JP2013177992A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator capable of improving impact resistance by reducing cost and the number of components.SOLUTION: A refrigerator 1 is the refrigerator 1 including a heat insulating box body 2 in which a foamed heat insulating material 22 is filled between an outer box 20 and an inner box 21, and a machine chamber 9 provided in a lower portion of the heat insulating box body 2. The outer box 20 includes a ceiling portion 20f forming the ceiling of the machine chamber 9. Support members 30 which are formed of sheet metal and support the ceiling portion 20f are provided on both of right and left sides of the machine chamber 9. The support members 30 include support portions 30e which faces the ceiling portion 20f and are bent in a horizontal direction, and the ceiling portion 20f is installed on the support portions 30e.

Description

  The present invention relates to a refrigerator, and more particularly, to a refrigerator provided with a support member that supports a ceiling portion that forms a ceiling of a machine room.

  Conventionally, a refrigerator provided with a support member that supports a ceiling portion that forms the ceiling of a machine room is known. 8 and 9 are views showing an example of the structure of a conventional refrigerator provided with a support member that supports the ceiling. 10 to 12 are perspective views for explaining the structure of the supporting member and the reinforcing member of the conventional refrigerator shown in FIG. A conventional refrigerator 1001 includes a heat insulating box 1002 as shown in FIG. For example, a vegetable room 1003 is provided in the lower part of the heat insulating box 1002.

  The heat insulating box 1002 includes an outer box 1010, an inner box 1011 disposed in the outer box 1010, and a foam heat insulating material 1012 filled between the outer box 1010 and the inner box 1011. The outer box 1010 includes a pair of side surface portions 1010a (see FIG. 9), a lower surface portion 1010b, and a back surface portion 1010c. The inner box 1011 forms a storage room such as the vegetable room 1003.

  As shown in FIGS. 8 and 9, a machine room 1004 in which a compressor (not shown) for operating a refrigeration cycle is disposed is provided below the back side of the heat insulating box 1002. The side surface of the machine room 1004 is formed by extending a side surface portion 1010 a of the outer box 1010. The front surface and ceiling of the machine room 1004 are formed by the lower surface portion 1010 b of the outer box 1010. The lower surface portion 1010 b includes a front surface portion 1010 d that forms the front surface of the machine room 1004 and a ceiling portion 1010 e that forms the ceiling of the machine room 1004. The back surface of the machine room 1004 is formed by a rear cover member (not shown). The rear cover member is fixed to the back surface portion 1010c with screws 1030.

  On both the left and right sides of the machine room 1004, sheet metal support members 1020 that support the lower portion of the heat insulation box 1002 on the back side are provided. As shown in FIG. 10, the support member 1020 includes a back surface portion 1020a and a pair of side surface portions 1020b extending in the vertical direction. As shown in FIG. 8, the back surface portion 1020 a is fixed to the heat insulating box 1002 with screws 1031. A ceiling portion 1010e is installed on an upper end 1020c (see FIG. 10) of one side surface portion 1020b of the support member 1020, and the heat insulating box 1002 is supported.

  Further, as shown in FIG. 11, a sheet metal reinforcing member 1021 is attached to the back surface portion 1020 a with screws 1032. As shown in FIGS. 8 and 12, the reinforcing member 1021 is formed with a support piece 1021 a that supports the ceiling portion 1010 e of the heat insulating box 1002.

  The support piece 1021a extends in the plate thickness direction horizontally and extends forward from the side surface portion 1020b of the support member 1020. The upper end of the support piece 1021a is disposed at the same height as the upper end 1020c of the side surface portion 1020b. Thereby, the ceiling part 1010e is installed on the upper end 1020c of the side surface part 1020b and the support piece 1021a, and the support strength of the heat insulating box 1002 can be improved.

  In addition, the refrigerator in which the machine room was provided under the heat insulation box is disclosed by patent document 1, for example.

JP 2006-78114 A

  However, according to the conventional refrigerator 1001, the installation area (support area) of the ceiling portion 1010e installed on the support member 1020 and the support piece 1021a is small. For this reason, the support member 1020 and the support piece 1021a may break through the ceiling portion 1010e due to an impact when the drop test is performed. Accordingly, it is necessary to form the lower surface portion 1010b of the outer box 1010 thick, and there is a problem that the cost of the refrigerator 1001 increases. Further, since the reinforcing member 1021 is provided, there is a problem that the number of parts increases and the assembling work becomes complicated.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a refrigerator capable of improving impact resistance by reducing cost and the number of parts. is there.

