CN209083550U - Screw compressor - Google Patents
Screw compressor Download PDFInfo
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- CN209083550U CN209083550U CN201821898620.1U CN201821898620U CN209083550U CN 209083550 U CN209083550 U CN 209083550U CN 201821898620 U CN201821898620 U CN 201821898620U CN 209083550 U CN209083550 U CN 209083550U
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- fixed scroll
- check
- valves
- screw compressor
- injection
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Abstract
The embodiments of the present invention disclose a kind of screw compressor, which includes: fixed scroll, the fixed scroll volume which has end plate and stretch out from end plate；Orbiter, the orbiter are rolled up with dynamic vortex, and dynamic vortex volume and fixed scroll volume cooperatively form the compression chamber for compressed media；The injection canal being formed in the end plate of fixed scroll, the injection canal lead to the compression chamber；And check-valves, the check-valves are set on the end plate of fixed scroll, for allowing medium to be injected into the compression chamber by the injection canal, and prevent medium from flowing out the compression chamber by the injection canal.The screw compressor of embodiment according to the present utility model, such as the efficiency of screw compressor can be improved.
Description
Technical field
The utility model relates to a kind of screw compressors.
Background technique
Screw compressor has the injection canal for injecting a fluid into the compression chamber of screw compressor.
Utility model content
The purpose of the embodiments of the present invention is to provide a kind of screw compressor, and scroll compression thus for example can be improved
The efficiency of machine.
The embodiments of the present invention provide a kind of screw compressor, which includes: fixed scroll, this is quiet
The fixed scroll volume that scroll plate has end plate and stretches out from end plate；Orbiter, the orbiter are rolled up with dynamic vortex, dynamic vortex
Volume and fixed scroll volume cooperatively form the compression chamber for compressed media；The injection canal being formed in the end plate of fixed scroll,
The injection canal leads to the compression chamber；And check-valves, the check-valves is set on the end plate of fixed scroll, for allowing
Medium is injected into the compression chamber by the injection canal, and prevents the medium from passing through described in injection canal outflow
Compression chamber.
Embodiment according to the present utility model, the injection canal have rolling up towards fixed scroll in the fixed scroll
Side, the side of the first opening for leading to compression chamber and separate the fixed scroll volume in the fixed scroll second opens
Mouthful；And the screw compressor further includes the injection-tube being connected with the injection canal, which has first end and the
The first end at two ends, the injection-tube is connected at the top of fixed scroll with the second opening of injection canal.
Embodiment according to the present utility model, end plate of the injection canal perpendicular to fixed scroll.
Embodiment according to the present utility model, the check-valves are leaf valves.
Embodiment according to the present utility model, the screw compressor further include: be formed in it is in the end plate of fixed scroll,
Positioned at the side that the separate fixed scroll of the injection canal is rolled up and the check-valves activity space that is connected to the injection canal；
Non-return valve guard, the non-return valve guard are fixed on the end plate of fixed scroll, cover the separate of the check-valves activity space
The opening of the side of fixed scroll volume；And the check-valves baffle passageway through the non-return valve guard, the non-return valve guard
Channel has the first opening for leading to the injection canal and second opening opposite with first opening, and the check-valves
The side towards the injection canal of the non-return valve guard is set, for opening or closing the institute of the non-return valve guard
State the first opening of check-valves baffle passageway；And the first end of the injection-tube is connected to the described of the non-return valve guard and stops
The second opening of valve guard board channel is returned, to connect by the second opening of the check-valves and the injection canal.
Embodiment according to the present utility model, the screw compressor further include: be formed in the remote of the end plate of fixed scroll
One end of each of the recess portion of side from fixed scroll volume, the check-valves and the non-return valve guard is arranged described
In recess portion and it is fixed on the end plate of fixed scroll.
Embodiment according to the present utility model, the screw compressor further include: external feed stream pipeline；And it is formed in institute
The connecting cavity stated in fixed scroll and be connected with the external feed stream pipeline, the second end of the injection-tube are connected to the company
Connect chamber.
Embodiment according to the present utility model, the surface and the quiet whirlpool of the separate fixed scroll volume of the non-return valve guard
The surface of the separate fixed scroll volume of the end plate of capstan flushes.
Embodiment according to the present utility model, the injection canal are one or more injection canals.
