CN107882728A - Rotary blade type compressor and its pump assembly - Google Patents
Rotary blade type compressor and its pump assembly Download PDFInfo
- Publication number
- CN107882728A CN107882728A CN201711036548.1A CN201711036548A CN107882728A CN 107882728 A CN107882728 A CN 107882728A CN 201711036548 A CN201711036548 A CN 201711036548A CN 107882728 A CN107882728 A CN 107882728A
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- back pressure
- pressure oil
- pump assembly
- oilhole
- main shaft
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- 230000003434 inspiratory effect Effects 0.000 claims abstract description 72
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000446 fuel Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims 2
- 239000003921 oil Substances 0.000 description 250
- 239000012530 fluid Substances 0.000 description 33
- 239000007788 liquid Substances 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000005086 pumping Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000003276 anti-hypertensive effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- 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
- F04C18/344—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 inner member
- F04C18/3441—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 inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
-
- 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
-
- 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
- F04C29/023—Lubricant distribution through a hollow driving shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention provides a kind of rotary blade type compressor and its pump assembly.The pump assembly of the rotary blade type compressor includes main shaft (1), cylinder (2) and roller (3), the working connection (4) for axially penetrating through main shaft (1) is provided with main shaft (1), roller (3) is rotatably arranged in cylinder (2), the inner chamber of cylinder (2) is divided into inspiratory limb and exhaust section, roller (3) is circumferentially arranged multiple vane slots (6), slided in vane slot (6) and be provided with slide plate (5), slide plate (5) forms back pressure oil pocket (7) with vane slot (6) bottom, throttling oil circuit is connected with positioned at back pressure oil pocket (7) place of inspiratory limb.According to the pump assembly of the rotary blade type compressor of the present invention, it is possible to reduce rubbed between inspiratory limb slide plate head and cylinder inner wall, reduce the friction power loss during compressor operating.
Description
Technical field
The invention belongs to compressor apparatus technical field, and in particular to a kind of rotary blade type compressor and its pump assembly.
Background technology
In the process of running, slide plate afterbody needs larger pressure to rotary blade type compressor, to ensure that slide plate does not depart from cylinder.
Existing sliding blade of rotary vane type compressor afterbody is full of hydraulic oil, to ensure that slide plate does not depart from cylinder in exhaust phase.When slide plate slides
During to inspiratory limb, because slide plate head inspiratory limb is low pressure, slide plate afterbody is high pressure, is caused in inspiratory limb slide plate head and cylinder
Wall friction is larger, and friction power loss is larger during compressor operating.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to provide a kind of rotary blade type compressor and its pump assembly, can be with
Reduce and rubbed between inspiratory limb slide plate head and cylinder inner wall, reduce the friction power loss during compressor operating.
In order to solve the above problems, the present invention provides a kind of pump assembly of rotary blade type compressor, including main shaft, cylinder and
Roller, the working connection for axially penetrating through main shaft is provided with main shaft, roller is rotatably arranged in cylinder, and the inner chamber of cylinder is divided into
Inspiratory limb and exhaust section, roller is circumferentially arranged multiple vane slots, is slided in vane slot and is provided with slide plate, slide plate and vane slot
Back pressure oil pocket is formed on bottom, and throttling oil circuit is connected with the back pressure oil pocket of inspiratory limb.
Preferably, main shaft is additionally provided with the first side oilhole of the outer circumferential side that the oil of working connection is delivered to main shaft, the first side
Oilhole and pass through the oil communication that throttles between the back pressure oil pocket of inspiratory limb.
Preferably, pump assembly also includes the upper flange being set in outside main shaft, is formed between upper flange and main shaft between oil circuit
Gap, oil circuit gap form throttling oil circuit.
Preferably, pump assembly also includes the upper flange being set in outside main shaft, and broach knot is formed on the internal face of upper flange
Structure, comb structure form throttling oil circuit.
Preferably, the appearance oil groove connected with the first side oilhole is provided with the inwall of upper flange, the first side oilhole passes through appearance
Oil groove and throttling oil communication.
Preferably, the back pressure oil pocket on the end face of upper flange corresponding to inspiratory limb is provided with the first back pressure oil groove, back pressure oil
Connected when chamber turns to inspiratory limb with the first back pressure oil groove.
Preferably, the first back pressure oil groove includes the first segmental arc and the second arc set gradually along the rotation direction of roller
Section, the first segmental arc and the connection of the second segmental arc, the radial width of the first segmental arc are less than the radial width of the second segmental arc.
Preferably, pump assembly also includes the upper flange being set in outside main shaft, and main shaft is additionally provided with the oily defeated of working connection
The first side oilhole of the outer circumferential side of main shaft is delivered to, the first side oilhole is connected with the back pressure oil pocket of exhaust section, is provided with upper flange
Throttled oil circuit, and the back pressure oil pocket of exhaust section is connected by the oil circuit that throttles with the back pressure oil pocket of inspiratory limb.
