CN213574635U - Improved vertical multi-stage centrifugal pump - Google Patents
Improved vertical multi-stage centrifugal pump Download PDFInfo
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- CN213574635U CN213574635U CN202022347167.9U CN202022347167U CN213574635U CN 213574635 U CN213574635 U CN 213574635U CN 202022347167 U CN202022347167 U CN 202022347167U CN 213574635 U CN213574635 U CN 213574635U
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- water inlet
- pump
- shell
- outlet pipe
- bracket
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Abstract
The utility model discloses an improved vertical multistage centrifugal pump, which comprises a motor part, a working part, a water inlet and outlet pipe part and a base from top to bottom; the motor part comprises a motor and a control box arranged on the motor; the working part comprises a coupling shell and a pump body shell; a vertical coupler is arranged in the coupler shell, and a power output shaft of the motor is in transmission connection with the coupler; an upper bearing seat and a lower bearing seat are installed in the pump body shell, a pump shaft is installed between the upper bearing seat and the lower bearing seat, and a first-stage short shaft sleeve, a plurality of middle short shaft sleeves and a last-stage short shaft sleeve are installed on the pump shaft from top to bottom; each stub shaft sleeve is provided with an impeller. The utility model discloses a vertical structure, and adopt the mode of going out under advancing, be convenient for install and maintain, also convenient to detach, simultaneously, the utility model discloses centrifugal force increases, and the effect of absorbing water improves greatly, has realized energy-efficient effect, and the design of access hole makes to overhaul convenient and reliable.
Description
Technical Field
The utility model belongs to the centrifugal pump field, more specifically say, relate to a vertical multistage centrifugal pump of modified.
Background
The multistage centrifugal pump is a mechanical device capable of conveying tap water to industrial liquid, and has the characteristics of compact integral structure, small volume, light weight, low noise, remarkable energy-saving effect, convenience in maintenance and the like.
Go into under traditional vertical multistage centrifugal pump and go up out, be not convenient for install the pipeline and be not convenient for dismantle when overhauing the water pump.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide a vertical multistage centrifugal pump of modified to solve the defect of current technique.
The utility model provides a vertical multistage centrifugal pump of modified which characterized in that: the water inlet and outlet pipe comprises a motor part, a working part, a water inlet and outlet pipe part and a base from top to bottom; the motor part comprises a motor and a control box arranged on the motor; the working part comprises a coupling shell and a pump body shell; a vertical coupler is arranged in the coupler shell, and a power output shaft of the motor is in transmission connection with the coupler; an upper bearing seat and a lower bearing seat are installed in the pump body shell, a pump shaft is installed between the upper bearing seat and the lower bearing seat, and a first-stage short shaft sleeve, a plurality of middle short shaft sleeves and a last-stage short shaft sleeve are installed on the pump shaft from top to bottom; each short shaft sleeve is provided with an impeller; the water inlet and outlet pipe part comprises a water inlet and outlet pipe arranged at the lower end of the pump body shell, one end of the water inlet and outlet pipe is provided with a water inlet flange, and the other end of the water inlet and outlet pipe is provided with a water outlet flange; the lower end of the pump shaft shell is communicated with a water inlet and outlet pipe, a water inlet is formed between the pump shaft shell and the water inlet and outlet pipe close to one side of the water inlet flange, and a water outlet is formed between the pump shaft shell and the water inlet and outlet pipe close to one side of the water outlet flange; a first bracket is arranged on the water inlet, a first baffle is arranged on the first bracket, and the first baffle is arranged at the lower end of the pump shaft; and a first check ring is arranged between the first baffle and the impeller adjacent to the upper part.
According to the optimized scheme, an intermediate bracket is arranged on the periphery of an impeller arranged on the intermediate short shaft sleeve, a turned edge is arranged at the lower end of the intermediate bracket and connected to the first bracket or the adjacent intermediate bracket below the first bracket; and a middle baffle is arranged on the middle bracket, and a middle check ring is arranged between the middle baffle and the impeller adjacent to the upper part.
According to the optimized scheme, a final stage support is arranged on the periphery of an impeller arranged on a final stage short shaft sleeve, a turned edge is arranged at the lower end of the final stage support and connected to an adjacent middle support below the turned edge; and a mechanical sealing structure is arranged between the last-stage support and the upper part of the pump shaft, and a mechanical sealing gland is arranged on the mechanical sealing structure.
According to the optimized scheme, 1-2 air release valves are installed at the upper end of the pump body shell.
According to the optimized scheme, an access hole is formed in the base shell.
Owing to adopted above-mentioned technical scheme, compare with prior art, the beneficial effects of the utility model are that:
the utility model discloses a vertical structure, and adopt the mode of going out under advancing, be convenient for install and maintain, also convenient to detach, simultaneously, the utility model discloses centrifugal force increases, and the effect of absorbing water improves greatly, has realized energy-efficient effect, and the design of access hole makes to overhaul convenient and reliable.
The utility model discloses an application range is wide, can effectively improve the performance and the life of pump. The utility model discloses a business turn over water pipe and flange assemble for it is more convenient to install and dismantle, the overall structure of the pump of simplifying.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic view of an internal structure of an embodiment of the present invention;
fig. 2 is a schematic diagram of an external structure according to an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1-2, the improved vertical multistage centrifugal pump comprises a motor part, a working part, a water inlet pipe part, a water outlet pipe part and a base 3 from top to bottom.
The motor part includes a motor 10 and a control box 24 provided on the motor 10.
The working part comprises a coupling housing 8 and a pump body housing 18. A vertical coupler 9 is arranged in the coupler shell 8, and a power output shaft of the motor 10 is in transmission connection with the coupler 9. An upper bearing seat and a lower bearing seat are installed in the pump body shell, a pump shaft 6 is installed between the upper bearing seat and the lower bearing seat, and a first-stage short shaft sleeve, a plurality of middle short shaft sleeves 15 and a last-stage short shaft sleeve are installed on the pump shaft 6 from top to bottom. Each stub shaft housing is fitted with an impeller 13. The number of the impellers 13 can be determined by actual needs, and the embodiment adopts an example of one impeller. Other variations in the number of impellers are within the scope of this patent.
The water inlet and outlet pipe part comprises a water inlet and outlet pipe 4 arranged at the lower end of the pump body shell, a water inlet flange 5 is arranged at one end of the water inlet and outlet pipe 4, and a water outlet flange 19 is arranged at the other end of the water inlet and outlet pipe. The lower extreme intercommunication business turn over water pipe of pump shaft shell, and be provided with water inlet 2 between pump shaft shell and the business turn over water pipe that is close to water inlet flange one side, be provided with delivery port 22 between pump shaft shell and the business turn over water pipe that is close to water outlet flange one side.
A first support 23 is arranged on the water inlet, a first baffle 21 is arranged on the first support 23, and the first baffle 21 is arranged at the lower end of the pump shaft 6. A first retainer ring 20 is arranged between the first baffle plate 21 and the adjacent impeller above. The periphery of the impeller arranged on the middle short shaft sleeve 15 is provided with a middle bracket 17, the lower end of the middle bracket 17 is provided with a turned edge, and the turned edge is connected with the first bracket or the middle bracket adjacent below. And a middle baffle 16 is arranged on the middle bracket 17, and a middle retainer ring 14 is arranged between the middle baffle 16 and the adjacent impeller above. The periphery of the impeller arranged on the final stage short shaft sleeve is provided with a final stage support, the lower end of the final stage support is provided with a turned edge, and the turned edge is connected to the adjacent middle support below the final stage support. A mechanical sealing structure 12 is arranged between the last-stage support and the upper part of the pump shaft, and a mechanical sealing gland 11 is arranged on the mechanical sealing structure 12.
And 1-2 air release valves 7 are arranged at the upper end of the pump body shell. And the base shell is provided with an access hole 1.
The utility model discloses a vertical structure, and adopt the mode of going out under advancing, be convenient for install and maintain, also convenient to detach, simultaneously, the utility model discloses centrifugal force increases, and the effect of absorbing water improves greatly, has realized energy-efficient effect, and the design of access hole makes to overhaul convenient and reliable.
The utility model discloses an application range is wide, can effectively improve the performance and the life of pump. The utility model discloses a business turn over water pipe and flange assemble for it is more convenient to install and dismantle, the overall structure of the pump of simplifying.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a vertical multistage centrifugal pump of modified which characterized in that: the water inlet and outlet pipe comprises a motor part, a working part, a water inlet and outlet pipe part and a base from top to bottom;
the motor part comprises a motor and a control box arranged on the motor;
the working part comprises a coupling shell and a pump body shell; a vertical coupler is arranged in the coupler shell, and a power output shaft of the motor is in transmission connection with the coupler; an upper bearing seat and a lower bearing seat are installed in the pump body shell, a pump shaft is installed between the upper bearing seat and the lower bearing seat, and a first-stage short shaft sleeve, a plurality of middle short shaft sleeves and a last-stage short shaft sleeve are installed on the pump shaft from top to bottom; each short shaft sleeve is provided with an impeller;
the water inlet and outlet pipe part comprises a water inlet and outlet pipe arranged at the lower end of the pump body shell, one end of the water inlet and outlet pipe is provided with a water inlet flange, and the other end of the water inlet and outlet pipe is provided with a water outlet flange; the lower end of the pump shaft shell is communicated with a water inlet and outlet pipe, a water inlet is formed between the pump shaft shell and the water inlet and outlet pipe close to one side of the water inlet flange, and a water outlet is formed between the pump shaft shell and the water inlet and outlet pipe close to one side of the water outlet flange;
a first bracket is arranged on the water inlet, a first baffle is arranged on the first bracket, and the first baffle is arranged at the lower end of the pump shaft; and a first check ring is arranged between the first baffle and the impeller adjacent to the upper part.
2. The improved vertical multistage centrifugal pump of claim 1 wherein: the periphery of the impeller arranged on the middle short shaft sleeve is provided with a middle bracket, the lower end of the middle bracket is provided with a turned edge, and the turned edge is connected to the first bracket or the adjacent middle bracket below the first bracket; and a middle baffle is arranged on the middle bracket, and a middle check ring is arranged between the middle baffle and the impeller adjacent to the upper part.
3. An improved vertical multistage centrifugal pump as set forth in claim 2, wherein: a final stage bracket is arranged on the periphery of the impeller arranged on the final stage short shaft sleeve, and a turned edge is arranged at the lower end of the final stage bracket and connected to the adjacent middle bracket below the turned edge; and a mechanical sealing structure is arranged between the last-stage support and the upper part of the pump shaft, and a mechanical sealing gland is arranged on the mechanical sealing structure.
4. An improved vertical multistage centrifugal pump according to claim 3, wherein: and 1-2 air release valves are arranged at the upper end of the pump body shell.
5. An improved vertical multistage centrifugal pump according to claim 4, wherein: and the base shell is provided with an access hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347167.9U CN213574635U (en) | 2020-10-20 | 2020-10-20 | Improved vertical multi-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347167.9U CN213574635U (en) | 2020-10-20 | 2020-10-20 | Improved vertical multi-stage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213574635U true CN213574635U (en) | 2021-06-29 |
Family
ID=76526361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022347167.9U Active CN213574635U (en) | 2020-10-20 | 2020-10-20 | Improved vertical multi-stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213574635U (en) |
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2020
- 2020-10-20 CN CN202022347167.9U patent/CN213574635U/en active Active
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