WO2023121087A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2023121087A1
WO2023121087A1 PCT/KR2022/020063 KR2022020063W WO2023121087A1 WO 2023121087 A1 WO2023121087 A1 WO 2023121087A1 KR 2022020063 W KR2022020063 W KR 2022020063W WO 2023121087 A1 WO2023121087 A1 WO 2023121087A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
cold air
guide
duct
ice
Prior art date
Application number
PCT/KR2022/020063
Other languages
English (en)
Korean (ko)
Inventor
이상균
이윤석
동용원
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2023121087A1 publication Critical patent/WO2023121087A1/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • 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
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/061—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation through special compartments
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/062—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation along the inside of 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
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/806—Dispensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/40—Refrigerating devices characterised by electrical wiring

Definitions

  • This specification relates to a refrigerator.
  • a refrigerator is a home appliance that stores food at a low temperature in an internal storage space shielded by a refrigerator door, and cools the inside of the storage space using cold air generated through heat exchange with a refrigerant circulating in a refrigerating cycle. It is configured to keep the stored food in an optimal condition.
  • the refrigerator may be independently placed in a kitchen or a living room, or may be stored in a cabinet of a kitchen.
  • Refrigerators are gradually becoming larger and multi-functional in accordance with changes in eating habits and the trend of high quality products, and refrigerators equipped with various structures and convenient devices considering user convenience are being released.
  • Korean Patent Registration No. 10-0596569 which is a prior document, discloses a refrigerator.
  • the refrigerator of the prior art document includes a main body forming a cooling chamber, a door for opening and closing the cooling chamber, and a water dispenser provided in the door.
  • the refrigerator includes a hinge portion connecting the door and the main body, a water supply pipe for supplying water from a water supply source to the water dispenser via the main body, the hinge portion, and the door, and coupled to the hinge portion to supply the water It includes a hinge shaft main body made of a tubular body through which a pipe can pass through, and a hinge shaft provided with a guide part having a substantially elliptical cross section so that the water supply pipe flows into the hinge shaft main body with a gentle slope.
  • the hinge shaft is rotatably provided on the hinge part about an axial line of the hinge shaft.
  • the diameter of the hinge portion must be reduced, so that either a water supply pipe or an electric cable cannot pass therethrough.
  • the present embodiment provides a refrigerator capable of retracting at least one of a wire and a water pipe into the door while reducing the thickness of the door.
  • a refrigerator in which a door guide in a door reduces flow resistance of water in a water pipe without interfering with a surrounding structure.
  • a refrigerator in which water in a water pipe inside a door guide is prevented from being frozen by cold air in a cold air duct is provided.
  • a refrigerator may include a cabinet having a storage space.
  • the refrigerator may further include a door that opens and closes the storage space and includes a dispenser.
  • the refrigerator may further include a hinge device rotatably connecting the door to the cabinet.
  • the refrigerator may further include a water pipe drawn from the cabinet and drawn into the door.
  • the door is disposed at a position spaced apart from the center of rotation by the hinge device and may include a door opening through which the water pipe passes.
  • the door may further include an extended guide aligned with the door opening inside the door and accommodating the water pipe therein.
  • the door opening may be located on an upper side of the door.
  • the guide may extend downward from the door opening to guide the water pipe toward the dispenser.
  • the door may include a first side frame and a second side frame.
  • the door opening may be located closer to the first side frame than to the second side frame.
  • At least a portion of the door opening may overlap the dispenser in a vertical direction.
  • a portion of the guide may be bent toward the first side frame.
  • the guide may include a first part aligned with the door opening.
  • the guide may further include a second part extending from the second part to be inclined toward the first side frame.
  • the guide may further include a third part extending from the second part into a space between the first side frame and the dispenser.
  • the third part may extend in a straight line in a vertical direction.
  • a length of the third part may be longer than lengths of each of the first part and the second part.
  • the length of the third part may be longer than the sum of the lengths of the first part and the lengths of the second part.
  • the guide may further include a fourth part extending in a direction away from the front surface of the door and the first side frame from the third part.
  • the door may further include an ice-making chamber in which an ice maker is accommodated, and a cold air duct for guiding cold air into the ice-making chamber and discharging cold air from the ice-making chamber to the outside.
  • the guide may include a first part aligned with the door opening.
  • the guide may further include a second part extending from the first part to be inclined in a direction away from the ice-making chamber.