  In order to achieve the above object, a refrigerator according to the present invention is a refrigerator provided with a heat insulating box filled with a foam heat insulating material between an outer box and an inner box, and a machine room provided below the heat insulating box. The outer box includes a ceiling part that forms the ceiling of the machine room, and support members made of sheet metal that support the ceiling part are provided on the left and right sides of the machine room, and the support member is horizontally facing the ceiling part. A support part that is bent in a direction is provided, and a ceiling part is installed on the support part.

  In the refrigerator according to the present invention, the support member is provided with a support portion that faces the ceiling portion and is bent in the horizontal direction, and the ceiling portion is installed on the support portion. Thereby, a ceiling part is supported by a surface by a support part. The support part is formed by bending the support member.

  In the refrigerator, preferably, the support portion is provided with a claw portion that is bent upward and pierces the ceiling portion. If comprised in this way, it can suppress that a ceiling part moves to the front-back direction.

  In the refrigerator in which the claw portion is provided in the support portion, preferably, the support portion is formed to extend inward in the width direction of the heat insulating box, and a plurality of claw portions are formed in the support portion along the width direction. ing. If comprised in this way, while the inside (center side) of a ceiling part can be supported by a nail | claw part, a ceiling part can be supported by many claw parts. Thereby, the bending of a ceiling part can be suppressed.

  In the refrigerator in which the claw portion is provided on the support portion, the claw portion is preferably provided at the tip of the support portion. If comprised in this way, a nail | claw part can be formed easily.

  According to the present invention, the support member is provided with the support portion that faces the ceiling portion and is bent in the horizontal direction, and the ceiling portion is installed on the support portion. Thereby, a ceiling part is supported by a surface by a support part. That is, the area of the portion that supports the ceiling portion can be increased. For this reason, since it can suppress that a support part pierces a ceiling part by the impact in a drop test, it can suppress that a heat insulation box is damaged. In addition, since it is not necessary to form a ceiling part thickly, the cost of a refrigerator does not increase. The support part is formed by bending the support member. Thereby, it can suppress that a number of parts increases, and can suppress that an assembly operation becomes complicated. For this reason, the cost of a refrigerator can be reduced.

It is sectional drawing which showed roughly the structure of the refrigerator of 1st Embodiment of this invention. It is sectional drawing which showed the structure of the machine room periphery of the refrigerator of 1st Embodiment of this invention shown in FIG. It is the rear view which showed the structure of the machine room periphery of the refrigerator of 1st Embodiment of this invention shown in FIG. It is the perspective view which showed the structure of the supporting member of the refrigerator of 1st Embodiment of this invention shown in FIG. It is the rear view which showed the structure of the supporting member of the refrigerator of 1st Embodiment of this invention shown in FIG. It is the expansion perspective view which showed the structure of the support part periphery of the supporting member of the refrigerator of 1st Embodiment of this invention shown in FIG. It is the perspective view which showed the structure of the supporting member of the refrigerator of 2nd Embodiment of this invention. It is sectional drawing which showed an example of the structure of the conventional refrigerator. It is the rear view which showed the structure of the conventional refrigerator shown in FIG. It is the perspective view which showed the structure of the supporting member of the conventional refrigerator shown in FIG. It is the perspective view which showed the state which attached the reinforcement member to the supporting member of the conventional refrigerator shown in FIG. It is the perspective view which showed the structure of the reinforcement member of the conventional refrigerator shown in FIG.

  Embodiments of the present invention will be described below with reference to the drawings. In order to facilitate understanding, even a cross-sectional view may not be hatched.

(First embodiment)
With reference to FIGS. 1-6, the structure of the refrigerator 1 by 1st Embodiment of this invention is demonstrated. As shown in FIG. 1, the refrigerator 1 includes a heat insulating box 2. The heat insulation box 2 is provided with a refrigerator compartment 3, a freezer compartment 4 and a vegetable compartment 5 in this order from the top. The refrigerator compartment 3 stores the stored items in a refrigerator, and the freezer compartment 4 stores the stored items in a frozen state. The vegetable room 5 is maintained at a slightly higher temperature than the refrigerated room 3, and stores stored items such as vegetables in a refrigerator.

