CN208456909U - A kind of novel impeller mechanism of centrifugal pump - Google Patents
A kind of novel impeller mechanism of centrifugal pump Download PDFInfo
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- CN208456909U CN208456909U CN201820871972.1U CN201820871972U CN208456909U CN 208456909 U CN208456909 U CN 208456909U CN 201820871972 U CN201820871972 U CN 201820871972U CN 208456909 U CN208456909 U CN 208456909U
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- blade
- hub disk
- connecting shaft
- centrifugal pump
- limiting groove
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000006837 decompression Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 235000012489 doughnuts Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to a kind of novel impeller mechanisms of centrifugal pump, including hub disk, the hub disk middle position is equipped with connecting shaft, and the connecting shaft runs through the hub disk, the hub disk, connecting shaft is integrally formed, it is surround on the hub disk and is arranged at intervals with the first hinge, second hinge, first hinge, second hinge arranges in the shape of a spiral, connection keyway is provided at the top of the connecting shaft, the hub disk back side is provided with limiting groove, balance hole is equipped in the limiting groove, the limiting groove surrounding is provided with back blade, connection screw thread is additionally provided in the connecting shaft, and the connection screw thread is set to hub disk back side, overall structure is convenient for fixed installation, material is lighter, balance quality is good, power loss is smaller, effectively increase the lift of centrifugal pump.
Description
Technical field
The utility model relates to a kind of novel impeller mechanisms of centrifugal pump, belong to Industrial fan field.
Background technique
Impeller had both referred to the wheel disc equipped with movable vane, was the component part of impulse turbine rotor, and finger wheel disk and installed it
On moving blade general name, centrifugal pump be using impeller rotate and make water occur centrifugal movement come work, water pump is starting
Before, it is necessary to make then to start motor full of water in pump case and suction hose, pump shaft impeller and water is made to do high speed rotary motion,
Centrifugal movement occurs for water, is thrown toward impeller outer edge, and runner through volute pump case flows into the pressure pipe road of water pump, centrifugal pump it is basic
What construction was made of six parts is impeller respectively, the pump housing, pump shaft, bearing, sealing ring, stuffing-box, and the impeller in centrifugal pump is
Refer to the vaned rotary body of tool that energy is transmitted to liquid, the impeller of centrifugal pump uses founding part in the prior art, and blade is
By having reinforcing rib on the floor of impeller made of milling, for connecting blade, the big weight of the impeller type of this structure, leaf
Piece is generous, and reinforcing rib increases operating room's internal resistance, influences the flow and lift of pump, and another aspect blade wheel structure is complicated, manufacture
Complex process, manufacturing cost are high.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, provides a kind of vane apparatus of centrifugal pump
Structure, convenient for being fixedly mounted, material is lighter, and balance quality is good, and power loss is smaller, effectively increases the lift of centrifugal pump, can be with
Effectively solve the problems in background technique.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of novel impeller mechanism of centrifugal pump, including hub disk, the hub disk middle position are equipped with connecting shaft,
And the connecting shaft runs through the hub disk, the hub disk, connecting shaft are integrally formed, and surround on the hub disk
It is arranged at intervals with the first blade, the second blade, first blade, the second blade arrange in the shape of a spiral, at the top of the connecting shaft
It is provided with connection keyway, the hub disk back side is provided with limiting groove, and balance hole is equipped in the limiting groove, and the limit is recessed
Slot surrounding is provided with back blade, connection screw thread is additionally provided in the connecting shaft, and the connection screw thread is set to impeller wheel
Disk back side.
Furthermore, the hub disk, connecting shaft are aluminum alloy material, and the length of the connecting shaft is at least
8cm。
Furthermore, the height of first blade is greater than the height of the second blade, and the area of first blade is big
In the area of the second blade.
Furthermore, first blade, the hand of spiral of the second blade are consistent, first blade, the second blade
Spiral angle it is equal.
Furthermore, the number of the balance hole sets at least to four.
Furthermore, the back blade is in bar shaped, and the back blade is spirally distributed on hub disk.
The utility model the utility model has the advantages that a kind of centrifugal pump novel impeller mechanism, utilize the connection keyway of connecting shaft front end
Connect the shaft of centrifugal pump, the mode being connected by key connects, and structure is more stable, back side by nut to blade wheel structure into
Row limit, overall structure drive the first blade, the second blade high-speed rotation convenient for being fixedly mounted, by the high-speed rotation of impeller,
Since the height area of the first blade, the second blade is differently formed vortex, transport waterpower effect is more preferable, effectively increases centrifugal pump
Lift, the low pressure that can effectively make wheel backface doughnut keep constant using the balance hole being arranged in limiting groove is used to
Balancing axial thrust does not need configuration decompression body, the structure of centrifugal pump is simplified, while facilitating dynamic balance checking, convenient for detection.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is a kind of novel impeller mechanism structure chart of centrifugal pump of the utility model.
Fig. 2 is a kind of novel impeller mechanism backside configuration figure of centrifugal pump of the utility model.
Fig. 3 is a kind of novel impeller mechanism connecting axle structure figure of centrifugal pump of the utility model.
