CN106438283B - Crankshaft and compressor - Google Patents
Crankshaft and compressor Download PDFInfo
- Publication number
- CN106438283B CN106438283B CN201610947797.5A CN201610947797A CN106438283B CN 106438283 B CN106438283 B CN 106438283B CN 201610947797 A CN201610947797 A CN 201610947797A CN 106438283 B CN106438283 B CN 106438283B
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- China
- Prior art keywords
- axis
- crankshaft
- long axis
- channel
- oil
- 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
-
- 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
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0238—Hermetic compressors with oil distribution channels
- F04B39/0246—Hermetic compressors with oil distribution channels in the rotating shaft
-
- 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
Abstract
A kind of crankshaft and compressor, belong to compressor accessories field, the crankshaft includes long axis, balance portion and eccentric shaft, long axis is equipped with helical oil groove close to one end outer surface in balance portion, long axis offers the centrifugal channel being connected to helical oil groove, the axis of the centrifugal channel and the axis antarafacial of long axis inside one end far from balance portion.The crankshaft high lubricating effect, long service life, good operation stability when low speed is run.The present invention also provides a kind of compressor using above-mentioned crankshaft, which has the advantages that high lubricating effect when the slow-speed of revolution, reliable for operation, long service life.
Description
Technical field
The present invention relates to compressor components fields, in particular to a kind of crankshaft and compressor.
Background technique
Compressor is the core component of refrigeration system, and working efficiency directly affects the performance of refrigeration system.Compressor
Motor driven crankshafts rotation is first passed through when work, the crankshaft of rotation drives connecting rod to move back and forth, and the connecting rod of reciprocating motion, which pushes, lives
Plug compresses gas.Crankshaft is prone to wear in long-time rotary course, it is therefore desirable to effectively be lubricated it.
Existing compressor is as depicted in figs. 1 and 2 with crankshaft 001 comprising long axis 011, balance portion 012 and eccentric shaft
013, long axis 011 close to balance portion 012 one end outer surface be equipped with helical oil groove 014, long axis 011 far from balance portion 012 one
End is internal to offer the centrifugal channel 015 being connected to helical oil groove 014, and the axis of centrifugal channel 015 and long axis 011 is located at together
One plane.Lubricating oil promotion is mainly arrived the centrifugal force that lubricating oil generates using centrifugal channel 015 when rotation by the crankshaft 010
At helical oil groove 014, and it is transported at the surrounding and other moving components of crankshaft 001 and is lubricated, but at 001 low turn of crankshaft
When speed operation, the centrifugal force that centrifugal channel 015 generates lubricating oil is smaller, it is difficult to promote lubricating oil into helical oil groove 014
Crankshaft 001 is lubricated, 001 Fast Wearing of crankshaft is be easy to cause, to reduce the service life of crankshaft 001, influences pressure
The long-time stable of contracting machine uses.
Summary of the invention
The purpose of the present invention is to provide a kind of crankshaft, still there is preferable lubricant effect in low speed rotation, and makes
It is long with the service life.
Another object of the present invention is to provide a kind of compressors with above-mentioned crankshaft, and effect is lubricated when with the slow-speed of revolution
The advantages of fruit is good, reliable for operation, long service life.
What the embodiment of the present invention was realized in：
A kind of crankshaft comprising sequentially connected long axis, balance portion and eccentric shaft, one end appearance of the long axis close to balance portion
Face is equipped with helical oil groove, and long axis offers the centrifugal channel being connected to helical oil groove inside one end far from balance portion, centrifugation is logical
The axis in road and the axis antarafacial of long axis.
In preferred embodiments of the present invention, the oily channel of shovel is additionally provided in above-mentioned long axis, the both ends for shoveling oily channel connect respectively
Logical helical oil groove and centrifugal channel.
In preferred embodiments of the present invention, angle between the axis in above-mentioned shovel oil channel and the axis of long axis be greater than from
Angle between the axis in heart channel and the axis of long axis.
In preferred embodiments of the present invention, the outer surface of above-mentioned long axis offers the first oil outlet, shovel oily channel and from
Heart channel is connected to the first oil outlet respectively.
In preferred embodiments of the present invention, one end that above-mentioned centrifugal channel is connect with the first oil outlet is equipped with diameter gradually
Reduced slot portion.
In preferred embodiments of the present invention, the axis in above-mentioned shovel oil channel and the axis of centrifugal channel are different surface beeline.
In preferred embodiments of the present invention, the outer surface of above-mentioned long axis offers the second oil outlet, helical oil groove and shovel
Oily channel is connected to the second oil outlet respectively.
In preferred embodiments of the present invention, above-mentioned balance portion is equipped with the balance oil hole being connected to the second oil outlet.
In preferred embodiments of the present invention, it is fuel-displaced that the outer surface of above-mentioned long axis offers the third being connected to helical oil groove
Hole, eccentric shaft are equipped with the eccentric oilhole being connected to third oil outlet.
The present invention also provides a kind of compressors with above-mentioned crankshaft.
The beneficial effect of the embodiment of the present invention is：Crankshaft provided by the invention includes long axis, balance portion and eccentric shaft, long axis
It is equipped with helical oil groove close to one end outer surface in balance portion, long axis offers inside one end far from balance portion to be connected with helical oil groove
Logical centrifugal channel, the axis of the centrifugal channel and the axis antarafacial of long axis, the axis of the centrifugal channel and the rotation side of long axis
To out of plumb, to improve the centrifugal force that lubricating oil in centrifugal channel is subject to, the low speed pumping ability of crankshaft is improved.This hair
It is bright to additionally provide the compressor with above-mentioned crankshaft, the compressor have the slow-speed of revolution when high lubricating effect, it is reliable for operation, use the longevity
Order long advantage.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram at the first visual angle of existing crankshaft for refrigeration compressor；
Fig. 2 is the structural schematic diagram at the second visual angle of existing crankshaft for refrigeration compressor；
Fig. 3 is the structural schematic diagram at the first visual angle of the crankshaft that the embodiment of the present invention 1 provides；
Fig. 4 is the structural schematic diagram at the second visual angle of the crankshaft that the embodiment of the present invention 1 provides；
Fig. 5 is the structural schematic diagram at the first visual angle of the crankshaft that the embodiment of the present invention 2 provides；
Fig. 6 is the structural schematic diagram at the second visual angle of the crankshaft that the embodiment of the present invention 2 provides；
Fig. 7 is the structural schematic diagram at the third visual angle for the crankshaft that the embodiment of the present invention 2 provides；
Fig. 8 is the cross-sectional view for the compressor that the embodiment of the present invention 3 provides.
In figure：001- crankshaft；011- long axis；012- balance portion；013- eccentric shaft；014- helical oil groove；015- centrifugation is logical
Road；002- crankshaft；003- crankshaft；004- compressor；100- long axis；110- helical oil groove；120- centrifugal channel；121- slot
Portion；130- shovels oily channel；The first oil outlet of 140-；The second oil outlet of 150-；160- third oil outlet；200- balance portion；210-
Balance oil hole；300- eccentric shaft；310- bias oilhole；400- shell；500- motor；600- connecting rod；700- cylinder；800- is living
Plug.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " connection " is answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
Embodiment 1
As shown in Figure 3 and Figure 4, the present embodiment provides a kind of crankshafts 002 comprising sequentially connected long axis 100, balance portion
200 and eccentric shaft 300, long axis 100 is equipped with helical oil groove 110 close to one end outer surface in balance portion 200, and long axis 100 is far from flat
The centrifugal channel 120 being connected to helical oil groove 110, the axis and long axis of centrifugal channel 120 are offered inside the one end in weighing apparatus portion 200
100 axis is different surface beeline.
Crankshaft 002 provided in this embodiment offers centrifugal channel inside the one end of long axis 100 far from balance portion 200
120, the axis antarafacial of the axis of the centrifugal channel 120 and long axis 100 is arranged, when long axis 100 is around its axis (i.e. crankshaft 002
Rotation central axis line) rotation when, it is bigger can to give its internal lubricating oil for non-coplanar centrifugal channel 120 with rotation central axis line
Centrifugal force, thus make the lubricating oil in centrifugal channel 120 by biggish promotion component, it can be in 002 low speed rotation of crankshaft
Also can normal pump oil go forward side by side one by lubricating oil out of centrifugal channel 120 is transported to that 100 surface of long axis is arranged helical oil groove 110
The motive position that step is transported to crankshaft 002 is lubricated, and the abrasion of crankshaft 002 is avoided to reduce its service life.
