CN106122024B - A kind of rotor-type compressor - Google Patents
A kind of rotor-type compressor Download PDFInfo
- Publication number
- CN106122024B CN106122024B CN201610640408.4A CN201610640408A CN106122024B CN 106122024 B CN106122024 B CN 106122024B CN 201610640408 A CN201610640408 A CN 201610640408A CN 106122024 B CN106122024 B CN 106122024B
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- Prior art keywords
- oil
- shell
- pressing plate
- bent axle
- rotor
- Prior art date
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- 238000003825 pressing Methods 0.000 claims description 65
- 239000000446 fuel Substances 0.000 claims description 32
- 238000003466 welding Methods 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 210000003734 kidney Anatomy 0.000 claims description 4
- 239000008141 laxative Substances 0.000 claims description 2
- 230000002475 laxative effect Effects 0.000 claims description 2
- 235000015927 pasta Nutrition 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005461 lubrication Methods 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 10
- 238000003756 stirring Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 138
- 239000010687 lubricating oil Substances 0.000 description 31
- 239000012530 fluid Substances 0.000 description 15
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000010725 compressor oil Substances 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
- 230000009467 reduction Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000003642 hunger Nutrition 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000037351 starvation Effects 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- 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
- F04C29/028—Means for improving or restricting lubricant flow
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention provides a kind of rotor-type compressor, it includes bent axle (1), lower flange (2), cylinder (3) and shell (4), and it is set to the oil sump (5) of the shell (4) interior bottom portion, wherein it is additionally provided with oil baffle structure between the lower flange (2) and the bottom of the shell (4), radially direction extends close to the position of the shell (4) side wall to the oil baffle structure from the axial centerline of the bent axle (1).Above-mentioned oil baffle structure is set between lower flange and the bottom of shell through the invention, can effectively stop oil at the inner walls due to bent axle rotates drive the centrifugal action generated and cause the position oil level to rise, to effectively prevent the center pasta caused by the centrifugal action excessively recessed, so that center pasta drops too low under being unlikely to, ensure that bent axle can therefrom be drawn onto oil always, overcomes the technical issues of compressor lubrication sealing cooling effect declines caused by bent axle short axle stirs oil.
Description
Technical field
The invention belongs to Compressor Technology fields, and in particular to a kind of rotor-type compressor.
Background technology
In the prior art, the fuel sucking pipe of compressor start, crankshaft high-speed rotation, bent axle short axle and its connection stretches into oil sump portion
Divide and oil is stirred, lubricating oil is under the influence of centrifugal force, recessed close to the fluid position of bent axle rotation center, close to the fluid of shell
Position rises, and bent axle oil suction is difficult, reduces lubricant effect.The length of limitation bent axle short axle can reduce the agitation to oil, but it is connected
Fuel sucking pipe still have and disturb oily problem, cause fluid position unstable, center pasta is excessively recessed.
The patent of Patent No. 201020695491.3 provides a kind of rotor compressor and is protected with short axle in the prior art
Cover, this rotor compressor using short axle protective cover can prevent bent axle short axle from stirring oil, reduce bent axle rotation to compressor bottom
The disturbance of portion's oil sump.But it still cannot be fully solved bent axle short axle and stir the problem that oil disturbs oil, still can have fluid position not
Steadily, center pasta is excessively recessed, leads to difficult bent axle oil suction, reduction lubrication and sealing function；And since high pressure gas is easy
It is in contact with the lubricating oil in the oil sump of bottom so that lubricating oil is taken away by high pressure gas, increase heat exchanged thermoresistance reduces heat-exchange performance
Can, while also leading to sealing, the reduction of greasy property so that the occurrence of compressor assembly oil starvation, reducing the operation of system
Performance.
Cause under compressor lubrication sealing function since rotor-type compressor in the prior art stirs oil there are bent axle short axle
The technical problems such as drop, therefore research and design of the present invention goes out a kind of rotor-type compressor.
Invention content
Therefore, the technical problem to be solved in the present invention is to overcome rotor-type compressor in the prior art close in the presence of lubricating
The defect that cooling effect declines is sealed, to provide a kind of rotor-type compressor.
The present invention provides a kind of rotor-type compressor comprising bent axle, lower flange, cylinder and shell, and it is set to institute
The oil sump of enclosure interior bottom is stated, wherein oil baffle structure is additionally provided between the lower flange and the bottom of the shell, institute
Stating oil baffle structure, radially direction extends close to the position of the housing sidewall from the axial centerline of the bent axle.