Preferably, the back pressure oil pocket company of the first oilhole and the second oilhole, the second oilhole and exhaust section is provided with upper flange
Logical, the first oilhole is connected with the back pressure oil pocket of inspiratory limb, and throttle pipe is connected between the first oilhole and the second oilhole, and throttling is tubular
Into throttling oil circuit.
Preferably, axially through upper flange, throttle pipe is connected to the first oilhole and for the first oilhole and the second oilhole
The one end of two oilholes away from cylinder.
Preferably, throttle pipe is capillary；Or, choke valve is provided with throttle pipe.
Preferably, upper flange is provided with the first back pressure oil groove and the second back pressure oil towards circumferentially spaced on the end face of roller
Groove, the back pressure oil pocket that the first back pressure oil groove corresponds to inspiratory limb are set, and the second back pressure oil groove corresponds to the back pressure oil pocket of exhaust section
Set, the first oilhole is communicated to the first back pressure oil groove, and the second oilhole is communicated to the second back pressure oil groove.
Preferably, the second back pressure oil groove includes the trapped fuel section set gradually along the rotation direction of roller and suppresses oily section, deposits
The flow section sectional area of oily section is more than the flow section sectional area for suppressing oily section, and the second oilhole, which is communicated to, suppresses oily section.
Preferably, pump assembly also includes lower flange, and main shaft is additionally provided with the second side oilhole connected with working connection, and second
Side oilhole is communicated to the lateral wall of main shaft, the second side oilhole and passes through the oil circuit that throttles between the back pressure oil pocket of inspiratory limb and connects
It is logical.
According to another aspect of the present invention, there is provided a kind of rotary blade type compressor, including pump assembly, the pump assembly are
Above-mentioned pump assembly.
The pump assembly of rotary blade type compressor provided by the invention, including main shaft, cylinder and roller, axle is provided with main shaft
To the working connection through main shaft, roller is rotatably arranged in cylinder, and the inner chamber of cylinder is divided into inspiratory limb and exhaust section, roller
It is circumferentially arranged to have multiple vane slots, slided in vane slot and be provided with slide plate, slide plate forms back pressure oil pocket, position with slide plate trench bottom
Throttling oil circuit is connected with the back pressure oil pocket of inspiratory limb.The pump assembly is connected with throttling oil at the back pressure oil pocket of inspiratory limb
Road, therefore, when oil stream enters to turn in the back pressure oil pocket of inspiratory limb, it can first flow through throttling oil circuit and carry out reducing pressure by regulating flow, so as to
The oil liquid pressure being lowered into the back pressure oil pocket of inspiratory limb, the fluid in the back pressure oil pocket of inspiratory limb is reduced to inspiratory limb
Slide plate afterbody pressure applied, on the basis of ensureing that slide plate does not depart from cylinder, reduce in inspiratory limb slide plate head and cylinder
The friction power loss of wall, so as to lift the performance of compressor.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of the pump assembly of the rotary blade type compressor of the embodiment of the present invention；
Fig. 2 is the cylinder and roller fit structure schematic diagram of the pump assembly of the rotary blade type compressor of the embodiment of the present invention；
Fig. 3 is the cross section structure diagram of the upper flange of the pump assembly of first embodiment of the invention；
Fig. 4 is the present invention looks up structural representation of the upper flange of the pump assembly of first embodiment of the invention；
Fig. 5 is the dimensional structure diagram of the upper flange of the pump assembly of first embodiment of the invention；
Fig. 6 is the cross section structure diagram of the upper flange of the pump assembly of second embodiment of the invention；
Fig. 7 is the present invention looks up structural representation of the upper flange of the pump assembly of second embodiment of the invention；
Fig. 8 is the dimensional structure diagram of the upper flange of the pump assembly of second embodiment of the invention；
Fig. 9 is the cross section structure diagram of the upper flange of the pump assembly of third embodiment of the invention；
Figure 10 is the present invention looks up structural representation of the upper flange of the pump assembly of third embodiment of the invention；
Figure 11 is the dimensional structure diagram of the upper flange of the pump assembly of third embodiment of the invention；
The structural representation of the lower flange of the pump assembly of Figure 12 embodiment of the present invention.
Reference is expressed as：
1st, main shaft；2nd, cylinder；3rd, roller；4th, working connection；5th, slide plate；6th, vane slot；7th, back pressure oil pocket；8th, the first side oil
Hole；9th, upper flange；10th, oil circuit gap；11st, comb structure；12nd, oil groove is held；13rd, the first back pressure oil groove；14th, the first segmental arc；
15th, the second segmental arc；16th, the first oilhole；17th, the second oilhole；18th, throttle pipe；19th, the second back pressure oil groove；20th, trapped fuel section；21、
Suppress oily section；22nd, lower flange；23rd, the second side oilhole；24th, the 3rd back pressure oil groove；25th, the 4th back pressure oil groove；26th, straight oil groove；27、
Oil pump.
Embodiment
With reference to shown in referring to Fig. 1 to 12, according to an embodiment of the invention, the pump assembly of rotary blade type compressor include main shaft 1,
Cylinder 2 and roller 3, the working connection 4 for axially penetrating through main shaft 1 is provided with main shaft 1, roller 3 is rotatably arranged in cylinder 2,
The inner chamber of cylinder 2 is divided into inspiratory limb and exhaust section, and roller 3 is circumferentially arranged multiple vane slots 6, slides and sets in vane slot 6
There is slide plate 5, slide plate 5 forms back pressure oil pocket 7 with the bottom of vane slot 6, and throttling oil is connected with the back pressure oil pocket 7 of inspiratory limb
Road.
The pump assembly is connected with throttling oil circuit at the back pressure oil pocket 7 of inspiratory limb, therefore, when oil stream enters to turn to air-breathing
When in the back pressure oil pocket 7 of section, it can first flow through throttling oil circuit and carry out reducing pressure by regulating flow, so as to be lowered into the back pressure oil pocket of inspiratory limb
Oil liquid pressure in 7, reduce slide plate 5 afterbody pressure applied of the fluid in the back pressure oil pocket 7 of inspiratory limb to inspiratory limb, root
Segmentation Stress control is carried out to the afterbody of slide plate 5 according to the difference of the work fragment position residing for slide plate 5, the afterbody of inspiratory limb slide plate 5 is carried
For relatively low pressure, reduce slide plate 5 in the pressure difference suffered by inspiratory limb, apply power on the cylinder 2 so as to reduce the head of slide plate 5,
On the basis of ensureing that slide plate 5 does not depart from cylinder 2, the friction power loss of the head of inspiratory limb slide plate 5 and the internal face of cylinder 2 is reduced, from
And lift the performance of compressor.
During compressor operation, with the rotation of main shaft 1, slide plate 5 is stretched in the presence of centrifugal force and back pressure from vane slot 6
Go out, and contacted with the internal face of cylinder 2.With the even running of compressor, slide plate 5 starts to move reciprocatingly in vane slot 6.3
Whole moon teeth cavity is divided into 3 independent chambers by individual slide plate 5, and this 3 chambers periodically expand, reduced, so as to realize compression
The air-breathing of machine, exhaust.
In compressor motion process, slide plate 5 forms the space of a closing with vane slot 6, and we term it back pressure oil
Chamber 7, the back pressure oil pocket 7 also have three, and the amplification and diminution of property service cycle with compressor.As roller 3 rotates
The change of position, turned position of the back pressure oil pocket 7 in cylinder 2 also change, when the suction that back pressure oil pocket 7 is in cylinder 2
During gas section, the back pressure oil pocket 7 is realized with throttling oil circuit and connected, and carries out reducing pressure by regulating flow, is reduced the oil pressure in back pressure oil pocket 7, is worked as the back of the body
When pumping cavity 7 is in the exhaust section in cylinder 2, the back pressure oil pocket 7 disconnects with throttling oil circuit, and the oil pressure in back pressure oil pocket 7 is higher,
With the pressure match in discharge chamber, avoid slide plate 5 from departing under the pressure of the discharge chamber of cylinder 2 and connect with the internal face of cylinder 2
Touch, ensure the reliable and stable operation of compressor.
Oil pump 27 is housed in the bottom of the main shaft 1 of pump assembly, the oil pump 27 is immersed in compression motor spindle oil sump, main shaft 1
Rotation drives oil pump rotation, and oil pump is a kind of positive displacement pump, and in the presence of oil pump 27, oil is entered on main shaft 1 from oil sump
In working connection 4.
With reference to shown in referring to Fig. 3 to Fig. 5, according to the first embodiment of the present invention, main shaft 1 is additionally provided with working connection 4
Oil is delivered to the first side oilhole 8 of the outer circumferential side of main shaft 1, the first side oilhole 8 and passes through between the back pressure oil pocket 7 of inspiratory limb
Throttle oil communication.Fluid enters when reaching the first side oilhole 8 by working connection 4 at the first side oilhole 8 through the oil circuit that throttles
In the back pressure oil pocket 7 of inspiratory limb, because fluid is by throttling oil circuit reducing pressure by regulating flow, therefore the back pressure oil of inspiratory limb is entered
Oil liquid pressure in chamber 7 is smaller, also smaller to the pressure applied of slide plate 5, therefore can reduce head and the cylinder 2 of slide plate 5
Inwall between friction, reduce the frictional dissipation between slide plate 5 and cylinder 2.
In the present embodiment, pump assembly also includes the upper flange 9 being set in outside main shaft 1, between upper flange 9 and main shaft 1
Oil circuit gap 10 is formed, oil circuit gap 10 forms throttling oil circuit.Oil circuit gap 10, the oil circuit are formed between upper flange 9 and main shaft 1
Gap 10 is extended at the back pressure oil pocket 7 of inspiratory limb from the first side oilhole 8, so as to which the fluid after oil circuit gap 10 throttles is defeated
It is sent in the back pressure oil pocket 7, carries out fluid supplement.The oil circuit gap 10 can be the uniform strip connected in star of thickness, can also
For deep-slotted chip breaker, or other can play the interstitial structure of reducing pressure by regulating flow effect.
The oil circuit gap 10 is arranged on upper flange 9, and the side from upper flange 9 towards main shaft 1 extends to the direction of upper flange 9
On the end face of cylinder 2, so as to form continuous oil circuit gap, it is ensured that fluid is smoothly entered in back pressure oil pocket 7.When
So, the oil circuit gap 10 can be different towards formation on the end face of cylinder 2 from upper flange 9 towards the side of main shaft 1 in upper flange 9
The groove of depth, it is only necessary to can ensure to forming effective decompression into the fluid in the back pressure oil pocket 7 of inspiratory limb.According to
The degree being depressured is needed, depth of groove can be adjusted accordingly, so that the frictional dissipation of compressor is smaller, together
When compressor operation stability it is also relatively reliable.
Preferably, the appearance oil groove 12 connected with the first side oilhole 8 is provided with the inwall of upper flange 9, the first side oilhole 8 is logical
Cross appearance oil groove 12 and throttling oil communication.The appearance oil groove 12 can store to the fluid in the first side oilhole 8, so that oily
Liquid is easily flowed in back pressure oil pocket 7 through the oil circuit that throttles, while when no back pressure oil pocket 7 is with throttling oil communication, can be with
Make fluid stably be stored in hold in oil groove 12, the fluid supply of working connection 4 will not be affected greatly.
Preferably, the back pressure oil pocket 7 on the end face of upper flange 9 corresponding to inspiratory limb is provided with the first back pressure oil groove 13, carries on the back
Connected when pumping cavity 7 turns to inspiratory limb with the first back pressure oil groove 13.The rotation direction of the first back pressure oil groove 13 along roller 3
Extension, and with throttle oil communication, therefore can the back pressure oil pocket 7 positioned at inspiratory limb whole inspiratory limb always with throttling oil
Road connects, and ensures to supply fluid of the back pressure oil pocket 7 during the increase of whole inspiratory limb volume, avoids in back pressure oil pocket 7
Fluid is insufficient, improves stability and reliability during compressor operating.
In the present embodiment, the first back pressure oil groove 13 includes the first segmental arc set gradually along the rotation direction of roller 3
14 and second segmental arc 15, the first segmental arc 14 connected with the second segmental arc 15, the radial width of the first segmental arc 14 is less than the
The radial width of two segmental arcs 15.When back pressure oil pocket 7 turns to inspiratory limb, volume gradually increases, because back pressure oil pocket 7 is from row
During gas section turns to inspiratory limb, the oil pressure in back pressure oil pocket 7 is still larger, therefore, will be contacted first with back pressure oil pocket 7
The first segmental arc 14 radial width set it is smaller, it becomes possible to reduce back pressure oil pocket 7 with throttle oil circuit connection area, make
The oil circuit that must throttle can be mixed steadily supplied to the oil pressure in the first back pressure oil groove 13 with the oil pressure in back pressure oil pocket 7, Bu Huifa
Raw larger pressure oscillation.After back pressure oil pocket 7 turns an angle in inspiratory limb, oil liquid pressure in back pressure oil pocket 7 with
Oil liquid pressure in first back pressure oil groove 13 reaches balance, and because back pressure oil pocket 7 is during inspiratory limb rotates, volume increases
Greatly, therefore the second segmental arc 15 that back pressure oil pocket 7 can be made larger with radial width contacts, so as to increase to back pressure oil pocket 7
Fluid supply, ensure full oil in back pressure oil pocket 7, ensure slide plate stable operation.
Upper flange 9 is towards being additionally provided with the second back pressure oil groove 19, the first back pressure oil groove 13 and second back of the body on the end face of roller 3
End face of the pressure oil groove 19 along upper flange 9 is provided at circumferentially spaced, and the back pressure oil pocket 7 that the second back pressure oil groove 19 corresponds to exhaust section is set
Put, and the second back pressure oil groove 19 either holds oil groove 12 with the first side oilhole 8 and connected, so as to be turned in back pressure oil pocket 7
During exhaust section, the unnecessary fluid in back pressure oil pocket 7 can be emitted into by the second back pressure oil groove 19 first side oilhole 8 or
It is to hold in oil groove 12, ensures the smooth circulation of fluid.
Preferably, the second back pressure oil groove 19 includes the trapped fuel section 20 set gradually along the rotation direction of roller 3 and suppresses oil
Section 21, the flow section sectional area of trapped fuel section 20 are more than the flow section sectional area for suppressing oily section 21, are communicated to wherein suppressing oily section 21
First side oilhole 8 holds oil groove 12.For the back pressure oil pocket 7 of slide plate 5 when turning to exhaust section, the volume of back pressure oil pocket 7 is gradual
Reduce, the fluid in back pressure oil pocket 7 is forced out, and is entered from oily section 21 is suppressed in the first side oilhole 8 or appearance oil groove 12, due to suppressing
The flow section sectional area of oily section 21 is less than the flow section sectional area of trapped fuel section 20, therefore the fluid in back pressure oil pocket 7 can not
The first side oilhole 8 is expelled in time or is held in oil groove 12, can increase the oil liquid pressure in back pressure oil pocket 7.Due to being vented rank
Section slide plate head can be by the pressure at expulsion of slightly above exhaust back pressure, therefore now the pressure of slide plate afterbody needs to be more than or equal to row
Atmospheric pressure is just avoided that slide plate departs from cylinder, and the effect for suppressing oil can be played by suppressing oily section 21, therefore can improve back pressure oil pocket 7
Interior back pressure, while the oil in vane slot 6 is discharged in the appearance oil groove 12 of upper flange 9 by suppressing the oilhole in oily section 21, herein
During, due to maintaining larger oil pressure in back pressure oil pocket 7, therefore it can ensure that the pressure of slide plate afterbody is more than or equal to exhaust
Pressure, slide plate 5 is effectively avoided to depart from cylinder 2.
On the one hand the above-mentioned pump assembly of the present invention can ensure back pressure while Discrete control vane slot back pressure is ensured
The fuel feeding of groove, it on the other hand can also reduce influence of the compression exhaust section vane slot back pressure to inspiratory limb vane slot back pressure.
With reference to shown in referring to Fig. 6 to Fig. 8, according to the second embodiment of the present invention, it is essentially identical with first embodiment, no
It is with part, in the present embodiment, pump assembly also includes the upper flange 9 being set in outside main shaft 1, the internal face of upper flange 9
Upper formation comb structure 11, comb structure 11 form throttling oil circuit.Because pump assembly forms on the internal face of upper flange 9
Can be as the comb structure 11 of throttling oil circuit, therefore the oil circuit gap in first embodiment can be saved, pass through comb structure
11 broach carries out reducing pressure by regulating flow to the fluid entered in the first back pressure oil groove 13, ensures to enter the back pressure oil pocket 7 of inspiratory limb
Interior oil pressure is less than the oil pressure in the first side oilhole 8.
With reference to shown in referring to Fig. 9 to Figure 11, according to the third embodiment of the invention, pump assembly also includes being set in main shaft
Upper flange 9 outside 1, main shaft 1 are additionally provided with the first side oilhole 8 of the outer circumferential side that the oil of working connection 4 is delivered to main shaft 1, and first
Side oilhole 8 is connected with the back pressure oil pocket 7 of exhaust section, and throttling oil circuit is provided with upper flange 9, and the back pressure oil pocket 7 of exhaust section passes through
Throttling oil circuit connects with the back pressure oil pocket 7 of inspiratory limb.In the present embodiment, the oil circuit gap in first embodiment is eliminated, directly
Connect the fluid discharged in the back pressure oil pocket 7 using exhaust section and carry out the back pressure oil pocket 7 that reducing pressure by regulating flow is drained into inspiratory limb afterwards
It is interior, repairing is carried out to the back pressure oil pocket 7 of inspiratory limb, therefore, in the back pressure oil pocket 7 and the back of the body of inspiratory limb of exhaust section in the present embodiment
Throttling oil circuit is provided between pumping cavity 7, so as to be depressured to the fluid that inspiratory limb is discharged into through exhaust section so that enter suction
Oil pressure in the back pressure oil pocket 7 of gas section is less than the oil pressure in the back pressure oil pocket 7 of exhaust section, reduces in the back pressure oil pocket 7 of inspiratory limb
Oil pressure to the pressure of slide plate 5, while make it that fluid is more fully utilized.
Preferably, the first oilhole 16 and the second oilhole 17, the back pressure of the second oilhole 17 and exhaust section are provided with upper flange 9
Oil pocket 7 connects, and the first oilhole 16 connects with the back pressure oil pocket 7 of inspiratory limb, is connected between the first oilhole 16 and the second oilhole 17
Throttle pipe 18, throttle pipe 18 form throttling oil circuit.After fluid is extruded out of exhaust section back pressure oil pocket 7, in the effect of pressure difference
Lower entered through the second oilhole 17 carries out reducing pressure by regulating flow in throttle pipe 18, enter the back of the body of inspiratory limb by the first oilhole 16 afterwards
In pumping cavity 7, repairing is carried out to the back pressure oil pocket 7 of inspiratory limb.
In the present embodiment, the first oilhole 16 and the second oilhole 17 are connected to axially through upper flange 9, throttle pipe 18
First oilhole 16 and second one end of oilhole 17 away from cylinder 2.The throttle pipe 18 is located in the housing of compressor, due to upper flange
9 upper end is larger cavity, therefore the structure of throttle pipe 18 can be transformed as needed, and transformation space is bigger,
It can realize that more kinds of oil pressure regulations require.
Preferably, throttle pipe 18 is capillary；Or, choke valve is provided with throttle pipe 18, so as to ensure that throttle pipe 18 is right
The antihypertensive effect of fluid.