Embodiment 2
As shown in Fig. 5, Fig. 6 and Fig. 7, the present embodiment provides a kind of crankshafts 003 comprising sequentially connected long axis 100 is put down
Weighing apparatus portion 200 and eccentric shaft 300, long axis 100 is equipped with helical oil groove 110 close to one end outer surface in balance portion 200, in long axis 100
It is successively arranged the oily channel 130 of shovel and centrifugal channel 120, the oily channel 130 of helical oil groove 110, shovel and centrifugal channel 120 sequentially connect
It is logical：One end of centrifugal channel 120 is connected to end surface of the long axis 100 far from balance portion 200, and the other end of centrifugal channel 120 connects
It is logical to shovel oily channel 130, it shovels the one end of oily channel 130 far from centrifugal channel 120 and is connected to helical oil groove 110, and shovel oily channel 130
Angle between 100 axis of axis and long axis is greater than the angle between 100 axis of 120 axis of centrifugal channel and long axis, and centrifugation is logical
The axis in road 120 and the axis of long axis 100 are different surface beeline.
Crankshaft 003 provided in this embodiment delivers lubricating oil to crankshaft by centrifugal channel 120 and the oily channel 130 of shovel
At the helical oil groove 110 of 003 surface setting.When lubricating oil level is in centrifugal channel 120, centrifugal channel 120 is given when rotating
The radial centrifugal force of lubricating oil can resolve into the motive force along 100 axis direction of long axis, and perpendicular to 120 inner wall of centrifugal channel
Component；When centrifugal channel 120 is promoted lubricating oil using centrifugal force and is transported to shovel oil channel 130, shovels oily channel 130 and give
The radial centrifugal force for giving lubricating oil can equally resolve into the lifting force along 100 axis direction of long axis, and perpendicular to the oily channel of shovel
The component of 130 inner walls, due to the angle shoveled between oily 130 axis of channel and 100 axis of long axis be greater than 120 axis of centrifugal channel with
Angle between 100 axis of long axis makes the lubricating oil entered in the oily channel 130 of shovel be greater than lubricating oil in centrifugal channel by component
The component being subject in 120 promotes lubricating oil along shoveling the oily flowing of channel 130 and entering in helical oil groove 110, makes crankshaft 003 low
It can also be delivered lubricating oil in helical oil groove 110 when speed rotation, improve the lubrication and wear-resistant when the operation of 003 low speed of crankshaft
Ability.
As shown in fig. 7, the axis of the axis and long axis 100 that shovel oily channel 130 is different surface beeline.Shovel the axis in oily channel 130
When the axis of line and long axis 100 is different surface beeline, the centrifugal force being subject to when lubricating oil is rotated with the oily channel 130 of shovel can be improved,
To improve the raising efficiency of lubricating oil.
As shown in Figure 5 and Figure 6, the outer surface of long axis 100 offers the first oil outlet 140, shovels oily channel 130 and centrifugation is logical
Road 120 is connected to the first oil outlet 140 respectively.Specifically, first oil outlet 140, which is located at, shovels oily channel 130 and centrifugal channel
Between 120, and the first oil outlet 140 is along the radial direction arrangement of long axis 100.Opened up on long axis 100 respectively with shovel oily channel 130 and
The first oil outlet 140 that centrifugal channel 120 is connected to, can make the gas being mixed in lubricating oil as parts of lubricating oil is discharged,
It avoids delivering gas to other motive positions of crankshaft 003 and reduces lubricant effect, while when the revolving speed of crankshaft 003 is lower
When, the parts of lubricating oil promoted via centrifugal channel 120 can enter the first oil outlet 140, then shoveled oily channel 130 and shoveled into simultaneously
It is transported at helical oil groove 110, improves the pump oil efficiency for shoveling oily channel 130.
One end that centrifugal channel 120 is connect with the first oil outlet 140 is equipped with the slot portion 121 that diameter is gradually reduced.From
Slot portion 121 is arranged in one end that heart channel 120 is connect with the first oil outlet 140, can be improved in centrifugal channel 120 lubricating oil into
Enter the pressure of the first oil outlet 140, promotes lubricating oil to enter the first oil outlet 140 out of centrifugal channel 120, avoid in crankshaft
Lubricating oil flows back in centrifugal channel 120 out of first oil outlet 140 when 003 low speed rotation.
