CROSS-REFERENCE TO RELATED APPLICATIONS

This application is based on and claims priority under 35 U.S.C. § 119 to Korean Patent Application No. 10-2018-0091839, filed on Aug. 7, 2018 in the Korean Intellectual Property Office, the disclosure of which is incorporated by reference herein in its entirety.

BACKGROUND

1. Field

The disclosure relates to a dish washer, and more particularly, to a dish washer with an improved rack assembly structure.

2. Description of the Related Art

A dish washer is a machine that automatically washes off food residues remaining on dishes with a detergent and water.

The dish washer includes a main body, a tub positioned in the inside of the main body, an accommodating container positioned in the inside of the tub and accommodating dishes, and a spray unit for spraying water towards the accommodating container.

The accommodating container includes a basket in which dishes of relatively large volumes are accommodated, and a rack assembly in which dishes of relatively small volumes, such as cutlery, are accommodated.

The accommodating container includes moving elements for taking the accommodating container out of the tub. The moving elements include rollers rolling along guide rails installed on the tub.

In general, the accommodating container applies a large load to the rollers due to its own weight and the weight of dishes accommodated therein. When the rollers deteriorate due to the repeated applications of load, the rollers may be broken or deformed, which causes a user's inconvenience in using the dish accommodating assembly.

SUMMARY

Therefore, it is an aspect of the disclosure to provide a dish washer with an improved structure to enable a user to easily take/put an accommodating container out of/into a tub.

It is an aspect of the disclosure to provide a dish washer capable of efficiently supporting a load of an accommodating container.

It is an aspect of the disclosure to provide a dish washer capable of improving spatial efficiency.

It is an aspect of the disclosure to provide a dish washer having an accommodating container with improved durability.

Additional aspects of the disclosure will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the disclosure.

In accordance with an aspect of the disclosure, a dish washer includes: a main body; a tub positioned in the inside of the main body, wherein an object that is to be washed is washed in the tub; and an accommodating container positioned in the inside of the tub and accommodating the object that is to be washed, wherein the accommodating container includes: a loading frame including a loader on which the object that is to be washed is placed; a roller frame extending from the loading frame and configured to form an arrangement space together with the loading frame; and a shaft supporting a roller configured to move the loading frame such that the roller is rotatable in the arrangement space, wherein a first end and a second end of the shaft are respectively supported on the loading frame and the roller frame, the second end being opposite to the first end.

The roller frame may include: a support frame on which the second end of the shaft is supported; and an extension frame connecting the support frame to the loading frame.

The extension frame may be spaced from the shaft in a direction in which the accommodating container is taken out of or put into the tub.

The extension frame may be inclined towards the second end of the shaft from the loading frame.

The extension frame may connect both sides of the support frame with the loading frame, and the arrangement space may be defined by the extension frame, the support frame, and the loading frame.

The arrangement space may open vertically toward the tub.

The shaft may include a catching groove formed concavely in the outer surface, and the accommodating container may include a catching protrusion inserted in the catching groove and configured to limit axial movements of the shaft.

The loading frame may include a first insertion hole in which the first end of the shaft is inserted, and the support frame may include a second insertion hole in which the second end of the shaft is inserted.

The catching protrusion may be adjacent to at least one of the first insertion hole or the second insertion hole.

The first end and the second end of the shaft may be respectively fixed at the loading frame and the roller frame.

The loading frame and the roller frame may be injection-molded into one body.

The loading frame may include: a first support surface supporting an upper surface of the first end of the shaft; and a second support surface supporting a lower surface of the first end of the shaft and positioned closer to the second end of the shaft than the first support surface.

The loading frame may further include: an insertion hole in which one end of the shaft is inserted; and a guide surface formed at both sides of the second support surface and configured to guide the shaft to be inserted into the insertion hole.

The dish washer may further include a guide rail on which the roller is movable, wherein the roller may include: an upper roller positioned on the guide rail; and a lower roller positioned under the guide rail and located behind the upper roller.

Both sides of the roller may face an inner surface of the loading frame and an inner surface of the support frame, respectively, in an axial direction of the shaft.

The roller frame may protrude in a direction that is perpendicular to a moving direction of the loading frame.

In accordance with an aspect of the disclosure, a dish washer includes: a main body; a tub positioned in the inside of the main body, wherein an object that is to be washed is washed in the tub; and an accommodating container positioned in the inside of the tub, and accommodating the object that is to be washed, wherein the accommodating container may include: a loading frame including a loader on which the object that is to be washed is accommodated; a roller configured to be rotatable and to take the loading frame out of the tub; a shaft rotatably supporting the roller, wherein a first end of the shaft is supported on the loading frame; and a roller frame extending from the loading frame to form an arrangement space in which the roller and the shaft are arranged, and supporting a second end of the shaft, the second end being opposite to the first end.

The arrangement space may open from above and below toward the tub.

In accordance with an aspect of the disclosure, a dish washer includes: a main body; a tub positioned in the inside of the main body, wherein an object that is to be washed is washed in the tub; an accommodating container positioned in the inside of the tub and accommodating the object that is to be washed; a loading frame forming an accommodating space; a roller frame extending from the loading frame and forming an arrangement space together with the loading frame, wherein a roller configured to move the accommodating container is arranged in the arrangement space; and a shaft rotatably supporting the roller; wherein a first end and a second end of the shaft are respectively supported on the loading frame and the roller frame, the second end being opposite to the first end, wherein the roller frame includes: a support frame on which the second end of the shaft is supported; and an extension frame connecting the support frame with the loading frame, wherein the arrangement space opens vertically.

