Enhanced magnetic drive pump bearing supporting assembly
By introducing rolling bearings and impurity-blocking rings into the magnetic pump, and using sealing shaft rings and filter rings to block impurities, the problem of sliding bearing wear is solved and the wear resistance and service life of the magnetic pump bearing support components are improved.
Patent Information
- Application Number
- CN202422958048.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The sliding bearings of existing magnetic pumps are easily infiltrated by impurities in the conveying liquid, causing the bearings to wear and damage.
The rolling bearing and impurity-blocking ring design is adopted to guide the liquid and impurities to the impurity collecting chamber through the sealing shaft ring, and the filter ring net is used to block the impurities to prevent them from entering the rolling bearing and bearing position.
It effectively prevents impurities in the liquid being transported in the pump from entering the bearings of the magnetic pump, slowing down wear, enhancing wear resistance and extending service life.
Smart Images

Figure CN223411084U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of magnetic pump bearing support components, in particular to an enhanced magnetic pump bearing support component. Background Art
[0002] A magnetic pump is a pump that uses magnetic transmission to transport liquids. It is mainly composed of a pump head, a magnetic transmission, an electric motor and a base. The bearings of a magnetic pump are usually composed of sliding bearings and thrust bearings. They support and axially limit the rotor components composed of the impeller, pump shaft and internal magnetic rotor, ensuring the normal operation of the pump. However, the sliding bearings supported on the pump shaft of existing magnetic pumps are easily infiltrated by impurities in the transported liquid, causing wear and damage to the bearings. Utility Model Content
[0003] In order to overcome the defects of the existing technology, an enhanced magnetic pump bearing support assembly is now provided to solve the problem that the sliding bearing supported on the pump shaft of the existing magnetic pump is easily infiltrated by impurities in the conveying liquid, causing wear and damage to the bearing position.
[0004] To achieve the above object, an enhanced magnetic pump bearing support assembly is provided, comprising: a rolling bearing and a magnetic pump shaft body, wherein the magnetic pump shaft body is sleeved on the inner side of the rolling bearing.
[0005] The front side of the rolling bearing is connected with a debris-blocking ring through a connecting outer ring, the front end surface of the debris-blocking ring is bonded with a sealing shaft ring, the inner side of the debris-blocking ring is provided with a debris-collecting cavity, the rear cavity surface of the debris-collecting cavity is fitted with the front surface of the rolling bearing through a wear-resistant pad, the front surface of the wear-resistant pad is fixed with a filter ring net, and the inner side surface of the debris-blocking ring is screwed with a positioning arc block through a fixing stud.
[0006] Furthermore, a bearing seat is provided on the outer end surface of the rolling bearing, and a fixing hole is opened on the surface of the bearing seat; and the bearing seat is screwed and fixed to the magnetic pump housing.
[0007] Furthermore, the inner side of the rolling bearing is connected to the magnetic pump shaft through the bearing inner ring, and the front end of the bearing inner ring is symmetrically welded with a positioning arc block.
[0008] Furthermore, the cross-section of the outer end of the sealing shaft ring is in the shape of an inclined plane; and the inner side of the sealing shaft ring passes through and is in close contact with the shaft body of the magnetic pump.
[0009] Furthermore, the impurity collecting cavity is distributed in a circular ring shape in the middle of the impurity-blocking ring; and the upper and lower ends of the impurity collecting cavity are convex, and a support plate is fixed to the front wall of the impurity collecting cavity.
[0010] Furthermore, the filter ring net is in a forward-convex ring shape and is located in the impurity collecting cavity, and the impurity-blocking ring is plugged into and positioned with the rolling bearing through a positioning arc block.
[0011] Furthermore, a connecting outer ring is welded on the surface of the outer ring of the rolling bearing, and a fixing stud is screwed on the inner arc surface of the positioning arc block.
[0012] The beneficial effect of the present invention is that the enhanced magnetic pump bearing support assembly of the present invention utilizes a debris-blocking ring and a sealing shaft ring to be sleeved on the side of the rolling bearing of the magnetic pump, and the sealing shaft ring is used to flow the liquid and impurities on the magnetic pump shaft body to the debris collecting cavity of the debris-blocking ring, so that the filter ring network in the debris collecting cavity blocks impurities in the water from entering the rolling bearing and the bearing position, effectively preventing impurities in the liquid transported in the pump from entering the bearing position of the magnetic pump, slowing down the wear of the magnetic pump bearing support assembly, facilitating the enhancement of the wear resistance of the magnetic pump bearing support assembly, and improving the service life of the magnetic pump bearing support assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a front structural schematic diagram of the enhanced magnetic pump bearing support assembly according to an embodiment of the present utility model.
[0014] Figure 2 This is a front view structural schematic diagram of a rolling bearing according to an embodiment of the present utility model.
[0015] Figure 3 This is a schematic diagram of a side view of a partial cross-section of the connection structure of a rolling bearing and a blocking ring according to an embodiment of the utility model.
[0016] Figure 4 This is a schematic diagram of the partial cross-sectional structure of the impeding ring according to an embodiment of the present utility model.
[0017] In the figure: 1. Rolling bearing; 11. Bearing inner ring; 12. Connecting outer ring; 13. Positioning arc block; 2. Bearing seat; 3. Magnetic pump shaft; 4. Sealing shaft ring; 5. Debris-blocking ring; 51. Filter ring net; 52. Support plate; 53. Fixing stud; 54. Debris-blocking cavity; 55. Wear-resistant pad. DETAILED DESCRIPTION
[0018] Reference Figures 1 to 4 As shown, the utility model provides an enhanced magnetic pump bearing support assembly, comprising: a rolling bearing 1 and a magnetic pump shaft 3, wherein the magnetic pump shaft 3 is sleeved on the inner side of the rolling bearing 1.
[0019] The front side of the rolling bearing 1 is connected with a debris-blocking ring 5 through the connecting outer ring 12, the front end face of the debris-blocking ring 5 is bonded with a sealing shaft ring 4, the inner side of the debris-blocking ring 5 is provided with a debris-collecting cavity 54, the rear cavity surface of the debris-collecting cavity 54 is fitted with the front surface of the rolling bearing 1 through a wear-resistant pad 55, the front surface of the wear-resistant pad 55 is fixed with a filter ring net 51, and the inner side surface of the debris-blocking ring 5 is screwed with a positioning arc block 13 through a fixing stud 53.
[0020] The rolling bearing 1 on the surface of the magnetic pump shaft 3 is sleeved with a debris-blocking ring 5 and a sealing shaft ring 4. The liquid and impurities on the magnetic pump shaft 3 flow to the debris-collecting cavity 54 of the debris-blocking ring 5 through the sealing shaft ring 4, so that the filter ring net 51 in the debris-collecting cavity 54 blocks impurities in the water from entering the rolling bearing 1 and the bearing position, effectively preventing impurities in the liquid transported in the pump from entering the bearing position of the magnetic pump, slowing down the wear of the magnetic pump bearing support assembly, facilitating the enhancement of the wear resistance of the magnetic pump bearing support assembly, and improving the service life of the magnetic pump bearing support assembly.
[0021] In this embodiment, a bearing seat 2 is provided on the outer end surface of the rolling bearing 1 , and a fixing hole is opened on the surface of the bearing seat 2 ; and the bearing seat 2 is screwed and fixed to the housing of the magnetic pump.
[0022] As a preferred embodiment, the rolling bearing 1 is installed on the magnetic pump shaft 3 of the bearing seat 2 through the bearing seat 2 to support and bear the magnetic pump shaft 3.
[0023] In this embodiment, the inner side of the rolling bearing 1 is connected to the magnetic pump shaft 3 via the bearing inner ring 11. A positioning arc block 13 is symmetrically welded to the front end of the bearing inner ring 11. A connecting outer ring 12 is welded to the outer ring surface of the rolling bearing 1, and a fixing stud 53 is screwed to the inner arc surface of the positioning arc block 13.
[0024] As a preferred embodiment, the impeding ring 5 is connected to the bearing inner ring 11 via a positioning arc block 13, which facilitates the impeding ring 5 to rotate with the rotation of the magnetic pump shaft 3 and the bearing inner ring 11. The fixing stud 53 is used to position and install the impeding ring 5 and the bearing inner ring 11.
[0025] In this embodiment, the cross-section of the outer end of the sealing shaft ring 4 is in the shape of an inclined surface; and the magnetic pump shaft 3 penetrates and tightly contacts the inner side of the sealing shaft ring 4 .
