CN202718862U - Vane pump rotor with controllable telescopic vanes - Google Patents
Vane pump rotor with controllable telescopic vanes Download PDFInfo
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- CN202718862U CN202718862U CN 201220418240 CN201220418240U CN202718862U CN 202718862 U CN202718862 U CN 202718862U CN 201220418240 CN201220418240 CN 201220418240 CN 201220418240 U CN201220418240 U CN 201220418240U CN 202718862 U CN202718862 U CN 202718862U
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- runner
- pump rotor
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Abstract
The utility mode discloses a vane pump rotor with controllable telescopic vanes. The vane pump rotor with the controllable telescopic vanes solves the problems that energy consumption of an existing hydraulic vane pump is high, a working medium is can be easily affected and service life of the working medium can not be ensured. The vane pump rotor with the controllable telescopic vanes is characterized in that a plurality of vane grooves are arranged in the rotor along the radial direction. And vanes are arranged in the vane grooves in sliding mode. The vanes can partially stretch out of the rotor along the radial direction or contract into the rotor. The vane pump rotor with the controllable telescopic vanes is characterized in a limiting device used to limit sliding of vanes along the radial direction of the rotor is arranged on the rotor and clamping pieces are arranged in the limiting device. The limiting device achieves the purpose that all vanes stably contract into the rotor by selectively clamping the vanes through the clamping pieces.
Description
Technical field
The utility model relates to a kind of oil hydraulic pump, relates in particular to a kind of stator and rotor of comprising, radially is provided with some blades in the rotor, but the flexible controlled blade pump rotor of the extended or retracted blade in rotor of blade part.
Background technique
Be used for the pump that convection cell carries out pump pressure and mainly contain three kinds of structural types, i.e. plunger pump, gear pump and vane pump, vane pump is widely used at many mechanical fields because it has good service behaviour.
Existing blade pump structure mainly comprises stator and rotor, and rotor is located in the stator rotationally, is formed with cavity between stator and the rotor.The internal face of stator is approximate ellipsoidal, thereby is formed with fluid suction area, fluid compression district and blade retraction district in cavity.In rotor, radially be provided with some blade grooves along it, in each blade groove, be provided with slidably a slice blade.After rotor rotated, under the effect of centrifugal force, the external lateral portion of blade can extend in this cavity.
(application number: disclose a kind of flexible controlled blade pump rotor of a kind of high pressure blade of liquid capacity-fixed formula machinery 201110059277.8), be for solving in the existing similar VQ vane pump because the sudden changes in pressure in transition zone causes female blade technical problem that noise is larger with stator inner surface generation impact designs to Chinese invention patent application.This vane pump comprises bonnet, rear bearing sheet, bimetal side plate, blades, female blade, stator, rotor, front end panel, protecgulum, transmission shaft, its rotor is provided with blade groove, and the inclined hole that communicates with this blade groove, the bimetal side plate is provided with circular arc elongated slot, circular oil groove, and wherein two adjacent circular oil groove connect the arc lubrication groove; Its design main points are that described circular arc elongated slot two ends are provided with the transition slot that diminishes gradually, and described two adjacent circular oil groove connect the arc lubrication groove separately, and these two arc lubrication grooves are separated mutually.The utility model reasonable in design, pressure stability during work, pressure pulsation reduces, and the noise of pump obviously reduces, and has improved working pressure and the working life of pump.
Rotor in the flexible controlled blade pump rotor of this blade is as long as in rotation process, under the effect of centrifugal force, the blade that turns to cavity inner fluid suction area and fluid compression zone position place all can extend in the cavity, thereby the fluid that is positioned at cavity is promoted.But in the application of reality, as hydraulic jacking mechanism weight top lift put in place after, because itself being provided with the structure that limits the hydraulic oil reverse flow in the hydraulic jacking mechanism, sometimes not needing the flexible controlled blade pump rotor of blade to continue propelling fluid flow direction top and lift on the direction of heavy thing.In the hydraulic system of vehicle, also such problem can appear sometimes.In these above-mentioned situations, if vane pump still in work with remaining valid, can increase energy consumption on the one hand, on the other hand also owing to the hydraulic oil in the whole hydraulic pipe line stops to flow, blade can continue to stir to a fraction of hydraulic oil that is detained in the vane pump cavity, this can bring variation to the physical property of this part hydraulic oil, raises such as reduced viscosity, temperature, and then the temperature of vane pump is raise.Physical parameter difference in the whole hydraulic oil system is larger, if things go on like this, can have influence on the whole service life of hydraulic oil.If by the mode that clutch is set rotor is stopped operating in above-mentioned these situations, then can make blade pump structure complicated on the one hand, also can have influence on the other hand the transmission of vane pump rotor, the stability when rotor rotates can not guarantee.
