CN107448418B - A kind of vane pump - Google Patents
A kind of vane pump Download PDFInfo
- Publication number
- CN107448418B CN107448418B CN201710404622.4A CN201710404622A CN107448418B CN 107448418 B CN107448418 B CN 107448418B CN 201710404622 A CN201710404622 A CN 201710404622A CN 107448418 B CN107448418 B CN 107448418B
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- Prior art keywords
- pump
- stator
- impeller
- oil
- shaft
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Classifications
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
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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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
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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
- F04D29/007—Details, component parts, or accessories 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
- F04D29/40—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses a kind of vane pumps, belong to Marine Hydraulic Elements field.The vane pump further include: impeller housing, second flange plate, impeller and locking nut, the top of impeller housing is mounted on the bottom end of pump case, second flange plate is mounted on the bottom end of impeller housing, oil inlet is offered on second flange plate, impeller is arranged in impeller housing, and first shaft shoulder is provided on pump shaft, impeller set is on pump shaft, and be installed on first shaft shoulder, locking nut is mounted on the bottom of pump shaft, and impeller is fixed on first shaft shoulder.It flows through after the impeller pressurization that hydraulic oil passes through rotation by oil inlet into impeller housing and flows into pump case, and it flows into core assembly, after hydraulic oil is pressurized by impeller, it can be avoided the phenomenon that vane pump is emptied, moreover, the impeller and impeller housing added are integrated in pump case, to make the small volume of the vane pump, meanwhile supercharging effect can be realized by rotation pump shaft impeller rotation, this makes blower operations simple and convenient.
Description
Technical field
The present invention relates to Marine Hydraulic Elements field, in particular to a kind of vane pump.
Background technique
Vane pump has small size, light-weight, uniform flow and low noise etc. outstanding compared to gear pump and plunger pump
Advantage, this is widely used vane pump in hydraulic offer.
Existing vane pump specifically includes that pump case, pump shaft, stator, rotor, blade, valve plate, floating disc and two peaces
Two flanged plates mounted in pump case both ends offer oil inlet and oil outlet in pump case.The metered flow of usual vane pump
Generally no greater than 1000L/min, this is in order to avoid vane pump oil suction chamber goes out the phenomenon that being emptied, so that vane pump be made to shake
Situations such as dynamic and noise.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
Currently, the flow of many powerful hydraulic system of ship is all in 1000L/min or more, individual mechanical hydraulic pressure systems
The flow of system is up to 6000L/min, and the flow of vane pump provisioned in the hydraulic system of these big flows also requires very big, tradition
Vane pump can only rely on the parallel connection of multiple groups vane pump mode, the demand of Lai Shixian hydraulic system big flow.The liquid of multiple ontology
Pressure system has the defects of complicated for operation, to need biggish installation space and working service inconvenient.
Summary of the invention
It is too small in order to solve vane pump metered flow in the prior art, it can only be using more pumps simultaneously for large-flow hydraulic system
The hydraulic system of connection, the hydraulic system of the multiple ontology have complicated for operation, the biggish installation space of needs and using dimensions
The problem of the defects of shield is inconvenient, the embodiment of the invention provides a kind of vane pumps.The technical solution is as follows:
The embodiment of the invention provides a kind of vane pumps, comprising: pump case, first flange lid, pump shaft and core assembly, institute
Stating pump case is tubular, offers oil outlet on the side wall of the pump case, the first flange lid is fixed on the pump case
Top, the pump shaft, which is located in the pump case and may be rotatably mounted at the first flange, to be covered, the core assembly packet
Include: stator, rotor, blade, valve plate and floating disc, the stator is hollow structure, and the stator is fixed on the pump case
In vivo, the rotor is located in the stator and is fixed on the pump shaft, and the rotor is provided in the axial direction with multiple blade grooves,
The blade is mounted in the blade groove, and the valve plate and the floating disc are separately positioned on two end faces of the rotor
On.
The vane pump further include: impeller housing, second flange plate, impeller and locking nut, the top peace of the impeller housing
Mounted in the bottom end of the pump case, the second flange plate is mounted on the bottom end of the impeller housing, opens on the second flange plate
Equipped with oil inlet, the impeller is arranged in the impeller housing, and first shaft shoulder is provided on the pump shaft, and the impeller set is mounted in
It on the pump shaft, and is installed on first shaft shoulder, the locking nut is mounted on the bottom of the pump shaft, and by the leaf
Wheel is fixed on first shaft shoulder.
