A spray arm mechanism for a dishwasher

By adding a support spray arm to the dishwasher spray arm and utilizing the design of the outer and inner fixed deflectors, the support spray arm reciprocates during the rotation of the main spray arm, increasing the spray angle and solving the problems of spray dead angles and incomplete cleaning, thus achieving a more efficient dishwashing effect.

CN224420958UActive Publication Date: 2026-06-30GUANGDONG JIENUO HOUSEHOLD APPLIANCES CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG JIENUO HOUSEHOLD APPLIANCES CO LTD
Filing Date
2025-07-08
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing dishwashers often have problems with spray blind spots and incomplete cleaning when washing dishes, and extending the washing time or adding spray arms will increase costs.

Method used

A support spray arm is added to the main spray arm. Through the design of the outer and inner fixed parts, the support spray arm can reciprocate during the rotation of the main spray arm, increasing the spray angle and realizing multi-angle spraying by using the rotating nozzle.

Benefits of technology

It effectively solves the problem of blind spots in the spraying process, improves the thoroughness of tableware cleaning, and avoids prolonged cleaning time and increased costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224420958U_ABST
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Abstract

This utility model relates to a spray arm mechanism for a dishwasher, comprising a spray arm base, a main spray arm, and one or more auxiliary spray arms. The main spray arm is rotatably connected to the spray arm base, and the auxiliary spray arms are rotatably connected to the main spray arm and communicate with the water passage inside the main spray arm. The auxiliary spray arms have outer deflectors and return deflectors on both sides. The spray arm base has an outer fixed deflector and an inner fixed deflector. The outer fixed deflector can strike the outer deflector to rotate the auxiliary spray arm outward, and the inner fixed deflector can strike the return deflector to rotate the auxiliary spray arm inward. This spray arm mechanism adds auxiliary spray arms to the main spray arm for spraying. The auxiliary arms can reciprocate during the rotation of the main spray arm to spray, increasing the spray angle and solving the problem of spray dead angles caused by the placement of tableware.
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