An impeller clearance adjustment mechanism in a pump
By designing an impeller clearance adjustment mechanism inside the pump and utilizing components such as oil scraper grooves and sealing rings, the problem of turbulent liquid flow caused by the increased clearance between the impeller and the casing was solved, realizing automatic adjustment of the impeller clearance and oil delivery, and improving the pump's working efficiency.
CN224533012UActive Publication Date: 2026-07-21LUJIANG COUNTY SHENGLIN MASCH CO LTD ANHUI PROVINCE
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUJIANG COUNTY SHENGLIN MASCH CO LTD ANHUI PROVINCE
- Filing Date
- 2025-09-25
- Publication Date
- 2026-07-21
Smart Images
Figure CN224533012U_ABST
Abstract
The utility model relates to the field of impeller, especially a pump inner impeller gap adjusting mechanism, including connecting shaft, the one end center of connecting shaft is equipped with sliding slot, and the one end of connecting shaft is equipped with adjusting cavity in sliding slot, the inner wall sliding connection of connecting shaft in sliding slot is equipped with drive shaft, and the outer wall of connecting shaft is equipped with adjusting structure in the one end of adjusting cavity, adjusting structure includes the rotating ring of welding in the one end of adjusting cavity of connecting shaft outer wall, the rotating sleeve ring of rotating connection in rotating ring outer wall, the oil injection pipe of connecting rotating sleeve ring one side outer wall and the oil extraction hole of setting in the center of rotating ring of connecting shaft, the utility model discloses connecting shaft moves in the process on the drive shaft, and the oil scraping ring in the oil scraping groove slides in the outer wall of drive shaft, and the oil liquid adhered on the drive shaft is scraped, prevents oil liquid and is taken out.
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