CN109538466A - High pressure Pump with multiple vane - Google Patents
High pressure Pump with multiple vane Download PDFInfo
- Publication number
- CN109538466A CN109538466A CN201811140715.1A CN201811140715A CN109538466A CN 109538466 A CN109538466 A CN 109538466A CN 201811140715 A CN201811140715 A CN 201811140715A CN 109538466 A CN109538466 A CN 109538466A
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- China
- Prior art keywords
- slot
- blade
- annulus
- rotor
- shell
- Prior art date
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a kind of high pressure Pump with multiple vane, including shell, rotor, blade, case cover is in rotor exterior, the end face of shell, which extends internally, a circle annulus K1, inner walls are along the circumferential direction uniformly provided at least three the first locating slots, the second locating slot identical with the first positioning slot number is along the circumferential direction uniformly provided on annulus K1, blade is mounted on the first locating slot and the second locating slot simultaneously;Annulus K1 is separated into several plectrums by the second locating slot, and an annular groove is provided at the rotor sidewall, and annulus K1 is located in annular groove, is provided on annular groove right side and is slidably arranged on sliding slot with the one-to-one sliding slot of the first locating slot, blade;A cavity is formed between two neighboring blade, ring groove surface, plectrum and inner walls, when the rotor is turning, rotor band movable vane piece rotates together, blade pushes shell to rotate around its own axis, during rotation, blade reciprocatingly slides on the chute, so that the volume generating period of cavity changes.
Description
Technical field
The present invention relates to Pump with multiple vane more particularly to a kind of high pressure Pump with multiple vane.
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 high pressure Pump with multiple vane of output pressure.
In order to achieve the above object, The technical solution adopted by the invention is as follows: a kind of high pressure Pump with multiple vane, including shell,
Rotor, matches oil clot, guide pad at blade, and rotor is located at center, and for case cover in rotor exterior, shell is hemispherical, and end face is inside
Be extended with a circle annulus K1, plane where annulus K1 perpendicular to shell axis, inner walls be along the circumferential direction uniformly provided with to
Lack three the first locating slots, the second locating slot identical with the first positioning slot number be along the circumferential direction uniformly provided on annulus K1,
First locating slot and the second locating slot are connected, and blade is mounted on the first locating slot and the second locating slot, and blade and second is determined
It is sealed between the slot of position by first seal;Annulus K1 is separated into several plectrums by the second locating slot, is opened at the rotor sidewall
There is an annular groove, annulus K1 is located in annular groove, is provided on annular groove right side and the one-to-one sliding slot of the first locating slot, blade sliding
Setting on the chute, and is sealed by second seal;Between two neighboring blade, ring groove surface, plectrum and inner walls
A cavity is formed, rotor one end is provided with hydraulic fluid port identical with cavity quantity, and a hydraulic fluid port is connected with a cavity, rotor
One end is respectively connected with oil clot;There is the outer wall of shell a dome ring J1, dome ring J1 to be placed in the guide groove of guide pad;Turn
The axis of son and the axis of shell are not overlapped;
When the rotor is turning, rotor band movable vane piece rotates together, and blade pushes shell to rotate around its own axis, is rotating
In the process, blade reciprocatingly slides on the chute, so that the volume generating period of cavity changes, forms high-pressure chamber and low pressure is held
Chamber, for the low pressure cavity in cavity by matching oil clot oil suction, the high-pressure chamber in cavity, which passes through, matches 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 the first locating slot, slot E2, slot E2 is sliding slot;Phase on conical side surface C2
There is a hole K2 between two slot E2 of neighbour, is spherical surface G2 with the face being connected conical side surface C2, is with the face being connected conical side surface D2
The radius and the centre of sphere of spherical surface H2, spherical surface G2 and spherical surface H2 are identical as the radius of shell Internal Spherical Surface A1 and the centre of sphere, the both ends of rotor
Face is anchor ring I2 and anchor ring J2, and hole L2 corresponding with hole K2, hole L2 and corresponding hole are evenly equipped on anchor ring I2
K2 is connected, and forms hydraulic fluid port, is used for oil inlet or oil extraction.
Further, the shape of the cross section of the slot E2 is successively to be connected by cone plane S2, circular arc P2 and cone plane M2
It connects, 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, in each circular arc R 2
Second seal is installed.
