CN106593877B - Crankshaft and compressor - Google Patents
Crankshaft and compressor Download PDFInfo
- Publication number
- CN106593877B CN106593877B CN201710037287.9A CN201710037287A CN106593877B CN 106593877 B CN106593877 B CN 106593877B CN 201710037287 A CN201710037287 A CN 201710037287A CN 106593877 B CN106593877 B CN 106593877B
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- China
- Prior art keywords
- gas channel
- axle portion
- crankshaft
- short axle
- eccentric
- 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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- 230000004323 axial length Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 10
- 238000005461 lubrication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008569 process 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/023—Lubricant distribution through a hollow driving shaft
-
- 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
- F04C29/04—Heating; Cooling; Heat insulation
-
- 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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
- F16C3/14—Features relating to lubrication
-
- 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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
- F16C3/16—Features relating to cooling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention relates to a crankshaft and a compressor, and relates to the technical field of compressors. The main technical scheme adopted is as follows: a crankshaft includes a main shaft portion and an eccentric portion. Wherein, the main shaft is provided with a first oil-gas channel; the eccentric part is connected with the main shaft part, and a second oil-gas channel communicated with the first oil-gas channel is arranged on the eccentric part; when the compressor works, the second oil-gas channel is used for guiding oil gas to a gap between the eccentric part and the movable disc bearing and a stress area of the eccentric sleeve. A compressor comprises the crankshaft. The oil-gas guide device is mainly used for leading oil gas to a stress area of the eccentric sleeve by the second oil-gas channel on the crankshaft so as to improve the lubricating and cooling effects of the stress area of the eccentric sleeve and finally improve the use reliability of the compressor.
Description
Technical field
The present invention relates to Compressor Technology fields, more particularly to a kind of crankshaft and compressor.
Background technique
As shown in Figure 1, the power of the existing screw compressor using cross slip-ring structure is derived from motor driven, motor will be moved
Power is transmitted to crankshaft 11, and the eccentric part driving Moving plate 14 of 11 arranged off-centre of crankshaft, crankshaft 11 revolves around main-shaft core, makes Moving plate
14 and quiet disk engagement realize closing swept volume cyclically-varying, and then realize gas sucking, compression and discharge.Therefore,
Crankshaft 11 is one of main component of screw compressor, and working condition directly affects the stability of screw compressor.
In the course of work of screw compressor, the eccentric part stress of crankshaft 11 is larger.The prior art is generallyd use dynamic
On disk 14 increase bearing 13, at the eccentric position of crankshaft 11 increase eccentric bushing 12 method, the eccentric part of Lai Gaishan crankshaft 11
Abrasion between Moving plate 14.
But the inventors found that above-mentioned improved between 11 Moving plate 14 of crankshaft using eccentric bushing 12 and bearing 13
Abrasion method exists following insufficient: the opposite contact wear between crankshaft 11 and Moving plate 14 is converted into eccentric bushing 12 by the above method
With the abrasion of bearing 13, especially eccentric bushing 12, since eccentric bushing 12 is unable to rotation relative to crankshaft 11, stress area continues
Front half section in direction of rotation causes 12 eccentric wear of eccentric bushing etc. abnormal, to reduce the reliability that screw compressor uses.Separately
Outside, the exit airflow direction of gas channel 111, cannot be well to bias towards the outside of eccentric bushing 12 in existing crankshaft 11
The outer circle of set 12 is lubricated, cools down, and therefore, eccentric bushing stress surface, which is easily worn, even to be damaged.
Summary of the invention
In view of this, the present invention provides a kind of crankshaft and compressor, main purpose are that crankshaft is enable to be drained to oil gas
The stress area of eccentric bushing improves lubrication, the cooling effect of eccentric bushing stress area, reduces between eccentric bushing and Moving plate bearing
Abrasion.
In order to achieve the above objectives, present invention generally provides following technical solutions:
On the one hand, the embodiment of the present invention provides a kind of crankshaft, on the compressor, wherein the crankshaft includes:
Main shaft part, the main shaft part are equipped with the first gas channel；
Eccentric part, the eccentric part are connect with the main shaft part, and the eccentric part is equipped with and leads to first oil gas
Second gas channel of road connection；
Wherein, when the compressor is operated, second gas channel is used to oil gas being drained to the eccentric part and Moving plate
The stress area of gap location and eccentric bushing between bearing.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, the eccentric part has the first end and second end being oppositely arranged；Wherein,
The first end of the eccentric part is connect with the main shaft part；
The outlet of second gas channel is arranged on the end face of the second end.
