CN221058094U - Scale-proof shielding motor - Google Patents
Scale-proof shielding motor Download PDFInfo
- Publication number
- CN221058094U CN221058094U CN202322860809.9U CN202322860809U CN221058094U CN 221058094 U CN221058094 U CN 221058094U CN 202322860809 U CN202322860809 U CN 202322860809U CN 221058094 U CN221058094 U CN 221058094U
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- China
- Prior art keywords
- rotor
- rotor assembly
- scale
- stirring rod
- rear end
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- 238000003756 stirring Methods 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model belongs to the technical field of motors, in particular to a scale-proof shielding motor, which comprises a shielding sleeve, wherein a rotating shaft and a rotor assembly arranged on the rotating shaft are arranged in the shielding sleeve, an impeller positioned on the front side of the rotor assembly is also arranged on the rotating shaft, the shielding sleeve forms a front cavity on the front side of the rotor assembly and a rear cavity on the rear side of the rotor assembly, the front end of the rotor assembly is provided with a front stirring rod positioned in the front cavity, the rear end of the rotor assembly is provided with a rear stirring rod positioned in the rear cavity, the side wall of the rotor assembly is provided with a spiral transmission device, and the spiral transmission device guides liquid at the rear end of the rotor assembly to the front end of the rotor assembly. The utility model can effectively discharge scale, reduce the influence of the scale on the performance and the running state of the shielding motor, and reduce various quality problems.
Description
Technical field:
The utility model belongs to the technical field of motors, and particularly relates to a scale-proof shielding motor.
The background technology is as follows:
The shielding pump connects the pump and the motor together, the rotor of the motor and the impeller of the pump are fixed on the same shaft, the rotor and the stator of the motor are separated by the shielding sleeve, the rotor operates in the conveyed medium, and the power is transmitted to the rotor through the magnetic field of the stator. The canned motor pump is a sealless pump, both the pump and the drive motor are sealed in a pressure vessel filled with a pumping medium, which is only statically sealed, and a set of electrical wires provides the rotating magnetic field and drives the rotor. This structure eliminates the rotary shaft sealing device of the conventional centrifugal pump, so that no leakage is achieved.
The heat of the motor is taken away by the shielding pump depending on the flow of the liquid, the existing shielding pump basically drives the liquid to flow by the pressure difference of an inlet and an outlet, a large amount of scale can be generated after the shielding pump operates for a long time, the performance and the operation state of the shielding motor are influenced by excessive scale, and various quality problems are caused.
The invention comprises the following steps:
The utility model aims to provide a scale-proof shielding motor which can effectively discharge scale, reduce the influence of the scale on the performance and the running state of the shielding motor and reduce various quality problems.
The utility model is realized in the following way:
The utility model provides a scale-proof canned motor, includes the shield cover, be equipped with the pivot in the shield cover and set up at epaxial rotor subassembly, still be equipped with the impeller that is located rotor subassembly front side in the pivot, the shield cover forms preceding cavity, forms the back cavity at rotor subassembly rear side in rotor subassembly front side, rotor subassembly front end is equipped with the preceding pole that stirs in the preceding cavity, the back that stirs after the rear end is equipped with and is located the back cavity, be equipped with screw drive device on rotor subassembly's the lateral wall, screw drive device is with the liquid direction rotor subassembly front end of rotor subassembly rear end.
In the above-mentioned waterproof canned motor, the rotor subassembly includes rotor and the rotor cover of suit outside the rotor, the rotor both ends are equipped with front end housing and rear end housing respectively, preceding stirring pole setting is on the front end housing, and the back stirring pole setting is on the rear end housing, screw drive sets up on the rotor cover.
In the above-mentioned scale-preventing shielding motor, the front stirring rod and the rear stirring rod are rectangular, and the length direction of the rectangular is parallel to the axial direction of the rotor.
In the shielding motor capable of preventing scale at all times, the front stirring rod is fixed on the front end cover through welding; the rear stirring rod is fixed on the rear end cover by welding.
In the above scale-proof shielding motor, the front stirring rod is arranged on the front end face of the front end cover and is provided with more than two; the rear stirring rod is arranged on the rear end face of the rear end cover and is provided with more than two.
In the above-mentioned scale-preventing canned motor, the screw driving device is a spiral bump provided on the rotor sleeve.
