泵体装置
By employing a plateless design and a protective wall structure, the vibration problem at the connection between the shaft and the end cap in the pump body is solved, resulting in a more stable, quieter, and smaller pump body suitable for products such as breast pumps.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO XIAOWU BRAND MANAGEMENT CO LTD
- Filing Date
- 2025-06-26
- Publication Date
- 2026-07-17
Smart Images
Figure CN224515350U_ABST
Abstract
Claims
1. A pump body arrangement, characterised in that, include: A pump body, wherein the pump body has an assembly column, and the assembly column has a shaft hole; A coil assembly, wherein the coil assembly is fitted onto the mounting post of the pump body, and the coil assembly is configured to remain stationary relative to the mounting post; A rotor assembly, wherein the rotor assembly includes an end cover, a shaft, and a magnetic ring, the end cover including a top cover and a peripheral wall integrally extending downward from the periphery of the top cover, one end of the shaft being mounted in the middle of the top cover, and the magnetic ring being mounted on the inner side of the peripheral wall; and A bearing, wherein the bearing is fitted into the middle of the shaft and mounted in the shaft hole of the mounting post of the pump body, the other end of the shaft extends through the shaft hole of the mounting post into the interior of the pump body, and the end cap suspends the magnetic ring outside the coil assembly.
2. The pump body device according to claim 1, wherein the coil assembly includes a coil support and a coil wound on the coil support, the coil support having a support through hole, the mounting post of the pump body being inserted into the support through hole of the coil support, the mounting post of the pump body and the coil support being interference-fitted to fit the coil assembly onto the mounting post of the pump body and to configure the coil assembly to remain stationary relative to the mounting post.
3. The pump body device according to claim 2, wherein the pump body device includes a control board, the control board is mounted on the bottom of the coil bracket and the coil is connected to the control board, and the control board is fitted onto the mounting column of the pump body.
4. The pump body device according to claim 2, wherein the pump body device includes a control board, the control board being installed inside the pump body, and the coil being connected to the control board.
5. The pump body assembly according to claim 1, wherein the pump body assembly includes a wear-resistant gasket, the wear-resistant gasket being fitted onto the rotating shaft, and the wear-resistant gasket being located between the top cover and the bearing.
6. The pump body device according to claim 3 or 4, wherein the pump body has a protective wall surrounding the outer side of the peripheral wall of the end cap, the protective wall being higher than the lower edge of the peripheral wall of the end cap, wherein the protective wall has a notch, and the control plate extends from the inner side of the protective wall to the outer side through the notch of the protective wall.
7. The pump body device according to claim 3 or 4, wherein the pump body has a clearance groove for avoiding electronic components on the surface of the control board.