CN206816492U - Blade hydraulic pump or hydraulic motor - Google Patents
Blade hydraulic pump or hydraulic motor Download PDFInfo
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- CN206816492U CN206816492U CN201720503261.4U CN201720503261U CN206816492U CN 206816492 U CN206816492 U CN 206816492U CN 201720503261 U CN201720503261 U CN 201720503261U CN 206816492 U CN206816492 U CN 206816492U
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- end cap
- blade
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- medium
- bent axle
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Abstract
It the utility model is related to a kind of blade hydraulic pump or hydraulic motor, it is periodically mobile that stator is motionless during operating, mover only does two coordinates under the driving of built-in bent axle, blade is only radially periodically flexible and around vane hinge axial line periodic wobble, related elements abrasion is small, the service life length of hydraulic pump；Hydraulic pump volume space sealing of the present utility model can reach the level of plunger pump, and the pressure of its output liquid improves more than 10 times than traditional vane pump.The utility model can promote the upgrading of vane pump, such as input highly pressurised liquid, the bent axle built in mover is rotatable, is changed to hydraulic motor.
Description
Technical field
Hydraulic power supply is the utility model is related to, specifically a kind of blade hydraulic pump or hydraulic motor.
Background technology
At present, for the blade of vane pump when being rotated with rotor coaxial, the outward flange of blade must be with the inner side of cartridge type stator
Wall is in close contact as much as possible, and overall process is slided on madial wall；This slip, produce blade outward flange and stator madial wall
Abrasion.Meanwhile two end cap inwall of the blade both ends respectively with pump is in close contact, the blade of vane pump rotates with rotor coaxial
When, blade both ends are whole on pump end cap inwall to be slided, and the both ends of blade and end cap inwall produce abrasion.Above-mentioned two classes abrasion,
The service life of pump is reduced, the volume space bad sealing of pump, the output pressure of pump is difficult to improve, and performance is unstable.
Utility model content
In order to solve above-mentioned problem, the purpose of this utility model is to provide a kind of blade hydraulic pump or hydraulic pressure
Motor.
The purpose of this utility model is achieved through the following technical solutions：
The utility model includes bent axle, left side end cap, mover, stator, right side end cap, blade and jointed shaft, wherein stator
The left and right sides connect left side end cap and right side end cap respectively, the outside of the left side end cap offer respectively the total input port of medium and
The medium being connected with the total input port of medium inputs excessive space, and it is logical to be provided with the input of in check medium close to the inner side of stator
Road；The right side end cap is provided with check medium output channel close to the inner side of stator, and outside opens up the total delivery outlet of medium；Institute
State that bent axle is passed through by stator, both ends are rotatablely connected with left side end cap and right side end cap seal respectively, be respectively equipped with the bent axle with
Medium inputs the excessive space interior input channel being connected and the interior output channel being connected with the total delivery outlet of medium, the mover
It is set on the bent axle part of bent axle, and positioned at the inside of the stator；The outer surface of the mover and the inner surface of stator it
Between be along the circumferential direction evenly equipped with even number blade, be along the circumferential direction evenly equipped with the outer surface of the mover and the blade quantity phase
With and one-to-one jointed shaft, the inner surface of one end of each blade with stator be hinged, the other end with it is corresponding
The axially opposed reciprocatingly grafting of jointed shaft；Formed between adjacent two blade and the mover outer surface and stator inner surface
Monomer closing space, the monomer closing space, in check medium input channel and in check medium output channel quantity
Identical and one-to-one corresponding connection, each monomer closing space volume during the bent axle rotates a circle increase and decrease once,
The bent axle continuously rotates, only volume increase the monomer closing space by check medium input channel with it is described interior defeated
Enter passage to be connected, realize medium passes sequentially through the total input port of medium, medium inputs excessive space, interior input channel and with it is interior defeated
The in check medium input channel for entering passage connection is sucked in the monomer closing space of each volume increase；Only a reduced volume of institute
State monomer closing space by check medium output channel with the interior output channel to be connected, realize that medium passes sequentially through
