CN221033153U - Combined self-priming pump - Google Patents
Combined self-priming pump Download PDFInfo
- Publication number
- CN221033153U CN221033153U CN202323076735.6U CN202323076735U CN221033153U CN 221033153 U CN221033153 U CN 221033153U CN 202323076735 U CN202323076735 U CN 202323076735U CN 221033153 U CN221033153 U CN 221033153U
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- Prior art keywords
- centrifugal pump
- pump
- diaphragm
- diaphragm pump
- main shaft
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 230000037452 priming Effects 0.000 claims abstract 6
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a combination formula self priming pump, includes centrifugal pump, diaphragm pump, inlet tube, diversion jar, and the centrifugal pump includes the centrifugal pump body, and the diaphragm pump includes the diaphragm pump body, and diaphragm pump body and centrifugal pump body fixed connection, diaphragm pump main shaft pass through drive mechanism and centrifugal pump main shaft are connected, the centrifugal pump water inlet with the one end of inlet tube is connected, and the other end of inlet tube is provided with the water inlet, the lateral wall of inlet tube with the one end of diversion jar is connected, diversion jar and inlet tube intercommunication, the diaphragm pump import is connected with the other end of diversion jar through the pipeline. The utility model combines the centrifugal pump and the diaphragm pump, utilizes the advantage of high self-priming height of the diaphragm pump to guide water into the pump body of the centrifugal pump, and realizes flexible configuration of flow and lift by the centrifugal pump, and combines the advantages of large flow, wide range of choice of lift and high self-priming height of the diaphragm pump, thereby meeting the use requirements of occasions with high self-priming height and large flow.
Description
Technical Field
The utility model relates to the field of machinery, in particular to a water pump, and especially relates to a combined self-priming pump.
Background
The self-priming pump belongs to one kind of centrifugal pump, has certain self-priming ability, and self-priming height is generally 3-3.5 meters because of the self-construction principle problem of centrifugal pump in the prior art, and can't be used in the occasion that the suction stroke requirement is higher. The diaphragm pump in the prior art has a self-priming height of 5-7 m, but has smaller flow and smaller adjustable range of lift, and cannot be used in high-flow occasions, so the self-priming pump used in the occasions with high self-priming height and large flow is lacking in the prior art.
Disclosure of Invention
The utility model aims to provide a combined self-priming pump, which aims to solve the technical problem that the self-priming pump used in occasions with high self-priming height and large flow rate is lacking in the prior art.
The utility model discloses a combined self-priming pump, which comprises a centrifugal pump, a diaphragm pump, a water inlet pipe and a water diversion tank, wherein the centrifugal pump comprises a centrifugal pump body, a centrifugal pump main shaft is arranged in the centrifugal pump body in a penetrating way, a driving device is arranged on the outer side of the centrifugal pump body, the centrifugal pump main shaft is connected with a power output end of the driving device, an impeller mechanism is arranged in the centrifugal pump body, the impeller mechanism is connected with the centrifugal pump main shaft, a centrifugal pump water inlet and a centrifugal pump water outlet are arranged on the centrifugal pump body, the diaphragm pump comprises a diaphragm pump body, a diaphragm pump main shaft is arranged in the diaphragm pump body in a penetrating way, a diaphragm mechanism is arranged in the diaphragm pump body and is connected with the diaphragm pump main shaft, and a diaphragm pump inlet and a diaphragm pump outlet are arranged on the diaphragm pump body; the diaphragm pump body is fixedly connected with the centrifugal pump body, the diaphragm pump main shaft is connected with the centrifugal pump main shaft through a transmission mechanism, the centrifugal pump water inlet is connected with one end of the water inlet pipe, the other end of the water inlet pipe is provided with a water inlet, the side wall of the water inlet pipe is connected with one end of the water diversion tank, the water diversion tank is communicated with the water inlet pipe, and the diaphragm pump inlet is connected with the other end of the water diversion tank through a pipeline.
Further, the transmission mechanism is a belt transmission mechanism, the belt transmission mechanism comprises two belt pulleys, a belt is connected between the two belt pulleys, one belt pulley is connected with the main shaft of the centrifugal pump, and the other belt pulley is connected with the main shaft of the diaphragm pump through a transmission shaft.
