Refrigerator

Abstract

The refrigerator according to the present invention includes a single cold air supply duct branched to include two independent cold air supply paths, thereby enabling cold air to be supplied to two independent storage compartments using only one cold air supply duct.

Description

Technology Field

[0001] The present invention relates to a refrigerator, and more specifically, to a refrigerator comprising a cold air supply duct branched to supply cold air to a plurality of storage compartments. Background Technology

[0002] A refrigerator is a home appliance that supplies cold air generated by the circulation of a refrigerant to a storage compartment, keeping various types of items fresh for a long period of time.

[0003] The cold air supplied to the refrigerator can be generated when the refrigerant, circulating in the order of compressor, condenser, evaporator, and compressor, flows into the evaporator and absorbs heat from inside the refrigerator as the liquid refrigerant vaporizes into gaseous refrigerant.

[0004] The cold air generated while passing through the evaporator in this manner can be supplied to the storage room by a grill fan assembly including a cold air flow path through which the cold air flows and a blower fan that blows the cold air into the storage room.

[0005] For example, in this specification, a cold air supply system is described as supplying cold air to a storage room using an evaporator and a grill fan assembly, but is not limited thereto, and the cold air supply system may include additional cold air supply related components in addition to the evaporator and the grill fan assembly.

[0006] The storage room can be used for various purposes, such as a refrigerator or a freezer.

[0007] Since the refrigerator compartment refrigerates items and the freezer compartment freezes items, the amount of cold air supplied needs to be adjusted differently so that the refrigerator and freezer compartments can maintain different temperatures.

[0008] Therefore, the refrigerator can be equipped with multiple independent storage compartments to secure multiple storage spaces for various uses.

[0009] In this way, when a refrigerator is equipped with multiple storage compartments having independent storage spaces, cold air can be supplied to each storage compartment by various cold air supply systems.

[0010] For example, if the refrigerator includes a main storage compartment and an auxiliary storage compartment that are independent storage spaces, a separate grill fan assembly and an evaporator may be placed in the main storage compartment and the auxiliary storage compartment, respectively.

[0011] Accordingly, the main storage room and the auxiliary storage room can be cooled independently by independent cold supply systems.

[0012] However, if the main storage room and the auxiliary storage room are cooled by separate cold supply systems as described above, there may be problems such as increased power consumption, noise, and component costs, as well as a decrease in the internal volume of the auxiliary storage room.

[0013] As another example, in a case where the refrigerator includes a main storage compartment and an auxiliary storage compartment that are independent storage spaces, a grill fan assembly and an evaporator may be placed only in the main storage compartment, and a connecting duct may be formed between the main storage compartment and the auxiliary storage compartment.

[0014] Accordingly, the cold air generated by the cold air supply system of the main storage room can be supplied to the auxiliary storage room through a connecting duct, so that the main storage room and the auxiliary storage room can be cooled by a single cold air supply system.

[0015] In this case, multiple auxiliary storage rooms may also be provided.

[0016] In this way, the first auxiliary storage room and the second auxiliary storage room, each equipped as a separate independent storage space, can be connected to the main storage room by a separate connecting duct.

[0017] In addition, by adding a blower fan to the grill fan assembly included in the cold air supply system of the main storage room, multiple blower fans can be provided so that cold air can be evenly supplied to multiple auxiliary storage rooms.

[0018] Accordingly, the cold air generated by the cold air supply system of the main storage room can be supplied to the first auxiliary storage room and the second auxiliary storage room through respective connecting ducts, so that two auxiliary storage rooms including the main storage room can be additionally cooled by one cold air supply system.

[0019] However, if the cold air supply system of the main storage room includes multiple blower fans as described above, there may be problems such as increased power consumption, noise, and component costs, as well as a decrease in the internal volume of the main storage room.

[0020] In addition, since the first auxiliary storage room and the second auxiliary storage room are each connected to the main storage room by separate connecting ducts, not only is the cost of parts for providing multiple connecting ducts increased, but problems such as positional dispersion that may occur during the assembly process of each component may also increase.

[0021] Accordingly, there is a need to develop a refrigerator that can efficiently and evenly cool two auxiliary storage compartments by means of a cooling supply system for the main storage compartment while reducing the aforementioned problems. The problem to be solved

[0022] The objective of the present invention is to provide a refrigerator capable of supplying cold air to two independent storage compartments through a single cold air supply duct.

[0023] In addition, the objective of the present invention is to provide a refrigerator capable of cooling three independent storage compartments using one evaporator and one blower fan.

[0024] In addition, the objective of the present invention is to provide a refrigerator capable of reducing power consumption, noise, and component costs.

[0025] In addition, the objective of the present invention is to provide a refrigerator comprising a cold air supply duct capable of implementing not only the function of supplying cold air but also the function of discharging cold air into a storage compartment.

[0026] In addition, the objective of the present invention is to provide a refrigerator capable of increasing the internal volume of a storage compartment where the evaporator and blower fan are not located.

[0027] In addition, the objective of the present invention is to provide a refrigerator comprising a cold air supply duct capable of evenly discharging cold air into the storage compartment while minimizing the influence of the difference in distance from the cold air inlet.

[0028] In addition, the objective of the present invention is to provide a refrigerator capable of improving the insertability and assembly convenience of a cold air supply duct.

[0029] In addition, the objective of the present invention is to provide a refrigerator capable of reducing the possibility of positional variation and flow path area variation that may occur during the assembly process of a cold air supply duct.

[0030] In addition, the objective of the present invention is to provide a refrigerator capable of fixing a cold air supply duct without a separate fastening process between the cold air supply duct and the storage case.

[0031] The objects of the present invention are not limited to those mentioned above, and other unmentioned objects and advantages of the present invention may be understood from the following description and will be more clearly understood by the embodiments of the present invention. Furthermore, it will be readily apparent that the objects and advantages of the present invention can be realized by the means and combinations thereof set forth in the claims. means of solving the problem

[0032] A refrigerator according to one embodiment of the present invention for solving the problem described above is characterized by the technical feature of including a cold air supply duct branched to distribute and supply cold air to a first-1 storage compartment and a first-2 storage compartment, respectively.

[0033] Specifically, the cold air supply duct is branched to distribute and supply cold air blown from the second storage compartment to the first-1 storage compartment and the first-2 storage compartment, respectively, so that cold air can be supplied to two independent storage compartments through a single cold air supply duct.

[0034] The refrigerator comprises a first-1 storage compartment, a first-2 storage compartment, and a second storage compartment separated into independent spaces, and a cold air supply duct branched to distribute and supply cold air blown from the second storage compartment to the first-1 storage compartment and the first-2 storage compartment, respectively.

[0035] In addition, in another embodiment of the present invention, the second storage compartment may be provided with an evaporator that generates cold air and a blower fan that blows the cold air generated from the evaporator to the first-1 storage compartment, the first-2 storage compartment, and the second storage compartment.

[0036] In addition, in another embodiment of the present invention, the first-1 storage compartment may be provided with a first-1 duct assembly that is in communication with the cold air supply duct and includes a first-1 cold air discharge port, and cold air may be discharged into the first-1 storage compartment through the first-1 cold air discharge port.

[0037] In addition, in another embodiment of the present invention, a portion of the cold air supply duct including a first-2 cold air discharge port is arranged on the outer rear side of the first-2 storage compartment so as to overlap with the rear side of the first-2 storage compartment, and cold air can be discharged into the first-2 storage compartment through the first-2 cold air discharge port.

[0038] In addition, in another embodiment of the present invention, the first-2 storage compartment may be provided with a first-2 flow path opening / closing damper that selectively blocks cold air, and a first-2 duct assembly that is in communication with the cold air supply duct, including a first-2 cold air discharge port, and cold air may be discharged into the first-2 storage compartment through the first-2 cold air discharge port.

[0039] In addition, a refrigerator according to one embodiment of the present invention for solving the problem described above is characterized by the technical feature of including a cold air supply duct comprising a first cold air supply path and a second cold air supply path capable of supplying cold air to different storage compartments.

[0040] Specifically, by including a first cold air supply path connecting the first-1 storage compartment and the second storage compartment, and a second cold air supply path connecting the first-2 storage compartment and the second storage compartment, cold air can be supplied to two independent storage compartments through a single cold air supply duct.

[0041] The refrigerator comprises a first storage compartment including a first-1 storage compartment and a first-2 storage compartment, a second storage compartment disposed on one side of the first storage compartment, and a cold air supply duct including a first cold air supply path connecting the first-1 storage compartment and the second storage compartment and a second cold air supply path connecting the first-2 storage compartment and the second storage compartment.

[0042] In addition, in another embodiment of the present invention, the first-2 storage compartment may be disposed below the first-1 storage compartment.

[0043] In addition, in another embodiment of the present invention, the cold air supply duct comprises a cold air inlet communicating with the second storage compartment, a first-1 cold air outlet communicating with the first-1 storage compartment, and a first-2 cold air outlet communicating with the first-2 storage compartment, and a portion of the cold air introduced from the second storage compartment may be supplied to the first-1 storage compartment through the first cold air supply path, and a portion of the cold air introduced from the second storage compartment may be supplied to the first-2 storage compartment through the second cold air supply path.

[0044] In addition, in another embodiment of the present invention, the cold air inlet and the first-1 cold air outlet may be arranged to face each other.

[0045] In addition, in another embodiment of the present invention, the cold air supply duct includes a guide portion that divides the area to be branched into the first cold air supply path and the second cold air supply path, and one end of the guide portion may face the cold air inlet portion.

