Spray arm assembly and dishwasher having same

Abstract

The invention discloses a spray arm assembly and a dishwasher having the same. The spray arm assembly includes: a rotatable main spray arm, a first chamber is defined in the main spray arm, and a At least one inlet and a plurality of first spray holes communicated with the first chamber; at least one auxiliary spray arm, the at least one auxiliary spray arm is movably arranged on the main spray arm, and the auxiliary spray arm A second chamber that communicates with the first chamber is defined inside, and at least one second spray hole that communicates with the second chamber is provided on the auxiliary spray arm; the driving member is arranged on the The main spray arm is connected with the secondary spray arm to drive the secondary spray arm to move between the extended position and the retracted position, wherein at least one of the second spray holes is separated from the rotation of the main spray arm The minimum distance of the axis is greater than the maximum distance of the first nozzle hole from the rotation axis. The spray arm assembly of the present invention can eliminate the washing dead zone in the inner corner of the dishwasher, and the washing is cleaner.

Description

technical field [0001] The invention belongs to the technical field of dishwashers, in particular to a spray arm assembly and a dishwasher with the spray arm assembly. Background technique [0002] In the related art, the spray arm in the dishwasher usually rotates around the central axis. Since the spray holes on the spray arm are fixed in most cases, the coverage area of ​​the spray arm is circular, and the actual The washing area is close to a square, which leads to washing dead areas in the four corners of the dishwasher. In order to solve the above problems, some sub-rotary arms capable of superimposed rotation are usually added to the spray arm. The main function of the sub-rotary arms is to enhance the washing effect in the washing coverage area. Washing dead zone, its improvement effect is very limited. In addition, if the spray hole or spray arm device is specially added to clean the dead zone in the dishwasher, it will cause higher water consumption, energy consu...

AI Technical Summary

Problems solved by technology

[0002] In the related art, the spray arm in the dishwasher usually rotates around the central axis. Since the spray holes on the spray arm are fixed in most cases, the coverage area of ​​the spray arm is circular, and the actual The washing area is close to a square, which leads to washing dead areas in the four corners of the dishwasher

In order to solve the above problems, some sub-rotary arms capable of superimposed rotation are usually added to the spray arm. The main function of the sub-rotary arms is to enhance the washing effect in the washing coverage area. Washing dead zone, its improvement effect is very limited

In addition, if the spray hole or spray arm device is specially added to clean the dead zone in the dishwasher, it will cause higher water consumption, energy consumption or noise, and also increase the complexity of the dishwasher system structure, increasing the The cost of the dishwasher

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