CN104675751B - Centrifugal pump case - Google Patents
Centrifugal pump case Download PDFInfo
- Publication number
- CN104675751B CN104675751B CN201510031825.4A CN201510031825A CN104675751B CN 104675751 B CN104675751 B CN 104675751B CN 201510031825 A CN201510031825 A CN 201510031825A CN 104675751 B CN104675751 B CN 104675751B
- Authority
- CN
- China
- Prior art keywords
- centrifugal pump
- inlet cover
- pump casing
- impeller
- pump case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the technical field of fuel systems of aircrafts, and relates to an integral centrifugal pump case with an inlet cover and outlet guide blades. The centrifugal pump case comprises structures such as a pump inlet, the outlet guide blades, fixing lugs, a threading pipe, the inlet cover, a filter screen mounting groove, a connector seat, an oil drain plug mounting seat, limiting clamp grooves, sealing ring grooves, an impeller front cover plate, connecting ribs and flanges, is in an integral fuel pump case design and is applied to fuel delivery pump products of aircrafts. The centrifugal pump case has the advantages that the centrifugal pump case is high in integration level and efficiency and compact in structure, and flow channels are low in hydraulic loss; the centrifugal pump case is small and light; the quantities of components and connecting pieces can be greatly reduced, assembling testing links can be reduced, and the reliability of the products can be improved; the machining, tool and assembling adjusting costs can be reduced, and accordingly the cost can be saved.
Description
Technical field
A kind of bring lid into and the centrifugal pump casing of exit guide blade belongs to aircraft fuel system technical field, be related to centrifugal pump
Housing integrated design and optimization.
Background technology
Integrated design technology is a kind of structure optimization technology, and combination and optimization for all kinds of frame for movements set
Meter.Carry out integrated reduce volume, reduce weight, reduce connecting link and connector quantity.
Content of the invention
The purpose of the present invention: a kind of centrifugal pump casing bringing lid and exit guide blade into of integrated design is provided, reduces
Pump spare part and connector quantity, reduce dress test ring section, improve reliability.
Technical scheme: a kind of centrifugal pump casing bringing lid and exit guide blade into, accesses in pump intake uplink
The radial direction fan-shaped runners that lid, 2～6 dowels and front shroud of impeller three are formed；Before the impeller on cover plate attachment n=(5～
10) piece radially outlet stator, the runner rear being formed between exit guide blade is turned to axially by radial direction.
Adhere to connector holder, bleeder plug mounting seat and label seat in inlet cover non-pump intake side.
Adhere to n fixing ear on exit guide blade, beat blind hole and adhere to screw thread at (n-1) individual fixing ear center；In residue
One fixing ear central punch forms penetration pipe, runs through one outlet stator, front shroud of impeller, a dowel and inlet cover,
Penetrate into connector holder.
In inlet cover uplink acting flange, flange adheres to (1～4) individual spacing draw-in groove.
There is hole pass-through entry lid at bleeder plug mounting seat center, and screw thread is adhered in this hole.
Open seal groove in inlet cover and front shroud of impeller.
Cover plate is between inlet cover before the impeller, the radial outside of dowel, open loop shape filter screen mounting groove.
Beneficial effects of the present invention:
When not using the present invention, the former function of reaching the present invention, typically mode connects for screw is provided with connector holder, fixation
The entrance of the features such as ear, dowel, seal groove, bleeder plug mounting seat, label seat, spacing draw-in groove, filter screen mounting groove and flange
The spare parts such as lid, cover plate, exit guide blade complete, and structural volume is big, and spare part is many, and mounting and adjusting link is many, runner poor continuity,
Reliability is low, and production cost is high.
Integrated level of the present invention is high, and integral structure is compact, and part difficulty of processing is suitable with sub-assembly, but processing capacity and connection
Link is few, can bring following income:
1st, runner hydraulic loss is little, efficiency high；
2nd, reduce volume, reduce weight；
3rd, spare part and connector quantity are greatly reduced, reduce dress test ring section, improve product reliability；
4th, reduce processing, frock and debug consuming, cost-effective.
The composite can be widely applied to aircraft oil transfer pump class product.
Brief description:
Fig. 1 is that the centrifugal pump casing of the present invention illustrates Fig. 1；
Fig. 2 is that the centrifugal pump casing of the present invention illustrates Fig. 2；
Fig. 3 is that the centrifugal pump casing of the present invention illustrates Fig. 3.
1 pump intake, 2 exit guide blades, 3 fixation ears, 4 penetration pipes, 5 label seats, 6 spacing draw-in grooves, 7 companies
Connect device seat, 8 bleeder plug mounting seats, 9 seal grooves, 10 inlet cover, 11 front shroud of impeller, 12 dowels, 13
Filter screen mounting groove, 14 flanges
Specific embodiment
When not using the present invention, the former function of reaching the present invention, typically mode connects for screw is provided with connector holder, fixation
The entrance of the features such as ear, dowel, seal groove, bleeder plug mounting seat, label seat, spacing draw-in groove, filter screen mounting groove and flange
The spare parts such as lid, cover plate, exit guide blade complete, and structural volume is big, and spare part is many, and mounting and adjusting link is many, runner poor continuity,
Reliability is low, and production cost is high.
A kind of centrifugal pump casing (see Fig. 1) bringing lid and exit guide blade into, pump intake uplink access lid, 2～6
Dowel and the radial direction fan-shaped runners of front shroud of impeller three formation；On cover plate, attachment n=(5～10) piece radial direction goes out before the impeller
Mouth stator, the runner rear being formed between exit guide blade is turned to axially by radial direction.Adhere to connector in inlet cover non-pump intake side
Seat, bleeder plug mounting seat and label seat.Adhere to n fixing ear on exit guide blade, beat blind hole simultaneously at (n-1) individual fixing ear center
Attachment screw thread；In remaining one fixing ear central punch formation penetration pipe, run through one outlet stator, front shroud of impeller, one
Dowel and inlet cover, penetrate into connector holder.In inlet cover uplink acting flange, flange adheres to (1～4) individual spacing draw-in groove.
There is hole pass-through entry lid at bleeder plug mounting seat center, and screw thread is adhered in this hole.Open seal groove in inlet cover and front shroud of impeller.
Cover plate is between inlet cover before the impeller, the radial outside of dowel, open loop shape filter screen mounting groove.
Integrated on housing it is provided with pump intake (1), exit guide blade (2), fixing ear (3), penetration pipe (4), label
Seat (5), spacing draw-in groove (6), connector holder (7), bleeder plug mounting seat (8), seal groove (9), inlet cover (10), impeller protecgulum
Plate (11), dowel (12) and filter screen mounting groove (13), pump intake (1) is the round table-like runner of axially (zc), described round table-like
Runner is connected radial direction fan-shaped runners, and described radial direction fan-shaped runners are by inlet cover (10), front shroud of impeller (11) and dowel (12)
Formed, wherein dowel (12) quantity is 2～6.
It is further that exit guide blade (2) is radial vane, quantity 5～10；The runner rear being formed between exit guide blade
Turned to axially (zc) by radial direction.Fixing ear (3) is arranged on exit guide blade on (2), and there is blind hole at fixing ear (3) center, and blind hole has
There is internal thread.Label seat 5 and bleeder plug mounting seat (8) are arranged in inlet cover (10), and bleeder plug mounting seat (8) center has hole to pass through
It is passed through lid (10), the hole of this pass-through entry lid has internal thread.Seal groove (9) is arranged on inlet cover (10) and impeller protecgulum
On plate (11).Penetration pipe (4) runs through one outlet stator (2), front shroud of impeller (11), a dowel (12) and inlet cover
, and penetrate into the inner chamber of connector holder (7) (10).Spacing draw-in groove (6) is arranged on flange (14), spacing pocket numbers 1～4
Individual.Filter screen mounting groove (13) is annular groove, is arranged on dowel (12), be in front shroud of impeller (11) and inlet cover (10) it
Between.
Claims (8)
1. a kind of centrifugal pump casing, this housing has inlet cover and exit guide blade it is characterised in that integrated on housing set
It is equipped with pump intake (1), exit guide blade (2), fixing ear (3), penetration pipe (4), label seat (5), spacing draw-in groove (6), connector holder
(7), bleeder plug mounting seat (8), seal groove (9), inlet cover (10), front shroud of impeller (11), dowel (12) and filter screen peace
Tankage (13), pump intake (1) is axial round table-like runner, and described round table-like runner is connected radial direction fan-shaped runners, described radial direction
Fan-shaped runners are formed by inlet cover (10), front shroud of impeller (11) and dowel (12), and wherein dowel (12) quantity is 2～6
Individual.