The screw compressor of embodiment according to the present utility model, such as the efficiency of screw compressor can be improved.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the screw compressor of embodiment according to the present utility model；
Fig. 2 is the fixed scroll of the screw compressor of embodiment according to the present utility model and is connected to fixed scroll
The schematic isometric for showing end plate side of component；
Fig. 3 is the fixed scroll of the screw compressor of embodiment according to the present utility model and is connected to fixed scroll
The schematic isometric for showing fixed scroll volume side of component；
Fig. 4 is the fixed scroll of the screw compressor of embodiment according to the present utility model and is connected to fixed scroll
The diagrammatic top view for showing end plate side of component；
Fig. 5 is the fixed scroll of the screw compressor of embodiment according to the present utility model and is connected to fixed scroll
The diagrammatic bottom view for showing fixed scroll volume side of component；
Fig. 6 is the fixed scroll of the screw compressor of embodiment according to the present utility model and is connected to fixed scroll
The cross-sectional view of component, wherein check-valves is in close state；
Fig. 7 is the fixed scroll of the screw compressor of embodiment according to the present utility model and is connected to fixed scroll
The cross-sectional view of component, wherein check-valves is in the open state；And
Fig. 8 is the fixed scroll of the screw compressor of embodiment according to the present utility model and is connected to fixed scroll
The signal exploded perspective view of component.
Specific embodiment
The embodiments of the present invention are described with reference to the accompanying drawing.
Referring to Fig. 1 to 8, the screw compressor of embodiment according to the present utility model includes: fixed scroll 10, the quiet vortex
The fixed scroll volume 12 that disk 10 has end plate 11 and stretches out from end plate 11；Orbiter 20, the orbiter 20 have dynamic vortex
Volume 21, dynamic vortex volume 21 and fixed scroll volume 12 cooperatively form the compression chamber for compressed media；It is formed in fixed scroll 10
Injection canal 13 in end plate 11, the injection canal 13 lead to the compression chamber；And check-valves 30, the check-valves 30 are set to
On the end plate 11 of fixed scroll 10, for allowing medium (such as refrigerant) to be injected into the compression by the injection canal 13
Chamber, and prevent medium from flowing out the compression chamber by the injection canal 13.The injection canal 13 can be one or more
Injection canal, and correspondingly check-valves 30 is one or more check-valves.
Referring to Fig. 1, the screw compressor of embodiment according to the present utility model further include: shell 101, is vortexed at motor 102
Seal back plate 91, refrigerant outlet 92.
Referring to Fig. 1 to Fig. 8, embodiment according to the present utility model, the injection canal 13 has in the fixed scroll
10 side towards fixed scroll volume 12, the first opening for leading to compression chamber and in the fixed scroll 10 far from fixed
Second opening of the side of vortex volume 12.The screw compressor further includes injection-tube 40, which has first end 41
Connect with the first end 41 of second end 42, the injection-tube 40 at the top of fixed scroll 10 and the second opening of the injection canal 13
It connects.For example, the injection canal 13 can be perpendicular or substantially perpendicular to the end plate 11 of fixed scroll 10.The check-valves 30 can
To be leaf valve.
Referring to Fig. 1 to Fig. 8, embodiment according to the present utility model, screw compressor further include: be formed in fixed scroll 10
End plate 11 in, positioned at the injection canal 13 separate fixed scroll volume 12 side and with the injection canal 13 connect
Logical check-valves activity space 50；And non-return valve guard 60, the non-return valve guard 60 are fixed on the end plate of fixed scroll 10
On 11, the opening of the side of the separate fixed scroll volume 12 of the check-valves activity space 50 is covered.Screw compressor further includes
Through the check-valves baffle passageway 61 of the non-return valve guard 60, which, which has, leads to the injection canal
13 the first opening and second opening opposite with the first opening.The check-valves be arranged in the non-return valve guard 60 towards institute
The side for stating injection canal 13, first of the check-valves baffle passageway 61 for opening or closing the non-return valve guard 60
Opening.The first end 41 of the injection-tube 40 is connected to the second of the check-valves baffle passageway 61 of the non-return valve guard 60
Opening is connected with the second opening by the check-valves 30 and the injection canal 13.
Referring to Fig. 1 to Fig. 8, embodiment according to the present utility model, screw compressor further include: be formed in fixed scroll 10
End plate 11 separate fixed scroll volume 12 side recess portion 70, it is every in the check-valves 30 and the non-return valve guard 60
One one end is arranged in the recess portion 70 and is fixed on the end plate 11 of fixed scroll 10.The non-return valve guard 60 it is remote
The surface that surface from fixed scroll volume 12 can roll up 12 with the separate fixed scroll of the end plate 11 of the fixed scroll 10 flushes.
Referring to fig. 2, Fig. 4, Fig. 8, embodiment according to the present utility model, screw compressor further include: external feed stream pipeline
80, and the connecting cavity for being formed in the fixed scroll 10 and being connected with the external feed stream pipeline 80, the injection-tube 40
Second end 42 be connected in the connecting cavity so that medium (such as refrigerant) can enter external feed stream pipeline 80 it
Afterwards, successively via the connecting cavity, the injection-tube, the injection canal and enter screw compressor compression chamber in.
