JP2009115368A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator capable of preventing leakage of cold air and improving the appearance of the inside by preventing a foam insulation material from leaking out into the inside. <P>SOLUTION: This refrigerator includes a heat insulating housing constituted by filling between an inner case 3 and an outer case 2 with the foam insulation material 4, and having a front opening portion, and a partitioning wall 5 disposed on the inner case 3 to partition the inside of the heat insulated housing into a plurality of compartments. A first space 5b filled with a part of the foam insulation material 4 filled between the inner case 3 and the outer case 2, and second spaces 8a, 8b receiving the foam insulation material 4 leaking from the first space 5b to prevent leakage of the foam insulation material 4 into the inside of the refrigerator, are formed between a part on which the partitioning wall 5 is mounted in the inner case 3 and the partitioning wall 5 in a state of mounting the partitioning wall 5 on the inner case 3, thus the partitioning wall 5 can be surely fixed to the inner case 3, the foam insulation material 4 leaking out from the first space 5b can be received in the second spaces 8a, 8b, and the leakage of the foam insulation material to the inside of the refrigerator can be prevented. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

Description

  The present invention relates to a partition wall configuration of a refrigerator provided with a partition wall that partitions the interior of a heat insulating box into a plurality of rooms.

  In this type of refrigerator, a heat insulating box is partitioned into a plurality of storage rooms, that is, a refrigerator room, a freezer room, a vegetable room, and the like by, for example, a plurality of partition walls (see, for example, Patent Document 1).

  The partition wall structure of the conventional refrigerator will be described with reference to FIG. FIG. 4 is an enlarged cross-sectional view of the main part showing the vicinity of the right end of the partition wall in the conventional refrigerator.

  In FIG. 4, a heat insulating box body 101 having a front opening is formed by filling a foam heat insulating material 104 between an outer box 102 and an inner box 103, and the inside of the box is provided by a partition wall 105 provided in the heat insulating box body 101. Is divided into a plurality of storage rooms. A mounting surface of the partition wall 105 that contacts the inner box 103 is provided with a space portion 107 that faces the opening 106 of the inner box 103, and a part of the foam heat insulating material 104 is allowed to flow into the space portion 107. Is fixed to the inner box 103.

The gap between the partition wall 105 and the inner box 103 between the portion of the inner box 103 to which the partition wall 105 is attached and the partition wall 105 is basically the same in order to prevent the foamed heat insulating material 104 from leaking out. In particular, it is mounted at a minimum distance necessary for mounting.
JP 2000-180040 A

  However, in the above-described conventional configuration, the foam heat insulating material 104 filled between the partition wall 105 and the portion of the inner box 103 where the partition wall 105 is attached leaks into the warehouse through the gap between the two parts, and the warehouse There was a possibility of deteriorating the appearance of the inside. In order to prevent the foam insulation 104 from leaking into the cabinet, it is necessary to prevent the foam insulation 104 from leaking to the inside of the cabinet using the seal member, and costs such as the material cost of the seal member and the installation processing cost, etc. It had the problem of inviting an increase.

  This invention solves the said conventional subject, and it aims at providing the refrigerator which suppressed the cost and ensured the external appearance quality in the store | warehouse | chamber.

  In order to achieve the above object, the refrigerator of the present invention includes a heat insulating box body having a front opening formed by filling a foam heat insulating material between an inner box and an outer box, and the heat insulating box attached to the inner box. A partition wall that divides the body into a plurality of rooms, and in a state where the partition wall is attached to the inner box, the inner box is disposed between a portion of the inner box to which the partition wall is attached and the partition wall. A first space filled with a part of the foam heat insulating material filled between the outer box and the foam heat insulating material leaked from the first space to accommodate the foam heat insulating material in a cabinet. A second space was formed to prevent the material from leaking.

  Thereby, even if the foam heat insulating material with which the first space is filled leaks from the first space, the leaked foam heat insulating material is accommodated in the second space and can prevent leakage into the cabinet. .

  The refrigerator of the present invention can prevent leakage of the foam heat insulating material into the cabinet with a simple structure, and can provide a low-cost and high-quality refrigerator.