Specifically, the rotor and the stator arranged concentric, be provided on the inner surface of the stator two sections of orthodromes,
Two sections of small arc-shapeds and four sections of easement curves, two sections of orthodrome arranged for interval, two sections of small arc-shaped arranged for interval are adjacent
The orthodrome is connected with the small arc-shaped by one section of easement curve, is opened up respectively on the stator along round circumferential direction
There are two stator oil suction through-hole and two stator oil extraction through-holes, and two stator oil suction through-holes and two stator oil extractions
Through-hole is respectively arranged on four sections of easement curves.
Further, the diameter of two stator oil suction through-holes and two stator oil extraction through-holes each along the stator
To inclination arrangement, and the inclined direction of two stator oil suction through-holes is arranged each along the direction of rotation of the rotor, two
Direction of rotation opposed of the inclined direction of the stator oil extraction through-hole each along the rotor.
Further, the core assembly further includes positioning pin, the positioning pin pass through the stator, the valve plate and
The floating disc.
Specifically, valve plate outage, two valve plate oil-sucking holes and four fuel feeding there are two being opened up on the valve plate
Hole, two valve plate outages offer logical oil groove between corresponding two oil supplying holes respectively, match described in two
Flow table oil-sucking hole offers logical oil groove between corresponding two oil supplying holes respectively.
Further, stiffener plate, and the stiffener plate are provided between the reinforcing sleeve and the pump case
On the axis hole that offered recirculation hole and passed through for the pump shaft.
Specifically, the vane pump further includes lock-screw and fastening cover, and the fastening cover is fixed on the top of the impeller
Fastening cover is fixed on the pump shaft by portion, the lock-screw.
Technical solution provided in an embodiment of the present invention has the benefit that the embodiment of the invention provides a kind of blades
Pump, hydraulic oil are flowed through into impeller housing after being pressurized by oil inlet by the impeller of rotation and are flowed into pump case, and by valve plate and
Inlet port on floating disc flows into core assembly, after hydraulic oil is by impeller pressurization, can be avoided what being emptied occurred in vane pump
Phenomenon.Moreover, the impeller and impeller housing added are integrated in pump case, to make the small volume of the vane pump.Meanwhile it is logical
Crossing the rotation of rotation pump shaft impeller can be realized supercharging effect, this makes blower operations simple and convenient.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the schematic cross-sectional view of vane pump provided in an embodiment of the present invention；
Fig. 2 is the overlooking structure diagram of core assembly provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of stator provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram in the direction D-D in Fig. 1 provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram in the direction C-C in Fig. 2 provided in an embodiment of the present invention；
Fig. 6 is the overlooking structure diagram of stiffener plate provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram in the direction A-A in Fig. 2 provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram in the direction B-B in Fig. 2 provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
The embodiment of the invention provides a kind of vane pumps, and being suitable for large-flow hydraulic system, (flow can be 6000L/
Min), as shown in Figure 1, the vane pump includes: pump case 1, first flange lid 2, pump shaft 3, core assembly 4, impeller housing 10, second
Flanged plate 11, impeller 12 and locking nut 13.Pump case 1 is tubular, offers oil outlet 1a on the side wall of pump case 1, first
Blind flange 2 is fixed on the top of pump case 1, and pump shaft 3 is located in pump case 1 and may be rotatably mounted on first flange lid 2.Core
Component 4 includes: stator 5, rotor 6, blade 7 (referring to fig. 2), valve plate 8 and floating disc 9.Stator 5 is hollow structure, and stator 5
It is fixed in pump case 1, rotor 6 is located in stator 5 and is fixed on pump shaft 3.Fig. 2 is core set provided in an embodiment of the present invention
The top view of part.In conjunction with Fig. 2, rotor 6 is provided in the axial direction with multiple blade groove 6a, and blade 7 is mounted in blade groove 6a, valve plate
8 and floating disc 9 be separately positioned on upper and lower two end faces of rotor 6.Wherein, rotor 6 and pump shaft 3 can be connected by spline drived
It connects.When realizing, first flange lid 2 and pump shaft 3 can be connected by flange bearing 18, specifically, the is provided on pump shaft 3
Three shaft shoulder 3e and block piece 19, flange bearing 18 are installed between third shaft shoulder 3e and block piece 19.
The top of impeller housing 10 is mounted on the bottom end of pump case 1, and second flange plate 11 is mounted on the bottom end of impeller housing 10, the
Oil inlet 11a is offered on two flanged plates 11, impeller 12 is arranged in impeller housing 10, and the first shaft shoulder 3a, leaf are provided on pump shaft 3
Wheel 12 is sleeved on pump shaft 3, and is installed on the first shaft shoulder 3a, and locking nut 13 is mounted on the bottom of pump shaft 3, and by impeller 12
It is fixed on the first shaft shoulder 3a.When realizing, it is provided with the screw thread matched with locking nut 13 in the bottom outer wall of pump shaft 3,
Pump shaft 3 and locking nut 13 are connected through a screw thread.Wherein, impeller 12 can be sequentially connected with pump shaft 3 by flat key.
Specifically, referring again to Fig. 1, flow deflector 15 and bearing that multiple circular pump shafts 3 are arranged are provided in impeller housing 10
16, multiple flow deflectors 15 are arranged between impeller 12 and core assembly 4, and the second shaft shoulder 3b and the first block piece are provided on pump shaft 3
20, the inner ring of bearing 16 is installed between the second shaft shoulder 3b and the first block piece 20, and multiple flow deflectors 15 are each attached to bearing 16
On outer ring.In the present embodiment, flow deflector 15 can be 5~8, and flow deflector 15 can be brought into being rotated by impeller 12
Hydraulic oil is shunted, to guarantee that hydraulic oil can uniformly flow into pump case 1, bearing 16 can support flow deflector 15.
When realizing, flow deflector 15 can be processed into an entirety with impeller housing 10.
Specifically, which can also include lock-screw 17 and fastening cover 21, and fastening cover 21 is fixed on impeller 12
Fastening cover 21 is fixed on pump shaft 3 by bottom, lock-screw 17.Lock-screw 17 and fastening cover 21 can be further ensured that impeller
12 are fixed on pump shaft 3.
Specifically, rotor 6 and 5 arranged concentric of stator are provided with two sections of orthodromes, two sections of roundlets on the inner surface of stator 5
Arc and four sections of easement curves, two sections of orthodrome arranged for interval, two sections of small arc-shaped arranged for interval, adjacent orthodrome and small arc-shaped are logical
Cross one section of easement curve connection.When pump shaft 3 rotates, blade 7 is close to the inner surface of stator 5 and pump shaft 3 is followed to rotate.
Further, Fig. 3 is stator structure schematic diagram provided in an embodiment of the present invention.In conjunction with Fig. 2 and Fig. 3, edge on stator 5
Round circumferential direction is opened up respectively there are two stator oil suction through-hole 5a and two stator oil extraction through-hole 5b, and two stator oil suction through-holes
5a and two stator oil extraction through-hole 5b is respectively arranged on four sections of easement curves, and when realizing, four sections of easement curves are respectively corresponded
Be two oil sucting cavities and two oil-discharging cavities, two stator oil suction through-hole 5a are connected to two oil sucting cavities respectively, two stators row
Oil hole 5b is connected to two oil-discharging cavities respectively.By opening up two stator oil suction through-hole 5a and two stator rows on stator 5
Oil hole 5b is capable of increasing the oil suction and oil extraction ability of vane pump, to reduce the power loss of vane pump.
Further, radial skew of the two stator oil suction through-hole 5a and two stator oil extraction through-hole 5b each along stator 5
Arrangement, and the inclined direction of two stator oil suction through-hole 5a is arranged along the direction of rotation of rotor 6, two stator oil extraction through-hole 5b
Inclined direction along rotor 6 direction of rotation opposed.By by two stator oil suction through-hole 5a and two stator oil extractions
The inclination arrangement of through-hole 5b can enable hydraulic oil suitable by two stator oil suction through-hole 5a along the direction of rotation of rotor 6
Enter in rotor 6 sharply, and is smoothly discharged out core assembly 4 by two stator oil extraction through-hole 5b.
In the present embodiment, the radian of two sections of small arc-shapeds all can be 32 °, and the radian of two sections of orthodromes all can be 38 °,
The radian of four sections of easement curves all can be 55 °.Two stator oil suction through-hole 5a are with the symmetrical cloth of the line of centres of two small arc-shapeds
It sets, two stator oil extraction through-hole 5b are arranged symmetrically with the line of centres of two small arc-shapeds, the stator oil suction through-hole of small arc-shaped side
5a and stator oil extraction through-hole 5b can be formed by a drilling processing, and the aperture X2: stator oil suction of stator oil suction through-hole 5a is logical
Hole 5a close to orthodrome side wall to 5 inner wall of stator distance X1: stator oil suction through-hole 5a close to small arc-shaped side wall to stator
The distance X3=170:60:144 at center.When realization, two stator oil suction through-hole 5a and two stator oil extraction through-hole 5b
Think the through-hole of oval type.
Specifically, core assembly 4 can be two, and two core assemblies 4 are arranged side by side along the axial direction of pump shaft 3.It is logical
It crosses two core assemblies 4 in parallel of setting and increases the circulation area of suction oil, improve the oil suction and oil extraction ability of vane pump,
And it is further reduced the power loss of vane pump, and the occupied space of two core assemblies 4 in parallel is smaller.
Further, Fig. 4 is the cross-sectional view of vane pump provided in an embodiment of the present invention.As shown in figure 4, two core assemblies
4 valve plate 8 is positioned opposite.It is can be set in pump case 1 there are two support base 1b, the valve plate 8 of two core assemblies 4 and fixed
Son 5 is separately mounted in two support base 1b, and sleeve 1c is reinforced in setting between two support base 1b, is reinforced sleeve 1c and is set in pump
On axis 3.The floating disc 9 of two core assemblies 4 is separately mounted on the top and flow deflector 15 of pump case 1.Pass through support base 1b
It is capable of fixing valve plate 8 and stator 5.In the present embodiment, it is opened up in pump case 1 fluted for clamping close to first flange lid
Floating disc 9 at 2.
Specifically, Fig. 5 is the cross-sectional view of core assembly.In conjunction with Fig. 2 and Fig. 5, core assembly 4 can also include positioning pin
14.Positioning pin 14 passes through stator 5, valve plate 8 and floating disc 9.When assembling vane pump, can be guaranteed by positioning pin 14
Two stator oil suction through-hole 5a on stator 5 respectively with two valve plate oil-sucking hole 8b on valve plate 8 and two on floating disc 9
A floating disc oil-sucking hole is accurately positioned, two stator oil extraction through-hole 5b on stator 5 respectively with two valve plates on valve plate 8
Two floating disc outages on outage 8a and floating disc 9 are accurately positioned.
Further, Fig. 6 is the top view provided in an embodiment of the present invention for reinforcing sleeve.In conjunction with Fig. 4 and Fig. 6, rigidized cover
It is provided with stiffener plate 1d between cylinder 1c and pump case 1, and offered recirculation hole 101d on stiffener plate 1d and for being set with
Reinforce the mounting hole 102d of sleeve 1c.Two support base 1b are arranged in the present embodiment, and the distance between two support base 1b are farther out,
And the stress-bearing capability for reinforcing sleeve 1c is limited, can be improved the stress-bearing capability of pump case 1 by the way that stiffener plate 1d is arranged, to mention
The reliability of high vane pump.When realizing, crossing recirculation hole 101d for two and can be arranged symmetrically in the two sides of mounting hole 102d,
And recirculation hole 101d excessively can be triangular form, be specifically as follows equilateral or isoceles triangle type, the recirculation hole excessively of two triangular forms
The apex angle of 101d is positioned opposite.Wherein, support base 1b, reinforcing sleeve 1c and stiffener plate 1d can cast one with pump case 1
Body, to improve the stress intensity of pump case 1.
Specifically, Fig. 7 and Fig. 8 is respectively two cross-sectional views of core assembly.In conjunction with Fig. 2, Fig. 7 and Fig. 8, on valve plate 8
Valve plate outage 8a, two valve plate oil-sucking hole 8b and four oil supplying holes 8c, two valve plate outage 8a there are two opening up
Offer logical oil groove 8d between corresponding two oil supplying hole 8c respectively, two valve plate oil-sucking hole 8b respectively with corresponding two
Logical oil groove 8d is offered between oil supplying hole 8c.Compared with traditional vane pump, traditional vane pump in oil sucting cavity or oil-discharging cavity,
Root of blade is not connected to oil pocket locating for vane tip, so that blade force unbalance, and then influence leaf at work
The service life of piece.In the present embodiment, by opening up logical oil groove 8d for two valve plate outage 8a and two of them fuel feeding
Hole 8c connection, two valve plate oil-sucking hole 8b is connected to another two oil supplying hole 8c, this makes blade 7 in oil sucting cavity, blade 7
Top and root be connected to oil sucting cavity, so that the power for enabling the root of blade 7 and top to be subject to balances, in oil-discharging cavity,
The top and root of blade 7 are connected to oil-discharging cavity, so that the power for enabling the root of blade 7 and top to be subject to balances, in this way
Blade 7 can be made only to be subject to centrifugal forces in rotary course, to extend the service life of blade 7.
In the present embodiment, be emptied to further avoid vane pump, selected impeller needs to meet: hydraulic oil into
The sum of pressure and air separation pressure is lost in the oil sucting cavity runner of the sum of the pressure of oil port and impeller boost pressure > vane pump.
Wherein, the oil sucting cavity runner loss pressure and air separation pressure of vane pump are definite value.
It following is a brief introduction of the working principle of vane pump provided in an embodiment of the present invention, specific as follows:
Starting vane pump rotates pump shaft 3, and pump shaft 3 will drive impeller 12 when rotated and rotate together, and impeller 12 can incite somebody to action
Hydraulic oil is sucked by oil inlet 11a, is passed through in pump case 1, is finally flowed into core assembly 4 after being increased by impeller 12.
The embodiment of the invention provides a kind of vane pump, hydraulic oil by oil inlet by rotation impeller be pressurized after flow through into
Impeller housing flows into pump case, and is flowed into core assembly by the inlet port on valve plate and floating disc, and hydraulic oil passes through leaf
After wheel pressurization, the phenomenon that vane pump is emptied can be avoided.Moreover, the impeller and impeller housing added are integrated in pump case
On, to make the small volume of the vane pump.Meanwhile supercharging effect can be realized by rotation pump shaft impeller rotation, this
So that blower operations are simple and convenient.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of vane pump, comprising: pump case, first flange lid, pump shaft and core assembly, the pump case is tubular, described
Oil outlet is offered on the side wall of pump case, the first flange lid is fixed on the top of the pump case, and the pump shaft is located at
In the pump case and it may be rotatably mounted at the first flange and cover, the core assembly includes: stator, rotor, blade, matches
Flow table and floating disc, the stator is hollow structure, and the stator is fixed in the pump case, and the rotor is located at described
It in stator and is fixed on the pump shaft, the rotor is provided in the axial direction with multiple blade grooves, and the blade is mounted on the leaf
In film trap, the valve plate and the floating disc are separately positioned on two end faces of the rotor, which is characterized in that
The vane pump further include: impeller housing, second flange plate, impeller and locking nut, the top of the impeller housing are mounted on
The bottom end of the pump case, the second flange plate are mounted on the bottom end of the impeller housing, offer on the second flange plate
Oil inlet, the impeller are arranged in the impeller housing, first shaft shoulder are provided on the pump shaft, the impeller set is mounted in described
It on pump shaft, and is installed on first shaft shoulder, the locking nut is mounted on the bottom of the pump shaft, and the impeller is consolidated
It is scheduled on first shaft shoulder；
Multiple flow deflectors around pump shaft arrangement are provided in the impeller housing, multiple flow deflectors are arranged in the leaf
Between wheel and the core assembly；The core assembly is two, and two core assemblies are along the axial direction of the pump shaft
It is arranged side by side；
The valve plate of two core assemblies is positioned opposite, and there are two support base, two cores for setting in the pump case
The valve plate and the stator of parts are separately mounted in two support bases, are arranged between two support bases
Sleeve is reinforced, the reinforcing sleeve is set on the pump shaft, and the floating disc of two core assemblies is separately mounted to pump case
On the top of body and the flow deflector.
2. vane pump according to claim 1, which is characterized in that the rotor and the stator arranged concentric, it is described fixed
Two sections of orthodromes, two sections of small arc-shapeds and four sections of easement curves are provided on the inner surface of son, two sections of orthodrome arranged for interval,
Two sections of small arc-shaped arranged for interval, the adjacent orthodrome and the small arc-shaped are connected by one section of easement curve,
Stator oil suction through-hole and two stator oil extraction through-holes there are two along the circumferential direction being opened up respectively on the stator, and two are described fixed
Sub- oil suction through-hole and two stator oil extraction through-holes are respectively arranged on four sections of easement curves.
3. vane pump according to claim 2, which is characterized in that two stator oil suction through-holes and two stators
Oil extraction through-hole is arranged each along the radial skew of the stator, and the inclined direction of two stator oil suction through-holes is each along institute
State the direction of rotation arrangement of rotor, the direction of rotation phase of the inclined directions of two stator oil extraction through-holes each along the rotor
Anti- arrangement.
4. vane pump according to claim 2, which is characterized in that the core assembly further includes positioning pin, the positioning
Pin is across the stator, the valve plate and the floating disc.
5. vane pump according to claim 2, which is characterized in that valve plate oil extraction there are two being opened up on the valve plate
Hole, two valve plate oil-sucking holes and four oil supplying holes, two valve plate outages respectively with corresponding two fuel feeding
Logical oil groove is offered between hole, two valve plate oil-sucking holes offer between corresponding two oil supplying holes logical respectively
Oil groove.
6. vane pump according to claim 1, which is characterized in that be provided between the reinforcing sleeve and the pump case
Stiffener plate, and the axis hole for offering recirculation hole in the stiffener plate and being passed through for the pump shaft.
7. vane pump according to claim 1, which is characterized in that the vane pump further includes that lock-screw and fastening are covered,
The fastening cover is fixed on the top of the impeller, and fastening cover is fixed on the pump shaft by the lock-screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404622.4A CN107448418B (en) | 2017-06-01 | 2017-06-01 | A kind of vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404622.4A CN107448418B (en) | 2017-06-01 | 2017-06-01 | A kind of vane pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107448418A CN107448418A (en) | 2017-12-08 |
| CN107448418B true CN107448418B (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710404622.4A Active CN107448418B (en) | 2017-06-01 | 2017-06-01 | A kind of vane pump |
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|---|---|---|---|---|
| EP0398377A2 (en) * | 1989-05-19 | 1990-11-22 | Vickers Incorporated | Rotary hydraulic machine |
| CN2117479U (en) * | 1992-03-25 | 1992-09-30 | 吉林省锻压设备厂 | Vacuum oil drain pump |
| EP0743457A1 (en) * | 1995-05-15 | 1996-11-20 | Itt Manufacturing Enterprises, Inc. | Centrifugal pump with flexible vanes priming pump |
| CN2353937Y (en) * | 1998-06-12 | 1999-12-15 | 燕山大学 | Plunger-type roller pump |
| CN1429180A (en) * | 2000-05-18 | 2003-07-09 | 多米蒂克器具股份公司 | Pumping arrangement for household water purifier |
| CN201193615Y (en) * | 2008-03-31 | 2009-02-11 | 浙江工业大学 | Double-acting rotor pump with double-channel stator |
-
2017
- 2017-06-01 CN CN201710404622.4A patent/CN107448418B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0398377A2 (en) * | 1989-05-19 | 1990-11-22 | Vickers Incorporated | Rotary hydraulic machine |
| CN2117479U (en) * | 1992-03-25 | 1992-09-30 | 吉林省锻压设备厂 | Vacuum oil drain pump |
| EP0743457A1 (en) * | 1995-05-15 | 1996-11-20 | Itt Manufacturing Enterprises, Inc. | Centrifugal pump with flexible vanes priming pump |
| CN2353937Y (en) * | 1998-06-12 | 1999-12-15 | 燕山大学 | Plunger-type roller pump |
| CN1429180A (en) * | 2000-05-18 | 2003-07-09 | 多米蒂克器具股份公司 | Pumping arrangement for household water purifier |
| CN201193615Y (en) * | 2008-03-31 | 2009-02-11 | 浙江工业大学 | Double-acting rotor pump with double-channel stator |
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| CN107448418A (en) | 2017-12-08 |
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