
  • the user can operate the operating unit (95) through the opening (209).
  • the user can open the door (200) by operating the operating unit (95).
  • the user can initially open the door (200) by operating the operating unit (95).
  • the user can push the operating unit (95) backward to withdraw the door (200) forward.
  • the user can raise the operating unit (95) upward to withdraw the door (200) forward.
  • the door (200) may include a door liner (320).
  • the door liner (320) may face rearward.
  • the door liner (320) may face the storage space.
  • the door liner (320) can be placed at the rear of the front panel (310).
  • the open module (9) includes a pusher (96) that pushes the cabinet (11) to open the door (200).
  • the door (200) has an opening in the rear surface, and the pusher (96) can move rearward through the opening in the rear of the door.
  • the opening may be a part of the door liner (320) or the front panel (310).
  • the opening through which the pusher (96) passes may be located lower than the opening (209) of the front panel (310).
  • the door (200) may include a cap (80).
  • the cap (80) may form an upper surface of the door (200).
  • the cap (80) may cover an upper portion between the front panel (310) and the door liner (320).
  • the cap (80) may not have a cap recess, unlike the cap (8) of the embodiment described with reference to FIGS. 1 to 13.
  • the open module (9) may include a case, similar to the embodiment described with reference to FIGS. 1 to 13, and the case may be attached to the cap (80).
  • the door (200) may include a door portion that closes the storage space of the cabinet (11) and a basket that is arranged at the rear of the door portion and placed in the storage space. The door (200) may be pulled out forward from the storage space.
  • a rail recess (33) is provided in the door liner (320), and a rail (29) can be mounted to the door section through a rail mount (321) and a fastening member.
  • the rail (29) can be mounted to a basket.
  • insulation may be filled between the front panel (310) and the door liner (320) of the door (200).
  • the insulation may be filled between at least a portion of the case and the front panel (310).
  • Figure 16 is a perspective view of the open module (9).
  • the open module (9) may include a handle (94).
  • the handle (94) may include an operating portion (95), a rotation shaft (942) that provides a center of rotation of the handle, and a lever (943) located lower than the center of rotation.
  • the operating portion (95) may include a front surface (951) and a rear surface (952).
  • the operating portion (95) may include a grip (950, see FIG. 17).
  • the grip (950) may be located at the rear of the front surface (951).
  • the grip (950) may be located between the front surface (951) and the rear surface (952).
  • the grip (950) may be recessed upward.
  • the handle (94) may include a body (941).
  • the rotation axis (942) may protrude in the left and right directions from the body (942).
  • a groove may be formed in the body (942), and an axis may be protruded from the case or door and inserted into the groove to provide an axis of rotation of the handle.
  • the body (942) can be extended in the width direction of the door (200). In the width direction of the door (200), the body (942) can be extended longer than the operating part (95).
  • the handle (94) may include a neck (945).
  • the neck (945) may extend from the body (941).
  • the neck (945) may extend from the center of the body (941).
  • the neck (945) may extend upward from the body (941).
  • the neck (945) can be connected to the operating unit (95).
  • the neck (945) can be connected to the rear surface (952).
  • the lever (943) can extend from the body (941).
  • the lever (943) can extend downward from the body (941).
  • the lever (943) may include first and second side ends (944) that protrude downwardly from the left and right ends of the body (941).
  • the lever (943) may extend between the first and second side ends (944) in the left and right directions. Alternatively, unlike as illustrated in FIG. 16, it may protrude only from the side ends of the body (941).
  • the outer end of the operating part (95) may be positioned further outward than the outer end of the lever (943, 944).
  • the open module (9) may include a link (97).
  • the link (97) may connect the handle (94) and the pusher (96).
  • the link (97) may come into contact with the handle (94).
  • the link (97) may be provided to be rotatable.
  • the link (94) may include a rotation axis (971).
  • the rotation axis (971) of the link (97) may be located lower than the rotation center (942) of the handle (94).
  • the link (97) may include a first arm (972) and a second arm (973).
  • the first arm (972) may extend upward from the rotation axis, and the second arm (973) may extend downward from the rotation axis.
  • the first arm (972) can be connected to a lever (943, 944).
  • the first arm (972) can contact the lever (943, 944).
  • the second arm (973) can be connected to a pusher (96).