Preferably, upper flange 9 is provided with the first back pressure oil groove 13 and second back of the body towards circumferentially spaced on the end face of roller 3
Pressure oil groove 19, the back pressure oil pocket 7 that the first back pressure oil groove 13 corresponds to inspiratory limb are set, and the second back pressure oil groove 19 corresponds to exhaust section
Back pressure oil pocket 7 set, the first oilhole 16 is communicated to the first back pressure oil groove 13, and the second oilhole 17 is communicated to the second back pressure oil groove
19。
Preferably, the second back pressure oil groove 19 includes the trapped fuel section 20 set gradually along the rotation direction of roller 3 and suppresses oil
Section 21, the radial width of trapped fuel section 20 are more than the radial width for suppressing oily section 21, and the second oilhole 17, which is communicated to, suppresses oily section 21.Work as back pressure
When oil pocket 7 reaches exhaust section, the volume of back pressure oil pocket 7 is gradually reduced, the oil liquid pressure rise in it, effect of the fluid in pressure difference
Under enter in the second back pressure oil groove 19 and store, when the fluid discharge in back pressure oil pocket 7 is more, oil liquid pressure further adds
Greatly, the oily section 21 of suppressing of rotation end of the part fluid through the second back pressure oil groove 19 is entered in the second oilhole 17, due to suppressing oily section
Radial width be much smaller than the radial width of trapped fuel section 20, therefore fluid can not be discharged from suppressing oily section 21 in time so that second back of the body
Oil pressure in pressure oil groove 19 may remain in elevated pressures, avoid slide plate 5 from being disengaged with cylinder 2, simultaneously as the second back pressure
Oil pressure in oil groove 19 is higher, therefore part fluid enters the second oilhole 17, Ran Houyi from suppressing oily section 21 under pressure
It is secondary to be entered through the oilhole 16 of throttle pipe 18 and first in the first back pressure oil groove 13, when the back pressure oil pocket 7 turns to inspiratory limb, the back of the body
The volume of pumping cavity 7 is gradually reduced, and the less fluid of pressure in the first back pressure oil groove 13 is entered in the back pressure oil pocket 7, right
Fluid in back pressure oil pocket 7 is supplemented, and is ensured full oil in the back pressure oil pocket 7 of inspiratory limb, is improved stabilization when slide plate 5 works
Property.
With reference to shown in Figure 12, it is preferable that pump assembly also includes lower flange 22, and main shaft 1 is additionally provided with and working connection 4
Second side oilhole 23 of connection, the second side oilhole 23 are communicated to the lateral wall of main shaft 1, and the second side oilhole 23 is with being located at inspiratory limb
Pass through the oil communication that throttles between back pressure oil pocket 7.Pump assembly can also carry out the back pressure oil pocket 7 of inspiratory limb by lower flange 22
The decompression of interior fluid supplements, and the reducing pressure by regulating flow structure on lower flange 22 can use and first embodiment and second embodiment phase
With structure realize.
3rd back pressure oil groove 24 and the 4th back pressure oil groove 25 can be set on the upper surface of lower flange 22, wherein the 3rd back of the body
The back pressure oil pocket 7 of the corresponding inspiratory limb of pressure oil groove 24 is set, and the back pressure oil pocket 7 of the corresponding exhaust section of the 4th back pressure oil groove 25 is set.
The central hole of lower flange is additionally provided with straight oil groove 26, and fluid is entered at the second side oilhole 23 in straight oil groove 26, to laxative remedy
Blue bearing is lubricated.
According to an embodiment of the invention, rotary blade type compressor includes pump assembly, and the pump assembly is above-mentioned pump housing group
Part.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.With
Only it is the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not
On the premise of departing from the technology of the present invention principle, some improvement and modification can also be made, these improvement and modification also should be regarded as this
The protection domain of invention.
Claims (15)
1. a kind of pump assembly of rotary blade type compressor, it is characterised in that described including main shaft (1), cylinder (2) and roller (3)
The working connection (4) for axially penetrating through the main shaft (1) is provided with main shaft (1), the roller (3) is rotatably arranged in the gas
In cylinder (2), the inner chamber of the cylinder (2) is divided into inspiratory limb and exhaust section, and the roller (3) is circumferentially arranged multiple vane slots
(6), slided in the vane slot (6) and be provided with slide plate (5), the slide plate (5) forms back pressure oil with the vane slot (6) bottom
Chamber (7), throttling oil circuit is connected with positioned at back pressure oil pocket (7) place of inspiratory limb.
2. pump assembly according to claim 1, it is characterised in that the main shaft (1) is additionally provided with the working connection
(4) oil is delivered to the first side oilhole (8) of the outer circumferential side of the main shaft (1), and first side oilhole (8) is with being located at inspiratory limb
The back pressure oil pocket (7) between pass through the throttling oil communication.
3. pump assembly according to claim 2, it is characterised in that the pump assembly also includes being set in the main shaft
(1) upper flange (9) outside, oil circuit gap (10) are formed between the upper flange (9) and the main shaft (1), the oil circuit gap
(10) the throttling oil circuit is formed.
4. pump assembly according to claim 2, it is characterised in that the pump assembly also includes being set in the main shaft
(1) upper flange (9) outside, forms comb structure (11) on the internal face of the upper flange (9), and the comb structure (11) is formed
The throttling oil circuit.
5. the pump assembly according to claim 3 or 4, it is characterised in that be provided with the inwall of the upper flange (9) with
The appearance oil groove (12) of first side oilhole (8) connection, first side oilhole (8) pass through the appearance oil groove (12) and the section
Flow oil communication.
6. the pump assembly according to claim 3 or 4, it is characterised in that correspond on the end face of the upper flange (9) and inhale
The back pressure oil pocket (7) of gas section is provided with the first back pressure oil groove (13), when the back pressure oil pocket (7) turns to inspiratory limb and institute
State the connection of the first back pressure oil groove (13).
7. pump assembly according to claim 6, it is characterised in that the first back pressure oil groove (13) is included along the rolling
The first segmental arc (14) and the second segmental arc (15) that the rotation direction of sub (3) is set gradually, first segmental arc (14) and
Second segmental arc (15) connection, the radial width of first segmental arc (14) are less than the footpath of second segmental arc (15)
To width.
8. pump assembly according to claim 1, it is characterised in that the pump assembly also includes being set in the main shaft
(1) upper flange (9) outside, the main shaft (1) is additionally provided with is delivered to the outer of the main shaft (1) by the oil of the working connection (4)
First side oilhole (8) of the week side of boss, first side oilhole (8) connect with the back pressure oil pocket (7) of exhaust section, the upper flange
(9) the throttling oil circuit is provided with, the back pressure oil pocket (7) of exhaust section passes through described in the throttling oil circuit and inspiratory limb
Back pressure oil pocket (7) connects.
9. pump assembly according to claim 8, it is characterised in that be provided with the first oilhole on the upper flange (9)
(16) connected with the second oilhole (17), second oilhole (17) with the back pressure oil pocket (7) of exhaust section, first oilhole
(16) connect with the back pressure oil pocket (7) of inspiratory limb, connected between first oilhole (16) and second oilhole (17)
There is throttle pipe (18), the throttle pipe (18) forms the throttling oil circuit.
10. pump assembly according to claim 9, it is characterised in that first oilhole (16) and second oilhole
(17) first oilhole (16) and described second are connected to axially through the upper flange (9), the throttle pipe (18)
The one end of oilhole (17) away from the cylinder (2).
11. pump assembly according to claim 9, it is characterised in that the throttle pipe (18) is capillary；It is or, described
Throttle pipe is provided with choke valve on (18).
12. the pump assembly according to any one of claim 9 to 11, it is characterised in that the upper flange (9) is towards institute
State it is circumferentially spaced on the end face of roller (3) be provided with the first back pressure oil groove (13) and the second back pressure oil groove (19), described first
The back pressure oil pocket (7) that back pressure oil groove (13) corresponds to inspiratory limb is set, and the second back pressure oil groove (19) corresponds to exhaust
The back pressure oil pocket (7) of section is set, and first oilhole (16) is communicated to the first back pressure oil groove (13), second oil
Hole (17) is communicated to the second back pressure oil groove (19).
13. pump assembly according to claim 12, it is characterised in that the second back pressure oil groove (19) is included along rolling
The trapped fuel section (20) and suppress oily section (21) that the rotation direction of sub (3) is set gradually, the flow section section of the trapped fuel section (20)
Product is more than the flow section sectional area for suppressing oily section (21), and second oilhole (17), which is communicated to, described suppresses oily section (21).
14. according to the pump assembly any one of Claims 1-4,7 to 11,13, it is characterised in that the pump housing group
Part also includes lower flange (22), and the main shaft (1) is additionally provided with the second side oilhole (23) connected with the working connection (4), institute
State the lateral wall that the second side oilhole (23) is communicated to the main shaft (1), second side oilhole (23) and the institute positioned at inspiratory limb
State between back pressure oil pocket (7) by the throttling oil communication.
15. a kind of rotary blade type compressor, including pump assembly, it is characterised in that the pump assembly is in claim 1 to 14
Pump assembly described in any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711036548.1A CN107882728B (en) | 2017-10-30 | 2017-10-30 | Rotary vane compressor and pump body assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711036548.1A CN107882728B (en) | 2017-10-30 | 2017-10-30 | Rotary vane compressor and pump body assembly thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN107882728A true CN107882728A (en) | 2018-04-06 |
| CN107882728B CN107882728B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711036548.1A Active CN107882728B (en) | 2017-10-30 | 2017-10-30 | Rotary vane compressor and pump body assembly thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843570A (en) * | 2018-08-17 | 2018-11-20 | 珠海格力电器股份有限公司 | Compressor and air conditioner with it |
| CN109026695A (en) * | 2018-09-25 | 2018-12-18 | 珠海格力电器股份有限公司 | Pump assembly and rotary blade type compressor |
| WO2020052418A1 (en) * | 2018-09-12 | 2020-03-19 | 珠海格力电器股份有限公司 | Pump body assembly and compressor having same |
| CN111065824A (en) * | 2018-08-16 | 2020-04-24 | Lg电子株式会社 | Rotary compressor |
| CN111794963A (en) * | 2020-06-29 | 2020-10-20 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor and air conditioner |
| CN111794964A (en) * | 2020-06-29 | 2020-10-20 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor and air conditioner |
| CN111963434A (en) * | 2020-07-24 | 2020-11-20 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor and air conditioner |
| CN113323875A (en) * | 2021-05-20 | 2021-08-31 | 重庆建设车用空调器有限责任公司 | Rotary gas compressor |
| US11300122B2 (en) * | 2019-01-11 | 2022-04-12 | Lg Electronics Inc. | Vane rotary compressor |
| US11898562B2 (en) | 2019-02-27 | 2024-02-13 | Gree Electric Appliances, Inc. Of Zhuhai | Pumping assembly, compressor and air conditioning equipment |
| US11971032B2 (en) * | 2019-02-28 | 2024-04-30 | Lg Electronics Inc. | Vane rotary compressor with pressure reducing member inserted into the oil supply passage |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144680A (en) * | 1995-11-24 | 1997-06-03 | Hitachi Ltd | Rotary compressor, and refrigerator and refrigerating air-conditioning using the same |
| JP2002048080A (en) * | 2000-08-07 | 2002-02-15 | Seiko Instruments Inc | Gas compressor |
| JP2014125962A (en) * | 2012-12-26 | 2014-07-07 | Calsonic Kansei Corp | Gas compressor |
| CN105402125A (en) * | 2015-11-13 | 2016-03-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Slide vane compressor |
| CN106704184A (en) * | 2015-08-18 | 2017-05-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, compressor and heat exchange system |
| CN207500118U (en) * | 2017-10-30 | 2018-06-15 | 珠海格力电器股份有限公司 | Rotary blade type compressor and its pump assembly |
-
2017
- 2017-10-30 CN CN201711036548.1A patent/CN107882728B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144680A (en) * | 1995-11-24 | 1997-06-03 | Hitachi Ltd | Rotary compressor, and refrigerator and refrigerating air-conditioning using the same |
| JP2002048080A (en) * | 2000-08-07 | 2002-02-15 | Seiko Instruments Inc | Gas compressor |
| JP2014125962A (en) * | 2012-12-26 | 2014-07-07 | Calsonic Kansei Corp | Gas compressor |
| CN106704184A (en) * | 2015-08-18 | 2017-05-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly, compressor and heat exchange system |
| CN105402125A (en) * | 2015-11-13 | 2016-03-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Slide vane compressor |
| CN207500118U (en) * | 2017-10-30 | 2018-06-15 | 珠海格力电器股份有限公司 | Rotary blade type compressor and its pump assembly |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111065824B (en) * | 2018-08-16 | 2022-07-26 | Lg电子株式会社 | Rotary compressor |
| CN111065824A (en) * | 2018-08-16 | 2020-04-24 | Lg电子株式会社 | Rotary compressor |
| WO2020034511A1 (en) * | 2018-08-17 | 2020-02-20 | 珠海格力电器股份有限公司 | Compressor and air conditioner having same |
| CN108843570B (en) * | 2018-08-17 | 2023-08-25 | 珠海格力电器股份有限公司 | Compressor and air conditioner with same |
| CN108843570A (en) * | 2018-08-17 | 2018-11-20 | 珠海格力电器股份有限公司 | Compressor and air conditioner with it |
| US11519270B2 (en) | 2018-09-12 | 2022-12-06 | Gree Electric Appliances, Inc. Of Zhuhai | Oil supply to the back pressure groove of a vane pump |
| WO2020052418A1 (en) * | 2018-09-12 | 2020-03-19 | 珠海格力电器股份有限公司 | Pump body assembly and compressor having same |
| CN109026695A (en) * | 2018-09-25 | 2018-12-18 | 珠海格力电器股份有限公司 | Pump assembly and rotary blade type compressor |
| CN109026695B (en) * | 2018-09-25 | 2023-08-11 | 珠海格力电器股份有限公司 | Pump body assembly and rotary vane compressor |
| US11300122B2 (en) * | 2019-01-11 | 2022-04-12 | Lg Electronics Inc. | Vane rotary compressor |
| US11898562B2 (en) | 2019-02-27 | 2024-02-13 | Gree Electric Appliances, Inc. Of Zhuhai | Pumping assembly, compressor and air conditioning equipment |
| US11971032B2 (en) * | 2019-02-28 | 2024-04-30 | Lg Electronics Inc. | Vane rotary compressor with pressure reducing member inserted into the oil supply passage |
| CN111794964A (en) * | 2020-06-29 | 2020-10-20 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor and air conditioner |
| CN111794963A (en) * | 2020-06-29 | 2020-10-20 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor and air conditioner |
| CN111794963B (en) * | 2020-06-29 | 2021-07-20 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor and air conditioner |
| CN111963434A (en) * | 2020-07-24 | 2020-11-20 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor and air conditioner |
| CN111963434B (en) * | 2020-07-24 | 2021-04-27 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor and air conditioner |
| CN113323875A (en) * | 2021-05-20 | 2021-08-31 | 重庆建设车用空调器有限责任公司 | Rotary gas compressor |
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