CN205605422U - Vane pump - Google Patents
Vane pump Download PDFInfo
- Publication number
- CN205605422U CN205605422U CN201620333398.5U CN201620333398U CN205605422U CN 205605422 U CN205605422 U CN 205605422U CN 201620333398 U CN201620333398 U CN 201620333398U CN 205605422 U CN205605422 U CN 205605422U
- Authority
- CN
- China
- Prior art keywords
- blade
- stator
- lining
- main shaft
- vane pump
- 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.)
- Expired - Fee Related
Links
Landscapes
- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a vane pump, including the installation casing, installation casing internal fixation is provided with the bush, and lining inner cavity is provided with main shaft, blade and the stator of mutually supporting, its characterized in that: it is protruding that the main shaft outer lane is provided with the installation, is provided with a plurality of mounting groove in the installation arch, and the blade setting is in the mounting groove, and blade terminal surface and stator inner wall mutually support, and to form the friction vice, and the blade terminal surface be the arcwall face, and stator inner wall is bilateral symmetry and arranges, the stator inner wall of each side is the arcwall face that the internal diameter graduallys change. The utility model has the characteristics of simple compact, small, light in weight, all set blade and the friction surface that stator inner wall mutually supported to arc, avoided the hydraulic shock, improved the wear resistance between blade and the stator inner wall, improved the life -span and the reliability of product to reduce flow, pressure fluctuation and noise, improved life.
Description
Technical field
This utility model relates to a kind of vane pump for supporting various aircraft liquid cooling systems.
Background technology
At present, the feed flow part of general aircraft liquid cooling system selects traditional displacement pump or centrifugal pump, and for adapting to various big flows, high pressure, common displacement pump must realize by increasing the output of volume of part and weight, raising powered part；And for centrifugal pump, it is difficult to again meet relatively high workload pressure requirements, or multistage pump must be used to realize supercharging, the solution feed pump of above-mentioned two quasi-traditions has been difficult to adapt to the narrow installing space of aeronautical product and has limited and strict load-carrying requirement.
Traditional capacity type vane pump, the sliding friction pair that blade and stator curve seal is point limit；Transition portion between each section of curve that stator curve is used, there is the sudden change of speed, acceleration, rate of acceleration change unavoidably, this all can cause the hydraulic shock between blade and stator, make blade and stator wear aggravation, greatly reduce the service life of part and the functional reliability of product, also bring the problem such as noise, heating.
Additionally, traditional capacity type vane pump blade quantity is many (for reducing flow, pressure fluctuation, general no less than 6 blades), and for ensureing the fit clearance of blade and stator, root of blade needs leader tape to have the working media of pressure to promote blade, ensureing the sealing between blade and stator profile, the restriction of these structures causes that its volume is big, structure is complicated, manufacture, requirement on machining accuracy high.
Summary of the invention
The purpose of this utility model seeks to solve the deficiency of above-mentioned background technology, it is provided that a kind of small size, low weight, high performance vane pump.
The technical solution of the utility model is: a kind of vane pump, including installing housing, it is fixedly installed lining in described mounting shell body, described lining inner chamber is provided with the main shaft cooperated, blade and stator, it is characterized in that: described main shaft outer ring is provided with installation projection, it is provided with several mounting grooves in described installation projection, described blade is arranged in mounting groove, described vane end faces and described stator inner wall complement each other to form friction pair, described vane end faces is arcwall face, the symmetrical layout of described stator inner wall, the described stator inner wall of every side is the arcwall face of internal diameter gradual change.
Preferably, described mounting groove is provided with four, and corresponding described blade is also equipped with four.
Further, described main shaft is coaxially disposed with lining.
Further, described stator and described lining inwall are correspondingly arranged on keyway, and described stator is scheduled on described lining inwall by keying.
Further, it is positioned on the described described main shaft installing protruding both sides and is provided with outer bearing and inner bearing, be positioned at the described lining inwall outside described outer bearing and be provided with cannelure, in described cannelure, be provided with the spacing back-up ring being sleeved on described main shaft；Described lining the inner downward bending forms spacing flange, is provided with several sealing shell fragments being sleeved on described main shaft between described inner bearing and described spacing flange.
Further, the upwards bending of described lining outer end is formed installs flange, and described installation flange is fixedly mounted on described installation housing by bearing pin.
