CN106368928A - Connecting rod of compressor, compressor and refrigerator - Google Patents
Connecting rod of compressor, compressor and refrigerator Download PDFInfo
- Publication number
- CN106368928A CN106368928A CN201610891002.3A CN201610891002A CN106368928A CN 106368928 A CN106368928 A CN 106368928A CN 201610891002 A CN201610891002 A CN 201610891002A CN 106368928 A CN106368928 A CN 106368928A
- Authority
- CN
- China
- Prior art keywords
- head
- compressor
- connecting bar
- axis hole
- oil guide
- 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.)
- Granted
Links
- 230000006378 damage Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 39
- 238000005299 abrasion Methods 0.000 description 18
- 238000005461 lubrication Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000007906 compression Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000006835 compression Effects 0.000 description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- 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
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
- F16C7/02—Constructions of connecting-rods with constant length
- F16C7/023—Constructions of connecting-rods with constant length for piston engines, pumps or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention relates to a connecting rod of a compressor, the compressor and a refrigerator, relates to the field of compressors, and mainly aims to reduce wear of the connecting rod of the compressor so as to improve the work efficiency and the reliability of the compressor. The technical scheme which is mainly adopted is as follows: the connecting rod of the compressor comprises a connecting part and a head part which is arranged on the connecting part, wherein the head part is the head part which is matched with a piston pin or the head part which is matched with a crank of a crankshaft, and the head part is provided with a shaft hole which is matched with the corresponding piston pin or the crank of the crankshaft; the wall of the shaft hole has a first region which is a stressed region, on the wall of the shaft hole, of the compressor which inhales; the connecting rod of the compressor further comprises an oil guide tank which is arranged in the first region. As the oil guide tank is arranged in the stressed region, on the wall of the shaft hole, of the compressor which sucks, the wall of the shaft hole is favorably lubricated, so that the wear is reduced; meanwhile, the damage on the contact surface by slotting is reduced, and intensified wear is not caused, so that the work efficiency and the reliability of the compressor are improved.
Description
Technical field
The present invention relates to Compressor Technology field, more particularly to a kind of compressor connecting bar, compressor and refrigerator.
Background technology
At present, the drive mechanism of the reciprocating-piston compressor of refrigerator includes bent axle, compressor connecting bar, piston pin and work
Plug, one end of compressor connecting bar has for the first axis hole with the crank gap cooperation of bent axle, the other end have for work
Second axis hole of plug pin gap cooperation, piston pin is interspersed in piston pin hole and second axis hole of piston, to connect compressor
Connecting rod and piston.Wherein, the effect of compressor connecting bar structure is exactly that the torsion of motor belt motor dynamic crankshaft is passed to piston, promotes and lives
Fill in the reciprocating motion of line period.
Generally, compressor connecting bar structure specifically include that the little head end of compressor connecting bar, compressor connecting bar connector and
Compressor connecting bar stub end, the little head end of compressor connecting bar is used for installing piston pin, to connect piston.Compressor connecting bar connector leads to
Often make the cross section with " work " shape, with meet intensity and and rigidity requirement, simultaneously reduce quality.Compressor connecting bar stub end
It is connected with the crank of bent axle.When compressor works in bringing onto load, due to needing to overcome the resistance to compression pression of gas, compressor is even
Bar two ends subject larger power, between compressor connecting bar stub end and the little head end of crankshaft crank, compressor connecting bar and piston pin
There are rotary motion and the abrasion of high speed.So, it is necessary for making between the little head end of compressor connecting bar and piston pin and compressor
Sufficient lubricating oil supply is kept, to improve and to reduce the abrasion at above-mentioned position between big end end and the crank of bent axle.