[0046] In addition, in another embodiment of the present invention, the length from one end of the guide portion to the upper surface of the cold air inlet portion may be longer than the length from one end of the guide portion to the lower surface of the cold air inlet portion.

[0047] In addition, in another embodiment of the present invention, the length from the upper side to the lower side of the first-1 cold air outlet may be longer than the length from one end of the guide portion to the upper side of the cold air inlet portion.

[0048] In addition, in another embodiment of the present invention, the cross-sectional area of ​​the first cold air outlet through which cold air passes may be greater than or equal to the cross-sectional area of ​​the cold air inlet corresponding to the first cold air supply path through which cold air passes.

[0049] In addition, in another embodiment of the present invention, the upper surface of the cold air inlet may be located above the upper surface of the first-1 cold air outlet.

[0050] In addition, in another embodiment of the present invention, a second-1 cold air discharge port is disposed in the second storage compartment to discharge cold air into the second storage compartment, and the second-1 cold air discharge port may be located above the upper surface of the cold air inlet.

[0051] In addition, in another embodiment of the present invention, the first-2 cold air outlet may be positioned at the rear of the first-2 storage compartment and may extend along the left-right direction of the first-2 storage compartment.

[0052] In addition, in another embodiment of the present invention, the first-2 cold air outlet includes a first-2 cold air discharge port that discharges cold air into the first-2 storage compartment, and the first-2 cold air discharge port may extend along the left-right direction of the first-2 cold air outlet.

[0053] In addition, in another embodiment of the present invention, the first-2 cold air discharge port includes a plurality of slits that divide the first-2 cold air discharge port in an up-and-down direction, and the plurality of slits may be arranged at equal intervals.

[0054] In addition, in another embodiment of the present invention, the cold air supply duct may include a first connecting part disposed between the first-1 storage compartment and the second storage compartment, a second connecting part extending downward from one side of the first connecting part, and a bent part extending from one side of the second connecting part to be bent toward the rear of the first-2 storage compartment.

[0055] In addition, in another embodiment of the present invention, the bent portion is bent and extended from one side of the second connecting portion so as to cross the rear surface of the first and second storage compartments in a left-right direction, and the cross-sectional area through which cold air passes may decrease as the bent portion moves away from the second connecting portion.

[0056] In addition, in another embodiment of the present invention, the first-1 storage compartment includes a first-1 cold air inlet surface corresponding to the first-1 cold air outlet, and the second storage compartment includes a cold air outlet surface corresponding to the cold air inlet surface, wherein the first-1 cold air inlet surface and the cold air outlet surface are arranged to face each other at a predetermined distance apart, with the distance between them narrowing from the rear to the front, and the first surface of the cold air supply duct corresponding to the first-1 cold air inlet surface and the second surface of the cold air supply duct corresponding to the cold air outlet surface may have a distance between them narrowing from the rear to the front.

[0057] In addition, in another embodiment of the present invention, a sealing foam may be disposed between the first-1 cold air inlet surface and the first surface, and between the cold air outlet surface and the second surface, respectively.

[0058] In addition, in another embodiment of the present invention, a spacer protruding in the rearward direction is disposed on the rear surface of the cold air supply duct, and a back plate that presses the spacer in the frontward direction may be disposed on the rear surface of the spacer. Effects of the invention

[0059] The refrigerator according to the present invention includes a single cold air supply duct branched to include two independent cold air supply paths, thereby enabling cold air to be supplied to two independent storage compartments using only one cold air supply duct.

[0060] In addition, the refrigerator according to the present invention includes a single cold air supply duct branched to include two independent cold air supply paths, thereby enabling cooling of three independent storage compartments with only one evaporator and one blower fan placed in one storage compartment.

[0061] In addition, the refrigerator according to the present invention can cool three independent storage compartments with only one evaporator and one blower fan placed in one storage compartment, so the internal volume of the storage compartments where the evaporator and blower fan are not located can be increased.

[0062] In addition, the refrigerator according to the present invention can cool three independent storage compartments with only one evaporator and one blower fan placed in one storage compartment, thereby reducing power consumption and noise that may occur due to the addition of an evaporator and a blower fan.

[0063] In addition, the refrigerator according to the present invention can cool three independent storage compartments by simply having a single cold air supply duct that supplies cold air to two independent storage compartments, so the increase in component costs can be minimized.

[0064] In addition, the refrigerator according to the present invention can supply cold air using a cold air supply duct that can implement not only the function of supplying cold air but also the function of discharging cold air into the storage compartment by arranging a cold air discharge port capable of directly discharging cold air into the storage compartment at a bent portion of the cold air supply duct.

[0065] In addition, the refrigerator according to the present invention has a cold air discharge port that can directly discharge cold air into the storage compartment by being disposed of at the bend of the cold air supply duct. Since a separate duct assembly that receives cold air supplied from the cold air supply duct and discharges cold air into the storage compartment is not required, the area occupied by the duct assembly can be utilized internally, thereby increasing the internal volume of the storage compartment.

[0066] In addition, the refrigerator according to the present invention has a shape in which a bent portion of a cold air supply duct, in which a cold air discharge port is arranged, is bent and extended toward the rear of the storage compartment, and the cross-sectional area through which the cold air passes decreases so that the flow velocity of the cold air increases as it moves away from the cold air inlet, thereby reducing the difference in cold air discharge pressure that may occur due to the difference in distance from the cold air inlet and allowing the cold air to be discharged evenly into the storage compartment.

[0067] In addition, the refrigerator according to the present invention can improve the insertability and ease of assembly of the cold supply duct by inserting and fixing a cold supply duct, including a cold air outlet and a cold air inlet, between two storage compartments from the rear to the front, and forming the mating surfaces of the inserted cold supply duct and the storage compartments to have inclined surfaces such that the spacing between them narrows as it goes from the rear to the front.

[0068] In addition, the refrigerator according to the present invention is formed such that the mating surfaces of the inserted cold air supply duct and the storage compartment have inclined surfaces such that the distance between them narrows from the rear to the front, thereby reducing the occurrence of displacement or slippage of the sealing foam that may occur during the process of inserting the cold air supply duct between two storage compartments, even when a sealing foam is formed between the mating surfaces of the cold air supply duct and the storage compartment.

[0069] Therefore, the possibility of positional variation and flow path area variation occurring during the assembly process of the cold air supply duct can be reduced.

[0070] In addition, the refrigerator according to the present invention has a spacer protruding in the rearward direction on the back surface of the cold air supply duct and a back plate that presses the spacer in the frontward direction, so that even after the cold air supply duct is inserted and temporarily fixed between the storage compartments, the cold air supply duct can be inserted into the correct position by an additionally pressing the back plate.

[0071] Therefore, not only can the possibility of positional variation and flow path area variation occurring during the assembly process of the cold air supply duct be reduced, but the cold air supply duct can also be fixed in the most precise position possible without a separate fastening process between the cold air supply duct and the storage case.

[0072] In addition to the effects described above, the specific effects of the present invention are described together with the specific details for implementing the invention below. Brief explanation of the drawing

[0073] Figure 1 is a front view of a refrigerator with the first door open. FIG. 2 is a front perspective view of a refrigerator with the first and second doors removed. FIG. 3 is a front view of the first storage compartment and the second storage compartment. FIG. 4 is a rear view illustrating a cold air supply duct and a cold air recovery duct connecting the first storage compartment and the second storage compartment. FIG. 5 is a cross-sectional view of a second storage compartment with a second door installed. FIG. 6 is a cross-sectional view of the first storage compartment with the second door installed. FIG. 7 is a cross-sectional view schematically illustrating a cold air supply duct and a cold air recovery duct connected to the first storage compartment. Figure 8 is an exploded perspective view of a cold air supply duct. Figure 9 is a rear view of the cold air supply duct. Figure 10 is a front view of the cold air supply duct. FIG. 11 is a cross-sectional view in the rear direction of the 1-1 duct assembly, grill fan assembly, and cold air supply duct. Figure 12 is a cross-sectional view of the upper surface of the cold air supply duct. FIG. 13 is a rear perspective view of a cold air supply duct and a spacer coupled to the rear surfaces of the first storage compartment and the second storage compartment. FIG. 14 is a perspective cross-sectional view from the front direction of a cold air supply duct, spacer, and back plate coupled to the back of the first storage compartment and the second storage compartment. FIG. 15 is a rear view illustrating a cold air supply duct and a cold air recovery duct according to another embodiment connecting a first storage compartment and a second storage compartment. FIG. 16 is a front view illustrating the interior of a first storage compartment according to another embodiment. Specific details for implementing the invention

[0074] The aforementioned objectives, features, and advantages are described in detail below with reference to the attached drawings, thereby enabling those skilled in the art to easily implement the technical concept of the present invention. In describing the present invention, detailed descriptions of known technologies related to the present invention are omitted if it is determined that such descriptions would unnecessarily obscure the essence of the invention. Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the attached drawings. In the drawings, the same reference numerals are used to indicate the same or similar components.

[0075] Although terms such as "first," "second," etc., are used to describe various components, it goes without saying that these components are not limited by these terms. These terms are used merely to distinguish one component from another, and unless specifically stated otherwise, the first component may also be the second component.

[0076] Throughout the specification, unless specifically stated otherwise, each component may be singular or plural.

[0077] In the following, the statement that any configuration is placed on the "upper (or lower)" of a component or on the "upper (or lower)" of a component may mean not only that any configuration is placed in contact with the upper (or lower) surface of said component, but also that another configuration may be interposed between said component and any configuration placed on (or below) said component.

[0078] In addition, where it is stated that one component is "connected," "combined," or "connected" to another component, it should be understood that while the components may be directly connected or connected to each other, another component may be "interposed" between each component, or each component may be "connected," "combined," or "connected" through another component.

[0079] Singular expressions used in this specification include plural expressions unless the context clearly indicates otherwise. In this application, terms such as "composed of" or "comprising" should not be interpreted as necessarily including all of the various components or steps described in the specification, and should be interpreted as meaning that some of the components or steps may be omitted or additional components or steps may be included.

[0080] Throughout the specification, "A and / or B" means A, B, or A and B unless specifically stated otherwise, and "C to D" means C or more and D or less, unless specifically stated otherwise.

[0081] Hereinafter, a refrigerator according to some embodiments of the present invention will be described.

[0082] Referring to FIG. 1 and FIG. 2, a refrigerator according to one embodiment of the present invention and each major component constituting the same will be described.

[0083] The refrigerator (1) may have an exterior formed by a cabinet (2) having one or more storage compartments (110, 210) that are storage spaces for products inside, and a plurality of doors (11, 12) that can open and close the open front of the cabinet (2).

[0084] The cabinet (2) may include an outer case (20) and an inner case (10) coupled to the inside of the outer case (20).

[0085] The cabinet (2) may be a box-shaped cabinet with an open front and may be divided into one or more storage spaces, including a refrigerator and / or freezer.

[0086] The inner case (10) can be arranged such that the first inner case (100) is located at the top and the second inner case (200) is located at the bottom.

[0087] In this case, the first inner case (100) may include one or more first storage rooms (110), and the first storage room (110) may be a refrigerator room, and the second inner case (200) may include one or more second storage rooms (210), and the second storage room (210) may be a freezer room.

[0088] However, it is not limited to this, and the first storage room (110) may be a freezer and the second storage room (210) may be a refrigerator, and each may be a variable storage room in which the freezer and the refrigerator may be variable.

[0089] A display unit (40) is positioned in the inner upper area of ​​the first storage room (100) to provide an interface that allows the user to adjust the temperature of the variable storage room.

[0090] The second inner case (200) may have its space divided so that a plurality of second storage rooms (210) are arranged side by side by a partition (221) that extends vertically near the central area to partition the space, but is not limited thereto.

[0091] Additionally, each of the multiple second storage rooms (210) may include a first barrier section (231) and a second barrier section (232) that extend in the left and right directions near the central area to partition the space, thereby allowing each second storage room (210) to be divided into multiple spaces, but is not limited thereto.

[0092] The first storage room (110) of the first inner case (100) can be opened and closed by a pair of rotary first doors (11) that rotate by a hinge (30).

[0093] The second storage room (210) of the second inner case (200) can be opened and closed by a plurality of drawer-type second doors (12) that are pulled in and out by rails.

[0094] In the present invention, a plurality of second doors (12) are provided in four numbers to open and close a second storage room (210) comprising four storage compartments partitioned by a partition section (221), a first barrier section (231), and a second barrier section (232), but the invention is not limited thereto.

[0095] The outer case (20) can have its rear, side, top, and bottom surfaces formed as separate assemblies, and can form an outer surface excluding the front of the refrigerator (1).

[0096] The first inner case (100) and the second inner case (200) are positioned to be inserted into the outer case (20), but the front can be exposed to the outside to form the front exterior of the refrigerator (1).

[0097] The first inner case (100) and the second inner case (200) can be formed to be separated from each other.

[0098] For example, the first inner case (100) and the second inner case (200) may each be formed as an integral unit by a vacuum forming method, but are not limited thereto.

[0099] Hereinafter, with further reference to FIGS. 3 to 7, a second inner case (200) divided into a plurality of storage compartments including a first barrier section (231) and a second barrier section (232) will be described in more detail.

[0100] In addition, for convenience of explanation, the second internal case (200) will be referred to as the storage case (200) in the following description.

[0101] The storage case (200) may include one or more storage compartments (211, 212).

[0102] In the present specification, the storage compartment (211, 212) may mean a storage space such as a storage room (210), but is not limited thereto, and may also mean an external shape line forming the storage room (210), such as a storage case (200).

[0103] For example, the storage case (200) may include a first storage compartment (211) and a second storage compartment (212) arranged side by side in the left and right directions, separated by a partition (221) that crosses the storage case (200) in the up and down direction.

[0104] Specifically, the storage case (200) may be formed so that the first storage compartment (211) and the second storage compartment (212) share a boundary surface, such as sharing a partition (221).

[0105] In this case, the storage case (200) may include a partition (221) and the first storage compartment (211) and the second storage compartment (212) may be formed integrally by vacuum molding, but is not limited thereto.

[0106] For example, the first storage compartment (211) and the second storage compartment (212) may each be formed independently of each other without sharing a separate boundary surface such as the partition (221).

[0107] As described above, the first storage compartment (211) and the second storage compartment (212) can be formed separately to form independent storage spaces.

[0108] A first barrier section (231) that crosses the first storage compartment (211) in the left-right direction may be placed within the first storage compartment (211).

[0109] The first barrier section (231) may extend from the front of the first storage compartment (211) toward the rear so as to be in contact with the rear (211b) of the first storage compartment (211).

[0110] Specifically, the first barrier section (231) may be positioned to be in contact with both sides and the rear (211b) of the first storage compartment (211).

[0111] Accordingly, the first storage compartment (211) can be divided vertically by the first barrier section (231) so that the storage space is separated into the first-1 storage compartment (2111) and the first-2 storage compartment (2112).

[0112] Accordingly, the first-2 storage compartment (2112) can be placed below the first-1 storage compartment (2111), and the first-1 storage compartment (2111) and the first-2 storage compartment (2112) can be separated into independent storage spaces with the first barrier portion (231) as the boundary surface.

[0113] A second storage compartment (212) may be placed on one side of the first storage compartment (211), and specifically, the first storage compartment (211) and the second storage compartment (212) may be placed side by side in the left-right direction.

[0114] A second barrier section (232) that crosses the second storage compartment (212) in the left-right direction may be placed within the second storage compartment (212).

[0115] The second barrier section (232) may be extended from the front of the second storage compartment (212) toward the rear so as to be spaced apart from the rear (212b) of the second storage compartment (212).

[0116] Specifically, the second barrier portion (232) may be positioned so as to be in contact with both sides of the second storage compartment (212), but spaced apart from the rear surface (212b) of the second storage compartment (212).

[0117] Accordingly, the second storage compartment (212) is divided vertically into the second-1 storage compartment (2121) and the second-2 storage compartment (2122) by the second barrier section (232), but the storage spaces of the second-1 storage compartment (2121) and the second-2 storage compartment (2122) are not separated from each other and can be connected to each other.

[0118] Therefore, the 2-1 storage compartment (2121) and the 2-2 storage compartment (2122) can form a single connected storage space rather than independent storage spaces.

[0119] However, when viewed from the perspective of storage space, a second door (12) having a separately formed drawer-type storage space can be inserted into each of the second-1 storage compartment (2121) and the second-2 storage compartment (2122), so that the second-1 storage compartment (2121) and the second-2 storage compartment (2122) can be used as separate storage spaces by the second door (12).

[0120] The first barrier section (231) and the second barrier section (232) may each be inserted in a sliding manner into the first storage compartment (211) and the second storage compartment (212), but are not limited thereto.

[0121] Thus, the refrigerator (1) according to the present invention can be implemented to have a storage space of the 4-door drawer type by including a storage case (200) that includes a plurality of storage compartments (211, 212) arranged side by side in the left and right directions, and by including a plurality of barrier parts (231, 232) that cross each of the storage compartments (211, 212) again in the left and right directions.

[0122] In addition, the refrigerator (1) according to the present invention can be implemented to have three independent storage spaces, such as a first-1 storage compartment (2111), a first-2 storage compartment (2112), and a second storage compartment (212), when viewed from the perspective of independent storage spaces.

[0123] An evaporator (250) that generates cold air and a blower fan module (241) that blows the cold air generated from the evaporator (250) to each storage compartment may be disposed on the inner side of the rear (212b) of the second storage compartment (212).

[0124] Specifically, only one evaporator (250) and one blower fan module (241) can be placed on the inner side of the rear (212b) of the second storage compartment (212).

[0125] In this specification, the blower fan module (241) may be shortened to blower fan.

[0126] A grill fan assembly (240) may be placed on the front of the blower fan module (241) to finish the internal exterior and provide a flow path for cold air to flow through.

[0127] The cold air generated in the evaporator (250) can be discharged through the blower fan module (241) to a plurality of cold air outlets in the second storage compartment (212).

[0128] In this case, a second-1 cold air discharge port (2421) is positioned in the upper region of the second-1 storage compartment (2121), and a second-2 cold air discharge port (2422) is positioned in the lower region, so that cold air generated from the evaporator (250) can be discharged into the second-1 storage compartment (2121).

[0129] In addition, a second-1 ice cold air outlet (2431) and a second-2 ice cold air outlet (2432) are respectively arranged on both sides of the second-1 cold air outlet (2421) to supply cold air to an ice maker (not shown) that can be additionally installed in the upper area of ​​the second storage compartment (212) to produce ice.

[0130] The second-1 cold air outlet (2421), the second-1 ice cold air outlet (2431), and the second-2 ice cold air outlet (2432) may be positioned above the blower fan module (241), and the second-2 cold air outlet (2422) may be positioned below the blower fan module (241).

[0131] A second-3 cold air discharge port (2423) is positioned in the upper region of the second-2 storage compartment (2122) so that cold air generated from the evaporator (250) can be discharged into the second-2 storage compartment (2122).

[0132] In this case, the second-third cold air outlet (2423) can be positioned to overlap with the second barrier section (232) located at the front in the front-rear direction.

[0133] A second-1 cold air recovery port (2521) for recovering cold air discharged into the second storage compartment (212) may be disposed in the lower area of ​​the second-2 storage compartment (212).

[0134] As previously explained, the second barrier section (232) is positioned so as to be spaced apart from the rear of the second storage compartment (212b) and thus connects the second-1 storage compartment (2121) and the second-2 storage compartment (2122), so the cold air circulating between the second-1 storage compartment (2121) and the second-2 storage compartment (2122) can be shared with each other.

[0135] Accordingly, the cold air discharged through the 2-1 cold air discharge port (2421), the 2-2 cold air discharge port (2422), and the 2-3 cold air discharge port (2423) is recovered into the 2-1 cold air recovery port (2521) located in the lower area, thereby allowing the cold air to circulate evenly throughout the 2-1 storage compartment (2121) and the 2-2 storage compartment (2122).

[0136] That is, the cold air circulating between the 2-1 storage compartment (2121) and the 2-2 storage compartment (2122) can be discharged through the same cold air discharge port and recovered through the same cold air recovery port.

[0137] Accordingly, the 2-1 storage compartment (2121) and the 2-2 storage compartment (2122) can be controlled to the same temperature, and the 2-1 storage compartment (2121) and the 2-2 storage compartment (2122) can be used as a freezer.

[0138] Meanwhile, cold air generated in the evaporator (250) located at the rear (212b) of the second storage compartment (212) can be blown by the blower fan module (241) and supplied to the first storage compartment (211) through the cold air supply duct (300).

[0139] Cold air blown from the second storage compartment (212) can be supplied to the first-1 storage compartment (2111) and the first-2 storage compartment (2112) respectively by a single cold air supply duct (300) that is branched to include two independent cold air supply paths that distribute cold air to the first-1 storage compartment (2111) and the first-2 storage compartment (2112), respectively.

[0140] A cold air inlet (310) communicating with the upper area of ​​one side of the second storage compartment (212) may be formed on one side of the cold air supply duct (300).

[0141] And on the other side of the cold air supply duct (300), a first-1 cold air outlet (3111) may be formed that communicates with the upper area of ​​the first storage compartment (211) facing the upper area of ​​the second storage compartment (212).

[0142] Therefore, the first-1 cold air outlet (3111) can be connected to the first-1 storage compartment (2111).

[0143] A first-1 duct assembly (500) including a first-1 cold air discharge port (511) is disposed in the upper region of the first-1 storage compartment (2111) and can be connected to the first-1 cold air outlet (3111) of the cold air supply duct (300).

[0144] Accordingly, the cold air generated in the evaporator (250) can pass through the first-1 cold air outlet (3111) of the cold air supply duct (300) and the first-1 duct assembly (500) and be discharged to the first-1 storage compartment (2111) through the first-1 cold air discharge port (511).

[0145] A first-1 cold air recovery port (531) is disposed in the lower area of ​​the first-1 storage compartment (2111) to recover cold air circulated through the first-1 storage compartment (2111).

[0146] The cold air recovered through the first-1 cold air recovery port (531) can be supplied back to the evaporator (250) through the first-1 cold air recovery duct (411) which is connected to the first-1 cold air recovery port (531) and placed on the back of the storage case (200).

[0147] Accordingly, one side of the first-1 cold air recovery duct (411) is connected to the back of the first-1 storage compartment (2111), and the other side of the first-1 cold air recovery duct (411) can be connected to the back of the second storage compartment (212).

[0148] On the back of the first-2 storage compartment (2112), the first-2 cold air outlet (3112) of the cold air supply duct (300) is formed so that cold air can be supplied to the first-2 storage compartment (2112).

[0149] Specifically, a portion of the cold air supply duct (300) including the first-2 cold air discharge port (312) may be positioned on the outer side of the rear side (2112b) of the first-2 storage compartment (2112) so as to overlap with the rear side (2112b) of the first-2 storage compartment (2112).

[0150] The first-2 cold air outlet (3112) is positioned below the cold air inlet (310) and the first-1 cold air outlet (3111), and can be formed in a bent shape so as to extend along the left-right direction of the back of the first-2 storage compartment (2112).

[0151] The first-2 cold air outlet (3112) is positioned on the outer rear side of the first-2 storage compartment (2112), and the first-2 storage compartment (2112) may have a protrusion (260) formed in it that protrudes forward and has a shape corresponding to the first-2 cold air outlet (3112).

[0152] Accordingly, the first-2 cold air outlet (3112) can be positioned so as to be seated on the back surface of the protrusion (260) of the first-2 storage compartment (2112).

[0153] A first-2 cold air discharge port (312) is formed in the first-2 cold air outlet (3112), and the first-2 cold air discharge port (312) can be positioned in the upper area of ​​the first-2 storage compartment (2112).

[0154] Accordingly, the cold air generated in the evaporator (250) can pass through the first-2 cold air outlet (3112) of the cold air supply duct (300) and be discharged to the first-2 storage compartment (2112) through the first-2 cold air discharge port (312).

[0155] However, in this specification, the first-2 cold air outlet (3112) may be described as having a configuration including the first-2 cold air discharge port (312), but is not limited thereto, and the first-2 cold air outlet (3112) may also be described as having a configuration consistent with the first-2 cold air discharge port (312).

[0156] A first cold air recovery vent (2211) may be formed to penetrate one side of the lower region of the first storage compartment (211) facing each other, and a second cold air recovery vent (2221) may be formed to penetrate one side of the lower region of the second storage compartment (212).

[0157] Accordingly, the first cold air recovery flue (2211) and the second cold air recovery flue (2221) can be arranged to face each other.

[0158] A first-2 cold air recovery duct (412) connecting the first-2 storage compartment (2112) and the second-2 storage compartment (2122) may be arranged between the first cold air recovery flue (2211) and the second cold air recovery flue (2221).

[0159] For example, a pipe cover (2212) including a plurality of ribs may be disposed in the first cold air recovery pipe (2211).

[0160] Accordingly, the cold air discharged into the first-1 storage compartment (2111) through the first-1 cold air discharge port (511) can be recovered into the second storage compartment (212) through the first cold air recovery port (2211) and the second cold air recovery port (2221) connected by the first-2 cold air recovery duct (412).

[0161] The cold air recovered into the second storage compartment (212) can be recovered back into the evaporator (250) by the second-1 cold air recovery port (2521).

[0162] In this way, the cold air circulating through the first-1 storage compartment (2111) and the first-2 storage compartment (2112), respectively, can be discharged through different cold air discharge ports and recovered through different cold air recovery ports.

[0163] Accordingly, the first-1 storage compartment (2111) and the first-2 storage compartment (2112) can be controlled to different temperatures.

[0164] The first-2 storage compartment (2112), the second-1 storage compartment (2121), and the second-2 storage compartment (2122) can be controlled to the same temperature because they share circulating cold air, and the first-2 storage compartment (2112), the second-1 storage compartment (2121), and the second-2 storage compartment (2122) can be used as a freezer.

[0165] However, the meaning of being controlled to the same temperature as in this specification does not mean that the temperature in all areas is completely the same.

[0166] For example, since the cold air circulation cycles are shared without being interrupted, the temperatures of the cold air in the corresponding storage compartments can become substantially the same, but the temperatures may vary slightly from area to area depending on the flow rate or velocity of the supplied cold air.

[0167] The first-1 storage compartment (2111) may not share a cold air circulation cycle with other storage compartments.

[0168] In this case, the first-1 storage compartment (2111) can be used as a freezer, but it can also be used as a refrigerator.

[0169] In addition, the first-1 storage compartment (2111) can be used as a convertible storage compartment that can be converted into a freezer or a refrigerator depending on the user's choice.

[0170] To this end, a first-1 flow path opening / closing damper (540) that selectively blocks cold air can be placed in the first-1 duct assembly (500) to regulate the amount of cold air supplied.

[0171] The first-1 Euro opening / closing damper (540) can be controlled by a control unit, and accordingly, the freezer and refrigerator compartments can be freely switched according to the user's choice.

[0172] A first sensor unit (2131) for sensing the temperature of the storage compartment may be disposed on one side of the upper area of ​​the first-1 storage compartment (2111), and a second sensor unit (2132) for sensing the temperature of the storage compartment may be disposed on one side of the upper area of ​​the second storage compartment (212).

[0173] In this way, the refrigerator (1) according to the present invention can independently control the temperature of a plurality of storage compartments by allowing cold air circulating through a plurality of storage compartments partitioned by a barrier to be discharged and recovered through different cold air discharge ports and cold air recovery ports.

[0174] Therefore, it has the advantage of allowing specific storage compartments to be freely switched between a freezer and a refrigerator depending on the user's choice.

[0175] In addition, the refrigerator (1) according to the present invention includes a cold air supply duct (300) branched to include two independent cold air supply paths, so that cold air can be supplied to two independent storage compartments (2111, 2112) with only one cold air supply duct (300).

[0176] In addition, the refrigerator (1) according to the present invention includes a cold air supply duct (300) branched to include two independent cold air supply paths, so that three independent storage compartments (2111, 2112, 212) can be cooled by only one evaporator (250) and one blower fan (241) placed in one storage compartment.