  According to the first aspect of the present invention, a heat insulating box having a front opening formed by filling a foam heat insulating material between the inner box and the outer box, and a plurality of rooms in the heat insulating box attached to the inner box. In the state where the partition wall is attached to the inner box, between the inner wall and the outer box between the part to which the partition wall is attached and the partition wall. The foam insulation is leaked into the cabinet by accommodating the first space filled with a part of the foam insulation filled between and the foam insulation leaked from the first space. A foam insulating material filled in a gap between the partition wall and the inner box is formed from the first space between the partition wall and the part to which the partition wall is attached. Even if it tries to leak, the amount of foam insulation that the second space leaks is sufficient. If a space sized, since the foam insulation leaked from the first space accommodating the second space, it is possible to prevent the leakage to the refrigerator inside.

  The invention according to claim 2 is the invention according to claim 1, wherein the second space is formed by a rib or a concave shape provided in the partition wall, and the second space has a simple structure. The cost can be reduced.

  The invention according to claim 3 is the invention according to claim 1, wherein the second space is formed by a rib or a concave shape provided in the inner box, and the second space has a simple structure. The cost can be reduced.

  The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein the foamed heat insulating material leaking from the first space into the second space leaks into the cabinet. When the foam insulation filled in the first space leaks out, the number of obstacles until the leaked foam insulation reaches the inside of the cabinet increases, It is possible to more efficiently prevent the material from leaking to the inside of the warehouse.

  The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the partition wall divides the heat insulation box into a plurality of rooms in the vertical direction. The second space is provided both above and below the first space, and the foam insulation that leaks from the first space flows into the space above and below the partition wall. It is possible to prevent the material from leaking to the inside of the warehouse.

  The invention according to claim 6 is the invention according to any one of claims 1 to 5, wherein the partition wall is configured by combining the divided walls, and the partition wall has a heat insulating effect. When the thickness is provided, it is possible to arrange a heat insulating member as a separate part in the partition wall divided into two upper and lower parts, and even when a heater member to be attached for adjusting the inside temperature is attached, It can be easily installed in the wall. In addition, it is easier to mold as compared with the case of a single component, and the cost can be reduced.

  The invention according to claim 7 is the invention according to any one of claims 1 to 6, wherein the first space is configured to communicate with substantially the entire space in the partition wall, and the foam insulation A part of the material is filled, and the heat insulating effect of the partition wall can be improved.

  The invention according to claim 8 is the invention according to any one of claims 1 to 7, wherein the first space includes a convex portion, and the convex portion is an inner box in contact with the first space. Inserted into the provided opening and arranged, it becomes easier for the foam insulation to flow into the partition wall from the cylindrical projection when filling the foam insulation, so the foam insulation is placed in the partition wall. It can be filled reliably. Also, since the foam insulation flows from both the partition wall side and the inner box side into the space between the partition wall and the inner box where the foam insulation material is filled, the attachment part between the partition wall and the inner box The foamed heat insulating material flowing into the space is surely filled without gaps, and cold air leakage around the partition wall periphery can be reliably prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a longitudinal sectional view of a refrigerator according to Embodiment 1 of the present invention cut left and right and the left cut surface viewed from the right, and FIG. 2 is attached to an inner box with a partition wall in the refrigerator of the same embodiment FIG. 3 is an essential part enlarged cross-sectional view showing the vicinity of the right end of the partition wall in the refrigerator according to the embodiment.

  1 to 3, the refrigerator main body has storage rooms with different temperature zones, and storage rooms are arranged according to a predetermined storage temperature, such as a refrigerator room, a vegetable room, and a freezer room.

  Specifically, a refrigerator box 1 having an open front is composed of an outer box 2, an inner box 3, and a foam heat insulating material 4 filled between the outer box 2 and the inner box 3. The partition wall 5 that divides the upper and lower sides is configured by combining an upper partition plate 6 and a lower partition plate 7. And the peripheral part of the partition wall 5 is fitted by the fitting groove | channel 8 of the cross-sectional substantially concave shape continuously formed in the both sides | surfaces and the back surface of the inner box 3 horizontally. The partition wall 5 and the partition 9 form a refrigerator compartment 10 at the top of the box 1, a vegetable compartment 11 below it, and a freezer compartment 12 at the bottom.

  And it has the cylindrical convex part 5a which formed the 1st space in the front right and left of the partition wall 5, and has opened the front-end | tip part. And the convex part 5a is inserted and arrange | positioned in the opening part (not shown) provided in the inner box 3. FIG.

  Further, the side wall and the back surface of the partition wall 5 are further provided with a recess 5b that forms a first space, and the protrusion 5a and the recess 5b are located on substantially the same horizontal plane on the side surface and the back surface of the partition wall 5. Each inner box 3 facing the recess 5b has an injection hole 3a.