Further, the second seal includes cushion block and elastic sealing strip, in each circular arc R 2 inside-out successively
An elastic sealing strip and a cushion block are placed, 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 is hemispherical, there is Internal Spherical Surface A1 and spherical outside surface B1, and Internal Spherical Surface A1 and spherical outside surface B1 are
Both ends cut out the dolioform spherical surface of different size of spherical crown in parallel, and the endface of Internal Spherical Surface A1 is extended with circle circle to centre of sphere direction
Ring K1, for plane where annulus K1 perpendicular to the axis of shell, the both sides annulus K1 are two parallel circular planes C1 and D1, circle
It is interior Surface of Sphere E1 among ring K1, diameter is equal with the diameter of billiard table A2;Along the circumferential direction uniformly be provided on Internal Spherical Surface A1 to
Few three bar groove P1, as the first locating slot;Long hole identical with slot P1 quantity is provided with along Internal Spherical Surface A1 radial direction on annulus K1
F1, long hole F1 divide equally annulus K1, and long hole F1 is the second locating slot, so that annulus K1 is divided into several plectrums;Long hole F1 with
Slot P1 is connected, and the width of slot P1 and the thickness of blade are identical, and a circle annulus J1 is outwardly protruded in the middle part of spherical outside surface B1.
Further, the first seal is identical with first seal structure, also includes cushion block and elastic sealing strip, length
The shape of the cross section of hole F1 is to be connected in sequence by circular arc L1, straight line, another circular arc L1 and another straight line, each circular arc
An elastic sealing strip and a cushion block are sequentially placed on L1 inside-out, two cushion blocks are located at the both sides of a piece of blade,
And it is abutted with blade;
Or, also combinable be integrated is placed in circular arc L1 for the cushion block and elastic sealing strip.
Further, the blade is by former and later two parallel planes A3, B3 and upper and lower two cylinders C3, D3 and two sides
It encloses;Wherein, the radius of cylinder C3 and the center of circle are identical as the radius of the groove bottom of slot P1 and the center of circle on shell respectively, cylinder
The radius of D3 and the center of circle are identical as the radius of billiard table A2 and the center of circle respectively.
Further, the oil clot of matching is a cylindrical body, the diameter and rotor one end disc of the external cylindrical surface A4 of cylindrical body
The diameter of I2 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 waist
Shape through-hole is communicated with low pressure chamber.
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 pump housing 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.
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. 2 c is the M-M 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 is cushion block longitudinal direction schematic diagram of the invention;
Fig. 7 is elastic sealing strip longitudinal direction schematic diagram of the invention;
Fig. 8 is shell of the invention, blade, cushion block and elastic sealing strip partial schematic diagram;
Fig. 9 is the eccentric placement schematic diagram of cushion block and elastic sealing strip in shell long hole F1;
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 rotor slot E2 and F2;
In figure: 1. shells, 2. rotors, 3. blades, 4. match oil clot, 5. cushion blocks, 6. sealing strips, 7. guide pads.
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 high pressure Pump with multiple vane, including shell 1, rotor 2, blade 3, with oil
Block 4, guide pad 7, rotor 2 are located at center, and shell 1 covers on outside rotor 2, and shell 1 is hemispherical, and end face, which extends internally, one
Annulus K1 is enclosed, for plane where annulus K1 perpendicular to the axis of shell 1,1 inner wall of shell is along the circumferential direction uniformly provided at least three
First locating slot is along the circumferential direction uniformly provided with the second locating slot identical with the first positioning slot number on annulus K1, and first is fixed
Position slot and the second locating slot are connected, and blade 3 is mounted on the first locating slot and the second locating slot, blade 3 and the second locating slot
Between pass through first seal seal;Annulus K1 is separated into several plectrums by the second locating slot, and 2 side-walls of rotor are provided with one
Annular groove, annulus K1 are located in annular groove, are provided on annular groove right side and set with the one-to-one sliding slot of the first locating slot, the sliding of blade 3
It sets on the chute, and is sealed by second seal;Between two neighboring blade 3,1 inner wall of ring groove surface, plectrum and shell
A cavity is formed, 2 one end of rotor is provided with hydraulic fluid port identical with cavity quantity, and a hydraulic fluid port is connected with a cavity, rotor 2
One end be 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 7
It is interior;The axis of rotor 2 and the axis of shell 1 are not overlapped;
When rotor 2 rotates, rotor 2 is rotated together with movable vane piece 3, and blade 3 pushes shell 1 to rotate around its own axis,
During rotation, blade 3 reciprocatingly slides on the chute, so that the volume generating period of cavity changes, forms high-pressure chamber
With low pressure cavity, for the low pressure cavity in cavity by matching 4 oil suction of oil clot, the high-pressure chamber in cavity, which passes through, matches 4 oil extraction of oil clot.
It should be noted that the quantity of the blade 3 is at least 3, the quantity of sliding slot is identical as the quantity of blade 3,
Below by taking the quantity of blade 3 is 9 as an example, carry out the concrete scheme that the present invention is further explained, those skilled in the art according to
Under description, the quantity of acquisition blade 3 that also can be beyond all doubt is other embodiments.
Fig. 2 a and Fig. 2 b are the shape and structure schematic diagram of shell 1 of the invention.The shell 1 is hemispherical, there is Internal Spherical Surface
A1 and spherical outside surface B1, Internal Spherical Surface A1 and spherical outside surface B1 are the parallel dolioform spherical surfaces for cutting out different size of spherical crown in both ends, interior
The endface of spherical surface A1 is extended with a circle annulus K1 to centre of sphere direction, axis of the plane perpendicular to shell 1, the circle where annulus K1
The both sides ring K1 are two parallel circular planes C1 and D1, are interior Surface of Sphere E1 among annulus K1, diameter is straight with billiard table A2's
Diameter is equal;Nine bar groove P1, as the first locating slot are along the circumferential direction uniformly provided on Internal Spherical Surface A1;Along Internal Spherical Surface A1 on annulus K1
Radial direction is provided with long hole F1 identical with slot P1 quantity, and long hole F1 divides equally annulus K1, and long hole F1 is the second locating slot, thus
Annulus K1 is divided into several plectrums;Long hole F1 is connected with slot P1, and the width of slot P1 is identical as the thickness of blade 3, spherical outside surface
A circle annulus J1 is outwardly protruded in the middle part of B1, like the extension that annulus K1 is outside.It should be noted that annulus K1 and circle
Ring J1 constitutes large circle, and large circle can also be separated with shell 1, individually becomes a swash plate, and 1 or so two halves of procapsid abutting is fixed on
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 on conical side surface C2 and divides equally with the one-to-one slot E2 of the first locating slot, slot E2
Conical side surface C2, slot E2 are sliding slot;There is a hole K2 on conical side surface C2 between two neighboring slot E2, with conical side surface C2 phase
Face even is spherical surface G2, is spherical surface H2 with the face being connected conical side surface D2, and the radius and the centre of sphere of spherical surface G2 and spherical surface H2 are and shell
The radius of 1 Internal Spherical Surface A1 of body is identical with the centre of sphere, and the both ends of the surface of rotor 2 are anchor ring I2 and anchor ring J2, is evenly distributed on anchor ring I2
There are hole L2 corresponding with hole K2, hole L2 to be connected with corresponding hole K2, forms hydraulic fluid port, be used for oil inlet or oil extraction.Such as
Shown in Fig. 3 c, the shape of the cross section of the slot E2 is to be connected in sequence by cone plane S2, circular arc P2 and cone plane M2, is bored
The outer end of plane S2 and cone plane M2 are respectively connected with a circular arc R 2, and two circular arc Rs 2 with one heart, are equipped with the in each circular arc R 2
Two sealing elements.
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 9, described
Blade 3 is enclosed by former and later two parallel planes A3, B3 and upper and lower two cylinders C3, D3 and two sides;Wherein, cylinder C3
Radius and the center of circle it is identical as the radius of the groove bottom of slot P1 and the center of circle on shell 1 respectively, the radius of cylinder D3 and the center of circle difference
It is identical as the radius of billiard table A2 and the center of circle.
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 2 one end disc I2 of rotor, 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.
The first seal is identical with first seal structure, includes cushion block 5 and elastic sealing strip 6, such as Fig. 6 institute
Show, the cushion block 5 is strip, and cross section is crescent, and length is equal with the radical length of annulus K1;As shown in fig. 7,
The elastic sealing strip 6 is strip, and cross section is semi-circular shape, the radius or circular arc L1 of exradius and circular arc R 2
Radius is identical, and inner circle radius is identical as the radius of 5 crescent of cushion block, and with one heart (such as Fig. 8 and Figure 10), naturally it is also possible to different
The heart (such as Fig. 9 and Figure 11), length is equal with the radical length of annulus K1;
As shown in Figure 8 and Figure 9, when first seal is mounted on long hole F1, on each circular arc L1 inside-out successively
An elastic sealing strip 7 and a cushion block 6 are placed, two cushion blocks 6 are located at the both sides of a piece of blade 3, and support with blade 3
It connects;Or, also combinable be integrated is placed in circular arc L1 for the cushion block 6 and elastic sealing strip 7.
As shown in Figure 10 and Figure 11, when second seal is mounted in circular arc R 2, in each circular arc R 2 inside-out according to
One elastic sealing strip 6 of secondary placement and a cushion block 5, two cushion blocks 5 are located at the both sides of a piece of blade 3, and support with blade 3
It connects;Or, also combinable be integrated is placed in circular arc R 2 for the cushion block 5 and elastic sealing strip 6.
Cushion block 5 is identical with the quantity of elastic sealing strip 6, uniform to share 54.It should be noted that the present embodiment be in order to
The type of sealing element is saved, so first seal and second seal are used identical structure, it is of course possible to be different.
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:
Hold as shown in Figure 1, forming a closing between two neighboring blade 3,1 inner wall of ring groove surface, plectrum and shell
Chamber, one shares 9 cavities;
As shown in Figure 1, the annulus K1 on shell 1 is located at Far Left topmost, at this moment the cavity volume is maximum.And
Bottom, the annulus K1 on shell 1 are located at rightmost, and at this moment the cavity volume is minimum.When rotor 2 rotates, rotor 2 is with movable vane
Piece 3 rotates together, and blade 3 pushes shell 1 to rotate around its own axis, and during rotation, blade 3 is back and forth slided in sliding slot
Dynamic, so that the volume generating period of cavity changes, the lowermost cavity volume positioned at pump is gradually increased by minimum, at this moment should
Cavity and high pressure chest disconnect, and communicating with low pressure chamber with oil clot 4 by right side, the cavity begin through on the right side of match oil clot 4
Oil suction;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 side with oil
Block 4 is communicated with high pressure chest, the cavity begin through right side 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.
By adjust guide pad 7 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 (9)
1. a kind of high pressure Pump with multiple vane, which is characterized in that including shell (1), rotor (2), blade (3), match oil clot (4), guiding
Block (7) etc., rotor (2) are located at center, and shell (1) covers on rotor (2) outside, and shell (1) is hemispherical, and end face extends internally
There is a circle annulus K1, perpendicular to the axis of shell (1), shell (1) inner wall is along the circumferential direction uniformly provided with plane where annulus K1
At least three the first locating slots are along the circumferential direction uniformly provided with the second positioning identical with the first positioning slot number on annulus K1
Slot, the first locating slot and the second locating slot are connected, and blade (3) is mounted on the first locating slot and the second locating slot, blade (3)
And second pass through first seal between locating slot and seal;Annulus K1 is separated into several plectrums, the rotor by the second locating slot
(2) side-walls are provided with an annular groove, and annulus K1 is located in annular groove, is provided on annular groove right side and slides correspondingly with the first locating slot
Slot, blade (3) are slidably arranged on sliding slot, and are sealed by second seal;Two neighboring blade (3), ring groove surface, plectrum
And a cavity is formed between shell (1) inner wall, rotor (2) one end is provided with hydraulic fluid port identical with cavity quantity, a hydraulic fluid port
It is connected with a cavity, one end of rotor (2) is respectively connected with oil clot (4);The outer wall of shell (1) has a dome ring J1,
Dome ring J1 is placed in the guide groove of guide pad (7);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, and blade (3) pushes shell (1) around its own axis
Rotation, during rotation, blade (3) reciprocatingly slides on the chute, so that the volume generating period of cavity changes, is formed high
Pressure-volume chamber and low pressure cavity, for the low pressure cavity in cavity by matching oil clot (4) oil suction, the high-pressure chamber in cavity, which passes through, matches oil clot
(4) oil extraction.
2. a kind of high pressure Pump with multiple vane according to claim 1, which is characterized in that be two to hold level with both hands in the rotor (2)
Row cuts out the dolioform billiard table A2 of two spherical crowns, and the both ends of billiard table A2 are conical side surface C2 and conical side surface D2, billiard table A2, circular cone
Side C2 and conical side surface D2 constitutes annular groove;Have on conical side surface C2 with the one-to-one slot E2 of the first locating slot, slot E2 is equal
Pitch cone side C2, slot E2 are sliding slot;There is a hole K2 on conical side surface C2 between two neighboring slot E2, with conical side surface C2
Connected face is spherical surface G2, is 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 with
The radius of shell (1) Internal Spherical Surface A1 is identical with the centre of sphere, and the both ends of the surface of rotor (2) are anchor ring I2 and anchor ring J2, anchor ring I2
On be evenly equipped with hole L2 corresponding with hole K2, hole L2 is connected with corresponding hole K2, form hydraulic fluid port, for oil inlet or oil extraction it
With.
3. a kind of high pressure Pump with multiple vane according to claim 2, which is characterized in that the shape of the cross section of the slot E2 is
It is connected in sequence by cone plane S2, circular arc P2 and cone plane M2, cone plane S2 and the outer end for boring plane M2 are respectively connected with
One circular arc R 2, two circular arc Rs 2 with one heart, are equipped with second seal in each circular arc R 2.
4. a kind of high pressure Pump with multiple vane according to claim 3, which is characterized in that the second seal includes cushion block
(5) and elastic sealing strip (6) it, is sequentially placed an elastic sealing strip (6) and a cushion block inside-out in each circular arc R 2
(5), two cushion blocks (6) 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 (5) and elastic sealing strip (6).
5. a kind of high pressure Pump with multiple vane according to claim 4, which is characterized in that the cushion block (7) is strip, horizontal
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 high pressure Pump with multiple vane of claim 2-5, which is characterized in that the shell (1) is in half
Spherical shape has Internal Spherical Surface A1 and spherical outside surface B1, and Internal Spherical Surface A1, which is that both ends are parallel with spherical outside surface B1, cuts out different size of spherical crown
The endface of dolioform spherical surface, Internal Spherical Surface A1 is extended with a circle annulus K1 to centre of sphere direction, and plane is perpendicular to shell where annulus K1
The axis of body (1), the both sides annulus K1 are two parallel circular planes C1 and D1, are interior Surface of Sphere E1 among annulus K1,
Diameter is equal with the diameter of billiard table A2;At least three bar groove P1, the as first positioning are along the circumferential direction uniformly provided on Internal Spherical Surface A1
Slot;It is provided with long hole F1 identical with slot P1 quantity along Internal Spherical Surface A1 radial direction on annulus K1, long hole F1 divides equally annulus K1, long hole
F1 is the second locating slot, so that annulus K1 is divided into several plectrums;Long hole F1 is connected with slot P1, the width and leaf of slot P1
The thickness of piece (3) is identical, and a circle annulus J1 is outwardly protruded in the middle part of spherical outside surface B1.
7. a kind of high pressure Pump with multiple vane according to claim 6, which is characterized in that the first seal and the first sealing
Part structure is identical, also includes cushion block (5) and elastic sealing strip (6), the shape of the cross section of long hole F1 for by circular arc L1, straight line,
Another circular arc L1 and another straight line are connected in sequence, and are sequentially placed an elastic sealing strip on each circular arc L1 inside-out
(7) and a cushion block (6), two cushion blocks (6) 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 L1 for the cushion block (6) and elastic sealing strip (7).
8. a kind of high pressure Pump with multiple vane according to claim 6, which is characterized in that the blade (3) is put down by former and later two
Row plane A3, B3 and upper and lower two cylinders C3, D3 and two sides enclose;Wherein, the radius of cylinder C3 and center of circle difference
It is identical as the radius of the groove bottom of slot P1 and the center of circle on shell (1), the radius of cylinder D3 and the center of circle radius with billiard table A2 respectively
It is identical with the center of circle.
9. a kind of high pressure Pump with multiple vane according to claim 7, which is characterized in that described match oil clot (4) are a cylindrical body,
The diameter of the external cylindrical surface A4 of cylindrical body is equal with the diameter of rotor (2) one end disc I2, opens that there are two kidney-shaped is logical on cylindrical body
Hole B4 and C4, a waist through hole are communicated with high pressure chest, another waist through hole is communicated with low pressure chamber.
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JPH0988845A (en) * | 1995-09-29 | 1997-03-31 | Unisia Jecs Corp | Vane pump |
CN2405042Y (en) * | 1999-12-21 | 2000-11-08 | 孙宏磊 | Pump with multiple vane |
WO2006047986A1 (en) * | 2004-11-04 | 2006-05-11 | Ixetic Bad Homburg Gmbh | Pump comprising a coated rotor |
CN101605995A (en) * | 2007-04-10 | 2009-12-16 | 博格华纳公司 | The variable-displacement dual vane pump |
CN103671095A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Multiple-blade hydraulic pump |
-
2018
- 2018-09-28 CN CN201811140715.1A patent/CN109538466B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0988845A (en) * | 1995-09-29 | 1997-03-31 | Unisia Jecs Corp | Vane pump |
CN2405042Y (en) * | 1999-12-21 | 2000-11-08 | 孙宏磊 | Pump with multiple vane |
WO2006047986A1 (en) * | 2004-11-04 | 2006-05-11 | Ixetic Bad Homburg Gmbh | Pump comprising a coated rotor |
CN101605995A (en) * | 2007-04-10 | 2009-12-16 | 博格华纳公司 | The variable-displacement dual vane pump |
CN103671095A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Multiple-blade hydraulic pump |
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