In prior art, the little head end of compressor connecting bar structure and stub end all do not have oil groove, and long-play can lead to
Not, rub compressor connecting bar structure lubrication aggravation, and compressor operating efficiency declines, and reliability reduces even inefficacy.For understanding
The certainly inadequate technical problem of compressor connecting bar structure lubrication, as shown in figure 1, in the patent of Publication No. cn203939699u,
The little head end 1 of compressor connecting bar is provided with helicla flute 11 it is intended to improve the lubrication of the little head end of compressor connecting bar 1；As shown in Fig. 2
In the patent of Publication No. cn204082480u, all bore corresponding oilhole in the little head end of compressor connecting bar 1 and stub end 2
11, to improve the lubrication of the little head end of compressor connecting bar 1 and stub end 2.But although passing through to increase oil circuit in above-mentioned patent
Improve the abrasion between the little head end of compressor connecting bar and piston pin and compressor connecting bar stub end and crank, but, also destroy
The little head end of compressor connecting bar and piston pin and compressor connecting bar stub end and the integrity in crank forced contact face, make stress
Groove or hole are occurred on contact surface, in the situation of big load, exacerbate abrasion, compressor operating efficiency equally also can be made to reduce,
Less reliable.
Content of the invention
In view of this, the present invention provides a kind of compressor connecting bar, compressor and refrigerator, and main purpose is to reduce compressor
The abrasion of connecting rod, to improve work efficiency and the reliability of compressor.
For reaching above-mentioned purpose, present invention generally provides following technical scheme:
On the one hand, embodiments of the invention provide a kind of compressor connecting bar, including connecting portion and be arranged on described connection
Head in portion, described head is the head with piston pin cooperation or the head with the crank cooperation of bent axle, and described head has
Axis hole with the crank cooperation of corresponding piston pin or bent axle；
The hole wall of described axis hole has first area, and described first area is being subject on compressor axis hole hole wall in air-breathing
Power region；
Described compressor connecting bar also includes oil guide groove, and described oil guide groove is arranged on described first area.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
In aforesaid compressor connecting bar, optionally, described first area is to be relatively distant from institute on the hole wall of described axis hole
State the region of connecting portion.
In aforesaid compressor connecting bar, optionally, the hole wall of described axis hole is included in circumferential direction with central angle alpha
The first segmental arc, wherein, 0 ＜ α≤180 degree；
Described connecting portion symmetrical centre face symmetrically structure in a longitudinal direction with described first segmental arc；Described first
The opening of segmental arc is towards described connecting portion；
Wherein, described first area includes described first segmental arc, and described oil guide groove is arranged on described first segmental arc.
In aforesaid compressor connecting bar, optionally, described oil guide groove extends to the another of axis hole from one end of described axis hole
One end.
In aforesaid compressor connecting bar, optionally, described oil guide groove is straight trough or the groove extending along helix.
In aforesaid compressor connecting bar, optionally, the shape of the cross section of described oil guide groove is rectangular, trapezoidal or circular arc
Shape.
In aforesaid compressor connecting bar, optionally, the quantity of described head is two, the respectively first head and second
Head, the first head and the second head are mutually privately arranged on the two ends of described connecting portion；Wherein, the axis hole of the first head be used for
Piston pin coordinates, and the axis hole of the second head is used for the crank cooperation with bent axle.
In aforesaid compressor connecting bar, optionally, described connecting portion is in shaft-like, described first head and described second
The diameter parallel of the axis hole in both portions, and the aperture of the axis hole of described first head is less than the hole of the axis hole of described second head
Footpath.
In aforesaid compressor connecting bar, optionally, in the oil guide groove on described first head and described second head
The shape of oil guide groove is different.
In aforesaid compressor connecting bar, optionally, in the oil guide groove on described first head and described second head
The shape of oil guide groove is identical, and is the straight trough axially extending.
On the other hand, embodiments of the invention also provide a kind of compressor, including the compressor described in any of the above-described kind even
Bar.
On the other hand, embodiments of the invention also provide a kind of refrigerator, including the compressor described in any of the above-described kind.
