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CN-121987114-A - Spray arm of dish washing machine, cleaning method of spray arm and dish washing machine

CN121987114ACN 121987114 ACN121987114 ACN 121987114ACN-121987114-A

Abstract

The invention discloses a spray arm of a dish washer, a cleaning method thereof and the dish washer, wherein the spray arm of the dish washer comprises a plurality of spray holes and spray cavities; the cleaning assembly is arranged in the spraying cavity and is used for cleaning the blockage in the spraying hole. The dishwasher is provided with the spray arm, and by the cleaning method, when the spray holes on the spray arm are found to be cleaned, the spray arm is cleaned in time, so that the problem of blockage of the spray holes is avoided, the cleaning efficiency and effect are improved, the spray arm can spray water more uniformly, and the cleaning efficiency of the dishwasher for cleaning tableware is improved.

Inventors

  • XU YAN
  • YANG LIN
  • SONG JUN

Assignees

  • 青岛海尔洗碗机有限公司
  • 青岛海尔洗衣机有限公司

Dates

Publication Date
20260508
Application Date
20241029

Claims (10)

  1. 1. A spray arm of a dish-washing machine is characterized in that, Comprises a plurality of spray holes (100) and a spray cavity (200); And the cleaning assembly (300) is arranged in the spraying cavity (200) and is used for cleaning the blockage in the spraying hole (100).
  2. 2. The spray arm of a dishwasher of claim 1, wherein, The cleaning assembly (300) reciprocates in the spraying cavity (200) to clean the spraying holes (100).
  3. 3. The dishwasher spray arm of claim 2, further comprising: The cleaning assembly (300) comprises a power supply part, and the cleaning assembly (300) moves towards the direction of the spraying holes (100) or moves away from the spraying holes (100) under the action of the power supply part.
  4. 4. The spray arm of a dishwasher of claim 3, wherein, The power supply part comprises water inlet pressure, and the cleaning assembly (300) moves along the direction of spraying water from the spraying holes (100) under the action of the water inlet pressure; and the cleaning assembly (300) is reset under the action of the reset spring (312).
  5. 5. The spray arm of a dishwasher of any one of claims 1-4, A mounting cavity (210) is arranged in the spraying cavity (200), and the cleaning assembly (300) is arranged in the mounting cavity (210); The cleaning assembly (300) reciprocates in the mounting cavity (210) to clean the spray holes (100).
  6. 6. The spray arm of a dishwasher of claim 5, wherein, A cleaning waterway is formed in the mounting cavity (210), and water pressure formed by water entering the cleaning waterway provides power for the cleaning assembly (300) to move along the water spraying direction of the spraying holes (100); And a spraying waterway is formed in the spraying cavity (200) outside the mounting cavity (210), is arranged in parallel with the cleaning waterway, and water entering the spraying waterway is used for realizing normal spraying of the spray arm.
  7. 7. The spray arm of a dishwasher of claim 6, wherein, The water path switching unit (400) is arranged at the communication part of the spray water path and the spray arm water inlet water path and is used for switching the water path of spray water entering the spray arm.
  8. 8. A method for cleaning a spray arm of a dishwasher according to any one of claims 1 to 7, comprising the steps of, S10, monitoring the spraying state of a spraying arm; s20, judging that spray holes of the spray arm are blocked, and determining that the spray holes need to be cleaned; s30, controlling the cleaning assembly to clean the spraying holes.
  9. 9. The method of cleaning a spray arm of a dishwasher of claim 8, In S20, determining that the spray holes of the spray arm are blocked includes the steps of: S21, acquiring water inlet pressure or water inlet flow of a spray arm; s22, determining that the spray holes need to be cleaned if the water inlet pressure or the water inlet flow rate does not reach the preset value.
  10. 10. A dishwasher, characterized in that a dishwasher spray arm according to any one of the preceding claims 1-7 is installed or a method of cleaning a dishwasher spray arm according to any one of the claims 8-9 is used.

Description

Spray arm of dish washing machine, cleaning method of spray arm and dish washing machine Technical Field The invention belongs to the field of dish washers, and particularly relates to a spray arm of a dish washer, a cleaning method of the spray arm and the dish washer. Background A dishwasher is a device for automatically washing dishes such as bowls, chopsticks, dishes, knives, forks, etc. Nowadays, small-sized dish washers gradually enter ordinary families, and convenience is brought to the ordinary families. The spray arm is an important accessory of the dish washer, and the spray opening of the spray arm of the dish washer is in a fixed caliber, so that the spray opening is blocked after long-time use, and the phenomenon that washing spray is not smooth or the spray arm does not rotate is caused. The chinese patent application number 202321833498.0 discloses a dish washer spray arm, including the shell, be provided with a plurality of shower nozzles on the shell, still including set up in the clearance subassembly of shell bottom, clearance subassembly be suitable for when the shower nozzle blocks up laminate in the inner wall of shower nozzle is ejecting, in order to push out remain in the plug of shower nozzle. The cleaning assembly comprises a cleaning part and a movable part, wherein the cleaning part is arranged at the bottom of the shell in a sliding manner up and down, the movable part stretches out of the bottom of the shell, and when the movable part moves upwards, the cleaning part moves upwards along with the movable part so as to discharge a blockage. The cleaning component of this technical scheme is equipped with ejection mechanism alone to need drive ejection mechanism extension to act on movable part, in order to reach the purpose of cleaning the shower nozzle, need realize with the help of external force, increased the complexity of clean process. The present invention has been made in view of this. Disclosure of Invention The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a spray arm of a dish washer, a cleaning method thereof and the dish washer. In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that: In a first aspect of the invention, a spray arm of a dishwasher is provided, comprising a plurality of spray holes and spray chambers; The cleaning assembly is arranged in the spraying cavity and is used for cleaning the blockage in the spraying hole. Further, the cleaning assembly reciprocates in the spraying cavity to clean the spraying holes. Further, the cleaning assembly comprises a power supply part, and the cleaning assembly moves towards the direction approaching to the spraying holes or moves away from the spraying holes under the action of the power supply part. Further, the power supply part comprises water inlet pressure, and the cleaning component moves along the direction of spraying water from the spraying hole under the action of the water inlet pressure; And the cleaning assembly is reset under the action of the reset spring. Further, an installation cavity is arranged in the spraying cavity, and the cleaning component is arranged in the installation cavity; the cleaning component reciprocates in the mounting cavity to clean the spraying holes. Further, a cleaning waterway is formed in the mounting cavity, and water pressure formed by water entering the cleaning waterway provides power for the cleaning assembly to move along the water spraying direction of the spraying hole; The spray cavity is positioned outside the installation cavity, a spray waterway is formed in the spray cavity and is arranged in parallel with the cleaning waterway, and water entering the spray waterway is used for realizing normal spraying of the spray arm. Furthermore, a waterway switching unit is arranged at the communication part of the spray waterway and the spray arm water inlet waterway and is used for switching waterways of spray water entering the spray arm. In a second aspect of the present invention, there is provided a cleaning method applied to the spray arm of the above-mentioned dishwasher, comprising the steps of: S10, monitoring the spraying state of a spraying arm; s20, judging that spray holes of the spray arm are blocked, and determining that the spray holes need to be cleaned; s30, controlling the cleaning assembly to clean the spraying holes. Optionally, in step S20, it is determined that the spray holes of the spray arm are blocked, including the following steps: S21, acquiring water inlet pressure or water inlet flow of a spray arm; s22, determining that the spray holes need to be cleaned if the water inlet pressure or the water inlet flow rate does not reach the preset value. Optionally, in step S20, if it is determined that the spray holes of the spray arm are not blocked, the waterway switching unit is controlled to close the cleaning waterway, and only the s