  • the second arm (973) can contact the pusher (96).
  • the first arm (972) may be shorter than the lever (943) or the side end (944) of the lever.
  • the second arm (973) may be longer than the first arm (972).
  • the link (97) may include first and second links (97) on the first and second side ends (944) of the lever (943).
  • the open module (9) may include a pusher (96).
  • the pusher (96) may be provided to slide forward and backward.
  • the pusher (96) moves backward by the rotation of the handle (94) and the link (97), and moves forward by the elastic member (964).
  • the movement of the pusher (96) may be a relative concept with respect to the door (200).
  • the second door (200) includes a basket, and since food is stored in the basket, the load is heavy and the center of gravity is located lower than the handle part.
  • the refrigerator of this embodiment has the advantage of being able to be easily opened with little force by moving the point of action of the open module (9) pushing the cabinet (11) lower than the operating part (95) to which the user applies force, thereby preventing the door from rotating and converting the applied force into a translational motion.
  • the pusher (960) may be positioned lower than the operating unit (95).
  • the pusher (960) may be positioned at the same height as the lower end of the second arm (973) of the link (97).
  • the pusher (960) may be positioned adjacent to the side end of the door (200).
  • the pusher (960) may be positioned lower than the upper end of the door (200) so as to contact the side end of the cabinet (11).
  • the width of the pusher (960) in the left-right direction may be smaller than the height in the up-down direction.
  • the pusher (960) may include an outer end (961) connected to the link (94), an inner end (963) located at the rear, and an extension (962) connecting the outer end (961) and the inner end (963).
  • the outer end (961) extends in the door width direction from the extension (962) and may include an installation groove (965) in which an elastic member (964, see FIG. 17) is placed.
  • the open module (9) may include a case.
  • FIG. 17 and FIG. 18(a) are drawings showing the opening of a refrigerator according to another embodiment of the present disclosure.
  • the door (200) can close the storage space of the cabinet (11).
  • a gasket (111) is mounted on the door (200), and the gasket (111) can seal the space between the door (200) and the cabinet (11).
  • a large force may be initially required to open the door (200).
  • the user can initially open the door (200) by manipulating the open module (9).
  • the user can open the door (200) by pushing the operating part (95) backward.
  • the handle (94) When a force (F1) is applied to the operating unit (95) in the first direction (D1, rearward), the handle (94) can rotate in the first rotational direction (R1) around the rotational axis (942). At this time, the operating unit (95) can move rearward, and the levers (943, 944) can move forward.
  • the above first rotation direction (R1) is depicted as counterclockwise in Fig. 17.
  • the pusher (96) pushes the cabinet (11) rearward. Since the cabinet (11) is fixed, the link (97), the handle (94), and the door (200) are pushed forward. That is, the pusher (96) can slide rearward relative to the door (200) and remain stationary relative to the cabinet.
  • the pusher (96) may be in contact with the cabinet (11) when the door (200) closes the storage space and no external force is applied to the handle (94).
  • the pusher (96) when the door (200) closes the storage space and no external force is applied to the handle (94), the pusher (96) may be spaced from the cabinet (11), and when an external force is applied to the operating unit (95), the pusher (96) may move rearward and come into contact with the cabinet (11), and when an external force is applied to the operating unit (95) in this state, the handle (94) may rotate further and the pusher (96) may push the cabinet (11), thereby causing the door (200) to be pulled out.
  • the user can also open the door (200) by lifting the operating unit (95) upward.
  • the lower end of the front surface (951) of the operating unit (95) can be positioned forward of the rotation center (942) of the handle (94). That is, when no external force is applied to the operating unit (95), the handle (94) can be rotated so that the lower end of the front surface (951) moves upward along an arc.
  • the elastic member (964) can apply a force (F2) forward to the pusher (964).
  • F2 force
  • the pusher (96) moves forward by the elastic member (964)
  • the link (97) rotates in the first rotational direction
  • the handle can rotate in the second rotational direction.
  • the operating portion (95) can move forward (D2).
  • the open module (9) becomes the same state as that shown in Fig. 17, and the door (200) can be in the state of Fig. 18(a) spaced forward with respect to the cabinet (11).
  • the user can pull the handle (94) forward (D2) (F3) to pull the door (200) forward.
