CN104632622A - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN104632622A CN104632622A CN201310549784.9A CN201310549784A CN104632622A CN 104632622 A CN104632622 A CN 104632622A CN 201310549784 A CN201310549784 A CN 201310549784A CN 104632622 A CN104632622 A CN 104632622A
- Authority
- CN
- China
- Prior art keywords
- relief opening
- star
- guiding valve
- housing
- limit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention 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 invention, 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 present invention relates to compressor field, more specifically, relate 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 segment hub seal housing 3, segment hub seal housing 3 is provided with star wheel groove, star-wheel side sealing face 5 is formed between star wheel groove and star-wheel 2, segment hub seal housing 3 is provided with relief opening 4, and pressurized gas is finally gone out from this relief opening 4 dispatch.
But, a limit closest to star-wheel side sealing face 5 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 this edge closest to star-wheel side sealing face 5 of relief opening 4, the enclosed volume that formed between star-wheel side sealing limit and the spiral chute of screw rod 1 just can not be gone out by dispatch in time, and then this portion gas can by secondary compression, finally produces power loss and the problem such as noise, vibration increasing.
Summary of the invention
The present invention aims to provide a kind of compressor, the problem that the power loss produced by secondary compression because of gas with the compressor solving prior art and noise, vibration strengthen.
For solving the problems of the technologies described above, the invention provides a kind of compressor, comprise screw rod, star-wheel and segment hub seal housing, segment hub seal housing is 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 being arranged on star wheel groove side, and a summit of relief opening is arranged on star-wheel side sealing face, and summit be arranged on star wheel groove go out increment.
Further, the spiral chute of screw rod, form gas seal chamber between the flank of tooth of star-wheel and the inwall of segment hub seal housing, the gas in gas seal chamber is discharged from relief opening.
Further, relief opening has three limits.
Further, relief opening comprises star-wheel side sealing limit that head and the tail connect successively, housing relief opening plays initial line and housing relief opening terminates limit, and the intersection point that star-wheel side sealing limit and housing relief opening terminate 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, guiding valve seal casinghousing form guiding valve sealing strip with the joint of segment hub seal housing, guiding valve is arranged in guiding valve seal casinghousing, a part for guiding valve is arranged on segment hub seal housing, and a part for relief opening is arranged on guiding valve.
Further, relief opening comprises star-wheel side sealing limit that head and the tail connect successively, guiding valve relief opening plays initial line, guiding valve relief opening terminates limit and housing relief opening terminates limit, and the intersection point that star-wheel side sealing limit and housing relief opening terminate 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 rises between initial line and/or be arranged on guiding valve relief opening and play initial line and guiding valve relief opening terminates between limit.
Further, star-wheel side sealing limit is straight line.
The present invention, by being arranged on star-wheel side sealing face on relief opening summit, making pressurized gas all can discharge from relief opening, prevents the secondary compression of pressurized gas, thus avoids the problem that compressor produces power loss and noise, vibration increasing etc.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the structural representation of compressor of the prior art;
Fig. 2 diagrammatically illustrates the fundamental diagram of compressor of the prior art;
Fig. 3 diagrammatically illustrates the structural representation of the relief opening of compressor of the prior art;
Fig. 4 diagrammatically illustrates the structural representation of the relief opening of compressor in an embodiment in the present invention;
Fig. 5 diagrammatically illustrates the A portion enlarged view in Fig. 4;
Fig. 6 diagrammatically illustrates the structural representation of the relief opening of compressor in another embodiment in the present invention; And
Fig. 7 diagrammatically illustrates the B portion enlarged view in Fig. 6.
Reference character in figure: 1, screw rod; 2, star-wheel; 3, segment hub seal housing; 4, relief opening; 5, star-wheel side sealing face; 20, star-wheel; 30, segment hub seal housing; 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 terminates limit; 44, guiding valve relief opening plays initial line; 45, guiding valve relief opening terminates limit; 46, guiding valve sealing strip; 50, guiding valve.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
The invention provides a kind of compressor, please refer to Fig. 4 to Fig. 7, this compressor comprises screw rod, star-wheel 20 and segment hub seal housing 30, segment hub seal housing 30 is 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 being arranged on star wheel groove side, and a summit of relief opening 40 is arranged on housing star-wheel side sealing face 33, and summit be arranged on star wheel groove go out increment.
