CN104728113B - The capacity-variable structure and compressor of screw compressor - Google Patents
The capacity-variable structure and compressor of screw compressor Download PDFInfo
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- CN104728113B CN104728113B CN201310713562.6A CN201310713562A CN104728113B CN 104728113 B CN104728113 B CN 104728113B CN 201310713562 A CN201310713562 A CN 201310713562A CN 104728113 B CN104728113 B CN 104728113B
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- transfiguration
- buffer unit
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- cover board
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Abstract
The present invention provides a kind of capacity-variable structure of screw compressor and compressor, the capacity-variable structure of screw compressor includes: including transfiguration cover board, transfiguration piston valve, fixed scroll；Transfiguration slot is arranged in fixed scroll；Transfiguration space is collectively formed in transfiguration cover board and transfiguration slot；Transfiguration cover board includes cover board contact face；Transfiguration slot includes quiet disk contact face；Transfiguration piston valve is arranged in transfiguration space, and transfiguration piston valve includes and the quiet opposite first end face of disk contact face and the second end face opposite with cover board contact face；The first buffer unit is set between first end face and quiet disk contact face；Second buffer unit is set between second end face and cover board contact face.Its structure is simple, noise low in cost, when can effectively buffer the shock of transfiguration piston valve body and reduce its movement, while improving the leakproofness of end face, so as to effectively avoid the gas under non-transfiguration state from leaking, guarantee screw compressor in the efficient and high-performance of non-transfiguration state.
Description
Technical field
The present invention relates to field of air conditioning, in particular to the capacity-variable structure and compressor of a kind of screw compressor.
Background technique
With the continuous development of society and continuous improvement of people's living standards, air-conditioning have become most important in for people's lives
One of electric appliance, and high energy efficiency when transfiguration screw compressor can be realized underload because of it, and there is high reliability and low
The features such as vibration and be widely applied in variable air-conditioning system.
Currently, transfiguration screw compressor is to realize compression chamber gas and suction chamber by opening up transfiguration hole at the top of quiet disk
The connection of gas (or low-pressure gas) realizes the adjusting of compressor section load to reduce the discharge capacity of compression chamber.Transfiguration is vortexed
The piston valve of compressor is during moving up and down, inevitable lower end surface and cover board direct collision with transfiguration hole.In spring and autumn
When saving running on the lower load, transfiguration valve body acts frequently, the collision of piston valve and upper and lower end face.Not only possible two contacts of damage
End face, but also biggish mechanical noise can be brought, reduce the comfort of air-conditioning.
Summary of the invention
The object of the present invention is to provide a kind of capacity-variable structure of screw compressor and compressors, and structure is simple, at low cost
Honest and clean, when can effectively buffer the shock of transfiguration piston valve body and reduce its movement noise, while the leakproofness of end face is improved,
So as to effectively avoid the gas under non-transfiguration state from leaking, guarantee screw compressor in the high efficiency and height of non-transfiguration state
It can property.
To achieve the above object, the technical scheme adopted by the invention is that:
A kind of capacity-variable structure of screw compressor, including transfiguration cover board, transfiguration piston valve, fixed scroll；
Transfiguration slot is arranged in the fixed scroll；
The transfiguration cover board covers the transfiguration slot, and transfiguration space is collectively formed with the transfiguration slot；
The transfiguration cover board includes the cover board contact face towards the transfiguration space；
The transfiguration slot includes the quiet disk contact face opposite with the cover board contact face；
The transfiguration piston valve setting is done in the transfiguration space, and in the transfiguration space relative to the cover board
The reciprocating motion of contact face and the quiet disk contact face；
The transfiguration piston valve include the first end face opposite with the quiet disk contact face and with the cover board contact jaw
The opposite second end face in face；
The first buffer unit is set between the first end face and the quiet disk contact face；
The second buffer unit is set between the second end face and the cover board contact face.
First buffer unit is in the first end face and/or the quiet disk contact in one of the embodiments,
The polymer of end face spraying；
Second buffer unit is the polymer sprayed in the second end face and/or the cover board contact face.
First buffer unit and second buffer unit are circular ring type washer in one of the embodiments,.
The ring cross-section of first buffer unit and second buffer unit is U in one of the embodiments,
Type.
The material of first buffer unit and second buffer unit is rubber in one of the embodiments,.
Quiet the first buffering of disk contact face setting groove in one of the embodiments,；
The first buffer unit setting is in the first buffering groove；
The second buffering of cover board contact face setting groove；
The second buffer unit setting is in the second buffering groove.
In one of the embodiments, first buffer unit and it is described first buffering groove between and described second
Cooperation between buffer unit and the second buffering groove is interference fit.
First buffer unit is higher than the first buffering groove in one of the embodiments,；
Second buffer unit is higher than the second buffering groove.
The first end face setting third buffers groove in one of the embodiments,；
The first buffer unit setting is in third buffering groove；
The 4th buffering groove of second end face setting；
The second buffer unit setting is in the 4th buffering groove.
Matching between first buffer unit and third buffering groove is combined into interference in one of the embodiments,
Cooperation；
Matching between second buffer unit and the 4th buffering groove is combined into interference fit.
First buffer unit is higher than third buffering groove in one of the embodiments,；
Second buffer unit is higher than the 4th buffering groove.
A kind of compressor, the capacity-variable structure of the screw compressor including any of the above technical characteristic.
The beneficial effects of the present invention are:
By using first end face and quiet disk contact face, the first buffer unit, second end face and cover board contact face are set
Second buffer unit is set, so that the present invention has the advantage that structure is simple, it is low in cost, it can effectively buffer transfiguration
The shock of piston valve body and noise when reducing its movement, while the leakproofness of end face is improved, so as to effectively avoid non-change
Gas leakage under appearance state, guarantees screw compressor in the efficient and high-performance of non-transfiguration state.
Detailed description of the invention
Fig. 1 is one example structure schematic diagram of capacity-variable structure of screw compressor of the invention；
Fig. 2 is one embodiment schematic diagram of the first buffer unit in Fig. 1；
Fig. 3 is diagrammatic cross-section in Fig. 2；
Fig. 4 is one embodiment assembling schematic diagram of the first buffer unit；
Fig. 5 is another embodiment assembling schematic diagram of the first buffer unit；
Wherein: 1 transfiguration cover board;2 transfiguration piston valves；3 fixed scrolls；4 transfiguration slots；5 transfiguration spaces；6 quiet disk contact faces；
7 first end faces；8 first buffer units；9 second end faces；10 second buffer units；11 cover board contact faces；12 first buffer trenches
Slot；13 thirds buffer groove；14 the 4th buffering grooves.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments
The capacity-variable structure and compressor of screw compressor of the invention are further elaborated.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
To achieve the above object, the technical scheme adopted by the invention is that:
As shown in Figure 1, a kind of capacity-variable structure of screw compressor, including transfiguration cover board 1, transfiguration piston valve 2, fixed scroll
3；
Transfiguration slot 4 is arranged in fixed scroll 3；
Transfiguration cover board 1 covers transfiguration slot 4, and transfiguration space 5 is collectively formed with transfiguration slot 4；
Transfiguration cover board 1 includes the cover board contact face 11 towards transfiguration space 5；
Transfiguration slot 4 includes the quiet disk contact face 6 opposite with cover board contact face 11；
The setting of transfiguration piston valve 2 is done in transfiguration space 5, and in transfiguration space 5 relative to 11 He of cover board contact face
The reciprocating motion of quiet disk contact face 6；
Transfiguration piston valve 2 includes the first end face 7 opposite with quiet disk contact face 6 and opposite with cover board contact face 11
Second end face 9；
First buffer unit 8 is set between first end face 7 and quiet disk contact face 6；
Second buffer unit 10 is set between second end face 9 and cover board contact face 11.
By using 9 He of the first buffer unit 8 and second end face is arranged between first end face 7 and quiet disk contact face 6
Structure as second buffer unit 10 is set between cover board contact face 11, can make transfiguration piston valve 2 in transfiguration space 5
When doing the reciprocating motion relative to cover board contact face 11 and quiet disk contact face 6, buffering transfiguration piston valve 2 and quiet disk contact jaw
Shock between face 6 and cover board contact face 11 reduces noise when buffering transfiguration piston valve 2 acts, while can also improve the
Leakproofness between one end face 7 and quiet disk contact face 6 efficiently avoids the gas leakage under non-transfiguration state, guarantees
Non- transfiguration state high efficiency and it is high-performance.
As an embodiment, the first buffer unit 8 is to spray in first end face 7 and/or quiet disk contact face 6
Polymer；
Second buffer unit 10 is the polymer sprayed in second end face 9 and/or cover board contact face 11.
Polymer can be rubber or plastics, and however, it is not limited to this.
It in this way can be in production transfiguration cover board 1 and/or transfiguration piston valve 2 and/or fixed scroll 3 simultaneously by the first buffer part
Part 8 and the second buffer unit 10 directly make, and are fabricated to transfiguration cover board 1 and/or transfiguration piston valve 2 and/or fixed scroll 3
One entirety, production is very simple, and is conducive to the installation of the capacity-variable structure.
As shown in Figure 2,3, as an embodiment, the first buffer unit 8 and the second buffer unit 10 are annulus
Type washer.
In this way when the first buffer unit 8 and the second buffer unit 10 damage, it can be replaced, improve service life.
As an embodiment, the ring cross-section of the first buffer unit 8 and the second buffer unit 10 is U-shaped.
Since the deformation effect of U-shaped structure is good, the ring cross-section of the first buffer unit 8 and the second buffer unit 10 is U
Type can be improved buffering effect.
As an embodiment, the material of the first buffer unit 8 and the second buffer unit 10 is rubber.
As shown in figure 4, as an embodiment, quiet first buffering of the setting of disk contact face 6 groove 12；
The setting of first buffer unit 8 is in the first buffering groove 12；
Cover board contact face 11 setting second buffering groove (due to first buffering 12 structure of groove it is identical, do not show
Out, it can refer to Fig. 4)；
The setting of second buffer unit 10 is in the second buffering groove.
The first buffer unit 8 and the second buffer unit 10 can be made to be fixedly mounted in quiet disk contact face 6 and lid in this way
It in plate contact face 11, avoids damaging because rubbing to the first buffer unit 8 and the second buffer unit 10, to extend the
The service life of one buffer unit 8 and the second buffer unit 10.
As an embodiment, between the first buffer unit 8 and the first buffering groove 12 and the second buffer unit
10 and second buffering groove between cooperation be interference fit.
It can make between the first buffer unit 8 and the first buffering groove 12 in this way in disk contact face 6 and cover board contact jaw
Being more firmly mounted on face 11 is reliable.
As an embodiment, the first buffer unit 8 is higher than the first buffering groove 12；
Second buffer unit is higher than the second buffering groove.
It can do in this way and guarantee that the first buffer unit 8 and the second buffer unit realize good buffering effect.
As shown in figure 5, as an embodiment, first end face 7 is arranged third and buffers groove 13；
The setting of first buffer unit 8 is 13 in third buffering groove；
The 4th buffering groove 14 of the setting of second end face 9；
The setting of second buffer unit 10 is in the 4th buffering groove 14.
The first buffer unit 8 and the second buffer unit 10 can be made to be fixedly mounted in first end face 7 and second end in this way
On face 9, avoid damaging because rubbing to the first buffer unit 8 and the second buffer unit 10, to extend the first buffer part
The service life of part 8 and the second buffer unit 10.
As an embodiment, matching between the first buffer unit 8 and third buffering groove 13 is combined into interference fit；
Matching between the second buffer unit 10 and the 4th buffering groove 14 is combined into interference fit.
It can make between the first buffer unit 8 and the first buffering groove 12 in this way in first end face 7 and second end face 9
It is more firmly mounted reliable.
As an embodiment, the first buffer unit 8 is higher than third buffering groove 13；
Second buffer unit 10 is higher than the 4th buffering groove 14.
It can guarantee that the first buffer unit 8 and the second buffer unit realize good buffering effect in this way.
A kind of compressor, the capacity-variable structure of the screw compressor including any of the above technical characteristic.
The capacity-variable structure of screw compressor in the compressor of the present embodiment has technology identical with above embodiments special
Sign, is no longer described in detail one by one herein.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (4)
1. a kind of capacity-variable structure of screw compressor, it is characterised in that:
Including transfiguration cover board, transfiguration piston valve, fixed scroll；
Transfiguration slot is arranged in the fixed scroll；
The transfiguration cover board covers the transfiguration slot, and transfiguration space is collectively formed with the transfiguration slot；
The transfiguration cover board includes the cover board contact face towards the transfiguration space；
The transfiguration slot includes the quiet disk contact face opposite with the cover board contact face；
The transfiguration piston valve is arranged in the transfiguration space, and does in the transfiguration space and contact relative to the cover board
The reciprocating motion of end face and the quiet disk contact face；
The transfiguration piston valve include the first end face opposite with the quiet disk contact face and with the cover board contact face phase
Pair second end face；
The first buffer unit is set between the first end face and the quiet disk contact face；
The second buffer unit is set between the second end face and the cover board contact face；
First buffer unit and second buffer unit are circular ring type washer；
The material of first buffer unit and second buffer unit is rubber；
Quiet the first buffering of disk contact face setting groove；
The first buffer unit setting is in the first buffering groove；
The second buffering of cover board contact face setting groove；
The second buffer unit setting is in the second buffering groove；
Between first buffer unit and the first buffering groove and second buffer unit and described second buffers
Cooperation between groove is interference fit；
First buffer unit is higher than the first buffering groove；
Second buffer unit is higher than the second buffering groove.