  • the user can also pull the door (200) forward by holding another part of the door (200) (e.g., the upper surface of the door) other than the handle (94).
  • the user can push the operating unit (95) rearward (D1) (F1) to initially open the door (200) while the door (200) is closed, and then pull the operating unit (95) or the handle (94) forward (D2) (F3) to withdraw the door (200).
  • the user can initially open the door (200) by lifting the operating unit (95) upward while the door (200) is closed, and then pull the operating unit (95) or the handle (94) forward (D2) (F3) to withdraw the door (200).
  • the force required for opening (or withdrawal) of the door (20, 200) is different at the beginning and thereafter, and particularly, a large force is required at the beginning. If the direction of force applied at the beginning and thereafter of opening the door (200) is the same, the door may open rapidly at the moment when the initial period requiring a large force is passed.
  • the user can withdraw the door (200) in two distinct steps.
  • the present embodiment allows the user to apply force in different directions for the initial opening and subsequent withdrawal of the door (200), and prevents the problem of the door (200) opening too quickly during this process.
  • Figure 18 is a drawing showing three embodiments showing the relative positions of the handle (94) and the link (97) in the forward and backward directions.
  • the rotation axis (942) of the handle (94) may be located forward (G1) of the link rotation axis (971) of the link (97).
  • the length of the handle (94) (length at the rotation radius of the handle) may be longer than the length of the link (97) (length of the link at the rotation radius of the link).
  • the front surface (951) of the operating portion (95) is arranged at the opening (209) or adjacent to the opening (209).
  • the rotation axis (942) of the handle (94) By arranging the rotation axis (942) of the handle (94) in front of the rotation axis (971) of the link (97), the space required for installation of the open module (9) can be reduced, and the door (200) can be designed thin.
  • the center of rotation (942) of the handle (94) may be located on the same vertical line as the axis of rotation (971) of the link (97). That is, the center of rotation (942) of the handle (94) may be located vertically above the axis of rotation (971) of the link (97).
  • the displacement of the lever (943, 944) in the forward and backward direction with respect to the rotation angle of the handle (94) is the sine value of the angle between the lever and the horizontal. Therefore, the amount of change in displacement is the cosine value. Therefore, the amount of change in displacement is the largest when the lever (943, 944) is located vertically below the rotation axis (942).
  • the amount of change in displacement of the first arm (971) in the forward/backward direction is greatest when the first arm is vertically above the rotational axis (971) of the link (97).
  • the pusher (96) can be moved a lot even if the handle (94) is rotated at a small angle.
  • the rotation axis (942, or center of rotation) of the handle may be located rearward (G2) than the rotation axis (971) of the link (97).
  • the user can open the door (200) by raising the operating unit (95) upward and rotating the handle (94) in the first direction.
  • the torque for rotating the handle (94) corresponds to the cosine value of the angle between the horizontal line and the operating unit (95). Therefore, the smaller the angle between the horizontal line and the operating unit (95), the less force is required to open the door (200).
  • the angle between the horizontal line and the operating part (95) can be smaller as the rotation axis (942) of the handle (94) is positioned further rearward.
  • the open module (9) may include a case.
  • the handle (94) is relatively large in volume compared to the link (97), and the rotation axis (942) of the handle (94) is positioned rearward of the rotation axis (971) of the link (97), thereby creating a space between the case and the front panel (310). Accordingly, when filling the inside of the door (200) with insulation, the insulation can be smoothly filled between the case and the front panel (310).
  • the front portion of the case can be spaced rearward from the front panel (310).
  • the lower portion of the front portion of the case can be spaced rearward from the front panel (310).
  • any of the embodiments or other embodiments of the present disclosure described above are not mutually exclusive or distinct. Any of the embodiments or other embodiments of the present disclosure described above may have their respective components or functions combined or used together.
  • a configuration A described in a particular embodiment and/or drawing can be combined with a configuration B described in another embodiment and/or drawing. That is, even if a combination between configurations is not directly described, it means that a combination is possible, except in cases where a combination is described as impossible.

