A drain roller brush for a pool robot and a pool robot
By employing tilted brush blades and left-hand and right-hand spiral structures in the roller brush device of the pool robot, the problems of dirt accumulation and cleaning dead corners caused by parallel brush blades are solved, achieving a more efficient cleaning effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU DUOMIT SEALING TECH CO LTD
- Filing Date
- 2025-07-22
- Publication Date
- 2026-06-26
AI Technical Summary
Existing pool robot roller brush devices have problems such as parallel brush blades causing dirt and water to accumulate, limited cleaning coverage, many cleaning dead spots, and insufficient ability to clean stubborn stains.
A drainage roller brush for pool robots is designed, employing multiple inclined brush blades and paired left-hand and right-hand spiral structures, combined with axial guidance, to enhance cleaning effect and efficiency.
It effectively prevents the accumulation of dirt and water, eliminates cleaning dead spots, improves the ability to clean stubborn stains, and enhances cleaning effect and efficiency.
Smart Images

Figure CN224413266U_ABST