CN109538468A - Double-function variable vane pump - Google Patents
Double-function variable vane pump Download PDFInfo
- Publication number
- CN109538468A CN109538468A CN201811142374.1A CN201811142374A CN109538468A CN 109538468 A CN109538468 A CN 109538468A CN 201811142374 A CN201811142374 A CN 201811142374A CN 109538468 A CN109538468 A CN 109538468A
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- Prior art keywords
- slot
- blade
- locating slot
- rotor
- annulus
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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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a kind of double-function variable vane pumps, including shell, rotor, blade, rotor is located at center, case cover is in rotor exterior, a circle annulus K1 is extended with to centre of sphere direction at inner walls centering, inner walls are along the circumferential direction uniformly provided at least three left locating slots and right locating slot, are mounted on blade on left locating slot and right locating slot；It is provided with an annular groove at the rotor sidewall centering, left sliding slot is provided on annular groove left side, right rail is provided on annular groove right side, the blade on left locating slot is also slidably arranged on left sliding slot；Blade on right locating slot is also slidably arranged on right rail；Annulus K1 is clipped between the blade on the blade on left locating slot and right locating slot, and a cavity is formed between two neighboring blade, ring groove surface, inner walls and annulus K1 side wall；The axis of rotor and the axis of shell are not overlapped；The relative linear velocity of blade and shell of the invention is zero, can be operated with flank speed.
Description
Technical field
The present invention relates to Pump with multiple vane more particularly to a kind of double-function variable vane pumps.
Background technique
Existing blade pump configuration is that a rotor eccentricity is placed in cylinder body, blade radial or with rotor radius at certain
Angle is placed in rotor, and rotor high speed rotation when work, blade is thrown away under the influence of centrifugal force, is formed and is sealed with cylinder body
Chamber, volume variation generates pressure when rotation.This form vane pump is due to being close by a contact line between blade and cylinder body
Envelope, therefore sealing performance is poor, output pressure is lower, in addition the relative linear velocity of blade and cylinder body is very big when rotation, generates
Very big friction, causes vane pump overall wear fast, and the service life is short, low efficiency.In this way, the revolving speed of pump cannot be too high.In addition, when rotation
In order to guarantee that blade can pass in and out safely in rotor, rotor must have comparable diameter, and the discharge capacity that is bound in this way is smaller, especially become
Amount pump, it is even more so.
Summary of the invention
The object of the present invention is to provide be face sealing, not easy to wear, the opposite linear speed of blade and shell at whole sealings
Degree is zero, can be operated with flank speed, and volume very little, discharge capacity is very big, a kind of very high double-function variable vane pump of output pressure.
In order to achieve the above object, The technical solution adopted by the invention is as follows: a kind of double-function variable vane pump, including shell
Body, blade, matches oil clot, guide pad at rotor, and rotor is located at center, and case cover is at rotor exterior, inner walls centering to the centre of sphere
Direction is extended with a circle annulus K1, and inner walls are along the circumferential direction uniformly provided at least three left locating slots, and inner walls are along circle
Circumferential direction be uniformly provided with left locating slot right locating slot correspondingly, left locating slot and right locating slot are about the symmetrical cloth of annulus K1
It sets, is mounted on blade on left locating slot and right locating slot；An annular groove is provided at the rotor sidewall centering, on annular groove left side
Be provided with left locating slot left sliding slot correspondingly, be provided on annular groove right side and the one-to-one right rail of right locating slot, it is left
Blade on locating slot is also slidably arranged on left sliding slot, and is sealed by sealing element；Blade on right locating slot, which also slides, to be set
It sets on right rail, and is sealed by sealing element；Annulus K1 be clipped in the blade on the blade on left locating slot and right locating slot it
Between, a cavity is formed between two neighboring blade, ring groove surface, inner walls and annulus K1 side wall, be provided on rotor with
The identical hydraulic fluid port of cavity quantity, a hydraulic fluid port are connected with a cavity, and the both ends of rotor are respectively connected with oil clot；Outside shell
There is wall a dome ring J1, dome ring J1 to be placed in the guide groove of guide pad；The axis of rotor and the axis of shell are not overlapped；
When the rotor is turning, rotor band movable vane piece rotates together, during rotation, the blade on left sliding slot and right rail
Stretching motion is periodically completed, so that the variation of the volume generating period of cavity, and then periodically form high-pressure chamber
With low pressure cavity, low pressure cavity is by matching oil clot oil suction, and high-pressure chamber is by matching oil clot oil extraction.