By technique scheme, compressor connecting bar of the present invention, compressor and refrigerator at least have the advantages that
The present invention provide technical scheme in because under bringing onto load operating mode, compressor compression and breathing process in,
Between the head of compressor connecting bar and piston pin or crank except stress of different sizes in addition to, the acting surface of power is also different.In pressure
In the compression of contracting machine and breathing process, the stress area on the axis hole hole wall of compressor connecting bar head and stress size all differ,
And compressor is in breathing process, the active force suffered by stress area on axis hole hole wall is relatively small, therefore in the present invention
In the technical scheme providing, due to the stress area being arranged on oil guide groove on axis hole hole wall during compressor air suction, not only favorably
In the lubrication of axis hole hole wall, reduce abrasion, this region is the less contact surface of stress simultaneously, reduce fluting and contact surface is broken
Bad, it is not result in abrasion aggravation, thus improve work efficiency and the reliability of compressor.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description
Fig. 1 is a kind of cross section view of compressor connecting bar of the prior art；
Fig. 2 is the cross section view of another kind compressor connecting bar of the prior art；
Fig. 3 is a kind of stress diagram of compressor connecting bar that one embodiment of the invention provides；
Fig. 4 is a kind of perspective view of compressor connecting bar that one embodiment of the invention provides；
Fig. 5 is the perspective view of another kind of compressor connecting bar that one embodiment of the invention provides；
Fig. 6 is the top view of another kind of compressor connecting bar that one embodiment of the invention provides；
Fig. 7 is the stress diagram in compressor compresses for a kind of compressor connecting bar that one embodiment of the invention provides；
Fig. 8 is the stress diagram in compressor air suction for a kind of compressor connecting bar that one embodiment of the invention provides；
Fig. 9 is the shape of cross section of the oil guide groove on the head of a kind of compressor connecting bar that one embodiment of the invention provides
Structural representation when rectangular；
Figure 10 is the cross section shape of the oil guide groove on the head of a kind of compressor connecting bar that one embodiment of the invention provides
Structural representation when shape is trapezoidal；
Figure 11 is the cross section shape of the oil guide groove on the head of a kind of compressor connecting bar that one embodiment of the invention provides
Shape is in structural representation during circular arc；
Figure 12 is a kind of cut-away section structural representation of compressor that one embodiment of the invention provides.
Specific embodiment
For further illustrating that the present invention is to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to the specific embodiment of foundation the present patent application, structure, feature and its effect, describe in detail such as
Afterwards.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same embodiment.Additionally, one or many
Special characteristic in individual embodiment, structure or feature can be combined by any suitable form.
As shown in Figures 3 to 6, one embodiment of the present of invention propose a kind of compressor connecting bar 10, including connecting portion 1 with
And it is arranged on head 21 or 22 on connecting portion 1, this head is join with the head 21 of piston pin 4 cooperation or with the crank 5 of bent axle
The head 22 closing.Head has the axis hole 201 with crank 5 cooperation of corresponding piston pin 4 or bent axle, specifically, when head is
During the head 21 coordinating with piston pin 4, then the axis hole 201 of head is used for coordinating with piston pin 4；When head is the crank with bent axle
During the head 22 of 5 cooperations, then the axis hole 201 of head is used for coordinating with the crank 5 of bent axle.Wherein, the hole wall of the axis hole 201 of head
There is first area 2011, this first area 2011 is the stress area on compressor axis hole 201 hole wall in air-breathing.The present invention
Compressor connecting bar 10 also includes oil guide groove 3, and oil guide groove 3 is arranged on above-mentioned first area 2011.
Because under bringing onto load operating mode, compressor in compression and breathing process, the head of compressor connecting bar 10 and piston
Between pin 4 or crank 5 except stress of different sizes in addition to, the acting surface of power is also different.In compressor compresses and breathing process,
Stress area on axis hole 201 hole wall of compressor connecting bar 10 head and stress size all differ, and compressor is in air-breathing
During, the active force suffered by stress area on axis hole 201 hole wall is relatively small, therefore the technical scheme providing in the present invention
In, due to the stress area being arranged on oil guide groove 3 on axis hole 201 hole wall during compressor air suction, not only contribute to axis hole 201 hole
The lubrication of wall, reduces abrasion, and this region is the less contact surface of stress simultaneously, reduces the destruction to contact surface for the fluting, will not
Lead to abrasion aggravation, thus improve work efficiency and the reliability of compressor.
