CN219317239U - Novel shaftless silence zero leakage magnetic drive centrifugal pump - Google Patents
Novel shaftless silence zero leakage magnetic drive centrifugal pump Download PDFInfo
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- CN219317239U CN219317239U CN202320550082.1U CN202320550082U CN219317239U CN 219317239 U CN219317239 U CN 219317239U CN 202320550082 U CN202320550082 U CN 202320550082U CN 219317239 U CN219317239 U CN 219317239U
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Abstract
The utility model discloses a novel shaftless mute zero-leakage magnetic transmission centrifugal pump, which belongs to the field of magnetic centrifugal pumps and comprises a pump shell, wherein an inlet end is arranged on one side of the pump shell, an outlet end is arranged at the top of the pump shell, a mounting cover is detachably arranged on one side of the pump shell, an impeller is rotatably arranged in the pump shell, a fixing rod is fixedly connected to one side of the impeller, one end of the fixing rod extends to the inside of the mounting cover, and an annular sliding block is positioned in an annular sliding groove. The detachable installation of the magnetic transmission assembly and the fixed rod is convenient for the detachment of the magnetic transmission assembly and the fixed rod, so that the magnetic transmission assembly can be detached and assembled independently by subsequent staff, the convenience of subsequent overhaul is improved, and in the process of detachment and assembly, the detachment and assembly work of the installation cover and the pump shell can be formed by only inserting the anastomosis block into the anastomosis hole at the corresponding position and matching with the rotation of the clamping block.
Description
Technical Field
The utility model relates to the technical field of magnetic centrifugal pumps, in particular to a novel shaftless mute zero-leakage magnetic transmission centrifugal pump.
Background
The centrifugal pump is operated by utilizing the centrifugal motion of water generated by the rotation of the impeller, and the magnetic centrifugal pump is a product which uses the working principle of a permanent magnet coupling for the centrifugal pump, and has the performance of no noise and zero leakage.
The Chinese patent publication No. CN115289030A discloses a novel shaftless mute zero-leakage magnetic transmission centrifugal pump. The impeller comprises an impeller front cover plate, a blade, an impeller rear cover plate, a first pair of permanent magnets arranged between the front edge of the impeller cover plate and the inlet flange, a second pair of permanent magnets arranged between the rear end of a pump housing and the end part of the impeller cover plate of the impeller rear cover plate, and a magnetic steel coil assembly which is arranged at the extending part, wherein the rear end of the pump housing partially extends into the rear end face of the impeller, which is far away from the inlet flange shaft. According to the utility model, no driving is realized through electromagnetic driving, the integral silencing effect of the centrifugal pump is improved, meanwhile, the flow state of the flow field is better, a sealing system is canceled when no shaft exists, and zero leakage is realized; the magnetic pulling and pushing principle is adopted to realize the self-balancing of axial force; the size of the whole pump set of the motor without transmission is smaller, and the weight is lighter.
According to the above patent, the centrifugal pump performs magnetic transmission of the impeller through the coil winding, when the centrifugal pump works for a long time, the coil winding is easy to raise the temperature, the temperature is easy to raise, the demagnetization phenomenon is easy to occur, and the magnetic transmission part is easy to damage, however, the magnetic transmission part on the centrifugal pump cannot be independently disassembled and assembled, so that the follow-up maintenance operation is inconvenient.
Disclosure of Invention
The utility model aims to provide a novel shaftless mute zero-leakage magnetic transmission centrifugal pump so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel shaftless silence zero leakage magnetic force transmission centrifugal pump, includes the pump case, one side of pump case is provided with the entrance point, and the top of pump case is provided with the exit end, one side detachable installation of pump case has the installation cover, and the inside rotation of pump case is provided with the impeller, one side fixedly connected with dead lever of impeller, the one end of dead lever extends to the inside of installation cover, the inside of installation cover is provided with magnetic force transmission subassembly, magnetic force transmission subassembly's output and the one end detachable connection of dead lever, the internal surface fixedly connected with annular slide rail of installation cover, and annular groove has been seted up to one side of annular slide rail, magnetic force transmission subassembly's surface fixedly connected with annular plate, and one side fixedly connected with annular slider of annular plate, annular slider is located the inside of annular slide groove, wherein, the surface fixedly connected with a plurality of the one side of pump case is identical piece, and one side of a plurality of identical piece all rotates and is connected with the chucking piece, a plurality of is used for the anastomotic orifice of identical piece male.