The total delivery outlet output of in check medium output channel, interior output channel and medium connected with interior output channel；
Wherein：The end face of the blade is square, and one end is provided with the vane hinge axle being hinged with the stator inner surface；Institute
State and bar-shaped trough is radially provided with jointed shaft, the other end of the blade is inserted in the bar-shaped trough on corresponding jointed shaft；Institute
Stating blade, using vane hinge axle as axis swing, the other end is past in the bar-shaped trough for one end during bent axle continuously rotates
Multiple sliding extension；
The longitudinal center line of vane hinge axle and the axial centerline parallel of stator of each blade, and with the axle of stator
It is equal to the vertical range between center line；The longitudinal center line of each jointed shaft and the axial centerline parallel of mover, and
Vertical range between the longitudinal center line of mover is equal；On any blade other end end and corresponding jointed shaft
Ultimate range between the bottom land of bar-shaped trough is more than or equal to 2 times of the eccentricity of crankshaft；The bar-shaped trough is along jointed shaft
Radially open up, groove width is identical with the thickness of the blade, and groove depth is more than the radius of jointed shaft and less than the diameter of jointed shaft；
The stator, blade, the axial length of jointed shaft and mover are equal；Offered respectively on the bent axle and interior input
Gap A that passage is connected and the gap B, gap A and gap B that are connected with interior output channel are in the floor projection of bent axle
The both sides of axially centered line respectively；
The mover and stator are circular cylinder body, the longitudinal center line phase of the longitudinal center line of the mover and the stator
Parallel, the main shaft portion longitudinal center line of bent axle is conllinear with the longitudinal center line of the stator, and the crank portion of bent axle divides axial centre
Line is conllinear with the longitudinal center line of the mover, and the bent axle part of the bent axle is located in mover, the interior table with the mover
Face is dynamic to coordinate abutting；
The interior input channel opening axial end and bent axle by the axial direction of spindle centerline and crankshaft axis
The distance between section of heart line is I, and two planes are parallel to each other；The interior output channel opening axial end and bent axle lead to
It is J to cross the distance between section of longitudinal center line of spindle centerline and crankshaft axis, and two planes are parallel to each other；
The left side end cap includes interior left end cap and outer left end cap, the both sides of the interior left end cap respectively with the stator and outer
Left end cap is rigidly connected, and the interior left end cap is moved to coordinate and abutted with the left side of the mover；The total input port of medium is set
Being opened up in the left side of interior left end cap, axial direction, the medium inputs excessive space and is arranged on the middle part of interior left end cap, radially opens up,
The in check medium input channel is coordinated on the right side of interior left end cap；The in check medium being located on the interior left end cap
The number of interior input channel is identical with blade quantity, and section is bar hole, uniform with the circumferencial direction of the interior left end cap, each institute
It is equal to state the width of input channel in check medium, and less than or equal to I and J sums；
The right side end cap includes interior right end cap and outer right end cap, the both sides of the interior right end cap respectively with the stator and outer
Right end cap is rigidly connected, and the interior right end cap is moved to coordinate and abutted with the right side of the mover；The in check medium output
Passage is opened on interior right end cap, and the total delivery outlet of medium is opened on outer right end cap；Be located on the interior right end cap by
The number of output channel is identical with blade quantity in the medium of control, and section is bar hole, with the circumference of the interior right end cap
Direction is uniform, and the width of each in check medium output channel is equal, and less than or equal to I and J sums.
The advantages of the utility model is with good effect：
The utility model is to improve existing vane pump, and stator is motionless during operating, mover is only under the driving of built-in bent axle
It is periodically mobile to do two coordinates, blade is only radially periodically flexible and around vane hinge axial line periodic wobble, related elements
Wear small, the service life length of hydraulic pump；Hydraulic pump volume space sealing of the present utility model can reach the level of plunger pump,
The pressure of its output liquid improves more than 10 times than traditional vane pump.The utility model can promote the upgrading of vane pump to change
In generation, highly pressurised liquid is such as inputted, the bent axle built in mover is rotatable, is changed to hydraulic motor.