Preferably, the oil baffle structure is cylindric or circular cone shape pressing plate.
Preferably, the bottom end of the bent axle is also associated with fuel sucking pipe, by the free end of the fuel sucking pipe from the oil sump
The position between the lower flange and the free end of the fuel sucking pipe is arranged in oil suction, the pressing plate.
Preferably, position is provided with centre bore to the pressing plate along central axis perforation in its center, wherein the centre bore
Aperture be more than the fuel sucking pipe caliber.
Preferably, it there also is provided outward positioned at the center bore on the pressing plate multiple along the central axis side
To the oil return hole of perforation.
Preferably, the oil return hole is circular hole, kidney slot or profiled holes.
Preferably, when the oil return hole be circular hole when, be located at the pressing plate on outermost radial outside oil return hole with it is described in
The sum of centre-to-centre spacing a and radius r of the oil return hole between heart hole is not more than 0.8 times of the radius of the pressing plate.
Preferably, the middle position of the pressing plate is with recessed towards the direction of shell bottom end so that is formed at this location
First plane is forming the second plane at inner walls, and is passing through arc between first plane and second plane
Shape transition face connects.
Preferably, the distance between first plane and second planeω is compressor maximum angular
Frequency, r are shell inside radius, and g is acceleration of gravity, and the oil return hole is arranged in first plane.
Preferably, the oil baffle structure is fixed on the housing by welding, or the side being connected through a screw thread
Formula is fixed on the cylinder.
A kind of rotor-type compressor provided by the invention has the advantages that：
1. the rotor-type compressor of the present invention by the way that oil baffle structure is arranged between lower flange and the bottom of shell, and is kept off
From the axial centerline of the bent axle, radially direction extends close to the position of the housing sidewall, to stop oily structure
To the lower flange, blocking is located in housing bottom oil sump at housing sidewall oil stream in oil sump at housing sidewall
Oil drives the centrifugal action generated since bent axle rotates and the oil level of the position is caused to rise, then effectively prevent because of the centrifugation
Center pasta is excessively recessed caused by effect, so that center pasta drops too low under being unlikely to, ensures that bent axle can begin
It is therefrom drawn onto oil eventually, the technology that the effects that compressor lubrication sealing is cooling caused by bent axle short axle stirs oil declines is overcome and asks
Topic.
2. the rotor-type compressor of the present invention can reduce high pressure gas and bottom oil sump simultaneously by the installation of above-mentioned pressing plate
The contact of lubricating oil reduces the oil content of high pressure gas, reduces oil recycle ratio, improves the performance of system.
3. the rotor-type compressor of the present invention, by connecting fuel sucking pipe in bent axle bottom end and pressing plate being arranged in lower flange
Position between the free end of fuel sucking pipe enables to fuel sucking pipe free end to be located at the lower section of pressing plate, thus will not be because of pressure
The setting of plate and hamper normal oil suction of the bent axle by fuel sucking pipe, ensure that compressor lubrication and sealing be normally carried out；
It, can will be through by the way that the structure type of multiple oil return holes is arranged on pressing plate 4. the rotor-type compressor of the present invention
Lubricating oil after supercooling, lubrication and sealing is back in oil sump, completes the effect of reflux；
5. the rotor-type compressor of the present invention, by being set as the oil return hole of outermost radial outside on pressing plate to make itself and center
The sum of the centre-to-centre spacing a in hole and the radius r of the oil return hole are not more than 0.8 times of the radius of pressing plate, can effectively control return port
System prevents lubricating oil from being flowed upwards out from bottom oil sump along the marginal position, avoids reducing at the position not close to platen edge
Fluid position, the generation for being unfavorable for the case where oil suction.
Description of the drawings
Fig. 1 is the internal structure sectional view of the compressor of the present invention；
Fig. 2 is the enlarged structure schematic diagram of the pressing plate in Fig. 1；
Fig. 3 is the vertical view of the pressing plate in Fig. 2；
Fig. 4 is the internal structure sectional view of another embodiment of the present invention；
Fig. 5 is the enlarged structure schematic diagram of the pressing plate in Fig. 4；
Fig. 6 is the vertical view of the pressing plate in Fig. 4.
Reference numeral is expressed as in figure：
1-bent axle, 2-lower flanges, 3-cylinders, 31-upper cylinders, 32-lower cylinders, 4-shells, 5-oil sumps, 6-pressures
Plate, 61-centre bores, 62-oil return holes, the 63-the first plane, the 64-the second plane, 65-arc transiting surfaces, 7-fuel sucking pipes,
8-rotors, 9-stators, 10-upper flanges, 11-partition boards.
Specific implementation mode
As shown in Figs. 1-3, the present invention provides a kind of rotor-type compressor comprising bent axle 1, lower flange 2, cylinder 3 (including
Upper cylinder 31 and lower cylinder 32) and shell 4, and it is set to the oil sump 5 of 4 interior bottom portion of the shell, wherein in the laxative remedy
It is additionally provided with oil baffle structure between orchid 2 and the bottom of the shell 4, the oil baffle structure is from the central axis position of the bent axle 1
Set the position that radially direction extends close to 4 side wall of the shell.
The rotor-type compressor of the present invention by the way that oil baffle structure is arranged between lower flange and the bottom of shell, and keeps off oil
From the axial centerline of the bent axle, radially direction extends close to the position of the housing sidewall, to stop oil structure
For oil stream in pond at housing sidewall to the lower flange, blocking is located at the oil at inner walls in housing bottom oil sump
Cause the oil level of the position to rise due to the centrifugal action that bent axle rotation drive generates, then effectively prevent making because of the centrifugation
Center pasta is excessively recessed caused by, so that center pasta drops too low under being unlikely to, ensures that bent axle can be always
It is therefrom drawn onto oil, the technology that the effects that compressor lubrication sealing is cooling caused by bent axle short axle stirs oil declines is overcome and asks
Topic；
The rotor-type compressor of the present invention can reduce high pressure gas by the installation of above-mentioned pressing plate and moisten with bottom oil sump simultaneously
The contact of lubricating oil reduces the oil content of high pressure gas, reduces oil recycle ratio, improves the performance of system.
Preferably, the oil baffle structure is cylindric or circular cone shape pressing plate 6.This is the concrete structure shape of oil baffle structure
Shape can effectively coordinate the shell of cylindrical tube shape by using cylindric or circular cone shape pressure plate structure, by its phase
It is matchingly fit into the shell.
Preferably, the bottom end of the bent axle 1 is also associated with fuel sucking pipe 7, by the free end of the fuel sucking pipe 7 from the oil sump
Oil suction in 5, at this time the pressing plate 6 position between the lower flange 2 and the free end of the fuel sucking pipe 7 is set.In this way
Set-up mode can effectively ensure that the free end of fuel sucking pipe is located at the lower section of pressing plate, will not be interfered because of the setting of pressing plate
Normal oil suction of the bent axle by fuel sucking pipe, ensure that can be by fuel sucking pipe be successfully drawn onto oil from oil sump to compressor
The effect that is lubricated, seals and cools down of each component.
Preferably, position is provided with centre bore 61 to the pressing plate 6 along central axis perforation in its center, wherein the center
The aperture in hole 61 is more than the caliber of the fuel sucking pipe 7, by the way that centre bore is arranged in pressing plate center and makes centre bore
Aperture is more than the caliber of fuel sucking pipe, can effectively ensure that fuel sucking pipe is passed through from centre bore, and then realize and inhaled from oil sump
To lubricating oil and it is delivered to the advantageous effect in bent axle.
It is further preferred that the outer diameter of the pressing plate 6 is smaller than the internal diameter of the shell 4.It can ensure that pressing plate can in this way
It successfully installs into enclosure interior.
Preferably, it there also is provided positioned at 61 radial outside of the centre bore on the pressing plate 6 multiple along the central shaft
The oil return hole 62 (as Figure 2-3) of line direction perforation can be incited somebody to action by the way that the structure type of multiple oil return holes is arranged on pressing plate
Lubricating oil after supercooling, lubrication and sealing is back in oil sump, completes the effect of reflux.
Preferably, the oil return hole 62 is circular hole, kidney slot or profiled holes (profiled holes, that is, irregular hole).This is oil return
Specific preferred several structure types in hole, but the shape of oil return hole is not specially required.
Preferably, when the oil return hole 62 is circular hole, it is located at the oil return hole 62 of outermost radial outside and institute on the pressing plate 6
State the sum of radius r of centre-to-centre spacing a and the oil return hole 62 between centre bore 61 (such as no more than 0.8 times of radius of the pressing plate 6
Shown in Fig. 2).If oil return hole is positioned close at platen edge, lubricating oil is easy to reversely flow out from the oil sump of bottom, reduces
Compressor oil liquid level is unfavorable for oil suction, therefore relationship is arranged by above-mentioned position and can be efficiently controlled in return port not
At the position of platen edge, prevent lubricating oil from being flowed upwards out from bottom oil sump along the marginal position, avoid reducing fluid position,
The generation for the case where being unfavorable for oil suction.
As Figure 4-Figure 6, it is preferable that the middle position of the pressing plate 6 is with recessed towards the direction of shell bottom end so that
Form the first plane 63 at the position, forming the second plane 64 at shell 4 inner wall, and first plane 63 with it is described
Connected by arc transiting surface 65 between second plane 64.When the pressing plate 6 is circular cone shape structure comprising the first bottom surface
End 63 and second bottom end 64, this is the distressed structure and embodiment of the pressing plate of the present invention, i.e., in medium position to lower recess,
Enable to close housing parts height low close to bent axle part in this way, effect is easy for the lubricating oil after separation along radian edge stream
To medial recess position and then compression motor spindle oil sump is passed back into, the installation position of oil return hole is same (close to pressing plate center position)
When be avoided that close to shell side rise lubricating oil reversely flowed out from oil sump.
Further, the distance between lower planes (the first plane and the second plane) H should not be too large, preferablyω is compressor maximum angular frequency, and r is shell inside radius, and g is acceleration of gravity, just be can guarantee successfully therefrom
The oil suction of portion position, otherwise center pasta is too low, and it is steady to be unfavorable for fluid position, and oil suction is difficult.
Preferably, the oil return hole 62 is arranged in first plane 63.The profit that can will be fallen above pressing plate in this way
Lubricating oil is back to along arc transiting surface in the first plane, is collected in this first plane, is yet further passed back into compression
The central position of the oil sump of motor spindle effectively further ensures the height for improving middle part oil level, enhances the reliable of oil return
Property.
Preferably, the oil baffle structure is fixed on by welding on the shell 4, or the side being connected through a screw thread
Formula is fixed on the cylinder 3.This is the specific preferred fixed installation mode of the oil baffle structure of the present invention.
Operation principle and preferred embodiment of the invention is described below
In the prior art since 1, bent axle short axle and its fuel sucking pipe of connection are to compression motor spindle oil sump lubricating oil agitation, profit
Under the action of the centrifugal force, pasta is unstable for lubricating oil, and center oil liquid level is too low, and oil absorption in fuel sucking pipe is caused to reduce.
2, lubricating oil comes into full contact under agitaion with the high pressure gas in shell, the lubricants capacity of compressor discharge
Increase, oil recycle ratio rises.
Therefore, the present invention on the downside of rotor-type compressor lower flange be arranged pressing plate by way of (as shown in Figs. 1-3), such as
Fig. 1 show the present invention dual-rotator compressor, mainly include rotor 8, stator 9, upper flange 10, upper cylinder 31, partition board 11,
The parts such as lower cylinder 32, lower flange 2, the compressor further include cylindric pressing plate 6, and pressing plate is fixed by welding on shell.
When compressor operating, the pasta for being pressed into close crankshaft center under pressing plate function close to the lubricating oil of shell is recessed
Place, raised center fluid position, steady oil sump fluid position, the center pasta of preventing is excessively recessed, ensure that the oil absorption of fuel sucking pipe, inhales
The lubricating oil entered carries out good sealing and lubrication along the upward fuel feeding of bent axle longitudinal direction oilhole, to compressor pump structure.Pressing plate
Installation can reduce the contact of high pressure gas and bottom oil sump lubricating oil simultaneously, reduce the oil content of high pressure gas, reduction oil follows
Ring rate improves the performance of system.
1, this is a kind of rotor-type compressor using pressing plate, and pressing plate is located on the downside of lower flange, while being located at bent axle short axle
Where the oil-sucking hole of the fuel sucking pipe of connection more than plane.
2, fixed form is to be fixed by welding on shell, or be connected by screw and be fixed on cylinder.
3, pressing plate is cylindric tablet or other circular cone shape structures, and circular cone shape pressing plate lower planes distance should not mistake
Greatly, otherwise center pasta is too low, and it is steady to be unfavorable for fluid position, and oil suction is difficult.
4, pressing plate centre bore diameter is slightly larger than oil suction pipe outside diameter, and pressing plate outer diameter is more slightly smaller than housing inner diameter.
5, oil return hole (as Figure 2-3) is arranged on pressing plate, ensures that the lubricating oil after separation falls back to compression motor spindle oil
Pond, oil return hole are positioned close to pressing plate center position, meet outermost oil return hole to the centre-to-centre spacing a of pressing plate centre bore and oil return
The sum of pore radius r is not more than 0.8 times (as shown in Figure 2) of pressing plate radius, if oil return hole is positioned close at platen edge, profit
Lubricating oil is easy to reversely flow out from the oil sump of bottom, reduces compressor oil liquid level, is unfavorable for oil suction.
6, the oil return hole of pressing plate is circular hole, kidney slot or profiled holes, and the shape of oil return hole there is no specific requirement that.
When existing compressor operating, rotor 8 is rotated with dynamic crankshaft 1, and 1 short axle of bent axle stretches out part and the song of lower flange 2
The fuel sucking pipe 7 of 1 short axle of axis connection constantly stirs oil, and the lubricating oil in compression motor spindle oil sump is under the influence of centrifugal force, it may appear that
The phenomenon that fluid position of close rotation center is recessed, and the fluid position far from rotation center rises (as shown in Figure 1), causes compressor
Oil suction is difficult.Therefore pressing plate 6 is arranged in 2 downside of lower flange in the present invention, is acted in pressure far from the lubricating oil that rotation center rises
Under be pressed at the recessed fluid position of rotation center, raised center pasta, steady oil sump fluid position ensures the suction of fuel sucking pipe 7
Oil mass.
After compressor start, motor operating, band dynamic crankshaft 1 rotates, and the lubricating oil in compression motor spindle oil sump 5 passes through oil suction
The longitudinal oilhole upward fuel feeding of pipe 7 and oil guide piece in bent axle 1 sprays when lubricating oil flows up from each oilhole of bent axle
Go out, the pump body structure component of compressor is lubricated and is sealed, rotor 8 rotates, and oil droplet is thrown toward under the influence of centrifugal force
Surrounding is detached with refrigerant, is fallen after rise down by stator recirculation hole, is disposed with oil return hole 62 at center on pressing plate 6, be can guarantee
Lubricating oil after being detached with high pressure gas in shell smoothly flows back into compression motor spindle oil sump.Oil return hole 62 will avoid opening up as possible
It at platen edge, is preventing lubricating oil from reversely being flowed out from compression motor spindle oil sump 5, is reducing center oil liquid level, central dip
Pasta be unfavorable for 1 oil suction of bent axle lubrication.
The installation of pressing plate 6 can reduce coming into full contact with for high pressure gas and bottom oil sump lubricating oil in shell 4 simultaneously, certain
The oil content of exhaust is reduced in degree, reduces oil recycle ratio.When compressor operating, if a large amount of lubricating oil are discharged with high pressure refrigerant
Into in air-conditioning system heat exchanger, thermal resistance will be increased, reduce heat exchange coefficient, exchange hot property has adverse effect on, simultaneously
Compression motor spindle oil starvation can be also caused, operational feasibility is reduced.Pressing plate is arranged on rotor-type compressor can not only steady fluid
Position ensures fuel sucking pipe oil absorption, and can reduce system oil recycle ratio, improves performance.
Scheme implements two：
As Figure 4-Figure 6, difference lies in pressing plates to use band radian plate (as illustrated in figures 4-5), band with existing embodiment
Radian pressing plate lower planes distance H should not be too large, preferablyω is compressor maximum angular frequency, and r is half in shell
Diameter, g are acceleration of gravity, just can guarantee successfully from medium position oil suction (as shown in Figure 5), prevent center oil liquid level is too low from making
At oil suction difficulty, band radian pressing plate arrange oil return hole at center, the lubricating oil after separation along radian edge it is reflowable enter press
Contracting motor spindle oil sump 5.
Those skilled in the art will readily recognize that under 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 etc., should all be included in the protection scope of the present invention made by within refreshing and principle.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
Under the premise of being detached from the technology of the present invention principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this
The protection domain of invention.
Claims (6)
1. a kind of rotor-type compressor, it is characterised in that：Including bent axle (1), lower flange (2), cylinder (3) and shell (4), and
It is set to the oil sump (5) of the shell (4) interior bottom portion, wherein between the lower flange (2) and the bottom of the shell (4)
It is additionally provided with oil baffle structure, radially direction extends to and leans on the oil baffle structure from the axial centerline of the bent axle (1)
The position of nearly shell (4) side wall；
The oil baffle structure is cylindric or circular cone shape pressing plate (6)；The pressing plate (6) in its center position along central axis
Perforation is provided with centre bore (61), there also is provided multiple edges positioned at the centre bore (61) radial outside on the pressing plate (6)
The oil return hole (62) of the central axial direction perforation；
The middle position of the pressing plate (6) is with recessed towards the direction of shell (4) bottom end so that it is flat to form first at this location
Face (63) is forming the second plane (64), and first plane (63) and second plane at shell (4) inner wall
(64) connected by arc transiting surface (65) between；
And the distance between first plane (63) and second plane (64)ω is compressor maximum angular frequency
Rate, r are shell inside radius, and g is acceleration of gravity, and the oil return hole (62) is arranged on first plane (63).
2. rotor-type compressor according to claim 1, it is characterised in that：The bottom end of the bent axle (1) is also associated with suction
Oil pipe (7), by free end oil suction from the oil sump (5) of the fuel sucking pipe (7), the pressing plate (6) is arranged in the laxative remedy
Position between blue (2) and the free end of the fuel sucking pipe (7).
3. rotor-type compressor according to claim 2, it is characterised in that：The aperture of the wherein described centre bore (61) is more than
The caliber of the fuel sucking pipe (7).
4. rotor-type compressor according to claim 1, it is characterised in that：The oil return hole (62) is circular hole, kidney slot
Or profiled holes.
5. rotor-type compressor according to claim 1, it is characterised in that：When the oil return hole (62) is circular hole, position
Centre-to-centre spacing a between the oil return hole (62) and the centre bore (61) of outermost radial outside on the pressing plate (6) and the oil return hole
(62) the sum of radius r is not more than 0.8 times of the radius of the pressing plate (6).
6. according to the rotor-type compressor described in one of claim 1-5, it is characterised in that：The oil baffle structure passes through welding
Mode is fixed on the shell (4), or the mode being connected through a screw thread is fixed on the cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640408.4A CN106122024B (en) | 2016-08-05 | 2016-08-05 | A kind of rotor-type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640408.4A CN106122024B (en) | 2016-08-05 | 2016-08-05 | A kind of rotor-type compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122024A CN106122024A (en) | 2016-11-16 |
| CN106122024B true CN106122024B (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610640408.4A Active CN106122024B (en) | 2016-08-05 | 2016-08-05 | A kind of rotor-type compressor |
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| CN (1) | CN106122024B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837799A (en) * | 2017-01-24 | 2017-06-13 | 广东美芝制冷设备有限公司 | Pasta subduer, compressor and refrigeration system for compressor |
| CN110966200B (en) * | 2019-11-25 | 2022-02-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0347496A (en) * | 1989-07-12 | 1991-02-28 | Mitsubishi Electric Corp | Scroll compressor |
| CN2168100Y (en) * | 1993-07-03 | 1994-06-08 | 熊春杰 | Vortex type compressor |
| JP2000130865A (en) * | 1998-10-23 | 2000-05-12 | Hitachi Ltd | Refrigerant compressor and air conditioner employing it |
| DE102010015147A1 (en) * | 2010-04-16 | 2011-10-20 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Oil-dampening device for a screw compressor |
| CN201714669U (en) * | 2010-05-28 | 2011-01-19 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN203978844U (en) * | 2014-07-07 | 2014-12-03 | 上海日立电器有限公司 | The Anti-shaking structure of vertical rotor compressor oil sump |
| CN105402133B (en) * | 2015-12-11 | 2017-12-12 | 安徽美芝精密制造有限公司 | Rotary compressor |
| CN205895603U (en) * | 2016-08-05 | 2017-01-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor type compressor |
-
2016
- 2016-08-05 CN CN201610640408.4A patent/CN106122024B/en active Active
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| Publication number | Publication date |
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| CN106122024A (en) | 2016-11-16 |
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Effective date of registration: 20181029 Address after: 519070 789 Jinji Xi Road, Qianshan, Zhuhai, Guangdong Applicant after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Address before: 519000 science and technology building, 789 Jinji Road, Qianshan, Zhuhai, Guangdong Applicant before: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI |
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