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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)

Abstract

Réfrigérateur de la présente divulgation comprenant : une porte retirée vers l'avant à partir d'un espace de stockage d'une armoire ; et un module ouvert disposé sur la porte. Le module ouvert comprend : une poignée qui est agencée à l'intérieur de la porte de façon à pouvoir tourner par rapport à un centre de rotation dans la direction gauche-droite et qui comprend une partie d'actionnement qui est exposée à travers une ouverture disposée dans un panneau avant de la porte et qui est positionnée pour être supérieure au centre de rotation, ainsi qu'un levier qui est positionné pour être inférieur au centre de rotation ; une liaison comprenant une tige rotative de liaison, qui est positionnée pour être inférieure au centre de rotation de la poignée, un premier bras, qui s'étend vers le haut à partir de la tige rotative de liaison et est positionnée devant le levier, ainsi qu'un second bras, qui s'étend vers le bas à partir de la tige rotative de liaison ; et un poussoir agencé à l'arrière du second bras et agencé de façon à pouvoir coulisser vers l'arrière de façon à faire saillie à partir de la surface arrière de la porte.
PCT/KR2024/006657 2023-05-16 2024-05-16 Réfrigérateur Ceased WO2024237703A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202480032721.2A CN121241233A (zh) 2023-05-16 2024-05-16 冰箱
EP24807574.9A EP4715289A1 (fr) 2023-05-16 2024-05-16 Réfrigérateur

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2023-0063151 2023-05-16
KR20230063151 2023-05-16
KR1020240063937A KR20250164481A (ko) 2024-05-16 2024-05-16 냉장고
KR10-2024-0063937 2024-05-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240191933A1 (en) * 2022-12-12 2024-06-13 Lg Electronics Inc. Refrigerator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004116842A (ja) * 2002-09-25 2004-04-15 Matsushita Refrig Co Ltd 冷蔵庫
KR20120124693A (ko) * 2011-05-04 2012-11-14 엘지전자 주식회사 냉장고 및 냉장고 도어
US20130270990A1 (en) * 2012-04-16 2013-10-17 Lg Electronics Inc. Refrigerator
CN105466101A (zh) * 2015-12-25 2016-04-06 青岛海尔股份有限公司 具有把手的门体及冰箱
KR20170129541A (ko) * 2016-05-17 2017-11-27 동부대우전자 주식회사 도어 개방장치를 포함하는 냉장고

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004116842A (ja) * 2002-09-25 2004-04-15 Matsushita Refrig Co Ltd 冷蔵庫
KR20120124693A (ko) * 2011-05-04 2012-11-14 엘지전자 주식회사 냉장고 및 냉장고 도어
US20130270990A1 (en) * 2012-04-16 2013-10-17 Lg Electronics Inc. Refrigerator
CN105466101A (zh) * 2015-12-25 2016-04-06 青岛海尔股份有限公司 具有把手的门体及冰箱
KR20170129541A (ko) * 2016-05-17 2017-11-27 동부대우전자 주식회사 도어 개방장치를 포함하는 냉장고

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240191933A1 (en) * 2022-12-12 2024-06-13 Lg Electronics Inc. Refrigerator
US12578139B2 (en) * 2022-12-12 2026-03-17 Lg Electronics Inc. Refrigerator

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