The axis of the axis and centrifugal channel 120 that shovel oily channel 130 is different surface beeline.Shovel oily channel 130 and centrifugal channel
120 are connected to the first oil outlet 140 respectively, and shovel oily channel 130 and 120 antarafacial of centrifugal channel arrangement, when the rotation of crankshaft 003
When speed is lower, return firstly to be saved in the first oil outlet 140 from the lubricating oil to flow back in oily channel 130 is shoveled, thus
It avoids shoveling lubricating oil in oily channel 130 and flows backwards return centrifugal channel 120 from the first oil outlet 140.
As shown in Figure 5 and Figure 6, the outer surface of long axis 100 offers the second oil outlet 150, and helical oil groove 110 and shovel oil are logical
Road 130 is connected to the second oil outlet 150 respectively.Specifically, second oil outlet 150 is located at helical oil groove 110 and shovels oily channel
Between 130, the one end of helical oil groove 110 far from balance portion 200 is connected to the second oil outlet 150, shovels oily channel 130 far from centrifugation
The one end in channel 120 is connected to the second oil outlet 150, radial direction arrangement of first oil outlet 140 along long axis 100.In long axis 100
On open up respectively with helical oil groove 110 and shovel the second oil outlet 150 that oily channel 130 is connected to, can further remove and be mixed in
Gas in lubricating oil avoids other motive positions for delivering gas to crankshaft 003 and reduces lubricant effect, while working as crankshaft
When 003 revolving speed is lower, the second oil outlet 150 can be entered via the parts of lubricating oil that oily channel 130 is promoted is shoveled, then pass through spiral shell
Rotation oil groove 110 is transported to other motive positions of crankshaft 003.
As shown in Figure 5 and Figure 6, balance portion 200 is equipped with the balance oil hole 210 being connected to the second oil outlet 150.Specifically,
Balance portion 200 offers balance oil hole 210 far from a side surface of long axis 100, and the balance oil hole 210 is by being set to long axis 100
Interior oil duct is connected to the second oil outlet 150, and the balance oil hole 210 that balance portion 200 is arranged can be fuel-displaced from second by lubricating oil
It is drawn out at balance portion 200 and sprays at hole 150, the motive position near balance portion 200 is lubricated, reduce balance portion 200
The friction being subject to when rotating with crankshaft 003 improves the service life of crankshaft 003.
As shown in Figure 5 and Figure 6, the outer surface of long axis 100 offers the third oil outlet 160 being connected to helical oil groove 110,
Eccentric shaft 300 is equipped with the eccentric oilhole 310 being connected to third oil outlet 160.Specifically, the third oil outlet 160 is set to long axis
100 are connected to close to the one end in balance portion 200 with third oil outlet 160 close to the one end in balance portion 200, helical oil groove 110, eccentric
300 surface of axis is equipped with eccentric oilhole 310, which passes through oil duct in balance portion 200 and long axis 100 and the
The connection of three oil outlets 160, and the third oil outlet 160 is along the radial direction arrangement of long axis 100.
Lubricating oil can be drawn out to eccentric shaft from third oil outlet 160 by the eccentric oilhole 310 that eccentric shaft 300 is arranged
At 300 spray, the motive position near eccentric shaft 300 is lubricated, reduce eccentric shaft 300 with crankshaft 003 rotate when by
Friction, improve crankshaft 003 service life.
Embodiment 3
As shown in figure 8, present embodiments providing a kind of compressor for refrigeration 004, which includes shell 400,
And it is set to motor 500 in shell 400, crankshaft 002, the connecting rod 600, cylinder 700 that embodiment 1 provides.Wherein, motor
500 connect with crankshaft 002, and motor 500 drives crankshaft 002 to rotate, and on crankshaft 002, the other end protrudes into an end cap of connecting rod 600
It in cylinder 700, and is connect with the piston 800 in cylinder 700, crankshaft 002 is vertical with connecting rod 600.Set is driven when crankshaft 002 rotates
Connecting rod 600 on crankshaft 002 moves in a circle, and band piston 800 moves back and forth connecting rod 600 along cylinder 700 again.The compressor
004 have the advantages that low speed operation when part greasy property it is good, operational reliability is high, long service life.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of crankshaft comprising sequentially connected long axis, balance portion and eccentric shaft, the long axis close to the balance portion one
Outer surface is held to be equipped with helical oil groove, the long axis is offered inside one end far from the balance portion and is connected to the helical oil groove
Centrifugal channel, which is characterized in that the axis antarafacial of the axis of the centrifugal channel and the long axis.
2. crankshaft according to claim 1, which is characterized in that be additionally provided with the oily channel of shovel in the long axis, the shovel oil is logical
The both ends in road are respectively communicated with the helical oil groove and the centrifugal channel.
3. crankshaft according to claim 2, which is characterized in that the axis of the axis for shoveling oily channel and the long axis it
Between angle be greater than the centrifugal channel axis and the long axis axis between angle.
4. crankshaft according to claim 2, which is characterized in that the outer surface of the long axis offers the first oil outlet, institute
It states the oily channel of shovel and the centrifugal channel is connected to first oil outlet respectively.
5. crankshaft according to claim 4, which is characterized in that the centrifugal channel connect with first oil outlet one
End is equipped with the slot portion that diameter is gradually reduced.
6. crankshaft according to claim 4, which is characterized in that the axis of the axis for shoveling oily channel and the centrifugal channel
Line is different surface beeline.
7. crankshaft according to claim 2, which is characterized in that the outer surface of the long axis offers the second oil outlet, institute
It states helical oil groove and the oily channel of the shovel is connected to second oil outlet respectively.
8. crankshaft according to claim 7, which is characterized in that the balance portion is equipped with and is connected to second oil outlet
Balance oil hole.
9. crankshaft according to claim 1, which is characterized in that the outer surface of the long axis offers and the helical oil groove
The third oil outlet of connection, the eccentric shaft are equipped with the eccentric oilhole being connected to the third oil outlet.
10. a kind of compressor, which is characterized in that it is with crankshaft as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947797.5A CN106438283B (en) | 2016-10-26 | 2016-10-26 | Crankshaft and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947797.5A CN106438283B (en) | 2016-10-26 | 2016-10-26 | Crankshaft and compressor |
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| Publication Number | Publication Date |
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| CN106438283A CN106438283A (en) | 2017-02-22 |
| CN106438283B true CN106438283B (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610947797.5A Active CN106438283B (en) | 2016-10-26 | 2016-10-26 | Crankshaft and compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3995696A1 (en) * | 2020-11-06 | 2022-05-11 | LG Electronics Inc. | Hermetic compressor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953115A (en) * | 2018-09-27 | 2018-12-07 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of atomized lubrication device, crankshaft, compressor and refrigerator |
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|---|---|---|---|---|
| CN202370792U (en) * | 2011-12-05 | 2012-08-08 | 黄石东贝电器股份有限公司 | Crankshaft applied to refrigeration compressor |
| CN102926974A (en) * | 2012-10-29 | 2013-02-13 | 江苏白雪电器股份有限公司 | Sealing crankshaft |
| CN105041618A (en) * | 2015-08-27 | 2015-11-11 | 黄石东贝电器股份有限公司 | Novel crankshaft of refrigeration compressor |
| CN206129532U (en) * | 2016-10-26 | 2017-04-26 | 黄石东贝电器股份有限公司 | Crankshaft and compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009068386A (en) * | 2007-09-12 | 2009-04-02 | Panasonic Corp | Hermetic compressor |
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- 2016-10-26 CN CN201610947797.5A patent/CN106438283B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202370792U (en) * | 2011-12-05 | 2012-08-08 | 黄石东贝电器股份有限公司 | Crankshaft applied to refrigeration compressor |
| CN102926974A (en) * | 2012-10-29 | 2013-02-13 | 江苏白雪电器股份有限公司 | Sealing crankshaft |
| CN105041618A (en) * | 2015-08-27 | 2015-11-11 | 黄石东贝电器股份有限公司 | Novel crankshaft of refrigeration compressor |
| CN206129532U (en) * | 2016-10-26 | 2017-04-26 | 黄石东贝电器股份有限公司 | Crankshaft and compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3995696A1 (en) * | 2020-11-06 | 2022-05-11 | LG Electronics Inc. | Hermetic compressor |
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| Publication number | Publication date |
|---|---|
| CN106438283A (en) | 2017-02-22 |
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Effective date of registration: 20210618 Address after: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province 435100 Patentee before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |