CN108443115A - Improve the compressor crank shaft and compressor of oil drain quantity - Google Patents
Improve the compressor crank shaft and compressor of oil drain quantity Download PDFInfo
- Publication number
- CN108443115A CN108443115A CN201810429206.4A CN201810429206A CN108443115A CN 108443115 A CN108443115 A CN 108443115A CN 201810429206 A CN201810429206 A CN 201810429206A CN 108443115 A CN108443115 A CN 108443115A
- Authority
- CN
- China
- Prior art keywords
- countershaft
- main shaft
- eccentric
- oil
- compressor
- Prior art date
- 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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0094—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 crankshaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention proposes a kind of compressor crank shaft and compressor improving oil drain quantity, main shaft, eccentric shaft and countershaft are sequentially connected, main shaft and countershaft coaxial line arrangement, it is opened up in main shaft along the axial arranged main shaft oil duct of main shaft, it is opened up in eccentric shaft along the axial arranged eccentric slinger of eccentric shaft, it is opened up in countershaft along the axial arranged countershaft oil duct of countershaft, main shaft oil duct, eccentric slinger is connected to countershaft oil duct three, main shaft side opens up the main shaft outage being connected to main shaft oil duct, eccentric shaft side opens up the eccentric shaft outage being connected to eccentric slinger, countershaft side opens up the first countershaft outage being connected to countershaft oil duct, countershaft top and open up the second countershaft outage in countershaft oil duct terminal position, countershaft top, which opens up, gets rid of oily blind hole, the opening of second countershaft outage is overlapped with the opening portion for getting rid of oily blind hole.Beneficial effects of the present invention：It reduces from air suction silencer entrance and sucks refrigerator oil mass, to improve the oil drain quantity of compressor.
Description
Technical field
The present invention relates to Compressor Technology fields, more particularly to a kind of compressor crank shaft improving oil drain quantity and compression
Machine.
Background technology
Refrigeration compressor is the core component of refrigeration equipment and the key point of left and right refrigeration industry development.With household electrical appliances
Industry development with rapid changepl. never-ending changes and improvements, industry is interior to propose more requirements to refrigeration compressor performance.The oil drain quantity of compressor influences
The key parameters such as wear extent, calorific value, the cold of refrigeration compressor.According to our company experimental verification, oil drain quantity and piston structure,
The factors such as cylinder holder structure, crankshaft structure, air suction silencer structure, apolegamy gap, refrigerator oil type have inseparable
Contact.Bent axle oil extraction, bent axle end get rid of oil be mainly used for lubricating movement respectively rub it is secondary, take away the secondary clast of each friction and to machine
Cylinder head cooling on core, cylinder block and cylinder block.But under existing crankshaft structure, it will appear crankshaft end during oil extraction
Head gets rid of oily excessive height, gets rid of phenomena such as oily hypertelorism, and refrigerator oil is caused to splash, and sucks, causes from air suction silencer entrance
Oil drain quantity is excessive, so cause compressor cold decline, refrigeration system block a series of problems, such as.
Invention content
The purpose of the present invention is to provide a kind of compressor crank shafts and compressor improving oil drain quantity, solve current compressor
Bent axle end gets rid of oily excessive height, gets rid of oily hypertelorism, and refrigerator oil is caused to splash, and refrigerator oil is inhaled from air suction silencer entrance
The technical issues of entering, cause oil drain quantity excessive, the decline of compressor cold, refrigeration system is caused to block.
The present invention provides a kind of compressor crank shaft improving oil drain quantity, including sequentially connected main shaft, eccentric shaft and countershaft,
Main shaft and countershaft coaxial line are arranged, are offered inside main shaft and are offered inside the axial arranged main shaft oil duct of main shaft, eccentric shaft
The eccentric slinger axial arranged along eccentric shaft offers inside countershaft along the axial arranged countershaft oil duct of countershaft, main shaft oil duct,
Eccentric slinger is connected to countershaft oil duct three, and main shaft side offers the main shaft outage being connected to main shaft oil duct, eccentric shaft
Side offers the eccentric shaft outage being connected to eccentric slinger, and it is secondary that countershaft side offers first be connected to countershaft oil duct
Axis outage, countershaft top and offers the second countershaft outage in countershaft oil duct terminal position, and countershaft top, which offers, gets rid of oil
The opening of blind hole, the second countershaft outage is overlapped with the opening portion for getting rid of oily blind hole.