Further, the driving device is an electric motor or a diesel engine.
Further, a valve is arranged on the pipeline.
Further, a bracket is arranged at the bottom of the centrifugal pump body.
Compared with the prior art, the utility model has positive and obvious effects. The utility model combines the centrifugal pump and the diaphragm pump, utilizes the advantage of high self-priming height of the diaphragm pump to guide water into the pump body of the centrifugal pump, and realizes flexible configuration of flow and lift by the centrifugal pump, and combines the advantages of large flow, wide range of choice of lift and high self-priming height of the diaphragm pump, thereby meeting the use requirements of occasions with high self-priming height and large flow.
Drawings
Fig. 1 is a schematic cross-sectional view of a combined self-priming pump of the present utility model.
Fig. 2 is a schematic side view of a combined self-priming pump of the present utility model.
Detailed Description
The present utility model is further described in connection with the following examples, but the present utility model is not limited to the examples, and all the similar structures and similar variations using the present utility model should be included in the protection scope of the present utility model. The use of the directions of up, down, front, back, left, right, etc. in the present utility model is only for convenience of description, and is not a limitation of the technical scheme of the present utility model.
As shown in fig. 1 and 2, the combined self-priming pump comprises a centrifugal pump body 8, a diaphragm pump, a water inlet pipe 14 and a water diversion tank 11, wherein a centrifugal pump main shaft 6 is penetrated in the centrifugal pump body 8, a driving device (not shown in the figure) is arranged outside the centrifugal pump body 8, the centrifugal pump main shaft 6 is connected with a power output end of the driving device, an impeller mechanism 13 is arranged in the centrifugal pump body 8, the impeller mechanism 13 is connected with the centrifugal pump main shaft 6, a centrifugal pump water inlet 16 and a centrifugal pump water outlet 10 are arranged on the centrifugal pump body 8, the diaphragm pump comprises a diaphragm pump body 1, a diaphragm pump main shaft 3 penetrates through the diaphragm pump body 1, a diaphragm mechanism 2 is arranged in the diaphragm pump body 1, the diaphragm mechanism 2 is connected with the diaphragm pump main shaft 3, and a diaphragm pump inlet and a diaphragm pump outlet are arranged on the diaphragm pump body 1; the diaphragm pump body 1 is fixedly connected with the centrifugal pump body 8, the diaphragm pump spindle 3 is connected with the centrifugal pump spindle 6 through a transmission mechanism, the centrifugal pump water inlet 16 is connected with one end of the water inlet pipe 14, the other end of the water inlet pipe 14 is provided with the water inlet 12, the side wall of the water inlet pipe 14 is connected with one end of the water diversion tank 11, the water diversion tank 11 is communicated with the water inlet pipe 14, and the diaphragm pump inlet is connected with the other end of the water diversion tank 11 through a pipeline 15.
Further, the transmission mechanism is a belt transmission mechanism 5, the belt transmission mechanism 5 comprises two belt pulleys, a belt is connected between the two belt pulleys, one belt pulley is connected with the centrifugal pump spindle 6, and the other belt pulley is connected with the diaphragm pump spindle 3 through the transmission shaft 4.
Further, the driving device is an electric motor or a diesel engine.
Further, a valve 9 is disposed on the pipe 15.
Further, a bracket 7 is arranged at the bottom of the centrifugal pump body 8.
Specifically, the centrifugal pump, the diaphragm pump, the water inlet pipe 14, the water diversion tank 11, the driving device, the impeller mechanism 13, the diaphragm mechanism 2, the transmission mechanism and the like in this embodiment all adopt the known schemes in the prior art, and those skilled in the art will understand the schemes and will not be described herein.
