JP6563543B2 - refrigerator - Google Patents

Description

  Embodiments of the present invention relate to a refrigerator.

  Refrigerators are required to disinfect various bacteria for the purpose of long-term preservation of food stored in a storage room. Then, the refrigerator disclosed by patent document 1 is provided with the ozone generator and the ventilation fan, and controls the flow of ozone between the ozone generator and the space of the storage room by controlling the ventilation fan. In addition, the high concentration of ozone from the ozone generator is spread to improve the sterilization ability (see Patent Document 1).

JP 2010-121821

  However, in the technique disclosed in Patent Document 1, since it is necessary to arrange an expensive ozone generator in the refrigerator and to control the blowing with a blower fan, Incurs an increase in cost.

  This invention is made | formed in view of the above, The place made into the objective is to provide the refrigerator which can improve the environmental condition in a warehouse only by arrange | positioning in a warehouse.

The refrigerator according to the embodiment of the present invention includes a plurality of storage chambers, a cooler, a fan that sends cold air from the cooler to the plurality of storage chambers, and the plurality of storages through the cold air sent by the fan. A refrigerator having a cold air passage to be sent to the room, and an upper container part and a lower container part which are arranged in the vegetable room as the storage room and can be pulled out, and the inside for adjusting the environment inside the room And a case having a hole and having a hole. The case is disposed along the front wall portion on the front side of the front wall portion of the upper container portion, and faces the hole provided in the case. The gist is that a hole of the front wall portion is provided at a position.

It is sectional drawing which shows the internal structure of the refrigerator by 1st Embodiment of this invention. It is a figure which shows the structural example of the vicinity of the container of the vegetable compartment shown in FIG. 1, and the case arrange | positioned above this container. It is sectional drawing which shows the internal structure of 2nd Embodiment of the refrigerator of this invention. 4A is an enlarged view of a part of the receiving part, the case, and the container, and FIG. 4B is a view showing a receiving part of a shape example different from the receiving part. It is a perspective view which shows the example of a shape of the container of a vegetable compartment. It is sectional drawing which shows the internal structure of 3rd Embodiment of the refrigerator of this invention. It is an enlarged view which shows the case and container shown in FIG. It is sectional drawing which shows the internal structure of 4th Embodiment of the refrigerator of this invention. FIG. 9A is an enlarged view showing the case and the container shown in FIG. FIG. 9B is a plan view of the case and the container shown in FIG. It is sectional drawing which shows the container and case of 5th Embodiment of the refrigerator of this invention. It is sectional drawing which shows 6th Embodiment of the refrigerator of this invention. It is an enlarged view which shows the vicinity where the case in FIG. 11 is arrange | positioned.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as embodiments) will be described with reference to the drawings.

(First embodiment)
It is sectional drawing which shows the internal structure of the refrigerator by 1st Embodiment of this invention.

  The refrigerator 1 shown in FIG. 1 has a main body 2, and the main body 2 has a heat insulating box 2A. This heat insulation box 2A is a vertically long rectangular box, and the front side of the heat insulation box 2A is opened. A plurality of storage rooms are provided in the heat insulating box 2A. Specifically, as the plurality of storage rooms, a refrigerated room 3, a vegetable room 4, an ice making room 5, a small freezer room 6, and a freezer room 7 are provided in order from the upper stage to the lower stage. The heat insulating box 2A has a configuration in which a heat insulating material is disposed between a metal outer box and a synthetic resin inner box.

  Each of the refrigerator compartment 3 and the vegetable compartment 4 shown in FIG. 1 is a storage compartment in a refrigerated temperature zone, and a plastic partition wall 8 is provided between the refrigerator compartment 3 and the vegetable compartment 4.

  A hinged heat insulating door 3A is provided on the front face of the refrigerator compartment 3, and a drawer heat insulating door 4A is provided on the front face of the vegetable compartment 4. The inside of the refrigerator compartment 3 is divided into a plurality of stages vertically by a plurality of shelf boards 3C. A chilled chamber 3 </ b> B is provided below the inside of the refrigerator compartment 3.

  A container (storage container) 10 is fixed to the inner surface side of the heat insulating door 4 </ b> A, and the container 10 is accommodated in the vegetable compartment 4. The container 10 can be pulled out from the vegetable compartment 4 together with the heat insulating door 4A. Although the temperature of the refrigerator compartment 3 is 1-5 degreeC, for example, and the temperature of the vegetable compartment 4 is 2-6 degreeC, for example, it is not specifically limited.

  The ice making room 5, the small freezing room 6 and the freezing room 7 shown in FIG. 1 are all storage rooms in a freezing temperature zone (for example, about −18 ° C.), and are a refrigerator room 3, a vegetable room 4, an ice making room 5, and a small room. The freezer compartment 6 and the freezer compartment 7 are separated by a heat insulating partition wall 9.

  Draw-type heat insulation doors 5A and 6A are provided on the front surfaces of the ice making chamber 5 and the small freezer compartment 6, respectively. An ice storage container 11 is fixed to the inner surface of the heat insulating door 5A, and a container (not shown) is fixed to the inner surface of the heat insulating door 6A. A drawer-type heat insulating door 7 </ b> A is provided on the front surface of the freezer compartment 7. Although the containers 12 and 13 are arrange | positioned at the freezer compartment 7, the container 13 is being fixed to the inner surface of this heat insulation door 7A.

  As shown in FIG. 1, the heat insulating box 2 </ b> A has a refrigeration cooler 14 and a refrigeration cooler 15 that constitute a refrigeration cycle. The refrigeration cooler 14 cools the refrigeration room 3, the vegetable room 4, and the chilled room 3B. The freezer cooler 15 cools the ice making chamber 5, the small freezer chamber 6, and the freezer chamber 7. A machine room 16 is provided below the heat insulating box 2A. In the machine room 16, a compressor 17 and a condenser that constitute a refrigeration cycle are arranged, and a cooling fan and a defrosted water evaporating dish 18 are disposed. Etc. are arranged. A control unit 19 that controls the entire operation is disposed on the back of the heat insulating box 2A.

  As shown in FIG. 1, a refrigeration cooler chamber 20 is provided on the back of the heat insulating box 2 </ b> A. In the refrigeration cooler chamber 20, a refrigeration cooler 15, a defrost heater and a refrigeration blower fan 21 are arranged. When the refrigeration blower fan 21 is operated, the cold air generated by the refrigeration cooler 15 is supplied from the cold air outlet 20A to the ice making chamber 5, the small freezer compartment 6, and the freezer compartment 7, and from the return port 20B to the refrigeration cooling. Returned to chamber 20. Thereby, the ice making room 5, the small freezer room 6, and the freezer room 7 are cooled.

  In addition, a refrigerating cooling chamber 36 is provided on the back of the heat insulating box 2A. The refrigeration cooler 14 is disposed in the refrigeration cooling chamber 36, and the refrigeration cooling chamber 36 is connected to the cold air passage 37. A plurality of cold air supply ports 39 are provided in the middle of the cold air passage 37.

  A blower duct 42 is provided below the refrigerated cooling chamber 36 and behind the vegetable compartment 4, and preferably two refrigeration blower fans 40, 41 are provided in the blower duct 42. ing. The air duct 42 has a suction port 43. By operating only one refrigeration blower fan 40 or by operating two refrigeration blower fans 40 and 41 at the same time, the cold air in the vegetable compartment 4 is sucked from the suction port 43 and the cold air is supplied to the refrigeration cooler 14. After passing, it is sent to the refrigerator compartment 3 through the cold air passage 37 and the plurality of cold air supply ports 39 for circulation.

  As a result, the cold air generated by the refrigeration cooler 14 is operated by only one refrigeration blower fan 40 or by the two refrigeration blower fans 40 and 41 being simultaneously operated in accordance with a command from the control unit 19. The cold air is supplied to the refrigerator compartment 3 and the vegetable compartment 4 along the R direction through a plurality of cold air supply ports 39 in the cold air passage 37. Equipped with the two refrigeration blow fans 40 and 41 can increase the blow capacity compared to providing one fan. Therefore, by arranging a plurality of blower fans 40 and 41 instead of a single blower fan, the amount of stored items stored when the heat insulating doors 4A and 3A of the refrigerator 1 are closed or in the vegetable compartment 4 or the refrigerator compartment 3 is reduced. When changed (increased), the plurality of blower fans 40 and 41 are driven simultaneously.

  FIG. 2 shows a structural example in the vicinity of the container 10 in the vegetable compartment 4 shown in FIG. 1 and a case 50 detachably disposed above the container 10.

  As shown in FIG. 1, the container 10 can be pulled out from the vegetable compartment 4 by pulling out the heat insulating door 4A. As shown in FIGS. 1 and 2, a partition wall 8 is provided on the upper ceiling of the vegetable compartment 4. A case 50 is detachably attached to the partition wall 8 so as to face the inside of the container 10. That is, the case 50 faces the inside of the container 10.

  In addition, the lower surface 52 of the case 50 is not in contact with the uppermost portion 10T of the flange portion 10R of the container 10 so that the lower surface 52 of the case 50 and the uppermost portion 10T of the container 10 are not in contact with each other. A predetermined interval D is provided. Thus, when the container 10 is pulled out from the vegetable compartment 4 by pulling out the heat insulating door 4A, and conversely when the container 10 is put into the vegetable compartment 4, the container 10 does not hit the case 50, and the case 50 is disposed. Despite being done, the container 10 can be taken in and out smoothly.

  As shown in FIG. 2, the internal environment adjusting material M is accommodated in the case 50. The case 50 is a rectangular parallelepiped box member made of, for example, plastic. The case 50 has a hole 51 for releasing the component H of the internal environment adjusting material M to the outside of the case 50.

  The case 50 is detachably attached to the partition wall 8 that is a ceiling portion of the vegetable compartment 4. The partition wall 8 has a mounting member 54, and the mounting member 54 is provided with a mounting recess 53, and the case 50 is inserted and fixed in the recess 53.

  Thereby, the component H of the in-chamber environmental adjustment material M arrange | positioned in the case 50 can be reliably supplied toward the inside of the vegetable compartment 4 and the upper opening 10P of the container 10 through the hole 51 of the case 50. .

  As the internal environment adjusting material M shown in FIG. 2, a humidity adjusting agent, a sterilizing deodorizing agent, or wasabi can be employed. As the humidity adjusting agent, for example, activated carbon or the like can be used, and as the sterilization deodorizing agent, a resin member added with a deodorizing agent can be used. Examples of the deodorizing agent include manganese, silver, copper, platinum, titanium oxide, At least one such as catechin can be employed.

  Wasabi's pungent component is an enzyme in the cell that touches oxygen in the process of ginger glucosinolate, a kind of mustard oil glycoside (glucosinolate), which is abundant in cruciferous plants such as mustard greens. Allyl isothiocyanate, etc. produced by reacting with A, has strong antibacterial, antifungal and bactericidal effects.

  Thereby, as shown in FIG. 1 and FIG. 2, by attaching the case 50 to the partition wall 8 which is the ceiling side of the vegetable compartment 4 so that attachment or detachment is possible, the inside environmental adjustment material M arrange | positioned in the case 50 is carried out. The component H can be supplied into the container 10 from the inside of the vegetable compartment 4 and the upper opening 10 </ b> P of the container 10 through the hole 51 of the case 50.

  In addition, when the two refrigeration blow fans 40 and 41 in the blow duct 42 are simultaneously operated according to a command from the control unit 19 shown in FIG. 1, cold air in the vegetable compartment 4 is sucked from the suction port 43, After passing through the refrigeration cooler 14, the cool air can be circulated through the cool air passage 37 and the plurality of cool air supply ports 39 to the refrigerating room 3 and the vegetable room 4. By providing the two refrigeration blow fans 40 and 41 in this way, it is possible to increase the blow capacity compared to providing one fan. For this reason, when the component H of the internal environment adjusting material M arranged in the case 50 is released through the hole 51 of the case 50, the release of the component H of the internal environmental adjusting material M can be promoted. Moreover, the component H of the internal environment adjusting material M can promote the supply into the refrigerator compartment 3 and the vegetable compartment 4 through the cold air passage 37.

  The refrigerator 1 of 1st Embodiment of this invention has the hole 51 which accommodates the internal environment adjustment material M for adjusting the environment in a warehouse, and discharge | releases the component H of the internal environment adjustment material M outside. Since the case 50 is provided and the case 50 is detachably arranged facing the inside of the container 10, the environmental state in the warehouse can be improved only by arranging the case 50 in the warehouse.

  Next, each embodiment including the second embodiment of the present invention will be described in order. The components of each embodiment including the second embodiment of the present invention are the same as the components of the first embodiment of the present invention. In this case, the same reference numerals are used and the description thereof is omitted.

(Second Embodiment)
Next, with reference to FIG. 3 thru | or FIG. 5, 2nd Embodiment of the refrigerator of this invention is described. FIG. 3 is a cross-sectional view showing the internal structure of the second embodiment of the refrigerator of the present invention.

  As shown in FIG. 3, the case 50 is detachably held inside the heat insulating door 4A. A receiving portion 60 as an engaged portion is provided inside the heat insulating door 4A. The receiving portion 60 receives and holds the case 50 in a detachable manner.

  4A shows an enlarged view of the receiving portion 60, the case 50, and a portion of the container 10 shown in FIG. The case 50 has a hole 51 for releasing the component H of the internal environment adjusting material M to the outside of the case 50. The front wall 10G of the container 10 is provided with a hole (opening) 10H. The hole 10H is preferably provided at a position facing the hole 51 of the case 50. As a result, the component H of the in-chamber environmental adjusting material M arranged in the case 50 can be reliably supplied into the vegetable compartment 4 through the hole 51 of the case 50, and is further introduced into the container 10 through the hole 10 H of the container 10. Can be reliably supplied.

  FIG. 4B shows a receiving portion 60 </ b> A having a shape example different from the receiving portion 60. In this example, the receiving member 60A is fixed to the inner surface of the heat insulating door 4A using screws 60N.

  FIG. 5 shows an example of the shape of the container 10, and a plurality of holes (openings) 10 </ b> H are provided side by side on the front wall 10 </ b> G of the container 10. Each hole 10H is, for example, a long hole along the vertical direction. This ensures that the component H of the internal environment adjusting material M arranged in the case 50 is dispersed and evenly distributed inside the container 10 through the hole 51 of the case 50 and the hole 10H of the container 10. Can be supplied to.

  In the refrigerator 1 of 2nd Embodiment of this invention, it has the hole 51 which accommodates the internal environment adjustment material M for adjusting the internal environment of a warehouse, and discharge | releases the component H of the internal environment adjustment material M outside. Since the case 50 is provided and is detachably arranged so that the component 50 of the internal environment adjusting material M can be released while the case 50 is directed toward the inside of the container 10, the case 50 is simply placed in the storage. Can improve the internal environmental conditions.

(Third embodiment)
Next, with reference to FIG. 6 and FIG. 7, 3rd Embodiment of the refrigerator of this invention is described. FIG. 6 is a cross-sectional view showing the internal structure of the third embodiment of the refrigerator of the present invention. FIG. 7 is an enlarged view showing the case 50 and the container 10 shown in FIG.

  As shown in FIG. 6, the case 50 is detachably disposed on the front wall 10 </ b> G side of the container 10 in the vegetable compartment 4, not on the heat insulating door 4 </ b> A side. As shown in FIGS. 6 and 7, the front wall portion 10 </ b> G of the container 10 is provided with a receiving portion 10 </ b> S, and a case 50 is detachably disposed on the receiving portion 10 </ b> S. As shown in FIG. 7, the container 10 has a flange 10 </ b> F, and the case 50 is disposed at a position below the flange 10 </ b> F of the container 10. Thereby, since the case 50 can be arrange | positioned in the space part which is the clearance gap under the flange 10F of the container 10, in order to arrange | position the case 50, it is necessary to ensure a space in the vegetable compartment 4 newly. No. In addition, it is more preferable to configure so as to fit below the flange 10F.

  Moreover, as shown in FIG. 7, the front wall portion 10 </ b> G of the container 10 is provided with a plurality of holes (openings) 10 </ b> H. As a result, the component H of the internal environment adjusting material M arranged in the case 50 is dispersed and evenly distributed in the container 10 and the vegetable compartment 4 through the hole 51 of the case 50 and the hole 10H of the container 10. It can be surely supplied.

  In the refrigerator 1 of 3rd Embodiment of this invention, it has the hole 51 which accommodates the internal environment adjustment material M for adjusting the internal environment, and discharge | releases the component H of the internal environment adjustment material M outside. Since the case 50 is provided, and the case 50 is detachably disposed so that the component H of the internal environment adjusting material M can be discharged toward the inside of the container 10 through the hole 10H of the container 10, The environmental condition in the warehouse can be improved simply by placing it in the box.