A kind of vane pump of the present utility model, have the compactest, volume is little, lightweight feature, the rubbing surface that blade and stator inner wall cooperate is respectively provided with camber, avoid hydraulic shock, improve the anti-wear performance between blade and stator inner wall, improve life-span and the reliability of product, and reduce flow, pressure fluctuation and noise, improve service life.
Accompanying drawing explanation
Fig. 1 is assembling schematic diagram of the present utility model；
Fig. 2 is the fractionation schematic diagram of Fig. 1.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Limit and strict load-carrying requirement for adapting to the narrow installing space of aeronautical product, reduce volume, alleviate weight；From the standpoint of improving the working life of product and reliability, reduction pressure and flow pulsation, reduction noise simultaneously, improving the efficiency etc. of pump, invent the vane pump shown in the present embodiment.
With reference to Fig. 1 and Fig. 2, a kind of vane pump of the present embodiment, including installing housing 1, installing bottom housing 1 is mounting seat 5, and mounting seat 5 is provided for the bolt hole installed；Install that housing 1 is axially disposed through hole, lining 3 it is fixedly installed in this through hole, lining 3 inner chamber is provided with the main shaft 8 and stator 9 being coaxial therewith arranging, main shaft 8 is arranged in stator 9 inner chamber, installation protruding 14 it is provided with in main shaft 8 outer ring, install and be provided with four mounting grooves being equally spaced 11 on protruding 14, mounting groove 11 is disposed with blade 7, mounting groove 11 is protruded in blade 7 end, blade 7 end face and stator 9 inwall complement each other to form friction pair, are provided with the working solution of certain pressure for liquid cooling system.
For improving the deficiency of background technology, blade 7 end face of the present embodiment is arcwall face, the symmetrical layout of stator 9 inwall, stator 9 inwall of every side is the arcwall face of internal diameter gradual change, make blade 7 end face form curved surface with stator 9 inwall to coordinate, simultaneously, have employed novel stator 9 inner surface contour curve, make to be completely smooth transition between each section of curve of stator 9 inwall, make the speed of rotating part, acceleration, the uniform gradual change of rate of acceleration change, thus avoid hydraulic shock, substantially improve the anti-wear performance between blade and stator profile, improve life-span and the reliability of product, it is greatly reduced flow, pressure fluctuation and noise.
It addition, structurally, traditional multiple leaflet constructs is reduced to only quaterfoil structure by the present embodiment, reduces the rotary inertia of revolving part, reduces blade volume and occupies the ratio of sealed volume, thus considerably increases the effective discharge under the equal spatial volume of product；At work, directly promoted the most mutually and under the effect of centrifugal force by blade, the working media with pressure is guided without the root at blade, gap when can ensure any duty all can meet seal request, also reaches reduce volume and weight and improve discharge capacity, increase volumetric efficiency and the purpose of mechanical efficiency.
The present embodiment is correspondingly arranged on keyway at stator 9 and lining 3 inwall, and stator 9 is fixed on lining 3 inwall by key 4.
It is positioned to install and is provided with outer bearing 12 and inner bearing 13 on the main shaft 8 of protruding 14 both sides, so that stator 9 is carried out axial limiting, it is positioned at lining 3 inwall outside outer bearing 12 and is provided with cannelure, the spacing back-up ring 10 being sleeved on main shaft 8 it is provided with, with the purpose that whole lining 3 internal structure is axially positioned in cannelure；The inner downward bending of lining 3 forms spacing flange, is provided with several sealing shell fragments 6 being sleeved on main shaft 8, to ensure sealing effectiveness between inner bearing 13 and spacing flange.
The present embodiment is formed in the upwards bending of lining 3 outer end and installs flange, installs flange and is fixedly mounted on installation housing 1 by bearing pin 2.
Vane pump of the present utility model, compared with traditional blades pump, have simple and compact for structure, volume is little, lightweight, efficiency is high, flow and pressure fluctuation is little, low noise, length in service life, feature that functional reliability is high.
The above, be only preferred embodiment of the present utility model, and structure of the present utility model is not done any pro forma restriction.Every any simple modification, equivalent variations and modification made above example according to technical spirit of the present utility model, all still falls within the range of the technical solution of the utility model.
