Silent direct current water pump
CN224693574UActive Publication Date: 2026-08-28深圳市钜泰泵业有限公司
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202521840222.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-28
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-08-28
AI Technical Summary
Technical Problem
[0004]本实用新型要解决的技术问题在于，针对上述直流无刷水泵中轴承无法长期润滑而导致使用一段时间后声音变大的问题，提供一种静音直流水泵
Benefits of technology
[0018]本实用新型具有以下有益效果：通过在泵壳内设置润滑油腔，并在润滑油腔内设置浸有润滑油的吸油棉对第二轴承进行润滑，使得润滑油能够保存较长时间，并对第二轴承进行持续润滑，从而实现水泵的持续降噪。
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224693574U_ABST
Abstract
The utility model provides a kind of mute direct current water pump, including pump shell, impeller, rotor assembly and stator assembly, and the rotor cavity, stator cavity, impeller cavity and lubricating oil cavity are formed in the pump shell;The rotor assembly includes shaft core, rotor main body, first bearing and second bearing, the first bearing and second bearing are respectively installed to the two ends of rotor cavity in axial direction, the shaft core is erected in rotor cavity and impeller cavity by first bearing and second bearing, and the rotor main body and impeller are respectively fixed on shaft core;The lubricating oil cavity is communicated with rotor cavity, the impeller cavity is communicated with rotor cavity, oil absorbing cotton soaked with lubricating oil is installed in the lubricating oil cavity, and when the mute direct current water pump works, the lubricating oil in the oil absorbing cotton flows from lubricating oil cavity into rotor cavity and lubricates second bearing, water in the impeller cavity enters into rotor cavity and lubricates first bearing.The utility model can realize the sustained noise reduction of water pump.
Need to check novelty before this filing date? Find Prior Art