CN107131129A - The oil supply system and rotary compressor of compressor - Google Patents
The oil supply system and rotary compressor of compressor Download PDFInfo
- Publication number
- CN107131129A CN107131129A CN201710527869.5A CN201710527869A CN107131129A CN 107131129 A CN107131129 A CN 107131129A CN 201710527869 A CN201710527869 A CN 201710527869A CN 107131129 A CN107131129 A CN 107131129A
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- Prior art keywords
- oil
- bent axle
- supply system
- oil supply
- compressor
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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
- 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)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of oil supply system of compressor and rotary compressor, the oil supply system of the compressor, including：Bent axle and upper support component, the bent axle are vertically extending, and bent axle inside is provided with vertically extending oily passage, and the perisporium on the bent axle top and is formed with oil outlet；The upper support component supports the top of bent axle, wherein, outer peripheral face at the top of the bent axle with the oil groove that connects the oil outlet is provided with least one in the inner peripheral surface of the upper support component in, the oil groove and the oil outlet cooperatively form continuous oil supply passage.The oil supply system of compressor according to embodiments of the present invention, bent axle top area oil outlet in the present invention coordinates the mode of oil groove, it can effectively improve effective fuel delivery of crank spindle section, improve the supply capability of compressor oil-supplying system, the lubrication of support component in guarantee, so as to improve compressor reliability.
Description
Technical field
The present invention relates to Compressor Technology field, the oil supply system and rotary compressor of more particularly to a kind of compressor.
Background technology
The present invention relates to a kind of rotary compressor oil supply system.Rotary compressor includes being provided with housing, housing
Compression assembly and electric machine assembly, electric machine assembly include stator and rotor, and compression assembly includes cylinder, bent axle, bearing and setting
Muffler on bearing.The cavity of resorption of the enclosure interior is provided with oil sump region；The bent axle include main shaft section, eccentric segment and
Countershaft section, the bottom of countershaft section is stretched out directly or by oil pump case to be extended to inside oil sump region.Upper support component, support
The top of bent axle.Oily passage is offered inside the bent axle, crankshaft eccentric section, main shaft section and upper support group is delivered lubricating oil to
At part.
Due to the effect of centrifugal force, parabola pasta can be formed inside the bent axle in rotation.
Free Surface equation is,
The isobaris surface equation of above-mentioned free surface is paraboloid of revolution equation, and equipressure interview is around rotary parabolic at z-axis
Face.Bent axle is when doing stable rotation, and surrounding liquid level rises.From formula (1), when angular speed is bigger, the lubricating oil in bent axle
Parabola center declines more obvious, and especially as the development of high frequency, the height Z in Free Surface equation is higher, but makes simultaneously
Obtain and form very thin oil film on bent axle internal face, cause the lubricating oil for being supplied to support component easily discrete, have a strong impact on
Lubricant effect, is unfavorable for the raising of compressor reliability and efficiency.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose a kind of oil supply system of compressor.
In addition, the invention also provides a kind of rotary compressor.
The oil supply system of compressor according to embodiments of the present invention, including：Bent axle and upper support component, the bent axle is along upper
Lower direction extension, and provided with shape on vertically extending oily passage, and the perisporium on the bent axle top inside the bent axle
Into there is oil outlet；The upper support component supports the top of bent axle, wherein, outer peripheral face and the upper support at the top of the bent axle
The oil groove of the connection oil outlet is provided with least one in the inner peripheral surface of component, the oil groove coordinates shape with the oil outlet
Into continuous oil supply passage.
Bent axle top area oil outlet in the oil supply system of compressor according to embodiments of the present invention, the present invention coordinates oil
The mode of groove, can effectively improve effective fuel delivery of crank spindle section, improve the supply capability of compressor oil-supplying system, it is ensured that on
The lubrication of support component, so as to improve compressor reliability.
In addition, the oil supply system of compressor according to the above embodiment of the present invention, can also have technology additional as follows
Feature：
In one embodiment of the invention, the oil groove is vertical oil groove, left-hand screw shape oil groove or the right side along the vertical direction
Helical form oil groove.
In one embodiment of the invention, the oil groove includes the endless oil groove around the bent axle top.
In one embodiment of the invention, the oil groove connects exterior space and/or the inside of the upper support component
Space.
In one embodiment of the invention, radial direction of the oil outlet along the oily passage, tangential or direction of a curve prolong
Stretch.
In one embodiment of the invention, the center line of described oil outlet is vertical with crankshaft center axle or tilts.
In one embodiment of the invention, the outlet of the oil outlet is positioned at the inner side of the upper support component.
In one embodiment of the invention, the fuel-displaced hole number is one or more.
In one embodiment of the invention, the two ends of oily passage bent axle described in insertion along the vertical direction.
The invention also provides a kind of rotary compressor, including：Clutch shaft bearing component, second bearing component and fuel feeding system
System.The clutch shaft bearing component and the second bearing component limit compression stroke jointly with cylinder；The oil supply system is such as
The oil supply system of foregoing compressor；Wherein, under bent axle described in the clutch shaft bearing component and the second bearing modular support
End.
Rotary compressor according to embodiments of the present invention, employs foregoing oil supply system, can turning by bent axle
It is dynamic, under the action of the centrifugal, the circulation of lubricating oil is realized, and lubrication is provided to each kinematic pair.
Brief description of the drawings
Fig. 1 is the schematic diagram of the rotary compressor of one embodiment of the invention.
Fig. 2-Fig. 7 is the partial schematic diagram of the compressor of different embodiments of the invention.
Fig. 8 and Fig. 9 are the schematic cross-sections of the bent axle of different embodiments of the invention.
Reference：Rotary compressor 100, bent axle 11, upper support component 12, oil outlet 13, longitudinal oil groove 14, annular
Oil groove 15, bent axle spring 16, oily passage 101.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The oil supply system of the compressor of the embodiment of the present invention is described with reference to the accompanying drawings.
With reference to Fig. 2 to Fig. 9, the oil supply system of compressor according to embodiments of the present invention, including：Bent axle 11 and upper support group
Part 12.
Specifically, bent axle 11 is vertically extending, and the inside of bent axle 11 is provided with vertically extending oily passage
101, in the presence of centrifugal force etc., lubricating oil can be circulated to the top of bent axle 11 upwards by oily passage from the oil sump of bottom,
And it is formed with oil outlet 13 on the perisporium on the top of bent axle 11, lubricating oil enters oil outlet 13 and along going out under the influence of centrifugal force
Oilhole 13 flows to the outside of bent axle 11.Upper support component 12 supports the top of bent axle 11, wherein, the outer peripheral face at the top of bent axle 11 and upper
The oil groove of connection oil outlet 12 is provided with least one in the inner peripheral surface of support component 12, oil groove cooperatively forms company with oil outlet
Continuous oil supply gallery, will be guided extremely from the oil that oil outlet 13 is discharged by oil groove (such as longitudinal oil groove 14, annular oil groove 15)
Predetermined position.
The top area oil outlet 13 of bent axle 11 in the oil supply system of compressor according to embodiments of the present invention, the present invention is matched somebody with somebody
The mode of oil groove is closed, effective fuel delivery of the main shaft of bent axle 11 section is can effectively improve, the supply capability of compressor oil-supplying system is improved,
The lubrication of support component 12 in guarantee, so as to improve compressor reliability.
In addition, the oil supply system of compressor according to the above embodiment of the present invention, can also have technology additional as follows
Feature：
As schemed, in one embodiment of the invention, oil groove is vertical oil groove along the vertical direction, and vertical oil groove is vertically square
To extension, enter the lubricating oil in oil groove from oil outlet and flowed under the effect such as gravity, centrifugal force along vertical oil groove, and it is bent
Axle 11 can rotate relative to upper support component 12, therefore, in the rotary course of bent axle 11, and lubricating oil can be to bent axle 11 and upper
The friction pair of support component 12 provides lubrication, so as to improve the lubricant effect rotated to bent axle 11.
In addition, oil groove can also be spiral helicine oil groove, preferably oil groove can be left-hand screw shape oil groove or right-hand screw shape
Oil groove.Namely oil groove is formed as helical form, in the rotary course of bent axle 11, and oil will flow along spiral helicine oil groove, with
Realize the purpose of guiding lubricating oil circulation.
In other embodiments of the present invention, oil groove can also be the endless oil groove around the top of bent axle 11.
In addition, the shape of oil groove can also be as vertical oil groove, left-hand screw shape oil groove, right-hand screw shape oil groove, endless oil groove
The shape that at least a portion in is combined, that is to say, that the shape of oil groove can include vertical groove, left-hand screw shape
One or more in groove, right-hand screw shape groove and endless groove, for example, oil groove is the shape that endless oil groove and left-hand screw oil groove are combined
Left-hand screw oil groove, can be formed on the side face of endless oil groove by formula.
Wherein, vertical oil groove is one kind of longitudinal oil groove, such as vertical oil groove is in vertically extending elongate in shape,
And helical oil groove (left-hand screw oil groove, right-hand screw oil groove etc.) is extended spirally on along the vertical direction.Endless oil groove can be understood as
It is the shape that the side face of bent axle and the inner peripheral surface of upper support component have gap.
In addition, described vertical oil groove, helical oil groove etc. can be formed on bent axle outer peripheral face, it can also be formed
On upper support component inner peripheral surface, can also all it be set in the outer peripheral face of bent axle and the inner peripheral surface of upper support component.
Further, the exterior space of the upper support component 12 of oil groove connection and/or inner space.For example, can be in support
The inside of component sets flow-guiding structure, and lubricating oil can enter flow-guiding structure by oil groove, lubricating oil is divided so as to realize
Match somebody with somebody.
When oil groove being arranged on support component inner peripheral surface,
Oil groove side face can be arranged to top is separated with bent axle 11 and bottom is fitted with the side face of bent axle 11；
Oil groove side face is arranged to bottom is separated with bent axle 11 and top is fitted with the side face of bent axle 11；
Oil groove side face is arranged into upper and lower part to separate with bent axle 11；Or
Oil groove side face is arranged into side face of the upper and lower part with bent axle 11 to fit.
In addition, by foregoing, oil groove can also be formed on the outer peripheral face of bent axle 11, now oil groove and upper support component is interior
Gap between side face is referred to foregoing be easy to draw.
As schemed, the radial direction of the oily passage in oil outlet edge, the extension of tangential or direction of a curve.Such as Fig. 8, the oily passage in oil outlet edge (or
Bent axle 11) radially extend；Such as Fig. 9 oil outlets are tangentially extending along oily passage.Wherein, oil outlet is tangentially extending more along oily passage
It can facilitate fuel-displaced.
Oil outlet can also be arranged to the shape along other straight lines or curve extension, it is only necessary to facilitate fuel-displaced.
In addition, oil outlet center line and the central axis of bent axle 11 or inclination.Such as Fig. 8 and Fig. 9, the center of oil outlet
Line and the central axis of bent axle 11.When oil outlet to be arranged to the shape with the inclined of bent axle 11, fluid is easily facilitated
It is fuel-displaced under the action of the centrifugal.
Preferably, the center line of oil outlet, which is inclined upwardly, extends to the side face of bent axle 11.
As schemed, the outlet of oil outlet is positioned at the inner side of upper support component 12.It is easy to fluid to enter directly into bent axle 11 and upper
Between support component 12.Certainly, oil outlet can also be set higher than upper support component 12.
Further, fuel-displaced hole number is one or more.Multiple oil outlets are set further to facilitate fuel-displaced, increase is bent
Lubricant effect between axle 11 and upper support component 12.
Preferably, the two ends of oily passage insertion bent axle 11 along the vertical direction.It is of course also possible to by the upper end seal of oily passage
Close, so that fuel-displaced by oil outlet.
In addition, the invention provides the oil supply system of several specific embodiments.
Embodiment one：
As shown in Fig. 2 in the oil supply system of compressor, upper support component 12 supports the top of bent axle 11；Bent axle 11 includes
The oily passage of insertion bent axle 11, the main shaft of bent axle 11 section top area are offered inside main shaft section, eccentric segment and countershaft section, bent axle 11
Side wall on be provided with oil outlet 13；The upper support component 12 or the top area of bent axle 11 of oil supply system are additionally provided with longitudinal oil groove
14 or endless oil groove, coordinate the formation continuous oil supply passage of oil outlet 13, the height and position of oil outlet 13 is located under longitudinal oil groove 14
Portion.
Embodiment two：
As shown in figure 3, a kind of oil supply system of rotary compressor 100, it is characterised in that endless oil groove is arranged on support
The inwall of component 12.Remaining is with embodiment one.