Brief description of the drawings
Fig. 1 is structure front sectional view of the present utility model；
Fig. 2 is A-A sectional views in Fig. 1；
Fig. 3 is B-B sectional views in Fig. 1；
Fig. 4 is C-C sectional views in Fig. 1；
Fig. 5 is D-D sectional views in Fig. 1；
Fig. 6 is the top view of the utility model bent axle；
Fig. 7 is E-E sectional views in Fig. 3；
Fig. 8 is F-F sectional views in Fig. 4；
Wherein：1 is outer left end cap, and 2 be bent axle, and 3 be the total input port of medium, and 4 be that medium inputs excessive space, and 5 be an interior left side
End cap, 6 be interior input channel, and 7 be stator, and 8 be mover, and 9 be interior right end cap, and 10 be outer right end cap, and 11 be the total delivery outlet of medium,
12 be interior output channel, and 13 be bearing and seal assembly, and 14 be blade, and 15 be jointed shaft, 16 is vane hinge axle, 17 is monomer
Closing space, 18 be bar-shaped trough, and 19 be in check medium input channel, and 20 be in check medium output channel, and 21 be open-minded
Mouth A, 22 be gap B, and G is that the crank portion of bent axle divides longitudinal center line, and H is the main shaft portion longitudinal center line of bent axle, and I is interior defeated
Enter access portal axial end and bent axle by the distance between axial center section of spindle centerline and crankshaft axis,
J is interior output channel opening axial end and bent axle by between spindle centerline and the axial center section of crankshaft axis
Distance, K be in check medium input (output) passage width.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment one (hydraulic pump)
As shown in Fig. 1~8, the utility model includes bent axle 2, left side end cap, mover 8, stator 7, right side end cap, blade 14
And jointed shaft 15, wherein left side end cap includes outer left end cap 1 and interior left end cap 5, right side end cap includes interior right end cap 9 and outer right-hand member
Lid 10.
Stator 7 is circular cylinder body, is integrated with the housing of hydraulic pump or hydraulic motor；The left side of stator 7 and interior left end
The side of lid 5 is rigidly connected, and the opposite side of interior left end cap 5 is rigidly connected with outer left end cap 1.The left side of interior left end cap 5 is vertically
Provided with the total input port 3 of medium, the medium that input port 3 total with medium connects radially is provided with the middle part of interior left end cap 5 and was inputted
Space 4 is spent, in check medium input channel 19 is provided with inside the right side of interior left end cap 5.The right side of stator 7 and interior right end cap 9
Side be rigidly connected, the opposite side of outer right end cap 10 and interior right end cap 9 is rigidly connected.It is always defeated that outer right end cap 10 is provided with medium
Outlet 11.In check medium output channel 20 is provided with inside the left side of interior right end cap 9.Bent axle 2 is passed through by stator 7, bent axle 2
Both ends are rotatablely connected by bearing and seal assembly 13 with interior left end cap 5 and interior right end cap 9 respectively, and the left side of bent axle 2 is internal to be provided with
The interior input channel 6 being connected with the excessive space 4 of medium input, the right side of bent axle 2 is internal to be connected provided with delivery outlet 11 total with medium
Interior output channel 12.Offered respectively on bent axle 2 the gap A21 that is connected with interior input channel 6 and with interior output channel 12
The gap B22 being connected, gap A21 distinguish the two of axially centered line with gap B22 in the floor projection of bent axle 2
Side.
Mover 8 is circular cylinder body, is set on the bent axle part of bent axle 2, and positioned at the inside of stator 7.The axial direction of mover 8
Center line is parallel with the longitudinal center line of stator 7 but not coaxial, the main shaft portion longitudinal center line H of bent axle and the axle of stator 7
To centerline collineation, the crank portion of bent axle divides longitudinal center line G conllinear with the longitudinal center line of mover 8, and the song of the bent axle
Shaft portion is located in mover 8, and moving cooperation with the inner surface of mover 8 abuts.Move cooperation and support in the left side of interior left end cap 5 and mover 8
Connect, interior right end cap 9 is moved to coordinate and abutted with the right side of mover 8.
Even number blade 14 is along the circumferential direction evenly equipped between the outer surface of mover 8 and the inner surface of stator 7, mover 8
Identical with the quantity of blade 14 and one-to-one jointed shaft 15 is along the circumferential direction evenly equipped with outer surface.The end face of blade 14
To be square, one end is provided with the vane hinge axle 16 being hinged with the inner surface of stator 7；Bar-shaped trough 18 is radially provided with jointed shaft 15,
The other end of blade 14 is inserted in the bar-shaped trough 18 on corresponding jointed shaft 15.Any other end end of blade 14 with it is corresponding
Jointed shaft 15 on bar-shaped trough 18 bottom land between ultimate range be more than or equal to eccentric throw (the i.e. main shaft part of bent axle of bent axle 2
The crank portion of point longitudinal center line H and bent axle divides the distance between longitudinal center line G) 2 times.