  • the guide may further include a third part extending downward from the second part.
  • the cold air duct may include a first duct for guiding cold air to the ice making chamber.
  • the cold air duct may further include a second duct for guiding the cold air discharged from the ice making chamber.
  • At least a portion of the third part may overlap the first duct and the door in a front-back direction.
  • the first duct may include a first portion communicating with the ice making chamber.
  • the first duct may further include a second portion extending to be inclined from a lower side of the first portion.
  • the first duct may further include a third portion extending downward from the second portion.
  • At least a portion of the third part may overlap the first portion in a front-back direction of the door.
  • a horizontal distance between the third part and the first part may be greater than a horizontal distance between the third part and the second part and a horizontal distance between the third part and the third part.
  • a horizontal distance between the upper part of the second part and the third part may be greater than a horizontal distance between the third part and the third part.
  • the second part may be inclined in a direction closer to the front surface of the door from the first part.
  • the door may include a first cold air opening and a second cold air opening positioned below the first cold air opening.
  • the cold air duct may include a first duct for guiding cold air introduced through the first cold air opening to the ice making chamber.
  • the cold air duct may further include a second duct for guiding the cold air discharged from the ice-making chamber toward the second cold air opening.
  • a lower end of the third part may be positioned lower than an upper end of the first cold air opening.
  • the water pipe can pass through the door opening at a position spaced apart from the center of the hinge of the door, there is an advantage in that the water pipe can be introduced into the door while reducing the thickness of the door.
  • flow resistance of water in the water pipe accommodated inside the door guide within the door can be reduced.
  • the water in the water pipe inside the door guide can be prevented from being frozen by the cold air of the cold air duct.
  • FIG. 1 is a perspective view of a refrigerator according to an embodiment
  • FIG. 2 is a perspective view showing a state in which a guide unit is connected to a cabinet and a door;
  • Figure 3 is a cross-sectional view taken along 3-3 in Figure 2;
  • FIG. 4 is a perspective view of a first door of this embodiment
  • FIG. 5 is a perspective view showing the internal structure of the first door of this embodiment
  • FIG. 6 is a plan view showing the internal structure of the first door of this embodiment.
  • FIG. 7 is a perspective view showing the arrangement of a door guide inside a first door according to this embodiment.
  • FIG. 8 is a vertical cross-sectional view showing the arrangement of the door guide inside the first door of FIG. 7 according to the present embodiment
  • FIG. 9 is a view showing a state in which a door guide is connected to a supporter of a door liner
  • FIG. 10 is a view showing the arrangement between the water pipe, the wall of the ice making chamber, and the dispenser within the first door;
  • FIG. 11 is a view showing the arrangement of a door guide and a cold air duct according to this embodiment.
  • FIG. 12 is a view of the cold air duct of the present embodiment as seen from the first duct side.
  • FIG. 13 is a view of the cold air duct of the present embodiment as seen from the second duct side.
  • FIG. 14 is a perspective view showing the arrangement of a cold air duct, a door guide, and a dispenser according to the present embodiment
  • 15 is a plan view showing the arrangement of a cold air duct, a door guide, and a dispenser according to the present embodiment
  • first, second, A, B, (a), and (b) may be used to describe components of an embodiment of the present invention. These terms are only used to distinguish the component from other components, and the nature, order, or order of the corresponding component is not limited by the term.
  • FIG. 1 is a perspective view of a refrigerator according to this embodiment
  • FIG. 2 is a perspective view showing a state in which a guide unit is connected to a cabinet and a door
  • FIG. 3 is a cross-sectional view taken along 3-3 in FIG. 2
  • FIG. 4 is this It is a perspective view of the first door of the embodiment.
  • the refrigerator 1 may be installed independently in a kitchen or installed in an indoor furniture cabinet.
  • the refrigerator 1 may be installed alone or arranged side by side with other refrigerators.
  • the refrigerator 1 may include a cabinet 10 having a storage space and a refrigerator door 20 opening and closing the storage space.
  • the storage space is not limited, but may be divided into an upper first space 11 and a lower second space 12, and the refrigerator door 20 also opens and closes the first space 11. It may include one door 21 and a second door 22 that opens and closes the second space 12 .
  • the first space 11 may be a refrigerating compartment, and the second space 12 may be a freezing compartment or vice versa.
  • the storage space includes a first space and a second space divided into left and right sides.
  • the storage space may be a single space, and a single refrigerator door may open and close the storage space.
  • At least one of the first door 21 and the second door 22 may be a rotation type door.
  • the single refrigerator door 20 may be a rotation type door.
  • the two first doors 21 are disposed left and right will be described as an example.
  • the first door 21 may be rotatably connected to the cabinet 10 by a hinge device 80 .
  • the hinge device 80 may include a hinge pin providing a rotation center C of the first door 21 .
  • Any one of the two first doors 21 may include a dispenser 23 .
  • the dispenser 23 may dispense water and/or ice. 1 shows that the dispenser is provided in the first door 21 on the left side as an example.
  • a part operating to discharge water and/or ice may be provided in the first door 21 .
  • the part may be electrically connected to the wire 44 .
  • the first door 21 may include a display unit and/or an input unit, and the display unit and/or input unit may be electrically connected to the wire 44 .
  • the wire 44 is connected to a controller provided in the cabinet 10, and is introduced into the first door 21 and directly or indirectly (when connected to a separate wire provided inside the first door). ) can be connected to the above parts.
  • the dispenser 23 may be connected to the water pipe 42 .
  • the water pipe 42 may be drawn into the first door 21 through the first door 21 after being drawn out from the inside of the cabinet 10 .
  • the fact that the wire 44 and/or the water pipe 42 is drawn into the first door 21 or the cabinet 10 means that the wire 44 and/or the water pipe 42 is on the contrary. It should be noted that it is also interpreted as being withdrawn from the first door 21 or cabinet 10.
  • the water pipe 42 may be introduced into the first door 21 and directly or indirectly connected to the dispenser 23 (when connected to a separate additional water pipe provided inside the first door).
  • At least one of the water pipe 42 and the wire 44 may be introduced into the first door 21 .
  • FIG. 2 shows, for example, that the water pipe 42 and the wire 44 are introduced into the first door 21 .
  • the refrigerator door 20 When the refrigerator 1 is installed in a cabinet in a kitchen, the refrigerator door 20 may generally protrude toward the front of the cabinet, although it may vary depending on the size of the cabinet. In order to prevent the refrigerator door 20 from protruding forward of the furniture cabinet, it may be considered to reduce the thickness of the refrigerator door 20 .
  • the diameter of the hinge pin of the hinge device 80 can be increased. In this case, the water pipe 42 and the wire 44 Hinge pins can pass through.
  • the diameter of the hinge pin must be reduced.
  • the water pipe 42 and the wire 44 cannot pass through the hinge pin.
  • the water pipe 42 and the wire 44 may pass through the refrigerator door 20 at a position spaced apart from the hinge device and be led into the refrigerator door 20 .
  • the water pipe 42 and the wire 44 may pass through the first door 21 at one side of the hinge device 80 in the first door 21 .
  • This embodiment may further include a guide unit 30 for guiding the water pipe 42 and/or the wire 44 .
  • the guide unit 30 may be omitted.
  • the guide unit 30 protects the water pipe 42 and/or the wire 44 and prevents the water pipe 42 and/or the wire 44 from being removed from the outside during the opening process of the first door 21 . exposure can be minimized.
  • the guide unit 30 is fixed to the guide housing 34 accommodating the water pipe 42 and the wire 44 and to the upper wall 101 of the cabinet 10, and the guide housing 34 It may include a cabinet guide 32 for guiding the movement of.
  • the cabinet guide 32 may be coupled to a position adjacent to the hinge device 80 in the cabinet 10 .
  • the water pipe 42 may be drawn out of the cabinet 10 directly behind the hinge device 80 and accommodated in the guide housing 34 .
  • the water pipe 42 drawn out from the cabinet 10 may be inserted into the guide housing 34 from the rear side of the guide housing 34 after being extended rearward, but is not limited thereto.
  • the wire 44 is located on the opposite side of the water tube 42 based on the guide housing 34, and may be introduced into the guide housing 34 from the rear side of the guide housing 34, but is limited thereto It is not.
  • the guide housing 34 When the first door 21 is closed, the guide housing 34 may extend in a straight line. Referring to FIG. 2 , the guide housing 34 may extend in a straight line in the front-rear direction.
  • the water pipe 42 and the wire 44 may also be guided toward the first door 21 in a straight line form within the guide housing 34 .
