CN106351834A - Compressor and air conditioner - Google Patents
Compressor and air conditioner Download PDFInfo
- Publication number
- CN106351834A CN106351834A CN201610835440.8A CN201610835440A CN106351834A CN 106351834 A CN106351834 A CN 106351834A CN 201610835440 A CN201610835440 A CN 201610835440A CN 106351834 A CN106351834 A CN 106351834A
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- CN
- China
- Prior art keywords
- roller
- compressor
- sealing strip
- shaped groove
- along
- 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
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/005—Axial sealings for working fluid
Abstract
The invention discloses a compressor and an air conditioner and relates to the field of mechanical equipment, mainly aiming to reduce coolant leakage at the end face of a compressor roller and improve the performance of a compressor. The main technical scheme includes that the compressor comprises a roller, a crank shaft and an air cylinder, wherein the roller sleeves the crank shaft and is in eccentric fit with the air cylinder, at least one of the ends of the roller is provided with a sealing structure, and each sealing structure is used for sealing the corresponding end face of the roller during running of the compressor to prevent a coolant from leaking therefrom, so that leakage of the coolant in the air cylinder from a high-pressure chamber to a low-pressure chamber can be reduced effectively, and further, the performance of the compressor is improved.
Description
Technical field
The present invention relates to mechanical equipment technical field, more particularly to a kind of compressor and air-conditioner.
Background technology
Fig. 1 shows a kind of structural representation of existing rotary compressor.As shown in figure 1, rotary compressor 10,
Including roller 1, bent axle 2 and cylinder 3.Roller 1 is set on bent axle 2 and the eccentric cooperation with cylinder 3.Wherein, bent axle 2 drives roller
1 rotates, with compression refrigerant in cylinder 3.However, in actual application, due to the problem of part processing precision, cylinder 3
Can not possibly be equal with the height of both rollers 1.Usually, cylinder 3 can exceed more than ten microns even tens microns than roller 1, from
And lead to compressor 10 in actual moving process coolant can by the end face of roller 1 high pressure chest in cylinder 3 leak to low
Pressure chamber, and then affect the performance of compressor 10.
Certainly, in order to solve the problems, such as above-mentioned coolant leakage it is also possible to pass through to reduce the height between cylinder 3 and roller 1
Gap is reducing leakage, but this kind of mode is higher to the requirement on machining accuracy of roller 1, if being primarily due to machining accuracy not
The pump housing requiring to be likely to result in compressor 10 can be met stuck, but high-precision processing can lead to process the cost of roller 1
Steeply rise.
Content of the invention
In view of this, the present invention provides a kind of compressor, and main purpose is to reduce the end of roller of compressor
Coolant leakage, the performance of lifting compressor.
The present invention also provides a kind of air-conditioner of application above-mentioned 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, and including roller, bent axle and cylinder, roller is set in song
Coordinate on axle and with cylinder bias；
At least one end of described roller is provided with sealing structure, and described sealing structure is used for during compressor operating to rolling
The corresponding end-faces of son are sealed, to prevent coolant from leaking from the corresponding end-faces of roller.
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, optionally, described sealing structure includes:
Ring-shaped groove, its endoporus around described roller on the end face of described roller is arranged；
Sealing strip, is arranged in described ring-shaped groove, and described roller is carried out close by described sealing strip to the end face of roller
Envelope.
In aforesaid compressor, optionally, described sealing strip is more than described annular ditch along the size in the axial direction of roller
Groove is along the size in the axial direction of roller, so that described sealing strip protrudes from the end face of described roller.
In aforesaid compressor, optionally, described sealing strip is along the size in the axial direction of roller and described ring-shaped groove
Difference along the size in the axial direction of roller is more than 0 and is less than or equal to 0.2mm；
And/or, described sealing strip and described ring-shaped groove are along the transition in the radial direction of roller or interference fit.
In aforesaid compressor, optionally, described sealing strip along being smaller in size than in the axial direction of roller or is equal to described
Ring-shaped groove is along the size in the axial direction of roller；
Described sealing structure also includes link slot, and described link slot is on the end face of described roller from the endoporus of described roller
Wall insertion is to described ring-shaped groove；And described link slot extends on the bottom surface of described ring-shaped groove, so that the bottom of link slot
It is being upwardly formed the first gap with described sealing strip along the axle of roller.
In aforesaid compressor, optionally, described link slot is the groove of the radial direction extension along described roller.
In aforesaid compressor, optionally, described ring-shaped groove is along the size in the axial direction of roller and described sealing strip
Difference along the size in the axial direction of roller is more than or equal to 0 and is less than or equal to 0.2mm；
And/or, described sealing strip and described ring-shaped groove are in the interference fits in the radial direction along roller.
In aforesaid compressor, optionally, described sealing strip is annular sealing strip；Or described sealing strip is to have breach
Imperfect annular sealing strip.
In aforesaid compressor, optionally, the cross sectional shape of described sealing strip is rectangle, adjacent two of described rectangle
The length of bar seamed edge is 1～2mm.
In aforesaid compressor, optionally, the opposite one end in the bottom with ring-shaped groove of described sealing strip is transversal
The shape in face is curved.
In aforesaid compressor, optionally, described sealing strip is by politef, polyether-ether-ketone, silica gel or fluorine rubber
Glue is made.
On the other hand, embodiments of the invention also provide a kind of air-conditioner, including the compressor described in any of the above-described kind.
By technique scheme, compressor of the present invention and air-conditioner at least have the advantages that
In the technical scheme that the present invention provides, because at least one end of roller is provided with sealing structure, this sealing structure can
To seal to the corresponding end-faces of roller during compressor operating, to prevent coolant from leaking from the corresponding end-faces of roller,
Leak to low pressure chamber such that it is able to effectively reduce the coolant in cylinder from high pressure chest, and then improve the property of compressor of the present invention
Energy.
In addition, the air-conditioner that the present invention provides, due to arranging the reason of above-mentioned compressor, therefore also has performance preferably
Advantage.
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 cut-away section structural representation of compressor of the prior art；
Fig. 2 is a kind of cut-away section structural representation of compressor that one embodiment of the invention provides；
Fig. 3 is a kind of decomposition texture schematic diagram of roller that one embodiment of the invention provides；
Fig. 4 is a kind of cross-sectional view of roller that one embodiment of the invention provides；
Fig. 5 is the top view of another kind of roller that one embodiment of the invention provides；
Fig. 6 is the cross-sectional view of another kind of roller that one embodiment of the invention provides；
Fig. 7 is the mplifying structure schematic diagram at a in Fig. 6；
Fig. 8 is a kind of structural representation of sealing strip that one embodiment of the invention provides；
Fig. 9 is the cross-sectional view of another kind of roller that one embodiment of the invention provides；
Figure 10 is the mplifying structure schematic diagram at b in Fig. 9；
Figure 11 is the cross-sectional view of another kind of roller 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 Fig. 2 a kind of compressor 10 that one embodiment of the present of invention proposes, including roller 1, bent axle 2 and cylinder
3.Roller 1 is set on bent axle 2 and the eccentric cooperation with cylinder 3.Wherein, at least one end of roller 1 is provided with sealing structure 6, and this is close
Seal structure 6 is used in compressor 10 running, the corresponding end-faces 11 of roller 1 being sealed, to prevent coolant from roller 1
Corresponding end-faces 11 leak.If being provided with sealing structure 6 than the first end of roller 1, then sealing structure 6 can prevent coolant from
The face leakage of one end；If the second end of roller 1 is provided with sealing structure 6, sealing structure 6 can prevent coolant from the second end
Face leakage.
In the technical scheme of above-mentioned offer, by arranging sealing structure 6 on the end face 11 of roller 1, can effectively subtract
Coolant in little cylinder 3 leaks to low pressure chamber from high pressure chest, and then improves the performance of compressor 10 of the present invention.
In the examples described above it is preferred that as shown in figure 11, the two ends of roller 1 are equipped with described sealing structure 6, to enter
The coolant that one step reduces in cylinder 3 leaks to low pressure chamber from high pressure chest, such that it is able to lift compressor 10 of the present invention further
Performance.
Need exist for illustrating: in one example, as shown in Fig. 2 aforesaid compressor 10 also includes upper flange 4 He
Lower flange 5.Roller 1 and cylinder 3 are arranged between upper flange 4 and lower flange 5.Roller 1 is under the drive of bent axle 2 in cylinder 3
Interior rotation, to realize the process of air-breathing, compression and aerofluxuss to coolant.
In order to realize the function of aforementioned seal structure 6, the present invention also provides following embodiment, as Fig. 3 and Fig. 4 institute
Show, aforesaid sealing structure 6 includes ring-shaped groove 61 and sealing strip 62.Ring-shaped groove 61 is on the end face 11 of roller 1 around rolling
The endoporus 101 of son 1 is arranged.Sealing strip 62 is arranged in ring-shaped groove 61.Aforesaid roller 1 passes through sealing strip 62 to roller 1
This end face 11 is sealed.In this example, by ring-shaped groove 61 is processed on roller 1, then pacify in ring-shaped groove 61
, to realize this end face 11 of roller 1 is sealed, its requirement to machining accuracy is relatively low, thus processing for dress sealing strip 62
Cost is relatively low.
Aforementioned seal bar 62 along size l1 in the axial direction of roller 1 can greater than, equal to or less than ring-shaped groove 61 along rolling
Son 1 axial direction on size l2, in other words: the thickness of sealing strip 62 can greater than, equal to or less than ring-shaped groove 61 depth
Degree.
In the first example of compressor 10 of the present invention, as shown in figure 4, aforementioned seal bar 62 is along in the axial direction of roller 1
Size l1 is more than ring-shaped groove 61 along size l2 in the axial direction of roller 1, thus when sealing strip 62 is arranged in ring-shaped groove 61
Sealing strip 62 protrudes from the end face 11 of roller 1 afterwards.In this example, sealing strip 62 protrude from the part of the end face 11 of roller 1 can
Effectively to seal to this end face 11 of roller 1, such that it is able to effectively reduce the coolant in cylinder 3 leak to from high pressure chest low
Pressure chamber, and then improve the performance of compressor 10 of the present invention.
Need exist for illustrate: sealing strip 62 is typically fabricated from a flexible material, such as can by politef ptfe,
The materials such as polyether-ether-ketone peek, silica gel or fluorubber are made.The material of sealing strip 62 is typically than the upper method being made up of metal material
Orchid 4 or lower flange 5 are softer, even if therefore sealing strip 62 is contacted with corresponding upper flange 4 or lower flange 5 and occurs a certain degree of
Extruding, sealing strip 62 due to elastic deformation can occur thus not lead to compressor 10 the pump housing occur stuck.
The height that aforementioned seal bar 62 protrudes from the end face 11 of roller 1 can not be excessive, otherwise can increase the work(of roller 1 friction
Consumption, leads to the performance of compressor 10 to reduce.Preferably, aforementioned seal bar 62 is along size l1 in the axial direction of roller 1 and annular ditch
Groove 61 is more than 0 and is less than or equal to 0.2mm along the difference of size l2 in the axial direction of roller 1.
In the first above-mentioned example, sealing strip 62 and ring-shaped groove 61 along roller 1 in the radial direction can be with transition
Or interference fit, leak to low pressure chamber to reduce coolant further from the high pressure chest of cylinder 3.
In the second example of compressor 10 of the present invention, as shown in Figures 5 to 7, sealing strip 62 is along in the axial direction of roller 1
Size l1 is less than or equal to ring-shaped groove 61 along size l2 in the axial direction of roller 1.Meanwhile, in this second example, aforesaid
Sealing structure 6 also includes link slot 63.Link slot 63 is on the end face 11 of roller 1 from the inner hole wall insertion of roller 1 to annular ditch
Groove 61, and link slot 63 extends on the bottom surface of ring-shaped groove 61, so that the bottom of link slot 63 and sealing strip 62 are along roller 1
Axle be upwardly formed the first gap 631.In this second example, ring-shaped groove 61 passes through link slot 63 with the endoporus 101 of roller 1
Connection.During work, the inside of roller 1 is high pressure conditions to compressor 10 of the present invention, accordingly, above-mentioned and roller 1
Also it is high pressure conditions at first gap 631 of internal connection, sealing strip 62 is in the presence of the high-pressure fluid in the first gap 631
Move at corresponding upper flange 4 or lower flange 5, until fit corresponding upper flange 4 or lower flange 5, thus playing close to roller 1
The action effect of envelope.In addition, along roller 1 in the radial direction, the high-pressure fluid in link slot 63 is also in sealing strip 62
Side applying power, makes the outside of sealing strip 62 be close to the side wall deviating from roller 1 endoporus 101 of ring-shaped groove 61, with further
Improve the sealing to roller 1 for the sealing strip 62.
Further, as shown in figure 5, aforesaid link slot 63 can be the groove of the radial direction extension along roller 1, with side
Just the processing of link slot 63.
In the second above-mentioned example, in order that sealing strip 62 has enough amount of elastic deformation and ensures sealing strip 62
Intensity it is preferred that aforementioned toroidal groove 61 along size l2 in the axial direction of roller 1 and sealing strip 62 along in the axial direction of roller 1
Size difference l1 be more than or equal to 0 and be less than or equal to 0.2mm.
In above-mentioned second example, because sealing strip 62 can be along roller 1 in the presence of the high pressure of roller 1 endoporus 101
Axially it is moved, in order to reduce the resistance that moves up of axle in roller 1 for the sealing strip 62 it is preferred that aforesaid sealing strip 62
With ring-shaped groove 61 in the interference fits in the radial direction along roller 1, such sealing strip 62 also may be used in the radial direction in roller 1
To carry out a certain degree of sealing to roller 1, prevent coolant from leaking.
Aforesaid sealing strip 62 for annular sealing strip (as shown in Figure 3) or can have the imperfect of breach 621
Annular sealing strip (as shown in Figure 8).Wherein, annular sealing strip has the advantages that easy processing and easy to install.And there is breach 621
Imperfect annular sealing strip is more beneficial for deforming upon in circumferential direction, so that this imperfect annular sealing strip is in roller endoporus
It is close to the side wall deviating from roller endoporus 101 of ring-shaped groove 61 under 101 high pressure effect, and reach lift-off seal bar 62
The technique effect of sealing effectiveness.
Need exist for illustrating: the size of the breach 621 of the above-mentioned imperfect annular sealing strip with breach 621 should be use up
Amount is little, to reduce leakage at this breach 621 for the coolant.
The cross sectional shape of aforementioned seal bar 62 can be rectangle, circular or other arbitrary shape.In a specific application
In example, as shown in fig. 7, the cross sectional shape of aforementioned seal bar 62 is rectangle, and the length of adjacent two seamed edge of rectangle is equal
For 1～2mm.
As shown in Figure 9 and Figure 10, the bottom with ring-shaped groove 61 of the aforementioned seal bar 62 opposite cross section of one end
Shape can be curved, thus when this arc tips of sealing strip 62 are contacted with corresponding upper flange 4 or lower flange 5, its contact surface
Long-pending less, and then sealing strip 62 and corresponding friction power loss between upper flange 4 or lower flange 5 can be reduced.
Embodiments of the invention also provide a kind of air-conditioner, and it includes the compressor 10 described in any of the above-described kind.Wherein, empty
Adjust device due to arranging the reason of above-mentioned compressor 10, therefore also there is performance preferably advantage.
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, including roller, bent axle and cylinder, roller is set on bent axle and the eccentric cooperation with cylinder；Its feature
It is,
At least one end of described roller is provided with sealing structure, and described sealing structure is used for during compressor operating to roller
Corresponding end-faces are sealed, to prevent coolant from leaking from the corresponding end-faces of roller.
2. compressor as claimed in claim 1 is it is characterised in that described sealing structure includes:
Ring-shaped groove, its endoporus around described roller on the end face of described roller is arranged；
Sealing strip, is arranged in described ring-shaped groove, described roller is sealed to the end face of roller by described sealing strip.
3. compressor as claimed in claim 2 it is characterised in that
Described sealing strip is more than described ring-shaped groove along the size in the axial direction of roller along the size in the axial direction of roller, so that institute
State the end face that sealing strip protrudes from described roller.
4. compressor as claimed in claim 3 it is characterised in that
Described sealing strip is big along the difference of the size in the axial direction of roller with described ring-shaped groove along the size in the axial direction of roller
In 0 and less than or equal to 0.2mm；
And/or, described sealing strip and described ring-shaped groove are along the transition in the radial direction of roller or interference fit.
5. compressor as claimed in claim 2 it is characterised in that
Described sealing strip along being smaller in size than in the axial direction of roller or is equal to described ring-shaped groove along the size in the axial direction of roller；
Described sealing structure also includes link slot, and described link slot passes through from the inner hole wall of described roller on the end face of described roller
Pass to described ring-shaped groove；And described link slot extends on the bottom surface of described ring-shaped groove, so that the bottom of link slot and institute
State sealing strip and be upwardly formed the first gap along the axle of roller.
6. compressor as claimed in claim 5 it is characterised in that
Described link slot is the groove of the radial direction extension along described roller.
7. the compressor as described in claim 5 or 6 it is characterised in that
Described ring-shaped groove is big along the difference of the size in the axial direction of roller with described sealing strip along the size in the axial direction of roller
In equal to 0 and less than or equal to 0.2mm；
And/or, described sealing strip and described ring-shaped groove are in the interference fits in the radial direction along roller.
8. the compressor as any one of claim 2 to 7 it is characterised in that
Described sealing strip is annular sealing strip；Or described sealing strip is to have imperfect annular sealing strip jaggy.
9. the compressor as any one of claim 2 to 8 it is characterised in that
The cross sectional shape of described sealing strip is rectangle, and the length of adjacent two seamed edge of described rectangle is 1～2mm.
10. the compressor as any one of claim 2 to 8 it is characterised in that
The shape of the opposite cross section of one end in the bottom with ring-shaped groove of described sealing strip is curved.
11. compressors as any one of claim 2 to 10 it is characterised in that
Described sealing strip is made up of politef, polyether-ether-ketone, silica gel or fluorubber.
A kind of 12. air-conditioners are it is characterised in that include the compressor any one of claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835440.8A CN106351834B (en) | 2016-09-20 | 2016-09-20 | Compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835440.8A CN106351834B (en) | 2016-09-20 | 2016-09-20 | Compressor and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106351834A true CN106351834A (en) | 2017-01-25 |
| CN106351834B CN106351834B (en) | 2018-08-07 |
Family
ID=57858820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610835440.8A Active CN106351834B (en) | 2016-09-20 | 2016-09-20 | Compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106351834B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2553140Y (en) * | 2002-06-10 | 2003-05-28 | 钱永贵 | Axial sealing mechanism for vortex compressor |
| WO2009098872A1 (en) * | 2008-02-04 | 2009-08-13 | Daikin Industries, Ltd. | Fluid machine |
| CN104153993A (en) * | 2014-08-27 | 2014-11-19 | 郑州凌达压缩机有限公司 | Compressor roller, compressor pump body and compressor |
| CN203962405U (en) * | 2014-06-04 | 2014-11-26 | 珠海凌达压缩机有限公司 | The pump body structure of compressor and compressor |
| CN206129605U (en) * | 2016-09-20 | 2017-04-26 | 珠海凌达压缩机有限公司 | Compressor and air conditioner |
-
2016
- 2016-09-20 CN CN201610835440.8A patent/CN106351834B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2553140Y (en) * | 2002-06-10 | 2003-05-28 | 钱永贵 | Axial sealing mechanism for vortex compressor |
| WO2009098872A1 (en) * | 2008-02-04 | 2009-08-13 | Daikin Industries, Ltd. | Fluid machine |
| CN203962405U (en) * | 2014-06-04 | 2014-11-26 | 珠海凌达压缩机有限公司 | The pump body structure of compressor and compressor |
| CN104153993A (en) * | 2014-08-27 | 2014-11-19 | 郑州凌达压缩机有限公司 | Compressor roller, compressor pump body and compressor |
| CN206129605U (en) * | 2016-09-20 | 2017-04-26 | 珠海凌达压缩机有限公司 | Compressor and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106351834B (en) | 2018-08-07 |
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