The blade 14, jointed shaft 15 of the present embodiment are six, along the circumferential direction uniformly.The vane hinge axle of each blade 14
16 longitudinal center line and the axial centerline parallel of stator 7, and the vertical range phase between the longitudinal center line of stator 7
Deng.The longitudinal center line of each jointed shaft 15 and the axial centerline parallel of mover 8, and between the longitudinal center line of mover 8
Vertical range is equal.Bar-shaped trough 18 on each jointed shaft 15 opens up along the center line of jointed shaft 15, groove width and blade 14
Thickness is identical, and groove depth is more than the radius of jointed shaft 15 and less than the diameter of jointed shaft 15.The width of each blade 14 can be according to each hinge
The groove depth of spindle 15 and the degree of eccentricity of bent axle 2 determine.Stator 7, blade 14, the axial length of jointed shaft 15 and mover 8 are equal.It is interior
Input channel 6 is open the parallel with the longitudinal center line section of crankshaft axis by spindle centerline of axial end and bent axle,
Therebetween distance is I.Interior the opening axial end of output channel 12 and bent axle pass through spindle centerline and crankshaft axis
Longitudinal center line section it is parallel, distance therebetween is J.It is located to input the in check medium on interior left end cap 5 Nei and leads to
The number of output channel 20 is identical with the quantity of blade 14 in road 19 and the in check medium being located on interior right end cap 9, leads to
Road section is bar hole, and left end cap 5 and the circumferencial direction of interior right end cap 9 are uniform within difference, and each bar hole insied width is (i.e. controlled
The width K of the medium input/output passage of system) it is equal, and less than or equal to I and J sums.
Formed and 14 number identical monomers of blade between adjacent two blade 14 and the outer surface of mover 8 and the inner surface of stator 7
Closing space 17, each monomer closing space 17 volume during bent axle 2 rotates a circle increase and decrease once.Leaf of the present utility model
Chip hydraulic pump is displacement pump, and the Basic volume space of its transmission medium is the outer surface of columnar mover 8 and columnar
The space that the inner surface of stator 7 and the interior left end cap 5 at stator both ends, the inner side of interior right end cap 9 are closed, the space of the closing has two
Kind partitioning scheme, the first can divide longitudinal center line G to determine with the main shaft portion longitudinal center line H of bent axle and bent axle crank portion
Plane be boundary, be divided into the left and right equal Virtual Space of two volumes；Six phases can be divided into by adjacent blades 14 second
To independent monomer closing space 17.
Operation principle of the present utility model is：
When the utility model is run, because the effect bent axle 2 of input torque is using the main shaft portion longitudinal center line H of bent axle as axle
The heart rotates clockwise, and the mover 8 for being enclosed on the bent axle part of bent axle 2 does not rotate because of the rotation of the bent axle part of bent axle 2, but because
(motion of the bent axle part of bent axle 2 can be analyzed to rotate for the periodicity movement of the mobile coordinate of carry out two of the bent axle part of bent axle 2
With mobile compound motion), there is blade 14 to connect between stator 7 and mover 8, stator 7 is motionless, each blade being hinged with stator 7
14 with vane hinge axle 16 for axle center periodic wobble, and in the inner circumferential of bar-shaped trough 18 of each jointed shaft 15 on mover 8
Phase property sliding extension, the composite periodicity motion of this mover 8 and blade 14 so that the relatively each monomer closing space 17 of bent axle 2
Each specific 360 ° of every turn of closing space, the volume increase and decrease of corresponding monomer closing space 17 is once.Bent axle 2 turns clockwise
Dynamic, the volume of monomer closing space 17 split by adjacent blades 14 increase in right side Virtual Space is virtually empty in left side
Between the volume of monomer closing space 17 split by adjacent blades 14 reduce, only the monomer closing space 17 of volume increase by by
The medium input channel 19 of control connects with interior input channel 6, realizes that medium passes sequentially through the total input port 3 of medium, medium input
Excessive space 4, it is controlled into being connected with interior input channel 6 by gap A21 into interior input channel 6, then through interior input channel 6
The medium input channel 19 of system, it is inhaled into each monomer closing space 17 of volume increase；Only a reduced volume of monomer closing space
17 are connected by check medium output channel 20 with interior output channel 12, realize medium by being connected with interior output channel 12
In check medium input channel 20, interior output channel 12 is entered by gap B22, then always defeated by medium through interior output channel 12
Go out passage 11 to be discharged.Bent axle 2 is continuously rotated, and medium is continuously sucked by the total input port 3 of medium, and medium is continuously always exported by medium
Mouth 11 exports.
Embodiment two (hydraulic motor)
The present embodiment is identical with the structure of embodiment one, inputs highly pressurised liquid by the total delivery outlet 11 of medium, can drive bent axle 2
Continuous to rotate, liquid is exported by the interior input channel 6 set in bent axle 2 after acting, and then is exported by the total input port 3 of medium, real
The function of existing hydraulic motor.