Summary of the invention
For overcoming defects, the utility model technical issues that need to address are: a kind of blade controlled blade pump rotor that stretches is provided, and the flexible controlled blade pump rotor of this blade can effectively be saved the work energy consumption in the course of the work.
For solving the problems of the technologies described above, the technical solution of the utility model: a kind of blade controlled blade pump rotor that stretches, radially be provided with some blade grooves in the rotor, be provided with slidably blade in the blade groove, blade can partly reach the rotor radial outside or be retracted in the rotor, it is characterized in that, be provided with the limit stoper that slides at rotor radial for limiting blade at rotor, be provided with shackle member in the limit stoper, limit stoper is by shackle member the mode of selectively clamping of blade to be realized that all blades stably are retracted within the rotor.
The indication fluid generally refers to liquid herein, refers to especially oil.
This rotor is combined together with stator and forms vane pump.Wherein, rotor is circular, the internal face of stator is approximate ellipse, described fluid suction area and fluid compression district are formed on the two end part of described cavity, rotor is when normal operation, blade can extend in the cavity at fluid suction area and compressing area, in the higher situation of rotating speed, and can the conflict inwall of cavity of the outer end of blade.Under the effect that reaches rotor outside blade, the fluid suction area can form negative pressure, and fluid is inhaled in the fluid suction area.Under the further impetus of blade, fluid can be pressed into the fluid compression district, and the pressure of fluid obtains increasing.Blade retraction district is formed on the medium position place of cavity, and herein, the gap between rotor and the stator is very little, and under curved cavity inner wall effect, blade can be fully retracted in the rotor.
Limit stoper is realized clamping to blade selectively, the foundation of this selection is the working state with the vane pump hydraulic system, be that working medium in the hydraulic system does not need to have been pressurizeed by vane pump, then this limit stoper starts, blade is applied active force, and blade stably is fully retracted in the rotor.When if described working medium needs are pressurized, limit stoper releasing work, under the effect of centrifugal force, blade can extend in the cavity at described fluid suction area and fluid compression zone position place.
After limit stoper starts, because the limited device card of blade that retracts in the rotor is caught, the suffered centrifugal force of blade of following rotor motion is not enough to overcome limit stoper to the clamping power of blade, blade can not be thrown out of the outside of rotor, rotor is under the idling conditions, and the energy that consumes in the rotor rotation process of this moment is low.
Limit stoper can be the clamping that utilizes high-pressure liquid to come push card fitting and blade as working medium described as follows, also can be to realize by mechanical structure, as utilize spring, push rod and fixture block to cooperatively interact to realize, spring and push rod are arranged in the rotor, be provided with movably projection on the end cap, projection has the circumferential size corresponding with cavity inner fluid compressing area and fluid suction area, and perhaps projection is whole annular.When projection was bar shaped, the setting position of projection was corresponding with the position of fluid compression district and fluid suction area.When not needing the compression of blade propelling fluid, projection protrudes along rotor axial towards the push rod direction, because the protrusion of projection stops that so that push rod is subject to reaction force, spring obtains compression, can be connected on the blade with the contacted fixture block of spring.Like this, when blade rotation arrived fluid suction area and fluid compression district, blade can stably be remained in the rotor, and the structure of only this mechanical limit stoper is comparatively complicated, is inconvenient to arrange.
As preferably, described limit stoper comprises the runner of being located in the rotor, and shackle member is arranged in the runner.Can realize by the mode that in runner, passes into high-pressure liquid the clamping of shackle member and blade, be conducive to simplify the structure of limit stoper, and be convenient to control.
As preferably, described shackle member is steel ball, and runner communicates with blade groove, and the corresponding position on blade side is provided with concave structure.Concave structure can pit, also can be the concave groove of extending along rotor axial, if in the situation of pit, the setting position of pit is required high, generally is preferably concave groove.Shackle member is steel ball, and in the situation that does not limit the blade slip, steel ball and concave structure break away from easily, and arranging the impact of blade regular event of limit stoper is little.
As preferably, described concave structure is the groove that extends along rotor axial, and the truncation surface of groove is curved.Concave structure is groove, is convenient to groove and matches with steel ball, simple in structure, be convenient to processing.
As preferably, in runner, be provided with movably the tapering pin, liquid sealing between tapering pin and the runner inner wall, the tapering pin divides the relative both sides that are listed in steel ball with blade, runner has bending between steel ball and tapering pin, the tapering pin has tapering towards an end of steel ball.The action of tapering pin generally be under the promotion of high pressure oil and the action, match with steel ball by the end of tapering pin with tapering, the tapered post bearing pin can change the position of steel ball in runner to when motion, thus can determine between steel ball and the blade clamping whether.The tapering pin cooperates with steel ball, and is simple in structure, and functional reliability is good, is convenient to the motion of tapering pin is controlled.
As preferably, described rotor is split-type structural, and it is stacked together coaxially by two monomers and forms.Can axially linking together securely by the mode of welding between two monomers, also can be under the pressuring action of hydraulic oil in vane pump and axially be adjacent to.Rotor is split-type structural, is convenient to be processed to form in rotor the runner for Fluid Flow in A.
As preferably, in described two monomers, the thickness of a monomer is greater than the thickness of another monomer.Corresponding, the position of limit stoper and blade effect is positioned at the larger monomer of thickness.
As preferably, described shackle member is arranged in the thicker monomer, and described runner leads to the interior edge face of this monomer; Interior edge face at thinner monomer is provided with cavity volume, and the position of cavity volume is corresponding with the aperture position of described runner on this monomer interior edge face.Cavity volume can insert for the end of above-mentioned tapered post pin, and this has improved the space of tapering pin on the one hand, and is convenient to process in rotor the runner that closes the symbol requirement.
Compared with prior art, the beneficial effects of the utility model are embodied in: because with the pump rotor of this rotor in the course of the work, epitrochanterian blade can reach selectively the rotor outside or be fully retracted in the rotor, working medium in the hydraulic system is not needing when pressurized, blade can be fully retracted in the rotor, rotor can be to continue to rotate under the state of idle running, the little energy that rotor under the idling conditions consumes is conducive to save the work energy consumption that this blade stretches controlled blade pump rotor.Vane pump can with equipment on power mechanism directly be connected, and do not need realize to connect by the middle transition structure, be conducive to simplify the linkage structure between vane pump and the power mechanism.When the hydraulic system on equipment fulfiled assignment, blade can not produce hydraulic oil and continue anxious strong stirring, and this is conducive to the maintenance of hydraulic oil physical property, thereby can effectively guarantee the working life of hydraulic oil.The flexible controlled blade pump rotor of blade is in rotation process, and it is little to generate heat, and this has improved the working life of vane pump on the one hand, and is little to the liquid sealing structure seal request in the vane pump on the other hand.
Description of drawings
Fig. 1 is that flexible controlled blade pump rotor and the stator of the utility model blade is assembled together the internal structure schematic representation under the work shape.
Fig. 2 is that flexible controlled blade pump rotor and the stator of the utility model blade is assembled together the structural representation the when blade in rotor retracts in the rotor.
Fig. 3 is an end-face structure schematic representation of rotor.
Fig. 4 is the sectional view along A-A direction among Fig. 3.
Fig. 5 is tapering pin and steel ball structure for amplifying schematic representation under a kind of state in rotor.
Fig. 6 is tapering pin and steel ball structure for amplifying schematic representation under the another kind of state in rotor.
Embodiment
The flexible controlled blade pump rotor of the utility model blade is to be assembled together with stator 1 and to have consisted of vane pump, is arranged in the stator 1 to rotor 5 coaxial space, and rotor 5 can be in stator 1 interior rotation.Radially be provided with some blade grooves 3 along it on rotor 5, the opening of blade groove 3 is positioned on the outer circumferential face of rotor 5.Be provided with a slice blade 2 in each blade groove 3, blade 2 is equal to or slightly less than blade groove 3 along the axial size of rotor 5 along rotor 5 axial sizes.When rotor 5 rotates, under the effect of centrifugal force, the extended outside to rotor 5 of the outer end portion of blade 2.Be formed with cavity 4 between rotor 5 and the stator 1, the similar ellipse of the inwall of stator 1.Have fluid suction area, fluid compression district and blade retraction district in cavity 4, fluid suction area and fluid compression district are formed on the upper/lower terminal section of cavity 4, and blade retraction district is formed on the arranged on left and right sides at cavity 4 medium position places.At fluid suction area and place, fluid compression district, the interval between the outer circumferential face of rotor 5 and stator 1 internal face is relatively large, at blade retraction district, the interval less between rotor 5 outer circumferential faces and stator 1 internal face.When blade 2 moved to blade retraction district, under the effect of stator 1 internal face, blade 2 retracted in the rotor 5.
Be provided with limit stoper at rotor 5, this limit stoper can carry out clamping to all blades 2 selectively, is not enough to overcome this clamping power so that follow the blade 2 suffered centrifugal force that rotor 5 moves together, and blade 2 can stably remain in the rotor 5.
Described limit stoper comprises the runner 6 of being located in the rotor 5, is provided with steel ball 11 and tapering pin 7 in runner 6, liquid sealing between tapering pin 7 and the runner 6.Runner 6 communicates with blade groove 3, and steel ball 11 is near described blade grooves 3, and blade 2 and tapering pin were listed in the relative both sides of steel ball 11 in 7 minutes.One end of tapering pin 7 has tapering, and this end of tapering pin 7 is towards steel ball 11, and can contact with steel ball 11.Runner 6 has bending between steel ball 11 and tapering pin 7, this bending is generally 90 degree.Under the promotion of high pressure oil 13, tapering pin 7 is along the axial motion of rotor 5, and the end of tapering pin 7 contacts with steel ball 11 and promotes steel ball 11 towards the direction motion of blade 2.Side at blade 2 is provided with concave structure, clamping that this concave structure is used for and match in the surface of steel ball 11, thus finish the clamping of 11 pairs of blades 2 of steel ball, so that blade 2 stably remains in the rotor 5.
Concave structure can be pit, and concave structure generally is preferably along rotor 5 axially extended grooves 12, and the truncation surface of this groove 12 is curved.
The position of steel ball 11 is positioned at blade 2 along the medium position place of rotor 5 axial dimensions, and during groove 12 phase clamping on steel ball 11 and the blade 2, their both card contact are positioned at the medium position place of blade 2.
Also be provided with cylindrical hole, circular groove, the guide hole that communicates in thicker monomer 9, cylindrical hole is positioned at the bottom of blade groove 3, establishes straight pin in the cylindrical hole.Be provided with inclined hole in thinner monomer 10, inclined hole one end is positioned on the exterior edge face that turns thinner monomer 10, and the other end can communicate with guide hole.By the high pressure oil that passes in the inclined hole, promote the straight pin top and lift blade 2, so that blade 2 can in time reach the outside of rotor 5.When vane pump does not need that hydraulic oil carried out supercharging, generally do not need to pass into high pressure oil in the chute, in order to blade 2 can more stably be remained in the rotor 5.
With the vane pump of the flexible controlled blade pump rotor of this blade when not needing convection cell to carry out supercharging, limit stoper starts, high pressure oil 13 enters in the runner 6 in the oil duct of oil distribution casing, high pressure oil 13 promotes tapering pin 7 towards the direction motion of steel ball 11 from the bottom of tapering pin 7, the end with tapering of tapering pin 7 promotes steel ball 11 towards the direction motion of blade 2, the blade 2 that reaches rotor 5 outsides is being followed after rotor 5 turns to blade retraction district, blade 2 puts in place at blade groove 3 interior retractions, steel ball 11 is connected in the groove 12 just, after 11 pairs of blade 2 clampings of steel ball, when even blade 2 turns to fluid suction area and fluid compression zone position place, blade 2 suffered centrifugal force can not overcome steel ball 11 to its clamping power that applies, and return sheet 2 and stably are positioned at rotor 5.
When vane pump needed convection cell to promote, described limit stoper did not start, and the high pressure oil 13 in the runner 6 is relaxed, and the blade 2 on the rotor 5 can extend under the effect of centrifugal force in the cavity 4, and blade 2 can carry out supercharging by convection cell.
Claims (8)
1. the flexible controlled blade pump rotor of a blade, radially be provided with some blade grooves in the rotor, be provided with slidably blade in the blade groove, blade can partly reach the rotor radial outside or be retracted in the rotor, it is characterized in that, be provided with the limit stoper that slides at rotor radial for limiting blade at rotor, be provided with shackle member in the limit stoper, limit stoper is by shackle member the mode of selectively clamping of blade to be realized that all blades stably are retracted within the rotor.
2. the flexible controlled blade pump rotor of blade according to claim 1 is characterized in that described limit stoper comprises the runner of being located in the rotor, and shackle member is arranged in the runner.
3. the flexible controlled blade pump rotor of blade according to claim 2 is characterized in that described shackle member is steel ball, and runner communicates with blade groove, and the corresponding position on blade side is provided with concave structure.
4. the flexible controlled blade pump rotor of blade according to claim 3 is characterized in that described concave structure is the groove that extends along rotor axial, and the truncation surface of groove is curved.
5. the flexible controlled blade pump rotor of blade according to claim 3, it is characterized in that, in runner, be provided with movably the tapering pin, liquid sealing between tapering pin and the runner inner wall, the tapering pin divides the relative both sides that are listed in steel ball with blade, runner has bending between steel ball and tapering pin, the tapering pin has tapering towards an end of steel ball.
6. according to claim 2, the flexible controlled blade pump rotor of 3,4 or 5 described blades, it is characterized in that described rotor is split-type structural, it is stacked together coaxially by two monomers and forms.
7. the flexible controlled blade pump rotor of blade according to claim 6 is characterized in that in described two monomers, the thickness of a monomer is greater than the thickness of another monomer.
8. the flexible controlled blade pump rotor of blade according to claim 7 is characterized in that described shackle member is arranged in the thicker monomer, and described runner leads to the interior edge face of this monomer; Interior edge face at thinner monomer is provided with cavity volume, and the position of cavity volume is corresponding with the aperture position of described runner on this monomer interior edge face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220418240 CN202718862U (en) | 2012-08-22 | 2012-08-22 | Vane pump rotor with controllable telescopic vanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220418240 CN202718862U (en) | 2012-08-22 | 2012-08-22 | Vane pump rotor with controllable telescopic vanes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202718862U true CN202718862U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220418240 Expired - Fee Related CN202718862U (en) | 2012-08-22 | 2012-08-22 | Vane pump rotor with controllable telescopic vanes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202718862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632373A (en) * | 2013-11-07 | 2015-05-20 | 悦马塑料技术有限公司 | Pump device with a vacuum pump and a lubrication pump |
-
2012
- 2012-08-22 CN CN 201220418240 patent/CN202718862U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632373A (en) * | 2013-11-07 | 2015-05-20 | 悦马塑料技术有限公司 | Pump device with a vacuum pump and a lubrication pump |
| US10119541B2 (en) | 2013-11-07 | 2018-11-06 | Joma-Polytec Gmbh | Pump device with a vacuum pump and a lubrication pump |
| CN104632373B (en) * | 2013-11-07 | 2019-05-28 | 悦马塑料技术有限公司 | It is arranged with the pump of vacuum pump and lubricant pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170119 Address after: 315040 Zhejiang province Jiangdong District of Ningbo City Thunder Lane No. 116 Patentee after: Hu Yang Address before: West Road north of the city of Xianju County of Taizhou City, Zhejiang Province, No. 31 317300 Patentee before: ZHEJIANG XIANDING HYDRAULICS Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20210822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |