CN220581285U - Submersible pump with cooling function - Google Patents
Submersible pump with cooling function Download PDFInfo
- Publication number
- CN220581285U CN220581285U CN202322078331.4U CN202322078331U CN220581285U CN 220581285 U CN220581285 U CN 220581285U CN 202322078331 U CN202322078331 U CN 202322078331U CN 220581285 U CN220581285 U CN 220581285U
- Authority
- CN
- China
- Prior art keywords
- cooling
- pump
- driving motor
- pump cover
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 66
- 238000007789 sealing Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 66
- 230000000694 effects Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 23
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 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
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a submersible pump with a cooling function, and relates to the technical field of submersible pumps, comprising a pump body; the top of the pump body is connected with a pump cover, and the inner top of the pump body is provided with a sealing ring body which is connected with the pump cover in a matching way; a driving motor is connected above the pump cover, a driving impeller is arranged inside the pump body, and the driving impeller is connected with a main shaft end of the driving motor; one side of the driving impeller, which is close to the pump cover, is connected with a matching circular ring, and a depressurization gap is arranged between the matching circular ring and the sealing ring body; and a cooling flow passage is formed in the pump cover. A depressurization gap is arranged between a matched circular ring arranged on the driving impeller and a sealing ring body connected with the pump cover, the depressurization gap is convenient for a part of liquid driven by the driving impeller to pass through, and then the liquid enters a cooling cavity of a driving motor shell through a cooling flow passage, so that heat generated during operation of the driving motor is conveniently absorbed and taken away, and the driving motor is convenient for heat dissipation and cooling.
Description
Technical Field
The utility model relates to the technical field of submersible pumps, in particular to a submersible pump with a cooling function.
Background
The submersible pump is an important device for lifting water from a deep well, and when the submersible pump is used, the whole unit is immersed into water to work, and the underground water is extracted to the ground surface, so that the submersible pump is a device for running domestic water, mine rescue, industrial cooling, farm irrigation, seawater lifting and ship adjustment, and can be used for fountain landscapes;
the existing submersible pump comprises a driving motor, an impeller and a pump body, wherein the impeller is connected with a main shaft of the driving motor, and is positioned in the pump body, and the driving motor drives the impeller to rotate, so that the impeller drives liquid to flow at a certain flow speed, and liquid conveying is realized;
the existing submersible pump has the following defects: the existing submersible pump motor can generate heat in the running process, and the submersible pump motor generally needs to be sealed in the corresponding shell for achieving the waterproof effect, and the generated heat is conducted only by materials, so that the heat generated by the internal elements of the motor in the running process is inconvenient to transfer away quickly.
Disclosure of Invention
The utility model aims to provide a submersible pump with a cooling function, so as to solve the technical problem that a driving motor of the submersible pump in the prior art is inconvenient to cool rapidly.
The technical problems to be solved by the utility model can be realized by the following technical scheme:
the submersible pump with the cooling function comprises a pump body, wherein the bottom of the pump body is connected with a water inlet pipe end, and one side of the pump body is connected with a water outlet pipe end; the top of the pump body is connected with a pump cover, and the inner top of the pump body is provided with a sealing ring body which is connected with the pump cover in a matching way; the upper part of the pump cover is connected with a driving motor, the main shaft end of the driving motor penetrates through the pump cover, a driving impeller is arranged in the pump body, and the driving impeller is connected with the main shaft end of the driving motor;
one side of the driving impeller, which is close to the pump cover, is connected with a matching circular ring, and a depressurization gap is arranged between the matching circular ring and the sealing ring body; the pump cover is provided with a cooling flow passage, the shell of the driving motor is provided with a cooling cavity, one end of the cooling flow passage is communicated with the space where the depressurization gap is located, and the other end of the cooling flow passage is communicated with the cooling cavity; a water outlet is formed in the side surface of the top of the shell of the driving motor, and the water outlet is communicated with the cooling cavity; a water return pipe is connected between the water outlet and the water inlet pipe end.
As a further scheme of the utility model: a plurality of cooling fins are uniformly distributed on the side wall of the shell of the driving motor, one end of each cooling fin is positioned outside the driving motor, and the other end of each cooling fin is inserted into the cooling cavity.
As a further scheme of the utility model: the water outlets are arranged in a plurality, and the water outlets are distributed around the driving motor at equal intervals.
As a further scheme of the utility model: the water return pipe is a copper pipe.
As a further scheme of the utility model: one end of the water return pipe close to the water inlet pipe end is connected with a one-way valve.