Need exist for illustrating: when the head 21 that above-mentioned head is with piston pin 4 cooperation, by the of head
On one region 2011, setting oil guide groove 3 can improve the lubrication between compressor connecting bar 10 and piston pin 4, reduce and be somebody's turn to do and piston pin
The abrasion of the head 21 of 4 connections；When the head 22 that above-mentioned head is with the cooperation of the crank 5 of bent axle, by the of head
On one region 2011, setting oil guide groove 3 can improve the lubrication between compressor connecting bar 10 and the crank 5 of bent axle, and reducing should be with song
The abrasion of the head 22 that the crank 5 of axle connects.
Preferably, as shown in Figures 3 to 5, the quantity of the above-mentioned head on first area 2011 with oil guide groove 3 is two
Individual, the respectively first head 21 and the second head 22, the first head 21 and the second head 22 are mutually privately arranged on the two of connecting portion 1
End.Wherein, the axis hole 201 of the first head 21 is used for coordinating with piston pin 4, and the axis hole 201 of the second head 22 is used for and bent axle
Crank 5 coordinates, in this example, due to the first area 2011 in the first area 2011 of the first head 21 and the second head 22
It is equipped with oil guide groove 3, thus the lubrication between the first head 21 and piston pin 4 both can have been improved, reduce the mill of the first head 21
Damage it is also possible to improve the lubrication between the second head 22 and the crank 5 of bent axle, reduce the abrasion of the second head 22, and then reduce
The abrasion of compressor connecting bar 10 entirety of the present invention, further increases work efficiency and the reliability of compressor.
Wherein it is preferred that aforesaid first head 21 and the second head 22 are integrally formed at the two ends of connecting portion 1, have
The good advantage of connective stability.
As shown in fig. 7, compressor is in compression process, the first head 21 is subject to the active force of f1, and the second head 22 is subject to
The active force of f2, the direction of f1 and f2 is as shown in fig. 7, being subject on the first head 21 and axis hole 201 hole wall both the second head 22
As shown in the dash area in Fig. 3, during this compression, the value of f1 and f2 is larger in power region, therefore in this dash area
Any groove or hole should not be opened in region, otherwise can destroy the integrity of axis hole 201 stress surface, the abrasion of aggravation axis hole 201 hole wall.
As shown in figure 8, compressor is in breathing process, the first head 21 is subject to the active force of f1, and the second head 22 is subject to
The active force of f2, the direction of f1 and f2 is as shown in figure 8, being subject on the first head 21 and axis hole 201 hole wall both the second head 22
As shown in the blank parts in Fig. 3, this blank parts is aforesaid first area 2011, in the process of this air-breathing in power region
In, the value of f1 and f2 is less, and on first area 2011, fluting or hole, not only contribute to the lubrication of axis hole 201 hole wall, meanwhile,
Because the stress on first area 2011 is less, it is not result in abrasion aggravation.
In the examples described above, by opening up oil guide groove 3 on the first area 2011 of axis hole 201, can be prevented effectively from
When on the hole wall of axis hole 201, blindly fluting leads to slot area stress larger, the integrity of axis hole 201 hole wall is destroyed and occurs
The problem of abrasion aggravation.
In a specific application example, as shown in figure 3, aforesaid first area 2011 is on the hole wall of axis hole 201
It is relatively distant from the region of connecting portion 1.When compressor is in air-breathing, the region that this is relatively distant from connecting portion 1 is stress area and is subject to
Power is relatively small.
