CN219012953U - Impeller sealing device of centrifugal pump - Google Patents
Impeller sealing device of centrifugal pump Download PDFInfo
- Publication number
- CN219012953U CN219012953U CN202223484852.1U CN202223484852U CN219012953U CN 219012953 U CN219012953 U CN 219012953U CN 202223484852 U CN202223484852 U CN 202223484852U CN 219012953 U CN219012953 U CN 219012953U
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- Prior art keywords
- oil
- centrifugal pump
- reinforcing
- pipe body
- pump impeller
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- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 33
- 239000003921 oil Substances 0.000 description 54
- 230000000694 effects Effects 0.000 description 13
- 239000010687 lubricating oil Substances 0.000 description 12
- 238000005461 lubrication Methods 0.000 description 12
- 238000005728 strengthening Methods 0.000 description 9
- 239000000314 lubricant Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a centrifugal pump impeller sealing device, in particular to the field of centrifugal pump impeller sealing equipment, which comprises a pipe body, wherein an oil adding device is arranged on one side of the pipe body, a connecting plate is arranged on one side of the pipe body, a sealing ring is arranged on one side of the pipe body, a reinforcing device is arranged in the pipe body, the oil adding device comprises an oil storage groove arranged in the pipe body, an oil inlet hole is arranged on one side of the pipe body, the oil inlet hole is communicated with the oil storage groove, an oil outlet hole is arranged on the inner wall of the pipe body, and the oil outlet hole is communicated with the oil storage groove.
Description
Technical Field
The utility model relates to the field of centrifugal pump impeller sealing equipment, in particular to a centrifugal pump impeller sealing device.
Background
Centrifugal pumps are used for transporting liquids, and are transport devices for transporting liquids by centrifugal force generated by an internal impeller, and sealing devices are often required for connecting a pump shaft of the centrifugal pump to the impeller, and the sealing devices prevent the liquid from flowing inside and outside the seal.
The inventor finds that in daily work, the centrifugal pump impeller sealing equipment mostly adopts to sleeve the pipe body on the surface of the pump shaft, the pipe body drives the sealing ring to squeeze and seal the joint of the back plate and the pump shaft, then the fixing plate fixes the pipe body on the back plate through the bolt, but the condition that the pump shaft rotates in the pipe body for a long time due to the fact that the friction force is increased due to the lack of lubrication between the pump shaft and the pipe body can occur, and the rotation of the pump shaft is influenced.
In order to solve the problem that the pump shaft rotation is affected by the fact that the lack of lubrication and friction between the pump shaft and the pipe body possibly occurs when the pump shaft rotates in the pipe body for a long time, the problem that the pump shaft rotation is affected by the fact that a handheld watering can is adopted to spray lubricant on the joint of the pipe body and the pump shaft in the prior art is solved.
Disclosure of Invention
The utility model provides a centrifugal pump impeller sealing device, which aims to solve the problem that the rotation of a pump shaft is influenced by the fact that the friction force is increased due to the lack of lubrication between the pump shaft and the pipe body when the pump shaft rotates in the pipe body for a long time.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a centrifugal pump impeller sealing device, includes the body, one side of body is provided with the oil filling device, one side of body is provided with the connecting plate, one side of body is provided with the sealing washer, the inside of body is provided with reinforcing apparatus, the oil filling device is including seting up the inside oil storage tank of body, the inlet port has been seted up to one side of body, the inlet port communicates with each other with the oil storage tank, the oil outlet has been seted up to the inner wall of body, the oil outlet communicates with each other with the oil storage tank.
The effects achieved by the components are as follows: through setting up the oil adding device for lubricating oil accessible inlet port adds to the oil storage inslot and stores, and under the effect of oil outlet, make the inside slow drip of lubricating oil accessible oil outlet of storage in the oil storage inslot carry out continuous lubrication at the pump shaft surface, reduced the pump shaft and rotated the friction with the body inner wall and lack the condition that the lubrication influences pump shaft pivoted for a long time, multiplicable pump shaft and body between lubrication time, improved the convenience to pump shaft and body junction interpolation lubricant.
Preferably, a thread groove is formed in one side, close to the oil inlet, of the pipe body, and a thread plug is connected with the inner wall of the thread groove in a threaded mode.
The effects achieved by the components are as follows: through setting up screw thread groove and screw thread stopper for screw thread stopper accessible screw thread groove reciprocates the shutoff to the inlet port, has reduced the inside lubricating oil of oil storage tank when moving the body and has passed through the inside condition of spilling of inlet port, has reduced the inside lubrication of oil storage tank and has produced extravagant condition when moving the body.
Preferably, a sealing gasket is fixedly connected to one side of the threaded plug, and the surface size and shape of the sealing gasket are matched with those of the threaded plug.
The effects achieved by the components are as follows: through setting up sealed pad for the screw thread stopper reciprocates the in-process that reciprocates can drive sealed pad reciprocate and screw thread groove is close to inlet port one side inner wall extrusion and reaches sealed effect, and the screw thread stopper takes place the condition of seepage with the inlet port junction when reducing the screw thread stopper to the inlet port shutoff, has improved the effectiveness of screw thread stopper to the inlet port shutoff.
Preferably, an auxiliary block is fixedly connected to one side of the threaded plug, and the surface of the auxiliary block is rectangular.
The effects achieved by the components are as follows: through setting up the auxiliary block for personnel have the impetus when rotating the operation to the screw plug, drive screw plug rotation through rotating the auxiliary block and improve personnel's convenience when rotating the screw plug.
Preferably, one side of the auxiliary block is fixedly connected with an anti-slip strip, and the longitudinal section of the anti-slip strip is rectangular.
The effects achieved by the components are as follows: through setting up the antislip strip for personnel are manual to be more stable when rotating the operation to the auxiliary block, take place the slip when reducing hand and auxiliary block surface contact and influence the condition of rotating the screw plug.
Preferably, the reinforcing device comprises an annular groove formed in the pipe body, the inner wall of the annular groove is fixedly connected with reinforcing ribs, and the surface of each reinforcing rib is annular.
The effects achieved by the components are as follows: through setting up reinforcing apparatus for the strengthening rib multiplicable body's intensity makes the body more firm in the use, reduces the condition that the body takes place to split.
Preferably, one side of the reinforcing rib is fixedly connected with a plurality of reinforcing blocks, and the longitudinal section of each reinforcing block is circular.
The effects achieved by the components are as follows: through setting up a plurality of strengthening blocks for the strengthening block can increase the toughness of strengthening rib, makes the strengthening rib firm more in the use, reduces the condition that the strengthening rib takes place the fracture.
In summary, the beneficial effects of the utility model are as follows:
through setting up the oil adding device for lubricating oil accessible inlet port adds to the oil storage inslot and stores, and under the effect of oil outlet, make the inside slow drip of lubricating oil accessible oil outlet of storage in the oil storage inslot carry out continuous lubrication at the pump shaft surface, reduced the pump shaft and rotated the friction with the body inner wall and lack the condition that the lubrication influences pump shaft pivoted for a long time, multiplicable pump shaft and body between lubrication time, improved the convenience to pump shaft and body junction interpolation lubricant.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a partial cross-sectional view of a tube body of the present utility model.
Fig. 3 is a schematic view of a partial structure of the screw plug of the present utility model.
Fig. 4 is a schematic view of a partial structure of the oil reservoir of the present utility model.
Fig. 5 is a schematic view showing a partial structure of the reinforcing bar of the present utility model.
Reference numerals illustrate:
1. a tube body; 2. an oil adding device; 21. an oil storage tank; 22. an oil inlet hole; 23. a thread groove; 24. an oil outlet hole; 25. a threaded plug; 26. a sealing gasket; 27. an auxiliary block; 28. an anti-slip strip; 3. a connecting plate; 4. a seal ring; 5. a reinforcing device; 51. an annular groove; 52. reinforcing ribs; 53. reinforcing blocks.
Detailed Description
Referring to fig. 1-4, this embodiment discloses a centrifugal pump impeller sealing device, including body 1, one side of body 1 is provided with oil adding device 2, one side of body 1 is provided with connecting plate 3, one side of body 1 is provided with sealing washer 4, the inside of body 1 is provided with reinforcing apparatus 5, oil adding device 2 is including seting up at the inside oil storage tank 21 of body 1, oil inlet 22 has been setted up to one side of body 1, oil inlet 22 communicates with each other with oil storage tank 21, oil outlet 24 has been setted up to the inner wall of body 1, oil outlet 24 communicates with each other with oil storage tank 21, through setting up oil adding device 2, make lubricating oil accessible oil inlet 22 add to in the oil storage tank 21, and under the effect of oil outlet 24, make the lubricating oil that stores in oil storage tank 21 slowly drip on the pump shaft surface continuously lubricate, the condition that the pump shaft rotates friction lacks lubrication effect pump shaft rotation with body 1 inner wall for a long time, can increase the lubrication time between pump shaft and the body 1, the convenience to the interpolation of lubricant that adds to pipe body 1 junction.
Referring to fig. 3 and 4, this embodiment discloses that a thread groove 23 is formed on one side of a pipe body 1 close to an oil inlet 22, a thread plug 25 is connected to an inner wall of the thread groove 23, by setting the thread groove 23 and the thread plug 25, the thread plug 25 can move up and down to seal the oil inlet 22 through the thread groove 23, the condition that lubricating oil in the oil storage tank 21 leaks out through the oil inlet 22 when the pipe body 1 is moved is reduced, the condition that the lubricating oil in the oil storage tank 21 is wasted when the pipe body 1 is moved is reduced, a sealing gasket 26 is fixedly connected to one side of the thread plug 25, the surface size and shape of the sealing gasket 26 are matched with the surface size and shape of the thread plug 25, and by setting the sealing gasket 26, the sealing gasket 26 can be driven to move up and down to squeeze the inner wall of the side of the thread plug 25 close to the oil inlet 22 in the process of moving up and down to achieve a sealing effect, the condition that the connecting part of the thread plug 25 and the oil inlet 22 is leaked when the oil inlet 22 is sealed by the thread plug 25 is reduced, and the effectiveness of the sealing plug 25 on the oil inlet 22 is improved.
Referring to fig. 3, this embodiment discloses one side fixedly connected with auxiliary block 27 of screw plug 25, the surface of auxiliary block 27 is the rectangle, through setting up auxiliary block 27, the hand has the impetus when making personnel rotate the operation to screw plug 25, the convenience when screw plug 25 is rotated to improvement personnel through rotating auxiliary block 27 drive screw plug 25, one side fixedly connected with antislip strip 28 of auxiliary block 27, the longitudinal section of antislip strip 28 is the rectangle, through setting up antislip strip 28, make personnel manually rotate the operation to auxiliary block 27 more stable, the condition of sliding influence rotation screw plug 25 takes place when reducing hand and auxiliary block 27 surface contact.
Referring to fig. 4 and 5, this embodiment discloses reinforcing apparatus 5 including seting up at the inside ring channel 51 of body 1, the inner wall fixedly connected with strengthening rib 52 of ring channel 51, and the surface of strengthening rib 52 is annular, through setting up reinforcing apparatus 5 for strengthening rib 52 can increase the intensity of body 1, makes body 1 more firm in the use, reduces the condition that body 1 takes place the fracture.
Referring to fig. 5, this embodiment discloses that one side of the reinforcing rib 52 is fixedly connected with a plurality of reinforcing blocks 53, and the longitudinal section of the reinforcing block 53 is circular, and by setting a plurality of reinforcing blocks 53, the reinforcing block 53 can increase the toughness of the reinforcing rib 52, so that the reinforcing rib 52 is stronger in the use process, and the situation that the reinforcing rib 52 breaks is reduced.
The working principle is as follows: when lubricating oil is required to be added to the surface of the pump shaft, the lubricating oil is poured into the oil storage groove 21 through the oil inlet hole 22, the auxiliary block 27 is rotated at the moment, the auxiliary block 27 drives the threaded plug 25 to rotate in the threaded groove 23, the threaded plug 25 moves up and down in the threaded groove 23, the threaded plug 25 drives the sealing gasket 26 to move up and down, when the threaded plug 25 drives the sealing gasket 26 to move to the inner wall of one side of the extrusion threaded groove 23 close to the oil inlet hole 22, the sealing of the oil inlet hole 22 is completed, the pump shaft is connected with the pipe body 1, the lubricating oil in the oil storage groove 21 is dripped on the surface of the pump shaft through the oil outlet hole 24 when the pump shaft rotates in the pipe body 1, the lubricating of the surface of the pump shaft is completed, the pipe body 1 is firmer in the use process under the action of the reinforcing ribs 52 and the reinforcing blocks 53, the pipe body 1 is connected and fixed through the connecting plate 3 and the pump back plate, and the pipe body 1 drives the sealing ring 4 to extrude the joint of the pump shaft and the back plate to complete sealing.
Claims (7)
1. The utility model provides a centrifugal pump impeller sealing device, includes body (1), its characterized in that: one side of body (1) is provided with oil adding device (2), one side of body (1) is provided with connecting plate (3), one side of body (1) is provided with sealing washer (4), the inside of body (1) is provided with reinforcing apparatus (5), oil adding device (2) are including seting up at the inside oil storage tank (21) of body (1), inlet port (22) have been seted up to one side of body (1), inlet port (22) communicate with each other with oil storage tank (21), oil outlet (24) have been seted up to the inner wall of body (1), oil outlet (24) communicate with each other with oil storage tank (21).
2. A centrifugal pump impeller seal according to claim 1, wherein: a thread groove (23) is formed in one side, close to the oil inlet hole (22), of the pipe body (1), and a thread plug (25) is connected to the inner wall of the thread groove (23) in a threaded mode.
3. A centrifugal pump impeller seal according to claim 2, wherein: one side of the threaded plug (25) is fixedly connected with a sealing gasket (26), and the surface size and shape of the sealing gasket (26) are matched with those of the threaded plug (25).
4. A centrifugal pump impeller seal according to claim 2, wherein: an auxiliary block (27) is fixedly connected to one side of the threaded plug (25), and the surface of the auxiliary block (27) is rectangular.
5. A centrifugal pump impeller seal according to claim 4, wherein: one side of the auxiliary block (27) is fixedly connected with an anti-slip strip (28), and the longitudinal section of the anti-slip strip (28) is rectangular.
6. A centrifugal pump impeller seal according to claim 1, wherein: the reinforcing device (5) comprises an annular groove (51) formed in the pipe body (1), the inner wall of the annular groove (51) is fixedly connected with reinforcing ribs (52), and the surface of the reinforcing ribs (52) is annular.
7. A centrifugal pump impeller seal according to claim 6, wherein: one side of each reinforcing rib (52) is fixedly connected with a plurality of reinforcing blocks (53), and the longitudinal section of each reinforcing block (53) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484852.1U CN219012953U (en) | 2022-12-27 | 2022-12-27 | Impeller sealing device of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484852.1U CN219012953U (en) | 2022-12-27 | 2022-12-27 | Impeller sealing device of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219012953U true CN219012953U (en) | 2023-05-12 |
Family
ID=86251358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223484852.1U Active CN219012953U (en) | 2022-12-27 | 2022-12-27 | Impeller sealing device of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219012953U (en) |
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2022
- 2022-12-27 CN CN202223484852.1U patent/CN219012953U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240511 Address after: Building E, Zone A, Energy Conservation and Environmental Protection Innovation Park, No. 199 Hongwu Avenue, Tangqiao Town, Zhangjiagang City, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Hebiying Energy saving Equipment Technology Co.,Ltd. Country or region after: China Address before: 210000 Xuanwu Road, Xuanwu District, Nanjing, Jiangsu 699-1 Patentee before: Nanjing Zhiqi Jiahua Water Technology Co.,Ltd. Country or region before: China |