CN211059023U - Leakage-free magnetic drive vortex pump - Google Patents
Leakage-free magnetic drive vortex pump Download PDFInfo
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- CN211059023U CN211059023U CN201921220981.5U CN201921220981U CN211059023U CN 211059023 U CN211059023 U CN 211059023U CN 201921220981 U CN201921220981 U CN 201921220981U CN 211059023 U CN211059023 U CN 211059023U
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- screw shaft
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- impeller
- pump
- magnetic steel
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Abstract
The utility model discloses a no leakage magnetic drive vortex pump, including pump case, drive assembly shell and driving motor, the pump case with the one end fixed connection of drive assembly shell, the other end of drive assembly shell is provided with the back lid, the output shaft of motor passes in the back lid stretches into the drive assembly shell, its characterized in that: a partition plate is clamped and fixed between the pump shell and the driving component shell, an impeller is arranged in the pump shell, a fan blade is arranged at the front end of the impeller, an inner magnetic steel assembly is arranged at the rear end of the impeller, and outer magnetic steel assemblies are coaxially distributed on the outer side of the circumference of the inner magnetic steel assembly; a first screw shaft is arranged in the center of the impeller in a penetrating mode, and a second screw shaft is inserted into the first screw shaft in a inserting mode. The utility model has the characteristics of the leakproofness is good, and the axial force that the impeller received has the function of being offset.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of pump especially relates to a no leakage magnetic drive vortex pump.
[ background of the invention ]
The vortex pump has good non-blocking performance, is suitable for conveying mixed liquid of sewage, fiber and larger particles, and is insensitive to gas in the mixed liquid. Ordinary vortex pump is generally by motor drive transmission shaft, drives the impeller and rotates, because liquid gets into the pump body by the axial front end of impeller, has very obvious impact to the impeller, makes the impeller receive axial effort, no matter to the bearing that is used for supporting the transmission shaft, or to transmission shaft itself, all can aggravate the degree of wear, and then causes and reveal.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, providing a no leakage magnetic drive vortex pump, having the characteristics that the leakproofness is good, and the axial force that the impeller received has the function of being offset.
In order to achieve the above object, the utility model provides a no leakage magnetic drive vortex pump, including pump case, drive assembly shell and driving motor, the pump case with the one end fixed connection of drive assembly shell, the other end of drive assembly shell is provided with the back lid, the output shaft of motor passes in the back lid stretches into the drive assembly shell, its characterized in that: a partition plate is clamped and fixed between the pump shell and the driving component shell, an impeller is arranged in the pump shell, fan blades are arranged at the front end of the impeller, an inner magnetic steel assembly is arranged at the rear end of the impeller, the inner magnetic steel assembly is covered by the partition plate so as to be isolated from the inner cavity of the driving component shell, an outer magnetic steel assembly is coaxially distributed on the outer side of the circumference of the inner magnetic steel assembly, the outer magnetic steel assembly covers the outer sides of the inner magnetic steel assembly and the partition plate, and the tail part of the outer magnetic steel assembly is fixedly connected with an output shaft of the driving motor; a first screw shaft penetrates through the center of the impeller, a second screw shaft is inserted into the first screw shaft, and a spacer bush is sleeved between the first screw shaft and the inner magnetic steel assembly; the tail end of the first screw shaft is provided with a first flange, the tail end of the second screw shaft is provided with a second flange, the second flange tightly presses and fixes the first flange on the tail end face of the partition plate, and the front end of the first screw shaft is inserted into the pump shell.
Preferably, the front end of the pump shell is provided with a water inlet, and the upper end of the pump shell is provided with a water outlet.
Preferably, the tail end of the water inlet is provided with a static ring, the front end of the impeller is provided with a dynamic ring, and the static ring is in slidable contact with the end surface of the dynamic ring.
Preferably, the screw thread on the first screw shaft is opposite to the screw thread on the second screw shaft.
Preferably, when the pitch of the screw thread on the first screw shaft is L1 and the pitch of the screw thread on the second screw shaft is L2, L1: L2 is 1.7.
Preferably, the thread groove on the first screw shaft is circular in cross section, and the thread groove on the second screw shaft is rectangular in cross section.
Preferably, a seal ring is provided between the partition plate and the pump casing.
Preferably, the second flange is fixed to the rear end surface of the partition by bolts.