2. centrifugal pump casing according to claim 1 is it is characterised in that exit guide blade (2) is radial vane, quantity 5～
10；The runner rear being formed between exit guide blade is turned to axially (zc) by radial direction.
3. centrifugal pump casing according to claim 1 is arranged on exit guide blade (2) it is characterised in that fixing ear (3),
There is blind hole at fixing ear (3) center, and blind hole has internal thread.
4. centrifugal pump casing according to claim 1 is it is characterised in that label seat (5) and bleeder plug mounting seat (8) are arranged
In inlet cover (10), there is hole pass-through entry lid (10) at bleeder plug mounting seat (8) center, and the hole of this pass-through entry lid has interior spiral shell
Line.
5. centrifugal pump casing according to claim 1 it is characterised in that seal groove (9) be arranged on inlet cover (10) and
On front shroud of impeller (11).
6. centrifugal pump casing according to claim 1 it is characterised in that penetration pipe (4) run through one outlet stator (2),
Front shroud of impeller (11), a dowel (12) and inlet cover (10), and penetrate into the inner chamber of connector holder (7).
7. centrifugal pump casing according to claim 1, it is characterised in that spacing draw-in groove (6) is arranged on flange (14), limits
Position pocket numbers 1～4.
8. centrifugal pump casing according to claim 1 it is characterised in that filter screen mounting groove (13) be annular groove, the company of being arranged at
Connect on muscle (12), be between front shroud of impeller (11) and inlet cover (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031825.4A CN104675751B (en) | 2015-01-21 | 2015-01-21 | Centrifugal pump case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031825.4A CN104675751B (en) | 2015-01-21 | 2015-01-21 | Centrifugal pump case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104675751A CN104675751A (en) | 2015-06-03 |
| CN104675751B true CN104675751B (en) | 2017-01-18 |
Family
ID=53311214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510031825.4A Active CN104675751B (en) | 2015-01-21 | 2015-01-21 | Centrifugal pump case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104675751B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980099A (en) * | 2018-07-03 | 2018-12-11 | 浙江融乐环境科技有限公司 | A kind of semi-closed type water pump impeller |
| CN114307259B (en) * | 2021-12-30 | 2023-05-30 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Pump type oil-gas separator of hydraulic combined transmission generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584889Y (en) * | 2002-10-25 | 2003-11-05 | 北京建大流体技术研究院 | Whirlwind centrifugal constant-pressure spray fire pumps |
| CN101482122A (en) * | 2009-02-05 | 2009-07-15 | 上海成峰泵业制造有限公司 | Vertical shield pump |
| CN101660542A (en) * | 2008-08-28 | 2010-03-03 | 上海大学 | Impeller of centrifugal pump |
| CN103225624A (en) * | 2013-04-24 | 2013-07-31 | 嘉利特荏原泵业有限公司 | Double-casing symmetric type radial subdivision multiple-stage centrifugal pump |
| JP2014231844A (en) * | 2014-09-12 | 2014-12-11 | 株式会社クボタ | Centrifugal pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5481346B2 (en) * | 2010-10-14 | 2014-04-23 | 株式会社荏原製作所 | Centrifugal pump |
-
2015
- 2015-01-21 CN CN201510031825.4A patent/CN104675751B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584889Y (en) * | 2002-10-25 | 2003-11-05 | 北京建大流体技术研究院 | Whirlwind centrifugal constant-pressure spray fire pumps |
| CN101660542A (en) * | 2008-08-28 | 2010-03-03 | 上海大学 | Impeller of centrifugal pump |
| CN101482122A (en) * | 2009-02-05 | 2009-07-15 | 上海成峰泵业制造有限公司 | Vertical shield pump |
| CN103225624A (en) * | 2013-04-24 | 2013-07-31 | 嘉利特荏原泵业有限公司 | Double-casing symmetric type radial subdivision multiple-stage centrifugal pump |
| JP2014231844A (en) * | 2014-09-12 | 2014-12-11 | 株式会社クボタ | Centrifugal pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104675751A (en) | 2015-06-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |