CN107288881A - Pump assembly, fluid machinery and heat transmission equipment - Google Patents
Pump assembly, fluid machinery and heat transmission equipment Download PDFInfo
- Publication number
- CN107288881A CN107288881A CN201710550200.8A CN201710550200A CN107288881A CN 107288881 A CN107288881 A CN 107288881A CN 201710550200 A CN201710550200 A CN 201710550200A CN 107288881 A CN107288881 A CN 107288881A
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- China
- Prior art keywords
- pump assembly
- cylinder
- slippage slot
- roller
- major axis
- Prior art date
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Classifications
-
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
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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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a kind of pump assembly, fluid machinery and heat transmission equipment.Wherein, pump assembly includes：Upper flange；Lower flange；Cylinder, cylinder is clamped between upper flange and lower flange；Roller, roller is rotatably arranged in cylinder, and the upper end of roller is provided with the first slippage slot, and the lower end of roller is provided with the second slippage slot；Major axis, the bottom of major axis is slidably disposed in the first slippage slot through upper flange, major axis and cylinder eccentric setting and eccentric distance e is fixed；Short axle, the top of short axle is slidably disposed in the second slippage slot through lower flange, short axle and cylinder eccentric setting and eccentric distance e is fixed, short axle and major axis eccentric setting and eccentric distance 2e are fixed, and have sliding angle between the bearing of trend of the bearing of trend of the first slippage slot and the second slippage slot.Present invention efficiently solves the problem of pump assembly in the prior art is complicated, assembling is difficult.
Description
Technical field
The present invention relates to pump housing technical field, in particular to a kind of pump assembly, fluid machinery and heat transmission equipment.
Background technology
In the prior art, pump assembly uses piston cylinder operator, and the rotating shaft of pump assembly and cylinder are in motion process, and two
The position of the barycenter of person is change.Motor driven crankshafts export power, by crankshaft driving piston moved back and forth in cylinder Lai
Compressed gas or liquid acting, to reach the purpose of compressed gas or liquid.
There is many defects in traditional piston type pump assembly：Pump assembly drives one or many by toggle
Individual pistons work, complicated and assembling difficulty.In addition, the side force that bent axle and piston are subject to is larger, piston easily weares and teares, and leads
Cause piston seal performance reduction.
The content of the invention
It is a primary object of the present invention to provide a kind of pump assembly, fluid machinery and heat transmission equipment, to solve existing skill
The problem of art middle pump body modular construction is complicated, assembling is difficult.
To achieve these goals, according to an aspect of the invention, there is provided a kind of pump assembly, including：Upper flange；
Lower flange；Cylinder, cylinder is clamped between upper flange and lower flange；Roller, roller is rotatably arranged in cylinder, roller
Upper end is provided with the first slippage slot, and the lower end of roller is provided with the second slippage slot；Major axis, the bottom of major axis can be slided through upper flange
It is arranged on dynamicly in the first slippage slot, major axis and cylinder eccentric setting and eccentric distance e is fixed；Short axle, the top of short axle is passed through
Lower flange is slidably disposed in the second slippage slot, short axle and cylinder eccentric setting and eccentric distance e is fixed, short axle and major axis
Eccentric setting and eccentric distance 2e is fixed, has between the bearing of trend of the bearing of trend of the first slippage slot and the second slippage slot and slides
Move angle.
Further, the bearing of trend for extending perpendicularly to the second slippage slot of the first slippage slot.
Further, roller is cylindrical roller.
Further, the endoporus of cylinder is ellipse.
Further, cylinder has vane slot, and pump assembly also includes slide plate, and slide plate is slidably disposed in vane slot
And keep abutting with the outer peripheral face of roller.
Further, cylinder has inlet channel and exhaust passage, and inlet channel and exhaust passage are respectively positioned at slide plate
Both sides.
Further, using the plane where slide plate as reference planes, first between the central point of inlet channel to cylinder
Line l1The first included angle A between reference planes is less than or equal to 50 degree.
Further, using the plane where slide plate as reference planes, second between the central point of exhaust passage to cylinder
Line l2The second included angle B between reference planes is less than or equal to 50 degree.
Further, using the plane where slide plate as reference planes, second between the central point of exhaust passage to cylinder
Line l2With the first line l1Between the 3rd angle C be less than or equal to 90 degree.
Further, the head of slide plate has arcwall face；The afterbody of slide plate sets sliding blade spring.
Further, major axis includes the major axis cylindrical section being sequentially connected with and the first sliding section, major axis circle along its length
Shell of column is pivotally connected with upper flange, and the first sliding section has two first sliding mating surfaces being oppositely arranged, two first slidings
Mating surface and the cell wall of the first slippage slot are slidably matched.
Further, the major axis center of the first lubrication groove, the first lubrication groove and major axis is provided with the first sliding mating surface
Hole is connected by the first oil-through hole, the outer surface of the first oil-through hole connection major axis and the inner surface of major axis centre bore.
Further, short axle includes the short axle cylindrical section being sequentially connected with and the second sliding section, short axle circle along its length
Shell of column is pivotally connected with lower flange, and the second sliding section has two second sliding mating surfaces being oppositely arranged, two second slidings
Mating surface and the cell wall of the second slippage slot are slidably matched.
Further, the short axle center of the second lubrication groove, the second lubrication groove and short axle is provided with the second sliding mating surface
Hole is connected by the second oil-through hole, the outer surface of the second oil-through hole connection short axle and the inner surface of short axle centre bore.