It further, is dolioform billiard table A2 that both ends cut out two spherical crowns in parallel in the rotor, the two of billiard table A2
End is conical side surface C2 and conical side surface D2, and billiard table A2, conical side surface C2 and conical side surface D2 constitute annular groove；On conical side surface C2
With conical side surface C2 is divided equally with the one-to-one slot E2 of right locating slot, slot E2, slot E2 is right rail；Have on conical side surface D2
Have with the one-to-one slot F2 of left locating slot, respectively conical side surface D2, slot F2 are left sliding slot；It is two neighboring on conical side surface C2
There is a hole K2 between slot E2, has a hole K2 ' between two neighboring slot F2 on conical side surface D2, be connected with conical side surface C2
Face be spherical surface G2, be spherical surface H2 with the face being connected conical side surface D2, the radius and the centre of sphere of spherical surface G2 and spherical surface H2 are and shell
The radius of Internal Spherical Surface A1 is identical with the centre of sphere, and the both ends of the surface of rotor are anchor ring I2 and anchor ring J2, be evenly equipped on anchor ring I2 with
Hole L2 ' corresponding with hole K2 ', hole L2 and corresponding hole K2 phase are evenly equipped on hole K2 corresponding hole L2, anchor ring J2
Connection forms the second hydraulic fluid port, is used for oil inlet or oil extraction；Hole L2 ' is connected with corresponding hole K2 ', forms the first hydraulic fluid port,
It is used for oil inlet or oil extraction.
Further, the shape of the cross section of the slot E2 and slot F2 is by cone plane S2, circular arc P2 and cone plane
M2 is connected in sequence, and cone plane S2 and the outer end for boring plane M2 are respectively connected with a circular arc R 2, and two circular arc Rs 2 are concentric, each
Sealing element is installed in circular arc R 2.
Further, the sealing element includes cushion block and elastic sealing strip, is sequentially placed inside-out in each circular arc R 2
One elastic sealing strip and a cushion block, two cushion blocks are located at the both sides of a piece of blade, and abut with blade；
Or, also combinable be integrated is placed in circular arc R 2 for the cushion block and elastic sealing strip.
Further, the cushion block is strip, and cross section is crescent, the radical length phase of length and annulus K1
Deng；
The elastic sealing strip is strip, and cross section is semi-circular shape, the radius phase of exradius and circular arc R 2
Together, inner circle radius is identical as the radius of cushion block crescent, and length is equal with the radical length of annulus K1.
Further, the shell has Internal Spherical Surface A1 and spherical outside surface B1, and Internal Spherical Surface A1 is that both ends are parallel with spherical outside surface B1
It cuts out the dolioform spherical surface of the spherical crown of same size, is extended with a circle annulus K1 to centre of sphere direction at the centering of Internal Spherical Surface A1, it should
The both sides annulus K1 are two parallel circular planes C1 and D1, are interior Surface of Sphere E1 among annulus K1, diameter and billiard table A2's
Diameter is equal；Inner walls are along the circumferential direction uniformly provided at least three bar groove P1, as left locating slot；Inner walls are circumferentially square
To uniformly be provided with the one-to-one slot P1 ' of left locating slot, as right locating slot, slot P1 and slot P1 ' are about the symmetrical cloth of annulus K1
It sets, the width of slot P1 and slot P1 ' are identical as the thickness of blade, and a circle annulus J1 is outwardly protruded in the middle part of spherical outside surface B1.