  Further, second spaces 8a and 8b are further provided above and below the convex portion 5a and the concave portion 5b forming the first space. The second space 8a is formed by a concave portion formed integrally with the inner box 3 between the partition wall 5 and the portion where the partition wall 5 is attached in the inner box 3, and the second space 8b is It is provided by a plurality of ribs 5 c provided on the partition wall 5. The recesses or ribs forming the second space may be provided in either the inner box 3 or the partition wall 5.

  The refrigerator of the present embodiment includes a heat insulating box 1 having a front opening formed by filling a foam heat insulating material 4 between the inner box 3 and the outer box 2, and the heat insulating box 1 attached to the inner box 3. A partition wall 5 that divides the inner wall 3 into a plurality of rooms, and in a state where the partition wall 5 is attached to the inner box 3, the inner box 3 By accommodating the first space filled with a part of the foam insulation 4 filled between the outer box 2 and the foam insulation 4 leaked from the first space, the foam insulation is accommodated in the cabinet. The second space 8a, 8b for preventing the leakage of 4 is formed, and the foam heat insulating material 4 filled in the gap between the partition wall 5 and the inner box 3 attaches the partition wall 5 in the inner box 3. Even if an attempt is made to leak from the first space between the portion and the partition wall 5, the second space 8a, 8b leaks. If the space is sufficiently large with respect to the amount of the material 4, the foam heat insulating material 4 leaking from the first space can be accommodated in the second spaces 8a and 8b, so that it is prevented from leaking to the inside of the warehouse. be able to.

  The second spaces 8a and 8b are formed continuously over the side surface and the back surface, respectively. In addition, when not forming continuously, you may form partially corresponding to the convex part 5a and the recessed part 5b which form 1st space. A plurality of spaces may be formed toward the inside of the cabinet.

  In addition, the cylindrical convex part 5a which formed the 1st space may be formed in communication with substantially the whole space in the partition wall 5, and may fill a part of the foam heat insulating material 4. FIG.

  In the above-described configuration, the heat insulating box 4 is formed by filling and foaming the foam heat insulating material 4 between the outer box 2 and the inner box 3. At this time, a part of the foam heat insulating material 4 has an injection hole 3a located between the partition wall 5 and the inner box 3, or a cylindrical convex portion 5a forming a first space on the front left and right of the partition wall 5. From the opening of the inserted inner box 3, the convex portion 5 a and the concave portion 5 b forming the first space are filled, and the side wall and the back surface of the partition wall 5 in contact with the inner box 3 are firmly bonded. Therefore, the means for fixing the partition wall 5 to the inner box 3 can be simplified.

  Moreover, even if a part of the foam heat insulating material 4 filled in the first space leaks from the gap in the first space, the leaked foam heat insulating material 4 is stored in the second spaces 8a and 8b. Thus, it is possible to prevent leakage into the cabinet, and it is possible to provide a high-quality refrigerator.

  Further, since the second spaces 8a and 8b are formed by a plurality of ribs 5c provided in the recessed portion or the partition wall 5 formed integrally with the inner box 3, the second spaces 8a and 8b have a simple structure. The cost can be reduced.

  In addition, the second spaces 8a and 8b are continuously formed over the side surface and the back surface, respectively, so that the volume of the second spaces 8a and 8b can be set large, and more reliably into the warehouse. Leakage can be prevented.

  In addition, when a plurality of second spaces 8a and 8b are formed corresponding to the first space, the number of obstacles until the leaked foam heat insulating material 4 reaches the inside of the warehouse increases, and foaming is caused. It can prevent more efficiently that the heat insulating material 4 leaks out to the inner side.

  In the refrigerator of the present embodiment, a plurality of second spaces 8a and 8b are formed in a direction in which the foam insulation 4 leaking from the first space leaks into the cabinet, and the first space is filled with foam. When the heat insulating material 4 leaks, the number of obstacles until the leaked foam heat insulating material 4 reaches the inside of the warehouse increases, and it is more efficient that the foam heat insulating material 4 leaks to the inside of the warehouse. Can be prevented.

  Further, since the second spaces 8a and 8b are formed above and below the first spaces 5a and 5b, the leaked foam heat insulating material 4 is located above or below the partition wall 5. Even in the case of flowing, it is possible to prevent the foam heat insulating material 4 from leaking to the inside of the warehouse.