In the above-mentioned shield motor which is always scale-proof, the cross section of the spiral protruding block is rectangular.
In the above-mentioned scale-proof canned motor, the spiral protruding block is welded on the rotor sleeve.
In the above scale-proof shielding motor, a bushing sleeved on the rotating shaft is arranged between the rotor and the rotating shaft, and the front end of the bushing is connected with the front end cover, and the rear end of the bushing is connected with the rear end cover.
In the above-mentioned shield motor that prevents incrustation scale always, front end housing, bush, rear end housing are integrated into an integral structure.
Compared with the prior art, the utility model has the outstanding advantages that:
1. According to the utility model, the front stirring rod is used for stirring the scale of the front cavity, the rear stirring rod is used for stirring the scale of the rear cavity, and the liquid at the rear end of the rotor assembly and the scale are guided to the front end of the rotor assembly through the screw transmission device, so that the scale is effectively discharged, the scale accumulation is avoided, the influence of the scale on the performance and the running state of the shielding motor is reduced, and various quality problems are reduced;
2. The spiral transmission device is a spiral lug arranged on the rotor sleeve, and the spiral lug is welded on the rotor sleeve, so that the structure is simple and the installation is convenient.
Description of the drawings:
FIG. 1 is a cross-sectional view of the present utility model;
Fig. 2 is a perspective view of the shaft and rotor assembly of the present utility model.
Reference numerals: 1. a shielding sleeve; 2. a rotating shaft; 3. an impeller; 4. a front chamber; 5. a rear chamber; 6. a front stirring rod; 7. then stirring the mixture uniformly; 8. a rotor; 9. a rotor sleeve; 10. a front end cover; 11. a rear end cover; 12. a spiral bump; 13. a bushing.
The specific embodiment is as follows:
the utility model is further described below with reference to the specific examples, see fig. 1-2:
The utility model provides a scale-proof canned motor, includes shield cover 1, be equipped with pivot 2 and the rotor subassembly of setting on pivot 2 in the shield cover 1, still be equipped with the impeller 3 that is located rotor subassembly front side in the pivot 2, shield cover 1 form preceding cavity 4 in rotor subassembly front side, form back cavity 5 in rotor subassembly rear side, rotor subassembly front end is equipped with preceding stirring pole 6 that is located preceding cavity 4, the rear end is equipped with the back stirring pole 7 that is located back cavity 5, be equipped with screw drive on rotor subassembly's the lateral wall, screw drive is with the liquid direction rotor subassembly front end of rotor subassembly rear end.
The working principle of the utility model is as follows: as shown in fig. 1 and 2, the rotor assembly rotates to drive the rotating shaft 2, the front stirring rod 6, the rear stirring rod 7 and the screw transmission device to rotate, the front stirring rod 6 stirs the liquid in the front chamber 4, meanwhile stirs the scale in the front chamber 4, the rear stirring rod 7 stirs the liquid in the rear chamber 5, meanwhile stirs the scale in the rear chamber 5, the screw transmission device guides the liquid at the rear end of the rotor assembly to the front end of the rotor assembly, the liquid at the rear end of the rotor assembly flows to the front end of the rotor assembly through the gap between the rotor assembly and the shielding sleeve 1, and the scale in the liquid at the rear end of the rotor assembly flows to the front end of the rotor assembly together with the liquid through the gap between the rotor assembly and the shielding sleeve 1. The liquid and scale at the front end of the rotor assembly flow to the inlet of the water pump and then are discharged out of the motor.
According to the utility model, the front stirring rod 6 is used for stirring the scale of the front cavity 4, the rear stirring rod 7 is used for stirring the scale of the rear cavity 5, and the liquid at the rear end of the rotor assembly and the scale are guided to the front end of the rotor assembly through the screw transmission device, so that the scale is effectively discharged, the scale is prevented from accumulating, the influence of the scale on the performance and the running state of the shielding motor is reduced, and various quality problems are reduced.
Rotor assembly structure: as shown in fig. 1 and 2, the rotor assembly comprises a rotor 8 and a rotor sleeve 9 sleeved outside the rotor 8, a front end cover 10 and a rear end cover 11 are respectively arranged at two ends of the rotor 8, the front stirring rod 6 is arranged on the front end cover 10, the rear stirring rod 7 is arranged on the rear end cover 11, and the screw transmission device is arranged on the rotor sleeve 9.
