refrigerator

Abstract

To provide a refrigerator that can efficiently discharge cold air flowing toward an upper part from a lower part on a back side of a refrigerating chamber, to the refrigerator chamber.SOLUTION: A refrigerator 1 comprises a refrigerating chamber 11. A back part of the refrigerating chamber 11 comprises a cold air duct forming member (passage forming member) 30 comprising a cold air duct (cold air passage) 20 through which cold air to be sent to the refrigerating chamber 11 is passed. The cold air duct forming member 30 comprises a first discharge port 32, and at least one second discharge port 33a-33d. The first discharge port 32 is arranged at an upper end of the cold air duct forming member 30. The second discharge port 33a-33d is arranged below the first discharge port 32, and has a vertically long shape.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a refrigerator having a cold air outlet at the rear part of a refrigerator compartment. [Background technology]

[0002] A refrigerator compartment is provided with an outlet port through which cold air cooled by a cooler in a refrigeration cycle is blown out. This outlet port is formed in a cold air duct arranged at the rear part of the refrigerator compartment, for example.

[0003] For example, Patent Document 1 discloses a refrigerator that is provided with a refrigerator compartment discharge duct 30 at the rear of the refrigerator compartment 2, which guides a portion of the cold air cooled by a cooler 16 to the refrigerator compartment. This refrigerator compartment discharge duct 30 is provided with a plurality of refrigerator compartment discharge ports 31. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 8-189746 Summary of the Invention [Problem to be solved by the invention]

[0005] In conventional refrigerators, the outlet for sending the cold air passing through the cold air duct to the refrigerator compartment has a horizontally elongated (horizontally flat) opening, such as the refrigerator compartment outlet 31 of the refrigerator disclosed in Patent Document 1. Meanwhile, the cold air cooled by the cooler flows vertically from bottom to top through the cold air duct located at the rear of the refrigerator compartment. Therefore, if the outlet opening is horizontally elongated, the flow resistance of the cold air flowing vertically through the cold air duct increases, and the efficiency of sending the cold air to the refrigerator compartment may decrease.

[0006] Therefore, an object of the present invention is to provide a refrigerator that can efficiently discharge cool air flowing from below to above on the rear side of the refrigerator compartment into the refrigerator compartment. [Means for solving the problem]

[0007] A refrigerator according to one aspect of the present invention includes a refrigerator compartment, and a passage forming member disposed at a rear portion of the refrigerator compartment and having a cold air passage through which cold air to be delivered to the refrigerator compartment passes. The passage forming member has a first outlet disposed at an upper end thereof, and at least one second outlet having a vertically elongated shape disposed below the first outlet. Effect of the Invention

[0008] According to the refrigerator according to one aspect of the present invention, cool air flowing from below to above on the rear side of the refrigerating compartment can be efficiently discharged into the refrigerating compartment. [Brief description of the drawings]

[0009] [Figure 1] 1 is a front view showing the external configuration of a refrigerator according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a front view showing a configuration inside the refrigerator shown in FIG. [Diagram 3] 3 is a cross-sectional view showing the configuration of the refrigeration compartment shown in FIG. 2 along line AA. [Figure 4] 2 is a plan view showing the configuration of the front side of a cold air duct forming member provided in the rear part of the refrigeration compartment shown in FIG. 1. [Diagram 5] 5 is a plan view showing the configuration of the rear side of the cold air duct forming member shown in FIG. 4. [Figure 6] 5 is a perspective view showing the configuration of the rear side of the cool air duct forming member shown in FIG. 4. [Figure 7] 5 is a perspective view showing the configuration of the upper side of the cold air duct forming member shown in FIG. 4. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Hereinafter, each embodiment of the present invention will be described with reference to the drawings. In the following description, the same components are denoted by the same reference numerals. Their names and functions are also the same. Therefore, detailed description thereof will not be repeated.

[0011] <First embodiment> (Overall configuration of refrigerator) First, the overall configuration of a refrigerator 1 according to the first embodiment will be described. Fig. 1 shows the external appearance of the refrigerator 1 as seen from the front. Fig. 2 shows the interior of the upper level of the refrigerator 1 (specifically, the interior of the refrigeration chamber 11).

[0012] The exterior shape of the refrigerator 1 is mainly composed of an insulated box 50. This insulated box 50 forms the storage space of the refrigerator 1. The storage space formed by the insulated box 50 is divided into a refrigerator compartment 11, a vegetable compartment, a freezer compartment, an ice maker compartment, a second freezer compartment, and the like by a partition 55 extending horizontally at approximately the center in the vertical direction.

[0013] The refrigerator compartment 11 is provided with refrigerator compartment doors 11a and 11b that open like a double door and are divided into left and right halves. The vegetable compartment is provided with a pull-out vegetable compartment door 12a. The freezer compartment is provided with a pull-out freezer compartment door 13a. The ice-making compartment is provided with a pull-out ice-making compartment door 14a. The second freezer compartment is provided with a pull-out freezer compartment door 15a.

[0014] As described above, the refrigerator 1 according to the present embodiment is divided into a plurality of storage spaces, and includes the refrigeration compartment 11 and the freezer compartment. However, the locations of the storage spaces are not limited to the above. Furthermore, the configuration of the doors provided in the storage spaces is not limited to the above.

[0015] In this embodiment, the surface on which the door is provided is called the front or front surface of the refrigerator. Based on the front surface, the surfaces of the refrigerator 1 are called the top, side, back, and bottom surfaces based on the positions of the refrigerator 1 when it is installed in a normal state. In addition, the left-right direction (horizontal direction perpendicular to the up-down direction) when the refrigerator 1 is placed on the installation surface is called the left-right direction of the refrigerator 1 (or the refrigerator compartment 11, the cold air duct forming member 30, etc.). In addition, the up-down direction (vertical direction perpendicular to the left-right direction) when the refrigerator 1 is placed on the installation surface is called the up-down direction of the refrigerator 1 (or the refrigerator compartment 11, the cold air duct forming member 30, etc.). In addition, the side located on the left side when viewed from the front side of the refrigerator 1 is called the left side of the refrigerator 1, and the side located on the right side when viewed from the front side of the refrigerator 1 is called the right side of the refrigerator 1.

[0016] (Refrigerator compartment configuration) Next, a more detailed configuration of refrigeration compartment 11 provided in refrigerator 1 will be described. Fig. 2 shows the internal configuration of refrigeration compartment 11. Fig. 3 shows a cross-sectional configuration of refrigeration compartment 11. Fig. 3 is a cross-sectional view showing the internal configuration of refrigeration compartment 11 taken along line AA in Fig. 2.

[0017] The inner wall of the refrigerator compartment 11 is mainly formed by the inner box 51 of the heat-insulating box body 50. As shown in FIG. 2, a plurality of shelves (shelf 40a, shelf 40b, shelf 40c, and shelf 40d, in order from the top, in the example shown in FIG. 2) are arranged in the refrigerator compartment 11. This divides the inside of the refrigerator compartment 11 into a plurality of storage spaces. Although not shown in FIG. 2, one or a plurality of storage cases are arranged under the shelf 40d, which is arranged at the bottom. This storage case is used, for example, as a chilled case, a vegetable case, or a prepared food case.

[0018] A cold air duct (cold air passage) 20 through which cold air sent to the refrigerator compartment 11 passes is provided on the rear side of the refrigerator compartment 11. The cold air duct 20 is a passage for sending cold air cooled in a cooling compartment in which a cooler (not shown) and the like are arranged, to the refrigerator compartment 11. The cold air cooled in the cooling compartment flows upward inside the cold air duct 20 and is sent to the refrigerator compartment 11 from a plurality of outlets provided in a cold air duct forming member 30.