The utility model has the advantages that: the utility model discloses a structural style of magnetic pump keeps apart impeller and motor, helps improving the leakproofness of vortex pump, through wear to establish first screw shaft and the second screw shaft that is located first screw shaft in the impeller, revolves the friction component of direction with the help of the spiral, and the axial force towards the water inlet is applyed to the impeller of pairing rotation to probably part is to the axial impact force to the impeller when canceling water entering pump case.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1-pump shell, 2-first screw shaft, 3-stationary ring, 4-moving ring, 5-impeller, 6-spacer bush, 7-baffle, 8-driving assembly shell, 9-second screw shaft, 10-external magnetic steel assembly, 11-rear cover, 12-driving motor, 101-water inlet, 102-water outlet, 201-first flange, 501-fan blade, 502-internal magnetic steel assembly and 901-second flange.
[ detailed description ] embodiments
Referring to fig. 1, the utility model relates to a no leakage magnetic drive vortex pump, including pump case 1, drive assembly shell 8 and driving motor 12, pump case 1 with the one end fixed connection of drive assembly shell 8, the other end of drive assembly shell 8 is provided with back lid 11, the output shaft of motor 12 passes back lid 11 and stretch into in the drive assembly shell 8, its characterized in that: a partition plate 7 is clamped and fixed between the pump shell 1 and the driving component shell 8, an impeller 5 is arranged in the pump shell 1, a fan blade 501 is arranged at the front end of the impeller 5, an inner magnetic steel assembly 502 is arranged at the rear end of the impeller 5, the inner magnetic steel assembly 502 is covered by the partition plate 7 so as to be isolated from the inner cavity of the driving component shell 8, an outer magnetic steel assembly 10 is coaxially distributed on the outer side of the circumference of the inner magnetic steel assembly 502, the outer magnetic steel assembly 10 covers the outer sides of the inner magnetic steel assembly 502 and the partition plate 7, and the tail part of the outer magnetic steel assembly 10 is fixedly connected with an output shaft of the driving motor 12; a first screw shaft 2 penetrates through the center of the impeller 5, a second screw shaft 9 is inserted into the first screw shaft 2, and a spacer 6 is sleeved between the first screw shaft 2 and the inner magnetic steel assembly 502; the tail end of the first screw shaft 2 is provided with a first flange 201, the tail end of the second screw shaft 9 is provided with a second flange 901, the second flange 901 compresses and fixes the first flange 201 on the tail end face of the partition plate 7, and the front end of the first screw shaft 2 is inserted into the pump shell 1.
The front end of the pump shell 1 is provided with a water inlet 101, and the upper end of the pump shell 1 is provided with a water outlet 102.
The tail end of the water inlet 101 is provided with a static ring 3, the front end of the impeller 5 is provided with a dynamic ring 4, and the static ring 3 is in slidable contact with the end surface of the dynamic ring 4.
The screw thread on the first screw shaft 2 is opposite to the screw thread on the second screw shaft 9 in rotation direction.
Assuming that the pitch of the screw thread on the first screw shaft 2 is L1 and the pitch of the screw thread on the second screw shaft 9 is L2, L1: L2 is 1.7.
The thread groove on the first screw shaft 2 is of a circular section, and the thread groove on the second screw shaft 9 is of a rectangular section.
And a sealing ring is arranged between the partition plate 7 and the pump shell 1.
The second flange 901 is fixed to the rear end surface of the partition 7 by bolts.
The utility model discloses the working process:
the utility model relates to a no leakage magnetic drive vortex pump is in the course of the work, drive the outer magnet steel assembly 10 to rotate by the driving motor 12, under the effect of radial magnetic force, the inner magnet steel assembly 502 located between baffle 7 and pump case 1 rotates, drive the synchronous rotation of flabellum 501, and then pump water into from water inlet 101, and pump out from water outlet 102; the impeller 5 bears the axial impact force when water enters from the water inlet 101, but due to the surface screw threads of the first threaded shaft 2 and the second threaded shaft 9, when the spacer 6 rotates along with the impeller 5, the spacer will receive the axial component of the screw thread friction force of the first threaded shaft 9, and the screw thread in the opposite direction of the second threaded shaft 9 can form friction resistance to the rotation trend of the first threaded shaft 2, and can also provide the axial component, so the axial force received by the impeller 5 can be effectively reduced.
The utility model discloses, keep apart impeller and motor through the structural style of magnetic pump, help improving the leakproofness of vortex pump, through wear to establish first screw shaft and the second screw shaft that is located first screw shaft in the impeller, with the help of the friction component of spiral soon to, the axial force towards the water inlet is applyed to the impeller of pairing rotation to probably part is to the axial impact force to the impeller when canceling water entering pump case.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (8)
1. The utility model provides a no leakage magnetic drive vortex pump, includes pump case (1), drive assembly shell (8) and driving motor (12), pump case (1) with the one end fixed connection of drive assembly shell (8), the other end of drive assembly shell (8) is provided with back lid (11), the output shaft of motor (12) passes back lid (11) and stretch into in drive assembly shell (8), its characterized in that: a partition plate (7) is clamped and fixed between the pump shell (1) and the drive component shell (8), an impeller (5) is arranged in the pump shell (1), fan blades (501) are arranged at the front end of the impeller (5), an inner magnetic steel assembly (502) is arranged at the rear end of the impeller (5), the inner magnetic steel assembly (502) is covered by the partition plate (7) so as to be isolated from an inner cavity of the drive component shell (8), outer magnetic steel assemblies (10) are coaxially distributed on the outer side of the circumference of the inner magnetic steel assembly (502), the outer magnetic steel assemblies (10) cover the outer sides of the inner magnetic steel assembly (502) and the partition plate (7), and the tail of the outer magnetic steel assemblies (10) is fixedly connected with an output shaft of the drive motor (12); a first screw shaft (2) penetrates through the center of the impeller (5), a second screw shaft (9) is inserted into the first screw shaft (2), and a spacer bush (6) is sleeved between the first screw shaft (2) and the inner magnetic steel assembly (502); the tail end of the first screw shaft (2) is provided with a first flange (201), the tail end of the second screw shaft (9) is provided with a second flange (901), the second flange (901) presses and fixes the first flange (201) on the tail end face of the partition plate (7), and the front end of the first screw shaft (2) is inserted into the pump shell (1).
2. A non-leakage magnetically driven vortex pump according to claim 1 wherein: the water inlet (101) is arranged at the front end of the pump shell (1), and the water outlet (102) is arranged at the upper end of the pump shell (1).
3. A non-leakage magnetically driven vortex pump according to claim 2 wherein: the tail end of the water inlet (101) is provided with a static ring (3), the front end of the impeller (5) is provided with a dynamic ring (4), and the static ring (3) is in slidable contact with the end face of the dynamic ring (4).
4. A non-leakage magnetically driven vortex pump according to claim 1 wherein: the screw thread on the first screw shaft (2) and the screw thread on the second screw shaft (9) are opposite in rotation direction.
5. The leakage-free magnetic-drive cyclone pump according to claim 4, wherein if the pitch of the screw thread on the first screw shaft (2) is L1 and the pitch of the screw thread on the second screw shaft (9) is L2, L1: L2 is 1.7.
6. A non-leakage magnetically driven vortex pump according to claim 5 wherein: the screw thread groove on the first screw shaft (2) is of a circular section, and the screw thread groove on the second screw shaft (9) is of a rectangular section.
7. A non-leakage magnetically driven vortex pump according to claim 1 wherein: and a sealing ring is arranged between the partition plate (7) and the pump shell (1).
8. A non-leakage magnetically driven vortex pump according to claim 1 wherein: the second flange (901) is fixed on the tail end face of the partition plate (7) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220981.5U CN211059023U (en) | 2019-07-31 | 2019-07-31 | Leakage-free magnetic drive vortex pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220981.5U CN211059023U (en) | 2019-07-31 | 2019-07-31 | Leakage-free magnetic drive vortex pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059023U true CN211059023U (en) | 2020-07-21 |
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ID=71589496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921220981.5U Active CN211059023U (en) | 2019-07-31 | 2019-07-31 | Leakage-free magnetic drive vortex pump |
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| Country | Link |
|---|---|
| CN (1) | CN211059023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360127A (en) * | 2019-07-31 | 2019-10-22 | 艾迪机器(杭州)有限公司 | A kind of non-leakage magnetic drive Turo pump |
-
2019
- 2019-07-31 CN CN201921220981.5U patent/CN211059023U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360127A (en) * | 2019-07-31 | 2019-10-22 | 艾迪机器(杭州)有限公司 | A kind of non-leakage magnetic drive Turo pump |
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