Further, the shape for getting rid of oily blind hole is limited by the conical bore of lower section and the cylindrical hole of top, circular cone
The vertex in hole downward, bottom surface upward, conical bore and cylindrical hole coaxial line arrangement, the end face of cylindrical hole and the bottom surface phase of conical bore
Together, the opening of cylindrical hole is overlapped with the opening portion of the second countershaft outage.
Further, conical bore, cylindrical hole are also arranged with countershaft coaxial line.
Further, the height of cylindrical hole is 1mm, and the basal diameter of conical bore is 10mm, along the axis cutting of conical bore
The opening angle that conical bore forms conical bore is 120 °.
Further, the side of main shaft offers the oil-way being connect with main shaft outage.
Further, the oil-way is arranged along the axial screw of main shaft.
Further, main shaft oil duct and main shaft coaxial line are arranged, eccentric slinger is arranged and partially with countershaft oil duct coaxial line
From layshaft axis.
Further, eccentric slinger is identical as the internal diameter of countershaft oil duct, and the internal diameter of eccentric slinger is less than main shaft oil duct
Internal diameter.
Further, the compressor crank shaft for improving oil drain quantity further includes balance weight, and balance weight is located at opposite the one of eccentric shaft
Side.
The present invention also provides a kind of compressors, include the compressor crank shaft of above-mentioned improvement oil drain quantity.
Compared with prior art, the compressor crank shaft of improvement oil drain quantity of the invention and compressor have the characteristics that with it is excellent
Point：
The compressor crank shaft of the improvement oil drain quantity of the present invention is installed on compressor, and oil is got rid of through bent axle oil extraction, bent axle end
Can respectively rub to movement secondary progress good lubrication, the secondary clast of each friction be taken away, to the cylinder on movement, cylinder block and cylinder block
Head is well cooled down；On the basis of above-mentioned good lubrication, cooling, oil is got rid of in bent axle end, gets rid of oily height, apart from moderate, keeps away
Exempt from refrigerator oil splashing, reduces and avoid pressing to improve the oil drain quantity of compressor from air suction silencer entrance sucking refrigerator oil mass
Contracting machine cold declines, refrigeration system blocks, and keeps compressor operating stable, reliable.
After the specific implementation mode of the present invention is read in conjunction with the figure, the features and advantages of the invention will become clearer.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the stereogram for the compressor crank shaft that the embodiment of the present invention improves oil drain quantity；
Fig. 2 is the side view for the compressor crank shaft that the embodiment of the present invention improves oil drain quantity；
Fig. 3 is the sectional view for the compressor crank shaft that the embodiment of the present invention improves oil drain quantity；
Fig. 4 is that the compressor crank shaft of improvement oil drain quantity of the embodiment of the present invention assembles the structural schematic diagram after movement；
Fig. 5 is the part-structure schematic diagram of compressor of the embodiment of the present invention；
Wherein, 1, main shaft, 11, main shaft oil duct, 12, main shaft outage, 13, oil-way, 2, eccentric shaft, 21, eccentric shaft
Oil duct, 22, eccentric shaft outage, 3, balance weight, 4, countershaft, 41, countershaft oil duct, the 42, first countershaft outage, 43, second is secondary
Axis outage, 44, get rid of oily blind hole, 5, outer bearing, 6, cylinder head, 7, cylinder block, 8, air suction silencer entrance, 9, machine lower casing.
Specific implementation mode
As shown in Figures 1 to 3, the present embodiment provides it is a kind of improve oil drain quantity compressor crank shaft, bent axle include main shaft 1, partially
Mandrel 2, balance weight 3 and countershaft 4, main shaft 1, eccentric shaft 2, balance weight 3 and countershaft 4 are sequentially arranged and are integrated into from bottom to top
Type.Main shaft 1 and 2 coaxial line of countershaft arrangement, balance weight 3 are assemblied in the opposite side of eccentric shaft 2.Balance weight 3 is used for balance crankshaft
Unbalanced centrifugal intertia force and moment of inertia so that bent axle is transported to reduce the postrotational Oscillation Amplitude of crankshaft high-speed and frequency
Turn more stable.