As a further preferred of this technical scheme, magnetic force transmission subassembly includes the swivel case, and the internal surface of swivel case is provided with permanent magnet steel, one side of installation cover inner wall is provided with the axial protruding piece, and the axial protruding piece extends to the inside of swivel case, be provided with the coil winding on the axial protruding piece, the annular plate is fixed in the surface of swivel case, be provided with the wire on the coil winding, and the one end of wire extends to the outside of installation cover.
As a further preferable mode of the technical scheme, one side of the rotary sleeve is fixedly connected with a transmission rod, one end of the transmission rod is fixedly connected with an insertion block, and a plurality of limiting grooves are formed in the outer surface of the insertion block.
As a further preferable mode of the technical scheme, one end of the fixing rod extending to the inside of the mounting cover is fixedly connected with a connecting sleeve, and the inner surface of the connecting sleeve is fixedly connected with a plurality of limiting strips.
As a further preferable mode of the technical scheme, the inner surface of one side of the mounting cover is provided with an annular gap, the inside of the annular gap is provided with a sealing ring, one side of the pump shell is fixedly connected with an insertion sleeve, the inner surface of the insertion sleeve is provided with a sealing groove, the inside of the insertion sleeve is provided with a sealing sleeve, and the outer surface of the sealing sleeve is provided with an annular protrusion for being inserted into the annular sealing groove.
As a further preferable mode of the technical scheme, annular moving blocks are arranged on two sides of the impeller, and the impeller is rotatably connected to the inside of the pump shell through the two annular moving blocks.
The utility model provides a novel shaftless mute zero-leakage magnetic transmission centrifugal pump, which comprises the following components
The beneficial effects are that:
(1) According to the utility model, the magnetic transmission assembly can drive the fixed rod to rotate by electrifying the magnetic transmission assembly, so that the rotation of the impeller is realized, and the magnetic transmission assembly and the fixed rod are conveniently detached by the detachable installation of the magnetic transmission assembly and the fixed rod, so that subsequent workers can conveniently and independently detach and mount the magnetic transmission assembly, the convenience of subsequent overhaul is improved, and in the process of detachment and mount, the detachment and mount work of the mounting cover and the pump shell can be formed by only inserting the anastomotic blocks into the anastomotic holes at corresponding positions and matching with the rotation of the clamping blocks.
(2) The sealing sleeve is arranged in the sealing groove, so that the sealing tightness of the installation cover and the pump shell is improved, the sealing tightness of the fixing rod extending to the outside of the installation cover is improved, and the annular bulge is arranged on the outer surface of the sealing sleeve, so that the sealing sleeve can be inserted into the sealing groove at the corresponding position, the penetrating sealing performance of the sealing sleeve is further enhanced, and the zero leakage function of the sealing sleeve is realized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the present utility model;
FIG. 3 is a schematic view of the present utility model in a split configuration;
FIG. 4 is a cross-sectional view of the pump housing of the present utility model;
FIG. 5 is a cross-sectional view of the structure of the mounting cup of the present utility model;
FIG. 6 is a schematic diagram of a combination impeller and magnetic drive assembly of the present utility model.
In the figure: 1. a pump housing; 2. a mounting cover; 3. an impeller; 4. a fixed rod; 5. a magnetic force transmission assembly; 51. a rotating sleeve; 52. permanent magnet steel; 53. a coil winding; 6. an annular slide rail; 7. an annular plate; 8. an annular slide block; 9. an anastomotic mass; 10. a clamping block; 11. an anastomotic stoma; 12. a transmission rod; 13. an insert block; 14. connecting sleeves; 15. a seal ring; 16. an insertion sleeve; 17. sealing sleeve; 18. and an annular moving block.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: as shown in fig. 1-6, in this embodiment, a novel shaftless mute zero-leakage magnetic force transmission centrifugal pump comprises a pump shell 1, one side of the pump shell 1 is provided with an inlet end, the top of the pump shell 1 is provided with an outlet end, one side of the pump shell 1 is detachably provided with a mounting cover 2, an impeller 3 is rotatably arranged in the pump shell 1, one side of the impeller 3 is fixedly connected with a fixing rod 4, one end of the fixing rod 4 extends to the inside of the mounting cover 2, a magnetic force transmission assembly 5 is arranged in the mounting cover 2, the output end of the magnetic force transmission assembly 5 is detachably connected with one end of the fixing rod 4, the inner surface of the mounting cover 2 is fixedly connected with an annular slide rail 6, one side of the annular slide rail 6 is provided with an annular groove, the outer surface of the magnetic force transmission assembly 5 is fixedly connected with an annular plate 7, one side of the annular plate 7 is fixedly connected with an annular slide block 8, the annular slide block 8 is positioned in the inside of the annular slide groove, a plurality of anastomotic blocks 9 are fixedly connected with the outer surface of one side of the pump shell 1, one side of the anastomotic blocks 9 are rotatably connected with anastomotic blocks 10, and the outer surface of one side of the mounting cover 2 is provided with a plurality of insert holes 11 for inserting the anastomotic blocks 9;
the magnetic transmission assembly 5 can be rotated by electrifying the magnetic transmission assembly 5, and the output end of the magnetic transmission assembly 5 is detachably connected with one end of the fixed rod 4, so that the magnetic transmission assembly is rotated to drive the fixed rod 4 to rotate, the rotation of the impeller 3 is realized, the magnetic transmission assembly 5 and the fixed rod 4 are convenient to detach, the magnetic transmission assembly 5 is convenient for subsequent workers to detach and mount separately, and the convenience of subsequent overhaul is improved;
during installation, the installation work of the installation cover 2 and the pump shell 1 can be formed by only inserting the anastomotic mass 9 into the anastomotic hole 11 at the corresponding position and matching with the rotation of the clamping mass 10, and during installation, the annular sliding block 8 at one side of the annular plate 7 is inserted into the annular sliding rail at the corresponding position to form rotary connection, so that the magnetic transmission assembly 5 is not required to be assembled independently, and during disassembly, the disassembly work of the installation cover 2 and the pump shell 1 can be realized by opposite operation.
As shown in fig. 2 and fig. 5 to 6, the magnetic transmission assembly 5 comprises a rotating sleeve 51, the inner surface of the rotating sleeve 51 is provided with permanent magnet steel 52, one side of the inner wall of the mounting cover 2 is provided with an axial protruding piece, the axial protruding piece extends to the inside of the rotating sleeve 51, the axial protruding piece is provided with a coil winding 53, the annular plate 7 is fixed on the outer surface of the rotating sleeve 51, the coil winding 53 is provided with a wire, and one end of the wire extends to the outside of the mounting cover 2;
the coil winding 53 is electrically connected with an external power supply through a wire, the centrifugal pump is connected with the coil winding 53 through the wire by means of an external three-phase power supply, the coil winding 53 is electrified to form an annular rotary changing magnetic field around the inside of the rotary sleeve 51, and then the permanent magnet steel 52 inside the rotary sleeve 51 can be driven, so that the permanent magnet steel 52 rotates, and further the impeller 3 is driven to rotate.
As shown in fig. 4 and 6, one side of the rotary sleeve 51 is fixedly connected with a transmission rod 12, one end of the transmission rod 12 is fixedly connected with an insertion block 13, and the outer surface of the insertion block 13 is provided with a plurality of limit grooves; one end of the fixed rod 4 extending to the inside of the mounting cover 2 is fixedly connected with a connecting sleeve 14, and the inner surface of the connecting sleeve 14 is fixedly connected with a plurality of limit strips;
through the setting of adapter sleeve 14, the insertion of insert 13 of being convenient for, and then through the setting of a plurality of spacing, be arranged in coincide the spacing groove of inserting corresponding position for insert 13 and adapter sleeve 14 form rotatory chucking, guarantee the rotation of its transfer line 12, can drive adapter sleeve 14 through insert 13 and rotate, indirectly drive impeller 3 and carry out rotary drive, realize that the fluid gets into pump case 1 from the entrance point, after the impeller 3 is pressurized in pump case 1 acceleration rate, flow out from the exit end.
As shown in fig. 2 and 3, an annular gap is formed in the inner surface of one side of the mounting cover 2, a sealing ring 15 is arranged in the annular gap, an insertion sleeve 16 is fixedly connected to one side of the pump shell 1, a sealing groove is formed in the inner surface of the insertion sleeve 16, a sealing sleeve 17 is arranged in the insertion sleeve 16, and an annular protrusion for being inserted into the annular sealing groove is arranged on the outer surface of the sealing sleeve 17;
the sealing ring 15 is inserted through the annular gap, so that the installation tightness of the installation cover 2 and the pump shell 1 is improved, the sealing tightness of the fixing rod 4 extending to the outside of the installation cover 2 is improved by placing the sealing sleeve 17 into the sealing groove, the annular bulge is arranged on the outer surface of the sealing sleeve 17, the sealing sleeve can be inserted into the sealing groove at the corresponding position, the penetrating sealing performance of the sealing sleeve is further enhanced, and the zero leakage function of the sealing sleeve is realized.
As shown in fig. 2 and 4, the impeller 3 is provided with annular moving blocks 18 on both sides thereof, and the impeller 3 is rotatably connected to the inside of the pump casing 1 through the two annular moving blocks 18;
through the arrangement of the two annular moving blocks 18, the stability of the impeller 3 is improved when the impeller rotates, axial balance treatment is formed, the rotation balance of the impeller 3 in the pump shell 1 is increased, and the centrifugal transmission effect is improved.
The utility model provides a novel shaftless mute zero-leakage magnetic transmission centrifugal pump, which has the following specific working principle:
the magnetic transmission assembly 5 is inserted into the installation cover 2, the annular sliding block 8 on the magnetic transmission assembly 5 is inserted into the annular groove formed in one side of the annular sliding rail 6 at the corresponding position, limit work of the annular sliding block 8 is formed, the installation cover 2 is attached to one side of the pump shell 1, in operation, the insertion block 13 at one end of the magnetic transmission assembly 5 is inserted into the connecting sleeve 14 on the fixed rod 4, through the arrangement of a plurality of limit strips, the insertion block 13 and the connecting sleeve 14 form rotary clamping, rotation of the transmission rod 12 is guaranteed, the insertion block 13 can drive the connecting sleeve 14 to rotate, finally the anastomosis block 9 is inserted into the anastomosis hole 11 at the corresponding position, rotation of the clamping block 10 is matched, installation work of the installation cover 2 and the pump shell 1 can be formed, the installation cover is connected with the coil winding 53 through a wire, an annular rotary variable magnetic field surrounding the inside the rotary sleeve 51 is formed after the coil winding 53 is electrified, the permanent magnet steel 52 inside the rotary sleeve 51 can be driven, the permanent magnet steel 52 is rotated, further, the impeller 3 is driven to rotate, fluid is driven to flow out from the rotary operation, the impeller 3 is driven to enter the pump shell 1 from the inlet end, the impeller 1 is accelerated, and the impeller is accelerated from the pump shell 1 through the pump outlet end.