Structure of front stirring bar 6 and rear stirring bar 7: as shown in fig. 1 and 2, the front stirring rod 6 and the rear stirring rod 7 are rectangular solids, and the length direction of the rectangular solids is parallel to the axial direction of the rotor 8, so that the stirring effect is good.
Mounting structure of front stirring rod 6: the front stirring rod 6 is fixed on the front end cover 10 by welding.
Mounting structure of rear stirring rod 7: the rear stirring rod 7 is fixed on the rear end cover 11 by welding.
For better stirring effect, the front stirring rod 6 is arranged on the front end face of the front end cover 10 and is provided with more than two; the rear stirring rod 7 is arranged on the rear end face of the rear end cover 11, and more than two rear stirring rods are arranged. In this embodiment, the front stirring bars 6 are provided in two opposite directions, and the rear stirring bars 7 are provided in two opposite directions.
The structure of the screw transmission device: as shown in fig. 1 and 2, the screw drive is a helical cam 12 provided on the rotor housing 9.
Further, the cross section of the spiral bump 12 is rectangular.
Mounting structure of the helical bump 12: the spiral lug 12 is welded on the rotor sleeve 9, and the structure is simple and the installation is convenient.
Preferably, a bushing 13 sleeved on the rotating shaft 2 is arranged between the rotor 8 and the rotating shaft 2, and the front end of the bushing 13 is connected with the front end cover 10, and the rear end of the bushing 13 is connected with the rear end cover 11.
Further, the front end cover 10, the bushing 13 and the rear end cover 11 are integrally formed.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (7)
1. The utility model provides a canned motor of scale prevention, includes shield cover (1), be equipped with pivot (2) and set up rotor assembly on pivot (2) in shield cover (1), still be equipped with impeller (3) that are located rotor assembly front side on pivot (2), shield cover (1) form preceding cavity (4) at rotor assembly front side, form back cavity (5) at rotor assembly rear side, its characterized in that: the front end of the rotor assembly is provided with a front stirring rod (6) positioned in the front cavity (4), the rear end of the rotor assembly is provided with a rear stirring rod (7) positioned in the rear cavity (5), and the side wall of the rotor assembly is provided with a screw transmission device which guides the liquid at the rear end of the rotor assembly to the front end of the rotor assembly.
2. A water-resistant, shielded motor according to claim 1, wherein: the rotor assembly comprises a rotor (8) and a rotor sleeve (9) sleeved outside the rotor (8), a front end cover (10) and a rear end cover (11) are respectively arranged at two ends of the rotor (8), the front stirring rod (6) is arranged on the front end cover (10), the rear stirring rod (7) is arranged on the rear end cover (11), and the screw transmission device is arranged on the rotor sleeve (9).
3. A water-scale resistant shield motor according to claim 2, wherein: the front stirring rod (6) and the rear stirring rod (7) are cuboid, and the length direction of the cuboid is parallel to the axial direction of the rotor (8).
4. A water-scale resistant shield motor according to claim 2, wherein: the front stirring rod (6) is arranged on the front end face of the front end cover (10) and is provided with more than two; the rear stirring rod (7) is arranged on the rear end face of the rear end cover (11), and more than two rear stirring rods are arranged.
5. A water-scale resistant shield motor according to claim 2, wherein: the screw transmission device is a spiral lug (12) arranged on the rotor sleeve (9).
6. The anti-scale shielding motor of claim 5, wherein: the spiral lug (12) is welded on the rotor sleeve (9).
7. A water-resistant, shielded motor according to claim 1, wherein: a bushing (13) sleeved on the rotating shaft (2) is arranged between the rotor (8) and the rotating shaft (2), and the front end of the bushing (13) is connected with the front end cover (10) and the rear end of the bushing is connected with the rear end cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322860809.9U CN221058094U (en) | 2023-10-24 | 2023-10-24 | Scale-proof shielding motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322860809.9U CN221058094U (en) | 2023-10-24 | 2023-10-24 | Scale-proof shielding motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221058094U true CN221058094U (en) | 2024-05-31 |
Family
ID=91206201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322860809.9U Active CN221058094U (en) | 2023-10-24 | 2023-10-24 | Scale-proof shielding motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221058094U (en) |
-
2023
- 2023-10-24 CN CN202322860809.9U patent/CN221058094U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |