CN203532267U - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN203532267U CN203532267U CN201320701550.7U CN201320701550U CN203532267U CN 203532267 U CN203532267 U CN 203532267U CN 201320701550 U CN201320701550 U CN 201320701550U CN 203532267 U CN203532267 U CN 203532267U
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- CN
- China
- Prior art keywords
- relief opening
- star
- guiding valve
- limit
- screw rod
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a compressor which comprises a screw, a star wheel and a screw seal housing, wherein a star wheel groove is formed in the screw seal housing; a star wheel side seal surface is formed between the star wheel groove and the star wheel; the compressor further comprises an exhaust opening formed in one side of the star wheel groove; one top point of the exhaust opening is arranged on the star wheel side seal surface, and arranged at the tooth outlet end of the star wheel groove. According to the utility model, the top point of the exhaust opening is arranged on the star wheel seal surface to enable high pressure gas to be discharged from the exhaust opening completely, so that the secondary compression of the high pressure gas is prevented, and further the problems that power loss is caused, noise is produced, vibration is increased, and the like are solved.
Description
Technical field
The utility model relates to compressor field, more specifically, relates to a kind of compressor.
Background technique
As shown in Figure 1 to Figure 2, the compressor of prior art mainly comprises screw rod 1, star-wheel 2 and screw rod seal casinghousing 3, on screw rod seal casinghousing 3, be provided with star wheel groove, between star wheel groove and star-wheel 2, form star-wheel side sealing face 5, on screw rod seal casinghousing 3, be provided with relief opening 4, pressurized gas is finally gone out from these relief opening 4 dispatch.
Yet, a limit of the star-wheel side sealing face 5 that approaches most of relief opening 4 of the prior art is parallel with star-wheel side sealing face 5, there is certain distance between the two, like this, in exhaust process, gas in the enclosed volume forming between the spiral chute of this edge that approaches star-wheel side sealing face 5 most of relief opening 4, star-wheel side sealing limit and screw rod 1 just can not be gone out by dispatch in time, and then this portion gas can, by secondary compression, finally produce the problems such as power loss and noise, vibration increasing.
Model utility content
The utility model aims to provide a kind of compressor, the problem that the power loss being produced by secondary compression because of gas with the compressor that solves prior art and noise, vibration strengthen.
For solving the problems of the technologies described above, the utility model provides a kind of compressor, comprise screw rod, star-wheel and screw rod seal casinghousing, on screw rod seal casinghousing, be provided with star wheel groove, and between star wheel groove and star-wheel, form star-wheel side sealing face, compressor also comprises the relief opening that is arranged on star wheel groove one side, and a summit of relief opening is arranged on star-wheel side sealing face, and summit is arranged on the increment that of star wheel groove.
Further, between the inwall of the spiral chute of screw rod, the flank of tooth of star-wheel and screw rod seal casinghousing, form gas seal chamber, the gas in gas seal chamber is discharged from relief opening.
Further, relief opening has three limits.
Further, relief opening comprises that star-wheel side sealing limit, housing relief opening that head and the tail connect successively play initial line and housing relief opening finishes limit, and the intersection point that star-wheel side sealing limit and housing relief opening finish limit is arranged on star-wheel side sealing face.
Further, housing relief opening plays the side that initial line is arranged on the close gas seal chamber of relief opening, and the spiral fluted addendum line that housing relief opening plays initial line and screw rod matches.
Further, compressor also comprises guiding valve, housing also comprises guiding valve seal casinghousing, joint guiding valve seal casinghousing and screw rod seal casinghousing forms guiding valve sealing strip, guiding valve is arranged in guiding valve seal casinghousing, a part for guiding valve is arranged on screw rod seal casinghousing, and a part for relief opening is arranged on guiding valve.
Further, relief opening comprises that star-wheel side sealing limit, the guiding valve relief opening that head and the tail connect successively plays initial line, guiding valve relief opening finishes limit and housing relief opening finishes limit, and the intersection point that star-wheel side sealing limit and housing relief opening finish limit is arranged on star-wheel side sealing face.
Further, guiding valve relief opening plays the side that initial line is arranged on the close gas seal chamber of relief opening, and the spiral fluted addendum line that guiding valve relief opening plays initial line and screw rod matches.
Further, relief opening also comprises housing guiding valve sealing strip, and guiding valve sealing strip is arranged on housing star-wheel side sealing face and guiding valve relief opening and rises between initial line and/or be arranged on that guiding valve relief opening plays initial line and guiding valve relief opening finishes between limit.
Further, star-wheel side sealing limit is straight line.
The utility model is by being arranged on a summit of relief opening on star-wheel side sealing face, pressurized gas can all be discharged from relief opening, prevent the secondary compression of pressurized gas, thereby avoided compressor to produce the problem of power loss and noise, vibration increasing etc.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structural representation of compressor of the prior art;
Fig. 2 has schematically shown the fundamental diagram of compressor of the prior art;
Fig. 3 has schematically shown the structural representation of the relief opening of compressor of the prior art;
Fig. 4 has schematically shown the structural representation of the relief opening of compressor in an embodiment in the utility model;
Fig. 5 has schematically shown the A portion enlarged view in Fig. 4;
Fig. 6 has schematically shown the structural representation of the relief opening of compressor in another embodiment in the utility model; And
Fig. 7 has schematically shown the B portion enlarged view in Fig. 6.