Claims (6)
1. a vane pump, including installing housing (1), it is fixedly installed lining (3) in described installation housing (1), described lining (3) inner chamber is provided with the main shaft (8) cooperated, blade (7) and stator (9), it is characterized in that: it is protruding (14) that described main shaft (8) outer ring is provided with installation, described installation is provided with several mounting grooves (11) on protruding (14), described blade (7) is arranged in mounting groove (11), described blade (7) end face and described stator (9) inwall complement each other to form friction pair, described blade (7) end face is arcwall face, the symmetrical layout of described stator (9) inwall, described stator (9) inwall of every side is the arcwall face of internal diameter gradual change.
Vane pump the most according to claim 1, it is characterised in that: described mounting groove (11) is provided with four, and corresponding described blade (7) is also equipped with four.
Vane pump the most according to claim 1, it is characterised in that: described main shaft (8) is coaxially disposed with lining (3).
Vane pump the most according to claim 1, it is characterized in that: described stator (9) and described lining (3) inwall are correspondingly arranged on keyway, described stator (9) is fixed on described lining (3) inwall by key (4).
Vane pump the most according to claim 1, it is characterized in that: be positioned on the described described main shaft (8) installing protruding (14) both sides and be provided with outer bearing (12) and inner bearing (13), described lining (3) inwall being positioned at described outer bearing (12) outside is provided with cannelure, is provided with the spacing back-up ring (10) being sleeved on described main shaft (8) in described cannelure；The inner downward bending of described lining (3) forms spacing flange, is provided with several sealing shell fragments (6) being sleeved on described main shaft (8) between described inner bearing (13) and described spacing flange.
Vane pump the most according to claim 1, it is characterised in that: the upwards bending of described lining (3) outer end is formed installs flange, and described installation flange is fixedly mounted on described installation housing (1) by bearing pin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333398.5U CN205605422U (en) | 2016-04-20 | 2016-04-20 | Vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333398.5U CN205605422U (en) | 2016-04-20 | 2016-04-20 | Vane pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605422U true CN205605422U (en) | 2016-09-28 |
Family
ID=56972679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620333398.5U Expired - Fee Related CN205605422U (en) | 2016-04-20 | 2016-04-20 | Vane pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205605422U (en) |
-
2016
- 2016-04-20 CN CN201620333398.5U patent/CN205605422U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102182691B (en) | A kind of for the Modular pump unit in multistage pump | |
| US20200300241A1 (en) | Electric oil pump | |
| CN113464497A (en) | Diffuser, compressor and air cycle machine | |
| CN201297259Y (en) | High-temperature high-pressure magnetic pump | |
| CN105443447A (en) | Electronic pump | |
| CN205605422U (en) | Vane pump | |
| CN103711690B (en) | high pressure three-screw pump | |
| CN208184985U (en) | A kind of screw vacuum pump | |
| CN2721918Y (en) | Horizontal multi-stage pump | |
| CN104389754B (en) | A kind of compensation hydraulic formula radial plunger pump of end face oil distributing | |
| CN105443397A (en) | Electronic pump | |
| CN104832433A (en) | Novel rotary vane structure, and rotary vane vacuum pump cavity structure with rotary vane | |
| CN205911852U (en) | Rotor for motor, motor and compressor | |
| CN111089057A (en) | Oil supply mechanism for rotary machine and rotary machine | |
| CN214304498U (en) | Compressor and air conditioner | |
| CN209838771U (en) | Pump case capable of balancing axial force of centrifugal pump | |
| CN209340197U (en) | Bearing spider, gas suspension compressor and air-conditioning with it | |
| CN114017347A (en) | Sectional type multistage centrifugal pump without balancing device | |
| CN202158020U (en) | Multi-stage pump combined balance device | |
| CN109139469B (en) | Rotor type compressor | |
| CN105402130B (en) | Compressor sliding blade back-pressure structure and compressor, air conditioner | |
| CN105422503B (en) | A kind of combination type blade wheel | |
| CN111365281A (en) | Bearing support, air suspension compressor with bearing support and air conditioner | |
| CN104234965A (en) | Permanent magnet disc-type motor driven integrated radial plunger pump with double columns of plungers | |
| CN109340041A (en) | A kind of sliding-vane motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20190420 |