CN106640659B - Bearing of compressor and rotary compressor - Google Patents
Bearing of compressor and rotary compressor Download PDFInfo
- Publication number
- CN106640659B CN106640659B CN201710054810.9A CN201710054810A CN106640659B CN 106640659 B CN106640659 B CN 106640659B CN 201710054810 A CN201710054810 A CN 201710054810A CN 106640659 B CN106640659 B CN 106640659B
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- Prior art keywords
- pressure
- low
- bearing
- sump
- compressor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/02—Crankshaft bearings
-
- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of bearing of compressor and rotary compressor, bearing of compressor includes：Crankshaft hole, the both ends of the crankshaft hole are respectively high-pressure side and low-pressure end, the pressure of the high-pressure side is suitable for the pressure more than the low-pressure end, it is provided with low-pressure tank and high pressure sump on the side wall of the crankshaft hole, the high pressure sump is connected to the high-pressure side, and the low-pressure tank is connected to the low-pressure end.The purpose of high pressure sump and low-pressure tank can improve the certain bearing capacity of bearing, can improve the bearing capacity of bearing of compressor in this way, can be reduced, operated steadily to reach bearing load with equalizer bearing load, and reliability improves.
Description
Technical field
The present invention relates to Compressor Technology field more particularly to a kind of bearing of compressor and with the bearing of compressor
Rotary compressor.
Background technology
In the related technology, rotary compressor generally use the metal materials such as cast iron make bearing, bearing and bent axle and
Lubricating oil cooperation carrying live load, will not be in direct contact in the live load of design with inside crankshaft and bearing between them
It causes to wear, when load is more than Design cooling load, bent axle and bearing touch cause to wear, and influence compressor reliability.It is oily in bearing
Circumferentially near parabolic shape, bearing arrangement determine that then parabolic shape determines to film pressure, and bearing load carrying capacity is true
It is fixed, it can only increase the diameter of axle to raising bearing capacity and either lengthen bearing but the increasing diameter of axle or the lengthening all direct shadow of bearing
The size of bearing is rung, and influences the size of the other component of compressor indirectly.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention carries
Go out a kind of bearing of compressor, which can promote the bearing capacity of itself.
The present invention further proposes a kind of rotary compressor.
Bearing of compressor according to the present invention, including：The both ends of crankshaft hole, the crankshaft hole are respectively high-pressure side and low pressure
End, the pressure of the high-pressure side are suitable for the pressure more than the low-pressure end, low-pressure tank are provided on the side wall of the crankshaft hole
And high pressure sump, the high pressure sump are connected to the high-pressure side, the low-pressure tank is connected to the low-pressure end.
Bearing of compressor according to the present invention, high pressure sump and low-pressure tank can improve the certain bearing capacity of bearing,
The bearing capacity of bearing of compressor can be improved in this way, can be reduced to reach bearing load, operation is flat with equalizer bearing load
Surely, the purpose of reliability improves.
In addition, bearing of compressor according to the present invention can also have following additional technical feature：
In some examples of the present invention, the high pressure sump is opened in the region that oil film pressure is less than pressure at expulsion, institute
It states low-pressure tank and is opened in the minimum region of oil film pressure.
In some examples of the present invention, compressor includes：Slide plate, with the central axis of the slide plate for 0 ° of line, the inverse time
Needle calculates the central angle corresponding to the side wall of the crankshaft hole, and the high pressure sump opens up angle between 120 ° -180 °, or
Between 260 ° -320 °.
In some examples of the present invention, the low-pressure tank opens up angle between 0 ° -180 °.
In some examples of the present invention, the high pressure sump and the low-pressure tank are respectively along the axial direction of the crankshaft hole
Extend and in the circumferentially spaced of the crankshaft hole.
In some examples of the present invention, the 30%- of the length of the high pressure sump in the axial length of the crankshaft hole
Between 70%, the length of the low-pressure tank is between the 30%-70% of the axial length of the crankshaft hole.
In some examples of the present invention, the width of the high pressure sump the 5%-10% of the crankshaft hole perimeter it
Between, the width of the low-pressure tank is between the 5%-10% of the crankshaft hole perimeter.
In some examples of the present invention, depth of the high pressure sump on the side wall of the crankshaft hole is in 0.2mm-
Between 1mm, depth of the low-pressure tank on the side wall of the crankshaft hole is between 0.2mm-1mm.
The present invention some examples in, between the high pressure sump and the high-pressure side and the low-pressure tank and
Be respectively arranged with connectivity slot between the low-pressure end, the width of the connectivity slot be less than the corresponding high pressure sump width or
The width of the low-pressure tank.
Rotary compressor according to the present invention, including：The bearing of compressor.
Description of the drawings
Fig. 1-Fig. 4 is the sectional view according to the bearing of compressor of four different embodiments of the present invention；
Fig. 5 is that there are two the lateral partial structurtes sectional views of the compressor of bearing for arrangement；
Fig. 6 is the front view of bearing of compressor according to the ... of the embodiment of the present invention；
Fig. 7 is the load schematic diagram of bearing of compressor according to the ... of the embodiment of the present invention.
Reference numeral：
Bearing of compressor 10；
Crankshaft hole 1；High-pressure side 11；Low-pressure end 12；
High pressure sump 2；Low-pressure tank 3；Connectivity slot 5.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Bearing of compressor 10 according to the ... of the embodiment of the present invention is described in detail below with reference to Fig. 1-Fig. 7.
In conjunction with shown in Fig. 1-Fig. 4, bearing of compressor 10 according to the ... of the embodiment of the present invention may include：Crankshaft hole 1, crankshaft hole
1, for coordinating with bent axle, can enable bearing 10 to be set on bent axle in this way.The both ends of crankshaft hole 1 are respectively high-pressure side
11 and low-pressure end 12, the pressure of high-pressure side 11 is suitable for the pressure more than low-pressure end 12, for example, as shown in figure 5, the high pressure of bearing 10
Towards cylinder, the low-pressure end 12 of bearing 10 can be directed away from the direction of cylinder at end 11.
As depicted in figs. 1 and 2, high pressure sump 2 is provided on the side wall of crankshaft hole 1, high pressure sump 2 is connected to high-pressure side 11.
As shown in Figure 3 and Figure 4, low-pressure tank 3 is provided on the side wall of crankshaft hole 1, low-pressure tank 3 is connected to low-pressure end 12.
Moreover, in conjunction with shown in Fig. 1-Fig. 4, between high pressure sump 2 and high-pressure side 11 and low-pressure tank 3 and low-pressure end 12
Between be respectively arranged with connectivity slot 5, the width of connectivity slot 5 is less than the width of corresponding high pressure sump 2 or the width of low-pressure tank 3
Degree.That is, connectivity slot 5 can be used for being connected to corresponding high-pressure side 11 and high pressure sump 2, and it is corresponding low for being connected to
Pressure side 12 and low-pressure tank 3.It should be noted that the width by the way that connectivity slot 5 is rationally arranged, can so that lubricating oil flow is suitable
Smooth and flow is suitable.
Extreme pressure lubricant can be entered by connectivity slot 5 in high pressure sump 2 in this way, and low pressure lubricating oil can pass through connection
Slot 5 enters in low-pressure tank 3.As shown in fig. 7, meeting curve and can obtaining for the generation of high pressure sump 2 whether is arranged by comparison
Know, high pressure sump 2 can provide 1,000 Ns of bearing capacities, and correspondingly, low-pressure tank 3 can also improve the certain carrying energy of bearing 10
Power can improve the bearing capacity of bearing of compressor 10 in this way, can be subtracted to reach 10 load of bearing with 10 load of equalizer bearing
It is few, it operates steadily, the purpose of reliability improves.
Optionally, high pressure sump 2 is opened in the region that oil film pressure is less than pressure at expulsion, so as to avoid reducing oil film
Pressure risk.Moreover, high pressure sump 2 is opened in 10 supporting region of bearing, so as to increase by 10 bearing capacity of bearing.
Low-pressure tank 3 is opened in the minimum region of oil film pressure.Low-pressure tank 3 can be opened in 10 non-bearing area of bearing,
Supporting region back pressure can be reduced in this way, reduce 10 load of bearing.
Further, as shown in figure 5, compressor may include：Slide plate (not shown), with the central axis of slide plate for 0 °
Line calculates the central angle corresponding to the side wall of crankshaft hole 1 counterclockwise, and high pressure sump 2 opens up angle between 120 ° -180 °,
Or between 260 ° -320 °.As depicted in figs. 1 and 2, the quantity of high pressure sump 2 does not limit, and the quantity of high pressure sump 2 can be with
It is one, certainly, the quantity of high pressure sump 2 may be two, when the quantity of high pressure sump 2 is one, high pressure sump 2
Opening up angle can be between 120 ° -180 °, alternatively, the angle that opens up of high pressure sump 2 can be between 260 ° -320 °.Work as height
When the quantity of pressure oil groove 2 is two, the angle that opens up of a high pressure sump 2 can be between 120 ° -180 °, another high pressure oil
The angle that opens up of slot 2 can be between 260 ° -320 °.Wherein, the maximum load area of bearing 10 opens up angle at 200 ° -240 °
Between.Position in this way by reasonable Arrangement high pressure sump 2 in the circumferential can preferably improve the carrying of bearing of compressor 10
Ability.
Optionally, the angle that opens up of low-pressure tank 3 can be between 0 ° -180 °.Wherein as shown in Figure 3 and Figure 4, low pressure oil
The quantity of slot 3 does not limit, and the quantity of low-pressure tank 3 can be one, and certainly, the quantity of low-pressure tank 3 may be two.
By the position of reasonable Arrangement low-pressure tank 3 in the circumferential, 10 load of bearing of compressor can be preferably reduced.
According to a preferred embodiment of the present invention, as shown in figures 1 and 3, high pressure sump 2 and low-pressure tank 3 edge respectively
Crankshaft hole 1 it is axially extending, and high pressure sump 2 and low-pressure tank 3 are in the circumferentially spaced of crankshaft hole 1.Axially extending height
Pressure oil groove 2 and low-pressure tank 3 can ensure the structural reliability of bearing of compressor 10, and are conducive to lubricating oil and flow inside it
It is dynamic.In addition, by by high pressure sump 2 and low-pressure tank 3 in the circumferentially spaced of crankshaft hole 1, can be to avoid high pressure sump 2 and low
Pressure oil groove 3 interferes with each other, and can better ensure that the functional reliability of bearing of compressor 10.
Optionally, the length of high pressure sump 2 can be between the 30%-70% of the axial length of crankshaft hole 1, low-pressure tank
3 length can be between the 30%-70% of the axial length of crankshaft hole 1.Specifically, the length and low pressure oil of high pressure sump 2
The length of slot 3 can be set according to the bearing capacity of required bearing of compressor 10, can ensure bearing of compressor 10 in this way
While structure is reliable, required bearing capacity is obtained.
Optionally, the width of high pressure sump 2 can be between the 5%-10% of 1 perimeter of crankshaft hole, the width of low-pressure tank 3
It can be between the 5%-10% of 1 perimeter of crankshaft hole.In this way, the width suitable of the width and low-pressure tank 3 of high pressure sump 2, it can
The reliability of the inner wall of bearing of compressor 10 is influenced to avoid high pressure sump 2 and low-pressure tank 3.
Optionally, depth of the high pressure sump 2 on the side wall of crankshaft hole 1 is between 0.2mm-1mm, and low-pressure tank 3 is in song
Depth on the side wall of axis hole 1 is between 0.2mm-1mm.Meet the depth and low-pressure tank 3 of the high pressure sump 2 of above range
Depth can play the role of avoiding pressure release and throttling at least to some extent.
Rotary compressor according to the ... of the embodiment of the present invention includes the bearing of compressor 10 of above-described embodiment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of bearing of compressor, which is characterized in that including：The both ends of crankshaft hole, the crankshaft hole are respectively high-pressure side and low
Pressure side, the pressure of the high-pressure side are suitable for the pressure more than the low-pressure end, low pressure oil are provided on the side wall of the crankshaft hole
Slot and high pressure sump, the high pressure sump are connected to the high-pressure side, and the low-pressure tank is connected to the low-pressure end.
2. bearing of compressor according to claim 1, which is characterized in that the high pressure sump is opened in oil film pressure and is less than
The region of pressure at expulsion, the low-pressure tank are opened in the minimum region of oil film pressure.
3. bearing of compressor according to claim 1, which is characterized in that compressor includes：Slide plate, in the slide plate
Mandrel line is 0 ° of line, calculates the central angle corresponding to the side wall of the crankshaft hole counterclockwise, the high pressure sump opens up angle
Between 120 ° -180 ° or between 260 ° -320 °.
4. bearing of compressor according to claim 3, which is characterized in that the low-pressure tank open up angle 0 °-
Between 180 °.
5. bearing of compressor according to claim 1, which is characterized in that the high pressure sump and low-pressure tank difference
Along the axially extending of the crankshaft hole and in the circumferentially spaced of the crankshaft hole.
6. bearing of compressor according to claim 5, which is characterized in that the length of the high pressure sump is in the crankshaft hole
Axial length 30%-70% between, the 30%-70% of the length of the low-pressure tank in the axial length of the crankshaft hole
Between.
7. bearing of compressor according to claim 5, which is characterized in that the width of the high pressure sump is in the crankshaft hole
Between the 5%-10% of perimeter, the width of the low-pressure tank is between the 5%-10% of the crankshaft hole perimeter.
8. bearing of compressor according to claim 5, which is characterized in that side wall of the high pressure sump in the crankshaft hole
On depth between 0.2mm-1mm, depth of the low-pressure tank on the side wall of the crankshaft hole 0.2mm-1mm it
Between.
9. bearing of compressor according to claim 5, which is characterized in that between the high pressure sump and the high-pressure side,
And connectivity slot is respectively arranged between the low-pressure tank and the low-pressure end, the width of the connectivity slot is less than corresponding institute
State the width of high pressure sump or the width of the low-pressure tank.
10. a kind of rotary compressor, which is characterized in that including：According to the compressor shaft described in any one of claim 1-9
It holds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054810.9A CN106640659B (en) | 2017-01-24 | 2017-01-24 | Bearing of compressor and rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054810.9A CN106640659B (en) | 2017-01-24 | 2017-01-24 | Bearing of compressor and rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640659A CN106640659A (en) | 2017-05-10 |
| CN106640659B true CN106640659B (en) | 2018-10-02 |
Family
ID=58841261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710054810.9A Active CN106640659B (en) | 2017-01-24 | 2017-01-24 | Bearing of compressor and rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640659B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61155688A (en) * | 1984-12-28 | 1986-07-15 | Toshiba Corp | Rotary compressor |
| JP2009097460A (en) * | 2007-10-18 | 2009-05-07 | Panasonic Corp | Rotary motor-driven compressor |
| JP2009108747A (en) * | 2007-10-30 | 2009-05-21 | Panasonic Corp | Hermetic electric compressor |
| JP2010185342A (en) * | 2009-02-12 | 2010-08-26 | Panasonic Corp | Rotary motor-driven compressor |
| JP2014139443A (en) * | 2012-10-23 | 2014-07-31 | Panasonic Corp | Rotary compressor |
| CN206429412U (en) * | 2017-01-24 | 2017-08-22 | 广东美芝制冷设备有限公司 | Bearing of compressor and rotary compressor |
-
2017
- 2017-01-24 CN CN201710054810.9A patent/CN106640659B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61155688A (en) * | 1984-12-28 | 1986-07-15 | Toshiba Corp | Rotary compressor |
| JP2009097460A (en) * | 2007-10-18 | 2009-05-07 | Panasonic Corp | Rotary motor-driven compressor |
| JP2009108747A (en) * | 2007-10-30 | 2009-05-21 | Panasonic Corp | Hermetic electric compressor |
| JP2010185342A (en) * | 2009-02-12 | 2010-08-26 | Panasonic Corp | Rotary motor-driven compressor |
| JP2014139443A (en) * | 2012-10-23 | 2014-07-31 | Panasonic Corp | Rotary compressor |
| CN206429412U (en) * | 2017-01-24 | 2017-08-22 | 广东美芝制冷设备有限公司 | Bearing of compressor and rotary compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640659A (en) | 2017-05-10 |
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