CN106351834B - Compressor and air conditioner - Google Patents
Compressor and air conditioner Download PDFInfo
- Publication number
- CN106351834B CN106351834B CN201610835440.8A CN201610835440A CN106351834B CN 106351834 B CN106351834 B CN 106351834B CN 201610835440 A CN201610835440 A CN 201610835440A CN 106351834 B CN106351834 B CN 106351834B
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- CN
- China
- Prior art keywords
- roller
- sealing strip
- compressor
- ring
- shaped groove
- 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
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- 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 present invention relates to a kind of compressor and air conditioners, are related to machinery equipment field, and main purpose is to reduce the coolant leakage of the endface of the roller of compressor, promotes the performance of compressor.The technical solution mainly used for：Compressor, including roller, bent axle and cylinder, roller are set on bent axle and coordinate with cylinder bias；At least one end of the roller is equipped with sealing structure, the sealing structure is for being during the operation of the compressor sealed the corresponding end-faces of roller, to prevent refrigerant from being leaked from the corresponding end-faces of roller, low pressure chamber is leaked to from high pressure chest so as to effectively reduce the refrigerant in cylinder, and then improves the performance of compressor of the present invention.
Description
Technical field
The present invention relates to mechanical equipment technical fields, more particularly to a kind of compressor and air conditioner.
Background technology
Fig. 1 shows a kind of structural schematic diagram 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 coordinates with 3 bias of cylinder.Wherein, bent axle 2 drives roller
1 rotation in cylinder 3, with compression refrigerant.However, in actual application, the problem of due to part processing precision, cylinder 3
Height with both rollers 1 can not possibly be equal.Usually, cylinder 3 can be higher by more than ten microns even tens microns than roller 1, from
And it is low to cause the refrigerant in actual moving process of compressor 10 that can be leaked to by high pressure chest of the end face of roller 1 out of cylinder 3
Chamber is pressed, and then influences the performance of compressor 10.
It certainly, can also be by reducing the height between cylinder 3 and roller 1 in order to solve the problems, such as above-mentioned coolant leakage
Gap is revealed to reduce, but this kind of mode is higher to the requirement on machining accuracy of roller 1, if being primarily due to machining accuracy not
Can meet the requirements be likely to result in compressor 10 the pump housing it is stuck, however high-precision processing can cause process roller 1 cost
It steeply rises.
Invention content
In view of this, the present invention provides a kind of compressor, main purpose is to reduce the endface of the roller of compressor
Coolant leakage promotes the performance of compressor.
The present invention also provides a kind of air conditioners using above-mentioned compressor.
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 compressor, including roller, bent axle and cylinder, roller are set in song
Coordinate on axis and with cylinder bias；
At least one end of the roller is equipped with sealing structure, and the sealing structure is for during the operation of the compressor to rolling
The corresponding end-faces of son are sealed, to prevent refrigerant from being leaked from the corresponding end-faces of roller；
Ring-shaped groove is arranged on the end face of the roller around the endoporus of the roller；
Sealing strip is arranged in the ring-shaped groove, and the roller carries out the end face of roller by the sealing strip close
Envelope；
Link slot, the link slot are penetrated through from the inner hole wall of the roller to the annular ditch on the end face of the roller
Slot；And the link slot extends on the bottom surface of the ring-shaped groove, so that the bottom of link slot is rolled with the sealing strip on edge
The axis of son is upwardly formed the first gap.
In compressor above-mentioned, optionally, size of the sealing strip in the axial direction of roller is more than the annular ditch
Size of the slot in the axial direction of roller, so that the sealing strip protrudes from the end face of the roller.
In compressor above-mentioned, optionally, size of the sealing strip in the axial direction of roller and the ring-shaped groove
The difference of size in the axial direction of roller is more than 0 and is less than or equal to 0.2mm；
And/or the sealing strip and the ring-shaped groove along roller transition in the radial direction or interference fit.
In compressor above-mentioned, optionally, size of the sealing strip in the axial direction of roller is less than or equal to described
Size of the ring-shaped groove in the axial direction of roller.
In compressor above-mentioned, optionally, the link slot is the slot extended along the radial direction of the roller.
In compressor above-mentioned, optionally, size of the ring-shaped groove in the axial direction of roller and the sealing strip
The difference of 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 the sealing strip coordinates with the ring-shaped groove in the transition in the radial direction along roller.
In compressor above-mentioned, optionally, the sealing strip is annular sealing strip；Or the sealing strip is with notch
Imperfect annular sealing strip.
In compressor above-mentioned, optionally, the cross sectional shape of the sealing strip is rectangle, adjacent two of the rectangle
The length of seamed edge is 1~2mm.
In compressor above-mentioned, optionally, one end opposite with the bottom of ring-shaped groove of the sealing strip it is transversal
The shape in face is arc-shaped.
In compressor above-mentioned, optionally, the sealing strip is by polytetrafluoroethylene (PTFE), polyether-ether-ketone, silica gel or fluorine rubber
Glue is made.
On the other hand, the embodiment of the present invention also provides a kind of air conditioner, including the compressor described in any of the above-described kind.
By above-mentioned technical proposal, compressor and air conditioner of the present invention at least have the advantages that：
In technical solution provided by the invention, because at least one end of roller is equipped with sealing structure, which can
To be sealed during the operation of the compressor to the corresponding end-faces of roller, to prevent refrigerant from being leaked from the corresponding end-faces of roller,
Low pressure chamber is leaked to from high pressure chest so as to effectively reduce the refrigerant in cylinder, and then improves the property of compressor of the present invention
Energy.
In addition, reason of the air conditioner provided by the invention since above-mentioned compressor is arranged, also has performance preferable
Advantage.
Above description is only the general introduction of technical solution 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, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is a kind of cut-away section structural schematic diagram of compressor in the prior art；
Fig. 2 is a kind of cut-away section structural schematic diagram for compressor that one embodiment of the invention provides；
Fig. 3 is a kind of decomposition texture schematic diagram for roller that one embodiment of the invention provides；
Fig. 4 is a kind of cross-sectional view for roller that one embodiment of the invention provides；
Fig. 5 is the vertical view for another roller that one embodiment of the invention provides；
Fig. 6 is the cross-sectional view for another roller that one embodiment of the invention provides；
Fig. 7 is the enlarged structure schematic diagram at A in Fig. 6；
Fig. 8 is a kind of structural schematic diagram for sealing strip that one embodiment of the invention provides；
Fig. 9 is the cross-sectional view for another roller that one embodiment of the invention provides；
Figure 10 is the enlarged structure schematic diagram at B in Fig. 9；
Figure 11 is the cross-sectional view for another roller that one embodiment of the invention provides.
Specific implementation mode
It is of the invention to reach the technological means and effect that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Specific implementation mode, 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.
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 coordinates with 3 bias of cylinder.Wherein, at least one end of roller 1 is equipped with sealing structure 6, this is close
Seal structure 6 is for being sealed the corresponding end-faces 11 of roller 1 in 10 operational process of compressor, to prevent refrigerant from roller 1
Corresponding end-faces 11 leak.If the first end than roller 1 is equipped with sealing structure 6, then sealing structure 6 can prevent refrigerant from the
The face leakage of one end；If the second end of roller 1 is equipped with sealing structure 6, sealing structure 6 can prevent refrigerant from second end
Face leakage.
In the technical solution of above-mentioned offer, by the way that sealing structure 6 is arranged on the end face of roller 1 11, can effectively it subtract
Refrigerant in small 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 both ends of roller 1 are equipped with the sealing structure 6, with into
The refrigerant that one step reduces in cylinder 3 leaks to low pressure chamber from high pressure chest, so as to further promote compressor 10 of the present invention
Performance.
What needs to be explained here is that：In one example, as shown in Fig. 2, compressor above-mentioned 10 further includes 4 He of upper flange
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 to the air-breathing of refrigerant, compression and the process of exhaust.
In order to realize the function of aforementioned seal structure 6, the present invention also provides following embodiments, such as Fig. 3 and Fig. 4 institutes
Show, sealing structure 6 above-mentioned includes ring-shaped groove 61 and sealing strip 62.Ring-shaped groove 61 is on the end face of roller 1 11 around rolling
The endoporus 101 of son 1 is arranged.Sealing strip 62 is arranged in ring-shaped groove 61.Roller 1 above-mentioned is by sealing strip 62 to roller 1
The end face 11 is sealed.In this example, by processing ring-shaped groove 61 on roller 1, then pacify in ring-shaped groove 61
Dress sealing strip 62 is sealed the end face 11 of roller 1 with realizing, the requirement to machining accuracy is relatively low, to process
Cost is relatively low.
Size L1 of the aforementioned seal item 62 in the axial direction of roller 1 can be greater than, equal to or less than ring-shaped groove 61 along rolling
Size L2 in the axial direction of son 1, 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 item 62 is in the axial direction of roller 1
Size L1 is more than size L2 of the ring-shaped groove 61 in the axial direction of roller 1, to be mounted in ring-shaped groove 61 when sealing strip 62
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
To be effectively sealed to the end face 11 of roller 1, leak to so as to effectively reducing the refrigerant in cylinder 3 from high pressure chest low
Chamber is pressed, and then improves the performance of compressor 10 of the present invention.
What needs to be explained here is that：Sealing strip 62 is generally fabricated from a flexible material, for example, can by polytetrafluoroethylene PTFE,
The materials such as polyether-ether-ketone PEEK, silica gel or fluorubber are made.The material of sealing strip 62 is generally than method upper made of metal material
Orchid 4 or lower flange 5 are softer, therefore even if sealing strip 62 contacts and occurs a degree of with corresponding upper flange 4 or lower flange 5
It squeezes, it is stuck that sealing strip 62 will not cause the pump housing of compressor 10 to occur since elastic deformation can occur.
The height that aforementioned seal item 62 protrudes from the end face 11 of roller 1 cannot be excessive, otherwise can increase the work(of the friction of roller 1
Consumption, leads to the reduced performance of compressor 10.Preferably, size L1 and annular ditch of the aforementioned seal item 62 in the axial direction of roller 1
The difference of size L2 of the slot 61 in the axial direction of roller 1 is more than 0 and is less than or equal to 0.2mm.
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, to further decrease refrigerant low pressure chamber is leaked to 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 in the axial direction of roller 1
Size L1 is less than or equal to size L2 of the ring-shaped groove 61 in the axial direction of roller 1.It is above-mentioned meanwhile in second example
Sealing structure 6 further includes link slot 63.Link slot 63 is penetrated through from the inner hole wall of roller 1 to annular ditch on the end face of roller 1 11
Slot 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
Axis be upwardly formed the first gap 631.In second example, ring-shaped groove 61 and the endoporus 101 of roller 1 pass through link slot 63
Connection.In the process of work, the inside of roller 1 is high pressure conditions to compressor 10 of the present invention, correspondingly, above-mentioned and roller 1
Also it is high pressure conditions at first gap 631 of inside connection, under the action of high-pressure fluid of the sealing strip 62 in the first gap 631
It is moved to corresponding upper flange 4 or lower flange 5, until it is bonded corresponding upper flange 4 or lower flange 5, it is close to roller 1 to play
The function and 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 applied force makes the outside of sealing strip 62 be close to one end side wall away from 1 endoporus 101 of roller of ring-shaped groove 61, with further
Improve sealing of the sealing strip 62 to roller 1.
Further, as shown in figure 5, link slot above-mentioned 63 can be the slot extended along the radial direction of roller 1, with side
Just the processing of link slot 63.
In the second above-mentioned example, in order to make sealing strip 62 that there is enough amount of elastic deformation and ensure sealing strip 62
Intensity, it is preferred that size L2 of the aforementioned toroidal groove 61 in the axial direction of roller 1 and sealing strip 62 are 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, since sealing strip 62 can be along roller 1 under the action of the high pressure of 1 endoporus 101 of roller
It is axial to move, in order to reduce the resistance that sealing strip 62 is moved up in the axis of roller 1, it is preferred that sealing strip 62 above-mentioned
With ring-shaped groove 61 in the cooperation of transition in the radial direction along roller 1, such sealing strip 62 may be used also in the radial direction roller 1
To carry out a degree of sealing to roller 1, prevent refrigerant from leaking.
Sealing strip 62 above-mentioned can be annular sealing strip (as shown in Figure 3), or imperfect with notch 621
Annular sealing strip (as shown in Figure 8).Wherein, annular sealing strip has the advantages that easy processing and easy to install.And with notch 621
Imperfect annular sealing strip is more advantageous to be deformed upon in circumferential direction, so that the imperfect annular sealing strip is in roller endoporus
It is close to one end side wall away from roller endoporus 101 of ring-shaped groove 61 under 101 high pressure effect, and reaches lift-off seal item 62
The technique effect of sealing effect.
What needs to be explained here is that：The size of the notch 621 of the above-mentioned imperfect annular sealing strip with notch 621 should be use up
Measure it is small, to reduce leakage of the refrigerant at the notch 621.
The cross sectional shape of aforementioned seal item 62 can be rectangle, circle or other arbitrary shapes.In a specific application
In example, as shown in fig. 7, the cross sectional shape of aforementioned seal item 62 is rectangle, and the length of two adjacent seamed edges of rectangle is equal
For 1~2mm.
As shown in Figure 9 and Figure 10, the cross section of one end opposite with the bottom of ring-shaped groove 61 of aforementioned seal item 62
Shape can be arc-shaped, when being contacted with corresponding upper flange 4 or lower flange 5 to the arc tips of sealing strip 62, contact surface
Product is smaller, and then can reduce sealing strip 62 and corresponding friction power loss between upper flange 4 or lower flange 5.
The embodiment of the present invention also provides a kind of air conditioner comprising the compressor 10 described in any of the above-described kind.Wherein, empty
Reason of the device since above-mentioned compressor 10 is arranged is adjusted, also has the advantages that performance is preferable.
What needs to be explained here is that：In the absence of conflict, those skilled in the art can incite somebody to action according to actual conditions
Relevant technical characteristic is combined with each other in above-mentioned each example, to reach corresponding technique effect, particularly for various combined situations
It does not repeat one by one herein.
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 the technical spirit of the present invention to any simple modification, equivalent change and modification made by above example, this hair is still fallen within
In the range of bright technical solution.
Claims (11)
1. a kind of compressor, including roller, bent axle and cylinder, roller is set on bent axle and coordinates with cylinder bias；Its feature
It is,
At least one end of the roller is equipped with sealing structure, and the sealing structure is used for during the operation of the compressor to roller
Corresponding end-faces are sealed, to prevent refrigerant from being leaked from the corresponding end-faces of roller；
The sealing structure includes：
Ring-shaped groove is arranged on the end face of the roller around the endoporus of the roller；
Sealing strip is arranged in the ring-shaped groove, and the roller is sealed the end face of roller by the sealing strip；
Link slot, the link slot are penetrated through from the inner hole wall of the roller to the ring-shaped groove on the end face of the roller；
And the link slot extends on the bottom surface of the ring-shaped groove, so that the bottom of link slot and the sealing strip are along roller
Axis is upwardly formed the first gap.
2. compressor as described in claim 1, which is characterized in that
Size of the sealing strip in the axial direction of roller is more than size of the ring-shaped groove in the axial direction of roller, so that institute
State the end face that sealing strip protrudes from the roller.
3. compressor as claimed in claim 2, which is characterized in that
The difference of size of size of the sealing strip in the axial direction of roller with the ring-shaped groove in the axial direction of roller is big
In 0 and be less than or equal to 0.2mm；
And/or the sealing strip and the ring-shaped groove along roller transition in the radial direction or interference fit.
4. compressor as described in claim 1, which is characterized in that
Size of the sealing strip in the axial direction of roller is less than or equal to size of the ring-shaped groove in the axial direction of roller.
5. compressor as claimed in claim 4, which is characterized in that
The link slot is the slot extended along the radial direction of the roller.
6. compressor as claimed in claim 4, which is characterized in that
The difference of size of size of the ring-shaped groove in the axial direction of roller with the sealing strip in the axial direction of roller is big
In equal to 0 and less than or equal to 0.2mm；
And/or the sealing strip coordinates with the ring-shaped groove in the transition in the radial direction along roller.
7. such as compressor according to any one of claims 1 to 6, which is characterized in that
The sealing strip is annular sealing strip；Or the sealing strip is to have imperfect annular sealing strip jaggy.
8. such as compressor according to any one of claims 1 to 6, which is characterized in that
The cross sectional shape of the sealing strip is rectangle, and the length of two adjacent seamed edges of the rectangle is 1~2mm.
9. such as compressor according to any one of claims 1 to 6, which is characterized in that
The shape of the cross section of one end opposite with the bottom of ring-shaped groove of the sealing strip is arc-shaped.
10. such as compressor according to any one of claims 1 to 6, which is characterized in that
The sealing strip is made of polytetrafluoroethylene (PTFE), polyether-ether-ketone, silica gel or fluorubber.
11. a kind of air conditioner, which is characterized in that including the compressor described in any one of claims 1 to 10.
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 CN106351834A (en) | 2017-01-25 |
| CN106351834B true 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 |
|---|---|
| CN106351834A (en) | 2017-01-25 |
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