CN221003273U - Vertical multistage pump group - Google Patents
Vertical multistage pump group Download PDFInfo
- Publication number
- CN221003273U CN221003273U CN202323142009.XU CN202323142009U CN221003273U CN 221003273 U CN221003273 U CN 221003273U CN 202323142009 U CN202323142009 U CN 202323142009U CN 221003273 U CN221003273 U CN 221003273U
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- motor
- pump
- water outlet
- outlet pipe
- shell
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a vertical multistage pump set, which comprises a pump body and a motor component; a pump shaft is arranged in the pump body; an impeller and a guide vane body are respectively arranged on the pump shaft; a first water outlet pipe is arranged on the pump body; a pump cover is arranged on the pump body; the pump cover is provided with a second water outlet pipe; the motor component is mounted on the pump cover; the motor component is connected with the pump shaft through a shell-clamping coupler; the motor component is provided with a motor sealing cavity; a water inlet pipe is arranged on the pump cover; one end of the water inlet pipe is communicated with the pump body, and the other end of the water inlet pipe is communicated with the motor sealing cavity; the motor sealing cavity is connected with the second water outlet pipe through a third water outlet pipe; the second water outlet pipe is connected with the first water outlet pipe; the utility model has the characteristics of high efficiency, small vibration and low noise without arranging a cooling fan.
Description
Technical Field
The utility model relates to the technical field of pump structures, in particular to a vertical multistage pump set.
Background
At present, a light and small-sized vertical multi-stage pump set on the market is generally connected with a motor through a shell-and-clip coupling, and is vertically installed, wherein the motor adopts a conventional fan type cooling structure, and the structure has certain defects: when in operation, the fan can generate large noise and consume electric energy, thus causing high equipment energy consumption and high noise, and therefore, the vertical multistage pump set is needed to solve the technical problems.
Disclosure of utility model
The utility model aims to provide a vertical multistage pump set, which does not need to be provided with a cooling fan and has the characteristics of high efficiency, small vibration and low noise.
The utility model is realized by the following technical scheme:
A vertical multistage pump set comprises a pump body and a motor component; wherein: a pump shaft is arranged in the pump body; an impeller and a guide vane body are respectively arranged on the pump shaft; a first water outlet pipe is arranged on the pump body; a pump cover is arranged on the pump body; the pump cover is provided with a second water outlet pipe; the motor component is mounted on the pump cover; the motor component is connected with the pump shaft through a shell-clamping coupler; the motor component is provided with a motor sealing cavity; a water inlet pipe is arranged on the pump cover; one end of the water inlet pipe is communicated with the pump body, and the other end of the water inlet pipe is communicated with the motor sealing cavity; the motor sealing cavity is connected with the second water outlet pipe through a third water outlet pipe; the second water outlet pipe is connected with the first water outlet pipe.
The motor component comprises a motor main shaft, a motor shell, a motor upper cover, a motor stator, a motor rotor, a shell outer barrel and a motor lower cover; the motor shell, the outer shell of the shell, the motor upper cover and the motor lower cover form the motor sealing cavity; the motor stator is arranged on the inner side wall of the motor shell; the motor rotor is arranged on the motor main shaft; the motor main shaft is arranged in the middle of the motor shell; and the motor main shaft is connected with the pump shaft through the clamping shell coupler.
Further as an improvement of the technical scheme of the utility model, the motor upper cover is provided with an exhaust valve.
Further as an improvement of the technical scheme of the utility model, the motor main shaft is provided with a mechanical seal.
Further as an improvement of the technical scheme of the utility model, a sleeve is arranged on the outer side of the pump body.
Further as an improvement of the technical scheme of the utility model, the pump cover is fixed on the pump body through a pull rod.
Further as an improvement of the technical proposal of the utility model, the motor component is arranged on the pump cover through a connecting frame.
The utility model has the beneficial effects that:
The high-pressure water generated by the vertical multistage pump set enters the motor sealing cavity through the pump cover and the water inlet pipe, the water cools the motor, and the water flows into the inlet part of the pump body from the top through the third water outlet pipe, the second water outlet pipe and the first water outlet pipe, so that a circulation path is formed for cooling the motor; the vertical multistage pump set provided by the utility model does not need to be provided with a fan, and has the characteristics of high efficiency, small vibration and low noise.
Drawings
FIG. 1 is a schematic view of the internal structure of a vertical multi-stage pump set according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the internal structure of a pump body according to an embodiment of the present utility model;
fig. 3 is a schematic view of the internal structure of a motor component according to an embodiment of the present utility model.
In the accompanying drawings: 1-a pump body; 2-an impeller; 3-a guide vane body; 4-sleeve; 5-a pull rod; 6-a pump shaft; 7-a first water outlet pipe; 8-pump cover; 9-a second water outlet pipe; 10-a shell-in-a-clamp coupling; 11-a third water outlet pipe; 12-a motor housing; 13-an exhaust valve; 14-a motor upper cover; 15-a motor stator; 16-a motor rotor; 17-a shell outer cylinder; 18-a motor lower cover; 19-a water inlet pipe; 20-connecting frames; 21-mechanical sealing; 22-motor spindle.
Detailed Description
The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, which are illustrative embodiments and illustrations of the utility model, but are not to be construed as limiting the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, back, upper, lower, top, bottom … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture changes, the directional indicators correspondingly change.
In the present utility model, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first", "a second" may include at least one such feature, either explicitly or implicitly; in addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
As shown in fig. 1 to 3, a vertical multistage pump unit comprises a pump body 1 and a motor part; wherein: a pump shaft 6 is arranged in the pump body 1; the pump shaft 6 is respectively provided with an impeller 2 and a guide vane body 3; a first water outlet pipe 7 is arranged on the pump body 1; a pump cover 8 is arranged on the pump body 1; a second water outlet pipe 9 is arranged on the pump cover 8; the motor component is mounted on the pump cover 8; the motor component is connected with the pump shaft 6 through a shell-and-clip coupling; the motor component is provided with a motor sealing cavity; a water inlet pipe 19 is arranged on the pump cover 8; one end of the water inlet pipe 19 is communicated with the pump body 1, and the other end of the water inlet pipe is communicated with the motor sealing cavity; the motor sealing cavity is connected with the second water outlet pipe 9 through a third water outlet pipe 11; the second water outlet pipe 9 is connected with the first water outlet pipe 7. The high-pressure water generated by the pump body 1 enters a motor sealing cavity through the pump cover 8 and the water inlet pipe 19, the water cools the motor, and the water flows into the inlet part of the pump body 1 from the top through the third water outlet pipe 11, the second water outlet pipe 9 and the first water outlet pipe 7, so that a circulation path is formed for cooling the motor; the vertical multistage pump set provided by the utility model does not need to be provided with a fan, and has the characteristics of high efficiency, small vibration and low noise.
Specifically, in this embodiment, the motor components include a motor main shaft 22, a motor casing 12, a motor upper cover 14, a motor stator 15, a motor rotor 16, a housing outer cylinder 17 and a motor lower cover 18; the motor shell 12, the shell outer cylinder 17, the motor upper cover 14 and the motor lower cover 18 form the motor sealing cavity; the motor stator 15 is mounted on the inner side wall of the motor casing 12; the motor rotor 16 is mounted on the motor spindle 22; the motor main shaft 22 is arranged in the middle of the motor casing 12; the motor spindle 22 is connected to the pump shaft 6 via the cartridge coupling 10.
Specifically, in this embodiment, the motor upper cover 14 is provided with an exhaust valve 13.
Specifically, in this embodiment, the mechanical seal 21 is disposed on the motor spindle 22.
Specifically, in this embodiment, a sleeve 4 is disposed on the outer side of the pump body 1.
Specifically, in this embodiment, the pump cover 8 is fixed to the pump body 1 by a pull rod 5.
Specifically, in this embodiment, the motor component is mounted on the pump cover 8 through a coupling frame 20.
The vertical diode pump assembly process of the utility model comprises the following steps: the left side of the pump body 1 is a water inlet part, the right side is a water outlet part, a pump shaft 6, an impeller 2, a guide vane body 3, a water outlet pipe, an outer cylinder and a pump cover 8 are arranged on the water inlet part, and then the water inlet part and the water outlet part are fastened and fixed by a pull rod 5; a connecting frame 20 and a water outlet pipe are arranged on the pump cover 8; the coupling frame 20 is then fitted with motor components which are connected to the pump via the cartridge coupling 10. The pump cover 8 is provided with a threaded hole for installing the water inlet pipe 19, the water inlet pipe 19 is connected to the right side of the motor closed cavity, the left side of the motor closed cavity is provided with the third water outlet pipe 11, the lower end of the motor closed cavity is connected with the second water outlet pipe 9 to enter the pump cover 8, the lower end of the pump cover 8 is connected with the first water outlet pipe 7, and the water enters the inlet part of the pump through the pump body 1. During operation, high-pressure water generated by the pump body 1 enters the motor sealing cavity through the pump cover 8 and the water inlet pipe 19, the water cools the motor, and then the water flows into the inlet part of the pump body 1 from the top through the third water outlet pipe 11, the second water outlet pipe 9 and the first water outlet pipe 7, so that a circulation path is formed, and the motor is cooled. The vertical multistage pump set has the characteristics of high efficiency, small vibration and low noise because a fan is not needed.
The foregoing has described in detail the technical solutions provided by the embodiments of the present utility model, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present utility model, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present utility model; meanwhile, as for those skilled in the art, according to the embodiments of the present utility model, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present utility model.
Claims (7)
1. A vertical multistage pump set comprises a pump body and a motor component; the method is characterized in that: a pump shaft is arranged in the pump body; an impeller and a guide vane body are respectively arranged on the pump shaft; a first water outlet pipe is arranged on the pump body; a pump cover is arranged on the pump body; the pump cover is provided with a second water outlet pipe; the motor component is mounted on the pump cover; the motor component is connected with the pump shaft through a shell-clamping coupler; the motor component is provided with a motor sealing cavity; a water inlet pipe is arranged on the pump cover; one end of the water inlet pipe is communicated with the pump body, and the other end of the water inlet pipe is communicated with the motor sealing cavity; the motor sealing cavity is connected with the second water outlet pipe through a third water outlet pipe; the second water outlet pipe is connected with the first water outlet pipe.
2. A vertical multistage pump stack according to claim 1, characterized in that: the motor component comprises a motor main shaft, a motor shell, a motor upper cover, a motor stator, a motor rotor, a shell outer barrel and a motor lower cover; the motor shell, the outer shell of the shell, the motor upper cover and the motor lower cover form the motor sealing cavity; the motor stator is arranged on the inner side wall of the motor shell; the motor rotor is arranged on the motor main shaft; the motor main shaft is arranged in the middle of the motor shell; and the motor main shaft is connected with the pump shaft through the clamping shell coupler.
3. A vertical multistage pump stack according to claim 2, characterized in that: and an exhaust valve is arranged on the motor upper cover.
4. A vertical multistage pump stack according to claim 2, characterized in that: and a mechanical seal is arranged on the motor spindle.
5. A vertical multistage pump stack according to claim 1, characterized in that: and a sleeve is arranged on the outer side of the pump body.
6. A vertical multistage pump stack according to claim 1, characterized in that: the pump cover is fixed on the pump body through a pull rod.
7. A vertical multistage pump stack according to claim 1, characterized in that: the motor component is mounted on the pump cover through a connecting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323142009.XU CN221003273U (en) | 2023-11-21 | 2023-11-21 | Vertical multistage pump group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323142009.XU CN221003273U (en) | 2023-11-21 | 2023-11-21 | Vertical multistage pump group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221003273U true CN221003273U (en) | 2024-05-24 |
Family
ID=91113252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323142009.XU Active CN221003273U (en) | 2023-11-21 | 2023-11-21 | Vertical multistage pump group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221003273U (en) |
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2023
- 2023-11-21 CN CN202323142009.XU patent/CN221003273U/en active Active
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