[0026] As a preferred embodiment, the beveled sealing collar 4 plays a role of guiding the flow, thereby preventing impurities in the conveyed liquid from entering the gap of the magnetic pump shaft 3 inside the sealing collar 4 .
[0027] In this embodiment, a debris collection chamber 54 is annular and located in the middle of the debris-blocking ring 5. The upper and lower ends of the debris collection chamber 54 are convex, and a support plate 52 is fixed to the front wall of the debris collection chamber 54. The filter ring 51 is annular and convex and located within the debris collection chamber 54. The debris-blocking ring 5 is plugged into and positioned with the rolling bearing 1 via a positioning block 13.
[0028] As a preferred embodiment, the impurity collecting chamber 54 is used to receive and block the conveyed liquid and impurities in the liquid, prevent the impurities from entering the bearing position of the rolling bearing 1 along the magnetic pump shaft 3, reduce the wear of the magnetic pump bearing support assembly, and facilitate enhancing the wear resistance of the magnetic pump bearing support assembly.
[0029] The enhanced magnetic pump bearing support assembly of the utility model can effectively solve the problem that the sliding bearing supported on the pump shaft of the existing magnetic pump is easily penetrated by impurities in the conveying liquid, causing the bearing position to wear and damage. It effectively prevents impurities in the conveying liquid in the pump from entering the bearing position of the magnetic pump, slows down the wear of the magnetic pump bearing support assembly, facilitates enhancing the wear resistance of the magnetic pump bearing support assembly, and improves the service life of the magnetic pump bearing support assembly. It is suitable for the enhanced magnetic pump bearing support assembly.
Claims
1. An enhanced magnetic pump bearing support assembly, comprising: A rolling bearing (1) and a magnetic pump shaft (3), wherein the magnetic pump shaft (3) is sleeved on the inner side of the rolling bearing (1), and is characterized in that: The front side of the rolling bearing (1) is sleeved with a debris-blocking ring (5) via a connecting outer ring (12); a sealing shaft ring (4) is bonded to the front end surface of the debris-blocking ring (5); a debris-collecting cavity (54) is provided on the inner side of the debris-blocking ring (5); a rear cavity surface of the debris-collecting cavity (54) is fitted to the front surface of the rolling bearing (1) via a wear-resistant pad (55); a filter ring net (51) is fixed to the front surface of the wear-resistant pad (55); and a positioning arc block (13) is screwed to the inner side surface of the debris-blocking ring (5) via a fixing stud (53).
2. The enhanced magnetic pump bearing support assembly according to claim 1, characterized in that: The outer end surface of the rolling bearing (1) is provided with a bearing seat (2), and a fixing hole is opened on the surface of the bearing seat (2); and the bearing seat (2) is screwed and fixed to the housing of the magnetic pump.
3. The enhanced magnetic pump bearing support assembly according to claim 1, characterized in that: The inner side of the rolling bearing (1) is connected to the magnetic pump shaft (3) via a bearing inner ring (11), and a positioning arc block (13) is symmetrically welded to the front end surface of the bearing inner ring (11).
4. The enhanced magnetic pump bearing support assembly according to claim 1, characterized in that: The outer end cross-section of the sealing shaft ring (4) is in the shape of an inclined plane; and the inner side of the sealing shaft ring (4) is penetrated by the magnetic pump shaft body (3) in close contact therewith.
5. The enhanced magnetic pump bearing support assembly according to claim 1, characterized in that: The impurity collecting cavity (54) is distributed in a circular ring shape in the middle of the impurity blocking ring (5); the upper and lower ends of the impurity collecting cavity (54) are convex, and a support plate (52) is fixed to the front wall of the impurity collecting cavity (54).
6. The enhanced magnetic pump bearing support assembly according to claim 1, characterized in that: The filter ring net (51) is in a forward-convex ring shape and is located in the impurity collecting cavity (54). The impurity blocking ring member (5) is plugged and positioned with the rolling bearing (1) via a positioning arc block (13).
7. The enhanced magnetic pump bearing support assembly according to claim 1, characterized in that: A connecting outer ring (12) is welded to the outer ring surface of the rolling bearing (1), and a fixing stud (53) is screwed to the inner arc surface of the positioning arc block (13).