CN213540720U - Novel double-blade vertical multistage centrifugal pump - Google Patents
Novel double-blade vertical multistage centrifugal pump Download PDFInfo
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- CN213540720U CN213540720U CN202022346955.6U CN202022346955U CN213540720U CN 213540720 U CN213540720 U CN 213540720U CN 202022346955 U CN202022346955 U CN 202022346955U CN 213540720 U CN213540720 U CN 213540720U
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- impeller
- outlet pipe
- shaft
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000009957 hemming Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Abstract
The utility model discloses a novel double-blade 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 is installed in the pump body shell, a lower bearing seat is arranged in the water inlet and outlet pipe portion, a pump shaft is installed between the upper bearing seat and the lower bearing seat, and a plurality of groups of impeller sets are installed on the pump shaft from top to bottom. The utility model discloses a vertical structure, and the mode of impeller combination forms a whole arc impeller about adopting, and 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 novel vertical multistage centrifugal pump of bilobed piece.
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.
The traditional vertical multistage centrifugal pump is inconvenient to install pipelines and disassemble when a water pump is overhauled; the traditional vertical multi-stage pump is not provided with a sealing element at the top of the pump, so that the efficiency of the pump is reduced; traditional multistage pump is for processing convenience, generally passes through the impeller to be connected with the pump shaft through the sleeve, and after vertical multistage centrifugal pump used for a long time, the not hard up condition often can take place for the impeller, influences vertical multistage centrifugal pump's availability factor for the use cost of pump is higher.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a novel vertical multistage centrifugal pump of bilobed piece to solve the defect of current technique.
The utility model provides a novel vertical multistage centrifugal pump of bilobed blade 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 is installed in the pump body shell, a lower bearing seat is arranged in the water inlet and outlet pipe part, a pump shaft is installed between the upper bearing seat and the lower bearing seat, and a plurality of groups of impeller groups are installed on the pump shaft from top to bottom; 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 pipe and a water outlet pipe.
According to the optimized scheme, the impeller set comprises an upper shaft sleeve and a lower shaft sleeve which are arranged on a pump shaft; the upper shaft sleeve is provided with a plurality of upper impellers, the lower shaft sleeve is provided with a plurality of lower impellers, the upper impellers and the lower impellers correspond to each other one by one, and the corresponding upper impellers and the corresponding lower impellers form a finished circular arc.
In an optimized scheme, the upper impeller accounts for 1/2-3/4 of the whole circular arc; the lower impeller accounts for 1/4-1/2 of the whole circular arc.
In an optimized scheme, the number of the upper impellers and the lower impellers is 2-36.
According to the optimized scheme, the upper shaft sleeve comprises an upper shaft sleeve body sleeved on the pump shaft, and an upper hemming frame is arranged at the connecting position between the upper shaft sleeve body and the upper impeller.
According to the optimized scheme, the lower shaft sleeve comprises a conical sleeve which is wide at the upper part and narrow at the lower part, and a wedge-shaped sleeve is arranged between the upper part of the conical sleeve and the pump shaft; and the upper parts of the conical sleeve and the wedge-shaped sleeve are provided with press covers sleeved on the pump shaft.
According to the optimized scheme, the upper end of the pump body shell is provided with a cover body through a bolt, and the cover body is provided with a release valve.
According to the optimized scheme, an access hole is formed in the coupler 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 the mode of impeller combination forms a whole arc impeller about adopting, and 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 impeller passes through the axle sleeve and upper and lower guard plate and the combined action of middle support frame for the installation is more convenient with the dismantlement, has promoted the performance of product, and not hard up condition can not appear yet in the long-time use of impeller, thereby increases the joint strength of impeller and pump shaft and the bulk strength of impeller.
The utility model discloses a business turn over water pipe and flange assemble for it is more convenient to install and dismantle, and the overall structure of the pump of simplifying, and business turn over water pipe in the lower part, makes production, the efficiency of dress water pump can both improve, has reduced the manufacturing cost of centrifugal pump.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of an internal structure according to an embodiment of the present invention.
Detailed Description
Examples
As shown in figure 1, the novel double-blade vertical multistage centrifugal pump comprises a motor part, a working part, a water inlet pipe part, a water outlet pipe part and a base 8 from top to bottom.
The motor part comprises a motor 1 and a control box arranged on the motor.
The working part comprises a coupling housing 3 and a pump body housing 12. A vertical coupler 2 is arranged in the coupler shell 3, and a power output shaft of the motor 1 is in transmission connection with the coupler 2. An upper bearing seat is installed in the pump body shell 12, a lower bearing seat 9 is arranged in the water inlet and outlet pipe portion, a pump shaft 11 is installed between the upper bearing seat and the lower bearing seat 9, and a plurality of groups of impeller sets are installed on the pump shaft 11 from top to bottom. The impeller assembly comprises an upper shaft sleeve and a lower shaft sleeve which are arranged on the pump shaft. The upper shaft sleeve is provided with a plurality of upper impellers 18, the lower shaft sleeve is provided with a plurality of lower impellers 16, the upper impellers 18 and the lower impellers 16 are in one-to-one correspondence, and the corresponding upper impellers 18 and the corresponding lower impellers 16 form a complete circular arc. In an optimized scheme, the upper impeller accounts for 1/2-3/4 of the whole circular arc; the lower impeller accounts for 1/4-1/2 of the whole circular arc. The number of the upper impeller and the lower impeller is 2-36. The upper shaft sleeve comprises an upper shaft sleeve body 19 sleeved on the pump shaft, and an upper hemming frame 17 is arranged at the joint between the upper shaft sleeve body and the upper impeller. The lower shaft sleeve comprises a conical sleeve 13 which is conical and wide at the upper part and narrow at the lower part, and a wedge-shaped sleeve 14 is arranged between the upper part of the conical sleeve 13 and the pump shaft 11. And the upper parts of the conical sleeve 13 and the wedge-shaped sleeve 14 are provided with a gland 15 sleeved on the pump shaft.
The water inlet and outlet pipe part comprises a water inlet and outlet pipe arranged at the lower end of the pump body shell, a water inlet flange 7 is arranged at one end of the water inlet and outlet pipe, and a water outlet flange 10 is arranged at the other end of the water inlet and outlet pipe. The lower end of the pump shaft shell is communicated with a water inlet pipe and a water outlet pipe.
The upper end of the pump body shell is provided with a cover body through a bolt, and the cover body is provided with a release valve. And an access hole is formed in the coupling shell.
The utility model discloses a vertical structure, and the mode of impeller combination forms a whole arc impeller about adopting, and 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 impeller passes through the axle sleeve and upper and lower guard plate and the combined action of middle support frame for the installation is more convenient with the dismantlement, has promoted the performance of product, and not hard up condition can not appear yet in the long-time use of impeller, thereby increases the joint strength of impeller and pump shaft and the bulk strength of impeller.
The utility model discloses a business turn over water pipe and flange assemble for it is more convenient to install and dismantle, and the overall structure of the pump of simplifying, and business turn over water pipe in the lower part, makes production, the efficiency of dress water pump can both improve, has reduced the manufacturing cost of centrifugal pump.
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 (8)
1. The utility model provides a novel vertical multistage centrifugal pump of bilobed blade 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 is installed in the pump body shell, a lower bearing seat is arranged in the water inlet and outlet pipe part, a pump shaft is installed between the upper bearing seat and the lower bearing seat, and a plurality of groups of impeller groups are installed on the pump shaft from top to bottom;
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 pipe and a water outlet pipe.
2. The novel double-vane vertical multistage centrifugal pump as claimed in claim 1, characterized in that: the impeller set comprises an upper shaft sleeve and a lower shaft sleeve which are arranged on the pump shaft; the upper shaft sleeve is provided with a plurality of upper impellers, the lower shaft sleeve is provided with a plurality of lower impellers, the upper impellers and the lower impellers correspond to each other one by one, and the corresponding upper impellers and the corresponding lower impellers form a finished circular arc.
3. The novel double-vane vertical multistage centrifugal pump as claimed in claim 2, characterized in that: the upper impeller accounts for 1/2-3/4 of the whole circular arc; the lower impeller accounts for 1/4-1/2 of the whole circular arc.
4. The novel double-vane vertical multistage centrifugal pump as claimed in claim 3, characterized in that: the number of the upper impeller and the lower impeller is 2-36.
5. The novel double-vane vertical multistage centrifugal pump as claimed in claim 4, characterized in that: the upper shaft sleeve comprises an upper shaft sleeve body sleeved on the pump shaft, and an upper hemming frame is arranged at the joint between the upper shaft sleeve body and the upper impeller.
6. The novel double-vane vertical multistage centrifugal pump as claimed in claim 5, characterized in that: the lower shaft sleeve comprises a conical sleeve which is wide at the upper part and narrow at the lower part, and a wedge-shaped sleeve is arranged between the upper part of the conical sleeve and the pump shaft; and the upper parts of the conical sleeve and the wedge-shaped sleeve are provided with press covers sleeved on the pump shaft.
7. The novel double-vane vertical multistage centrifugal pump as claimed in claim 6, characterized in that: the upper end of the pump body shell is provided with a cover body through a bolt, and the cover body is provided with a release valve.
8. The novel double-vane vertical multistage centrifugal pump as claimed in claim 7, characterized in that: and an access hole is formed in the coupling shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022346955.6U CN213540720U (en) | 2020-10-20 | 2020-10-20 | Novel double-blade vertical multistage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022346955.6U CN213540720U (en) | 2020-10-20 | 2020-10-20 | Novel double-blade vertical multistage centrifugal pump |
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| Publication Number | Publication Date |
|---|---|
| CN213540720U true CN213540720U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022346955.6U Active CN213540720U (en) | 2020-10-20 | 2020-10-20 | Novel double-blade vertical multistage centrifugal pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278570A (en) * | 2022-02-07 | 2022-04-05 | 诺赛水泵系统(江苏)有限公司 | Vertical centrifugal pump and water supply system with same |
| RU227446U1 (en) * | 2024-05-31 | 2024-07-22 | Павел Олегович Нечаев | VERTICAL MULTI-SECTION CENTRIFUGAL PUMP |
-
2020
- 2020-10-20 CN CN202022346955.6U patent/CN213540720U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278570A (en) * | 2022-02-07 | 2022-04-05 | 诺赛水泵系统(江苏)有限公司 | Vertical centrifugal pump and water supply system with same |
| RU227446U1 (en) * | 2024-05-31 | 2024-07-22 | Павел Олегович Нечаев | VERTICAL MULTI-SECTION CENTRIFUGAL PUMP |
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