  The refrigerator compartment 3 is opened and closed by a rotating door 3a. The freezer compartment 4 and the vegetable compartment 5 are opened and closed by drawer type doors 4a and 5a formed integrally with a storage case (not shown), respectively.

  A first cold air passage 7 and a second cold air passage 8 communicating with each other via a damper 6 are provided on the back surfaces of the freezer compartment 4 and the refrigerator compartment 3. A cooler 11 and a blower 12 are disposed in the first cold air passage 7, and a discharge port 7 a that faces the freezer compartment 4 is provided. The second cold air passage 8 is provided with a discharge port 8a facing the refrigerator compartment 3.

  A machine room 9 is provided behind the vegetable room 5 adjacent to the heat insulating box 2, and a compressor 10 for operating a refrigeration cycle is installed in the machine room 9. A condenser (not shown), a capillary tube (not shown), and a cooler 11 are sequentially connected to the compressor 10 via a refrigerant pipe (not shown) through which the refrigerant flows, and the refrigerant pipe is connected to the compressor 10. Return. Thus, the refrigeration cycle is operated, and the cooler 11 exchanges heat with the air flowing through the first cold air passage 7 to generate cold air.

  When the blower 12 is driven, air flows through the first cold air passage 7. At this time, when the damper 6 is opened, cold air flows through the second cold air passage 8. The cold air flowing through the first cold air passage 7 and the second cold air passage 8 is discharged to the freezer compartment 4 and the refrigerator compartment 3 through the discharge ports 7a and 8a, respectively.

  The freezer compartment 4 is provided with a return port (not shown) for returning cold air to the first cold air passage 7. The refrigerator compartment 3 is provided with a communication passage (not shown) communicating with the vegetable compartment 5, and the vegetable compartment 5 is provided with a return port (not shown) for returning the cold air to the first cold air passage 7.

  The heat insulating box 2 includes an outer box 20, an inner box 21 disposed in the outer box 20, and a foam heat insulating material 22 filled between the outer box 20 and the inner box 21. The outer box 20 includes an upper surface portion 20a, a pair of side surface portions 20b (see FIG. 3), a lower surface portion (bottom plate) 20c, and a back surface portion 20d. The inner box 21 forms a refrigerator compartment 3, a freezer compartment 4 and a vegetable compartment 5. The foam heat insulating material 22 is made of, for example, hard foamed urethane.

  The machine room 9 is formed below the heat insulating box 2. As shown in FIGS. 2 and 3, the front surface and the ceiling of the machine room 9 are formed by the lower surface portion 20 c of the outer box 20. The lower surface portion 20 c includes a front surface portion 20 e that forms the front surface of the machine room 9 and a ceiling portion 20 f that forms the ceiling of the machine room 9. The side surface of the machine room 9 is formed by extending the side surface portion 20 b of the outer box 20. The back surface of the machine room 9 is formed by a rear cover member (not shown). The rear cover member is fixed to the back surface portion 20 d by screws 40. The lower surface portion 20c, the side surface portion 20b, and the rear cover member are made of sheet metal. In addition, the hatching area | region of FIG.

  On both the left and right sides of the machine room 9, sheet metal support members 30 that support the lower part on the back side of the heat insulating box 2 are provided. As shown in FIG. 4, the support member 30 is disposed on the back surface portion 30 a extending in the vertical direction, the inner side surface portion 30 b disposed on the inner side in the width direction of the heat insulation box 2, and on the outer side in the width direction of the heat insulation box body 2. The outer side surface portion 30c and the bottom surface portion 30d are included. As shown in FIG. 2, the back surface portion 30 a is fixed to the heat insulating box 2 by screws 41.

  As shown in FIGS. 5 and 6, the inner side surface portion 30 b is provided with a support portion 30 e that is bent in the horizontal direction and inside the width direction of the heat insulating box 2. The support portion 30e faces the ceiling portion 20f with the plate thickness direction arranged vertically. A ceiling portion 20f is installed on the support portion 30e, and the support portion 30e supports the ceiling portion 20f from below. Further, a rib 30f is provided at the bent portion of the support portion 30e in order to improve the strength in the vertical direction.

  A claw portion 30g bent upward is provided at the tip of the support portion 30e. As shown in FIGS. 2 and 3, the claw portion 30g is pierced into the ceiling portion 20f formed with a thin plate thickness, and suppresses the movement of the ceiling portion 20f in the front-rear direction. As shown in FIG. 6, the bent part (bottom part) of the claw part 30g is notched, and the claw part 30g is prevented from coming out of the ceiling part 20f.

  In the present embodiment, as described above, the support member 30 is provided with the support portion 30e that faces the ceiling portion 20f and is bent in the horizontal direction, and the ceiling portion 20f is installed on the support portion 30e. Thereby, the ceiling part 20f is supported by the surface by the support part 30e. That is, the area of the portion that supports the ceiling portion 20f can be increased. For this reason, since it can suppress that the support part 30e pierces the ceiling part 20f by the impact in a drop test, it can suppress that the heat insulation box 2 is damaged. In addition, since it is not necessary to form the ceiling part 20f thickly, the cost of the refrigerator 1 does not increase. Further, the support portion 30 e is formed by bending the support member 30. Thereby, it can suppress that a number of parts increases, and can suppress that an assembly operation becomes complicated. For this reason, the cost of the refrigerator 1 can be reduced.

  The support portion 30e is provided with a claw portion 30g that is bent upward and pierces the ceiling portion 20f. Thereby, it can suppress that the ceiling part 20f moves to the front-back direction. In the assembling process of the refrigerator 1, the operation is performed in a state where the refrigerator 1 is tilted forward and the front surface of the refrigerator 1 faces downward (toward the ground). For this reason, by providing the claw part 30g in the support part 30e and piercing the ceiling part 20f, it is possible to suppress the ceiling part 20f from moving to the front side (the ground direction) of the refrigerator 1 in the assembly process. Thereby, the assembly workability | operativity of the refrigerator 1 can be improved.

  Further, the claw portion 30g is provided at the tip of the support portion 30e. Thereby, the nail | claw part 30g can be formed easily.

(Second Embodiment)
In 2nd Embodiment of this invention, as shown in FIG. 7, the support part 30e of the support member 30 is formed so that it may extend inside the width direction of the heat insulation box 2. As shown in FIG. A plurality of (for example, two) claw portions 30g are formed in the support portion 30e along the width direction of the heat insulating box 2.
Other structures of the second embodiment are the same as those of the first embodiment.

  In the present embodiment, as described above, the support portion 30e is formed to extend inward in the width direction of the heat insulating box 2, and a plurality of claw portions 30g are formed in the support portion 30e along the width direction. Thereby, while the inside (center side) of the ceiling part 20f can be supported by the claw part 30g, the ceiling part 20f can be supported by many claw parts 30g. Thereby, the bending of the ceiling part 20f can be suppressed.

  Other effects of the second embodiment are the same as those of the first embodiment.

  Although the said 1st and 2nd embodiment demonstrated the example which formed the support part by bending inside the width direction of a heat insulation box, even if it forms a support part by bending outside the width direction of a heat insulation box, Good.

  Moreover, although the said 1st and 2nd embodiment demonstrated the example which provided the nail | claw part in the support part, it is not necessary to provide a nail | claw part in a support part.

DESCRIPTION OF SYMBOLS 1 Refrigerator 2 Heat insulation box 9 Machine room 20 Outer box 20f Ceiling part 21 Inner box 22 Foam heat insulating material 30 Support member 30e Support part 30g Claw part

Claims (4)

A refrigerator comprising a heat insulating box filled with a foam heat insulating material between an outer box and an inner box, and a machine room provided below the heat insulating box,
The outer box includes a ceiling part that forms a ceiling of the machine room,
Sheet metal support members for supporting the ceiling portion are provided on the left and right sides of the machine room,
The support member is provided with a support portion that is bent in a horizontal direction facing the ceiling portion,
The refrigerator is characterized in that the ceiling part is installed on the support part.   The refrigerator according to claim 1, wherein the support portion is provided with a claw portion that is bent upward and pierces the ceiling portion. The support part is formed to extend inward in the width direction of the heat insulating box,
The refrigerator according to claim 2, wherein a plurality of the claw portions are formed in the support portion along the width direction.   The refrigerator according to claim 2 or 3, wherein the claw portion is provided at a tip of the support portion.

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