Reference character in figure: 1, screw rod; 2, star-wheel; 3, screw rod seal casinghousing; 4, relief opening; 5, star-wheel side sealing face; 20, star-wheel; 30, screw rod seal casinghousing; 33, star-wheel side sealing face; 40, relief opening; 41, housing relief opening plays initial line; 42, star-wheel side sealing limit; 43, housing relief opening finishes limit; 44, guiding valve relief opening plays initial line; 45, guiding valve relief opening finishes limit; 46, guiding valve sealing strip; 50, guiding valve.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
The utility model provides a kind of compressor, please refer to Fig. 4 to Fig. 7, this compressor comprises screw rod, star-wheel 20 and screw rod seal casinghousing 30, on screw rod seal casinghousing 30, be provided with star wheel groove, and form star-wheel side sealing face 33 between star wheel groove and star-wheel 20, compressor also comprises the relief opening 40 that is arranged on star wheel groove one side, and a summit of relief opening 40 is arranged on housing star-wheel side sealing face 33, and summit is arranged on the increment that of star wheel groove.
As shown in Figures 4 to 7, a summit of relief opening 40 is arranged on star-wheel side sealing face 33, at compressor, during in exhaust, can makes pressurized gas start to discharge and gradually to this summit passing, finally from this summit, finish exhaust from a limit of relief opening 40; Owing to there is no distance between relief opening 40 and star-wheel side sealing face 33, so pressurized gas can all be discharged from relief opening 40.
The utility model is by being arranged on a summit of relief opening 40 on star-wheel side sealing face 33, pressurized gas can all be discharged from relief opening 40, prevent the secondary compression of pressurized gas, thereby avoided compressor to produce the problem of power loss and noise, vibration increasing etc.
Preferably, between the flank of tooth of the spiral chute of screw rod, star-wheel 20 and the inwall of screw rod seal casinghousing 30, form gas seal chamber, the gas in gas seal chamber is discharged from relief opening 40.In the exhaust process of compressor, the gas in this gas seal chamber starts exhaust from a limit of relief opening 40, finally from relief opening 40, a bit finishes exhaust with star-wheel side sealing face 33 intersects.
Preferably, relief opening 40 has three limits.Preferably, relief opening is arranged on screw rod seal casinghousing 30.
Preferably, relief opening 40 comprises that star-wheel side sealing limit 42, housing relief opening that head and the tail connect successively play initial line 41 and housing relief opening finishes limit 43, and the intersection point that star-wheel side sealing limit 42 and housing relief opening finish limit 43 is arranged on star-wheel side sealing face 33.Like this, in the exhaust process of compressor, pressurized gas initial line 41 from housing relief opening starts exhaust and to relief opening 40 and the intersection point of star-wheel side sealing face 33, passes gradually, finally at this intersection point place, finishes exhaust.
Preferably, housing relief opening plays the side that initial line 41 is arranged on the close gas seal chamber of relief opening 40, and housing relief opening plays initial line 41 and matches with the spiral fluted addendum line of screw rod.Housing relief opening is played to initial line 41 and is arranged to that spiral fluted addendum line with screw rod matches, can make the whole piece limit of pressurized gas initial line 41 from this housing relief opening start exhaust, rather than from housing relief opening initial line 41 two most advanced and sophisticatedly start exhausts; Like this, can prevent that pressurized gas from occurring as phenomenons such as vortex, turbulent flows, thereby can effectively reduce pressure loss, reduction exhaust sound, and then improve the performance of compressor.
Preferably, compressor also comprises guiding valve 50, housing also comprises guiding valve seal casinghousing, the joint of guiding valve seal casinghousing and screw rod seal casinghousing 30 forms guiding valve sealing strip 46, guiding valve 50 is arranged in guiding valve seal casinghousing, a part for guiding valve 50 is arranged on screw rod seal casinghousing 30, and a part for relief opening 40 is arranged on guiding valve 50.A part for relief opening 40 is arranged on guiding valve 50, and staff just can regulate by regulating slide valve 50 size of relief opening 40.
Preferably, relief opening 40 comprises that star-wheel side sealing limit 42, the guiding valve relief opening that head and the tail connect successively plays initial line 44, guiding valve relief opening finishes limit 45 and housing relief opening finishes limit 43, and star-wheel side sealing limit 42 is arranged on star-wheel side sealing face 33 with the intersection point that housing relief opening finishes limit 43.Like this, in the exhaust process of compressor, pressurized gas can be passed to relief opening 40 and the intersection point of star-wheel side sealing face 33 gradually by initial line 44 when exhaust from star-wheel side sealing limit 42 and guiding valve relief opening, finally at this intersection point, finish exhaust.
Preferably, guiding valve relief opening plays the side that initial line 44 is arranged on the close gas seal chamber of relief opening 40, and guiding valve relief opening plays initial line 44 and matches with the spiral fluted addendum line of screw rod.Like this, can make equally pressurized gas start exhaust in the whole piece limit of initial line 44 from guiding valve relief opening, prevent that pressurized gas from occurring as phenomenons such as eddy current, turbulent flows, thereby can effectively reduce pressure loss, reduction exhaust noise, and then improve the performance of compressor.
Preferably, relief opening 40 also comprises housing guiding valve sealing strip 46, and guiding valve sealing strip 46 is arranged on housing star-wheel side sealing face 33 and guiding valve relief opening and rises between initial line 44 and/or be arranged on that guiding valve relief opening plays initial line 44 and guiding valve relief opening finishes between limit 45.Staff passes through to adjust the just length of capable of regulating guiding valve sealing strip 46 of guiding valve 50, and then can adjust the size of relief opening 40.
Preferably, star-wheel side sealing limit 42 is straight line.According to actual conditions, star-wheel side sealing limit 42 also can be set to the shapes such as curve or broken line.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a compressor, comprise screw rod, star-wheel (20) and screw rod seal casinghousing (30), on described screw rod seal casinghousing (30), be provided with star wheel groove, and form star-wheel side sealing face (33) between described star wheel groove and described star-wheel (20), described compressor also comprises the relief opening (40) that is arranged on described star wheel groove one side, it is characterized in that, it is upper that a summit of described relief opening (40) is arranged on described star-wheel side sealing face (33), and described summit is arranged on the increment that of described star wheel groove.
2. compressor according to claim 1, it is characterized in that, between the inwall of the flank of tooth of the spiral chute of described screw rod, described star-wheel (20) and described screw rod seal casinghousing (30), form gas seal chamber, the gas in described gas seal chamber is discharged from described relief opening (40).
3. compressor according to claim 2, is characterized in that, described relief opening (40) has three limits.
4. compressor according to claim 2, it is characterized in that, described relief opening (40) comprises that star-wheel side sealing limit (42), housing relief opening that head and the tail connect successively play initial line (41) and housing relief opening finishes limit (43), and the intersection point that described star-wheel side sealing limit (42) and described housing relief opening finish limit (43) is arranged on described star-wheel side sealing face (33).
5. compressor according to claim 4, it is characterized in that, described housing relief opening plays the side that initial line (41) is arranged on the close described gas seal chamber of described relief opening (40), and the described spiral fluted addendum line that described housing relief opening plays initial line (41) and described screw rod matches.
6. compressor according to claim 2, it is characterized in that, described compressor also comprises guiding valve (50), described housing also comprises guiding valve seal casinghousing, joint described guiding valve seal casinghousing and described screw rod seal casinghousing (30) forms guiding valve sealing strip (46), described guiding valve (50) is arranged in described guiding valve seal casinghousing, it is upper that a part for described guiding valve (50) is arranged on described screw rod seal casinghousing (30), and a part for described relief opening (40) is arranged on described guiding valve (50).
7. compressor according to claim 6, it is characterized in that, described relief opening (40) comprises that star-wheel side sealing limit (42), the guiding valve relief opening that head and the tail connect successively plays initial line (44), guiding valve relief opening finishes limit (45) and housing relief opening finishes limit (43), and described star-wheel side sealing limit (42) is arranged on described star-wheel side sealing face (33) with the intersection point that described housing relief opening finishes limit (43).
8. compressor according to claim 7, it is characterized in that, described guiding valve relief opening plays the side that initial line (44) is arranged on the close described gas seal chamber of described relief opening (40), and the described spiral fluted addendum line that described guiding valve relief opening plays initial line (44) and described screw rod matches.
9. compressor according to claim 7, it is characterized in that, described relief opening (40) also comprises housing guiding valve sealing strip (46), and described guiding valve sealing strip (46) is arranged on described housing star-wheel side sealing face (33) and described guiding valve relief opening and rises between initial line (44) and/or be arranged on that described guiding valve relief opening plays initial line (44) and described guiding valve relief opening finishes between limit (45).
10. according to the compressor described in claim 4 or 6, it is characterized in that, described star-wheel side sealing limit (42) is straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320701550.7U CN203532267U (en) | 2013-11-07 | 2013-11-07 | Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320701550.7U CN203532267U (en) | 2013-11-07 | 2013-11-07 | Compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203532267U true CN203532267U (en) | 2014-04-09 |
Family
ID=50418481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320701550.7U Withdrawn - After Issue CN203532267U (en) | 2013-11-07 | 2013-11-07 | Compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203532267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632622A (en) * | 2013-11-07 | 2015-05-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
-
2013
- 2013-11-07 CN CN201320701550.7U patent/CN203532267U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632622A (en) * | 2013-11-07 | 2015-05-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140409 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |