CN108035877A - A kind of helical-lobe compressor internal volume rate regulating mechanism - Google Patents
A kind of helical-lobe compressor internal volume rate regulating mechanism Download PDFInfo
- Publication number
- CN108035877A CN108035877A CN201810034064.1A CN201810034064A CN108035877A CN 108035877 A CN108035877 A CN 108035877A CN 201810034064 A CN201810034064 A CN 201810034064A CN 108035877 A CN108035877 A CN 108035877A
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- Prior art keywords
- helical
- threaded rods
- guiding valves
- lobe compressor
- guiding
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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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
Abstract
The present invention relates to a kind of helical-lobe compressor internal volume rate regulating mechanism, by setting and VI slide valve parallel VI threaded rods, VI guiding valves are vertically fixedly connected on by VI drive links one end, the other end is by being threaded engagement in VI threaded rods, by rotating VI threaded rods, the movement of VI guiding valves is driven, so as to change the stroke of discharge chamber capacity regulating guiding valve, and then the internal volume of discharge chamber is controlled, to reach the adjusting purpose of helical-lobe compressor interior volume specific ratio；In screw compression self-contained volume adjusting mechanism of the present invention, the displacement of VI guiding valves is controlled by the cooperation of VI threaded rods and VI drive links, compared to the position regulative mode for needing to carry out VI guiding valves in traditional helical-lobe compressor structure upwards in VI slide valve spindles, the adjusting of VI guiding valves in the present invention is more flexible, limited from the mechanism of helical-lobe compressor and space, make the adjusting of helical-lobe compressor interior volume specific ratio more convenient.
Description
Technical field
The present invention relates to refrigeration and machinery equipment field, more particularly to a kind of helical-lobe compressor internal volume rate regulating mechanism.
Background technology
Helical-lobe compressor because the characteristic and client's applying working condition of compressed media usually need compressor air-discharging cavity pressure and into
Air cavity pressure keeps different ratio (i.e. inner pressure ratio), to achieve the purpose that to save compressor power consumption.Because of the moon of helical-lobe compressor
Molded lines of rotor on male rotor is machined to type, unadjustable, and yin, yang rotor is formed with compressor housing and sealed, then pressure
The suction muffler volume of contracting machine and the ratio (interior volume specific ratio, abbreviation VI) of discharge chamber volume are fixed.It is so different to establish
Interior volume specific ratio, it is necessary to VI guiding valves and capacity slide valve are set to control effective active length of compressor drum, change exhaust
Chamber size, so that compressor inner pressure ratio is equal with client's applying working condition (outer pressure ratio).If the outer pressure ratio of helical-lobe compressor and internal pressure
Than unequal, it may appear that the phenomenon of overcompression and under-voltage contracting, both phenomenons can cause compressor power consumption waste and other
Some bad phenomenons, for example noise and vibrations increase.Some compressors, can not be in yin, yang rotor because of the limitation in structure and space
Underface set content product compares adjusting mechanism.
The content of the invention
The technical problems to be solved by the invention are：A kind of helical-lobe compressor internal volume rate regulating mechanism is provided, is solved existing
Have because the mechanism of helical-lobe compressor and space limit in technology, set content product can not compare adjusting mechanism immediately below negative and positive rotor
The problem of.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of helical-lobe compressor interior volume specific ratio tune
The interior volume specific ratio adjusting part set in section mechanism, including compression case body；
The interior volume specific ratio adjusting part includes discharge chamber capacity regulating guiding valve, VI guiding valves, VI drive links and VI threaded rods；
The VI threaded rods include thread segment and non-threaded section, and non-threaded section of the VI threaded rods is connected to by bearing
In compression case body；
The axial direction of the VI guiding valves is axially in parallel with VI threaded rods；The VI guiding valves vertical direction is fixedly connected with VI biographies
Lever, one end of the VI drive links are equipped with the screw thread being meshed with the thread segment of VI threaded rods；
The discharge chamber capacity regulating guiding valve is coaxially disposed with VI guiding valves.
The beneficial effects of the present invention are：In helical-lobe compressor internal volume rate regulating mechanism of the present invention, by setting
Put with VI slide valve parallel VI threaded rods, VI guiding valves are vertically fixedly connected on by VI drive links one end, the other end is nibbled by screw thread
Together in VI threaded rods, by rotating VI threaded rods, the movement of VI guiding valves is driven, so as to change the row of discharge chamber capacity regulating guiding valve
Journey, and then the internal volume of discharge chamber is controlled, to reach the adjusting purpose of helical-lobe compressor interior volume specific ratio；Screw rod of the present invention
Compress in self-contained volume adjusting mechanism, the displacement of VI guiding valves is controlled by the cooperation of VI threaded rods and VI drive links, compared to biography
Need to carry out the position regulative mode of VI guiding valves in the helical-lobe compressor structure of system upwards in VI slide valve spindles, the VI in the present invention is slided
The adjusting of valve is more flexible, is limited from the mechanism of helical-lobe compressor and space, makes the adjusting of helical-lobe compressor interior volume specific ratio more
It is convenient to add.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of helical-lobe compressor internal volume rate regulating mechanism of the specific embodiment of the invention；
Label declaration：
1st, compressor housing；11st, interior volume specific ratio adjusts accommodating chamber；2nd, discharge chamber capacity regulating guiding valve；
3rd, VI guiding valves；31st, spacing ring；4th, VI drive links；5th, VI threaded rods；6th, bearing；7th, turret head；8th, sealing ring；9、
Baffle ring；10th, gag lever post.
Embodiment
For the technology contents that the present invention will be described in detail, the objects and the effects, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：By setting and VI slide valve parallel VI threaded rods, pass through VI drive links one end
VI guiding valves vertically are fixedly connected on, the other end, by rotating VI threaded rods, drives VI guiding valves by being threaded engagement in VI threaded rods
It is mobile, so as to change the stroke of discharge chamber capacity regulating guiding valve, and then control the internal volume of discharge chamber.
Fig. 1 is refer to, the present invention relates to a kind of helical-lobe compressor internal volume rate regulating mechanism, including in compressor housing 1
The interior volume specific ratio adjusting part of setting；
The interior volume specific ratio adjusting part includes discharge chamber capacity regulating guiding valve 2, VI guiding valves 3, VI drive links 4 and VI screw threads
Bar 5；
The VI threaded rods 5 include thread segment and non-threaded section, and non-threaded section of the VI threaded rods 5 is connected by bearing 6
It is connected in compressor housing 1；
The axial direction of the VI guiding valves 3 is axially in parallel with VI threaded rods 5；3 vertical direction of VI guiding valves is fixedly connected with
VI drive links 4, one end of the VI drive links are equipped with the screw thread being meshed with the thread segment of VI threaded rods 5；
The discharge chamber capacity regulating guiding valve 2 is coaxially disposed with VI guiding valves 3.
The operation principle explanation of above-mentioned helical-lobe compressor internal volume rate regulating mechanism：Above-mentioned helical-lobe compressor interior volume specific ratio tune
Save in mechanism, inlet chamber, discharge chamber and interior volume specific ratio are provided with compressor housing 1 and adjusts accommodating chamber 11, above plot ratio
Adjust in accommodating chamber 11 and be equipped with interior volume specific ratio adjusting part, discharge chamber capacity regulating guiding valve 2 is located at discharge chamber and interior volume specific ratio tune
Between saving accommodating chamber 11, before compressor interior volume specific ratio is adjusted, discharge chamber capacity regulating guiding valve 2 is first controlled to exhaust cavity direction
Move to concede enough spaces to VI guiding valves 3；As one embodiment of the present invention, in the VI screw threads of compressor housing 1
5 axial location of bar is provided with through hole, and non-threaded section one end of the VI threaded rods 5 is provided with turret head 7, the VI threaded rods
Non-threaded section of 5 is arranged in through hole, and the turret head 7 is located at the outside of compressor housing 1, and staff passes through die nut control
5 rotation of VI threaded rods processed, drives the VI drive links 4 engaged with VI threaded rods 5 along 5 axial displacement of VI threaded rods, so as to drive VI
Guiding valve 3 is axially displaced；After VI guiding valves 3 adjust 11 direction displacement a distance of accommodating chamber to interior volume specific ratio, when compressor is transported
When enforcement discharge chamber capacity regulating guiding valve 2 abuts against VI guiding valves 3, the volume inside discharge chamber is increased, so as to reduce compression
Self-contained volume ratio；Similarly, after VI guiding valves 3 move a distance round about, discharge chamber internal volume reduces, so as to increase
Compressor interior volume specific ratio.
The beneficial effect of above-mentioned helical-lobe compressor internal volume rate regulating mechanism is：In helical-lobe compressor of the present invention
In volumetric ratio adjusting mechanism, by setting VI threaded rods 5 parallel with VI guiding valves 3, vertically it is fixedly connected by 4 one end of VI drive links
In VI guiding valves 3, the other end, by rotating VI threaded rods 5, drives VI guiding valves 3 to move by being threaded engagement in VI threaded rods 5, from
And change the stroke of discharge chamber capacity regulating guiding valve 2, and then the internal volume of discharge chamber is controlled, to reach screw compression self-contained volume
The adjusting purpose of ratio；In screw compression self-contained volume adjusting mechanism of the present invention, pass through VI threaded rods 5 and VI drive links 4
Cooperation control the displacements of VI guiding valves 3, compared to needing to carry out VI in 3 axial direction of VI guiding valves in traditional helical-lobe compressor structure
The position regulative mode of guiding valve 3, the present invention in VI guiding valves 3 adjusting it is more flexible, from the mechanism and sky of helical-lobe compressor
Between limit, make the adjusting of helical-lobe compressor interior volume specific ratio more convenient.
Further, in above-mentioned helical-lobe compressor internal volume rate regulating mechanism, the VI threaded rods 5 of the compressor housing 1
Axial location is provided with through hole, and non-threaded section one end of the VI threaded rods 5 is provided with turret head 7, the VI threaded rods 5
Non-threaded section is arranged in through hole, and the turret head 7 is located at the outside of compressor housing 1.
Further, in above-mentioned helical-lobe compressor internal volume rate regulating mechanism, the close of circular ring shape is provided with the through hole
Seal 8, the through hole are tightly connected by annular seal circle 8 and VI threaded rods 5.
Further, in above-mentioned helical-lobe compressor internal volume rate regulating mechanism, the one of non-threaded section of the VI threaded rods 5
End is provided with the baffle ring 9 of circular ring shape, and the baffle ring 9 fits in 1 outer wall of compressor housing.
By setting baffle ring 9, spacing effect is further functioned as VI threaded rods 5, makes VI threaded rods 5 will not in rotation
Shift.
Further, in above-mentioned helical-lobe compressor internal volume rate regulating mechanism, the interior volume specific ratio adjusting part further includes
Gag lever post 10 (does not indicate) in Fig. 1, and 3 axle portion of VI guiding valves is equipped with the inner cavity with 10 clearance fit of gag lever post, the gag lever post
10 one end are arranged in compressor housing 1, and the other end is arranged in the inner cavity of VI guiding valves 3, and the gag lever post 10 and VI guiding valves 3 are coaxially set
Put.
By setting gag lever post 10, moved axially with limiting VI guiding valves 3, avoid VI guiding valves 3 on the move shift and
Cause other failures such as gas leakage.
Further, in above-mentioned helical-lobe compressor internal volume rate regulating mechanism, the company of the VI drive links 4 and VI guiding valves 3
Connect end and be arranged in external member inner wall, the VI guiding valves 3 equipped with circular external member, the connecting pin of the VI guiding valves 3 and VI drive links 4
Restraining position ring block 31 is threadedly coupled with the connecting pin of VI drive links 4.
When mounted, the circular external member of drive link is first sheathed on VI guiding valves 3, then is locked by spacing ring 31, make VI
Drive link 4 is fixedly connected with VI guiding valves 3.
Embodiment 1
A kind of interior volume specific ratio adjusting group set in helical-lobe compressor internal volume rate regulating mechanism, including compressor housing 1
Part；The interior volume specific ratio adjusting part includes discharge chamber capacity regulating guiding valve 2, VI guiding valves 3, VI drive links 4 and VI threaded rods 5；
The VI threaded rods 5 include thread segment and non-threaded section, and non-threaded section of the VI threaded rods 5 is connected to compression by bearing 6
In casing body 1；The axial direction of the VI guiding valves 3 is axially in parallel with VI threaded rods 5；3 vertical direction of VI guiding valves is fixedly connected
There are VI drive links 4, one end of the VI drive links is equipped with the screw thread being meshed with the thread segment of VI threaded rods 5；The discharge chamber
Capacity regulating guiding valve 2 and VI guiding valves 3 are coaxially disposed；5 axial location of VI threaded rods of the compressor housing 1 is provided with through hole,
Non-threaded section one end of the VI threaded rods 5 is provided with turret head 7, and non-threaded section of the VI threaded rods 5 is arranged in through hole,
The turret head 7 is located at the outside of compressor housing 1；The sealing ring 8 of circular ring shape is provided with the through hole, the through hole passes through
Annular seal circle 8 and VI threaded rods 5 are tightly connected；Non-threaded section one end of the VI threaded rods 5 is provided with circular ring shape
Baffle ring 9, the baffle ring 9 fit in 1 outer wall of compressor housing；The interior volume specific ratio adjusting part further includes gag lever post 10, described
3 axle portion of VI guiding valves is equipped with the inner cavity with 10 clearance fit of gag lever post, and described 10 one end of gag lever post is arranged in compressor housing 1, separately
One end is arranged in the inner cavity of VI guiding valves 3, and the gag lever post 10 and VI guiding valves 3 are coaxially disposed；The VI drive links 4 and VI guiding valves 3
Connecting pin be equipped with circular external member, the connecting pin of the VI guiding valves 3 and VI drive links 4 is arranged in external member inner wall, the VI
Guiding valve 3 is threadedly coupled restraining position ring block 31 with the connecting pin of VI drive links 4.
In conclusion in helical-lobe compressor internal volume rate regulating mechanism of the present invention, put down by setting with VI guiding valves
Row VI threaded rods, VI guiding valves are vertically fixedly connected on by VI drive links one end, the other end by being threaded engagement in VI threaded rods,
By rotating VI threaded rods, the movement of VI guiding valves is driven, so as to change the stroke of discharge chamber capacity regulating guiding valve, and then controls exhaust
The internal volume of chamber, to reach the adjusting purpose of helical-lobe compressor interior volume specific ratio；Screw compression self-contained volume tune of the present invention
Save in mechanism, the displacement of VI guiding valves is controlled by the cooperation of VI threaded rods and VI drive links, compared to traditional helical-lobe compressor
Need to carry out the position regulative mode of VI guiding valves in structure upwards in VI slide valve spindles, the adjusting of the VI guiding valves in the present invention is cleverer
It is living, limited from the mechanism of helical-lobe compressor and space, make the adjusting of helical-lobe compressor interior volume specific ratio more convenient.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, are directly or indirectly used in relevant technical field, similarly include
In the scope of patent protection of the present invention.
Claims (6)
1. a kind of helical-lobe compressor internal volume rate regulating mechanism, it is characterised in that including the internal volume set in compression case body
Compare adjusting part；
The interior volume specific ratio adjusting part includes discharge chamber capacity regulating guiding valve, VI guiding valves, VI drive links and VI threaded rods；
The VI threaded rods include thread segment and non-threaded section, and non-threaded section of the VI threaded rods is connected to compression by bearing
In casing body；
The axial direction of the VI guiding valves is axially in parallel with VI threaded rods；The VI guiding valves vertical direction is fixedly connected with VI transmissions
Bar, one end of the VI drive links are equipped with the screw thread being meshed with the thread segment of VI threaded rods；
The discharge chamber capacity regulating guiding valve is coaxially disposed with VI guiding valves.
2. helical-lobe compressor internal volume rate regulating mechanism according to claim 1, it is characterised in that the compressor housing
VI threaded rod axial locations be provided with through hole, non-threaded section one end of the VI threaded rods is provided with turret head, the VI
Non-threaded section of threaded rod is arranged in through hole, and the turret head is located at the outside of compressor housing.
3. helical-lobe compressor internal volume rate regulating mechanism according to claim 2, it is characterised in that set in the through hole
There is the sealing ring of circular ring shape, the through hole is tightly connected by annular seal circle and VI threaded rods.
4. helical-lobe compressor internal volume rate regulating mechanism according to claim 2, it is characterised in that the VI threaded rods
Non-threaded section one end is provided with the baffle ring of circular ring shape, and the baffle ring fits in compressor housing outer wall.
5. helical-lobe compressor internal volume rate regulating mechanism according to claim 1, it is characterised in that the interior volume specific ratio tune
Section component further includes gag lever post, and the VI guiding valves axle portion is equipped with the inner cavity with gag lever post clearance fit, and described gag lever post one end is worn
Arranged on compressor housing, the other end is arranged in the inner cavity of VI guiding valves, and the gag lever post is coaxially disposed with VI guiding valves.
6. helical-lobe compressor internal volume rate regulating mechanism according to claim 1, it is characterised in that the VI drive links with
The connecting pin of VI guiding valves is equipped with circular external member, and the connecting pin of the VI guiding valves and VI drive links is arranged in external member inner wall, institute
The connecting pin that VI guiding valves are stated with VI drive links is threadedly coupled restraining position ring block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034064.1A CN108035877A (en) | 2018-01-15 | 2018-01-15 | A kind of helical-lobe compressor internal volume rate regulating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034064.1A CN108035877A (en) | 2018-01-15 | 2018-01-15 | A kind of helical-lobe compressor internal volume rate regulating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108035877A true CN108035877A (en) | 2018-05-15 |
Family
ID=62096612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810034064.1A Pending CN108035877A (en) | 2018-01-15 | 2018-01-15 | A kind of helical-lobe compressor internal volume rate regulating mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN108035877A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020143229A1 (en) * | 2019-01-09 | 2020-07-16 | 约克（无锡）空调冷冻设备有限公司 | Screw compressor and control method therefor |
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|---|---|---|---|---|
| US5183395A (en) * | 1992-03-13 | 1993-02-02 | Vilter Manufacturing Corporation | Compressor slide valve control |
| US20040234381A1 (en) * | 2001-02-15 | 2004-11-25 | Mayekawa Mfg. Co., Ltd. | Screw compressor capable of manually adjusting both internal volume ratio and capacity and combined screw compressor unit accommodating variation in suction or discharge pressure |
| CN101713410A (en) * | 2009-11-18 | 2010-05-26 | 西安交通大学 | Combined type energy regulating mechanism for screw compressor |
| CN206419206U (en) * | 2017-01-10 | 2017-08-18 | 麦克维尔空调制冷(苏州)有限公司 | Asymmetric side valve type single screw rod refrigeration compressor |
| CN107476980A (en) * | 2017-09-13 | 2017-12-15 | 中投亿星新能源投资有限公司 | A kind of guiding valve governor motion of single screw compressor |
| CN207795563U (en) * | 2018-01-15 | 2018-08-31 | 福建雪人股份有限公司 | A kind of helical-lobe compressor internal volume rate regulating mechanism |
-
2018
- 2018-01-15 CN CN201810034064.1A patent/CN108035877A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183395A (en) * | 1992-03-13 | 1993-02-02 | Vilter Manufacturing Corporation | Compressor slide valve control |
| US20040234381A1 (en) * | 2001-02-15 | 2004-11-25 | Mayekawa Mfg. Co., Ltd. | Screw compressor capable of manually adjusting both internal volume ratio and capacity and combined screw compressor unit accommodating variation in suction or discharge pressure |
| CN101713410A (en) * | 2009-11-18 | 2010-05-26 | 西安交通大学 | Combined type energy regulating mechanism for screw compressor |
| CN206419206U (en) * | 2017-01-10 | 2017-08-18 | 麦克维尔空调制冷(苏州)有限公司 | Asymmetric side valve type single screw rod refrigeration compressor |
| CN107476980A (en) * | 2017-09-13 | 2017-12-15 | 中投亿星新能源投资有限公司 | A kind of guiding valve governor motion of single screw compressor |
| CN207795563U (en) * | 2018-01-15 | 2018-08-31 | 福建雪人股份有限公司 | A kind of helical-lobe compressor internal volume rate regulating mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020143229A1 (en) * | 2019-01-09 | 2020-07-16 | 约克（无锡）空调冷冻设备有限公司 | Screw compressor and control method therefor |
| US11953006B2 (en) | 2019-01-09 | 2024-04-09 | Tyco Fire & Security Gmbh | Screw compressor and control method therefor |
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