[0019] The cold air duct 20 is formed by a cold air duct forming member (passage forming member) 30. The cold air duct forming member 30 is disposed at the rear part of the refrigeration chamber 11. The surface of a main body part 31 of the cold air duct forming member 30 forms a part of the inner wall on the rear side of the refrigeration chamber 11.

[0020] The cold air duct forming member 30 is provided with a plurality of outlets (e.g., a first outlet 32, a second outlet 33a-33d, a third outlet 34a and 34b, etc.) for discharging cold air from the cold air duct 20 to the refrigerator compartment 11, and a return port (e.g., a return port 35, etc.) for returning air within the refrigerator compartment 11 to the cooling compartment.

[0021] (Configuration of the cold air duct area) Next, a more specific description will be given of the configuration around the cold air duct 20. As described above, the cold air duct 20 and the configuration around the cold air duct, such as the outlet port, are mainly formed by the cold air duct forming member 30.

[0022] Figures 4 to 7 show the external appearance of the cold air duct forming member 30. Figure 4 shows the configuration of the front side (refrigerator compartment 11 side) of the cold air duct forming member 30. Figures 5 and 6 show the configuration of the back side (cold air duct 20 side) of the cold air duct forming member 30. Figure 7 shows the configuration of the upper side (first outlet port 32 side) of the cold air duct forming member 30.

[0023] The outer shape of the cold air duct forming member 30 is mainly formed by a main body 31 and a heat insulating material 21. The main body 31 is formed by molding a resin material such as polypropylene, polystyrene, or polyethylene into a predetermined shape. The heat insulating material 21 is formed of a material with high heat insulating properties such as polystyrene foam.

[0024] The heat insulating material 21 is disposed on the back side of the main body 31, and forms a passage for the cold air duct 20. In this manner, the heat insulating material 21 is provided around the cold air duct 20. This makes it possible to suppress heat conduction between the cold air duct 20 and the refrigerator compartment 11 located on the front side of the cold air duct 20.

[0025] Further, the cold air duct forming member 30 is provided with a plurality of outlets for discharging cold air into the refrigerating compartment 11, such as a first outlet 32, second outlets 33a to 33d, and third outlets 34a and 34b.

[0026] The first outlet 32 ​​is disposed at the upper end of the main body 31. As shown in Fig. 7, the first outlet 32 ​​has an opening formed in the upper end surface of the main body 31. A part of the cool air that flows from the lower part to the upper part inside the cool air duct 20 is sent out from this opening to the refrigeration chamber 11.

[0027] The first outlet 32 ​​has a tapered shape 32a in which the cross-sectional area decreases toward the opening at the upper end of the cool air duct forming member 30 (see Figs. 5 and 6). Such a tapered shape 32a can be formed by forming the polystyrene foam forming the heat insulating material 21 into a predetermined shape.

[0028] In the example shown in Fig. 5 etc., the tapered shape 32a is shaped so that the width (length in the left-right direction) of the passage of the cold air duct 20 becomes smaller toward the upper end of the main body 31. However, the tapered shape 32a is not limited to this shape. The tapered shape 32a may be shaped so long as the cross-sectional area in the horizontal direction (left-right direction) becomes smaller toward the opening at the upper end of the cold air duct forming member 30.

[0029] Because the first outlet 32 ​​has such a tapered shape 32a, the decrease in the wind speed of the cold air blown out from the opening at the upper end of the first outlet 32 ​​into the refrigerator compartment 11 is suppressed, so that the cold air blown out from the opening of the first outlet 32 ​​can be guided to the front side of the refrigerator compartment 11, which is farther away from the first outlet 32.

[0030] A plurality of second outlets are provided below the first outlet 32. In this embodiment, four second outlets 33a, 33b, 33c, and 33d are provided. These second outlets 33a, 33b, 33c, and 33d are arranged on the front surface 31a of the main body 31. More specifically, the four second outlets 33a, 33b, 33c, and 33d are arranged in the vertical direction (up-down direction) in order from the top on the front surface 31a of the main body 31. As shown in FIG. 2, it is preferable that the second outlets 33a, 33b, 33c, and 33d are provided so as to avoid the positions of the shelves 40a, 40b, 40c, and 40d.

[0031] 4 and other figures, each of the second outlets 33a, 33b, 33c, and 33d has a vertically elongated shape. That is, in each of the second outlets 33a, 33b, 33c, and 33d, the vertical width L (length in the up-down direction) of the opening is greater than the horizontal width W (length in the left-right direction) of the opening.

[0032] Since the second outlets 33a, 33b, 33c, and 33d have such a vertically elongated shape, the flow resistance of the cold air in the cold air duct 20 is reduced, and the cold air can be transported efficiently to the first outlet 32 ​​provided at the upper end of the cold air duct 20. In addition, since the shape of each of the second outlets 33a to 33d is shaped along the flow direction of the cold air in the cold air duct 20, it is possible to prevent the cold air from being concentrated and discharged from the second outlets (e.g., 33d) located further upstream. This makes it easier to guide more cold air toward the first outlet 32 ​​and the second outlet 33a located at the top of the cold air duct 20.

[0033] At the opening of each of the second outlets 33a, 33b, 33c, and 33d, a louver for regulating the direction of the cool air sent out from the cool air duct 20 to the refrigerating compartment 11 is provided.

[0034] In this embodiment, among the multiple second outlets arranged in a vertical line, the width W of the two second outlets 33a and 33b arranged on the upper side is larger than the width W of the two second outlets 33c and 33d arranged on the lower side (see FIG. 4).

[0035] This makes it easier to take in the cold air blown out from the second outlets 33a and 33b located on the upper side (downstream side) from the cold air duct 20 than from the second outlets 33c and 33d located on the lower side (upstream side). The cooling fan for sending the cold air cooled in the cooling chamber to the cold air duct 20 is provided below the cold air duct 20. Therefore, the wind pressure of the cold air tends to be weaker around the second outlets 33a and 33b located on the higher side of the cold air duct 20 than around the second outlets 33c and 33d located on the lower side, since the distance from the cooling fan is greater around the second outlets 33a and 33b located on the higher side of the cold air duct 20. Therefore, by defining the width W of each of the second outlets 33a to 33d as described above, the difference in the amount of cold air blown out from each of the second outlets 33a to 33d can be reduced.

[0036] In this embodiment, the opening area of ​​the uppermost second outlet 33a of the two upper second outlets 33a and 33b is smaller than the opening area of ​​the uppermost second outlet 33b. Here, the opening area of ​​the second outlet means the area obtained by (width W of the opening of the second outlet) x (length L of the opening of the second outlet).

[0037] 4, the width W of the second outlet 33a and the width W of the second outlet 33b are substantially the same size. On the other hand, the vertical width L of the second outlet 33a is smaller than the vertical width L of the second outlet 33b.

[0038] In this embodiment, the second outlet 33a arranged at the top is located within the region of the tapered shape 32a of the first outlet 32. That is, as shown in Fig. 5, the second outlet 33a is located above the lower end of the tapered shape 32a of the first outlet 32 ​​(the location indicated by the dashed line in Fig. 5).

[0039] In a configuration in which the uppermost second outlet 33a is located within the region of the tapered shape 32a of the first outlet 32, the opening area of ​​the uppermost second outlet 33a is smaller than the opening area of ​​the uppermost second outlet 33b, so that the amount of cool air blown out from the uppermost second outlet 33a can be reduced. Furthermore, most of the cool air guided into the region of the tapered shape 32a above the cool air duct 20 can be blown out from the first outlet 32 ​​located at the top.

[0040] As shown in Figs. 2 and 3, cold air is blown out from the first outlet 32 ​​and the uppermost second outlet 33a into the storage space at the top level divided by the shelf board 40a. Therefore, even if the volume of cold air from the uppermost second outlet 33a is reduced, the cold air from the first outlet 32 ​​can supply sufficient cold air to the storage space at the top level. As described above, the cold air blown out from the opening of the first outlet 32 ​​needs a certain wind speed to be guided to the front side of the refrigerator compartment 11, so the volume of cold air from the second outlet 33a is reduced in order to maintain the wind speed of the cold air blown out from the first outlet 32. This allows sufficient cold air to be supplied not only to the storage spaces divided by the shelves, but also to storage spaces such as door pockets in front of the shelves.

[0041] A plurality of third outlets are provided below the second outlets 33a to 33d. In this embodiment, two third outlets 34a and 34b are provided. These third outlets 34a and 34b are disposed below the main body 31. In this embodiment, each of the third outlets 34a and 34b is provided on the back side of a storage case disposed below the shelf board 40d in the refrigeration compartment 11.

[0042] In this embodiment, as shown in Fig. 2 etc., the third outlet 34a is disposed near the center in the left-right direction in the refrigerator compartment 11 when viewed from the front. The other third outlet 34b is disposed to the right of the third outlet 34a when viewed from the front.

[0043] At the opening of each of the third outlets 34a and 34b, a louver for regulating the direction of the cool air sent out from the cool air duct 20 to the refrigerating compartment 11 is provided.

[0044] The cold air duct forming member 30 is provided with a return port 35 and the like as a return port for returning the air in the refrigerator compartment 11 to the cold air duct 20. The return port 35 is located below the rear part of the refrigerator compartment 11. In this embodiment, the return port 35 is provided on the rear side of a storage case that is arranged below the shelf board 40d in the refrigerator compartment 11.

[0045] In this embodiment, as shown in Fig. 4 etc., the return port 35 is disposed on the left side of the third discharge port 34a when viewed from the front. In other words, the return port 35 is disposed on the opposite side in the left-right direction to the third discharge port 34b, with the third discharge port 34a in between.

[0046] The cold air is sent out from each outlet provided in the cold air duct forming member 30 to the refrigerating compartment 11, and the cold air that flows through the refrigerating compartment 11 is returned from the return port 35 to the cooling compartment.

[0047] In addition, the cold air duct 20 is provided with a screw fastening projection (projection) 37 between the uppermost second outlet 33a and the uppermost second outlet 33b (see FIG. 5, etc.). The screw fastening projection 37 projects backward inside the cold air duct 20. The cold air duct forming member 30 is attached to the heat-insulating box 50 by fixing the screw fastening projection 37 to the inner box 51 of the heat-insulating box 50 with a screw or the like.

[0048] 5, the screw fixing projection 37 is preferably located below the region of the tapered shape 32a of the first outlet 32 ​​(i.e., below the portion indicated by the dashed line in FIG. 5). This makes it possible to prevent the screw fixing projection 37 from blocking the flow of cool air in the flow path of the tapered shape 32a of the first outlet 32.

[0049] (Summary of the first embodiment) As described above, the refrigerator 1 according to this embodiment includes the refrigerating compartment 11. A cold air duct forming member (passage forming member) 30 having a cold air duct (cold air passage) 20 through which cold air sent to the refrigerating compartment 11 passes is provided at the rear portion of the refrigerating compartment 11. The cold air duct forming member 30 has a first outlet 32 ​​and at least one second outlet 33a to 33d. The first outlet 32 ​​is disposed at the upper end of the cold air duct forming member 30. The second outlets 33a to 33d are disposed below the first outlet 32 ​​and have a vertically elongated shape.

[0050] According to the above configuration, since the second outlets 33a-33d have a vertically elongated shape, the flow resistance of the cold air in the cold air duct 20 is reduced, and the cold air can be transported to the first outlet 32 ​​provided at the upper end of the cold air duct 20 without waste. In addition, since the shape of each of the second outlets 33a-33d is shaped along the flow direction of the cold air in the cold air duct 20, it is possible to prevent the cold air from being concentrated and discharged from the second outlet 33d located further upstream. This makes it easier to guide more cold air toward the first outlet 32 ​​and the second outlet 33a located at the top of the cold air duct 20. Therefore, it is possible to obtain a refrigerator 1 that can efficiently discharge the cold air flowing from the bottom to the top on the back side of the refrigerator compartment 11 to the refrigerator compartment 11.

[0051] In this embodiment, the first outlet 32 ​​has a tapered shape 32a in which the cross-sectional area in the horizontal direction decreases toward the opening at the upper end of the cool air duct forming member 30. The second outlet 33a arranged at the top is located within the region of the tapered shape 32a of the first outlet 32. Furthermore, the opening area of ​​the uppermost second outlet 33a is smaller than the opening area of ​​the second outlet 33b located one level below the uppermost.

[0052] According to the above configuration, the amount of cool air blown out from the uppermost second outlet 33a can be reduced. Also, most of the cool air guided into the upper area of ​​the tapered shape 32a of the cool air duct 20 can be blown out from the first outlet 32 ​​located at the top end.

[0053] In this embodiment, among the multiple second outlets arranged vertically on the front portion 31a of the cold air duct forming member 30, the size of the opening of the two second outlets 33a and 33b arranged on the upper side is larger than the size of the opening of the two second outlets 33c and 33d arranged on the lower side (see Figure 4).

[0054] This makes it possible to suppress a decrease in the volume of cool air blown out from the second outlets 33a and 33b located on the upper side of the cool air duct 20, where the wind pressure of the cool air tends to be weaker. Therefore, it is possible to reduce the difference in the volume of cool air blown out from each of the second outlets 33a to 33d.

[0055] In the above embodiment, four second outlets 33a, 33b, 33c, 33d are provided on the front part 31a of the main body part 31 of the cold air duct forming member 30. However, the number of second outlets is not limited to four. The number of second outlets can be determined according to the size of the refrigerator compartment 11, etc. When the refrigerator compartment 11 has a vertically elongated storage space, the number of second outlets is preferably two or more. Among the two or more second outlets, the width of the second outlet located on the upper side is preferably larger than the width of the second outlet located on the lower side. This allows the cold air flowing from the lower side to the upper side in the cold air duct 20 located on the rear side of the refrigerator compartment to be discharged from each outlet at a relatively equal rate toward the refrigerator compartment 11.

[0056] <Second embodiment> Next, a second embodiment of the present invention will be described. In the second embodiment, the configuration of the cool air duct forming member 30 is different from that of the first embodiment. For the other configurations, the same configurations as those of the first embodiment can be applied.

[0057] As in the first embodiment, the refrigerator 1 according to this embodiment is provided with a cold air duct (cold air passage) 20 on the rear side of the refrigeration compartment 11 through which cold air passes to be sent to the refrigeration compartment 11. The cold air duct 20 is formed by a cold air duct forming member (passage forming member) 30. The cold air duct forming member 30 is disposed on the rear part of the refrigeration compartment 11.

[0058] The cold air duct forming member 30 is provided with a plurality of outlets (e.g., a first outlet 32, a second outlet, a third outlet, etc.) for discharging cold air from the cold air duct 20 to the refrigerator compartment 11, as well as a return port (e.g., a return port 35, etc.) for returning air within the refrigerator compartment 11 to the cooling compartment.

[0059] As in the first embodiment, the first outlet 32 ​​is disposed at the upper end of the main body 31. A plurality of second outlets are provided below the first outlet 32. The plurality of second outlets are disposed in the front surface 31a of the main body 31.

[0060] As in the first embodiment, each of the second outlets has a vertically elongated shape. In this embodiment, the openings of each of the second outlets have substantially the same size.

[0061] Since the second outlets have a vertically long shape, the flow resistance of the cold air in the cold air duct 20 is reduced, and the cold air can be transported efficiently to the first outlets 32 provided at the upper end of the cold air duct 20. In addition, since the shape of each second outlet is shaped along the flow direction of the cold air in the cold air duct 20, it is possible to prevent the cold air from being concentrated and discharged from the second outlets on the more upstream side. This makes it easier to guide more cold air toward the first outlet 32 ​​located at the top of the cold air duct 20 and the second outlets on the upper side (downstream side).

[0062] <Third embodiment> Next, a third embodiment of the present invention will be described. In the third embodiment, the configuration of the cool air duct forming member 30 is different from that of the first embodiment. For the other configurations, the same configurations as those of the first embodiment can be applied.

[0063] As in the first embodiment, the refrigerator 1 according to this embodiment is provided with a cold air duct (cold air passage) 20 on the rear side of the refrigeration compartment 11 through which cold air passes to be sent to the refrigeration compartment 11. The cold air duct 20 is formed by a cold air duct forming member (passage forming member) 30. The cold air duct forming member 30 is disposed on the rear part of the refrigeration compartment 11.

[0064] The cold air duct forming member 30 is provided with a plurality of outlets (e.g., a first outlet 32, a second outlet, a third outlet, etc.) for discharging cold air from the cold air duct 20 to the refrigerator compartment 11, as well as a return port (e.g., a return port 35, etc.) for returning air within the refrigerator compartment 11 to the cooling compartment.

[0065] As in the first embodiment, the first outlet 32 ​​is disposed at the upper end of the main body 31. A plurality of second outlets are provided below the first outlet 32. The plurality of second outlets are disposed in the front surface 31a of the main body 31.

[0066] The first outlet 32 ​​has a tapered shape 32a in which the cross-sectional area decreases toward the opening at the upper end of the cool air duct forming member 30. In the first embodiment, the tapered shape 32a is a shape in which the width (length in the left-right direction) of the passage of the cool air duct 20 decreases toward the upper end of the main body 31.

[0067] On the other hand, in this embodiment, the tapered shape 32a is a shape in which the thickness (length in the front-rear direction) of the passage of the cold air duct 20 becomes smaller toward the upper end of the main body 31. In still another embodiment, the tapered shape 32a is a shape in which both the thickness and width of the passage of the cold air duct 20 become smaller toward the upper end of the main body 31. As a result, the shape of the cold air passage up to the opening at the upper end of the first outlet port 32 becomes a tapered shape in which the horizontal cross-sectional area becomes smaller toward the upper end.

[0068] Since the first outlet 32 ​​has such a tapered shape 32a, the wind speed of the cool air blown out from the opening at the upper end of the first outlet 32 ​​into the refrigerating compartment 11 can be ensured.

[0069] (summary) A refrigerator (e.g., refrigerator 1) according to one aspect of the present invention includes a refrigerator compartment (e.g., refrigerator compartment 11), and a passage forming member (e.g., cold air duct forming member 30) that is disposed at the rear of the refrigerator compartment and has a cold air passage (e.g., cold air duct 20) through which cold air to be delivered to the refrigerator compartment passes. The passage forming member has a first outlet (e.g., first outlet 32) disposed at an upper end, and at least one second outlet (e.g., second outlets 33a-33d) that is disposed below the first outlet and has a vertically elongated shape.

[0070] In the refrigerator (e.g., refrigerator 1) according to one aspect of the present invention described above, the first outlet (e.g., first outlet 32) may have a tapered shape (e.g., tapered shape 32a) in which the cross-sectional area becomes smaller toward the upper end of the passage forming member (e.g., cool air duct forming member 30).

[0071] The refrigerator (e.g., refrigerator 1) according to one aspect of the present invention has a plurality of the second outlets (e.g., second outlets 33a to 33d), and the plurality of the second outlets may be arranged in a vertical line. Among the plurality of the second outlets, the width (e.g., width W) of the second outlets (e.g., second outlets 33a and 33b) arranged on the upper side may be larger than the width (e.g., width W) of the second outlets (e.g., second outlets 33c and 33d) arranged on the lower side.

[0072] The refrigerator (e.g., refrigerator 1) according to one aspect of the present invention described above may have a plurality of the second outlets (e.g., second outlets 33a to 33d), and the plurality of the second outlets may be arranged in a vertical line. The opening area of ​​the second outlet (e.g., second outlet 33a) arranged at the top of the plurality of second outlets may be smaller than the opening area of ​​the second outlet (e.g., second outlet 33b) arranged one outlet below the top.

[0073] In the refrigerator (e.g., refrigerator 1) according to one aspect of the present invention described above, the cold air passage (e.g., cold air duct 20) of the passage forming member (e.g., cold air duct forming member 30) may be provided with a protrusion (e.g., protrusion 37 for screw fastening) between the second outlet (e.g., second outlet 33a) arranged at the top and the second outlet (e.g., second outlet 33b) arranged one outlet below the top.

[0074] In the refrigerator (e.g., refrigerator 1) according to one aspect of the present invention described above, the first outlet (e.g., first outlet 32) has a tapered shape (e.g., tapered shape 32a) in which the cross-sectional area decreases toward the upper end of the passage forming member (e.g., cool air duct forming member 30), and the protrusion (e.g., screw fastening protrusion 37) may be located below the tapered shape of the first outlet.

[0075] In the refrigerator (e.g., refrigerator 1) according to one aspect of the present invention described above, the first outlet (e.g., first outlet 32) has a tapered shape (e.g., tapered shape 32a) in which the cross-sectional area becomes smaller toward the upper end of the passage forming member (e.g., cool air duct forming member 30), and the second outlet (e.g., second outlet 33a) located at the top may be located within the tapered shape of the first outlet.

[0076] The embodiments disclosed herein should be considered to be illustrative and not restrictive in all respects. The scope of the present invention is indicated by the claims, not by the above description, and is intended to include all modifications within the meaning and scope of the claims. In addition, configurations obtained by combining the configurations of the different embodiments described in this specification are also included in the scope of the present invention. [Explanation of symbols]

[0077] 1: Refrigerator 11: Refrigerator 20: Cold air duct (cold air passage) 21: Insulation material (Styrofoam) 30: Cold air duct forming parts (passage forming parts) 31: Main body (of cold air duct forming member) 32: 1st discharge port 32a: (First outlet) tapered shape 33a: Second outlet (second outlet arranged on the upper side or at the top) 33b: Second outlet (a second outlet arranged on the upper side or one below the top) 33c: Second outlet (second outlet arranged on the lower side) 33d: Second outlet (second outlet arranged on the lower side) 34a: 3rd outlet 34b: Third discharge port 35: Return entrance 37: Screw fastening protrusion (protrusion)

Claims

1. A refrigerator compartment, a passage forming member disposed on a rear surface of the refrigerator compartment so as to extend in a vertical direction and having a linear cold air passage through which cold air to be delivered to the refrigerator compartment passes; Equipped with The passage forming member is A first outlet port disposed at an upper end; at least one second outlet having a vertically elongated shape and narrower than the first outlet in the left-right direction and disposed below the first outlet so as to be accommodated inside the first outlet; It has the upstream side of the first discharge port has a tapered shape whose left and right width decreases toward the upper end of the passage forming member.

2. A plurality of the second outlets are provided, The second outlets are arranged in a vertical direction, Among the plurality of second outlets, a lateral width of the second outlet arranged on an upper side is larger than a lateral width of the second outlet arranged on a lower side, and the second outlet arranged on a lower side in the left-right direction is arranged to be contained inside the second outlet arranged on an upper side.

2. The refrigerator according to claim 1.

3. The cold air passage of the passage forming member includes: a protrusion is provided between the second outlet arranged at the top and the second outlet arranged one outlet below the top.

3. The refrigerator according to claim 2.

4. The protrusion is located below the tapered shape of the first discharge port. The refrigerator according to claim 3.

5. The second outlet located at the top is located within the tapered shape of the first outlet. The refrigerator according to any one of claims 2 to 4.

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