[0177] In addition, the refrigerator (1) according to the present invention can cool three independent storage compartments (2111, 2112, 212) with only one evaporator (250) and one blower fan (241) placed in one storage compartment (212), so the volume of the storage compartments (2111, 2112) where the evaporator (250) and blower fan (241) are not located can be increased.

[0178] In addition, the refrigerator (1) according to the present invention can cool three independent storage compartments (2111, 2112, 212) with only one evaporator (250) and one blower fan (241) placed in one storage compartment (212), so the power consumption and noise generation that may occur due to the addition of the evaporator (250) and the blower fan (241) can be reduced.

[0179] In addition, the refrigerator (1) according to the present invention can cool three independent storage compartments (2111, 2112, 212) by only having one cold air supply duct (300) that supplies cold air to two independent storage compartments (2111, 2112), so the increase in component costs can be minimized.

[0180] Below, the cold air supply duct (300) will be described in more detail with further reference to FIGS. 8 to 12.

[0181] The cold air supply duct (300) may include a first connecting part (330) in which a cold air inlet (310) is disposed on one side and a first-1 cold air outlet (3111) is disposed on the other side.

[0182] The first connecting part (330) can be placed between the first-1 storage compartment (2111) and the second storage compartment (212).

[0183] The cold air inlet (310) is connected to the second storage compartment (212), and the first-1 cold air outlet (3111) is connected to the first-1 storage compartment (2111), so the cold air inlet (310) and the first-1 cold air outlet (3111) can serve as passages through which cold air flows.

[0184] Accordingly, the cold air inlet (310) and the first-1 cold air outlet (3111) can be formed in the shape of a through hole through which cold air can flow.

[0185] The cold air inlet (310) and the first-1 cold air outlet (3111) can be arranged so that at least some areas overlap each other in the left-right direction.

[0186] For example, the cold air inlet (310) and the first-1 cold air outlet (3111) may be positioned to face each other to maximize the overlapping surface area.

[0187] In this way, as the cold air inlet (310) and the first-1 cold air outlet (3111) are arranged to face each other, the movement path of the cold air flowing from the cold air inlet (310) to the first-1 cold air outlet (3111) can be minimized to enable efficient cold air flow.

[0188] The first connecting part (330) may include a structure in which cold air flowing in from the cold air inlet part (310) is branched to include a first cold air supply path (301) and a second cold air supply path (302).

[0189] For example, a guide section (320) may be formed that extends from the lower part of the first cold air outlet (3111) toward the cold air inlet (310) and divides the area between the first cold air supply path (301) and the second cold air supply path (302).

[0190] The guide section (320) may be extended to have an inclined surface rising from the lower part of the first-1 cold air outflow section (3111) toward the central area of ​​the cold air inflow section (310).

[0191] One end of the guide section (320) may be formed to extend to the area where the cold air inlet section (310) begins or to the vicinity thereof.

[0192] Accordingly, the cold air flowing into the cold air inlet (310) can be branched into the first cold air supply path (301) and the second cold air supply path (302) based on the guide section (320) and flow.

[0193] Accordingly, a portion of the cold air introduced from the second storage compartment (212) through the cold air inlet (310) can pass through the first cold air supply path (301) and be supplied to the first-1 storage compartment (2111) through the first-1 cold air outlet (3111).

[0194] That is, the path through which cold air flows from the cold air inlet (310) to the first-1 cold air outlet (3111) is the first cold air supply path (301), and the first cold air supply path (301) can connect the second storage compartment (212) and the first-1 storage compartment (2111) to each other.

[0195] And a portion of the remaining cold air that is introduced through the cold air inlet (310) from the second storage compartment (212) that does not pass through the first cold air supply path (301) can flow into the second cold air supply path (302).

[0196] The height (h1) of the first-1 cold air outlet (3111) can be formed to correspond to the height of the first-1 flow path opening / closing damper (540).

[0197] For example, the height (h1) of the first-1 cold air outlet (3111) can be formed to correspond to the height of the door (not shown) that opens and closes the first-1 Euro opening / closing damper (540).

[0198] Accordingly, a cold air flow flow can be induced that minimizes interference by the first-1 flow path opening / closing damper (540) with the cold air flowing into the first-1 storage compartment (2111) through the first-1 cold air outlet (3111).

[0199] The height (h2) of the cold air inlet (310) may also be formed to be substantially the same or similar to the height (h1) of the first-1 cold air outlet (3111), but is not limited thereto.

[0200] The height (h2) of the cold air inlet (310) can be set in conjunction with the position of the blower fan module (241) located in the grill fan assembly (240) of the second storage compartment (212).

[0201] For example, the height (h2) of the cold air inlet (310) is formed to be greater than the height of the blower fan module (241), thereby inducing a cold air flow that minimizes interference between the cold air blown from the blower fan module (241) and the cold air inlet (310).

[0202] For example, the lower part of the cold air inlet (310) may be lower than the lower part of the blower fan module (241), and the upper part of the cold air inlet (310) may be formed higher than the upper part of the blower fan module (241), but is not limited thereto.

[0203] As previously explained, the cold air introduced through the first cold air inlet (310) can be branched into the first cold air supply path (301) and the second cold air supply path (302) and flow.

[0204] Branching of such cold air flow paths can be done by a guide section (320).

[0205] Accordingly, the length from one end of the guide section (320) to the upper side of the cold air inlet section (310) is the height (h) of the first cold air supply path (301). 21(corresponds to ), and the length from one end of the guide section (320) to the lower side of the cold air inlet section (310) is the height (h) of the second cold air supply path (302). 22 It can correspond to ).

[0206] Height (h) of the first cold air supply path (301) 21 ) is the height (h) of the second cold air supply path (302). 22 It can be formed higher than ).

[0207] Since the total length of the second cold air supply channel (302) is formed to be relatively much longer than the total length of the first cold air supply channel (301), it is necessary to increase the cold air flow rate so that the cold air flows far through the second cold air supply channel (302).

[0208] Therefore, the height (h) of the second cold air supply path (302) 22 ) the height (h) of the first cold air supply path (301) 21 By forming it lower than ), the flow rate of the cold air passing through the second cold air supply channel (302) is made faster than the flow rate of the cold air passing through the first cold air supply channel (301), so that the cold air passing through the second cold air supply channel (302) can flow far.

[0209] The height (h1) of the first cold air outlet (3111), which is the length from the upper side to the lower side of the first cold air outlet (3111), is the height (h) of the first cold air supply path (301), which is the length from one end of the guide section (320) to the upper side of the cold air inlet (310). 21 It can be formed longer than ).

[0210] As explained above, since the cold air passing through the cold air inlet (310) is branched into a first cold air supply path (301) and a second cold air supply path (302), the height (h) of the first cold air supply path (301) 21 ) is reduced relatively compared to the height (h2) of the entire cold air inlet (310).

[0211] However, in order to ensure a stable flow of cold air passing through the first cold air supply channel (301), it is desirable to form it so that the flow velocity is as constant as possible without large changes in flow velocity.

[0212] For example, if the cold air flow rate in the first-1 cold air outlet (3111) is faster than the cold air flow rate in the cold air inlet (310), more cold air may flow in the direction of the first cold air supply path (301) than in the second cold air supply path (302) branched through the guide section (320).

[0213] Therefore, by making the cold air flow velocity in the cold air inlet (310) and the cold air flow velocity in the first-1 cold air outlet (3111) similar, the cold air flow can be made stable.

[0214] Accordingly, the cross-sectional area of ​​the first cold air outlet (3111) through which cold air passes can be formed to be substantially the same as or greater than the cross-sectional area of ​​the cold air inlet (310) corresponding to the first cold air supply path (301) through which cold air passes.

[0215] To this end, the front-to-back width (w1) of the first-1 cold air outlet (3111) is formed shorter than the front-to-back width (w2) of the cold air inlet (310), thereby offsetting the difference in cross-sectional area that may occur due to the height (h1) of the first-1 cold air outlet (3111), which has a higher height compared to the height (h2) of the cold air inlet (310).

[0216] In addition, by reducing the front-to-back width (w1) of the first-to-first cold air outlet (3111) in this way, the area filled with foam injected into the cabinet (2) later can be increased by the area of ​​the narrowed front-to-back width, thereby increasing the insulation efficiency.

[0217] Meanwhile, the upper side of the cold air inlet (310) may be located above the upper side of the first-1 cold air outlet (3111).

[0218] When performing a defrosting operation in the second storage compartment (212), humid air may be generated, and the generated humid air moves toward the upper area of ​​the second storage compartment (212).

[0219] If the upper surface of the first-1 cold air outlet (3111) is inclined so that it is parallel to or higher than the upper surface of the cold air inlet (310), the humid air generated in the second storage compartment (212) may first travel along the upper surface of the cold air supply duct (300) toward the first-1 cold air outlet (3111).

[0220] When the humid air moves toward the first-1 cold air outlet (3111) in this way, the humid air can move to the first-1 flow path opening / closing damper (540) located in the first-1 duct assembly (500) that is in communication with the first-1 cold air outlet (3111).

[0221] In this way, if humid air moves toward the first-1 flow path opening / closing damper (540), the door (not shown) of the first-1 flow path opening / closing damper (540) may freeze, causing the first-1 flow path opening / closing damper (540) to malfunction.

[0222] Therefore, by positioning the upper side of the cold air inlet (310) above the upper side of the first-1 cold air outlet (3111), the humid air generated in the second storage compartment (212) fills the upper area of ​​the second storage compartment (212) before it travels along the upper side of the cold air supply duct (300) toward the first-1 cold air outlet (3111), thereby minimizing the backflow of humid air toward the first-1 cold air outlet (3111) as much as possible.

[0223] In this case, the second-1 cold air outlet (2421), which is the cold air outlet of the second storage compartment (212), can be positioned above the upper side of the cold air inlet (310).

[0224] In addition, the 2-1 ice cold air discharge port (2431) and the 2-2 ice cold air discharge port (2432) can also be positioned above the upper side of the cold air inlet (310).

[0225] Accordingly, the humid air generated in the second storage compartment (212) moves to the upper area of ​​the second storage compartment (212), and the humid air moved in this way can be discharged back to the second storage compartment (212) through the second-1 cold air discharge port (2421), the second-1 ice cold air discharge port (2431), and the second-2 ice cold air discharge port (2432), thereby minimizing the backflow of humid air flowing to the first-1 flow path opening / closing damper (540).

[0226] Meanwhile, a second connecting part (340) extending downward may be formed on the lower side of the first connecting part (330).

[0227] Specifically, the second connecting part (340) can be formed to be in communication with the second cold air supply path (302) of the first connecting part (330).

[0228] Therefore, cold air flowing into the cold air inlet (310) and into the second cold air supply path (302) can pass through the second connection (340).

[0229] The second connecting part (340) may be formed to be located between the first-1 duct assembly (500) and the grill fan assembly (240) and extend downward.

[0230] The left and right width of the second connecting part (340) is formed to be narrower than the left and right width of the first connecting part (330), so that the flow velocity to the second cold air supply path (302), which has a relatively longer cold air travel path than the first cold air supply path (301), can be increased.

[0231] A bent portion (350) extending in a lateral direction may be formed on one side of the second connecting portion (340).

[0232] Specifically, the bent portion (350) can be bent so as to extend from one side of the second connecting portion (340) toward the rear of the first-second storage compartment (2112).

[0233] In this case, the bent portion (350) can be bent and extended from one side of the second connecting portion (340) so as to cross the rear of the first-second storage compartment (2112) in a left-right direction.

[0234] However, it is preferable that the left and right width of the bent portion (350) be shorter than the left and right width of the first storage compartment (211), so that the end of the extended bent portion (350) does not extend beyond the side of the first storage compartment (211).

[0235] The second cold air supply path (302) passes through the second connection (340) and leads to the bend (350), so that the second connection (340) and the bend (350) can be connected to each other.

[0236] Accordingly, the cold air flowing in the lower vertical direction along the second connecting part (340) can have its flow direction changed to flow in the lateral horizontal direction at the boundary between the second connecting part (340) and the bending part (350).

[0237] Accordingly, the second cold air supply channel (302) can connect the first-2 storage compartment (2112) and the second storage compartment (212) to each other, and a portion of the cold air introduced from the second storage compartment (212) can be supplied to the first-2 storage compartment (2112) through the second cold air supply channel (302).

[0238] The bending portion (350) may be a first-2 cold air outlet (3112) including a first-2 cold air discharge port (312) that discharges cold air into the first-2 storage compartment (2112).

[0239] Thus, the refrigerator (1) according to the present invention can supply cold air using a cold air supply duct (300) that can implement not only the function of supplying cold air but also the function of discharging cold air to the storage compartment, by having a first-2 cold air discharge port (312) that can directly discharge cold air to the first-2 storage compartment (2112) arranged in the bent portion (350) of the cold air supply duct (300).

[0240] In addition, the refrigerator (1) according to the present invention does not require a separate duct assembly that receives cold air supplied from the cold air supply duct (300) and discharges cold air to the first and second storage compartments (2112), so the area occupied by the duct assembly can be used for internal use, thereby increasing the internal volume of the first and second storage compartments (2112).

[0241] The first-2 cold air discharge port (312) can also be formed to extend along the left and right directions of the folded portion (350), which is the first-2 cold air outflow portion (3112).

[0242] In this case, since the first-2 cold air discharge port (312) is extended in the left-right direction, a large pressure difference of cold air can occur between one end and the other end of the first-2 cold air discharge port (312).

[0243] For example, the cold air pressure at one end of the first-second cold air outlet (312) near the second connection part (340), which is the direction in which cold air flows in, may be much greater than the cold air pressure at the other end of the first-second cold air outlet (312) far from the second connection part (340).

[0244] In this way, when the cold air pressure at one end of the first-2 cold air discharge port (312) is greater, the flow rate may be increased only in a part of the area so that most of the cold air does not reach the other end of the first-2 cold air discharge port (312) and is discharged into the first-2 storage compartment (2112) before that.

[0245] In this way, if the flow rate of cold air increases only in some areas, a problem may arise where the cold air cannot be evenly distributed within the first-2 storage compartment (2112).

[0246] Accordingly, the bent portion (350) can be formed to have a shape in which the cross-sectional area through which cold air passes decreases as it moves further away from the second connecting portion (340).

[0247] In this way, by having a shape in which the cross-sectional area decreases along the direction in which the bent portion (350) extends, the cold air flow velocity increases as it moves further away from the second connecting portion (340), so the cold air discharged through the first-2 cold air discharge port (312) can be discharged as evenly as possible into the inside of the first-2 storage compartment (2112) regardless of location.

[0248] Accordingly, the refrigerator (1) according to the present invention has a bent portion (350) of a cold air supply duct (300) in which a first- and second cold air discharge port (312) is arranged, which is bent and extended in the rear direction of the first- and second storage compartment (2112), and has a shape in which the cross-sectional area through which the cold air passes decreases so that the flow velocity of the cold air increases as it moves away from the cold air inlet (310), thereby reducing the difference in cold air discharge pressure that may occur due to the difference in distance from the cold air inlet (310) and allowing the cold air to be discharged evenly into the first- and second storage compartment (2112).

[0249] The first-2 cold air discharge port (312) may include a plurality of slits (3121) that divide the first-2 cold air discharge port (312) in the vertical direction.

[0250] In this case, as explained above, due to the shape of the bending part (350) which allows cold air to be discharged evenly into the first-second storage compartment (2112), even if the multiple slits (3121) are arranged at equal intervals, cold air discharge into the first-second storage compartment (2112) can be made evenly.

[0251] In this way, when multiple slits (3121) are arranged at equal intervals, the aesthetic appeal of the design can be greatly enhanced compared to when they are arranged irregularly.

[0252] Additionally, each slit (3121) can be formed to have a directionality so that cold air can be discharged more evenly into the first-second storage compartment (2112) through the first-second cold air discharge port (312).

[0253] The cold air supply duct (300) described above can be structured such that the front of the cold air supply duct (300a) forming the front and the rear of the cold air supply duct (300b) forming the rear are formed separately from each other and connected.

[0254] A plurality of first fastening parts (305a) may be formed spaced apart from each other along the edge of the front (300a) of the cold air supply duct, and a plurality of second fastening parts (305b) may be formed spaced apart from each other at positions corresponding to the plurality of first fastening parts (305a) along the edge of the rear (300b) of the cold air supply duct.

[0255] For example, the first fastening part (305a) is formed in a ring shape and the second fastening part (305b) is formed in a hook shape, so that the first fastening part (305a) and the second fastening part (305b) can be quickly joined by hook joining without a separate additional fastening member.

[0256] The cold air supply duct (300) may have a plurality of streamlined support ribs (306a, 306b, 306c) formed inside to reduce the generation of cold air vortices inside and to reinforce strength for pressure support of the foam injected into the cabinet (2).

[0257] For example, a first support rib (306a) that extends in the vertical direction and has a streamlined shape may be formed near the boundary area between the second connecting part (340) and the bending part (350).

[0258] The first support rib (306a) may be formed on the front of the cold air supply duct (300a), but is not limited thereto.

[0259] Additionally, a second support rib (306b) having a streamlined shape that extends in the left-right direction is formed in the first cold air supply channel (301) of the first connection part (330), and a third support rib (306c) having a streamlined shape that extends in the up-down direction can be formed in the second connection part (340) near the boundary area between the first connection part (330) and the second connection part (340).

[0260] The second support rib (306b) and the third support rib (306c) may be formed on the rear side (300b) of the cold air supply duct, but are not limited thereto.

[0261] Meanwhile, referring further to FIGS. 13 and 14, a front support portion (303a) may be formed along the outer edge portion of the first-1 cold air outlet portion (3111) and the outer edge portion of the cold air inlet portion (310) of the front of the cold air supply duct (300a).

[0262] The front support portion (303a) formed on the outer edge of the first-1 cold air outlet portion (3111) has a shape that covers a part of the upper surface and a part of the side of the first-1 storage compartment (2111), and the front support portion (303a) formed on the outer edge of the cold air inlet portion (310) can have a shape that covers a part of the upper surface and a part of the side of the second storage compartment (212).

[0263] In addition, a rear support portion (303b) may be formed along the outer edge portion of the first cold air outlet portion (3111) and the outer edge portion of the cold air inlet portion (310) of the rear side (300b) of the cold air supply duct.

[0264] The rear support portion (303b) formed on the outer edge of the first-1 cold air outlet portion (3111) has a shape that covers a part of the upper surface, a part of the side, and a part of the rear of the first-1 storage compartment (2111), and the rear support portion (303b) formed on the outer edge of the cold air inlet portion (310) may have a shape that covers a part of the upper surface, a part of the side, and a part of the rear of the second storage compartment (212).

[0265] Accordingly, when the front (300a) of the cold air supply duct and the rear (300b) of the cold air supply duct are combined, the front support portion (303a) and the rear support portion (303b) are also combined, so that a first support portion (3031) is formed on the outer edge portion of the first-1 cold air outlet (3111) of the cold air supply duct (300), and a second support portion (3032) is formed on the outer edge portion of the cold air inlet (310).

[0266] Accordingly, the first support member (3031) is formed in a shape that wraps around the upper rear corner of the first-1 storage compartment (2111), and the second support member (3032) can be formed in a shape that wraps around the upper rear corner of the second storage compartment (212).

[0267] Accordingly, when the cold air supply duct (300) is inserted from the rear to the front of the storage case (200), the rear support part (303b) of the first support part (3031) and the rear support part (303b) of the second support part (3032) are each caught on the rear of the first-1 storage compartment (2111) and the rear of the second storage compartment (212), respectively, thereby restricting the movement of the cold air supply duct (300) toward the front.

[0268] A hole (304) penetrating toward the rear direction of the cold air supply duct (300) may be formed in each of the rear support portion (303b) of the first cold air outlet (3111) and the rear support portion (303b) of the second cold air inlet (310).

[0269] When the cold air supply duct (300) is inserted from the rear to the front of the storage case (200), a protrusion (2113) may be formed on the rear of the first storage compartment (2111) and the second storage compartment (212) at a position corresponding to the hole (304), respectively.

[0270] The protrusion (2113) is formed to protrude backward, and the outer diameter of the protrusion (2113) is formed to be slightly smaller than the inner diameter of the hole (304), so that the protrusion (2113) can be inserted into the hole (304).

[0271] In this way, the hole portion (304) of the cold air supply duct (300) and the projection portion (2113) formed on the rear of the storage case (200) can serve as a guide to clarify the connection position in the vertical direction when a worker inserts the cold air supply duct (300) from the rear of the storage case (200) to the front.

[0272] The first-1 storage compartment (2111) includes a first-1 cold air inlet surface (2111p) corresponding to the first-1 cold air outlet (3111), and the second storage compartment (212) may include a cold air outlet surface (212p) corresponding to the cold air inlet (310).

[0273] A first-1 cold air inlet hole (2111h) is formed in the first-1 cold air inlet surface (2111p) and can be connected to the first-1 cold air outlet (3111) of the cold air supply duct (300).

[0274] A first surface (361) may be formed in the cold air supply duct (300) to correspond to the first-1 cold air inlet surface (2111p).

[0275] Accordingly, a first-1 cold air outflow section (3111) is formed on the first surface (361), and a first support section (3031) can be formed along the outer edge of the first surface (361).

[0276] A cold air outlet hole (212h) is formed on the cold air outlet surface (212p) and can be connected to the cold air inlet (310) of the cold air supply duct (300).

[0277] A second surface (362) may be formed in the cold air supply duct (300) to correspond to the cold air outflow surface (212p).

[0278] Accordingly, a cold air inlet (310) is formed on the second surface (362), and a second support portion (3032) can be formed along the outer edge of the second surface (362).

[0279] A sealing foam (370) may be placed between the first-1 cold air inlet surface (2111p) and the first surface (361), and between the cold air outlet surface (212p) and the second surface (362), respectively.

[0280] The sealing foam (370) has adhesive layers formed on both sides and can serve to prevent cold air from leaking out from the connection between the cold air supply duct (300) and the storage case (200), or prevent foam injected into the interior of the cabinet (2) from encroaching on the connection between the cold air supply duct (300) and the storage case (200).

[0281] The sealing foam (370) can be formed along the perimeter of the edge in a hollow shape so as not to block the flow of cold air through the first-1 cold air outlet (3111), the first-1 cold air inlet (2111h), the cold air inlet (310), and the cold air outlet (212h).

[0282] The first cold air inlet surface (2111p) and the cold air outlet surface (212p) are arranged to face each other at a predetermined distance apart, and can be formed in a slanted shape such that the distance between them narrows as it goes from the rear to the front of the storage case (200).

[0283] In addition, the first surface (361) of the cold air supply duct (300) corresponding to the first-1 cold air inlet surface (2111p) and the second surface (362) of the cold air supply duct (300) corresponding to the cold air outlet surface (212p) can also be formed in a slanted shape such that the spacing between them narrows as they go from the rear to the front.

[0284] In this case, the angle of inclination between the first-1 cold air inlet surface (2111p) and the cold air outlet surface (212p), and the angle of inclination between the first surface (361) and the second surface (362) may be substantially the same.

[0285] Accordingly, the first line (L1) formed by the first-1 cold air inlet surface (2111p) and the first surface (361), and the second line (L2) formed by the cold air outlet surface (212p) and the second surface (362), may have a reduced separation distance as they move from the rear to the front of the storage case (200).

[0286] In this way, the refrigerator (1) according to the present invention can improve the insertability and ease of assembly of the cold air supply duct (300) by inserting and fixing a cold air supply duct (300), which includes a first-1 cold air outlet (3111) and a cold air inlet (310), between a first-1 storage compartment (2111) and a second storage compartment (212) from the rear to the front, and by forming the mating surfaces of the inserted cold air supply duct (300), the first-1 storage compartment (2111), and the second storage compartment (212) to have inclined surfaces such that the spacing between them narrows as they go from the rear to the front.

[0287] In addition, the refrigerator according to the present invention can reduce the occurrence of displacement or slippage of the sealing foam (370) that may occur during the process of inserting the cold air supply duct (300) between the first storage compartment (2111) and the second storage compartment (212) by forming the mating surfaces of the inserted cold air supply duct (300), the first storage compartment (2111), and the second storage compartment (212) to have inclined surfaces where the spacing distance becomes narrower from the rear to the front.

[0288] Therefore, the possibility of location dispersion and flow area dispersion occurring during the assembly process of the cold air supply duct (300) can be reduced.

[0289] Meanwhile, a spacer (380) protruding in the rear direction may be placed on the back of the cold air supply duct (300).

[0290] The spacer (380) can be placed at a position corresponding to the second support rib (306b) of the cold air supply duct (300).

[0291] For example, the second support rib (306b) may have a recessed portion that is recessed into the inner side of the cold air supply duct (300), and one end of the spacer (380) may have a shape that is inserted into and fixed to the recessed portion.

[0292] The spacer (380) can be formed from a material such as expanded polystyrene (EPS).

[0293] A back plate (700) that presses the spacer (380) in the front direction may be placed on the rear of the spacer (380).

[0294] The back plate (700) may be an outer case (20), but is not limited thereto, and may be formed separately from the outer case (20).

[0295] An insulating material (710), such as vacuum insulation, may be additionally placed between the back plate (700) and the spacer (380).

[0296] In this way, the refrigerator (1) according to the present invention has a spacer (380) protruding in the rearward direction on the back surface of the cold air supply duct (300) and a back plate (700) that presses the spacer (380) in the frontward direction, so that even after the cold air supply duct (300) is inserted and temporarily fixed between the storage compartments, the cold air supply duct (300) can be inserted into the correct position by additionally pressing the back plate (700).

[0297] Therefore, not only can the possibility of positional variation and flow path area variation occurring during the assembly process of the cold air supply duct (300) be reduced, but the cold air supply duct (300) can also be fixed in the correct position as much as possible without a separate fastening process between the cold air supply duct (300) and the storage case (200).

[0298] With reference to FIGS. 15 and 16, a cold air supply duct (300) according to another embodiment of the present invention will be further described, focusing on the differences from the previously described content.

[0299] The cold air supply duct (300) may include a cold air inlet (310) communicating with one side of the second storage compartment (212), a first-1 cold air outlet (3111) communicating with one side of the first-1 storage compartment (2111), and a first-2 cold air outlet (3112) communicating with one side of the first-2 storage compartment (2112).

[0300] The flow path through which cold air introduced from the cold air inlet (310) flows to the first-1 cold air outlet (3111) is the first cold air supply flow path (301), and the flow path through which cold air introduced from the cold air inlet (310) flows to the first-2 cold air outlet (3112) may be the second cold air supply flow path (302).

[0301] In this case, the first cold air supply channel (301) and the second cold air supply channel (302) are branched from the cold air inlet (310), and may have a separated shape so that the separation of the channels can be confirmed from the outside, but are not limited thereto.

[0302] The first-2 cold air outlet (3112) is formed to be in communication with one side of the first-2 storage compartment (2112), and unlike the embodiment of the cold air supply duct (300) described above, a separate duct assembly and a cold air outlet may be required to discharge cold air into the first-2 storage compartment (2112).

[0303] Accordingly, in the first-2 storage compartment (2112), a first-2 duct assembly (600) connected to a cold air supply duct (300) including a first-2 airflow opening / closing damper (640) that selectively blocks cold air and a first-2 cold air discharge port (612) may be disposed.

[0304] Accordingly, the cold air flowing to the first-2 cold air outlet (3112) through the second cold air supply channel (302) can be discharged into the first-2 storage compartment (2112) through the first-2 cold air discharge port (612).

[0305] In this way, the first-2 storage compartment (2112) is equipped with a first-2 Euro opening / closing damper (640) so that the temperature can be controlled independently, and it can be used as a refrigerator in addition to a freezer.

[0306] In addition, the first-2 storage compartment (2112) may be used as a variable storage room in which the freezer and refrigerator compartments can be varied.

[0307] Although the present invention has been described above with reference to the illustrated drawings, the present invention is not limited by the embodiments and drawings disclosed in this specification, and it is obvious that various modifications can be made by a person skilled in the art within the scope of the technical concept of the present invention. Furthermore, even if the effects of the configuration of the present invention were not explicitly described while explaining the embodiments of the present invention above, it is natural to acknowledge that the effects predictable by said configuration should also be recognized. Explanation of the symbols

[0308] 1: Refrigerator 2: Cabinet 10: Inner case 11: Door 1 12: Door 2 20: External case 30: Hinge 40: Display section 100: 1st inner case 110: First Storage Room 200: Second inner case, storage case 210: Second Storage Room 211: First storage slot 211b: Rear of the first storage slot 2111: Storage Cell 1-1 2111b: Rear of Storage Slot 1-1 2111h: 1-1 Cold Inlet 2111p: Section 1-1 Cold Air Inflow Surface 2112: Storage Cell 1-2 2112b: Rear of Storage Slot 1-2 2113: Protrusion 212: Second storage slot 212h: Cold Outflow Hole 212p: Cold air outflow surface 212b: Rear of the second storage slot 2121: Storage Cell 2-1 2122: Storage Box 2-2 2131: 1st sensor unit 2132: 2nd sensor unit 2211: 1st Cold Recovery Chimney 2212: Chimney cover 2221: 2nd Cold Recovery Chimney 231: 1st Barrier Section 232: 2nd Barrier Section 240: Grill pan assembly 241: Blower fan 2421: 2-1 Cold Air Outlet 2422: 2-2 Cold Air Outlet 2423: 2nd-3rd Cold Air Outlet 2431: 2-1 Ice Cold Air Outlet 2432: 2-2 Ice Cold Air Outlet 2521: 2-1 Cold Recovery Zone 250: Evaporator 260: Protrusion 300: Cold air supply duct 300a: Front of cold air supply duct 300b: Rear of cold supply duct 301: 1st Cold Supply Flow Path 302: 2nd Cold Supply Channel 303a: Front support 303b: Rear support 3031: First support 3032: Second support 304: Holbu 305a: First fastening part 305b: Second connecting part 306a: 1st support rib 306b: Second support rib 306c: Third support rib 310: Cold air inlet 3111: Section 1-1 Cold Outlet 3112: 1st-2nd Cold Outlet 312: 1st-2nd Cold Air Outlet 3121: Slit 320: Guide Department 330: First connection 340: Second connection 350: Bending section 361: Page 1 362: Page 2 370: Sealing foam 380: Spacer 411: 1-1 Cold Recovery Duct 412: 1st-2nd Cold Recovery Duct 500: 1-1 Duct Assembly 511: Cold Air Outlet 1-1 531: 1-1 Cold Recovery Zone 540: No. 1-1 Euro opening / closing damper 600: Duct Assembly 1-2 612: 1st-2nd Cold Air Outlet 640: No. 1-2 Euro opening / closing damper 700: Backplate 710: Insulation

Claims

Claim 1 A first upper storage compartment, a first lower storage compartment, and a second storage compartment separated into independent spaces; a cold air supply duct branched to distribute and supply cold air blown from the second storage compartment to the first upper storage compartment and the first lower storage compartment, respectively; and an evaporator disposed within the second storage compartment and a blower fan that blows cold air generated from the evaporator; A refrigerator comprising: a first upper storage compartment positioned above the first lower storage compartment, which is arranged parallel to the blower fan so as to overlap in the left-right direction; a cold air supply duct comprising a cold air inlet communicating with the second storage compartment, a first cold air supply path communicating with the first upper storage compartment, and a second cold air supply path communicating with the first lower storage compartment; cold air introduced from the cold air inlet is branched into the first cold air supply path and the second cold air supply path and supplied to the first upper storage compartment and the first lower storage compartment, respectively; a first upper path opening / closing damper is disposed in the first upper storage compartment to selectively block cold air supplied through the first cold air supply path; the first upper storage compartment is a variable storage compartment whose use changes to a freezer or a refrigerator by controlling the opening / closing of the first upper path opening / closing damper; and the first lower storage compartment and the second storage compartment are freezer compartments. Claim 2 delete Claim 3 A refrigerator according to claim 1, wherein a first upper duct assembly is disposed in the first upper storage compartment and is connected to the cold air supply duct, including a first upper cold air discharge port, and cold air is discharged into the first upper storage compartment through the first upper cold air discharge port. Claim 4 A refrigerator according to claim 1, wherein a portion of the cold air supply duct including a first lower cold air discharge port is arranged to overlap with the rear of the first lower storage compartment on the outer rear side of the first lower storage compartment, and cold air is discharged into the first lower storage compartment through the first lower cold air discharge port. Claim 5 delete Claim 6 A first storage compartment comprising a first upper storage compartment and a first lower storage compartment; a second storage compartment disposed on one side of the first storage compartment; a cold air supply duct comprising a cold air inlet communicating with the second storage compartment, a first cold air supply path communicating the first upper storage compartment and the second storage compartment, and a second cold air supply path communicating the first lower storage compartment and the second storage compartment; and an evaporator disposed within the second storage compartment and a blower fan for blowing cold air generated from the evaporator; A refrigerator comprising: a first upper storage compartment positioned above the first lower storage compartment, which is arranged parallel to the blower fan so as to overlap in the left-right direction; cold air introduced from the cold air inlet is branched into the first cold air supply path and the second cold air supply path and supplied to the first upper storage compartment and the first lower storage compartment, respectively; a path opening / closing damper is disposed in the first upper storage compartment to selectively block the cold air supplied through the first cold air supply path; the first upper storage compartment is a variable storage compartment whose use changes to a freezer or a refrigerator by controlling the opening / closing of the path opening / closing damper; and the first lower storage compartment and the second storage compartment are freezer compartments. Claim 7 In paragraph 6, the first lower storage compartment is a refrigerator positioned below the first upper storage compartment. Claim 8 A refrigerator according to claim 6, wherein the cold air supply duct comprises: a first upper cold air outlet communicating with the first upper storage compartment; and a first lower cold air outlet communicating with the first lower storage compartment; wherein a portion of the cold air introduced from the second storage compartment is supplied to the first upper storage compartment through the first cold air supply path, and a portion of the cold air introduced from the second storage compartment is supplied to the first lower storage compartment through the second cold air supply path. Claim 9 A refrigerator according to claim 8, wherein the cold air inlet and the first upper cold air outlet are arranged to face each other. Claim 10 In claim 8, the cold air supply duct includes a guide section that divides the area to branch into the first cold air supply path and the second cold air supply path, and one end of the guide section faces the cold air inlet, a refrigerator. Claim 11 A refrigerator according to claim 10, wherein the length from one end of the guide portion to the upper side of the cold air inlet portion is longer than the length from one end of the guide portion to the lower side of the cold air inlet portion. Claim 12 A refrigerator according to claim 11, wherein the length from the upper side to the lower side of the first upper cold air outlet is longer than the length from one end of the guide part to the upper side of the cold air inlet part. Claim 13 A refrigerator according to claim 8, wherein the cross-sectional area of ​​the first upper cold air outlet through which cold air passes is greater than or equal to the cross-sectional area of ​​the cold air inlet corresponding to the first cold air supply path through which cold air passes. Claim 14 A refrigerator according to claim 8, wherein the upper surface of the cold air inlet is located above the upper surface of the first upper cold air outlet. Claim 15 A refrigerator according to claim 14, wherein a second-1 cold air discharge port is positioned in the upper area to discharge cold air into the second storage compartment, and the second-1 cold air discharge port is positioned above the upper side of the cold air inlet. Claim 16 In claim 8, the first lower cold air outlet is positioned at the rear of the first lower storage compartment and extends along the left-right direction of the first lower storage compartment, forming a refrigerator. Claim 17 In claim 16, the first lower cold air outlet includes a first lower cold air discharge port that discharges cold air into the first lower storage compartment, and the first lower cold air discharge port extends along the left and right directions of the first lower cold air outlet, forming a refrigerator. Claim 18 In claim 17, the first lower cold air discharge port comprises a plurality of slits that divide the first lower cold air discharge port in an up-and-down direction, and the plurality of slits are arranged at equal intervals, in a refrigerator. Claim 19 A refrigerator according to claim 6, wherein the cold air supply duct comprises: a first connecting portion disposed between the first upper storage compartment and the second storage compartment; a second connecting portion extending downward from one side of the first connecting portion; and a bent portion extending from one side of the second connecting portion to be bent toward the rear of the first lower storage compartment. Claim 20 A refrigerator according to claim 19, wherein the bend portion is bent and extended from one side of the second connecting portion so as to cross the rear of the first lower storage compartment in a left-right direction, and the cross-sectional area through which cold air passes decreases as the bend portion moves away from the second connecting portion. Claim 21 In claim 8, the first upper storage compartment includes a first upper cold air inlet surface corresponding to the first upper cold air outlet, and the second storage compartment includes a cold air outlet surface corresponding to the cold air inlet surface, wherein the first upper cold air inlet surface and the cold air outlet surface are arranged to face each other with a predetermined distance between them, with the distance between them decreasing from the rear to the front, and the first surface of the cold air supply duct corresponding to the first upper cold air inlet surface and the second surface of the cold air supply duct corresponding to the cold air outlet surface have a distance between them decreasing from the rear to the front. Claim 22 A refrigerator according to claim 21, wherein a sealing foam is disposed between the first upper cold air inlet surface and the first surface and between the cold air outlet surface and the second surface, respectively. Claim 23 A refrigerator according to claim 21, wherein a spacer protruding in the rearward direction is disposed on the rear side of the cold air supply duct, and a back plate that presses the spacer in the frontward direction is disposed on the rear side of the spacer.

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