(Fourth embodiment)
Next, with reference to FIG. 8 and FIG. 9, 4th Embodiment of the refrigerator of this invention is described. FIG. 8: is sectional drawing which shows the internal structure of 4th Embodiment of the refrigerator of this invention. FIG. 9A is an enlarged view showing the case 50 and the container 10 shown in FIG. FIG. 9B is a plan view of the case 50 and the container 10 shown in FIG.

  As shown in FIGS. 8 and 9, the container 10 of the vegetable compartment 4 has an upper container part 10M and a lower container part 10N. Case 50 is arranged in upper container part 10M. That is, the upper container portion 10M has a receiving portion 70 as an engaged portion, and the case 50 is detachably disposed on the receiving portion 70. The upper container portion 10M has a hole (opening) 10H at a position corresponding to the case 50, preferably at a position where the hole 51M of the case 50 matches the position of the hole as will be described later. The case 50 preferably has a plurality of holes 51M and 51N for discharging the component H of the internal environment adjusting material M toward the upper container part 10M and the lower container part 10N, respectively. These holes 51M and 51N are formed on the opposite side surface of the case 50.

  Thereby, the component H of the internal environment adjusting material M in the case 50 can be reliably supplied to the inside of the upper container part 10M through the hole 51M and the hole 10H, and the component H of the internal environment adjusting material M is It can be reliably supplied to the inside of the lower container part 10N through 51N.

  9 (A) and 9 (B) show the drawing direction C of the container 10. This drawer direction C is the front-rear direction of the refrigerator 1. As shown in FIGS. 9A and 9B, the upper container portion 10M is housed inside the lower container portion 10N. The lower container portion 10N is rectangular when viewed from above, but the upper container portion 10M is not rectangular, and the upper container portion 10M has a recess 75 in the front-rear direction along the pull-out direction C. . The receiving member 70 is provided in the space region of the recess 75 using the space region of the recess 75 of the upper container portion 10M, and the case 50 is disposed on the receiving member 70.

  Thereby, since case 50 and receiving member 70 can be stored in the range of lower container part 10N, in order to arrange case 50, it is not necessary to secure a space in vegetable compartment 4 newly.

  In the refrigerator 1 according to the fourth embodiment of the present invention, the holes 51M and 51N that house the internal environment adjusting material M for adjusting the internal environment and discharge the component H of the internal environmental adjusting material M to the outside. The case 50 is provided so as to be detachable so that the case 50 can be directed toward the inside of the upper container portion 10M and the lower container portion 10N of the container 10 to release the component H of the internal environmental conditioner M, respectively. Therefore, the environmental condition in the warehouse can be improved only by arranging the case 50 in the warehouse.

  The receiving member 70 is provided so as to protrude in a flange shape from the upper container portion 10M. However, when the case 50 is not placed, the receiving member 70 can swing upward so that a 2 liter plastic bottle can be accommodated in the container 10 of the vegetable compartment 4. Alternatively, it may be configured to be foldable or detachable. Also, in the figure, the receiving member 70 is described as floating in the air because it is provided on the inclined side surface or curved surface of the upper container portion 10M.

(Fifth embodiment)
Next, with reference to FIG. 10, 5th Embodiment of the refrigerator of this invention is described.

  FIG. 10 is a cross-sectional view showing a fifth embodiment of the refrigerator of the present invention. The attachment example of the case 50 in the fifth embodiment shown in FIG. 10 is different from the attachment example of the case 50 shown in FIG. In FIG. 10, the case 50 is detachably disposed on the bottom surface 10 </ b> K inside the upper container portion 10 </ b> M. The bottom surface 10K has a hole (opening) 10L. The case 50 has a hole 51E at a position corresponding to the hole 10L of the bottom surface 10K, and a plurality of holes 51F on the opposite side of the case 50.

  Thereby, the component H of the internal environment adjusting material M in the case 50 can be surely supplied into the upper container part 10M through the hole 51F of the case 50, and the hole 51E and the upper container part of the case 50 It can be reliably supplied to the inside of the lower container portion 10N through the hole 10L of the 10M bottom surface 10K.