Further, as shown in figure 3, the hole wall of aforementioned axis hole 201 includes thering is the first of central angle alpha in circumferential direction
Segmental arc, wherein, 0 ＜ α≤180 degree.First segmental arc has symmetrical centre face in a longitudinal direction, and this symmetrical centre face is passed through
The axis of axis hole 201.Connecting portion 1 is with this symmetrical centre face symmetrically structure of the first segmental arc.The opening court of the first segmental arc
To connecting portion 1.Wherein, aforesaid first area 2011 includes the first segmental arc, and oil guide groove 3 is arranged on this first segmental arc.
In this example, when compressor is in air-breathing, for stress area and stress is relatively small for the first segmental arc.
As shown in Figures 3 to 5, aforesaid oil guide groove 3 can extend to the other end of axis hole 201 from one end of axis hole 201,
So that axis hole 201 all can be lubricated in axial direction going up, such that it is able to improve the lubricant effect of head 21 or 22, further
Reduce the abrasion of head.
In a specific application example, as shown in figure 5, aforesaid oil guide groove 3 can extend for straight trough, along helix
Groove or other shapes of groove etc., specifically can be arranged according to the actual demand of user, will not be described here.
In a specific application example, the shape of the cross section of aforementioned oil guide groove 3 can rectangular (as Fig. 9 institute
Show), trapezoidal (as shown in Figure 10), circular arc (as shown in figure 11) or other shapes etc., specifically can be according to the actual need of user
Ask setting, will not be described here.
The shape of the oil guide groove 3 on aforementioned first head 21 and the oil guide groove 3 on the second head 22 can identical can also
Different.
In a specific application example, as shown in figure 5, the oil guide groove 3 on aforementioned first head 21 and the second head
The shape of the oil guide groove 3 on 22 is different.For example, the oil guide groove 3 on the first head 21 can be straight trough, leading on the second head 22
Oil groove 3 can be the groove extending along helix.
In another specific application example, as shown in Figure 3 and Figure 4, the oil guide groove 3 on aforementioned first head 21 and the
The shape of the oil guide groove 3 on two heads 22 is identical, and is the straight trough axially extending.Wherein, straight trough has convenient processing
Advantage, processing cost is relatively low.
Aforesaid connecting portion 1 can be in shaft-like, and the length of connecting portion 1 can be adjusted, as needed to transmit compression
The torsion of motor in machine.
In a specific application example, the axis of the axis hole 201 of both aforementioned first head 21 and the second head 22
Parallel, and the aperture of the axis hole 201 of the first head 21 is less than the aperture of the axis hole 201 of the second head 22.
Figure 12 shows a kind of part-structure schematic diagram of compressor.Wherein, motor belt motor dynamic crankshaft rotates, and torsion passes through song
The crank 5 of axle, compressor connecting bar 10, piston pin 4, the sequence of operation of piston, the convert rotational motion of bent axle is the past of piston
Multiple motion.In compression process, piston needs the air resistance overcoming to be gradually increased to compressor, is transmitted by piston pin 4 meanwhile
Power to compressor connecting bar 10 two ends is also gradually increased.Whole compression process, compressor connecting bar 10 two ends and piston pin 4, bent axle
As shown in Fig. 3 dash area region, this region does not allow any incomplete processing to the contact surface of crank 5, such as groove or hole.
In the α angular regions of compressor connecting bar 10 head, carry out design and the processing of oil guide groove 3.
Above-mentioned oil guide groove 3 can be processed in the way of first using groove milling, then right boring processing, does not affect adding of subsequent handling
Work precision.Wherein, the oil guide groove 3 of the present invention is easy to process, good manufacturability, and low cost is low to position and required precision.
Embodiments of the invention also provide a kind of compressor, and it includes any of the above-described kind of compressor connecting bar 10.Compressor
Due to the reason using above-mentioned compressor connecting rod 10, because the abrasion of compressor connecting bar 10 is less, the work efficiency of compressor and
Reliability is preferable.
Embodiments of the invention also provide a kind of refrigerator, including any of the above-described kind of compressor.Because refrigerator is using above-mentioned
The reason of compressor, because its work efficiency and reliability are preferable.
Need exist for illustrating: in the case of not conflicting, those skilled in the art can incite somebody to action according to practical situation
In above-mentioned each example, related technical characteristic is mutually combined, to reach corresponding technique effect, particularly for various combined situation
Here does not repeat one by one.
The above, be only presently preferred embodiments of the present invention, and not the present invention is made with any pro forma restriction, according to
Any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, all still falls within this
In the range of bright technical scheme.
Claims (12)
1. a kind of compressor connecting bar, including connecting portion and be arranged on head on described connecting portion, described head is and piston
The head of pin cooperation or the head with the crank cooperation of bent axle, described head has is joined with the crank of corresponding piston pin or bent axle
The axis hole closing；It is characterized in that,
The hole wall of described axis hole has first area, and described first area is the force area on compressor axis hole hole wall in air-breathing
Domain；
Described compressor connecting bar also includes oil guide groove, and described oil guide groove is arranged on described first area.
2. compressor connecting bar as claimed in claim 1 it is characterised in that
Described first area is the region being relatively distant from described connecting portion on the hole wall of described axis hole.
3. compressor connecting bar as claimed in claim 2 it is characterised in that
The hole wall of described axis hole includes first segmental arc with central angle alpha in circumferential direction, wherein, 0 ＜ α≤180 degree；
Described connecting portion symmetrical centre face symmetrically structure in a longitudinal direction with described first segmental arc；Described first arc
The opening of section is towards described connecting portion；
Wherein, described first area includes described first segmental arc, and described oil guide groove is arranged on described first segmental arc.
4. compressor connecting bar as claimed any one in claims 1 to 3 it is characterised in that
Described oil guide groove extends to the other end of axis hole from one end of described axis hole.
5. compressor connecting bar as claimed in claim 4 it is characterised in that
Described oil guide groove is straight trough or the groove extending along helix.
6. the compressor connecting bar as any one of claim 1 to 5 it is characterised in that
The shape of the cross section of described oil guide groove is rectangular, trapezoidal or circular arc.
7. the compressor connecting bar as any one of claim 1 to 6 it is characterised in that
The quantity of described head is two, the respectively first head and the second head, and the first head and the second head mutually privately set
Put the two ends in described connecting portion；Wherein, the axis hole of the first head is used for and piston pin cooperation, the axis hole of the second head be used for
The crank cooperation of bent axle.
8. compressor connecting bar as claimed in claim 7 it is characterised in that
Described connecting portion is in shaft-like, the diameter parallel of the axis hole of described first head and described second head, and described the
The aperture of the axis hole of one head is less than the aperture of the axis hole of described second head.
9. compressor connecting bar as claimed in claim 7 or 8 it is characterised in that
Oil guide groove on described first head is different from the shape of the oil guide groove on described second head.
10. compressor connecting bar as claimed in claim 7 or 8 it is characterised in that
Oil guide groove on described first head is identical with the shape of the oil guide groove on described second head, and is and axially extends
Straight trough.
A kind of 11. compressors are it is characterised in that include the compressor connecting bar any one of claim 1 to 10.
A kind of 12. refrigerators are it is characterised in that include the compressor any one of claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891002.3A CN106368928B (en) | 2016-10-12 | 2016-10-12 | Compressor connecting bar, compressor and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891002.3A CN106368928B (en) | 2016-10-12 | 2016-10-12 | Compressor connecting bar, compressor and refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN106368928A true CN106368928A (en) | 2017-02-01 |
| CN106368928B CN106368928B (en) | 2019-05-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610891002.3A Active CN106368928B (en) | 2016-10-12 | 2016-10-12 | Compressor connecting bar, compressor and refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026607A (en) * | 2018-09-30 | 2018-12-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston rod part and compressor with it |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026607A (en) * | 2018-09-30 | 2018-12-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston rod part and compressor with it |
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| Publication number | Publication date |
|---|---|
| CN106368928B (en) | 2019-05-28 |
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