Further, the first slippage slot is connected with the second slippage slot by axially extending bore.
Further, cylinder exhaust port is provided with the end face of cylinder so that as exhaust passage, upper flange has and cylinder
The flange exhaust outlet of exhaust outlet connection, pump assembly also includes exhaust valve component, and exhaust valve component is arranged on flange exhaust ports.
Further, the upper surface of upper flange has mounting groove, and exhaust valve component is arranged in mounting groove, exhaust valve component
Also include：Exhaust valve plate；Baffle plate, shutter is located on exhaust valve plate；Fastener is vented, exhaust fastener sequentially passes through baffle plate
One end, one end of exhaust valve plate are connected with upper flange.
Further, the endoporus of cylinder is non-circular.
According to another aspect of the present invention there is provided a kind of fluid machinery, including above-mentioned pump assembly.
According to another aspect of the present invention there is provided a kind of heat transmission equipment, including above-mentioned fluid machinery.
Apply the technical scheme of the present invention, in pump assembly running, major axis drives roller by the first slippage slot
Motion, then roller is reciprocating in the bearing of trend of the first slippage slot relative to major axis, meanwhile, the second sliding of roller lower end
The top of groove and short axle is slidably matched, the second slippage slot live stub axle motion, then roller relative to short axle in the second slippage slot
Bearing of trend is reciprocating.Due to having sliding between the bearing of trend of the first slippage slot and the bearing of trend of the second slippage slot
The superimposed motion of angle, the then bearing of trend of the bearing of trend of the first slippage slot of roller progress and the second slippage slot, so as to adjust
Volume volume between cylinder and roller, it is ensured that pump assembly can normally be run.
Major axis and the eccentric distance of short axle are 2e in the application, and the bottom of major axis and the top of short axle are arranged on roller
On, roller moves back and forth relative to major axis and short axle.So, the structure phase combined with piston in the prior art with piston bush
Than above-mentioned setting causes the structure of pump assembly simpler, compact, while so that the assembling of pump assembly is more prone to.This
Outside, the volume of the pump assembly in the application is smaller, so as to reduce the processing cost of pump assembly.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the decomposition texture schematic diagram of the embodiment of the pump assembly according to the present invention；And
Fig. 2 shows the sectional view of the pump assembly in Fig. 1；
Fig. 3 shows the top view of the pump assembly in Fig. 1；
Fig. 4 shows the dimensional structure diagram of the major axis of the pump assembly in Fig. 1；
Fig. 5 shows the sectional view of the major axis in Fig. 4；
Fig. 6 shows the perspective view of the roller of the pump assembly in Fig. 1；
Fig. 7 shows the top view of the roller in Fig. 6；
Fig. 8 shows the sectional view of the roller in Fig. 6；
Fig. 9 shows the dimensional structure diagram of the short axle in Fig. 1；
Figure 10 shows the front view of the short axle in Fig. 9；
Figure 11 shows the sectional view of the short axle in Fig. 9；
Figure 12 shows the dimensional structure diagram of the cylinder in Fig. 1；
Figure 13 shows the top view of the cylinder in Figure 12；
Figure 14 shows the D-D of the cylinder in Figure 13 to sectional view；
Figure 15 shows the dimensional structure diagram of the upper flange in Fig. 1；
Figure 16 shows the top view of the upper flange in Figure 15；
Figure 17 shows the E-E of the upper flange in Figure 16 to sectional view；
Figure 18 shows the dimensional structure diagram of the lower flange in Fig. 1；
Figure 19 shows the sectional view of the lower flange in Figure 18；
Figure 20 shows the dimensional structure diagram of the slide plate in Fig. 1；
Figure 21 shows the front view of the slide plate in Figure 20；
Figure 22 shows the assembling process schematic diagram of the pump assembly in Fig. 1；
Figure 23 shows that the pump assembly in Fig. 1 is in the working state schematic representation in breathing process；
Figure 24 shows that the pump assembly in Fig. 1 is in working state schematic representation when air-breathing is completed；
Figure 25 shows that the pump assembly in Fig. 1 is in the working state schematic representation before compression, exhaust start；
Figure 26 shows that the pump assembly in Fig. 1 is in the working state schematic representation in compression, exhaust process；
Figure 27 shows that the pump assembly in Fig. 1 is in the working state schematic representation at the end of exhaust；
Figure 28 shows the dimensional structure diagram of the exhaust valve component in Fig. 1；
Figure 29 shows the sectional view of the embodiment of the compressor according to the present invention；And
Figure 30 shows the fundamental diagram of the pump assembly in Fig. 1.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, upper flange；11st, flange exhaust outlet；12nd, mounting groove；20th, lower flange；30th, cylinder；31st, vane slot；32nd, air inlet
Passage；33rd, exhaust passage；40th, roller；41st, the first slippage slot；42nd, the second slippage slot；43rd, axially extending bore；50th, major axis；51、
Major axis cylindrical section；52nd, the first sliding section；521st, the first sliding mating surface；522nd, the first lubrication groove；53rd, major axis centre bore；54、
First oil-through hole；60th, short axle；61st, short axle cylindrical section；62nd, the second sliding section；621st, the second sliding mating surface；622nd, the second profit
Chute；63rd, short axle centre bore；64th, the second oil-through hole；70th, slide plate；71st, reference planes；72nd, arcwall face；73rd, sliding blade spring；
80th, exhaust valve component；81st, exhaust valve plate；82nd, baffle plate；83rd, it is vented fastener；91st, the first fastener；92nd, the second fastener；
100th, knockout part；110th, housing unit；120th, electric machine assembly；130th, pump assembly；140th, cover assembly；150th, lower cover and
Installing plate.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is pointed out that unless otherwise specified, all technologies used in this application and scientific terminology have and the application
The identical meanings that person of an ordinary skill in the technical field is generally understood that.
In the present invention, in the case where not making opposite explanation, the noun of locality used is typically pin such as " upper and lower, top, bottom "
For direction shown in the drawings, or for part in itself on vertical, vertical or gravity direction for；Equally
Ground, for ease of understanding and describing, " inside and outside " refers to the inside and outside of the profile relative to each part in itself, but the above-mentioned noun of locality is not
For limiting the present invention.
In order to solve the problem of pump assembly in the prior art is complicated, assembling is difficult, the invention provides a kind of pump
Body component, fluid machinery and heat transmission equipment, wherein heat transmission equipment use following pump assemblies.
As shown in Figure 1 to Figure 3, the pump assembly of the present embodiment include upper flange 10, lower flange 20, cylinder 30, roller 40,
Major axis 50 and short axle 60.Wherein, cylinder 30 is clamped between upper flange 10 and lower flange 20.Roller 40 is rotatably arranged in gas
In cylinder 30, the upper end of roller 40 is provided with the first slippage slot 41, and the lower end of roller 40 is provided with the second slippage slot 42.Major axis 50
Bottom is slidably disposed in the first slippage slot 41 through upper flange 10, major axis 50 and the eccentric setting of cylinder 30 and eccentric distance
E is fixed.The top of short axle 60 is slidably disposed in the second slippage slot 42 through lower flange 20, and short axle 60 is eccentric with cylinder 30
Set and eccentric distance e is fixed, short axle 60 and the eccentric setting of major axis 50 and eccentric distance 2e is fixed, the extension of the first slippage slot 41
There is sliding angle between the bearing of trend of direction and the second slippage slot 42.
Using the technical scheme of the present embodiment, in pump assembly running, major axis 50 is driven by the first slippage slot 41
Dynamic roller 40 is moved, then roller 40 is reciprocating in the bearing of trend of the first slippage slot 41 relative to major axis 50, meanwhile, roller
Second slippage slot 42 of 40 lower ends and the top of short axle 60 are slidably matched, and the live stub axle 60 of the second slippage slot 42 is moved, then roller
40 is reciprocating in the bearing of trend of the second slippage slot 42 relative to short axle 60.Due to the first slippage slot 41 bearing of trend with
There is sliding angle, then roller 40 carries out the bearing of trend and the of the first slippage slot 41 between the bearing of trend of second slippage slot 42
The superimposed motion of the bearing of trend of two slippage slots 42, so as to adjust the volume volume between cylinder 30 and roller 40, it is ensured that the pump housing
Component can normally be run.
The eccentric distance of major axis 50 and short axle 60 is 2e in the present embodiment, and the bottom of major axis 50 and the top of short axle 60 are set
Put on roller 40, roller 40 moves back and forth relative to major axis 50 and short axle 60.So, with piston in the prior art and work
The structure of plug sleeve combination is compared, and above-mentioned setting causes the structure of pump assembly simpler, compact, while so that pump assembly
Assembling is more prone to.In addition, the volume of the pump assembly in the present embodiment is smaller, so as to reduce the processing cost of pump assembly.
In the pump assembly of the present embodiment, because roller 40 moves along a straight line relative to major axis 50 and short axle 60, rather than
Rotary reciprocating motion, thus eccentric mass is effectively reduced, the side force that major axis 50, short axle 60 and roller 40 are subject to is reduced,
So as to reduce the abrasion of roller 40, improve the sealing property of roller 40.Simultaneously, it is ensured that the operation stability of pump assembly
And reliability, and reduce the vibration risk of pump assembly, simplify the structure of pump assembly.
It should be noted that when only short axle 60 and the eccentric distance of major axis 50 are 2e, just can guarantee that pump assembly just
Often operation.
It should be noted that major axis 50 and the eccentric setting of cylinder 30, and the axle center of short axle 60 and the axle center of cylinder 30 are eccentric
Set.Cylinder 30 installed as described above, the eccentric distance that can not only ensure cylinder 30 and short axle 60 and major axis 50 is e,
And can also ensure that the eccentric distance between major axis 50 and short axle 60 is 2e, so that roller 40 has kinetic stability good
Feature.
In the present embodiment, upper flange 10 is fixed by the first fastener 91 and cylinder 30, and lower flange 20 is tight by second
Firmware 92 is fixed with cylinder 30.Preferably, the first fastener 91 and/or the second fastener 92 are screw or bolt.
Alternatively, four screwed holes are opened up on upper flange 10, circle and upper flange 10 that the centers of circle of four screwed holes is constituted
Axis hole (major axis 50 is connected through axis hole with roller 40) eccentric setting, eccentric distance is e, eccentric distance e be pump assembly
Overall offset.Alternatively, the first fastener 91 is four, and the screwed hole being fed through respectively on upper flange 10 connects with cylinder 30
Connect.
As shown in Figure 18 and Figure 19, alternatively, four screwed holes, the center of circle institute structure of four screwed holes are opened up on lower flange 20
Into circle be arranged concentrically with the axis hole (short axle 60 is connected through axis hole with roller 40) of lower flange 20.Alternatively, the second fastener
92 be four, and the screwed hole being fed through respectively on lower flange 20 is connected with cylinder 30.
As shown in figure 3, in the pump assembly of the present embodiment, the first slippage slot 41 extends perpendicularly to the second sliding
The bearing of trend of groove 42.Specifically, due to forming cross slides between roller 40, major axis 50, cylinder 30 and short axle 60, because
And cause the motion stabilization of roller 40 and cylinder 30 and continuous, and ensure the change of the volume volume between cylinder 30 and roller 40
With rule, so as to ensure that the operation stability of fluid machinery, and then the functional reliability of pump assembly is improved.
The operation to pump assembly is specifically introduced below：
As shown in figure 29, the pump assembly in the present embodiment is set using cross slides principle.Wherein, major axis 50
Center line O1Eccentric distance between the central axis O of cylinder 30 is e, the center line O of short axle 602With the central shaft of cylinder 30
Eccentric distance between line O is e, and the center line O of major axis 501With the center line O of short axle 602Eccentric setting, and the bias of the two
Distance is 2e, and the two rotates rotating around respective axle center.When major axis 50 is rotated, roller 40 makees reciprocating linear relative to major axis 50
Slide, meanwhile, roller 40 drives short axle 60 to rotate, and roller 40 makees reciprocating linear slip relative to short axle 60, to realize pump housing group
The air-breathing of part, compression, exhaust event.So, roller 40 is run relative to the axle center of cylinder 30 in the range of eccentric distance e,
The stroke of roller 40 is 2e.Roller 40 is equivalent to the slide plate in cross slides, the center of roller 40 to the center of major axis 50 and rolling
The distance at sub 40 centers to the center of short axle 60 is respectively equivalent to two connecting rod l of cross slide plate3、l4, and roller 40 is along first connecting rod
l3Vibration-direction and slide plate are along second connecting rod l4Vibration-direction is mutually perpendicular to, and thus constitutes cross slide plate principle
Agent structure.
Alternatively, the first slippage slot 41 and/or the second slippage slot 42 are rectangular channel.
As shown in Figure 6 to 8, in the pump assembly of the present embodiment, roller 40 is cylindrical roller.So, cylinder 30
Inner circle be circular configuration, roller 40 be cylindrical structural so that motion of the roller 40 in cylinder 30 it is more smooth, even
It is continuous, improve the operating efficiency of pump assembly.
In the accompanying drawings in unshowned other embodiment, the endoporus of cylinder is oval or non-circular.Wherein, not rounded
Shape structure refers to the structure for being smoothly connected (transition).Meanwhile, the extension side of the bearing of trend of the first slippage slot and the second slippage slot
Set to non-perpendicular, so that forming cross slides between roller, major axis, cylinder and short axle so that roller is in cylinder
Interior motion is more smooth, continuous, improves the operating efficiency of pump assembly.
As shown in Figure 12 to Figure 14, in the pump assembly of the present embodiment, cylinder 30 has vane slot 31, and pump assembly is also
Including slide plate 70, slide plate 70 is slidably disposed in vane slot 31 and keeps abutting with the outer peripheral face of roller 40.Specifically, roll
Crescent-shaped space is formed between sub 40 outer peripheral face and the inner peripheral surface of cylinder 30, the outer peripheral face holding of slide plate 70 and roller 40 is supported
Connect, then cause the crescent-shaped space to be divided into two chambers, and two chambers are not connected mutually.Enter in roller 40 in cylinder 30
During the motion of row cross slide plate form, the cumulative volume of two chambers is constant in cylinder 30, but divided two chambers
The respective volume of room changes, so as to realize the air-breathing of pump assembly, compression, exhaust event.
As shown in figure 12, in the pump assembly of the present embodiment, cylinder 30 has inlet channel 32 and exhaust passage 33, enters
Gas passage 32 and exhaust passage 33 are located at the both sides of slide plate 70 respectively.Specifically, the inner circumferential of the outer peripheral face of roller 40 and cylinder 30
Cavity is formed between face, the cavity is divided into two chambers by slide plate 70, and the two chambers are not connected mutually.The rotation of roller 40 one
Week, two chambers are respectively completed air-breathing, compression, exhaust process.
Alternatively, the discharge directions of exhaust passage 33 and the horizontal plane where cylinder 30.It can so prevent from row
The housing outside gas blow-through pump assembly that gas passage 33 is discharged, the noise that reduction exhaust process is produced.
Specifically, air-breathing, compression, the exhaust process of pump assembly are illustrated by taking one of chamber as an example, it is as follows：When the chamber
When room is connected with inlet channel 32, gas enters to cavity by cylinder air inlet, starts air-breathing (refer to Figure 23)；Major axis 50
Continue to drive roller 40, short axle 60 to turn clockwise, when the chamber departs from inlet channel 32, whole air-breathing terminates, now cavity
It is fully sealed, starts to compress (refer to Figure 24)；Roller 40 continues to rotate, and gas is constantly compressed, when the chamber is logical with exhaust
When road 33 is connected, gas enters to cylinder exhaust port by exhaust passage 33 and starts to be vented (refer to Figure 25)；Roller 40 continues
Constantly it is vented while rotation, constantly compression, until the chamber completely disengages from exhaust passage 33, completes whole air-breathing, compression, row
Gas process (refer to Figure 26 and 27)；The subsequent chamber is again coupled to inlet channel 32 after rotating to an angle, into next
Circulation.
It should be noted that the discharge directions not limited to this of exhaust passage 33.Alternatively, the discharge directions of exhaust passage 33
Plane-parallel that can also be where cylinder 30, and there is the 3rd angle C with inlet channel 32.
As shown in Figure 21, Figure 23 to Figure 27, in the pump assembly of the present embodiment, using the plane where slide plate 70 as reference
The first line l between plane 71, the central point of inlet channel 32 to cylinder 301The first included angle A between reference planes 71
Less than or equal to 50 degree.
As shown in Figure 21, Figure 23 to Figure 27, in the pump assembly of the present embodiment, using the plane where slide plate 70 as reference
The second line l between plane 71, the central point of exhaust passage 33 to cylinder 302The second included angle B between reference planes 71
Less than or equal to 50 degree.
As shown in Figure 21, Figure 23 to Figure 27, in the pump assembly of the present embodiment, using the plane where slide plate 70 as reference
The second line l between plane 71, the central point of exhaust passage 33 to cylinder 302With the first line l1Between the 3rd angle C it is small
In equal to 90 degree.Wherein, the 3rd angle C is the first included angle A and the second included angle B sum.
It should be noted that the specific value of the first included angle A, the second included angle B and the 3rd angle C is with the rolling rotor-type pump housing
Component is consistent, not fixed requirement, i.e., according to the internal diameter size of cylinder 30, the numerical value of above-mentioned angle can be varied from.Generally
Only need to ensure that the edge of slide plate 70 to inlet channel 32 or the minimum seal length and intensity at the edge of exhaust passage 33
.
As shown in Figure 20 and Figure 21, in the pump assembly of the present embodiment, the head of slide plate 70 has arcwall face 72, and sliding
The afterbody of piece 70 sets sliding blade spring 73.So, during roller 40 is rotated in cylinder 30, arcwall face 72 and roller 40
Outer peripheral face it is tangent, so as to reduce the frictional force of slide plate 70 and roller 40, reduce the abrasion of slide plate 70 and roller 40, extend the pump housing
The service life of component.Specifically, sliding blade spring 73 is set in the afterbody of slide plate 70, in the resilient force of sliding blade spring 73
Under, arcwall face 72 all the time can be tangent with the outer peripheral face of roller 40, so as to prevent the two chambers in cavity from communicating.
As shown in Figure 4 and Figure 5, in the pump assembly of the present embodiment, major axis 50 includes being sequentially connected with along its length
The sliding section 52 of major axis cylindrical section 51 and first, major axis cylindrical section 51 is pivotally connected with upper flange 10, and first, which slides section 52, has
Two first sliding mating surfaces 521 being oppositely arranged, the cell wall of the two first sliding slippage slots 41 of mating surface 521 and first is slided
Coordinate.So, the bottom of major axis 50 pass through upper flange 10 after with first sliding section 52 coordinate.
Specifically, the motor driving major axis 50 of pump assembly rotated along its center axis, major axis cylindrical section 51
It is rotated, is rotated while driving first to slide section 52 relative to upper flange 10, then two of the first sliding section 52
The cell wall cooperation of the first sliding slippage slot 41 of mating surface 521 and first so that roller 40 is carried out under the driving of major axis 50 along the
The bearing of trend of one slippage slot 41 reciprocatingly slides.
As shown in Figure 4 and Figure 5, in the pump assembly of the present embodiment, the first profit is provided with the first sliding mating surface 521
Chute 522, the first lubrication groove 522 is connected with the major axis centre bore 53 of major axis 50 by the first oil-through hole 54, the first oil-through hole 54
Connect the outer surface of major axis 50 and the inner surface of major axis centre bore 53.So, during major axis 50 is rotated, lubricating oil is from length
Axle centre bore 53 is flowed into the first lubrication groove 522 via the first oil-through hole 54, it is ensured that lubricating oil can be from major axis centre bore 53
Successfully flow into the first lubrication groove 522, so as to be lubricated to the first sliding mating surface 521.Above-mentioned setting ensure that length
The oiling convenience of axle centre bore 53, and efficiently avoid major axis 50 and roller 40 and rub excessive and wear and tear, so as to improve
The motion smoothing of the two.
As shown in Figures 9 to 11, in the pump assembly of the present embodiment, short axle 60 includes being sequentially connected with along its length
The sliding section 62 of short axle cylindrical section 61 and second, short axle cylindrical section 61 is pivotally connected with lower flange 20, and second, which slides section 62, has
Two second sliding mating surfaces 621 being oppositely arranged, the cell wall of the two second sliding slippage slots 42 of mating surface 621 and second is slided
Coordinate.
Specifically, the motor driving major axis 50 of pump assembly rotated along its center axis, major axis cylindrical section 51
It is rotated, is rotated while driving first to slide section 52 relative to upper flange 10, then two of the first sliding section 52
The cell wall cooperation of the first sliding slippage slot 41 of mating surface 521 and first so that roller 40 is carried out under the driving of major axis 50 along the
The bearing of trend of one slippage slot 41 reciprocatingly slides.Afterwards, the second slippage slot 42 of roller 40 drives two second slidings to coordinate
Line slip is entered in face 621, then short axle 60 carries out the rotary motion relative to lower flange 20 so that roller 40 is carried out relative to short axle 60
Reciprocatingly slided along the bearing of trend of second slippage slot 42.Wherein, the first slippage slot 41 is mutually perpendicular to the second slippage slot 42, is made
Roller 40 is obtained to be mutually perpendicular to along the vibration-direction of the second slippage slot 42 with roller 40 along the vibration-direction of the first slippage slot 41,
Then the relative motion relation of major axis 50, roller 40 and short axle 60 forms cross slides principle.
As shown in figures 9 and 11, in the pump assembly of the present embodiment, second is provided with the second sliding mating surface 621
Lubrication groove 622, the second lubrication groove 622 is connected with the short axle centre bore 63 of short axle 60 by the second oil-through hole 64, the second oil-through hole
The outer surface of 64 connection short axles 60 and the inner surface of short axle centre bore 63.So, short axle 60 rotate during, lubricating oil from
Short axle centre bore 63 is flowed into the second lubrication groove 622 via the second oil-through hole 64, it is ensured that lubricating oil can be from short axle centre bore
63 successfully flow into the second lubrication groove 622, so as to be lubricated to the second sliding mating surface 621.Above-mentioned setting ensure that
The oiling convenience of short axle centre bore 63, and efficiently avoid short axle 60 and roller 40 and rub excessive and wear and tear, so as to improve
The two motion smoothing.
Preferably, roller 40 is the structure with certain roughness.So, in the first slippage slot 41 and the second slippage slot 42
With certain roughness, so that it is guaranteed that relative motion can be realized between roller 40, major axis 50 and the three of short axle 60.
As shown in Figure 6 and Figure 8, in the pump assembly of the present embodiment, the first slippage slot 41 passes through with the second slippage slot 42
Axially extending bore 43 is connected.So, the lubricating oil in major axis 50 is from the first lubrication groove 522 flows into short axle via axially extending bore 43
Heart hole 63, and flowed out from the second lubrication groove 622, largely leak, fill so as to constitute completion asphalt channel and be prevented effectively from lubricating oil
Divide and utilize lubricating oil, it is to avoid the use of lubricating oil is wasted.Meanwhile, improve the flowing reliability of lubricating oil.
As shown in Figure 12 to Figure 16, in the pump assembly of the present embodiment, cylinder exhaust is provided with the end face of cylinder 30
Mouth is so that as exhaust passage 33, upper flange 10 has the flange exhaust outlet 11 connected with cylinder exhaust port, and pump assembly also includes
Exhaust valve component 80, exhaust valve component 80 is arranged at flange exhaust outlet 11.Due to being provided with exhaust at flange exhaust outlet 11
Valve module 80, thus be prevented effectively from sky intracavity gas and largely leak, it is ensured that the compression efficiency of cavity.
As shown in Figure 15 to Figure 17, Figure 28, in the pump assembly of the present embodiment, the upper surface of upper flange 10, which has, installs
Groove 12, exhaust valve component 80 is arranged in mounting groove 12, and it is tight that exhaust valve component 80 also includes exhaust valve plate 81, baffle plate 82 and exhaust
Firmware 83.Wherein, the lid of baffle plate 82 is located on exhaust valve plate 81.Exhaust fastener 83 sequentially passes through one end of baffle plate 82, air bleeding valve
One end of piece 81 is connected with upper flange 10.Due to being provided with for installing, accommodating the mounting groove 12 of exhaust valve component 80, thus subtract
The space-consuming of exhaust valve component 80 is lacked, part is rationally set, so as to improve the space availability ratio of cylinder 30.In addition,
Excessively opened due to being provided with exhaust valve plate 81 and baffle plate 82 on exhaust valve component 80, thus being prevented effectively from exhaust valve plate 81,
It ensure that the exhaust performance of cylinder 30.
Alternatively, exhaust fastener 83 is screw or bolt.
Specifically, exhaust valve component 80 can separate the exterior space of cavity and pump assembly, be back pressure exhaust：Work as pump
When body component starts exhaust, gas enters to cylinder exhaust port via exhaust passage 33, enters back into afterwards to flange exhaust outlet 11.
If the gas pressure value in flange exhaust outlet 11 is more than exterior space pressure (pressure at expulsion), exhaust valve plate 81 is opened, and starts
Exhaust；If the gas pressure value in flange exhaust outlet 11 is less than or equal to exterior space pressure (pressure at expulsion), now air bleeding valve
Piece 81 does not work.Now, pump assembly remains in operation, compressed, until cylinder exhaust port is connected with flange exhaust outlet 11, by cylinder
Gas press-in exterior space in exhaust outlet, completes exhaust process.The exhaust mode of flange exhaust outlet 11 is forced exhaust mode.
In the pump assembly of the present embodiment, the assembling process of pump assembly is as shown in figure 22, specific as follows：
First the lower end of major axis 50 is stretched in the first slippage slot 41 of roller 40, then the upper end loading of short axle 60 is stretched into
To the second slippage slot 42 of roller 40, the entirety that three is constituted is fitted into cylinder 30 again afterwards, finally, passes through upper flange 10
With lower flange 20 by cylinder 30 and being integrally connected together that three is constituted.Specifically, upper flange 10 be set in major axis 50 it is outer and
The upper surface of cylinder 30 is arranged on by the first fastener 91, lower flange 20 is set in outside short axle 60 and by the second fastener 92
Installed in the lower surface of cylinder 30, and then roller 40 is arranged in cylinder 30 and roller 40 can be transported relative to cylinder 30
It is dynamic.
As shown in figure 30, present invention also provides a kind of fluid machinery, including above-mentioned pump assembly.Alternatively, fluid
Machinery is compressor.The compressor include knockout part 100, housing unit 110, electric machine assembly 120, pump assembly 130, on
Cap assemblies 140 and lower cover and installing plate 150.Wherein, knockout part 100 is arranged on the outside of housing unit 110, cover assembly
140 are assemblied in the upper end of housing unit 110, and lower cover and installing plate 150 are assemblied in the lower end of housing unit 110, electric machine assembly 120
The inside of housing unit 110 is respectively positioned on pump assembly 130, and electric machine assembly 120 is arranged on the top of pump assembly 130.Pressure
The pump assembly 130 of contracting machine includes above-mentioned upper flange 10, lower flange 20, cylinder 30, roller 40, major axis 50 and short axle 60.
Alternatively, above-mentioned each part is connected by way of welding, hot jacket or cold pressing.
Present invention also provides a kind of heat transmission equipment (not shown), including above-mentioned fluid machinery.Alternatively, heat transmission equipment
For air-conditioning.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
In pump assembly running, major axis drives roller movement by the first slippage slot, then roller is relative to major axis
It is reciprocating in the bearing of trend of the first slippage slot, meanwhile, the second slippage slot of roller lower end and the top of short axle are slided and matched somebody with somebody
Close, the motion of the second slippage slot live stub axle, then roller is reciprocating in the bearing of trend of the second slippage slot relative to short axle.By
There is sliding angle between the bearing of trend of the first slippage slot and the bearing of trend of the second slippage slot, then roller carries out the first cunning
The superimposed motion of the bearing of trend of groove and the bearing of trend of the second slippage slot is moved, so as to adjust the volume between cylinder and roller
Product, it is ensured that pump assembly can normally be run.
Major axis and the eccentric distance of short axle are 2e in the application, and the bottom of major axis and the top of short axle are arranged on roller
On, roller moves back and forth relative to major axis and short axle.So, the structure phase combined with piston in the prior art with piston bush
Than above-mentioned setting causes the structure of pump assembly simpler, compact, while so that the assembling of pump assembly is more prone to.This
Outside, the volume of the pump assembly in the application is smaller, so as to reduce the processing cost of pump assembly.
Obviously, above-mentioned described embodiment is only the embodiment of a part of the invention, rather than whole embodiments.
Based on the embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under the premise of creative work is not made
Other embodiment, should all belong to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, work, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so that presently filed embodiment described herein can be with except illustrating herein
Or the order beyond those of description is implemented.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (20)
1. a kind of pump assembly, it is characterised in that including：
Upper flange (10)；
Lower flange (20)；
Cylinder (30), the cylinder (30) is clamped between the upper flange (10) and the lower flange (20)；
Roller (40), the roller (40) is rotatably arranged in the cylinder (30), and the upper end of the roller (40) is set
There is the first slippage slot (41), the lower end of the roller (40) is provided with the second slippage slot (42)；
Major axis (50), the bottom of the major axis (50) is slidably disposed on first slippage slot through the upper flange (10)
(41) in, the major axis (50) and the cylinder (30) eccentric setting and eccentric distance e is fixed；
Short axle (60), the top of the short axle (60) is slidably disposed on second slippage slot through the lower flange (20)
(42) in, the short axle (60) and the cylinder (30) eccentric setting and eccentric distance e is fixed, the short axle (60) and the length
Axle (50) eccentric setting and eccentric distance 2e is fixed, bearing of trend and second slippage slot of first slippage slot (41)
(42) there is sliding angle between bearing of trend.
2. pump assembly according to claim 1, it is characterised in that the bearing of trend of first slippage slot (41) is vertical
In the bearing of trend of second slippage slot (42).
3. pump assembly according to claim 2, it is characterised in that the roller (40) is cylindrical roller.
4. pump assembly according to claim 1, it is characterised in that the endoporus of the cylinder (30) is ellipse.
5. pump assembly according to any one of claim 1 to 4, it is characterised in that the cylinder (30) has slide plate
Groove (31), the pump assembly also includes slide plate (70), and the slide plate (70) is slidably disposed in the vane slot (31)
And keep abutting with the outer peripheral face of the roller (40).
6. pump assembly according to claim 5, it is characterised in that the cylinder (30) has inlet channel (32) and row
Gas passage (33), the inlet channel (32) and the exhaust passage (33) are respectively positioned at the both sides of the slide plate (70).
7. pump assembly according to claim 6, it is characterised in that using the plane where the slide plate (70) as with reference to flat
The first line l between face (71), the central point of the inlet channel (32) to the cylinder (30)1With the reference planes
(71) the first included angle A between is less than or equal to 50 degree.
8. pump assembly according to claim 6, it is characterised in that using the plane where the slide plate (70) as with reference to flat
The second line l between face (71), the central point of the exhaust passage (33) to the cylinder (30)2With the reference planes
(71) the second included angle B between is less than or equal to 50 degree.
9. pump assembly according to claim 7, it is characterised in that using the plane where the slide plate (70) as with reference to flat
The second line l between face (71), the central point of the exhaust passage (33) to the cylinder (30)2With the first line l1
Between the 3rd angle C be less than or equal to 90 degree.
10. pump assembly according to claim 5, it is characterised in that
The head of the slide plate (70) has arcwall face (72)；
The afterbody of the slide plate (70) sets sliding blade spring (73).
11. pump assembly according to any one of claim 1 to 4, it is characterised in that the major axis (50) is along its length
Direction includes the major axis cylindrical section (51) being sequentially connected with and the first sliding section (52), the major axis cylindrical section (51) and the upper method
Blue (10) are pivotally connected, and the first sliding section (52) has two first sliding mating surfaces (521) being oppositely arranged, two institutes
State the first sliding mating surface (521) and the cell wall of first slippage slot (41) is slidably matched.
12. pump assembly according to claim 11, it is characterised in that set in the first sliding mating surface (521)
There is the first lubrication groove (522), first lubrication groove (522) and the major axis centre bore (53) of the major axis (50) pass through the first mistake
Oilhole (54) is connected, and first oil-through hole (54) connects the outer surface of the major axis (50) and the major axis centre bore (53)
Inner surface.
13. pump assembly according to any one of claim 1 to 4, it is characterised in that the short axle (60) is along its length
Direction includes the short axle cylindrical section (61) being sequentially connected with and the second sliding section (62), the short axle cylindrical section (61) and the laxative remedy
Blue (20) are pivotally connected, and the second sliding section (62) has two second sliding mating surfaces (621) being oppositely arranged, two institutes
State the second sliding mating surface (621) and the cell wall of second slippage slot (42) is slidably matched.
14. pump assembly according to claim 13, it is characterised in that set in the second sliding mating surface (621)
There is the second lubrication groove (622), second lubrication groove (622) and the short axle centre bore (63) of the short axle (60) pass through the second mistake
Oilhole (64) is connected, and second oil-through hole (64) connects the outer surface of the short axle (60) and the short axle centre bore (63)
Inner surface.
15. pump assembly according to any one of claim 1 to 4, it is characterised in that first slippage slot (41) with
Second slippage slot (42) is connected by axially extending bore (43).
16. pump assembly according to claim 6, it is characterised in that be provided with cylinder on the end face of the cylinder (30)
Exhaust outlet is so that as the exhaust passage (33), the upper flange (10) has the flange exhaust connected with the cylinder exhaust port
Mouth (11), the pump assembly also includes exhaust valve component (80), and the exhaust valve component (80) is arranged on the flange exhaust
Mouth (11) place.
17. pump assembly according to claim 16, it is characterised in that the upper surface of the upper flange (10), which has, installs
Groove (12), the exhaust valve component (80) is arranged in the mounting groove (12), and the exhaust valve component (80) also includes：
Exhaust valve plate (81)；
Baffle plate (82), baffle plate (82) lid is located on the exhaust valve plate (81)；
Fastener (83) is vented, the exhaust fastener (83) sequentially passes through one end of the baffle plate (82), the exhaust valve plate
(81) one end is connected with the upper flange (10).
18. pump assembly according to claim 1, it is characterised in that the endoporus of the cylinder (30) is non-circular.
19. a kind of fluid machinery, it is characterised in that including the pump assembly any one of claim 1 to 18.
20. a kind of heat transmission equipment, it is characterised in that including the fluid machinery described in claim 19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550200.8A CN107288881B (en) | 2017-07-06 | 2017-07-06 | Pump body assembly, fluid machine and heat exchange equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550200.8A CN107288881B (en) | 2017-07-06 | 2017-07-06 | Pump body assembly, fluid machine and heat exchange equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107288881A true CN107288881A (en) | 2017-10-24 |
| CN107288881B CN107288881B (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710550200.8A Active CN107288881B (en) | 2017-07-06 | 2017-07-06 | Pump body assembly, fluid machine and heat exchange equipment |
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| Country | Link |
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| CN (1) | CN107288881B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08170595A (en) * | 1994-12-16 | 1996-07-02 | Matsushita Refrig Co Ltd | Hermetic compressor |
| CN1540166A (en) * | 2003-04-24 | 2004-10-27 | 日立家用电器公司 | Horizontal rotary commpressor |
| CN105570130A (en) * | 2016-02-16 | 2016-05-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor pump structure and compressor |
| CN106704183A (en) * | 2015-08-07 | 2017-05-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Fluid machine, heat exchange apparatus and running method of fluid machine |
| CN207033736U (en) * | 2017-07-06 | 2018-02-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
-
2017
- 2017-07-06 CN CN201710550200.8A patent/CN107288881B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08170595A (en) * | 1994-12-16 | 1996-07-02 | Matsushita Refrig Co Ltd | Hermetic compressor |
| CN1540166A (en) * | 2003-04-24 | 2004-10-27 | 日立家用电器公司 | Horizontal rotary commpressor |
| CN106704183A (en) * | 2015-08-07 | 2017-05-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Fluid machine, heat exchange apparatus and running method of fluid machine |
| CN105570130A (en) * | 2016-02-16 | 2016-05-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor pump structure and compressor |
| CN207033736U (en) * | 2017-07-06 | 2018-02-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
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| Publication number | Publication date |
|---|---|
| CN107288881B (en) | 2020-03-13 |
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