Further, the blade is by former and later two parallel planes A3, B3, upper and lower two cylinders C3, D3, a side and
The oval cylinder F3 in the other side is enclosed；Wherein, the radius of cylinder C3 and the center of circle slot bottom with slot P1 or slot P1 ' on shell respectively
The radius in face is identical with the center of circle, and the radius of cylinder D3 and the center of circle are identical as the radius of billiard table A2 and the center of circle respectively；Oval cylinder F3
It is hinged on piston shoes.
Further, the oil clot of matching is a cylindrical body, the diameter and two ends of rotor disc of the external cylindrical surface A4 of cylindrical body
The diameter of I2 and J2 is equal, is opened on cylindrical body there are two waist through hole B4 and C4, a waist through hole is communicated with high pressure chest, another
A waist through hole is communicated with low pressure chamber.
Further, the external end head of blade is mounted on piston shoes, and piston shoes are abutted with the side annulus K1.
Further, the piston shoes are strip, by left and right two parallel plane A5, B5, upper spherical surface C5, lower peripheral surface D5,
Bottom surface E5 and another side fluted column face F5 are enclosed；Wherein, the radius of spherical outside surface C5 and the center of circle and the half of shell Internal Spherical Surface A1
Diameter is identical with the center of circle, and the radius of lower peripheral surface D5 and the center of circle are identical as the radius of rotor playing surface of the table A2 and the center of circle, fluted column face F5 with
The radius of the oval cylinder F3 of blade is identical with the center of circle；Bottom surface E5 is abutted with the circular planes C1 of annulus K1 or circular planes D1.
Present invention has the advantage that
It 1) is face sealing at all sealings；
2) discharge capacity is big, and pressure is high, high-efficient；
3) compared to traditional plunger pump and vane pump, vane pump specific power provided by the invention is big；
4) by adjusting the tilt angle of guide pad, that is, adjustment housings interior annular K1 axis and rotor axis
Angle can adjust the flow of pump；
5) rotor and shell relative linear velocity are very low, can be run with hypervelocity；
6) compact-sized, processing is relatively easy；
7) cost is relatively low, and the service life is long.
8) double-acting form is used, compared to the form of single-acting, specific power is bigger.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 a is schematic diagram of housing structure of the invention；
Fig. 2 b is the kk diagrammatic cross-section of Fig. 2 a；
Fig. 3 a is rotor structure schematic diagram；
Fig. 3 b is the left view of Fig. 3 a；
Fig. 3 c is the T-T diagrammatic cross-section of Fig. 3 a；
Fig. 4 a is blade construction schematic diagram of the present invention；
Fig. 4 b is the K direction view of Fig. 4 a；
Fig. 5 is of the invention with oil clot structural schematic diagram；
Fig. 6 a is piston shoes schematic diagram of the invention；
Fig. 6 b is the MM diagrammatic cross-section of Fig. 6 a；
Fig. 7 is blade and piston shoes structural schematic diagram of the invention；
Fig. 8 is cushion block longitudinal direction schematic diagram of the invention；
Fig. 9 is elastic sealing strip longitudinal direction schematic diagram of the invention；
Figure 10 is rotor of the invention, blade, cushion block and elastic sealing strip partial schematic diagram；
Figure 11 is the eccentric placement schematic diagram of cushion block and elastic sealing strip in slot E2 and F2；
In figure: 1. shells, 2. rotors, 3. blades, 4. match oil clot, 5. piston shoes, 6. guide pads, 7. cushion blocks, 8. elastic packings
Item.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description and attached
When figure, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.In following exemplary embodiment
Described embodiment does not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
It is described in detail in middle claims, the example of the consistent device of some aspects of the invention.Each implementation of this specification
Example is described in a progressive manner.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
As shown in Figure 1, the embodiment of the present invention provides a kind of double-function variable vane pump, including shell 1, rotor 2, blade 3,
With oil clot 4, guide pad 6, rotor 2 is located at center, and shell 1 covers on outside rotor 2, prolongs at 1 inner wall centering of shell to centre of sphere direction
Stretching has a circle annulus K1, and 1 inner wall of shell is along the circumferential direction uniformly provided at least three left locating slots, and 1 inner wall of shell is circumferentially square
To being uniformly provided with that right locating slot, left locating slot and right locating slot are arranged symmetrically about annulus K1 correspondingly with left locating slot,
Blade 3 is mounted on left locating slot and right locating slot；An annular groove is provided at the 2 side wall centering of rotor, on annular groove left side
Be provided with left locating slot left sliding slot correspondingly, be provided on annular groove right side and the one-to-one right rail of right locating slot, it is left
Blade 3 on locating slot is also slidably arranged on left sliding slot, and is sealed by sealing element；Blade 3 on right locating slot also slides
It is arranged on right rail, and is sealed by sealing element；Annulus K1 is clipped in the blade on the blade 3 and right locating slot on left locating slot
Between 3, a cavity is formed between two neighboring blade 3, ring groove surface, 1 inner wall of shell and annulus K1 side wall, on rotor 2
It is provided with hydraulic fluid port identical with cavity quantity, a hydraulic fluid port is connected with a cavity, and the both ends of rotor 2 are respectively connected with oil clot 4；
There is the outer wall of shell 1 a dome ring J1, dome ring J1 to be placed in the guide groove of guide pad 6；The axis and shell 1 of rotor 2
Axis be not overlapped；
When rotor 2 rotates, rotor 2 is rotated together with movable vane piece 3, during rotation, on left sliding slot and right rail
Blade 3 periodically completes stretching motion, so that the variation of the volume generating period of cavity, and then periodically form high pressure
Cavity and low pressure cavity, low pressure cavity is by matching 4 oil suction of oil clot, and high-pressure chamber is by matching 4 oil extraction of oil clot.
It should be noted that the quantity of the blade 3 is at least 6, sliding slot (left sliding slot and right rail) and piston shoes
Quantity is identical as the quantity of blade 3, and below by taking the quantity of blade 3 is 18 as an example, what the present invention is further explained is specific
Scheme, for those skilled in the art according to description below, the quantity of acquisition blade 3 that also can be beyond all doubt is other implement
Example.
Fig. 2 a and Fig. 2 b are the shape and structure schematic diagram of shell 1 of the invention.The shell 1 has Internal Spherical Surface A1 and spherical outside surface
B1, Internal Spherical Surface A1 and spherical outside surface B1 are the dolioform spherical surface of the parallel spherical crown for cutting out same size in both ends, pair of Internal Spherical Surface A1
It is two parallel circular planes C1 and D1, annulus K1 that middle place, which is extended with the both sides circle annulus K1, annulus K1 to centre of sphere direction,
Centre is interior Surface of Sphere E1, and diameter is equal with the diameter of billiard table A2；1 inner wall of shell is along the circumferential direction uniformly provided with nine bar grooves
P1, as left locating slot；1 inner wall of shell is along the circumferential direction uniformly provided with to be determined with the one-to-one slot P1 ' of left locating slot, the as right side
Position slot, slot P1 and slot P1 ' are arranged symmetrically about annulus K1, and the width of slot P1 and slot P1 ' are identical as the thickness of blade 3, ectosphere
A circle annulus J1 is outwardly protruded in the middle part of the B1 of face；The thickness of annulus J1 is identical as annulus K1, like the extension that annulus K1 is outside
Point, annulus K1 and annulus J1 constitute large circle, and large circle can also be separated with shell 1, individually become a swash plate, and procapsid 1 is left
Right two halves abutting is fixed on the swash plate.
Fig. 3 a and Fig. 3 b show the shape and structure schematic diagram of rotor 2 of the invention.It is that both ends are parallel in the rotor 2
The dolioform billiard table A2 of two spherical crowns is cut out, the both ends of billiard table A2 are conical side surface C2 and conical side surface D2, billiard table A2, circular cone side
Face C2 and conical side surface D2 constitutes annular groove；Have and the one-to-one slot E2 of right locating slot, the equal cyclotomy of slot E2 on conical side surface C2
Side C2 is bored, slot E2 is right rail；Have on conical side surface D2 and the one-to-one slot F2 of left locating slot, respectively conical side surface
D2, slot F2 are left sliding slot；There is a hole K2 on conical side surface C2 between two neighboring slot E2, it is two neighboring on conical side surface D2
There is a hole K2 ' between slot F2, be spherical surface G2 with the face being connected conical side surface C2, is spherical surface with the face being connected conical side surface D2
The radius and the centre of sphere of H2, spherical surface G2 and spherical surface H2 are identical as the radius of 1 Internal Spherical Surface A1 of shell and the centre of sphere, the both ends of the surface of rotor 2
It is anchor ring I2 and anchor ring J2, hole L2 corresponding with hole K2 is evenly equipped on anchor ring I2, is evenly equipped on anchor ring J2 and hole
K2 ' corresponding hole L2 ', hole L2 are connected with corresponding hole K2, form the second hydraulic fluid port, are used for oil inlet or oil extraction；Hole
L2 ' is connected with corresponding hole K2 ', forms the first hydraulic fluid port, is used for oil inlet or oil extraction.As shown in Figure 3c, the slot E2
Shape with the cross section of slot F2 be by cone plane S2, circular arc P2 and cone plane M2 be connected in sequence, cone plane S2 and
The outer end of cone plane M2 is respectively connected with a circular arc R 2, and two circular arc Rs 2 with one heart, are equipped with sealing element in each circular arc R 2.
Fig. 4 a and Fig. 4 b are the shape and structure schematic diagram of blade 3 of the invention.The blade 3 shares identical 18, institute
Blade 3 is stated by former and later two parallel planes A3, B3, upper and lower two cylinders C3, D3, a side and the oval cylinder F3 in the other side enclose
It closes；Wherein, the radius of cylinder C3 and the center of circle respectively with the radius and center of circle phase of the groove bottom of slot P1 or slot P1 ' on shell 1
Together, the radius of cylinder D3 and the center of circle are identical as the radius of billiard table A2 and the center of circle respectively；Oval cylinder F3 is hinged on piston shoes 5, such as
Shown in Fig. 7.
Fig. 5 is the shape and structure schematic diagram with oil clot 4 of the invention.The oil clot 4 of matching is a cylindrical body, outside cylindrical body
The diameter of cylindrical surface A4 is equal with the diameter of rotor 2 both ends disc I2 and J2, is opened on cylindrical body there are two waist through hole B4 and C4,
One waist through hole is communicated with high pressure chest, another waist through hole is communicated with low pressure chamber.
Fig. 6 a and Fig. 6 b are the shape and structure schematic diagram of piston shoes 5 of the invention.Preferably, the external end head of blade 3 is installed
On piston shoes 5, piston shoes 5 are abutted with the side annulus K1；The piston shoes 5 are strip, share identical 18, flat by left and right two
Row plane A5, B5, upper spherical surface C5, lower peripheral surface D5, bottom surface E5 and another side fluted column face F5 are enclosed；Wherein, spherical outside surface C5
Radius and the center of circle it is identical as the radius of 1 Internal Spherical Surface A1 of shell and the center of circle, the radius of lower peripheral surface D5 and the center of circle and 2 playing surface of the table of rotor
The radius of A2 is identical with the center of circle, and fluted column face F5 is identical as the radius of the oval cylinder F3 of blade 3 and the center of circle；Bottom surface E5 and annulus K1
Circular planes C1 or circular planes D1 abut.
The sealing element includes cushion block 7 and elastic sealing strip 8, is sequentially placed an elasticity in each circular arc R 2 inside-out
Sealing strip 8 and a cushion block 7, two cushion blocks 7 are located at the both sides of a piece of blade 3, and abut with blade 3；Or, the cushion block
7 and elastic sealing strip 8 also combinable be integrated is placed in circular arc R 2.
Fig. 8 is the shape and structure schematic diagram of cushion block 7 of the invention.The cushion block 7 is strip, and cross section is crescent moon
Shape, length are equal with the radical length of annulus K1；Cushion block 7 shares 36.
Fig. 9 is the shape and structure schematic diagram of elastic sealing strip 8 of the invention.The elastic sealing strip 8 is strip, horizontal
Section is semi-circular shape, and exradius is identical as the radius of circular arc R 2, the radius phase of inner circle radius and 7 crescent of cushion block
Together, and with one heart (such as Figure 10), naturally it is also possible to which decentraction (such as Figure 11), length are equal with the radical length of annulus K1；Elasticity
Sealing strip 8 shares 36.
Remaining technology not explained is the technical solution that those skilled in the art note, and which is not described herein again.
Operation working principle of the invention is as follows:
One closing cavity of formation between two neighboring blade 3, ring groove surface, 1 inner wall of shell and annulus K1 side wall, one
18 cavities are shared, is i.e. there are 9 on the left of annulus K1, right side there are 9；
Now by taking the right end of pump as an example, as shown in Figure 1,1 annulus K1 of shell is located at Far Left, at this moment the cavity topmost
Volume is maximum.And in bottom, 1 annulus K1 of shell is located at rightmost, and at this moment the cavity volume is minimum.When rotor 2 rotates, turn
2 band movable vane piece 3 of son rotates together, and during rotation, the blade 3 on left sliding slot and right rail periodically completes flexible fortune
Dynamic, so that the variation of the volume generating period of cavity, the lowermost cavity volume positioned at pump is gradually increased by minimum, at this moment
The cavity and high pressure chest disconnect, and communicating with low pressure chamber with oil clot 4 by right end, and what which began through right end matches oil clot
4 oil suctions.When rotor 2 is screwed into the top by bottom, which reaches maximum.When rotor 2 continue rotation when, be exactly by
When the top rotation direction bottom rotates, which is started zooming out, and the cavity and low pressure chamber disconnect, and by right end with oil
Block 4 is communicated with high pressure chest, the cavity begin through right end with 4 oil extraction of oil clot.This completes a circulations.Continue to rotate,
It so in cycles, will constantly oil suction oil extraction.Other cavities are also identical.
Similarly, in the left-hand end of pump, situation and right end on the contrary, to realize double acting.
If adjust guide pad 6 tilt angle, that is, 1 interior annular K1 of adjustment housings axis and rotor 2 axis
Angle, the flow of pump can be adjusted.
Above-described embodiment is used to illustrate the present invention, rather than limits present aspect, in spirit of the invention and
In scope of protection of the claims, to any modifications and changes that present aspect is made, protection scope of the present invention is both fallen within.
Claims (10)
1. a kind of double-function variable vane pump, which is characterized in that including shell (1), rotor (2), blade (3), with oil clot (4),
Guide pad (6) etc., rotor (2) are located at center, and shell (1) covers on outside rotor (2), to centre of sphere side at shell (1) inner wall centering
To a circle annulus K1 is extended with, shell (1) inner wall is along the circumferential direction uniformly provided at least three left locating slots, shell (1) inner wall
Along the circumferential direction uniformly be provided with left locating slot right locating slot correspondingly, left locating slot and right locating slot are about K1 pairs of annulus
Claim arrangement, is mounted on blade (3) on left locating slot and right locating slot；An annular groove, ring are provided at rotor (2) the side wall centering
Be provided on slot left side with left locating slot left sliding slot correspondingly, be provided on annular groove right side one-to-one with right locating slot
Right rail, the blade (3) on left locating slot are also slidably arranged on left sliding slot, and are passed through sealing element and sealed；On right locating slot
Blade (3) is also slidably arranged on right rail, and is sealed by sealing element；Annulus K1 be clipped in blade (3) on left locating slot and
Between blade (3) on right locating slot, two neighboring blade (3), ring groove surface, shell (1) inner wall and annulus K1 side wall it
Between form a cavity, be provided with hydraulic fluid port identical with cavity quantity on rotor (2), a hydraulic fluid port is connected with a cavity, turn
The both ends of sub (2) are respectively connected with oil clot (4)；There is the outer wall of shell (1) a dome ring J1, dome ring J1 to be placed in guide pad
(6) in guide groove；The axis of rotor (2) and the axis of shell (1) are not overlapped；
When rotor (2) rotation, rotor (2) band movable vane piece (3) is rotated together, during rotation, on left sliding slot and right rail
Blade (3) periodically complete stretching motion so that the variation of the volume generating period of cavity, and then periodically formed
High-pressure chamber and low pressure cavity, low pressure cavity is by matching oil clot (4) oil suction, and high-pressure chamber is by matching oil clot (4) oil extraction.
2. a kind of double-function variable vane pump according to claim 1, which is characterized in that be two in the rotor (2)
To hold row level with both hands and cuts out the dolioform billiard table A2 of two spherical crowns, the both ends of billiard table A2 are conical side surface C2 and conical side surface D2, billiard table A2,
Conical side surface C2 and conical side surface D2 constitutes annular groove；Have and the one-to-one slot E2 of right locating slot, slot E2 on conical side surface C2
Respectively conical side surface C2, slot E2 are right rail；Have and the one-to-one slot F2 of left locating slot, equal cyclotomy on conical side surface D2
Side D2 is bored, slot F2 is left sliding slot；There are a hole K2, phase on conical side surface D2 on conical side surface C2 between two neighboring slot E2
There is a hole K2 ' between two slot F2 of neighbour, is spherical surface G2, the face being connected with conical side surface D2 with the face being connected conical side surface C2
It is spherical surface H2, the radius and the centre of sphere of spherical surface G2 and spherical surface H2 are identical as the radius of shell (1) Internal Spherical Surface A1 and the centre of sphere, rotor
(2) both ends of the surface are anchor ring I2 and anchor ring J2, are evenly equipped with hole L2 corresponding with hole K2 on anchor ring I2, on anchor ring J2
It is evenly equipped with hole L2 ' corresponding with hole K2 ', hole L2 is connected with corresponding hole K2, the second hydraulic fluid port is formed, for oil inlet or row
Oil is used；Hole L2 ' is connected with corresponding hole K2 ', forms the first hydraulic fluid port, is used for oil inlet or oil extraction.
3. a kind of double-function variable vane pump according to claim 2, which is characterized in that the slot E2's and slot F2 is transversal
The shape in face is to be connected in sequence by cone plane S2, circular arc P2 and cone plane M2, and cone plane S2 is outer with cone plane M2's
End is respectively connected with a circular arc R 2, and two circular arc Rs 2 with one heart, are equipped with sealing element in each circular arc R 2.
4. a kind of double-function variable vane pump according to claim 3, which is characterized in that the sealing element includes cushion block
(7) and elastic sealing strip (8) it, is sequentially placed an elastic sealing strip (8) and a cushion block inside-out in each circular arc R 2
(7), two cushion blocks (7) are located at the both sides of a piece of blade (3), and abut with blade (3)；
Or, also combinable be integrated is placed in circular arc R 2 for the cushion block (7) and elastic sealing strip (8).
5. a kind of double-function variable vane pump according to claim 4, which is characterized in that the cushion block (7) is strip,
Its cross section is crescent, and length is equal with the radical length of annulus K1；
The elastic sealing strip (8) is strip, and cross section is semi-circular shape, the radius phase of exradius and circular arc R 2
Together, inner circle radius is identical as the radius of cushion block (7) crescent, and length is equal with the radical length of annulus K1.
6. according to a kind of described in any item double-function variable vane pumps of claim 2-5, which is characterized in that the shell (1)
There are an Internal Spherical Surface A1 and spherical outside surface B1, Internal Spherical Surface A1 and spherical outside surface B1 are the dolioform of the parallel spherical crown for cutting out same size in both ends
Spherical surface, being extended with the both sides circle annulus K1, annulus K1 to centre of sphere direction at the centering of Internal Spherical Surface A1 is two parallel annulus
It is interior Surface of Sphere E1 among plane C1 and D1, annulus K1, diameter is equal with the diameter of billiard table A2；Shell (1) inner wall is circumferentially
Direction is uniformly provided at least three bar groove P1, as left locating slot；Shell (1) inner wall is along the circumferential direction uniformly provided with and left locating slot
One-to-one slot P1 ', as right locating slot, slot P1 and slot P1 ' are arranged symmetrically about annulus K1, the width of slot P1 and slot P1 '
It is identical as the thickness of blade (3), a circle annulus J1 is outwardly protruded in the middle part of spherical outside surface B1.
7. a kind of double-function variable vane pump according to claim 6, which is characterized in that the blade (3) is by front and back two
A parallel plane A3, B3, upper and lower two cylinders C3, D3, a side and the oval cylinder F3 in the other side are enclosed；Wherein, column
The radius of face C3 and the center of circle are identical as the radius of the groove bottom of slot P1 or slot P1 ' on shell (1) and the center of circle respectively, and the half of cylinder D3
Diameter and the center of circle are identical as the radius of billiard table A2 and the center of circle respectively；Oval cylinder F3 is hinged on piston shoes (5).
8. a kind of double-function variable vane pump according to claim 7, which is characterized in that described round for one with oil clot (4)
The diameter of cylinder, the external cylindrical surface A4 of cylindrical body is equal with the diameter of rotor (2) both ends disc I2 and J2, and two are provided on cylindrical body
A waist through hole B4 and C4, a waist through hole are communicated with high pressure chest, another waist through hole is communicated with low pressure chamber.
9. a kind of double-function variable vane pump according to claim 8, which is characterized in that the external end head of blade (3) is installed
On piston shoes (5), piston shoes (5) are abutted with the side annulus K1.
10. a kind of double-function variable vane pump according to claim 9, which is characterized in that the piston shoes (5) are strip
Shape, by left and right two parallel plane A5, B5, upper spherical surface C5, lower peripheral surface D5, bottom surface E5 and another side fluted column face F5 enclose and
At；Wherein, the radius of spherical outside surface C5 and the center of circle are identical as the radius of shell (1) Internal Spherical Surface A1 and the center of circle, the radius of lower peripheral surface D5
It is identical as the radius of rotor (2) playing surface of the table A2 and the center of circle with the center of circle, the radius of fluted column face F5 and blade (3) oval cylinder F3 and
The center of circle is identical；Bottom surface E5 is abutted with the circular planes C1 of annulus K1 or circular planes D1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142374.1A CN109538468B (en) | 2018-09-28 | 2018-09-28 | Double-acting variable vane pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142374.1A CN109538468B (en) | 2018-09-28 | 2018-09-28 | Double-acting variable vane pump |
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| Publication Number | Publication Date |
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| CN109538468A true CN109538468A (en) | 2019-03-29 |
| CN109538468B CN109538468B (en) | 2020-02-18 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2555140A1 (en) * | 1974-12-16 | 1976-07-01 | John Humen | FLOTATION CHAMBER MACHINE |
| GB2009852A (en) * | 1977-12-08 | 1979-06-20 | Rovac Corp | Rotary positive-displacement fluid-machines |
| CN1637233A (en) * | 2003-12-23 | 2005-07-13 | 赫伯特·许特林 | Pivoting piston engine |
| CN1966984A (en) * | 2005-11-16 | 2007-05-23 | 汤科儿 | Compressor pump comprising spherical cylinder, impeller, and sloping cam plate |
| CN103670902A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane type hydraulic motor |
-
2018
- 2018-09-28 CN CN201811142374.1A patent/CN109538468B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2555140A1 (en) * | 1974-12-16 | 1976-07-01 | John Humen | FLOTATION CHAMBER MACHINE |
| GB2009852A (en) * | 1977-12-08 | 1979-06-20 | Rovac Corp | Rotary positive-displacement fluid-machines |
| CN1637233A (en) * | 2003-12-23 | 2005-07-13 | 赫伯特·许特林 | Pivoting piston engine |
| CN1966984A (en) * | 2005-11-16 | 2007-05-23 | 汤科儿 | Compressor pump comprising spherical cylinder, impeller, and sloping cam plate |
| CN103670902A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane type hydraulic motor |
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| CN109538468B (en) | 2020-02-18 |
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