Main shaft oil duct 11 is offered inside main shaft 1, main shaft oil duct 11 is axial arranged along main shaft 1.It is opened up inside eccentric shaft 2
There are eccentric slinger 21, eccentric slinger 21 axial arranged along eccentric shaft 2.Countershaft oil duct 41, countershaft are offered inside countershaft 4
Oil duct 41 is axial arranged along countershaft 4.Main shaft oil duct 11, eccentric slinger 21 are connected to 41 three of countershaft oil duct.Compressor is flat
In steady operational process, under the influence of centrifugal force, refrigerator oil enters main shaft oil duct 11 by the bottom of compressor, refrigerator oil according to
The secondary direction along main shaft oil duct 11, eccentric slinger 21 and countershaft oil duct 41 is flowed.
In the present embodiment, main shaft oil duct 11 is arranged with 1 coaxial line of main shaft, and it is used to generate unbalanced centrifugation to avoid main shaft 1
Property power and moment of inertia.Eccentric slinger 21 and 41 coaxial line of countershaft oil duct arrange, eccentric slinger 21, countershaft oil duct 41 axis
The axis runout of line and countershaft 4.Eccentric slinger 21 is identical as the internal diameter of countershaft oil duct 41, and the internal diameter of eccentric slinger 21 is less than
The internal diameter of main shaft oil duct 11, the refrigerator oil in main shaft oil duct 11 can persistently be full of eccentric slinger 21, countershaft oil duct 41, make
Refrigerator oil sustained outward current in eccentric slinger 21, countershaft oil duct 41 realizes continuous lubrication, cooling.In addition, above-mentioned main shaft oil
Road 11, eccentric slinger 21 and countershaft oil duct 41, molding easy to process can form master from the lower face drilling processing of main shaft 1
Slinger 11 forms countershaft oil duct 41 and eccentric slinger 21 from the upper surface drilling processing of countershaft 4.
The side of main shaft 1 offers main shaft outage 12, and main shaft outage 12 is connected to main shaft oil duct 11.The side of main shaft 1
Face offers oil-way 13, and oil-way 13 is arranged along the axial screw of main shaft 1 to be obtained more to the friction lubricating on main shaft 1
Uniformly, one end of oil-way 13 is connect with main shaft outage 12.The axis hole that cylinder block 7 is assembled on main shaft 1, from oil-way 13
The refrigerator oil of outflow is flowed along oil-way 13, right to the friction pair between lubricating spindle 1 and the axis hole of cylinder block 7
The friction pair cools down, and takes away the clast that friction generates.
The side of eccentric shaft 2 offers eccentric shaft outage 22, and eccentric shaft outage 22 is connected to eccentric slinger 21.Partially
Big end is assembled in mandrel 2, between the refrigerator oil lubrication eccentric shaft 2 that eccentric shaft outage 22 flows out and big end
Friction is secondary, cools down to the friction pair, takes away the clast that friction generates.
The side of countershaft 4 offers the first countershaft outage 42, and the first countershaft outage 42 is connected to countershaft oil duct 41.It is secondary
Outer bearing 5 is assembled on axis 4, the friction pair between countershaft 4 and outer bearing 5 is lubricated from the first countershaft outage 42, to the friction pair
The clast that friction generates is taken away in cooling.
The top of countershaft 4 and in the terminal position of countershaft oil duct 41 offer opening be circular second countershaft outage
43.The top of countershaft 4, which offers, gets rid of oily blind hole 44.The opening of second countershaft outage 43 and the opening for getting rid of oily blind hole 44, the two
It partially overlaps.During crank rotation, refrigerator oil enters the second countershaft outage 43 from countershaft oil duct 41, is arranged in the second countershaft
Enter along the upper edge of the second countershaft outage 43 in oilhole 43 and get rid of oily blind hole 44, then is got rid of from the intermediate position for getting rid of oily blind hole 44
Go out.Refrigerator oil is thrown away through getting rid of oily blind hole 44 again from the outflow of the second countershaft outage 43, can be optimized and be thrown away route, what is thrown away is cold
Freeze machine oil and is sprayed to above-mentioned each friction pair, it is secondary to each friction to cool down, the clast that friction generates is taken away, and to movement cooling.This
In embodiment, the shape for getting rid of oily blind hole 44 is limited by the conical bore of lower section and the cylindrical hole of top.The vertex court of conical bore
Under, bottom surface upward, conical bore and cylindrical hole coaxial line arrangement, conical bore, cylindrical hole also with 4 coaxial line of countershaft arrange；Cylindrical hole
End face it is identical as the bottom surface of conical bore, the opening of cylindrical hole is overlapped with the opening portion of the second countershaft outage 43.Using upper
That states shape gets rid of oily blind hole 44, gets rid of the refrigerator oil that oily blind hole 44 is thrown away, and gets rid of oily height, apart from moderate.More preferably, cylindrical hole
Height is 1mm, and the basal diameter of conical bore is 10mm, and the opening angle of conical bore is formed along the axis cutting conical bore of conical bore
It it is 120 °, the oily line height of reduction shortens oily line and sprays distance, avoids the oily line excessive height of refrigerator oil, sprays apart from mistake
Far, it splashes to avoid refrigerator oil and is sucked from air suction silencer entrance 8.
As shown in figure 4, by the compressor crank shaft assembly movement of the improvement oil drain quantity of the present embodiment, (movement includes mainly Fig. 4
In with crankshaft straight be hinged with the parts matched), refill in the machine lower casing 9 being assigned in Fig. 5 and continue assembly machine upper casing etc. other zero
Part constitutes compressor.After the compressor crank shaft of the improvement oil drain quantity of the present embodiment is installed on compressor, through bent axle oil extraction, bent axle
End get rid of oil can respectively rub to movement it is secondary carry out good lubrication, the secondary clast of each friction is taken away, to movement, cylinder block 7 and gas
Cylinder head 6 in cylinder seat is well cooled down；On the basis of above-mentioned good lubrication, cooling, the oily blind hole 44 of getting rid of of bent axle end is got rid of
Oil gets rid of oily height, apart from moderate, avoids refrigerator oil from splashing, reduce from air suction silencer entrance 8 and suck refrigerator oil mass, with
The oil drain quantity for improving compressor avoids compressor cold from declining, refrigeration system blocking, keeps compressor operating stable, reliable.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made in the essential scope of the present invention should also belong to the present invention's
Protection domain.
Claims (10)
1. a kind of compressor crank shaft improving oil drain quantity, it is characterised in that：Including sequentially connected main shaft, eccentric shaft and countershaft,
Main shaft and countershaft coaxial line are arranged, are offered inside main shaft and are offered inside the axial arranged main shaft oil duct of main shaft, eccentric shaft
The eccentric slinger axial arranged along eccentric shaft offers inside countershaft along the axial arranged countershaft oil duct of countershaft, main shaft oil duct,
Eccentric slinger is connected to countershaft oil duct three, and main shaft side offers the main shaft outage being connected to main shaft oil duct, eccentric shaft
Side offers the eccentric shaft outage being connected to eccentric slinger, and it is secondary that countershaft side offers first be connected to countershaft oil duct
Axis outage, countershaft top and offers the second countershaft outage in countershaft oil duct terminal position, and countershaft top, which offers, gets rid of oil
The opening of blind hole, the second countershaft outage is overlapped with the opening portion for getting rid of oily blind hole.
2. the compressor crank shaft according to claim 1 for improving oil drain quantity, it is characterised in that：The shape for getting rid of oily blind hole
Limited by the conical bore of lower section and the cylindrical hole of top, the vertex of conical bore downward, bottom surface upward, conical bore and cylindrical hole
Coaxial line arranges that the end face of cylindrical hole is identical as the bottom surface of conical bore, the opening of the opening and the second countershaft outage of cylindrical hole
It partially overlaps.
3. the compressor crank shaft according to claim 2 for improving oil drain quantity, it is characterised in that：Conical bore, cylindrical hole also with
Countershaft coaxial line is arranged.
4. the compressor crank shaft according to claim 2 or 3 for improving oil drain quantity, it is characterised in that：The height of cylindrical hole is
The basal diameter of 1mm, conical bore are 10mm, and the opening angle that conical bore is formed along the axis cutting conical bore of conical bore is
120°。
5. the compressor crank shaft according to claim 1 for improving oil drain quantity, it is characterised in that：The side of main shaft offer with
The oil-way of main shaft outage connection.
6. the compressor crank shaft according to claim 5 for improving oil drain quantity, it is characterised in that：The oil-way is along main shaft
Axial screw arrangement.
7. the compressor crank shaft according to claim 1 for improving oil drain quantity, it is characterised in that：Main shaft oil duct and main shaft are coaxial
Line arranges that eccentric slinger is arranged with countershaft oil duct coaxial line and deviates layshaft axis.
8. the compressor crank shaft according to claim 7 for improving oil drain quantity, it is characterised in that：Eccentric slinger and countershaft oil
The internal diameter in road is identical, and the internal diameter of eccentric slinger is less than the internal diameter of main shaft oil duct.
9. the compressor crank shaft according to claim 1 for improving oil drain quantity, it is characterised in that：Improve the compressor of oil drain quantity
Bent axle further includes balance weight, and balance weight is located at the opposite side of eccentric shaft.
10. a kind of compressor, which is characterized in that the compressor for improving oil drain quantity including claim 1 to 9 any one of them is bent
Axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810429206.4A CN108443115B (en) | 2018-05-08 | 2018-05-08 | Compressor crankshaft and compressor for improving oil discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810429206.4A CN108443115B (en) | 2018-05-08 | 2018-05-08 | Compressor crankshaft and compressor for improving oil discharge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108443115A true CN108443115A (en) | 2018-08-24 |
| CN108443115B CN108443115B (en) | 2023-08-15 |
Family
ID=63202474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810429206.4A Active CN108443115B (en) | 2018-05-08 | 2018-05-08 | Compressor crankshaft and compressor for improving oil discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443115B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0942154A (en) * | 1995-07-28 | 1997-02-10 | Matsushita Refrig Co Ltd | Enclosed compressor |
| JP2003293953A (en) * | 2002-04-04 | 2003-10-15 | Toshiba Kyaria Kk | Reciprocating hermetic motor compressor |
| CN201165958Y (en) * | 2007-12-20 | 2008-12-17 | 广州冷机股份有限公司 | Crankshaft structure of compressor for refrigeration |
| CN201474913U (en) * | 2009-07-30 | 2010-05-19 | 徐洲 | Crankshaft structure of refrigerator compressor |
| US20100158711A1 (en) * | 2006-11-13 | 2010-06-24 | Matsushita Electric Industrial Co., Ltd. | Compressor |
| CN202718834U (en) * | 2012-06-13 | 2013-02-06 | 杭州钱江压缩机有限公司 | Crankshaft of compressor |
| CN203404045U (en) * | 2013-07-12 | 2014-01-22 | 安徽美芝制冷设备有限公司 | Crankshaft for large-size compressor |
| CN104819127A (en) * | 2015-05-12 | 2015-08-05 | 安徽美芝制冷设备有限公司 | Crankshaft for piston compressor and piston compressor with the same |
| CN105041610A (en) * | 2015-07-07 | 2015-11-11 | 安徽美芝制冷设备有限公司 | Crankshaft, crankshaft assembly with same and piston compressor |
| CN208236602U (en) * | 2018-05-08 | 2018-12-14 | 青岛万宝压缩机有限公司 | Improve the compressor crank shaft and compressor of oil drain quantity |
-
2018
- 2018-05-08 CN CN201810429206.4A patent/CN108443115B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0942154A (en) * | 1995-07-28 | 1997-02-10 | Matsushita Refrig Co Ltd | Enclosed compressor |
| JP2003293953A (en) * | 2002-04-04 | 2003-10-15 | Toshiba Kyaria Kk | Reciprocating hermetic motor compressor |
| US20100158711A1 (en) * | 2006-11-13 | 2010-06-24 | Matsushita Electric Industrial Co., Ltd. | Compressor |
| CN201165958Y (en) * | 2007-12-20 | 2008-12-17 | 广州冷机股份有限公司 | Crankshaft structure of compressor for refrigeration |
| CN201474913U (en) * | 2009-07-30 | 2010-05-19 | 徐洲 | Crankshaft structure of refrigerator compressor |
| CN202718834U (en) * | 2012-06-13 | 2013-02-06 | 杭州钱江压缩机有限公司 | Crankshaft of compressor |
| CN203404045U (en) * | 2013-07-12 | 2014-01-22 | 安徽美芝制冷设备有限公司 | Crankshaft for large-size compressor |
| CN104819127A (en) * | 2015-05-12 | 2015-08-05 | 安徽美芝制冷设备有限公司 | Crankshaft for piston compressor and piston compressor with the same |
| CN105041610A (en) * | 2015-07-07 | 2015-11-11 | 安徽美芝制冷设备有限公司 | Crankshaft, crankshaft assembly with same and piston compressor |
| CN208236602U (en) * | 2018-05-08 | 2018-12-14 | 青岛万宝压缩机有限公司 | Improve the compressor crank shaft and compressor of oil drain quantity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108443115B (en) | 2023-08-15 |
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