Cleaning device with rotary nozzle for spraying cleaning liquid

By using plastic planetary gears made of polyetheretherketone instead of traditional ceramic pins, the shortcomings of existing cleaning devices in reducing friction and wear are solved, resulting in lower production costs and a more compact design.

CN119343185APending Publication Date: 2025-01-21AQUADUNA GMBH & CO KG
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Patent Information

Application Number
CN202380046049.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2022-06-10
Filing Date
2023-06-07
Publication Date
2025-01-21

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Abstract

Disclosed is a cleaning device having a housing tube (1) for connecting a liquid line, a rotor (15) mounted within the housing tube (1) and driven in operation by a cleaning liquid flowing through the housing tube (1), a planetary gear mechanism (4) connected to the rotor (15), a spray head (6) connected to one end of the housing tube (1), and a nozzle carrier (7), the spray head (6) can be driven by the planetary gear mechanism (4) to rotationally move relative to the shell pipe (1), and the spray nozzle bracket (7) is rotationally and movably installed on the spray head (6) and carries a plurality of spray nozzles (8) used for spraying cleaning liquid. According to the invention, the planetary gear mechanism (4) has a plurality of planetary gears (41) made of plastic, each of which is integrally formed with a pin (42).
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Citation Information

Patent Citations

  • Rotary impingement cleaning apparatus with replaceable cartridge gear train

    EP3065876B1