  In the refrigerator 1 according to the fifth embodiment of the present invention, the holes 51E and 51F that accommodate the internal environment adjusting material M for adjusting the internal environment and discharge the component H of the internal environmental adjusting material M to the outside. And the case 50 is detachably arranged so that the component H of the internal environmental conditioner M can be discharged toward the inside of the upper container portion 10M and the lower container portion 10N of the container 10. Therefore, the environmental condition in the warehouse can be improved only by arranging the case 50 in the warehouse.

(Sixth embodiment)
Next, with reference to FIG. 11 and FIG. 12, 6th Embodiment of the refrigerator of this invention is described.

  FIG. 11 is a cross-sectional view showing a sixth embodiment of the refrigerator of the present invention. FIG. 12 is an enlarged view showing the vicinity where the case 50 shown in FIG. 11 is arranged.

  As shown in FIG. 11 and FIG. 12, the case 50 is arranged in a region SP between the vegetable compartment 4 and the refrigerator compartment 3 positioned on the vegetable compartment 4. As shown in FIG. 12, the refrigerator compartment 3 is a different type of room (storage room) adjacent to the vegetable compartment 4, and a fixing member 80 is provided in the region SP. The fixing member 80 is provided with a receiving member 81 as an engaged portion, and the case 50 is detachably disposed on the receiving member 81. For this reason, since the case 50 should just be arrange | positioned in the receiving member 81 provided in the area | region SP previously vacant, in order to arrange | position the case 50, it is not necessary to ensure space in the vegetable compartment 4 newly.

  Thereby, the component H of the internal environment adjusting material M in the case 50 can be reliably supplied into the container 10 through the hole 51 of the case 50, and also directly and reliably in the refrigerator compartment 3 through the opening 80. Can supply.

  In the refrigerator 1 of 6th Embodiment of this invention, it has the hole 51 which accommodates the internal environment adjusting material M for adjusting the internal environment, and discharge | releases the component H of the internal environmental adjusting material M outside. Since the case 50 is provided and the case 50 is detachably arranged facing the inside of the container 10 in the vegetable compartment 4 and the refrigerator compartment 3, the environmental condition in the compartment can be changed by simply placing the case 50 in the compartment. Can be improved.

  As mentioned above, although embodiment of this invention was described, embodiment is shown as an example and is not intending limiting the range of invention. The novel embodiment can be implemented in various other modes, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  The structure of the refrigerator 1 shown in FIG. 1 is an example, and an arbitrary structure can be adopted. In the illustrated embodiment of the present invention, the vegetable room is located at the lower part of the refrigerator room and at the upper part of the freezer room in the refrigerator, but the vegetable room may be arranged at the lowest position. In the refrigerator, a large sized case accommodating the internal environment adjusting material can be detachably disposed.

  Another fan can also be arranged at the top ceiling position of the refrigerator storage room, i.e. at the ceiling of the refrigerator compartment. Thereby, circulation of cold air in storage rooms, such as a refrigerator compartment, a vegetable compartment, a freezer compartment, can be performed more effectively.

DESCRIPTION OF SYMBOLS 1 Refrigerator 2 Main body 2A Heat insulation box 3 Refrigerating room 3A Heat insulation door 4 Vegetable room 4A Heat insulation door 5 Ice making room 6 Small freezer room 7 Freezer room 8 Partition wall (ceiling part of vegetable room)
DESCRIPTION OF SYMBOLS 10 Vegetable room container 10G Container front wall part 10H Container front wall part hole part 10M Upper container part 10N Lower container part 10F Container flange part 14 Cooler 37 Cold air passage 40, 41 Fan 50 Case 51 Case hole 53 Recessed portion 60 in the vegetable room ceiling part Receiving part M as engaged part

Claims (2)

A plurality of storage chambers, a cooler, a fan that sends cool air from the cooler to the plurality of storage chambers, and a cold air passage that sends the cool air sent by the fan to the plurality of storage chambers. A refrigerator,
An upper container part and a lower container part which are arranged in the vegetable room which is the storage room and can be pulled out;
A case that accommodates an internal environmental adjusting material for adjusting the internal environment of the storage and has a hole;
The case is disposed along the front wall portion on the front side of the front wall portion of the upper container portion,
The refrigerator according to claim 1, wherein a hole in the front wall portion is provided at a position facing the hole provided in the case.   The refrigerator according to claim 1, wherein a hole different from the hole of the case is provided on a side surface of the case opposite to a side surface facing the front wall portion.