CN208619373U - Multi-outlet centrifugal pump - Google Patents
Multi-outlet centrifugal pump Download PDFInfo
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- CN208619373U CN208619373U CN201821406965.0U CN201821406965U CN208619373U CN 208619373 U CN208619373 U CN 208619373U CN 201821406965 U CN201821406965 U CN 201821406965U CN 208619373 U CN208619373 U CN 208619373U
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- axis
- gland
- middle section
- centrifugal pump
- water
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Abstract
The utility model discloses a kind of multi-outlet centrifugal pumps, it includes that pump case, axis and multistage guide vane, the pump case successively have inlet segment, middle section and water exit end, and the water exit end is provided at least one water outlet being connected with the middle section；The axis is rotatably supported in pump case, and the axis is provided with multiple impellers along its axial direction on middle section, the position in middle section of the axis；Multistage guide vane is along the middle section that the axial direction of axis is juxtaposed on pump case.The utility model is provided with multiple water outlets, and each water outlet can connect corresponding water system, meets the flow and discharge pressure of multiple operating conditions.
Description
Technical field
The utility model relates to a kind of multi-outlet centrifugal pumps.
Background technique
Former multi-stage centrifugal pump only has 1 outlet, and separate unit water pump can meet a water system, realizes an operating condition
Flow and discharge pressure are unable to satisfy multiple water systems, there is the limitation used.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of multiple exit centrifugation
Pump, it is provided with multiple water outlets, and each water outlet can connect corresponding water system, meets the flow of multiple operating conditions and goes out
Water pressure.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is: a kind of multi-outlet centrifugal pump, it includes:
Pump case, the pump case successively have inlet segment, middle section and water exit end, and the water exit end is provided with to be connected with the middle section
At least one logical water outlet；
Axis, the axis are rotatably supported in pump case, and the axis runs through middle section, the position in middle section of the axis
On its axial direction is provided with multiple impellers；
The multistage and one-to-one guide vane of the impeller, multistage guide vane are juxtaposed on the middle section of pump case along the axial direction of axis
It is interior.
Further for the connection for facilitating external motor and pump, the one end of the axis is connected with shaft coupling.
A kind of specific structure of shell is further provided, the pump case includes main casing and two bearing bodies, an axis
The one end that body is connected to main casing is held, another bearing body is connected to the other end of main casing, two bearing body Nei Gean
Equipped with the rolling bearing for support shaft.
Further for preventing water from penetrating into rolling bearing, it is additionally provided with gland between each rolling bearing and main casing,
It is filled with filler between gland and axis, is further sleeved with its at least part on the guide vane teunnion and is caught between gland and guide vane teunnion
To compress the gland of filler.
Further, the gland is locked on gland by clamping screw.
Further, bolt is connected on the main casing, the free end of the bolt sequentially passes through gland and rolling bearing
Back spin is screwed with nut.
Further for further preventing water to penetrate into rolling bearing, oil sealing is additionally provided between the gland and axis.
After above-mentioned technical proposal, centrifugal pump before activation, makes full of water in pump case and suction hose, then starting is outer
Portion's motor makes axis impeller and water do high speed rotary motion, and water is thrown out of under the influence of centrifugal force, is flowed through down by guide vane
One impeller and guide vane, then the water exit end through pumping enter outlet pipeline, and entire pump chamber inside is formed centrifugal pump during the work time
Vacuum, the water in pond are pressed into pump case under the action of atmospheric pressure, are ceaselessly operated by pump shaft impeller, to reach
To the purpose of conveying water, the utility model is provided with multiple water outlets, and each water outlet can connect corresponding water system, root
The guide vane that different series are selected according to different operating conditions meets the flow and discharge pressure of multiple operating conditions, eliminates each water system
It must be individually equipped with the limitation of centrifugal pump, save resource.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the multi-outlet centrifugal pump of the utility model.
Specific embodiment
In order to make the content of the utility model be easier to be clearly understood, below according to specific example and in conjunction with attached drawing,
The utility model is described in further detail.
As shown in Figure 1, a kind of multi-outlet centrifugal pump, it includes:
Pump case, the pump case successively have inlet segment 1, middle section 2 and water exit end 3, and the water exit end 3 is provided with and the middle section
2 at least one water outlet 31 being connected；
Axis 5, the axis 5 are rotatably supported in pump case, and the axis 5 runs through middle section 2, and the axis is in middle section 2
Position on its axial direction is provided with multiple impellers；
The multistage and one-to-one guide vane 6 of the impeller, multistage guide vane 6 are juxtaposed in pump case along the axial direction of axis 5
In section.
As shown in Figure 1, the connection of external motor and pump for convenience, an end of the axis 5 is connected with shaft coupling 7.
As shown in Figure 1, the pump case includes main casing 81 and two bearing bodies, a bearing body is connected to main casing 81
One end, another bearing body are connected to the other end of main casing 81, are respectively equipped in two bearing bodies for support shaft 5
Rolling bearing 82.
As shown in Figure 1, water penetrates into rolling bearing 82 in order to prevent, also set between each rolling bearing 82 and main casing 81
It is equipped with gland 83, filler 91 is filled between gland 83 and axis 5, its at least part is further sleeved on the axis and is caught in gland
The gland 92 of filler 91 is compressed between 83 and axis 5.
As shown in Figure 1, the gland 92 is locked on gland 83 by clamping screw 10.
As shown in Figure 1, being connected with bolt 41 on the main casing 81, the free end of the bolt 41 sequentially passes through gland 83
Nut 42 is screwed with 82 back spin of rolling bearing.
As shown in Figure 1, being also set up between the gland 83 and axis 5 to further prevent water to penetrate into rolling bearing 82
There is oil sealing 93.
The working principle of the utility model is as follows:
Centrifugal pump before activation, makes then to start external motor full of water in pump case and suction hose, make 5 impeller of axis
High speed rotary motion is done with water, water is thrown out of under the influence of centrifugal force, next impeller and guide vane 6 are flowed through by guide vane 6, then
Water exit end 3 through pumping enters outlet pipeline, and entire pump chamber inside forms vacuum to centrifugal pump during the work time, and the water in pond exists
It is pressed into pump case under the action of atmospheric pressure, is ceaselessly operated by 5 impeller of axis, to achieve the purpose that convey water, this
Utility model is provided with multiple water outlets 31, and each water outlet 31 can connect corresponding water system, is selected according to different operating conditions
The guide vane 6 for selecting different series meets the flow and discharge pressure of multiple operating conditions, and eliminating each water system must individually be equipped with
The limitation of centrifugal pump, saves resource.
Particular embodiments described above, to the utility model solve the technical issues of, technical scheme and beneficial effects into
It has gone further description, it should be understood that the foregoing is merely specific embodiment of the utility model, and has not had to
In limitation the utility model, within the spirit and principle of the utility model, any modification, equivalent substitution and improvement done
Deng should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of multi-outlet centrifugal pump, which is characterized in that it includes:
Pump case, the pump case successively have inlet segment (1), middle section (2) and a water exit end (3), the water exit end (3) be provided with it is described
At least one water outlet (31) that middle section (2) is connected；
Axis (5), the axis (5) are rotatably supported in pump case, and the axis (5) runs through middle section (2), in being in of the axis
Its axial direction is provided with multiple impellers on the position of section (2)；
The multistage and one-to-one guide vane of the impeller (6), multistage guide vane (6) are juxtaposed on pump case along the axial direction of axis (5)
In middle section.
2. multi-outlet centrifugal pump according to claim 1, it is characterised in that: an end of the axis (5) is connected with connection
Axis device (7).
3. multi-outlet centrifugal pump according to claim 1, it is characterised in that: the pump case includes main casing (81) and two
Bearing body, a bearing body are connected to the one end of main casing (81), another bearing body is connected to the another of main casing (81)
End is respectively equipped with the rolling bearing (82) for support shaft (5) in two bearing bodies.
4. multi-outlet centrifugal pump according to claim 3, it is characterised in that: each rolling bearing (82) and main casing (81)
Between be additionally provided with gland (83), be filled with filler (91) between gland (83) and axis (5), be further sleeved with it extremely on the axis
Few a part is caught in the gland (92) that filler (91) are compressed between gland (83) and axis (5).
5. multi-outlet centrifugal pump according to claim 4, it is characterised in that: the gland (92) passes through clamping screw
(10) it is locked on gland (83).
6. multi-outlet centrifugal pump according to claim 4, it is characterised in that: be connected with bolt on the main casing (81)
(41), the free end of the bolt (41) sequentially passes through gland (83) and rolling bearing (82) back spin is screwed with nut (42).
7. multi-outlet centrifugal pump according to claim 4, it is characterised in that: also set between the gland (83) and axis (5)
It is equipped with oil sealing (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406965.0U CN208619373U (en) | 2018-08-29 | 2018-08-29 | Multi-outlet centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406965.0U CN208619373U (en) | 2018-08-29 | 2018-08-29 | Multi-outlet centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619373U true CN208619373U (en) | 2019-03-19 |
Family
ID=65716586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821406965.0U Active CN208619373U (en) | 2018-08-29 | 2018-08-29 | Multi-outlet centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619373U (en) |
-
2018
- 2018-08-29 CN CN201821406965.0U patent/CN208619373U/en active Active
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