As shown in fig. 6, the non-return valve guard that check-valves 30 closes non-return valve guard 60 is logical in the case where being not injected into medium
First opening (lower openings) in road 61, injection canal 13 is closed as a result,.
As shown in fig. 7, check-valves 30 is pushed open by high pressure gas in the case where injected media, check-valves 30 opens non-return
First opening (lower openings) of the check-valves baffle passageway 61 of valve guard 60, injection canal 13 is turned on as a result,.
The screw compressor of embodiment according to the present utility model, such as the efficiency of screw compressor can be improved.
The screw compressor of embodiment according to the present utility model due to using injection-tube 40, rather than uses direct
It is formed in the channel in the end plate 11 of fixed scroll 10, therefore the gas for avoiding end plate and injection ask caused by heat exchange
Topic.Power consumption and medium injection rate are thus reduced, the efficiency and reliability of screw compressor is improved.
The screw compressor of embodiment according to the present utility model avoids in injection canal due to using check-valves
Gas by Repeated Compression, thus reduce power consumption, improve the efficiency of screw compressor.
Claims (9)
1. a kind of screw compressor, characterized by comprising:
Fixed scroll, the fixed scroll volume which has end plate and stretch out from end plate；
Orbiter, the orbiter are rolled up with dynamic vortex, and dynamic vortex volume and fixed scroll volume are cooperatively formed for compressed media
Compression chamber；
The injection canal being formed in the end plate of fixed scroll, the injection canal lead to the compression chamber；And
Check-valves, the check-valves are set on the end plate of fixed scroll, for allowing medium to inject by the injection canal
Into the compression chamber, and prevent the medium from flowing out the compression chamber by the injection canal.
2. screw compressor according to claim 1, it is characterised in that:
The injection canal has in the side that the fixed scroll is rolled up towards fixed scroll, first opening of leading to compression chamber
Mouthful and the fixed scroll separate fixed scroll roll up side second be open；And
The screw compressor further includes the injection-tube being connected with the injection canal, which has first end and second
The first end at end, the injection-tube is connected at the top of fixed scroll with the second opening of injection canal.
3. screw compressor according to claim 2, it is characterised in that:
End plate of the injection canal perpendicular to fixed scroll.
4. screw compressor according to claim 2, it is characterised in that:
The check-valves is leaf valve.
5. screw compressor according to claim 4, it is characterised in that further include:
Be formed in it is in the end plate of fixed scroll, positioned at the injection canal separate fixed scroll roll up side and with it is described
The check-valves activity space of injection canal connection；
Non-return valve guard, the non-return valve guard are fixed on the end plate of fixed scroll, cover the check-valves activity space
The opening of side far from fixed scroll volume；And
Through the check-valves baffle passageway of the non-return valve guard, the check-valves baffle passageway, which has, leads to the injection canal
The first opening and the second opening opposite with first opening, and
The side towards the injection canal of the non-return valve guard is arranged in the check-valves, described for opening or closing
First opening of the check-valves baffle passageway of non-return valve guard；And
The first end of the injection-tube is connected to the second opening of the check-valves baffle passageway of the non-return valve guard, with logical
The second opening for crossing the check-valves and the injection canal connects.
6. screw compressor according to claim 5, it is characterised in that further include:
It is formed in the recess portion of the side of the separate fixed scroll volume of the end plate of fixed scroll, the check-valves and the non-return valve guard
One end of each of plate is arranged in the recess portion and is fixed on the end plate of fixed scroll.
7. screw compressor according to claim 5, it is characterised in that further include:
External feed stream pipeline；And
The connecting cavity for being formed in the fixed scroll and being connected with the external feed stream pipeline, the second end of the injection-tube
It is connected to the connecting cavity.
8. screw compressor according to claim 6, it is characterised in that:
The separate fixed scroll of the end plate on the surface and fixed scroll of the separate fixed scroll volume of the non-return valve guard is rolled up
Surface flush.
9. screw compressor according to claim 1, it is characterised in that:
The injection canal is one or more injection canals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898620.1U CN209083550U (en) | 2018-11-16 | 2018-11-16 | Screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898620.1U CN209083550U (en) | 2018-11-16 | 2018-11-16 | Screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083550U true CN209083550U (en) | 2019-07-09 |
Family
ID=67124446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821898620.1U Active CN209083550U (en) | 2018-11-16 | 2018-11-16 | Screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115151728A (en) * | 2020-03-10 | 2022-10-04 | 翰昂汽车零部件有限公司 | Double reed valve for steam injection |
-
2018
- 2018-11-16 CN CN201821898620.1U patent/CN209083550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115151728A (en) * | 2020-03-10 | 2022-10-04 | 翰昂汽车零部件有限公司 | Double reed valve for steam injection |
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