JP5917179B2 - refrigerator - Google Patents

Description

  Embodiments of the present invention relate to a refrigerator.

  As a deterioration factor of stored items such as food stored in a refrigerator, oxidation of the food by oxygen present in the air is known. Then, the refrigerator which can suppress the oxidation of stored goods and maintain the freshness of stored goods by reducing the oxygen of the space which stores a foodstuff is known (for example, refer patent document 1).

  In order to reduce the oxygen in the space for storing stored items, such a refrigerator is provided with a sealed container housed in the storage room, an oxygen reducing means provided on the back surface of the storage room, and a back surface of the sealed container. A connecting portion for connecting the inside of the sealed container and the oxygen reducing means through the opening, and sealing between the opening and the connecting portion of the sealed container by a sealing member provided between the sealed container and the connecting portion; Thus, the oxygen inside the container is reduced by the oxygen reducing means while blocking the outside air.

JP 2004-167472 A

  In the refrigerator as described above, the storage chamber door is opened and closed every time the stored item is taken in and out of the sealed container, and the desorption of the seal member is repeated. Is required.

  Therefore, an object of the present invention is to provide a refrigerator that reduces the oxygen in a hermetically sealed container and can obtain a stable sealing performance even when the stored product is repeatedly taken in and out.

The refrigerator according to the present embodiment includes a storage room, a container housed in the storage room, an oxygen reduction device that reduces the oxygen concentration in the container of the storage room, and an opening provided in the container. the provided container interior and a connecting portion which connects the decrease oxygen device, and an annular seal member for sealing between the opening of the container has a self-adhesive and said connecting portion Te, opening of the container ribs projecting into the container interior to the edge of the part is characterized that you have provided.

It is sectional drawing of the refrigerator which concerns on one Embodiment. It is a principal part enlarged view of FIG. It is a principal part expanded sectional view of the state where the storage room door was pulled out. It is AA sectional drawing of FIG. It is a principal part expanded sectional view of FIG. It is a front view of a connection part. It is sectional drawing of the sealing member of the refrigerator which concerns on the example of a change.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the refrigerator 10 according to the present embodiment has a storage space formed in a heat insulating box-shaped refrigerator main body 12 that opens to the front, and the storage space is separated from the refrigerated space 20 above by the heat insulating partition wall 14. It is partitioned into a freezing space 40 below.

  The refrigerated space 20 is further divided vertically by a partition 21, a refrigerated chamber 22 having a plurality of stages of mounting shelves is provided in the upper space, and a lower container 26 and an upper container provided in the lower space in two upper and lower stages. A vegetable compartment 24 in which 27 is arranged is provided.

  The opening of the refrigerating room 22 is closed by a refrigerating room door 23 pivotally supported by hinges provided above and below one side of the refrigerator body 12.

  The opening of the vegetable compartment 24 is closed by a drawer-type vegetable compartment door 25 connected to the slide rail 28.

  Specifically, as shown in FIGS. 2 and 3, the slide rail 28 is provided on the left and right side walls of the vegetable compartment 24 and a pair of left and right support frames 28 a that are fixed to the back side of the vegetable compartment door 25 and extend in the front-rear direction. The fixed rail 28b provided and a biasing mechanism (not shown) that biases the support frame 28a rearward are provided. The pair of left and right support frames 28a are supported so as to be slidable in the front-rear direction by fixed rails 28b provided on the left and right side walls of the vegetable compartment 24. Be forced.

  A pair of left and right support frames 28a support a box-shaped lower container 26 whose upper surface is open, and an upper container 27 is disposed on a step formed on the upper surface of the rear portion of the lower container 26. Thereby, the lower container 26 and the upper container 27 are supported by the support frame 28a and the fixed rail 28b constituting the slide rail 28 so as to be slidable in the front-rear direction. The upper container 27 is pulled out of the cabinet, and the lower container 26 and the upper container 27 are urged rearward by the urging mechanism when the vegetable compartment door 25 is closed.

  An ice making room (not shown) equipped with an automatic ice making device and a first freezing room 44 are provided on the left and right sides of the freezing space 40 disposed below the vegetable room 24 via the heat insulating partition wall 14. Is provided with a second freezer compartment 46.

  The ice making chamber, the first freezing chamber 44, and the second freezing chamber 46 are also closed by the drawer-type doors 45 and 47, and the left and right pairs fixed to the back side of the doors 45 and 47, like the vegetable chamber 24. The storage container is held by the support frame, and the storage container is pulled out of the storage as the door is opened.

  A refrigeration cooler 52 and a refrigeration fan 53 for cooling the air in the refrigeration space 20 are provided on the rear surface of the refrigeration space 20. The air cooled by the refrigeration cooler 52 passes through the duct 37. The air is sent to the refrigerator compartment 22 to cool the refrigerator compartment 22. The air flowing through the refrigerator compartment 22 flows into the vegetable compartment 24 through a through hole (not shown) provided in the partition body 21, cools the vegetable compartment 24, and then takes in the return duct 31 provided on the back of the vegetable compartment 24. Then, the refrigeration cooler 52 returns.

  On the back surface of the freezing space 40, a freezing cooler 54 that cools the air in the freezing space 40, and the air cooled by the freezing cooler 54 is sent to the ice making room, the first freezing room 44, and the second freezing room. A freezing fan 55 is provided.

  The refrigeration cooler 52 and the refrigeration cooler 54 constitute a refrigeration cycle together with the compressor 32, the condenser (not shown) and the switching valve (not shown) provided at the lower back of the refrigerator body 12. Each of the storage chambers provided in the refrigeration space 20 and the refrigeration space 40 is cooled to a predetermined temperature by controlling the refrigeration fan 53 and the refrigeration fan 55.

  In the refrigerator 10 having such a configuration, the upper container 27 accommodated in the vegetable compartment 24 is connected to the oxygen reduction device 60 provided on the back surface of the vegetable compartment 24 by the connecting portion 80 when the vegetable compartment door 25 is closed. The oxygen concentration in the upper container 27 is reduced.

  Specifically, as shown in FIG. 4, the upper container 27 is formed of a container body that stores a stored product such as food from the upper surface opening 27 a and closes the upper surface opening with a lid 29 in a sealed state. An annular groove 27 c into which the annular lid seal member 33 is fitted is provided in the flange portion 27 b extending outward from the upper end portion of the upper container 27 so as to surround the upper surface opening of the upper container 27. When the upper opening 27 a of the upper container 27 is closed with the lid 29, the lid sealing member 33 comes into contact with the lid 29 to seal between the upper opening 27 a of the upper container 27 and the lid 29.

  The lid 29 is connected to lid opening / closing mechanisms 34 provided on the left and right side walls of the vegetable compartment 24, and moves upward along with the opening operation of the vegetable compartment door 25 to open the upper surface opening 27 a of the upper container 27. Then, it moves downward along with the closing operation of the vegetable compartment door 25 to close the upper surface opening 27a of the upper container 27.

  On the back surface of the upper container 27, an opening 27 d that opens rearward and a rib 35 that protrudes into the upper container 27 are provided.

  The opening 27d is composed of a plurality of through holes 27d-1 penetrating the back surface of the upper container 27. For example, a plurality of slit-like through holes 27d-1 extending in the vertical direction are provided side by side in the horizontal direction. ing. The through hole 27d-1 constituting the opening 27d may be a circular hole or a square hole in addition to the slit shape as described above.

  The ribs 35 projecting from the back surface of the upper container 27 are ridges that are provided on the edge of the opening 27d provided in the upper container 27, for example, on both the left and right sides of the opening 27d, and extend vertically from the bottom surface of the upper container 27. However, the front view shape of the rib 35 is not particularly limited, and for example, the rib 35 may be provided so as to surround the opening 27d.

  As shown in FIG. 5, the oxygen reduction device 60 is housed and unitized in a case 64 in a state where a plate-like solid polymer electrolyte membrane 61 is sandwiched between an anode electrode 62 and a cathode electrode 63. When a voltage is applied between the cathode electrode 63 and the cathode electrode 63, hydrogen ions generated by decomposing moisture in the air at the anode electrode 62 move from the anode electrode 62 side to the cathode electrode 63 side and enter the case 64. Oxygen in the upper container 27 is reduced by reacting with oxygen in the upper container 27 through the connecting portion 80 and the opening 27d of the upper container 27 from the provided opening 65 to generate water.

  The oxygen reduction device 60 is arranged inside the return duct 31 so that the cathode electrode 63 faces the through hole 36a provided in the cover body 36 constituting the front surface of the return duct 31 through the opening 65 provided in the case 64. Is provided.

  Note that the through-hole 27d constituting the opening 27d is larger than the area of the opening 27d provided on the back surface of the upper container 27 compared to the area of the opening 65 provided in the case 64 of the oxygen reduction device 60. It is preferable to set the size and number of −1, and by setting in this way, the oxygen concentration in the upper container 27 by the oxygen reduction device 60 can be smoothly reduced.

  As shown in FIGS. 5 and 6, the connecting portion 80 includes a cylindrical portion 81 that is attached to the cover body 36 so as to cover the through hole 36 a and protrudes from the cover body 36 toward the upper container 27. An annular seal member 70 is fixed to the distal end portion (end portion on the upper container 27 side) of the cylindrical portion 81.

  Specifically, a communication hole 82 that faces the opening 27 d of the upper container 27 and a holding portion 83 that surrounds the communication hole 82 are provided at the distal end of the cylindrical portion 81. The holding portion 83 protrudes from the distal end portion of the cylindrical portion 81 toward the upper container 27, and the base portion 71 of the seal member 70 is fitted therein to hold the seal member 70. In addition, the holding portion 83 has the fixing member 84 fixed by claw fitting or the like in a state where the sealing member 70 is held, and the fixing portion 84 has a flange portion 72 protruding outward from the base portion 71 of the sealing member 70. The seal member 70 is fixed to the distal end portion of the cylindrical portion 81 by sandwiching.

  The sealing member 70 is formed by molding a self-adhesive and flexible resin (including rubber and elastomer) such as silicon rubber, polyurethane elastomer, ethylene vinyl alcohol resin, and vinyl chloride elastomer into a predetermined shape. A base portion 71 fitted into the holding portion 83 of the portion 80, a flange portion 72 protruding outward from the base portion 71, and a protrusion portion protruding further from the base portion of the flange portion 72 toward the tip (toward the upper container 27) 73.

  The base 71 and the protrusion 73 are provided hollow, and the protrusion 73 is thinner than the base 71, and the protrusion 73 is compressed when the seal member 70 contacts the back surface of the upper container 27 ( It is easy to bend and deform in the longitudinal direction). In the present embodiment, the cross-sectional shape of the protrusion 73 of the seal member 70 is a rectangular shape with rounded corners on the tip side. For example, as shown in FIG. The bellows may be easily deformed.

  The front end surface 73 a of the protrusion 73 extends in the width direction W of the seal member 70, that is, in a direction perpendicular to the circumferential direction of the annular seal member 70, and has a shape along the back surface of the upper container 27.

  In such a configuration, when the vegetable compartment door 25 is closed, the upper container 27 is urged while being guided rearward by the slide rail 28, and the distal end surface 73 a of the seal member 70 fixed to the connecting portion 80 is the upper container 27. It is pressed to a predetermined position on the back and comes into surface contact. As a result, the seal member 70 seals between the opening 27d of the upper container 27 and the connection portion 80, and is connected to the oxygen reduction device 60 in a sealed state in which the inside of the upper container 27 blocks outside air via the connection portion 80. Is done. Then, the oxygen reduction device 60 operates in a state where the upper container 27 is sealed, and the oxygen concentration in the upper container 27 is reduced.

  As shown in FIG. 5, the position where the front end surface 73 a of the seal member 70 contacts the back surface of the upper container 27 is such that the center C in the width direction of the front end surface 73 a of the seal member 70 is the opening 27 d of the upper container 27. It is preferable to be located outward from the outer peripheral edge E.

  In the refrigerator 10 of the present embodiment, since the seal member 70 that seals between the opening 27d of the upper container 27 and the connection portion 80 has self-adhesiveness, the opening 27d of the upper container 27 and the connection portion 80 are sealed. Can be reliably sealed, and stable sealing performance can be obtained even if the stored product is repeatedly taken in and out of the upper container 27.

  Further, in the present embodiment, the front end surface 73a of the seal member 70 extends in the width direction W of the seal member 70 to form a shape along the back surface of the upper container 27, and the opening 27d and the connection portion 80 of the upper container 27 Since the tip end surface 73a of the sealing member 70 comes into surface contact with the upper container 27 when sealing the gap between the openings, even if the position where the sealing member 70 contacts the upper container 27 varies, the opening 27d of the upper container 27 is provided. And the connection portion 80 can be reliably sealed, and a stable sealing performance can be obtained even if the stored product is repeatedly taken in and out of the upper container 27.

  In addition, since the protruding portion 73 of the seal member 70 is easily bent in the direction compressed by the upper container 27, even the tip end surface 73 a extending in the width direction W of the seal member 70 is brought into close contact with the back surface of the upper container 27. And more stable sealing performance can be obtained.

  In the present embodiment, the sealing member 70 is fixed to the connecting portion 80 by sandwiching the sealing member 70 between the fixing member 84 to which the connecting portion 80 is fixed and the connecting portion 80. Can be fixed to the connecting portion 80.

  In the present embodiment, when the oxygen reducing device 60 operates in a state where the upper container 27 is sealed, the pressure in the upper container 27 becomes negative, and the force with which the seal member 70 is drawn into the upper container 27 from the opening 27d. Although acting, the center part in the width direction of the seal member 70 that contacts the back surface of the upper container 27 is located outward from the outer peripheral edge of the opening 27d provided on the back surface of the upper container 27. It is difficult for the seal member 70 to be pulled into the upper container 27 during operation, and high sealing performance can be exhibited.

  In the present embodiment, since the rib 35 protruding into the upper container 27 is provided at the edge of the opening 27d of the upper container 27, the stored item in the upper container 27 is transferred from the opening 27d to the outside of the upper container 27. In addition to preventing protrusion, the rigidity of the portion of the upper container 27 with which the seal member 70 comes into contact can be increased, and the adhesion with the distal end surface 73a of the seal member 70 can be improved, and stable sealing performance can be obtained. It is done.

Moreover, in this embodiment, the opening part 27d of the upper container 27 is comprised from several through-hole 27d-1, and makes small each through-hole 27d-1 ensuring the opening area of the opening part 27d. Therefore, it is possible to prevent the stored product from protruding from the opening 27d to the outside of the upper container 27 without deteriorating the oxygen concentration reduction rate by the oxygen reduction device 60.

  Moreover, in the refrigerator 10 of this embodiment, when the vegetable compartment door 25 is closed, the upper container 27 is urged while being guided rearward by the slide rail 28 and is always disposed at a predetermined position. The tip end surface 73a of the seal member 70 can be pressed to the position, and stable sealing performance can be obtained even if the stored product is repeatedly taken in and out.

  In the above-described embodiment, the case where the seal member is fixed to the connection portion has been described. However, the seal member 70 may be fixed to the upper container 27, and in this case, the fixing that is fixed to the upper container 27 is performed. The seal member 70 may be fixed to the upper container 27 by sandwiching the seal member 70 between the member and the upper container 27.

Further, the lid sealing member 33 that seals between the upper surface opening 27a of the upper container 27 and the lid 29 is similar to the sealing member 70 that seals between the opening 27d of the upper container 27 and the connecting portion 80.
Self-adhesive and flexible resin (including rubber and elastomer) may be provided, and by this, the space between the upper surface opening 27a of the upper container 27 and the lid 29 can be reliably sealed. .

  As mentioned above, although embodiment of this invention was described, these embodiment was shown as an example and is not intending limiting the range of invention. These embodiments can be implemented in various other forms, 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 invention described in the claims and equivalents thereof as well as included in the scope and gist of the invention.

DESCRIPTION OF SYMBOLS 10 ... Refrigerator 20 ... Refrigeration space 21 ... Partition 22 ... Refrigeration room 23 ... Refrigeration room door 24 ... Vegetable room 25 ... Vegetable room door 26 ... Lower container 27 ... Upper container 27a ... Upper surface opening part 27b ... Flange part 27c ... Groove 27d ... opening 27d-1 ... through hole 28 ... slide rail 28a ... support frame 28b ... fixed rail 29 ... lid body 31 ... return duct 33 ... lid sealing member 34 ... lid opening / closing mechanism 35 ... rib 60 ... deoxygenating device 61 ... solid Polymer electrolyte membrane 62... Anode electrode 63. Cathode electrode 64. Case 65. 83 ... Holding part 84 ... Fixing member

Claims (8)

A storage room;
A container housed in the storage room;
An oxygen reduction device for reducing the oxygen concentration in the container of the storage chamber;
A connection part for connecting the inside of the container and the oxygen reduction device through an opening provided in the container;
An annular sealing member having self-adhesiveness and sealing between the opening of the container and the connecting portion ;
Refrigerators characterized that you have rib is provided projecting into the container interior to the edge of the opening of the container.   2. The refrigerator according to claim 1, wherein the seal member is fixed to one of the container and the connection portion, and a tip portion of the seal member is in surface contact with the other of the container and the connection portion. . A fixing member that is fixed to either the container or the connecting portion;
The refrigerator according to claim 1 or 2, wherein the sealing member is sandwiched between one of the container and the connecting portion and the fixing member. The seal member is fixed to the connecting portion;
The refrigerator according to any one of claims 1 to 3, wherein a central portion in the width direction of the sealing member that is in contact with the back surface of the container is located outward from an outer peripheral edge of the opening of the container. The refrigerator according to any one of claims 1 to 4 , wherein an area of the opening of the container is wider than an area of the opening that opens to the connection portion provided in the oxygen reduction device. The refrigerator according to any one of claims 1 to 5, the opening of the container, characterized in that it consists of a plurality of through holes. A door that closes the front opening of the storage chamber, and a slide rail that supports the container so that the container can be pulled out.
The seal member is fixed to either the container or the connection part,
The said slide rail urges | biases the said container back at the time of the said door closing, and presses the said sealing member to the other predetermined position of the said container and the said connection part, The any one of Claims 1-6 characterized by the above-mentioned. The refrigerator according to item 1. A lid that opens and closes an upper surface opening provided on the upper surface of the container; and a lid seal member that is provided between the lid and the container and seals the upper surface opening of the container, and the lid sealing member is self-adhesive the refrigerator according to any one of claims 1 to 7, characterized in that it has a sex.

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