As a further scheme of the utility model: the water inlet pipe end and the water outlet pipe end are both horn-shaped.
The utility model has the beneficial effects that:
1. a depressurization gap is arranged between a matched circular ring arranged on the driving impeller and a sealing ring body connected with the pump cover, the depressurization gap is convenient for a part of liquid driven by the driving impeller to pass through, and then the liquid enters a cooling cavity of a driving motor shell through a cooling flow passage arranged at a certain flow rate, so that the heat emitted by the internal element of the driving motor during operation is conveniently and rapidly absorbed and taken away, and the heat dissipation and cooling of the driving motor are conveniently accelerated;
2. when a part of liquid passes through the depressurization gap, the axial pressure of the liquid to the driving impeller can be effectively reduced, so that the mechanical loss is reduced conveniently, and the service life is prolonged.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the mating connection of the mating ring, seal ring and pump cover of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A;
fig. 4 is an enlarged schematic view of the structure at B in fig. 1.
In the figure: 1. a pump body; 2. a water inlet pipe end; 3. a water return pipe; 4. a one-way valve; 5. a cooling flow passage; 6. a depressurization gap; 7. a driving motor; 8. a water outlet pipe end; 9. driving the impeller; 10. a heat sink; 11. a cooling cavity; 12. a water outlet; 13. matching with a circular ring; 14. a seal ring body; 15. and a pump cover.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, the submersible pump with the cooling effect comprises a pump body 1, wherein the bottom of the pump body 1 is connected with a water inlet pipe end 2, one side of the pump body 1 is connected with a water outlet pipe end 8, and the water inlet pipe end 2 and the water outlet pipe end 8 are both horn-shaped, so that water flow is convenient to convey; the top of the pump body 1 is connected with a pump cover 15, the inner top of the pump body 1 is provided with a sealing ring body 14 which is matched and connected with the pump cover 15, and the sealing ring body 14 is used for ensuring the sealing of the installation position of the pump cover 15 and avoiding leakage; the upper part of the pump cover 15 is connected with a driving motor 7, the main shaft end of the driving motor 7 penetrates through the pump cover 15 and extends into the pump body 1, a driving impeller 9 is arranged in the pump body 1, the driving impeller 9 is connected with the main shaft end of the driving motor 7, and the main shaft end of the driving motor 7 drives the driving impeller 9 to rotate, so that the driving impeller 9 drives the liquid at the water inlet pipe end 2 to be discharged from the water outlet pipe end 8 at a certain flow rate;
one side of the driving impeller 9, which is close to the pump cover 15, is connected with a matching circular ring 13, a depressurization gap 6 is arranged between the matching circular ring 13 and the sealing ring body 14, when the driving impeller 9 drives liquid to flow, a part of liquid can pass through the depressurization gap 6, so that the axial pressure applied to the driving impeller 9 is reduced when the driving impeller 9 works, the mechanical loss is reduced conveniently, and the service life is prolonged;
the pump cover 15 is provided with a cooling flow passage 5, the shell of the driving motor 7 is provided with a cooling cavity 11, one end of the cooling flow passage 5 is communicated with the space where the depressurization gap 6 is located, the other end of the cooling flow passage is communicated with the cooling cavity 11, and liquid passing through the depressurization gap 6 can enter the cooling cavity 11 through the cooling flow passage 5, so that heat generated during operation of internal elements of the driving motor 7 is conveniently absorbed, and a heat dissipation effect is conveniently realized;
a plurality of cooling fins 10 are uniformly distributed on the side wall of the shell of the driving motor 7, one end of each cooling fin 10 is positioned outside the driving motor 7, the other end of each cooling fin 10 is inserted into the cooling cavity 11, and the cooling fins 10 are convenient for promoting the cooling cavity 11 to radiate outwards and improving the cooling effect of the driving motor 7;
the side surface of the top of the shell of the driving motor 7 is provided with a plurality of water outlets 12, the water outlets 12 are distributed around the driving motor 7 at equal intervals, the water outlets 12 are communicated with the cooling cavity 11, and the water outlets 12 facilitate the liquid level in the cooling cavity 11 to be discharged after reaching a certain height so as to bring out absorbed heat;
a water return pipe 3 is connected between the water outlet 12 and the water inlet pipe end 2, when the liquid in the cooling cavity 11 is discharged from the water outlet 12, the liquid can flow to the water inlet pipe end 2 through the water return pipe 3, so that the liquid can conveniently return to the pump body 1 to flow away, and the water return pipe 3 can prevent the water outlet 12 from being directly communicated with the external environment and being easily blocked by sundries to influence the use; the water return pipe 3 is a copper pipe, so that the absorbed heat is conveniently dissipated by the liquid discharged from the cooling cavity 11; one end of the water return pipe 3, which is close to the water inlet pipe end 2, is connected with a one-way valve 4, and the one-way valve 4 enables water flow to flow from the water return pipe 3 into the water inlet pipe end 2 only and cannot flow from the water inlet pipe end 2 into the water return pipe 3.
The working principle of the utility model is as follows: the main shaft end of the driving motor 7 drives the driving impeller 9 to rotate, so that the driving impeller 9 drives the liquid at the water inlet pipe end 2 to be discharged from the water outlet pipe end 8 at a certain flow rate; when the impeller 9 is driven to drive liquid to flow, a part of liquid can pass through the depressurization gap 6, so that when the impeller 9 is driven to work, the axial pressure applied to the impeller is reduced, the mechanical loss is reduced, and the service life is prolonged;
meanwhile, liquid passing through the depressurization gap 6 can enter the cooling cavity 11 through the cooling flow channel 5, heat generated during operation of internal elements of the driving motor 7 is conveniently absorbed so as to achieve a heat dissipation effect, the liquid level in the cooling cavity 11 reaches a certain height and is discharged from the water outlet 12, absorbed heat is conveniently brought, the discharged liquid flows to the water inlet pipe end 2 along the water return pipe 3 and conveniently returns to the pump body 1 to flow away, the water return pipe 3 can avoid the water outlet 12 to be directly communicated with the external environment so as to be easily blocked by sundries, the use is influenced, and meanwhile, heat dissipation can be promoted by the cooling fins 10 distributed on the shell of the driving motor 7 and the water return pipe 3 made of copper so as to facilitate cooling of the driving motor 7.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (6)
1. The submersible pump with the cooling function comprises a pump body (1), wherein the bottom of the pump body (1) is connected with a water inlet pipe end (2), and one side of the pump body (1) is connected with a water outlet pipe end (8); the top of the pump body (1) is connected with a pump cover (15), and the inner top of the pump body (1) is provided with a sealing ring body (14) which is matched and connected with the pump cover (15); the upper part of the pump cover (15) is connected with a driving motor (7), the main shaft end of the driving motor (7) penetrates through the pump cover (15), a driving impeller (9) is arranged in the pump body (1), and the driving impeller (9) is connected with the main shaft end of the driving motor (7); the method is characterized in that:
one side of the driving impeller (9) close to the pump cover (15) is connected with a matching circular ring (13), and a depressurization gap (6) is arranged between the matching circular ring (13) and the sealing ring body (14); a cooling flow passage (5) is formed in the pump cover (15), a cooling cavity (11) is formed in the shell of the driving motor (7), one end of the cooling flow passage (5) is communicated with the space where the depressurization gap (6) is located, and the other end of the cooling flow passage is communicated with the cooling cavity (11); a water outlet (12) is formed in the side surface of the top of the shell of the driving motor (7), and the water outlet (12) is communicated with the cooling cavity (11); a water return pipe (3) is connected between the water outlet (12) and the water inlet pipe end (2).
2. The submersible pump with the cooling function according to claim 1, wherein a plurality of cooling fins (10) are uniformly distributed on the side wall of the shell of the driving motor (7), one end of each cooling fin (10) is positioned outside the driving motor (7), and the other end of each cooling fin is inserted into the cooling cavity (11).
3. A submersible pump with cooling effect according to claim 1, characterized in that the water outlet openings (12) are provided in a plurality, and that a plurality of the water outlet openings (12) are equally distributed around the drive motor (7).
4. A submersible pump with cooling effect according to claim 1, characterized in that the return pipe (3) is a copper pipe.
5. A submersible pump with cooling effect according to claim 1, characterized in that the end of the return pipe (3) close to the inlet pipe end (2) is connected with a non-return valve (4).
6. A submersible pump with cooling effect according to claim 1, characterized in that both the inlet pipe end (2) and the outlet pipe end (8) are horn-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078331.4U CN220581285U (en) | 2023-08-03 | 2023-08-03 | Submersible pump with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078331.4U CN220581285U (en) | 2023-08-03 | 2023-08-03 | Submersible pump with cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581285U true CN220581285U (en) | 2024-03-12 |
Family
ID=90107382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322078331.4U Active CN220581285U (en) | 2023-08-03 | 2023-08-03 | Submersible pump with cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581285U (en) |
-
2023
- 2023-08-03 CN CN202322078331.4U patent/CN220581285U/en active Active
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