  • the upper surface of the first door 21 may be located higher than the upper wall 101 of the cabinet 10 .
  • the first door 21 has a recessed portion 255. can include
  • the recessed portion 255 may be formed as the rear surface of the first door 21 is recessed forward.
  • the depression 255 may be disposed at a position spaced downward from the upper surface of the first door 21 .
  • the bottom 255a of the concave portion 255 may be positioned at the same height as or substantially similar to the top surface of the cabinet 10 .
  • the recessed portion 255 is recessed downward from the upper surface of the first door 21 .
  • the recessed portion 255 may be recessed in a horizontal direction on one side of the first door 21 .
  • a part of the hinge device 80 may be inserted into the recessed portion 255 and connected to the bottom 255a.
  • the water pipe 42 and the wire 44 are guided to the recessed portion 255 of the first door 21 in a straight line within the guide housing 34, so that the guide housing 34 ) The bending of the water pipe 42 and the wire 44 in the inside can be minimized.
  • a door opening 255b may be formed at the bottom 255a of the depression 255 .
  • a hinge hole 255c through which the hinge pin passes may be formed in the bottom 255a of the depression 255 .
  • the rotation center C passes through the hinge hole 255c in the vertical direction.
  • the water pipe 42 and the wire 44 guided to the recessed portion 255 may pass through the door opening 255b and be introduced into the first door 21 .
  • the water pipe 42 and the wire 44 drawn from the inside of the first door 21 through the door opening 255b may be guided toward the cabinet 10 by the guide housing 34 .
  • the door opening 255b is spaced apart from the hinge hole 255c.
  • a diameter of the door opening 255b may be greater than a diameter of the hinge hole 255c.
  • the distance between the first side and the hinge hole 255c is greater than the distance between the first side and the door opening 255b. ) may be large.
  • a diameter of the door opening 255b may be greater than a distance from the front surface of the first door 21 to the door opening 255b.
  • the first door 21 of this embodiment includes a door frame, a front panel 240 coupled to the front surface of the door frame, and a door liner coupled to the rear surface of the door frame. 270) may be included.
  • the door frame may form part of the exterior of the first door 21 .
  • the door frame includes an upper frame 250, a lower frame 268, and a portion of side frames 260 and 262 (see FIG. 5) connecting the upper frame 250 and the lower frame 268, or can include all
  • the door frame is opened by the upper frame 250, the lower frame 268, and the side frames 260 and 262 (see FIG. 5) connecting the upper frame 250 and the lower frame 268. It may be formed in the form of a rectangular frame including.
  • the door frame may further include a front frame.
  • a front side of the front frame may cover the opening of the door frame.
  • the front panel 240 may be located on the front side of the front frame in the door frame.
  • the front panel 240 may be coupled to, but not limited to, the upper frame 250 and the lower frame 228 .
  • the front panel 240 may include a panel opening through which the dispenser 23 is exposed, and the front frame may also include a frame opening corresponding to the panel opening.
  • the door liner 270 may form an ice making chamber (to be described later) accommodating an ice maker for making ice.
  • the ice making chamber of the door liner 270 may be covered by the ice making chamber door 290 .
  • the door liner 270 may include a first liner 271 forming the ice-making chamber and a second liner 271a positioned below the first liner 271 .
  • the left and right widths of the second liner 271a may be greater than the left and right widths of the first liner 271 .
  • the second liner 271a may form a space in which a filter for accurately discharging water discharged from the dispenser 23 and/or a water tank storing water stored in the filter is located.
  • the second liner 271a may include a first cold air opening 276 and a second cold air opening 277 .
  • Cold air to be supplied to the ice making chamber may flow into the first cold air opening 276 .
  • the cold air supplied to the ice-making chamber may be discharged from the first door 21 through the second cold air opening 277 .
  • the first cold air opening 276 may be located above the second cold air opening 277 and may be aligned in a vertical direction.
  • a cold air duct communicating with the ice making chamber may be provided in the first door 21 .
  • Figure 5 is a perspective view showing the internal configuration of the first door of this embodiment
  • Figure 6 is a plan view showing the internal configuration of the first door of this embodiment
  • Figure 7 is the arrangement of the door guide inside the first door of this embodiment 8 is a perspective view
  • FIG. 7 is a view showing the arrangement of the door guide inside the first door of this embodiment.