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel shaftless silence zero leakage magnetic force transmission centrifugal pump, includes pump case (1), one side of pump case (1) is provided with the entrance point, and the top of pump case (1) is provided with the exit end, its characterized in that: one side of pump case (1) detachably installs installation cover (2), and the inside rotation of pump case (1) is provided with impeller (3), one side fixedly connected with dead lever (4) of impeller (3), the one end of dead lever (4) extends to the inside of installation cover (2), the inside of installation cover (2) is provided with magnetic force transmission subassembly (5), the output of magnetic force transmission subassembly (5) is connected with the one end detachably of dead lever (4), the internal surface fixedly connected with annular slide rail (6) of installation cover (2), and annular groove has been seted up to one side of annular slide rail (6), the surface fixedly connected with annular plate (7) of magnetic force transmission subassembly (5), and one side fixedly connected with annular slider (8) of annular plate (7), annular slider (8) are located the inside of annular slide groove, wherein, the surface fixedly connected with a plurality of coincide piece (9) of outer surface fixedly connected with of pump case (1) one side, and one side of a plurality of coincide piece (9) all rotates and be connected with annular slide rail (10), one side of installation cover (2) has a plurality of insert hole (11) of being used for seting up.
2. The novel shaftless mute zero-leakage magnetic transmission centrifugal pump according to claim 1, wherein: the magnetic force transmission assembly (5) comprises a rotating sleeve (51), permanent magnet steel (52) is arranged on the inner surface of the rotating sleeve (51), an axial protruding piece is arranged on one side of the inner wall of the mounting cover (2), the axial protruding piece extends to the inside of the rotating sleeve (51), a coil winding (53) is arranged on the axial protruding piece, the annular plate (7) is fixed on the outer surface of the rotating sleeve (51), a wire is arranged on the coil winding (53), and one end of the wire extends to the outside of the mounting cover (2).
3. The novel shaftless mute zero-leakage magnetic transmission centrifugal pump according to claim 2, wherein: one side of the rotary sleeve (51) is fixedly connected with a transmission rod (12), one end of the transmission rod (12) is fixedly connected with an insertion block (13), and the outer surface of the insertion block (13) is provided with a plurality of limit grooves.
4. A novel shaftless silent zero leakage magnetic drive centrifugal pump according to claim 3, characterized in that: one end of the fixing rod (4) extending to the inside of the mounting cover (2) is fixedly connected with a connecting sleeve (14), and the inner surface of the connecting sleeve (14) is fixedly connected with a plurality of limiting strips.
5. The novel shaftless mute zero-leakage magnetic transmission centrifugal pump according to claim 1, wherein: the inner surface of installation cover (2) one side has seted up annular breach, and the inside of annular breach is provided with sealing washer (15), one side fixedly connected with of pump case (1) inserts cover (16), and inserts the internal surface of cover (16) and has seted up the seal groove, the inside of inserting cover (16) is provided with seal cover (17), and the surface of seal cover (17) is provided with the annular protrusion that is used for inserting the inside annular seal groove.
6. The novel shaftless mute zero-leakage magnetic transmission centrifugal pump according to claim 1, wherein: annular moving blocks (18) are arranged on two sides of the impeller (3), and the impeller (3) is rotatably connected to the inside of the pump shell (1) through the two annular moving blocks (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550082.1U CN219317239U (en) | 2023-03-16 | 2023-03-16 | Novel shaftless silence zero leakage magnetic drive centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550082.1U CN219317239U (en) | 2023-03-16 | 2023-03-16 | Novel shaftless silence zero leakage magnetic drive centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219317239U true CN219317239U (en) | 2023-07-07 |
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ID=87027963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320550082.1U Active CN219317239U (en) | 2023-03-16 | 2023-03-16 | Novel shaftless silence zero leakage magnetic drive centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219317239U (en) |
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2023
- 2023-03-16 CN CN202320550082.1U patent/CN219317239U/en active Active
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