As shown in Figures 4 to 7, relief opening 40 summit is arranged on star-wheel side sealing face 33, at compressor when being vented, pressurized gas can be made to discharge from a limit of relief opening 40 and pass to this summit place gradually, finally terminating exhaust from this summit; 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 present invention is by being arranged on star-wheel side sealing face 33 by relief opening 40 summit, pressurized gas all can be discharged from relief opening 40, prevent the secondary compression of pressurized gas, thus avoid the problem that compressor produces power loss and noise, vibration increasing etc.
Preferably, the spiral chute of screw rod, form gas seal chamber between the flank of tooth of star-wheel 20 and the inwall of segment hub seal housing 30, 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 is vented from a limit of relief opening 40, is finally vented from crossing with star-wheel side sealing face 33 some end of relief opening 40.
Preferably, relief opening 40 has three limits.Preferably, relief opening is arranged on segment hub seal housing 30.
Preferably, relief opening 40 comprises star-wheel side sealing limit 42 that head and the tail connect successively, housing relief opening plays initial line 41 and housing relief opening terminates limit 43, and the intersection point that star-wheel side sealing limit 42 and housing relief opening terminate 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 to be vented and passes to the point of intersection in relief opening 40 and star-wheel side sealing face 33 gradually, finally terminates exhaust in this point of intersection.
Preferably, housing relief opening plays the side that initial line 41 is arranged on the close gas seal chamber of relief opening 40, and the spiral fluted addendum line that housing relief opening plays initial line 41 and screw rod matches.Housing relief opening is played initial line 41 is arranged to match with the spiral fluted addendum line of screw rod, the whole piece limit of pressurized gas initial line 41 from this housing relief opening can be made to start exhaust, instead of two tips of initial line 41 start exhaust from housing relief opening; Like this, can prevent pressurized gas from occurring as the phenomenon such as vortex, turbulent flow, thus effectively can 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 segment hub seal housing 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 segment hub seal housing 30, and a part for relief opening 40 is arranged on guiding valve 50.A part for relief opening 40 be arranged on guiding valve 50, staff just can regulate the size of relief opening 40 by regulating slide valve 50.
Preferably, relief opening 40 comprises star-wheel side sealing limit 42 that head and the tail connect successively, guiding valve relief opening plays initial line 44, guiding valve relief opening terminates limit 45 and housing relief opening terminates limit 43, and the intersection point that star-wheel side sealing limit 42 and housing relief opening terminate limit 43 is arranged on star-wheel side sealing face 33.Like this, in the exhaust process of compressor, pressurized gas can be passed to the point of intersection in relief opening 40 and star-wheel side sealing face 33 gradually by initial line 44 when being vented from star-wheel side sealing limit 42 and guiding valve relief opening, finally terminate exhaust at this intersection point.
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 the spiral fluted addendum line that guiding valve relief opening plays initial line 44 and screw rod matches.Like this, pressurized gas whole piece limit of initial line 44 from guiding valve relief opening can be made equally to start exhaust, prevent pressurized gas from occurring as the phenomenon such as eddy current, turbulent flow, thus effectively can 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 rises between initial line 44 and/or be arranged on guiding valve relief opening and play initial line 44 and guiding valve relief opening terminates between limit 45.Staff by the length of adjustment guiding valve 50 just adjustable guiding valve sealing strip 46, 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 shape such as curve or broken line.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a compressor, comprise screw rod, star-wheel (20) and segment hub seal housing (30), described segment hub seal housing (30) is 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) being arranged on described star wheel groove side, it is characterized in that, a summit of described relief opening (40) is arranged on described star-wheel side sealing face (33), and described summit be arranged on described star wheel groove go out increment.
2. compressor according to claim 1, it is characterized in that, form gas seal chamber between the flank of tooth of the spiral chute of described screw rod, described star-wheel (20) and the inwall of described segment hub seal housing (30), 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 star-wheel side sealing limit (42) that head and the tail connect successively, housing relief opening plays initial line (41) and housing relief opening terminates limit (43), and the intersection point that described star-wheel side sealing limit (42) and described housing relief opening terminate 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, described guiding valve seal casinghousing form guiding valve sealing strip (46) with the joint of described segment hub seal housing (30), described guiding valve (50) is arranged in described guiding valve seal casinghousing, a part for described guiding valve (50) is arranged on described segment hub seal housing (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 star-wheel side sealing limit (42) that head and the tail connect successively, guiding valve relief opening plays initial line (44), guiding valve relief opening terminates limit (45) and housing relief opening terminates limit (43), and the intersection point that described star-wheel side sealing limit (42) and described housing relief opening terminate limit (43) is arranged on described star-wheel side sealing face (33).
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 rises between initial line (44) and/or be arranged on described guiding valve relief opening and play initial line (44) and described guiding valve relief opening terminates between limit (45).
10. the compressor according to claim 4 or 6, is characterized in that, described star-wheel side sealing limit (42) is straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310549784.9A CN104632622B (en) | 2013-11-07 | 2013-11-07 | Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310549784.9A CN104632622B (en) | 2013-11-07 | 2013-11-07 | Compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104632622A true CN104632622A (en) | 2015-05-20 |
| CN104632622B CN104632622B (en) | 2017-11-14 |
Family
ID=53211739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310549784.9A Active CN104632622B (en) | 2013-11-07 | 2013-11-07 | Compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104632622B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508243A (en) * | 2016-01-19 | 2016-04-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Single-screw compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062092A (en) * | 2011-01-25 | 2011-05-18 | 深圳振华亚普精密机械有限公司 | Single-stage medium-pressure single-screw air compressor |
| JP2012117477A (en) * | 2010-12-02 | 2012-06-21 | Mitsubishi Electric Corp | Screw compressor |
| CN102803732A (en) * | 2010-03-18 | 2012-11-28 | 大金工业株式会社 | Single screw compressor |
| CN202673692U (en) * | 2012-07-31 | 2013-01-16 | 广东正力精密机械有限公司 | Exhaust port structure of single screw compressor |
| JP2013213418A (en) * | 2012-04-02 | 2013-10-17 | Mitsubishi Electric Corp | Screw compressor |
| CN203532267U (en) * | 2013-11-07 | 2014-04-09 | 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 CN201310549784.9A patent/CN104632622B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102803732A (en) * | 2010-03-18 | 2012-11-28 | 大金工业株式会社 | Single screw compressor |
| JP2012117477A (en) * | 2010-12-02 | 2012-06-21 | Mitsubishi Electric Corp | Screw compressor |
| CN102062092A (en) * | 2011-01-25 | 2011-05-18 | 深圳振华亚普精密机械有限公司 | Single-stage medium-pressure single-screw air compressor |
| JP2013213418A (en) * | 2012-04-02 | 2013-10-17 | Mitsubishi Electric Corp | Screw compressor |
| CN202673692U (en) * | 2012-07-31 | 2013-01-16 | 广东正力精密机械有限公司 | Exhaust port structure of single screw compressor |
| CN203532267U (en) * | 2013-11-07 | 2014-04-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508243A (en) * | 2016-01-19 | 2016-04-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Single-screw compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104632622B (en) | 2017-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202176549U (en) | Secondary first-stage blade for air compressor of high power combustion gas turbine | |
| WO2014200834A8 (en) | Aspirators for producing vacuum using the venturi effect | |
| CA2779844A1 (en) | Solid cone nozzle | |
| CN108412816A (en) | Reducing fan noise structure | |
| EP3018349A3 (en) | Rotary screw compressor | |
| MY195313A (en) | Fill Sheets and Related Fill Pack Assemblies | |
| MX2020002966A (en) | Filter assembly. | |
| WO2018074840A3 (en) | Gas removal device for tension pneumothorax | |
| CN104632622A (en) | Compressor | |
| CN202381217U (en) | Branched silencer | |
| WO2008111215A1 (en) | Diamond dice and method for producing wire using diamond dice | |
| CN203532267U (en) | Compressor | |
| CN204267434U (en) | A kind of constant-current stabilizer for blower fan air inlet | |
| CN104405939A (en) | Three-stage pressure reducer | |
| CN104088794A (en) | Exhausting device, compressor and air conditioner | |
| CN204003480U (en) | A kind of venting gas appliance, compressor and air conditioner | |
| CN105201790A (en) | Pump body structure and compressor | |
| CN204459510U (en) | Noise elimination pipeline is used in combustion gas dispensing | |
| CN204877872U (en) | Pump body structure and compressor | |
| CN201318335Y (en) | Gun head mute device of ionic wind gun | |
| CN206017162U (en) | Reduce the noise-reducing structure of screw compressor gas | |
| CN207485733U (en) | Reduce the impeller of booster aerodynamic noise | |
| CN205278125U (en) | Screw rod machine and exhaust bearing frame assembly thereof | |
| CN203560183U (en) | Flow guide mechanism used for bladeless fan nozzle | |
| CN204186659U (en) | Pneumatic negative pressure device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |