CN220060036U - Horizontal multistage centrifugal pump - Google Patents
Horizontal multistage centrifugal pump Download PDFInfo
- Publication number
- CN220060036U CN220060036U CN202320465488.XU CN202320465488U CN220060036U CN 220060036 U CN220060036 U CN 220060036U CN 202320465488 U CN202320465488 U CN 202320465488U CN 220060036 U CN220060036 U CN 220060036U
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- Prior art keywords
- centrifugal pump
- multistage centrifugal
- connecting cylinder
- vibration
- damping
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- 238000013016 damping Methods 0.000 claims abstract description 59
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000008093 supporting effect Effects 0.000 claims abstract description 9
- 230000003139 buffering effect Effects 0.000 claims description 19
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 29
- 230000000712 assembly Effects 0.000 abstract description 7
- 238000000429 assembly Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 230000001603 reducing effect Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a horizontal multistage centrifugal pump, and belongs to the field of water pumps. The vibration damping and noise reduction device solves the problem that an existing horizontal multistage centrifugal pump is poor in vibration damping and noise reduction effect. The horizontal multistage centrifugal pump comprises a multistage centrifugal pump main body, a connecting cylinder used for reinforcing the connection strength and having a vibration reduction buffer effect is sleeved on the peripheral wall of the multistage centrifugal pump main body, supporting seats used for supporting the connecting cylinder are arranged on the corresponding two sides of the bottom of the connecting cylinder, a plurality of vibration reduction assemblies used for radial vibration reduction buffer of the multistage centrifugal pump are circumferentially arranged on the peripheral wall of the connecting cylinder, the vibration reduction assemblies are distributed at intervals in the circumferential direction along the peripheral wall of the connecting cylinder, the vibration reduction assemblies consist of vibration reduction rings, connecting pieces, mounting holes, elastic pieces and pressing plates, and sealing gaskets used for reinforcing the connection sealing strength and having the vibration reduction effect are further arranged between the pressing plates and the connecting fitting parts of the connecting cylinder. The utility model has the advantages of high vibration reduction, high noise reduction and long service life.
Description
Technical Field
The utility model belongs to the field of water pumps, and relates to a centrifugal pump, in particular to a horizontal multistage centrifugal pump.
Background
The multistage centrifugal pump is formed by integrating more than two centrifugal pumps with the same functions, and the medium pressure relief opening of the first stage is communicated with the inlet of the second stage in the fluid channel structure, the medium pressure relief opening of the second stage is communicated with the inlet of the third stage, and the mechanism connected in series forms the multistage centrifugal pump and is widely applied to the fields of industrial liquid transportation, urban water supply and drainage, high-rise building pressurization water supply, garden irrigation, fire fighting pressurization and the like.
The existing mounting base structure for the horizontal multistage centrifugal pump is too simple and is not provided with a corresponding vibration damping performance structure, so that vibration force generated during operation of a main body of the multistage centrifugal pump cannot be effectively reduced, damage to parts in the multistage centrifugal pump can be caused for a long time, and the service life of the multistage centrifugal pump is seriously influenced.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a horizontal multistage centrifugal pump with a vibration reduction and buffering function.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a horizontal multistage centrifugal pump, includes multistage centrifugal pump main part, its characterized in that is located multistage centrifugal pump main part peripheral wall on the cover be equipped with and be used for strengthening joint strength and have the connecting cylinder of damping cushioning effect, connecting cylinder bottom corresponding both sides limit be provided with the supporting seat that is used for supporting the effect, connecting cylinder peripheral wall on circumference be provided with a plurality of be used for multistage centrifugal pump radial damping buffering's damping subassembly, a plurality of damping subassembly be circumferencial direction interval arrangement distribution along its connecting cylinder peripheral wall, damping subassembly by with multistage centrifugal pump main part laminating fastening connection and have radial damping cushioning effect's damping ring, with the damping ring be connected and with connecting cylinder peripheral wall spacing swing joint's connecting piece, offer on connecting cylinder peripheral wall and supply connecting piece spacing swing joint's mounting hole, be located the mounting hole and be used for damping buffering's elastic component and with the spacing clamp plate of supporting the installation of mounting hole to constitute, just clamp plate and connecting cylinder connecting cooperation department between still be provided with and be used for strengthening joint seal strength and have damping effect.
In the horizontal multistage centrifugal pump, a rubber vibration damping pad used for damping and buffering and having a noise reduction effect is integrally formed on one end face of the vibration damping ring, which is attached to and fastened with the multistage centrifugal pump body, and the other end face of the vibration damping ring is fixedly connected with the connecting piece.
In the horizontal multistage centrifugal pump, the inner peripheral wall of the mounting hole is provided with the limiting step for limiting the movement of the connecting piece, and one end of the connecting piece is radially and outwards extended with the convex ring part which is in limit fit with the limiting step.