The working principle of the utility model is as follows: when the centrifugal pump is in operation, the water inlet 12 is connected with a water source, the driving device drives the centrifugal pump spindle 6 to rotate and drives the impeller mechanism 13 to operate, meanwhile, the centrifugal pump spindle 6 drives the diaphragm pump spindle 3 to rotate through the belt pulley and the belt, the diaphragms of the diaphragm mechanism 2 are driven to reciprocate to operate, air in the water diversion tank 11 and the water inlet pipe 14 is discharged through the reciprocating motion of the diaphragms, the air is discharged from the diaphragm pump, vacuum is formed in the water diversion tank 11 and the water inlet pipe 14 after the air is discharged, due to the difference of the internal and external atmospheric pressure, the water source sends water into the water inlet pipe 14 through the water inlet 12 and fills the water inlet pipe 14, then the impeller mechanism 13 of the centrifugal pump pumps water in the water inlet pipe 14 out of the centrifugal pump outlet 10, after the water in the water inlet pipe 14 is pumped out, the water diversion tank 11 and the water inlet pipe 14 form a vacuum state again, the water source continues to convey the water in the water inlet pipe 14, and the centrifugal pump continues to pump water in the water inlet pipe 14.
In operation, a small amount of water flows from the pipe 15 through the diaphragm pump, but does not affect the outlet flow of the centrifugal pump. It is also possible to close the valve 9 after the diaphragm pump has been operated, preventing water from flowing out of the pipe 15 through the diaphragm pump.
According to the utility model, the centrifugal pump and the diaphragm pump are combined, the advantage of high self-priming height of the diaphragm pump is utilized to guide water into the centrifugal pump body 8, and flexible configuration of flow and lift is realized through the centrifugal pump, so that the advantages of large flow, wide range of choice of lift and high self-priming height of the diaphragm pump are combined, and the use requirements of occasions with high self-priming height and large flow are met.
Claims (5)
1. A combination self priming pump, characterized in that: the centrifugal pump comprises a centrifugal pump body, a centrifugal pump main shaft is arranged in the centrifugal pump body in a penetrating manner, a driving device is arranged on the outer side of the centrifugal pump body, the centrifugal pump main shaft is connected with a power output end of the driving device, an impeller mechanism is arranged in the centrifugal pump body and is connected with the centrifugal pump main shaft, a centrifugal pump water inlet and a centrifugal pump water outlet are arranged on the centrifugal pump body, the diaphragm pump comprises a diaphragm pump body, the diaphragm pump main shaft is arranged in the diaphragm pump body in a penetrating manner, a diaphragm mechanism is arranged in the diaphragm pump body and is connected with the diaphragm pump main shaft, and a diaphragm pump inlet and a diaphragm pump outlet are arranged on the diaphragm pump body; the diaphragm pump body is fixedly connected with the centrifugal pump body, the diaphragm pump main shaft is connected with the centrifugal pump main shaft through a transmission mechanism, the centrifugal pump water inlet is connected with one end of the water inlet pipe, the other end of the water inlet pipe is provided with a water inlet, the side wall of the water inlet pipe is connected with one end of the water diversion tank, the water diversion tank is communicated with the water inlet pipe, and the diaphragm pump inlet is connected with the other end of the water diversion tank through a pipeline.
2. A combination self priming pump as claimed in claim 1, wherein: the transmission mechanism is a belt transmission mechanism, the belt transmission mechanism comprises two belt pulleys, a belt is connected between the two belt pulleys, one belt pulley is connected with the main shaft of the centrifugal pump, and the other belt pulley is connected with the main shaft of the diaphragm pump through a transmission shaft.
3. A combination self priming pump as claimed in claim 1, wherein: the driving device is an electric motor or a diesel engine.
4. A combination self priming pump as claimed in claim 1, wherein: and a valve is arranged on the pipeline.
5. A combination self priming pump as claimed in claim 1, wherein: and a bracket is arranged at the bottom of the centrifugal pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323076735.6U CN221033153U (en) | 2023-11-15 | 2023-11-15 | Combined self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323076735.6U CN221033153U (en) | 2023-11-15 | 2023-11-15 | Combined self-priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033153U true CN221033153U (en) | 2024-05-28 |
Family
ID=91181211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323076735.6U Active CN221033153U (en) | 2023-11-15 | 2023-11-15 | Combined self-priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033153U (en) |
-
2023
- 2023-11-15 CN CN202323076735.6U patent/CN221033153U/en active Active
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