2. the capacity-variable structure of screw compressor according to claim 1, it is characterised in that:
The ring cross-section of first buffer unit and second buffer unit is U-shaped.
3. a kind of capacity-variable structure of screw compressor, it is characterised in that:
Including transfiguration cover board, transfiguration piston valve, fixed scroll；
Transfiguration slot is arranged in the fixed scroll；
The transfiguration cover board covers the transfiguration slot, and transfiguration space is collectively formed with the transfiguration slot；
The transfiguration cover board includes the cover board contact face towards the transfiguration space；
The transfiguration slot includes the quiet disk contact face opposite with the cover board contact face；
The transfiguration piston valve is arranged in the transfiguration space, and does in the transfiguration space and contact relative to the cover board
The reciprocating motion of end face and the quiet disk contact face；
The transfiguration piston valve include the first end face opposite with the quiet disk contact face and with the cover board contact face phase
Pair second end face；
The first buffer unit is set between the first end face and the quiet disk contact face；
The second buffer unit is set between the second end face and the cover board contact face；
First buffer unit and second buffer unit are circular ring type washer；
The material of first buffer unit and second buffer unit is rubber；
The first end face setting third buffers groove；
The first buffer unit setting is in third buffering groove；
The 4th buffering groove of second end face setting；
The second buffer unit setting is in the 4th buffering groove；
Matching between first buffer unit and third buffering groove is combined into interference fit；
Matching between second buffer unit and the 4th buffering groove is combined into interference fit；
First buffer unit is higher than the third and buffers groove；
Second buffer unit is higher than the 4th buffering groove.
4. a kind of compressor, it is characterised in that:
Capacity-variable structure including claims 1 or 2 or screw compressor as claimed in claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310713562.6A CN104728113B (en) | 2013-12-20 | 2013-12-20 | The capacity-variable structure and compressor of screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310713562.6A CN104728113B (en) | 2013-12-20 | 2013-12-20 | The capacity-variable structure and compressor of screw compressor |
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| Publication Number | Publication Date |
|---|---|
| CN104728113A CN104728113A (en) | 2015-06-24 |
| CN104728113B true CN104728113B (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310713562.6A Active CN104728113B (en) | 2013-12-20 | 2013-12-20 | The capacity-variable structure and compressor of screw compressor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468263B (en) * | 2015-08-18 | 2018-12-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston valve, varying capacity screw compressor and air conditioner |
| CN106481554B (en) * | 2015-09-01 | 2019-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Transfiguration screw compressor and air conditioner with it |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339087A (en) * | 1999-12-06 | 2002-03-06 | 大金工业株式会社 | Scroll compressor and air conditioner |
| CN1908413A (en) * | 2005-08-04 | 2007-02-07 | 株式会社京浜 | Gaseous fuel injection valve |
| CN203067805U (en) * | 2012-12-25 | 2013-07-17 | 温州职业技术学院 | Stop valve |
| CN203670211U (en) * | 2013-12-20 | 2014-06-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable capacity structure for scroll compressor and compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100486603B1 (en) * | 2003-04-21 | 2005-05-03 | 엘지전자 주식회사 | Capacity changeable apparatus for scroll compressor |
-
2013
- 2013-12-20 CN CN201310713562.6A patent/CN104728113B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339087A (en) * | 1999-12-06 | 2002-03-06 | 大金工业株式会社 | Scroll compressor and air conditioner |
| CN1908413A (en) * | 2005-08-04 | 2007-02-07 | 株式会社京浜 | Gaseous fuel injection valve |
| CN203067805U (en) * | 2012-12-25 | 2013-07-17 | 温州职业技术学院 | Stop valve |
| CN203670211U (en) * | 2013-12-20 | 2014-06-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable capacity structure for scroll compressor and compressor |
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|---|---|
| CN104728113A (en) | 2015-06-24 |
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