Dishwasher

Abstract

A dish washer is provided. The dish washer includes a washing bath in which a dish is received, a sump for storing washing water supplied into the washing bath, and a washing pump disposed in the sump to generate a suction force for circulating the washing water. The washing pump includes a washing motor for generating a driving force, an impeller disposed under the washing motor, the impeller being rotatable by the driving force, and a heating space disposed under the impeller to define a space in which the washing water is heated by a heater.

What is claimed is: 
     
         1 . A dish washer comprising:
 a washing bath defining a washing space; and   a rack device disposed in the washing bath to receive a dish,   wherein the rack device comprises:   a receiving frame defining a receiving space;   a plurality of support parts extending upward from a lower portion of the receiving frame, the plurality of support parts being rotatably disposed;   a plurality of rotational central portions providing a rotation center with respect to the plurality of support parts; and   an accumulation part accumulating the plurality of rotational central portions together,   wherein the plurality of support parts comprise a plurality of extension parts supporting the dish and spaced with distances different from each other.   
     
     
         2 . The dish washer according to  claim 1 , wherein the receiving space is partitioned into a plurality of receiving parts for receiving dishes having sizes different from each other. 
     
     
         3 . The dish washer according to  claim 2 , wherein the plurality of receiving parts are disposed on both sides of the accumulation part, respectively. 
     
     
         4 . The dish washer according to  claim 1 , wherein the accumulation part comprises:
 a first accumulation part coupled to the plurality of rotational central portions constituting a first row; and   a second accumulation part coupled to the plurality of rotational central portions constituting a second row.   
     
     
         5 . The dish washer according to  claim 1 , wherein the plurality of support part comprises:
 a first support part having first support extension parts disposed with one distance; and   a second support part having second support extension parts disposed with the other distance.   
     
     
         6 . The dish washer according to  claim 5 , wherein the first support extension parts are disposed between the second support extension parts to partition the other distance. 
     
     
         7 . The dish washer according to  claim 5 , wherein the other distance is greater than the one distance. 
     
     
         8 . The dish washer according to  claim 6 , wherein the receiving space comprises:
 a first receiving part in which a container having a width corresponding to the one distance is received;   a second receiving part in which a container having a width corresponding to the other distance is received; and   a third receiving part in which a container having a width corresponding to the other distance partitioned by the first support extension parts.   
     
     
         9 . The dish washer according to  claim 5 , wherein the plurality of rotational central portions comprise:
 a first rotation central portion coupled to the first support part; and   a second rotation central portion coupled to the second support part,   wherein the first rotational central portion and the second rotational central portion are independently rotated with respect to each other.   
     
     
         10 . The dish washer according to  claim 9 , wherein the first and second rotational central portions are parallelly disposed adjacent to each other. 
     
     
         11 . The dish washer according to  claim 9 , wherein the first or second rotational central portion is rotatable in a clockwise or counter-clockwise direction. 
     
     
         12 . The dish washer according to  claim 9 , wherein a dish receivable in case where at least one of the first and second support parts is disposed on a first position has a width less than that of a dish receivable in case where the at least one support is disposed on a second position. 
     
     
         13 . The dish washer according to  claim 12 , wherein the first position is a position at which the at least one support part stands up, and the second position is a position at which the at least one support part is folded. 
     
     
         14 . The dish washer according to  claim 1 , wherein the plurality of rotational central portions comprise:
 a second rotational central portion; and   a first rotational central portion inserted into the second rotational central portion.   
     
     
         15 . The dish washer according to  claim 14 , wherein the second rotational central portion has a guide hole for guiding rotation of the first rotational central portion. 
     
     
         16 . A dish washer comprising:
 a washing bath defining a washing space;   a receiving frame disposed within the washing bath to provide a dish seat part; and   a support part assembly coupled to the receiving frame to support a seated dish,   wherein the support part assembly comprises:   a first support part comprising a plurality of one extension parts disposed with a first distance;   a second support part comprising a plurality of the other extension parts disposed with a second distance; and   a plurality of rotational central portions providing rotation centers of the first and second support parts,   wherein the first and second support part are rotated to define dish receiving spaces having sizes different from each other.   
     
     
         17 . The dish washer according to  claim 16 , wherein each of the first and second support parts is provided in at least two, and
 the two first and second support parts support one side and the other side of the dish.   
     
     
         18 . The dish washer according to  claim 16 , wherein the first or second support part stands up or is folded with respect to the receiving frame. 
     
     
         19 . The dish washer according to  claim 18 , wherein, when the first and second support parts stand up with respect to the receiving frame, each of the one extension parts partitions a second distance of each of the other extension parts. 
     
     
         20 . The dish washer according to  claim 18 , wherein, when the first and second support parts stand up with respect to the receiving frame, a space in which a dish is received is defined by the first distance. 
     
     
         21 . The dish washer according to  claim 16 , wherein the plurality of rotational central portions extend parallel to each other, and
 when one rotation shaft is rotated, the one rotation shaft does not interfere with the other rotation shaft.   
     
     
         22 . The dish washer according to  claim 16 , further comprising a support coupling part coupled to the plurality of rotational central portions, and
 the dish receiving spaces having the sizes different from each other are partitioned with respect to the support coupling part.   
     
     
         23 . The dish washer according to  claim 22 , wherein the support coupling part is provided in plurality, and
 the plurality of support coupling parts are disposed in a row.