In the horizontal multistage centrifugal pump, a boss part for guiding the elastic piece is arranged at the center of the bottom of the pressing plate in a downward axial extending mode and is in clearance fit with the mounting hole, and the elastic piece is sleeved on the boss part and one end of the elastic piece is abutted against the connecting piece.
In the horizontal multistage centrifugal pump, the vibration damping rings are fixedly connected with the connecting piece, and a buffer gap for vibration damping and buffering is arranged between the vibration damping rings and the inner peripheral wall of the connecting cylinder.
In the horizontal multistage centrifugal pump, the pressing plate, the sealing gasket and the connecting cylinder are connected through the fastening bolts.
Compared with the prior art, the horizontal multistage centrifugal pump has the following advantages:
1. the connecting cylinder and the plurality of vibration reduction assemblies are arranged, the vibration reduction assemblies are composed of vibration reduction rings, connecting pieces, mounting holes, elastic pieces and pressing plates, the vibration reduction rings are attached to and pressed on the multistage centrifugal pump main body through the connecting pieces, the mounting holes, the elastic pieces and the pressing plates, the multistage centrifugal pump main body is ensured to be fixed and not easy to separate, the multistage centrifugal pump main body can be subjected to radial vibration reduction and buffering under the high elastic acting force of the elastic pieces, meanwhile, the connecting cylinder structural design has the effect of reducing working noise, the working environment of the multistage centrifugal pump is effectively ensured, and the service life of the multistage centrifugal pump is prolonged;
2. the horizontal multistage centrifugal pump is reasonable in structural design, and is provided with the connecting cylinder and the plurality of vibration reduction assembly structures to effectively realize radial vibration reduction, buffering and noise reduction on the multistage centrifugal pump main body, meanwhile, the use intensity of the multistage centrifugal pump main body is increased, and the use intensity is improved.
Drawings
Fig. 1 is a schematic perspective view of the horizontal multistage centrifugal pump.
Fig. 2 is a schematic sectional structure of a connecting cylinder of the horizontal multistage centrifugal pump.
In the figure, 1, a multistage centrifugal pump main body; 2. a connecting cylinder; 3. a support base; 4. a vibration damping ring; 5. a connecting piece; 6. a mounting hole; 7. an elastic member; 8. a pressing plate; 9. a sealing gasket; 10. a rubber vibration damping pad; 11. a limit step; 12. a convex ring portion; 13. a boss portion.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 and 2, the horizontal multistage centrifugal pump comprises a multistage centrifugal pump main body 1, a connecting cylinder 2 for enhancing the connection strength and having vibration damping and buffering functions is sleeved on the peripheral wall of the multistage centrifugal pump main body 1, supporting seats 3 for supporting the connecting cylinder 2 are arranged on the corresponding two sides of the bottom of the connecting cylinder 2, a plurality of vibration damping assemblies for radial vibration damping and buffering of the multistage centrifugal pump are circumferentially arranged on the peripheral wall of the connecting cylinder 2, the vibration damping assemblies are distributed at intervals along the peripheral wall of the connecting cylinder 2, each vibration damping assembly consists of a vibration damping ring 4 which is tightly connected with the multistage centrifugal pump main body 1 in a fitting manner and has a radial vibration damping and buffering function, a connecting piece 5 which is connected with the vibration damping ring 4 and is in limiting movable connection with the peripheral wall of the connecting cylinder 2, a mounting hole 6 which is arranged on the peripheral wall of the connecting cylinder 2 and is provided with the limiting movable connection of the connecting piece 5, an elastic piece 7 which is positioned in the mounting hole 6 and is in fit with the mounting hole 6 and is used for limiting and abutting the elastic piece 7, and a sealing gasket 9 which is used for enhancing the connection sealing strength and has the vibration damping effect is also arranged between the connection matching position of the pressing plate 8 and the connecting cylinder 2, through the connecting cylinder 2 and a plurality of vibration damping components, the vibration damping components consist of a vibration damping ring 4, a connecting piece 5, a mounting hole 6, an elastic piece 7 and the pressing plate 8, the vibration damping ring 4 is tightly pressed on the multistage centrifugal pump main body 1 through the connecting piece 5, the mounting hole 6, the elastic piece 7 and the pressing plate 8, the multistage centrifugal pump main body 1 is ensured to be fixed and not easy to be separated, and under the high elastic acting force of the elastic piece 7, the radial vibration damping and the buffering of the multistage centrifugal pump main body 1 can be realized, meanwhile, the structural design of the connecting cylinder 2 has the effect of reducing the working noise, the working environment of the multistage centrifugal pump is effectively guaranteed, and the service life of the multistage centrifugal pump is prolonged.
Further, in order to facilitate the fastening connection and vibration damping and buffering of the multistage centrifugal pump, a rubber vibration damping pad 10 for vibration damping and buffering and having a noise reducing effect is integrally formed on one end face of the vibration damping ring 4, which is attached to and fastened with the multistage centrifugal pump main body 1, and the other end face of the vibration damping ring 4 is fixedly connected with the connecting piece 5.
Further, in order to facilitate spacing connection of the connecting piece 5, a spacing step 11 for movably spacing the connecting piece 5 is formed in the inner peripheral wall of the mounting hole 6, a convex ring portion 12 which is in spacing fit with the spacing step 11 is radially outwards extended at one end of the connecting piece 5, a boss portion 13 for guiding sleeve of the elastic piece 7 and being in clearance fit with the mounting hole 6 is axially and downwards extended at the center of the bottom of the pressing plate 8, the elastic piece 7 is sleeved on the boss portion 13, one end of the elastic piece abuts against the connecting piece 5, and the structure can effectively fasten the vibration reduction assembly structure and facilitate vibration reduction and buffering.
Further, in order to improve the vibration reduction and buffering effects, the vibration reduction rings 4 are fixedly connected with the connecting piece 5, buffer gaps for vibration reduction and buffering are formed between the vibration reduction rings and the inner peripheral wall of the connecting cylinder 2, the pressing plates 8, the sealing gaskets 9 and the connecting cylinder 2 are connected through fastening bolts, and the vibration reduction rings 4 can be subjected to radial buffer movement through the buffer gaps, so that the radial vibration reduction and buffering of the multistage centrifugal pump are effectively facilitated.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms such as the multistage centrifugal pump body 1, the connecting cylinder 2, the support base 3, the vibration damping ring 4, the connecting member 5, the mounting hole 6, the elastic member 7, the pressing plate 8, the sealing gasket 9, the rubber vibration damping pad 10, the limiting step 11, the convex ring portion 12, the boss portion 13, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (6)
1. The utility model provides a horizontal multistage centrifugal pump, includes multistage centrifugal pump main part (1), its characterized in that is located multistage centrifugal pump main part (1) periphery wall on the cover be equipped with be used for strengthening joint strength and have connecting cylinder (2) of damping cushioning effect, connecting cylinder (2) bottom corresponding both sides limit be provided with be used for supporting effect supporting seat (3), connecting cylinder (2) periphery wall on circumference be provided with a plurality of be used for multistage centrifugal pump radial damping buffered vibration damping assembly, a plurality of vibration damping assembly be circumferencial direction interval arrangement distribution along its connecting cylinder (2) periphery wall, vibration damping assembly by with multistage centrifugal pump main part (1) laminating fastening connection and have radial damping ring (4) of damping cushioning effect, be connected with damping ring (4) and with connecting cylinder (2) periphery wall spacing swing joint's connecting piece (5), set up on connecting cylinder (2) periphery wall and supply connecting piece (5) spacing swing joint's mounting hole (6), be located in mounting hole (6) and be used for the vibration damping elastic component (7) and be connected with mounting hole (6) and be the circumferencial direction interval arrangement distribution along its connecting cylinder (2) periphery wall, vibration damping assembly has and seal plate (8) to seal up and seal between the connecting plate (8) and the setting up and be used for connecting together and seal (8) and seal between the connecting plate (8).
2. The horizontal multistage centrifugal pump according to claim 1, wherein a rubber vibration-damping pad (10) for vibration damping and buffering and having a noise-reducing effect is integrally formed on one end surface of the vibration-damping ring (4) which is attached to and fastened with the multistage centrifugal pump main body (1), and the other end surface of the vibration-damping ring (4) is fixedly connected with the connecting piece (5).
3. The horizontal multistage centrifugal pump according to claim 1, wherein the inner peripheral wall of the mounting hole (6) is provided with a limiting step (11) for movably limiting the connecting piece (5), and a convex ring part (12) in limiting fit with the limiting step (11) is radially outwards extended at one end of the connecting piece (5).
4. The horizontal multistage centrifugal pump according to claim 1, wherein a boss portion (13) for guiding and sleeving the elastic member (7) and being in clearance fit with the mounting hole (6) is axially and downwardly extended at the bottom center of the pressing plate (8), and the elastic member (7) is sleeved on the boss portion (13) and one end of the elastic member is abutted against the connecting member (5).
5. The horizontal multistage centrifugal pump according to claim 1, wherein the vibration damping rings (4) are fixedly connected with the connecting piece (5) and are provided with a buffer gap for vibration damping and buffering with the inner peripheral wall of the connecting cylinder (2).
6. A horizontal multistage centrifugal pump according to claim 1, wherein the pressure plate (8), the sealing gasket (9) and the connecting cylinder (2) are connected by fastening bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320465488.XU CN220060036U (en) | 2023-03-06 | 2023-03-06 | Horizontal multistage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320465488.XU CN220060036U (en) | 2023-03-06 | 2023-03-06 | Horizontal multistage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060036U true CN220060036U (en) | 2023-11-21 |
Family
ID=88765961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320465488.XU Active CN220060036U (en) | 2023-03-06 | 2023-03-06 | Horizontal multistage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060036U (en) |
-
2023
- 2023-03-06 CN CN202320465488.XU patent/CN220060036U/en active Active
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