The utility model is that stator 7 is motionless, mover 8 only does two coordinates in the case where built-in bent axle 2 is dynamic periodically mobile, blade 14
Only radially periodically flexible and axial cyclic is swung；Related elements abrasion is small, the service life length of hydraulic pump.The appearance of hydraulic pump
The sealing of product space can bring up to the level of piston type hydraulic pumps, and the output pressure of pump can improve 10 times.Moreover, this practicality is new
Type can also transform hydraulic motor into.
Claims (10)
1. a kind of blade hydraulic pump or hydraulic motor, it is characterised in that：Including bent axle (2), left side end cap, mover (8), stator
(7), right side end cap, blade (14) and jointed shaft (15), the left and right sides of wherein stator (7) connect left side end cap and right side respectively
End cap, the outside of the left side end cap offer the total input port of medium (3) and the medium being connected with the total input port of medium (3) respectively
Excessive space (4) is inputted, in check medium input channel (19) is provided with close to the inner side of stator (7)；The right side end cap leans on
The inner side of nearly stator (7) is provided with check medium output channel (20), and outside opens up the total delivery outlet of medium (11)；The bent axle
(2) passed through by stator (7), both ends are rotatablely connected with left side end cap and right side end cap seal respectively, be respectively equipped with the bent axle (2)
Excessive space (4) the interior input channel (6) being connected and the interior output being connected with the total delivery outlet of medium (11) are inputted with medium
Passage (12), the mover (8) are set on the bent axle part of bent axle (2), and positioned at the inside of the stator (7)；It is described dynamic
Even number blade (14), the mover (8) are along the circumferential direction evenly equipped between the sub outer surface of (8) and the inner surface of stator (7)
Outer surface on be along the circumferential direction evenly equipped with identical with the blade (14) quantity and one-to-one jointed shaft (15), Mei Gesuo
State inner surface of the one end of blade (14) with stator (7) to be hinged, the other end and corresponding jointed shaft (15) are axially opposed
Reciprocatingly grafting；Monomer envelope is formed between adjacent two blade (14) and mover (8) outer surface and stator (7) inner surface
Space (17) is closed, the monomer closing space (17), in check medium input channel (19) and the output of in check medium are logical
Road (20) quantity is identical and corresponds connection, the mistake that each monomer closing space (17) rotates a circle in the bent axle (2)
Once, the bent axle (2) continuously rotates for volume increase and decrease in journey, and only the monomer closing space (17) of volume increase is by controlled
Medium input channel (19) be connected with the interior input channel (6), realize medium pass sequentially through the total input port of medium (3),
Medium inputs excessive space (4), interior input channel (6) and the in check medium input channel connected with interior input channel (6)
(19) suck in the monomer closing space (17) of each volume increase；Only a reduced volume of monomer closing space (17) by by
The medium output channel (20) of control is connected with the interior output channel (12), realizes that medium passes sequentially through and interior output channel
(12) the in check medium output channel (20) of connection, interior output channel (12) and the total delivery outlet of medium (11) output.
2. blade hydraulic pump according to claim 1 or hydraulic motor, it is characterised in that：The end face of the blade (14)
To be square, one end is provided with the vane hinge axle (16) being hinged with the stator (7) inner surface；On the jointed shaft (15) radially
Bar-shaped trough (18) is provided with, the other end of the blade (14) is inserted in the bar-shaped trough (18) on corresponding jointed shaft (15)；Institute
Stating blade (14), one end is with vane hinge axle (16) for axis swing during bent axle (2) continuously rotates, and the other end is in institute
State reciprocatingly slide in bar-shaped trough (18) it is flexible.
3. blade hydraulic pump according to claim 2 or hydraulic motor, it is characterised in that：The leaf of each blade (14)
The longitudinal center line of piece jointed shaft (16) and the axial centerline parallel of stator (7), and between the longitudinal center line of stator (7)
Vertical range it is equal；The longitudinal center line of each jointed shaft (15) and the axial centerline parallel of mover (8), and and mover
(8) the vertical range between longitudinal center line is equal.
4. blade hydraulic pump according to claim 2 or hydraulic motor, it is characterised in that：Any blade (14) is another
Ultimate range on one end end and corresponding jointed shaft (15) between the bottom land of bar-shaped trough (18) is more than or equal to the song
2 times of axle (2) eccentric throw.
5. blade hydraulic pump according to claim 2 or hydraulic motor, it is characterised in that：Bar-shaped trough (18) edge hinge
The radial direction of spindle (15) opens up, and groove width is identical with the thickness of the blade (14), and groove depth is more than the radius of jointed shaft (15) and small
Diameter in jointed shaft (15).
6. blade hydraulic pump according to claim 1 or hydraulic motor, it is characterised in that：The stator (7), blade
(14), the axial length of jointed shaft (15) and mover (8) is equal；Offered respectively on the bent axle (2) and interior input channel (6)
The gap A (21) the being connected and gap B (22) being connected with interior output channel (12), gap A (21) and gap B (22) exist
The both sides of axially centered line are distinguished in the floor projection of bent axle (2).
7. blade hydraulic pump according to claim 1 or hydraulic motor, it is characterised in that：The mover (8) and stator
(7) it is circular cylinder body, the longitudinal center line of the mover (8) is parallel with the longitudinal center line of the stator (7), the master of bent axle
Shaft portion longitudinal center line (H) is conllinear with the longitudinal center line of the stator (7), the crank portion of bent axle divide longitudinal center line (G) with
The longitudinal center line of the mover (8) is conllinear, and the bent axle part of the bent axle is located in mover (8), with the mover (8)
Inner surface is dynamic to coordinate abutting.
8. blade hydraulic pump according to claim 1 or hydraulic motor, it is characterised in that：The interior input channel (6)
Opening axial end and bent axle by the distance between section of longitudinal center line of spindle centerline and crankshaft axis are
I, and two planes are parallel to each other；Interior output channel (12) the opening axial end and bent axle pass through spindle centerline and bent axle
The distance between section of longitudinal center line of center line is J, and two planes are parallel to each other.
9. blade hydraulic pump according to claim 8 or hydraulic motor, it is characterised in that：The left side end cap includes interior
Left end cap (5) and outer left end cap (1), the both sides of the interior left end cap (5) are rigid with the stator (7) and outer left end cap (1) respectively
Connection, the interior left end cap (5) are moved to coordinate and abutted with the left side of the mover (8)；The total input port of medium (3) is arranged on
The left side of interior left end cap (5), axially open up, the medium inputs excessive space (4) and is arranged on the middle part of interior left end cap (5), footpath
To opening up, the in check medium input channel (19) is coordinated on the right side of interior left end cap (5)；It is located at the interior left end cap
(5) number of input channel (19) is identical with blade (14) quantity in the in check medium on, and section is bar hole, with described
The circumferencial direction of interior left end cap (5) is uniform, and the width (K) of input channel (19) is equal and small in each in check medium
In or equal to I and J sums.
10. blade hydraulic pump according to claim 8 or hydraulic motor, it is characterised in that：The right side end cap includes
Interior right end cap (9) and outer right end cap (10), the both sides of the interior right end cap (9) respectively with the stator (7) and outer right end cap (10)
It is rigidly connected, the interior right end cap (9) is moved to coordinate and abutted with the right side of the mover (8)；The in check medium output
Passage (20) is opened on interior right end cap (9), and the total delivery outlet of medium (11) is opened on outer right end cap (10)；It is located at described
The number of output channel (20) is identical with blade (14) quantity in check medium on interior right end cap (9), and section is bar
Shape hole, the width (K) of each in check medium output channel (20) uniform with the circumferencial direction of the interior right end cap (9)
It is equal, and less than or equal to I and J sums.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720503261.4U CN206816492U (en) | 2017-05-08 | 2017-05-08 | Blade hydraulic pump or hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720503261.4U CN206816492U (en) | 2017-05-08 | 2017-05-08 | Blade hydraulic pump or hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206816492U true CN206816492U (en) | 2017-12-29 |
Family
ID=60754133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720503261.4U Expired - Fee Related CN206816492U (en) | 2017-05-08 | 2017-05-08 | Blade hydraulic pump or hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206816492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779671A (en) * | 2020-05-14 | 2020-10-16 | 天津市百利溢通电泵有限公司 | Axial-flow eccentric peristaltic displacement pump for electric submersible pump |
-
2017
- 2017-05-08 CN CN201720503261.4U patent/CN206816492U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779671A (en) * | 2020-05-14 | 2020-10-16 | 天津市百利溢通电泵有限公司 | Axial-flow eccentric peristaltic displacement pump for electric submersible pump |
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Granted publication date: 20171229 Termination date: 20200508 |