Oscillating spray device and lawn mower self-cleaning base station

By using a simple linkage mechanism consisting of an eccentric transmission component and a swinging connecting rod in the swinging spray device, the complex structure and unstable transmission of the rotating spray arm in the self-cleaning base station of the lawnmower are solved, thereby achieving an expanded cleaning range and uniform cleaning, as well as a compact structure and low noise cleaning effect.

CN122397465APending Publication Date: 2026-07-17QINGTING INTELLIGENT TECHNOLOGY (SUZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
QINGTING INTELLIGENT TECHNOLOGY (SUZHOU) CO LTD
Filing Date
2026-05-21
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing self-cleaning base station for lawnmowers has a complex drive mechanism for the rotating spray arm, which occupies a large space and has unstable transmission, affecting the cleaning effect and equipment life.

Method used

The swing spray device uses a simple linkage mechanism consisting of an eccentric transmission component and a swing linkage to convert the rotational motion of the drive motor into the reciprocating swing of the nozzle. The linkage mechanism enables multiple nozzles to swing synchronously, simplifying the structure and ensuring uniform cleaning.

Benefits of technology

It achieves expanded cleaning range, uniform cleaning and consistent coverage, has a compact structure, occupies little space, reduces noise, and solves the complexity and instability problems of rotating spray arms in existing technologies.

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Abstract

The application discloses a swing spraying device and a lawn mower self-cleaning base station. The swing spraying device comprises a frame body, a driving motor, an eccentric transmission part, a swing connecting rod and a linkage spray pipe assembly. The driving motor is arranged on the frame body. The eccentric transmission part is connected with an output shaft of the driving motor, and is provided with a rotary connection part which is offset from the rotation center of the eccentric transmission part. The linkage spray pipe assembly comprises a plurality of spray pipes and a linkage mechanism connected with the plurality of spray pipes to make the plurality of spray pipes move synchronously. The spray pipes are movably arranged on the frame body and are provided with a plurality of spraying openings. One end of the swing connecting rod is rotatably connected with the rotary connection part, and the other end is connected with the linkage mechanism. The motor rotary motion is directly converted into reciprocating swing through the eccentric transmission part and the swing connecting rod, so that the structure is compact and has no quick return characteristic. The linkage mechanism is used for realizing synchronous and uniform cleaning of the plurality of spray pipes, and the problems of complex structure and unstable transmission of the existing driving mode are solved.
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