Embodiment three：
As shown in figure 4, a kind of oil supply system of rotary compressor 100, it is characterised in that offer insertion inside bent axle 11
Be provided with oil outlet 13 on the oily passage of bent axle 11, the side wall of bent axle 11 main shaft section top area, the quantity of oil outlet 13 be 1 with
On.Remaining is with embodiment one.
Embodiment four：
As shown in figure 5, a kind of oil supply system of rotary compressor 100, it is characterised in that fueller include bent axle 11
Spring 16, or plug cock, or aperture plate, or blind hole bent axle 11.Remaining is with embodiment one.
Embodiment five：
As shown in fig. 6, a kind of oil supply system of rotary compressor 100, it is characterised in that the main shaft of bent axle 11 section top area
Side wall on be provided with oil outlet 13, the height and position of oil outlet 13 is located at the middle part or top of longitudinal oil groove 14.Remaining is with implementation
Mode one.
Embodiment six：
As shown in fig. 7, a kind of oil supply system of rotary compressor 100, it is characterised in that the main shaft of bent axle 11 section top area
Side wall on be provided with oil outlet 13, the height and position of oil outlet 13 is located at the top of longitudinal oil groove 14, and annular oil groove 15 is arranged on
The upper inwall of support component 12, in upper end open state, the top cavity area of support component 12 in connection.Remaining same embodiment
Four.
Embodiment seven：
As shown in figure 8, in the oil supply system of compressor 100, being provided with out on the side wall of the main shaft of bent axle 11 section top area
It is to be radially arranged between the oily passage of oilhole 13, oil outlet 13 and insertion bent axle 11.Remaining is with embodiment one.
Embodiment eight：
As shown in figure 9, in the oil supply system of compressor 100, being provided with out on the side wall of the main shaft of bent axle 11 section top area
It is tangentially-arranged between the oily passage of oilhole 13, oil outlet 13 and insertion bent axle 11.Remaining is with embodiment one.
With reference to Fig. 1 to Fig. 9, the invention also provides a kind of rotary compressor 100, including：Clutch shaft bearing component, second
Bearing assembly and oil supply system.Clutch shaft bearing component and second bearing component limit compression stroke jointly with cylinder；Oil supply system
For the oil supply system of compressor as the aforementioned；Wherein, clutch shaft bearing component and the lower end of second bearing modular support bent axle 11.
The invention aims to overcome the shortcomings of to provide a kind of rotary pressure in correlation technique on compressor arrangement
The oil supply system of contracting machine 100.
The oil supply system of a kind of rotary compressor 100 designed by this purpose, including housing, the cavity of resorption of enclosure interior are set
There is oil sump region；Bent axle 11, bent axle 11 includes main shaft section, eccentric segment and countershaft section, and the bottom of countershaft section is directly or by oil
Pump case, which is stretched out, to be extended to inside oil sump region.
Clutch shaft bearing component and second bearing component, limit compression stroke with cylinder and support the bottom of bent axle 11 jointly；
Upper support component 12, supports the top of bent axle 11.Oily passage is offered inside bent axle 11, bent axle 11 is delivered lubricating oil to eccentric
At section, main shaft section and upper support component 12.
The top area oil outlet 13 of bent axle 11 in the present invention coordinates the mode of oil groove, can effectively improve the main shaft of bent axle 11 section
Effective fuel delivery, the supply capability of compressor oil-supplying system is improved, it is ensured that the lubrication of upper support component 12, so as to ensure compression
The reliability service of machine.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the instruction such as " level ", " top ", " bottom " " interior ", " outer ", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference "
Orientation or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplification is retouched
State, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of oil supply system of compressor, it is characterised in that including：
Bent axle, the bent axle is vertically extending, and vertically extending oily passage, and institute are provided with inside the bent axle
Oil outlet is formed with the perisporium for stating bent axle top；
Upper support component, the upper support component supports the top of bent axle,
Wherein, the outer peripheral face at the top of the bent axle with least one in the inner peripheral surface of the upper support component be provided with connect institute
The oil groove of oil outlet is stated, the oil groove cooperatively forms continuous oil supply passage with the oil outlet.
2. the oil supply system of compressor according to claim 1, it is characterised in that the oil groove is along the vertical direction to be vertical
Oil groove, left-hand screw shape oil groove or right-hand screw shape oil groove.
3. the oil supply system of compressor according to claim 1, it is characterised in that the oil groove is included around the bent axle
The endless oil groove on top.
4. the oil supply system of the compressor according to any one of claim 1-3, it is characterised in that the oil groove connects institute
State exterior space and/or the inner space of support component.
5. the oil supply system of compressor according to claim 1, it is characterised in that the oil outlet is along the oily passage
Radially, tangential or direction of a curve extension.
6. the oil supply system of the compressor according to any one of claim 1-3 and 5, it is characterised in that described goes out
The center line of oilhole is vertical with crankshaft center axle or tilts.
7. the oil supply system of the compressor according to any one of claim 1-3 and 5, it is characterised in that described fuel-displaced
The outlet in hole is positioned at the inner side of the upper support component.
8. the oil supply system of the compressor according to any one of claim 1-3 and 5, it is characterised in that described fuel-displaced
Hole number is one or more.
9. the oil supply system of compressor according to claim 1, it is characterised in that the oily passage insertion along the vertical direction
The two ends of the bent axle.
10. a kind of rotary compressor, it is characterised in that including：
Clutch shaft bearing component and second bearing component, the clutch shaft bearing component and the second bearing component are limited jointly with cylinder
Determine compression stroke；
Oil supply system, the oil supply system is the oil supply system of the compressor as any one of claim 1-8；
Wherein, bent axle lower end described in the clutch shaft bearing component and the second bearing modular support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710527869.5A CN107131129A (en) | 2017-06-30 | 2017-06-30 | The oil supply system and rotary compressor of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710527869.5A CN107131129A (en) | 2017-06-30 | 2017-06-30 | The oil supply system and rotary compressor of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107131129A true CN107131129A (en) | 2017-09-05 |
Family
ID=59736713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710527869.5A Pending CN107131129A (en) | 2017-06-30 | 2017-06-30 | The oil supply system and rotary compressor of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107131129A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018201827A1 (en) * | 2017-05-03 | 2018-11-08 | 上海海立电器有限公司 | Rolling piston rotary compressor |
| CN109899293A (en) * | 2017-12-11 | 2019-06-18 | 上海海立电器有限公司 | Rotary Compressor and its lubrication system |
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| US5030073A (en) * | 1990-04-18 | 1991-07-09 | Hitachi, Ltd. | Rotary compressor |
| US5667372A (en) * | 1994-06-02 | 1997-09-16 | Lg Electronics Inc. | Rolling piston rotary compressor formed with lubrication grooves |
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| CN203500013U (en) * | 2013-08-20 | 2014-03-26 | 广东美芝制冷设备有限公司 | Crankshaft component for compressor and compressor with crankshaft component |
| CN104948424A (en) * | 2015-06-26 | 2015-09-30 | 广州万宝集团压缩机有限公司 | High-rotation-speed and self-adaption oil supply crankshaft used for inverter compressor |
| CN105402123A (en) * | 2014-08-21 | 2016-03-16 | 洛阳中方实业有限公司 | Rolling piston refrigeration compressor processing sufficient lubricating system and lubricating method |
| CN206860453U (en) * | 2017-06-30 | 2018-01-09 | 广东美芝制冷设备有限公司 | The oil supply system and rotary compressor of compressor |
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2017
- 2017-06-30 CN CN201710527869.5A patent/CN107131129A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030073A (en) * | 1990-04-18 | 1991-07-09 | Hitachi, Ltd. | Rotary compressor |
| US5667372A (en) * | 1994-06-02 | 1997-09-16 | Lg Electronics Inc. | Rolling piston rotary compressor formed with lubrication grooves |
| CN102261334A (en) * | 2010-05-31 | 2011-11-30 | Lg电子株式会社 | Hermetic compressor |
| CN203500013U (en) * | 2013-08-20 | 2014-03-26 | 广东美芝制冷设备有限公司 | Crankshaft component for compressor and compressor with crankshaft component |
| CN105402123A (en) * | 2014-08-21 | 2016-03-16 | 洛阳中方实业有限公司 | Rolling piston refrigeration compressor processing sufficient lubricating system and lubricating method |
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| WO2018201827A1 (en) * | 2017-05-03 | 2018-11-08 | 上海海立电器有限公司 | Rolling piston rotary compressor |
| CN109899293A (en) * | 2017-12-11 | 2019-06-18 | 上海海立电器有限公司 | Rotary Compressor and its lubrication system |
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Application publication date: 20170905 |
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