Preferably, the outlet of second gas channel is positioned close to the center position of the second end end face.
Preferably, second gas channel and the axis of the main shaft part are in set angle α；Wherein, 90 ° of 0 °≤α <.
Preferably, the diameter of second gas channel is less than the diameter of first gas channel.
Preferably, the main shaft part includes long axle portion and short axle portion；Wherein,
The long axle portion and the coaxial arrangement of short axle portion, and the axial length of the long axle portion is greater than the axial direction in the short axle portion
Length；
The short axle portion has the first end and second end being oppositely arranged；Wherein, the first end in the short axle portion with it is described
One end of long axle portion connects, and the second end in the short axle portion is connect with the eccentric part.
Preferably, the diameter in the short axle portion is greater than the diameter of the long axle portion；The diameter in the short axle portion is greater than described
The diameter of eccentric part.
Preferably, the third gas channel being connected to first gas channel is provided in the short axle portion；Wherein, institute
The outlet for stating third gas channel is arranged on the end face of short axle portion second end.
Preferably, first gas channel has first end；Wherein,
The first end of first gas channel is located in the short axle portion, and the first end of first gas channel with
There are set distance L for the end face of short axle portion second end；Wherein, 0 < L；
The 4th gas channel for being connected to the first gas channel and the second gas channel is opened up in the short axle portion.
Preferably, the diameter of the 4th gas channel is consistent with the diameter of the second gas channel.
On the other hand, the embodiment of the present invention provides a kind of compressor, wherein the compressor includes: any of the above-described
The crankshaft.
Compared with prior art, crankshaft of the invention and compressor at least have it is following the utility model has the advantages that
Crankshaft provided in an embodiment of the present invention is drained to eccentric bushing by increasing by a gas channel on eccentric part, by oil gas
Stress area, lubrication, cooling effect so as to improve eccentric bushing stress area make opposite between eccentric bushing and Moving plate bearing
Moving surface lubricates more evenly, sufficiently, reduces the abrasion between eccentric bushing and Moving plate bearing, and final raising compressor uses reliable
Property.
Further, crankshaft provided in an embodiment of the present invention is by being arranged in eccentric part second end for the second gas channel
On end face, oil gas is set uniformly to circulate around along eccentric part second end end face, oil gas is drained between crankshaft and Moving plate bearing
Gap location, then the surrounding to eccentric bushing that flows back, to effectively reduce the abrasion between eccentric bushing and Moving plate bearing and improve inclined
The heart covers the cooling effect of stress area, improves the reliability that compressor uses.
Further, the main shaft part in crankshaft provided in an embodiment of the present invention includes long axle portion and short axle portion；Wherein, first
There are set distance L between the first end of gas channel and the second end end face in short axle portion, it is provided for ensuring that main shaft part in this way
Intensity, and then ensure the intensity of crankshaft.
On the other hand, the embodiment of the present invention also provides a kind of compressor, and compressor includes crankshaft described in any of the above embodiments；
Therefore, compressor provided in an embodiment of the present invention has beneficial effect described in any of the above embodiments, will not repeat them here.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing screw compressor；
Fig. 2 is a kind of structural schematic diagram for crankshaft that the embodiment of the present invention provides；
Fig. 3 is a kind of structural schematic diagram for screw compressor that the embodiment of the present invention provides；
Fig. 4 is the enlarged drawing of crankshaft and Moving plate junction in screw compressor described in Fig. 3.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Specific embodiment, structure, feature and its effect applied according to the present invention is described in detail such as in attached drawing and preferred embodiment
Afterwards.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily the same embodiment.In addition, one or more
Special characteristic, structure or feature in a embodiment can be combined by any suitable form.
Embodiment 1
The present embodiment provides a kind of crankshafts, and the crankshaft is on the compressor.Specifically, as shown in Fig. 2, in the present embodiment
Crankshaft includes main shaft part 20 and eccentric part 23 (here, the axis of eccentric part 23 and the axis of main shaft part 20 be not coaxial).Main shaft part
The first gas channel 211 is provided on 20.Eccentric part 23 is connect with main shaft part 20.Wherein, eccentric part 23 is equipped with and the first oil
The second gas channel 231 that gas channel 211 is connected to.Wherein, when the crankshaft in the present embodiment is used on the compressor, work as compressor
When work, gap location and eccentric bushing of second gas channel 231 for being drained to oil gas between crankshaft and Moving plate bearing
Stress area.
Oil gas is led to eccentric bushing by increasing by one second gas channel on eccentric part 23 by crankshaft provided in this embodiment
Stress area, lubrication, cooling effect so as to improve eccentric bushing stress area make opposite between eccentric bushing and Moving plate bearing
Moving surface lubricates more evenly, sufficiently, reduces the abrasion between eccentric bushing and Moving plate bearing, and final raising compressor uses reliable
Property.
Preferably, the crankshaft in the present embodiment and following embodiments is an integral structure.
Embodiment 2
Preferably, the present embodiment provides a kind of crankshaft, compared with a upper embodiment, as shown in Fig. 2, provided in this embodiment
Eccentric part 23 in crankshaft has a first end and a second end.Wherein, the first end with main shaft part 20 of eccentric part 23 is connect.Second oil
The outlet in gas channel 231 is arranged on the end face of 23 second end of eccentric part.
As shown in Figures 2 to 4, crankshaft provided in this embodiment is by being arranged the second gas channel 231 in eccentric part 23
On the end face of second end, oil gas is made uniformly to circulate around along 23 second end end face of eccentric part, such as the arrow direction in Fig. 4,
Oil gas is drained to the gap location between crankshaft 2 and Moving plate bearing 4 by two gas channels 231, then the surrounding to eccentric bushing 3 that flows back,
Abrasion, cooling effect to be effectively improved between eccentric bushing 3 and Moving plate bearing 4, improve the reliability that compressor uses.
Preferably, the outlet of the second gas channel 231 is positioned close to the position of 23 second end end face center of eccentric part
Place；So that oil gas can uniformly circulate around along the end face of 23 second end of eccentric part.
Preferably, the second gas channel 231 and the axis of main shaft part 20 are in set angle α；Wherein, 90 ° of 0 °≤α <.If
The size for determining angle [alpha] ensures that the second gas channel 231 is located at the middle position of eccentric part 23 as far as possible, to ensure eccentric part 23
Intensity.
Preferably, the diameter of the second gas channel 231 further ensures that bias less than the diameter of the first gas channel 211
The intensity in portion 23.
Embodiment 3
Preferably, the present embodiment provides a kind of crankshafts, compared with above-described embodiment, as shown in Fig. 2, the master in the present embodiment
Axle portion 20 includes long axle portion 21 and short axle portion 22.Wherein, long axle portion 21 and short axle portion 22 are coaxially disposed, and the axial direction of long axle portion 21
Length is greater than the axial length in short axle portion 22.Short axle portion 22 has the first end and second end being oppositely arranged；Wherein, short axle portion 22
First end connect with one end of long axle portion, the second end in short axle portion 22 is connect with eccentric part 23.In addition, the diameter in short axle portion 22
Greater than the diameter of long axle portion 21；The diameter in short axle portion 22 is greater than the diameter of eccentric part 23.
In addition, being provided with the third gas channel 221 being connected to the first gas channel 211 in short axle portion 22；Wherein, described
The outlet of third gas channel 221 is arranged on the end face of 22 second end of short axle portion.Here, third gas channel 221 is used to incite somebody to action
Oil gas is drained on the outside of eccentric bushing.
Embodiment 4
Preferably, the present embodiment provides a kind of crankshafts, compared with Example 3, as shown in Fig. 2, song provided in this embodiment
The first gas channel 211 in axis in main shaft part 20 has first end；Wherein, the first end of the first gas channel 211 is located at short
In axle portion 22, and there are set distance L between the first end of the first gas channel 211 and the second end end face in short axle portion 22；Its
In, 0 < L.
Here, the present embodiment is by making between the first end of the first gas channel 211 and the second end end face in short axle portion 22
There are set distance L, to ensure the intensity of main shaft part 20, and then ensure the intensity of crankshaft.
Preferably, in order to be connected to the second gas channel 231 on eccentric part 23 with the first gas channel 211, short axle portion
The 4th gas channel for being connected to the first gas channel 211 and the second gas channel 231 is provided on 22.Preferably, the
The diameter of four gas channels and the second gas channel 231 is consistent.Preferably, the 4th gas channel and the second gas channel 231
Inclination angle is consistent, easy to process.
Embodiment 5
On the other hand, the present embodiment provides a kind of compressors, wherein the compressor in the present embodiment includes any of the above-described reality
Apply crankshaft described in example.
Preferably, the compressor in the present embodiment is screw compressor.As shown in Figure 3 and Figure 4, the compression in the present embodiment
Machine includes: quiet disk, Moving plate 5, Moving plate bearing 4, crankshaft 2 and eccentric bushing 3.Wherein, the mutually eccentric certain distance of Moving plate 5, quiet disk,
The a certain angle that is staggered is placed together.Multiple enclosed volumes are formed after Moving plate 5, the intermeshing of quiet disk.Eccentric bushing 3 is sleeved on crankshaft
On 2 eccentric part 23, Moving plate bearing 4 is mounted on Moving plate 5, preferably, being sleeved on the position corresponding with eccentric bushing 3 on Moving plate 5
Place is set, the friction between Moving plate 5 and crankshaft 2 is converted into the friction between eccentric bushing 3 and Moving plate crankshaft 4.Specifically, quiet disk
It is fixed on the rack, Moving plate 5 drives (eccentric part of crankshaft 2 drives Moving plate 5) by crankshaft 2, surrounds quiet disk basic circle center, does very little
The plane motion of radius.Gas sucks the periphery of quiet disk by air filtering core, and as crankshaft 2 rotates, gas is engaged in sound disk
It is gradually compressed in composed several crescent compression chambers, is then continuously discharged by the axial hole of quiet disk center's component.
As shown in Figure 3 and Figure 4, compressor provided in this embodiment at work, the second gas channel 231 on crankshaft 2
Oil gas on first gas channel can be drained to the gap location of crankshaft 2 Yu Moving plate bearing 4, then, oil gas is back to bias again
The surrounding of set 3 lubricates eccentric bushing 3 with bearing relative motion face more evenly abundant, to effectively reduce eccentric bushing 3 and Moving plate axis
It holds the abrasion between 4 and improves cooling effect.
In conclusion crankshaft provided in an embodiment of the present invention and compressor on the eccentric part of crankshaft by increasing by an oil gas
Oil gas is led to the stress area of eccentric bushing by channel, and lubrication, cooling effect so as to improve eccentric bushing stress area make bias
Relative motion face lubrication between set and Moving plate bearing more evenly, sufficiently reduces the abrasion between eccentric bushing and Moving plate bearing, most
The reliability that compressor uses is improved eventually.
To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly
It combined, be superimposed by ground.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, according to
According to technical spirit any simple modification, equivalent change and modification to the above embodiments of the invention, this hair is still fallen within
In the range of bright technical solution.
Claims (8)
1. a kind of crankshaft, on the compressor, which is characterized in that the crankshaft includes:
Main shaft part, the main shaft part are equipped with the first gas channel；
Eccentric part, the eccentric part are connect with the main shaft part, and the eccentric part is equipped with and connects with first gas channel
The second logical gas channel；
Wherein, when the compressor is operated, second gas channel is used to oil gas being drained to the eccentric part and Moving plate bearing
Between gap location and eccentric bushing stress area；
Wherein, the main shaft part includes long axle portion and short axle portion；Short axle portion has the first end and second end being oppositely arranged；It is described
The first end in short axle portion is connect with one end of long axle portion, and the second end in short axle portion is connect with eccentric part；The diameter in the short axle portion
Greater than the diameter of the long axle portion；The diameter in the short axle portion is greater than the diameter of the eccentric part；The first gas channel tool
There is first end；The first end of first gas channel is located in short axle portion, and the first end of the first gas channel and short axle portion second
There is the set distance L greater than zero in the end face at end；It is opened up in the short axle portion for being connected to the first gas channel and the second oil gas
4th gas channel in channel；The third gas channel being connected to first gas channel is provided in the short axle portion；Its
In, the outlet of the third gas channel is arranged on the end face of short axle portion second end.
2. crankshaft according to claim 1, which is characterized in that the eccentric part has the first end and second being oppositely arranged
End；Wherein,
The first end of the eccentric part is connect with the main shaft part；
The outlet of second gas channel is arranged on the second end end face of the eccentric part.
3. crankshaft according to claim 2, which is characterized in that the outlet of second gas channel is positioned close to described
The center position of the second end end face of eccentric part.
4. crankshaft according to claim 2, which is characterized in that second gas channel and the axis of the main shaft part are in
Set angle α；Wherein, 90 ° of 0 °≤α <.
5. crankshaft according to claim 1, which is characterized in that the diameter of second gas channel is less than first oil
The diameter in gas channel.
6. crankshaft according to claim 1, which is characterized in that
The long axle portion and the coaxial arrangement of short axle portion, and the axial length of the long axle portion is greater than the axial direction length in the short axle portion
Degree.
7. crankshaft according to claim 1, characteristic are, the diameter and second oil gas of the 4th gas channel
The diameter in channel is consistent.
8. a kind of compressor, which is characterized in that the compressor includes the described in any item crankshafts of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037287.9A CN106593877B (en) | 2017-01-19 | 2017-01-19 | Crankshaft and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037287.9A CN106593877B (en) | 2017-01-19 | 2017-01-19 | Crankshaft and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106593877A CN106593877A (en) | 2017-04-26 |
| CN106593877B true CN106593877B (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710037287.9A Active CN106593877B (en) | 2017-01-19 | 2017-01-19 | Crankshaft and compressor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159530B (en) * | 2019-06-28 | 2020-09-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor and vehicle |
| CN110925399B (en) * | 2019-10-25 | 2020-12-18 | 珠海格力电器股份有限公司 | Crankshaft assembly and RV reducer |
| CN112879304A (en) * | 2021-01-28 | 2021-06-01 | 沈阳纪维应用技术有限公司 | Self-driven cooling device for eccentric main shaft of oil-free scroll vacuum pump and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08303378A (en) * | 1995-05-08 | 1996-11-19 | Mitsubishi Heavy Ind Ltd | Electric compressor |
| CN2616719Y (en) * | 2003-03-31 | 2004-05-19 | 瑞智精密股份有限公司 | Shrink ring structure improvement for scroll type compressor |
| CN102203424A (en) * | 2009-01-30 | 2011-09-28 | 松下电器产业株式会社 | Scroll compressor |
| CN106337872A (en) * | 2016-09-20 | 2017-01-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft oil channel structure and crankshaft and compressor comprising same |
| CN206503714U (en) * | 2017-01-19 | 2017-09-19 | 珠海凌达压缩机有限公司 | Crankshaft and compressor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205297862U (en) * | 2015-11-18 | 2016-06-08 | 玉环制冷设备配件有限公司 | Crank shaft of compressor |
| CN205605429U (en) * | 2016-01-27 | 2016-09-28 | 上海日立电器有限公司 | Automobile -used horizontal scroll compressor |
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2017
- 2017-01-19 CN CN201710037287.9A patent/CN106593877B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08303378A (en) * | 1995-05-08 | 1996-11-19 | Mitsubishi Heavy Ind Ltd | Electric compressor |
| CN2616719Y (en) * | 2003-03-31 | 2004-05-19 | 瑞智精密股份有限公司 | Shrink ring structure improvement for scroll type compressor |
| CN102203424A (en) * | 2009-01-30 | 2011-09-28 | 松下电器产业株式会社 | Scroll compressor |
| CN106337872A (en) * | 2016-09-20 | 2017-01-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft oil channel structure and crankshaft and compressor comprising same |
| CN206503714U (en) * | 2017-01-19 | 2017-09-19 | 珠海凌达压缩机有限公司 | Crankshaft and compressor |
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| Publication number | Publication date |
|---|---|
| CN106593877A (en) | 2017-04-26 |
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