Vacuum adiabatic body and refrigerator

Patent metadata

Field	Value
Publication number	US-11248833-B2
Application number	US-201816766233-A
Country	US
Kind code	B2
Filing date	Dec 11, 2018
Priority date	Dec 13, 2017
Publication date	Feb 15, 2022
Grant date	Feb 15, 2022

Abstract

A vacuum adiabatic body according to the present invention includes at least one reinforcing frame which is installed along a corner of at least one of a first plate member and a second plate member constituting an inner wall and an outer wall of the vacuum adiabatic body and is provided as one body for reinforcing the strength, thereby being capable of reinforcing the strength of the vacuum adiabatic body which is applied to the three-dimensional structure.

First claim

The invention claimed is:

1. A vacuum adiabatic body comprising:
a first plate which defines at least a portion of a wall for a first space;
a second plate which defines at least a portion of a wall for a second space which has a temperature different from that of the first space;
a sheet which seals between the first plate and the second plate so as to provide a third space which has a temperature between a temperature of the first space and a temperature of the second space and is in a vacuum state;
a support provided in the third space to maintain a gap in the third space; and
at least one reinforcing frame which is installed along at least one corner defined by the first plate and the second plate so as to reinforce strength of the vacuum adiabatic body.

2. The vacuum adiabatic body according to claim 1 ,
wherein the reinforcing frame is provided along all the corners of the vacuum adiabatic body defined by at least one of the first plate or the second plate.

3. The vacuum adiabatic body according to claim 1 ,
wherein the reinforcing frame includes a first frame having two walls that intersect at an angle that is not a straight angle.

4. The vacuum adiabatic body according to claim 3 , further comprising:
a sheet which extends between the first plate and the second plate,
wherein a first wall, of the two walls of the first frame, extends along one of the first plate or the second plate and includes a first edge that intersect a second wall of the two walls and a second edge that is opposite to the first edge and is closer to the sheet than the first edge.

5. The vacuum adiabatic body according to claim 3 ,
wherein the reinforcing frame is welded to at least one of the first plate or the second plate.

6. The vacuum adiabatic body according to claim 3 ,
wherein the reinforcing frame further includes a second frame that is separated from the first frame and has a section with a planar shape.

7. The vacuum adiabatic body according to claim 1 ,
wherein a frame cutout is provided on the reinforcing frame.

8. The vacuum adiabatic body according to claim 1 ,
wherein at least a portion of the reinforcing frame is placed in the third space between the first plate and the second plate.

9. The vacuum adiabatic body according to claim 1 , further comprising:
an opening; and
a front frame which is positioned at the opening and is coupled to at least one of the first plate or the second plate to prevent deformation of the vacuum adiabatic body at the opening.

10. A refrigerator comprising:
a vacuum adiabatic body which includes
a first plate which defines at least a portion of a wall for a first space,
a second plate which defines at least a portion of a wall for a second space which has a temperature different from that of the first space, and
a sheet which seals the first plate and the second plate so as to provide a third space which has a temperature between a temperature of the first space and a temperature of the second space and is in a vacuum state;

a door which opens and closes an opening of the vacuum adiabatic body;
a first reinforcing frame which extends along a corner formed on a vertical edge of the vacuum adiabatic body that is positioned opposite to the opening and is installed on at least one of the first plate or the second plate; and
a second reinforcing frame which extends along at least a portion of the opening and is installed on at least one of the first plate or the second plate.

11. The refrigerator according to claim 10 , further comprising:
a third reinforcing frame which is provided to connect the first reinforcing frame and the second reinforcing frame to each other.

12. The refrigerator according to claim 11 , further comprising:
a fourth reinforcing frame which extends to traverse the opening of the vacuum adiabatic body.

13. The refrigerator according to claim 12 , further comprising:
a partition which is positioned in a storage space defined by the vacuum adiabatic body to divide the storage space into a plurality of chambers,
wherein the fourth frame is positioned at an outer surface of the partition.

14. The refrigerator according to claim 13 ,
wherein the plurality of chambers include a refrigerating chamber and a freezing chamber, and
wherein the partition includes
an adiabatic member;
a case which surrounds the adiabatic member; and
a cold air flow path which selectively communicates the refrigerating chamber and the freezing chamber with each other.

15. The refrigerator according to claim 13 ,
wherein a conductive resistance sheet is provided at a gap in the first plate formed to face a surface of the partition.

16. A refrigerator comprising:
a main body having a first plate and a second plate, a space between the first plate and the second plate being in a vacuum state;
a door which is moved to close at least a portion of an opening of the main body;
a gasket which is installed on the door or the main body to provide a seal between the door and the main body when the door is positioned to close the opening;
a sealing frame which is positioned to cover ends of at least a one of first plate or the second plate at the opening and to contact the gasket when the door is positioned to close the opening;
a reinforcing frame configured to prevent deformation of the main body; and
a door hinge which connects the main body and the door,
wherein the reinforcing frame is in surface contact with respective surfaces forming corners of the main body and is in surface contact with an end region of at least one of the first plate or the second plate on which the sealing frame is seated, and
wherein the door hinge is coupled to the door and the reinforcing frame.

17. The refrigerator according to claim 16 ,
wherein the reinforcing frame extends a first length from one of the corners and along one of the first plate or the second plate, the reinforcing frame extends a second length along the corner, and the first length is greater than a width of the space in a direction between the first plate and the second plate and is less than the second length.

18. The refrigerator according to claim 16 ,
wherein the reinforcing frame includes a plate that is positioned in the space between the first plate and the second plate, and a length of the plate of the reinforcing frame in a direction between the first plate and the second plate is less than a width of the space in the direction between the first plate and the second plate.

19. The refrigerator according to claim 16 ,
wherein a thickness of a plate included in the reinforcing frame is greater than a thickness of the first plate or the second plate.

20. The refrigerator according to claim 16 ,
wherein the refrigerator further comprises:
a partition which is provided in the main body to partition the storage space into two or more chambers; and
a partition frame which has one or more plates to couple the partition to the reinforcing frame.

Assignees

• Lg Electronics Inc

Inventors

• Kim Daewoong
• Kim Bongjin

Classifications

• F25D23/028

  Details · CPC title

• F25D23/061

  with conduit means · CPC title

• F25D2201/14

  using subatmospheric pressure · CPC title

• F25D2323/024

  Door hinges · CPC title

• F25D23/062 Primary

  defining a cabinet · CPC title