  In the refrigerator of the present embodiment, the second spaces 8a and 8b are provided both above and below the first spaces 5a and 5b, and the foamed heat insulating material 4 leaking from the first space is provided with the partition wall 5. However, it is possible to prevent the foamed heat insulating material 4 from leaking to the inside of the warehouse, regardless of whether it flows in the upper or lower space.

  Moreover, since the partition wall 5 is configured by combining the upper partition plate 6 and the lower partition plate 7, when the partition wall is provided with a thickness for a heat insulating effect, the partition wall 5 is divided into upper and lower two parts. It is possible to dispose a heat insulating member which is a separate part, and it is possible to easily attach the heater member to the partition wall 5 even when a heater member is attached to adjust the internal temperature. In addition, it is easier to mold as compared with the case of a single component, and the cost can be reduced.

  Further, the cylindrical convex portion 5a forming the first space is inserted into an opening provided in the inner box 3, is formed so as to communicate with substantially the entire space in the partition wall 5, and foam insulation is provided in the interior of the space. By filling a part of the material 4, the heat insulating effect of the partition wall can be improved.

  Also, cylindrical projections 5a having a first space are inserted in the front left and right of the partition wall 5 into the opening provided in the inner box 3, and the tip is opened to fill the foam insulation 4 Therefore, when the foam heat insulating material 4 is filled, the foam heat insulating material 4 easily flows from the cylindrical convex portion 5a into the partition wall 5, and therefore the foam heat insulating material 4 is surely filled into the partition wall 5. Can do. Moreover, the foam heat insulating material 4 is filled from the partition wall 5 side and from the inner box 3 side into the space between the partition wall 5 and the portion of the inner box 3 to which the foam heat insulating material 4 is filled. Since it flows, the foam insulation 4 that flows into the space between the partition wall 5 and the portion of the inner box 3 where the partition wall 5 is attached is surely filled without gaps, and cold air leaks around the partition wall 5. Can be reliably prevented.

  As described above, the refrigerator according to the present invention relates to the partition wall of the refrigerator, and particularly relates to the configuration of the hollow space provided between the partition wall and the inner box, and has refrigeration and freezing functions other than the refrigerator. It is applicable also to uses, such as a storage which has a partition wall.

The longitudinal cross-sectional view at the time of cutting the refrigerator in Embodiment 1 of this invention into right and left The perspective view of the state which attached the partition wall in the refrigerator of the embodiment to the inner box The principal part expanded sectional view which shows the right end part vicinity of the partition wall in the refrigerator of the embodiment The principal part expanded sectional view which shows the right end part vicinity of the partition wall in the conventional refrigerator

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Refrigerator box 2 Outer box 3 Inner box 3a Injection hole 4 Foam heat insulating material 5 Partition wall 5a Cylindrical convex part (1st space)
5b Recessed part (first space)
6 Upper partition plate 7 Lower partition plate 8a, 8b Second space

Claims (8)

  A heat insulating box having a front opening formed by filling a foam heat insulating material between the inner box and the outer box, and a partition wall attached to the inner box and dividing the heat insulating box into a plurality of rooms; In the state in which the partition wall is attached to the inner box, the foam heat insulating material filled between the inner box and the outer box between the partition wall and the partition wall in the inner box. Forming a first space filled with a part of the first space and a second space for preventing the foamed heat insulating material from leaking into the cabinet by accommodating the foamed heat insulating material leaked from the first space. A refrigerator characterized by that.   The refrigerator according to claim 1, wherein the second space is formed in a rib or a concave shape provided in the partition wall.   The refrigerator according to claim 1, wherein the second space is formed by a rib or a concave shape provided in the inner box.   The refrigerator according to any one of claims 1 to 3, wherein a plurality of the second spaces are formed in a direction in which the foamed heat insulating material leaking from the first space leaks into the cabinet.   The partition wall divides the heat insulation box into a plurality of vertical rooms, and the second space is provided both above and below the first space. The refrigerator according to any one of 4.   The refrigerator according to any one of claims 1 to 5, wherein the partition wall is configured by combining divided parts.   7. The first space according to claim 1, wherein the first space is configured to communicate with substantially the entire space in the partition wall and is filled with a part of the foam heat insulating material. refrigerator.   The said 1st space is provided with the convex part, The said convex part is inserted and arrange | positioned in the opening provided in the inner box which contact | connects said 1st space, It is any one of Claim 1 to 7 characterized by the above-mentioned. The refrigerator according to item.