Figure label: 1, hub disk；2, connecting shaft；3, the first blade；4, the second blade；5, keyway is connected；6, it limits
Groove；7, balance hole；8, back blade；9, connection screw thread.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1-3, a kind of novel impeller mechanism of centrifugal pump, including hub disk 1, among the hub disk 1
Position is equipped with connecting shaft 2, and the connecting shaft 2 runs through the hub disk 1, connects centrifugal pump shaft by connecting shaft 2, is convenient for
Installation, the hub disk 1, connecting shaft 2 be integrally formed, on the hub disk 1 around be arranged at intervals with the first blade 3,
Second blade 4, first blade 3, the second blade 4 arrange in the shape of a spiral, drive the first blade by the high-speed rotation of impeller
3,4 high-speed rotation of the second blade, since the height area of the first blade 3, the second blade 4 is differently formed vortex, transport waterpower effect
Fruit is more preferable, effectively increases the lift of centrifugal pump, and connection keyway 5,1 back side of hub disk are provided at the top of the connecting shaft 2
It is provided with limiting groove 6, balance hole 7 is equipped in the limiting groove 6, so that wheel backface doughnut is kept constant low
Pressure is used to balancing axial thrust, reduces the load of connecting shaft, does not need configuration decompression body, simplifies the structure of centrifugal pump, simultaneously
Facilitate dynamic balance checking, convenient for detection, 6 surrounding of limiting groove is provided with back blade 8, further improves near impeller
Centrifugal force is additionally provided with connection screw thread 9 in the connecting shaft 2, and the connection screw thread 9 is set to 1 back side of hub disk,
By bolt can preferable blade wheel structure limited.
More specifically, the hub disk 1, connecting shaft 2 are aluminum alloy material, and the length of the connecting shaft 2 is extremely
It is less 8cm, overall material is lighter, reduces the energy loss in rotation process, and the height of first blade 3 is greater than the second leaf
The height of piece 4, the area of first blade 3 are greater than the area of the second blade 4, the spiral shell of first blade 3, the second blade 4
Rotation direction is consistent, and first blade 3, the spiral angle of the second blade 4 are equal, and the number of the balance hole 7 is set at least to
Four, the back blade 8 is in bar shaped, and the back blade 8 is spirally distributed on hub disk 1.
The utility model improve in: a kind of novel impeller mechanism of centrifugal pump utilizes the connection keyway 5 of 2 front end of connecting shaft
The shaft of centrifugal pump is connected, the mode being connected by key connects, and structure is more stable, in hub disk back side by nut to leaf
Wheel construction is limited, and overall structure drives the first blade 3, the second blade 4 convenient for being fixedly mounted, by the high-speed rotation of impeller
High-speed rotation, since the height area of the first blade 3, the second blade 4 is differently formed vortex, transport waterpower effect is more preferable, effectively
The lift for improving centrifugal pump can effectively make wheel backface doughnut keep permanent using the balance hole 7 being arranged in limiting groove 6
Fixed low pressure is used to balancing axial thrust, reduces the load of connecting shaft, does not need configuration decompression body, simplifies the knot of centrifugal pump
Structure, while facilitating dynamic balance checking, convenient for detection.
The above are the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper
It states embodiment to change and modify, therefore, the utility model is not limited to above-mentioned specific embodiment, all abilities
Field technique personnel made any conspicuous improvement, replacement or modification on the basis of the utility model belong to practical
Novel protection scope.
Claims (6)
1. a kind of novel impeller mechanism of centrifugal pump, including hub disk (1), it is characterised in that: the hub disk (1) is intermediate
Position is equipped with connecting shaft (2), and the connecting shaft (2) runs through the hub disk (1), the hub disk (1), connecting shaft
(2) it is integrally formed, is surround on the hub disk (1) and be arranged at intervals with the first blade (3), the second blade (4), described first
Blade (3), the second blade (4) arrange in the shape of a spiral, and connection keyway (5), the hub disk are provided at the top of the connecting shaft (2)
(1) back side is provided with limiting groove (6), is equipped with balance hole (7) in the limiting groove (6), limiting groove (6) the surrounding setting
Have back blade (8), is additionally provided with connection screw thread (9) on the connecting shaft (2), and the connection screw thread (9) is set to impeller
Wheel disc (1) back side.
2. the novel impeller mechanism of a kind of centrifugal pump according to claim 1, it is characterised in that: the hub disk (1) connects
Spindle (2) is aluminum alloy material, and the length of the connecting shaft (2) is at least 8cm.
3. the novel impeller mechanism of a kind of centrifugal pump according to claim 1, it is characterised in that: first blade (3)
Height is greater than the height of the second blade (4), and the area of first blade (3) is greater than the area of the second blade (4).
4. the novel impeller mechanism of a kind of centrifugal pump according to claim 1, it is characterised in that: first blade (3),
The hand of spiral of two blades (4) is consistent, and first blade (3), the spiral angle of the second blade (4) are equal.
5. the novel impeller mechanism of a kind of centrifugal pump according to claim 1, it is characterised in that: the number of the balance hole (7)
Mesh sets at least to four.
6. the novel impeller mechanism of a kind of centrifugal pump according to claim 1, it is characterised in that: the back blade (8) is in
Bar shaped, and the back blade (8) is spirally distributed on hub disk (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820871972.1U CN208456909U (en) | 2018-06-06 | 2018-06-06 | A kind of novel impeller mechanism of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820871972.1U CN208456909U (en) | 2018-06-06 | 2018-06-06 | A kind of novel impeller mechanism of centrifugal pump |
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| Publication Number | Publication Date |
|---|---|
| CN208456909U true CN208456909U (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820871972.1U Active CN208456909U (en) | 2018-06-06 | 2018-06-06 | A kind of novel impeller mechanism of centrifugal pump |
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| Country | Link |
|---|---|
| CN (1) | CN208456909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909184A (en) * | 2021-02-07 | 2022-08-16 | 中国船舶重工集团公司第七一一研究所 | An impeller with a pressure balance hole and a turbine having the same |
-
2018
- 2018-06-06 CN CN201820871972.1U patent/CN208456909U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909184A (en) * | 2021-02-07 | 2022-08-16 | 中国船舶重工集团公司第七一一研究所 | An impeller with a pressure balance hole and a turbine having the same |
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