  • FIG. 9 is a view showing how the door guide is connected to the supporter of the door liner
  • FIG. 10 is a cross-sectional view showing the arrangement between the water pipe, the wall of the ice making chamber, and the dispenser within the first door.
  • the side frames 260 and 262 may include a first side frame 260 and a second side frame 262 .
  • the first side frame 260 may contact one side of the upper frame 250 and the lower frame 268 .
  • the second side frame 260 may contact the other side surfaces of the upper frame 250 and the lower frame 268 .
  • the first side frame 260 is positioned adjacent to the recessed portion 255 .
  • the first side frame 260 may include an opening 263 formed at a position corresponding to the depression 255 .
  • the opening 263 allows the first door 21 to rotate without interfering with the hinge device 80 .
  • the first door 21 may further include a door guide 280 guiding the water pipe 42 within the first door 21 .
  • the first door 21 may further include a dispenser housing 230 .
  • the dispenser housing 230 may be positioned between the first side frame 260 and the second side frame 262 .
  • the dispenser housing 230 may be spaced apart from the first side frame 260 and the second side frame 262 .
  • the door guide 280 may extend from the door opening 255b side to the dispenser housing 230 side.
  • the door guide 280 may extend from the upper frame 250 side to the lower frame 268 side.
  • the door guide 280 is formed in a tubular shape having a passage therein, and may be bent one or more times.
  • Foaming liquid for forming an insulator may be injected into the first door 21 .
  • the water pipe 42 may be accommodated inside the door guide 280 . Therefore, the water tube 42 can be prevented from coming into contact with the foaming liquid, and the water tube 42 can be prevented from being damaged during the foaming process.
  • the upper side of the door guide 280 may be fixed to the bottom 255a of the concave portion 255 of the upper frame 250 .
  • the door guide 280 may be aligned with the door opening 255b while being fixed to the lower surface of the floor 255a.
  • the water pipe 42 passing through the door opening 255b may be introduced into the door guide 280 .
  • the door guide 280 may include a first part 282 aligned with the door opening 255b.
  • the first part 282 may extend in a vertical direction.
  • At least a portion of the door opening 255b may overlap the dispenser housing 230 in a vertical direction. If the door guide 280 extends downward in a straight line, it may interfere with the dispenser housing 230 .
  • the door guide 280 may further include a second part 283 inclined or bent from the first part 282 .
  • the second part 283 may extend downwardly from the first part 282 toward the first side frame 260 .
  • the door liner 270 may further include an ice-making compartment wall 272 forming an ice-making compartment 273 .
  • An ice maker 50 may be provided in the ice making compartment 273 . Water supplied to the ice maker 50 may be phase-changed into ice by cold air supplied to the ice maker chamber 273 .
  • the first part 282 Since the water pipe 42 is bent while passing through the door opening 255b, the first part 282 has a straight shape in the vertical direction so that the water pipe 42 is maintained in a straight shape over a predetermined length within the door. can be extended to
  • At least a portion of the first part 282 may be disposed to overlap the ice-making chamber wall 272 and the first door 21 in a front-back direction.
  • the second part 283 is formed on the wall of the ice-making compartment to prevent freezing of the water pipe 42 in the door guide 280 by the cold air. It may be inclined in a direction away from (272).
  • the door guide 280 may further include a third part 284 extending downward from the second part 283 .
  • the third part 284 may extend downward in a substantially straight line.
  • the third part 284 may extend into a space between the dispenser housing 230 and the first side frame 260 .
  • the third part 284 may be formed by connecting a single tube or a plurality of tubes.
  • the third part 284 may include an upper tube 284a and a lower tube 284b coupled to the upper tube 284a.
  • the lower tube 284b may be connected to the upper tube 284a so that the lower tube 284b may extend into a space between the dispenser housing 230 and the first side frame 260 .
  • the third part 284 may be disposed so as not to overlap the ice-making chamber wall 272 in the front-back direction of the first door 21 .
  • a wall closest to the front panel 240 among the walls 272 of the ice making chamber may be referred to as a front wall 274 .
  • the horizontal distance between the front panel 240 and the front wall 274 may be greater than the horizontal distance between the front panel 240 and the third part 284 .
  • the door guide 280 may further include a fourth part 286 extending rearward from the third part 284 .
  • the door guide 280 may further include a fifth part 287 extending obliquely from the fourth part 286 .
  • the entirety of the portion extending from the third part 284 may be referred to as the fourth part 286 without distinction between the fourth part 286 and the fifth part 287 .
  • the fifth part may be omitted.
  • a lower end of the third part 284 may be positioned lower than an upper end of the first cold air opening 276 .
  • the flow resistance of the water in the water pipe 42 increases.
  • the door guide 280 extends in a straight line as much as possible, the water pipe 42 inside the door guide 80 can also extend in a straight line, and the flow resistance of the water in the water pipe 42 can be minimized.
  • the third part 284 extends vertically in a straight line, and the length of the third part 284 may occupy the largest ratio in the total length of the door guide 280 .
  • a lower end of the third part 284 may be positioned higher than an upper end of the second cold air opening 277 .
  • the fourth part 286 may extend backward from the third part 284 and away from the first side frame 260 .
  • the fourth part 286 may extend to be close to the dispenser housing 230 .
  • the fifth part 287 may extend backward from the fourth part 286 .
  • the fifth part 287 may be connected to the supporter 279 coupled to the door liner 270 at the fourth part 286 .
  • the supporter 279 may support one or more parts inside the first door 21 .
  • the water pipe 42 may pass through the supporter 279 and be connected to the filter or valve.
  • the wire 44 may also be accommodated in the door guide 280.
  • the door guide 280 can accommodate and guide the water pipe 42 and the wire 44 together.
  • FIG. 11 is a view showing the arrangement of the door guide and the cold air duct of this embodiment
  • FIG. 12 is a view of the cold air duct of this embodiment viewed from the first duct side
  • FIG. 13 is a view of the cold air duct of this embodiment from the second duct side.
  • This is the drawing I was looking at.
  • 14 is a perspective view showing the arrangement of a cold air duct, door guide, and dispenser according to this embodiment
  • FIG. 15 is a plan view showing the arrangement of a cold air duct, door guide, and dispenser according to this embodiment.
  • the first door 21 of this embodiment may further include a cold air duct 60 .
  • the cold air duct 60 may include a first duct 610 communicating the first cold air opening 276 and the ice making chamber 273 .
  • the first duct 610 may guide cold air to the ice making chamber 273 .
  • the first duct 610 may include a first cool air hole 613 communicating with the first cool air opening 276 .
  • the first duct 610 may further include a second cold air hole 614 communicating with the ice making compartment 273 .
  • the second cold air hole 614 may be positioned higher than the first cold air hole 613 .
  • the cold air introduced into the first duct 610 through the first cold air hole 613 rises along the first duct 610 and then enters the ice making chamber 273 through the second cold air hole 614. can be supplied with
  • a first ice-making compartment hole aligned with the second cold air hole 614 may be formed in the ice-making compartment wall 272 .
  • the first duct 610 may include a first portion 612 .
  • the first duct 610 may further include a second portion 614 extending to be inclined from a lower side of the first portion 612 .
  • the first duct 610 may further include a third portion 616 extending downward from the second portion 614 .
  • the first part 612 may include the second cold air hole 614 .
  • the third portion 616 may include the first cold air hole 613 .
  • the vertical length of the first part 612 may be longer than the vertical lengths of each of the second part 614 and the third part 616 .
  • the vertical length of the first part 612 may be longer than the sum of the vertical lengths of the second part 614 and the third part 616 .
  • the first part 612 may be disposed to be adjacent to one side of both side surfaces of the first liner 271 .
  • the first part 612 may be disposed to face the one side of the first liner 271 .
  • the second part 614 may extend in a direction away from the one side surface of the first liner 271 .
  • the second part 614 may be inclined in a direction closer to the front surface of the first door 21 .
  • the first duct 610 may further include a discharge portion 618 positioned below the third portion 616 .
  • An internal passage of the discharge part 618 may be partitioned from a passage inside the third part 616 .
  • the discharge part 618 may be integrally formed with the third part 616 or coupled to the third part 616 .
  • the third portion 616 may include a fourth cold air hole 619 .
  • the cold air duct 60 may further include a second duct 620 communicating the second cold air opening 277 and the ice making chamber 273 to each other.
  • the second duct 620 may guide cold air from the ice making chamber 273 to the second cold air opening 277 .
  • the cabinet 10 includes first cabinet openings and second cabinet openings aligned with the first cool air openings 276 and the second cool air openings 277 in a closed state of the first door 21 . may be provided.
  • At least a portion of the second duct 620 may be disposed to overlap the first duct 610 .
  • first duct 610 and the second duct 620 may be disposed to overlap each other in the left and right directions of the first door 21 .
  • the second duct 620 may be positioned between the first duct 610 and the dispenser housing 230 .
  • the second duct 620 may include a third cold air hole 622 .
  • the third cold air hole 622 may be aligned with the second ice-making compartment hole 272a of the ice-making compartment wall 272 .
  • a lower side of the second duct 620 may communicate with the discharge portion 618 .
  • Cold air in the ice-making compartment 273 may pass through the second ice-making compartment hole 272a and flow into the second duct 620 through the third cold air hole 622 .
  • Cool air introduced into the second duct 620 rises along the second duct 620 and then flows into the discharge portion 618 .
  • Cool air flowing into the discharge part 618 may be discharged from the first door 21 through the fourth cold air hole 619 .
  • the door guide 280 may be disposed to overlap the cold air duct 60 and the first door 21 in the front-back direction.
  • the third part 284 may be disposed to overlap the first duct 610 and the first door 21 in a front-back direction.
  • the second part 614 may be inclined to approach the third part 284 at a lower side of the first part 612 .
  • the horizontal distance between the second part 614 and the third part 284 and the horizontal distance between the third part 614 and the third part 284 are greater than the first part 612 and the third part 612.
  • the horizontal distance between the three parts 284 is large.
  • the distance between the longest first part 612 and the third part 284 of the first duct 610 is the maximum. In this way, when the distance between the first part 612 and the third part 284 is maximum, the water in the water pipe 42 in the door guide 280 is frozen by the cold air flowing through the cold air duct 60. being can be minimized.
  • a horizontal distance between the upper part of the second part 614 and the third part 284 may be greater than a horizontal distance between the third part 616 and the third part 284 .
  • the second part 614 is inclined to approach the third part 385 from the lower side of the first part 612 and extends in a direction away from the one side surface of the first liner 271, the lower side A distance reduction between the second part 614 and the third part 284 can be minimized as it goes to .
  • the third part 284 is formed between the third part 616 and the first door 21. It can be non-overlapped in the front-back direction.

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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

Un réfrigérateur de la présente invention comprend : une armoire présentant un espace de stockage ; une porte servant à ouvrir et fermer l'espace de stockage et comportant un distributeur ; un appareil de charnière reliant de façon rotative la porte et l'armoire ; et un tuyau d'eau tiré de l'armoire et inséré dans la porte. La porte comprend : une ouverture de porte qui est disposée à l'opposé du centre de rotation de l'appareil de charnière et à travers laquelle passe le tuyau d'eau ; et un guide étendu aligné avec l'ouverture de porte à l'intérieur de la porte et recevant le tuyau d'eau à son sein.
PCT/KR2022/020063 2021-12-21 2022-12-09 Réfrigérateur WO2023121087A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2021-0183633 2021-12-21
KR1020210183633A KR20230094441A (ko) 2021-12-21 2021-12-21 냉장고

Publications (1)

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WO2023121087A1 true WO2023121087A1 (fr) 2023-06-29

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KR (1) KR20230094441A (fr)
WO (1) WO2023121087A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100054353A (ko) * 2008-11-14 2010-05-25 엘지전자 주식회사 냉장고
KR20180057717A (ko) * 2015-08-31 2018-05-30 엘지전자 주식회사 냉장고
US20180202706A1 (en) * 2017-01-03 2018-07-19 Samsung Electronics Co., Ltd Refrigerator
KR20180124454A (ko) * 2017-05-12 2018-11-21 엘지전자 주식회사 냉장고
KR20210109925A (ko) * 2020-02-28 2021-09-07 삼성전자주식회사 냉장고

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100054353A (ko) * 2008-11-14 2010-05-25 엘지전자 주식회사 냉장고
KR20180057717A (ko) * 2015-08-31 2018-05-30 엘지전자 주식회사 냉장고
US20180202706A1 (en) * 2017-01-03 2018-07-19 Samsung Electronics Co., Ltd Refrigerator
KR20180124454A (ko) * 2017-05-12 2018-11-21 엘지전자 주식회사 냉장고
KR20210109925A (ko) * 2020-02-28 2021-09-07 삼성전자주식회사 냉장고

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