CN207795563U - 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
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- CN207795563U CN207795563U CN201820060127.6U CN201820060127U CN207795563U CN 207795563 U CN207795563 U CN 207795563U CN 201820060127 U CN201820060127 U CN 201820060127U CN 207795563 U CN207795563 U CN 207795563U
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Abstract
The utility model is related to a kind of helical-lobe compressor internal volume rate regulating mechanisms, pass through setting and VI slide valve parallel VI threaded rods, it is vertically fixedly connected on VI guiding valves 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, 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；The utility model is related to screw compression self-contained volume regulating mechanism in, 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 utility model is more flexible, it is not limited by the mechanism of helical-lobe compressor and space, keeps the adjusting of helical-lobe compressor interior volume specific ratio more convenient.
Description
Technical field
The utility model is related to freeze and machinery equipment field more particularly to a kind of helical-lobe compressor interior volume specific ratio adjust machine
Structure.
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 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 pressing
The suction muffler volume of contracting machine and the ratio (interior volume specific ratio, abbreviation VI) of discharge chamber volume are fixed.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, to keep compressor inner pressure ratio 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 that 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 of structure and space
Underface set content product compares regulating mechanism.
Utility model content
Technical problem to be solved in the utility model is：A kind of helical-lobe compressor internal volume rate regulating mechanism is provided, is solved
Certainly in the prior art because the mechanism of helical-lobe compressor and space limit, set content product ratio can not be adjusted immediately below yin-yang rotor
The problem of mechanism.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of screw compression self-contained volume
Than the interior volume specific ratio adjusting part being arranged in regulating 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 parallel with the axial direction of 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 utility model are：The utility model is related to helical-lobe compressor internal volume rate regulating mechanism
In, 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 logical
It crosses and is threaded engagement in VI threaded rods, by rotating VI threaded rods, drive the movement of VI guiding valves, slided to change discharge chamber capacity regulating
The stroke of valve, and then the internal volume of discharge chamber is controlled, to reach the adjusting purpose of helical-lobe compressor interior volume specific ratio；The utility model
In the screw compression self-contained volume regulating mechanism being related to, the position of VI guiding valves is controlled by the cooperation of VI threaded rods and VI drive links
It moves, 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, this reality
Adjusting with the VI guiding valves in novel is more flexible, is not limited, is made in helical-lobe compressor by the mechanism of helical-lobe compressor and space
The adjusting of volumetric ratio is more convenient.
Description of the drawings
Fig. 1 is a kind of structural representation of helical-lobe compressor internal volume rate regulating mechanism of specific embodiment of the present invention
Figure；
Label declaration：
1, compressor housing；11, interior volume specific ratio adjusts accommodating chamber；2, discharge chamber capacity regulating guiding valve；
3, VI guiding valves；31, spacing ring；4, VI drive links；5, VI threaded rods；6, bearing；7, turret head；8, sealing ring；9、
Baffle ring；10, gag lever post.
Specific implementation mode
For technology contents, the objects and the effects of the utility model are described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is：By setting and VI slide valve parallel VI threaded rods, pass through VI drive links
One end is vertically fixedly connected on VI guiding valves, and the other end, by rotating VI threaded rods, drives VI by being threaded engagement in VI threaded rods
Guiding valve moves, and to change the stroke of discharge chamber capacity regulating guiding valve, and then controls the internal volume of discharge chamber.
Fig. 1 is please referred to, the utility model is related to a kind of helical-lobe compressor internal volume rate regulating mechanisms, including compressor housing
The interior volume specific ratio adjusting part being arranged in 1；
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 parallel with the axial direction of 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
It saves in mechanism, inlet chamber, discharge chamber and interior volume specific ratio is provided in compressor housing 1 and adjusts accommodating chamber 11, above plot ratio
It adjusts and is equipped with interior volume specific ratio adjusting part in accommodating chamber 11, discharge chamber capacity regulating guiding valve 2 is located at discharge chamber and interior volume specific ratio tune
Between saving accommodating chamber 11, before adjusting compressor interior volume specific ratio, discharge chamber capacity regulating guiding valve 2 is first controlled to exhaust cavity direction
Movement is to concede enough spaces to VI guiding valves 3；As a kind of embodiment of the utility model, in the VI of compressor housing 1
5 axial position of threaded rod 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 spiral shells
Non-threaded section of rasp bar 5 is arranged in through-hole, and the turret head 7 is located at the outside of compressor housing 1, and staff is pulled by hexagonal
Hand controls 5 rotation of VI threaded rods, drives the VI drive links 4 engaged with VI threaded rods 5 along 5 axial displacement of VI threaded rods, to band
Dynamic VI guiding valves 3 are axially displaced；After VI guiding valves 3 adjust 11 direction displacement a distance of accommodating chamber to interior volume specific ratio, work as compression
When machine operation makes discharge chamber capacity regulating guiding valve 2 abut against VI guiding valves 3, the volume inside discharge chamber is increased, to reduce
Compressor interior volume specific ratio；Similarly, after VI guiding valves 3 move a distance round about, discharge chamber internal volume reduces, to increase
Big compressor interior volume specific ratio.
The advantageous effect of above-mentioned helical-lobe compressor internal volume rate regulating mechanism is：The utility model is related to screw compression
Self-contained volume by 4 one end of VI drive links than in regulating mechanism, by the way that VI threaded rods 5 parallel with VI guiding valves 3 are arranged, vertically being fixed
VI guiding valves 3 are connected to, 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
It is dynamic, to change the stroke of discharge chamber capacity regulating guiding valve 2, and then the internal volume of discharge chamber is controlled, to reach helical-lobe compressor
The adjusting purpose of interior volume specific ratio；The utility model is related to screw compression self-contained volume regulating mechanism in, pass through 5 He of VI threaded rods
The cooperation of VI drive links 4 controls the displacement of VI guiding valves 3, compared to needing in 3 axis of VI guiding valves in traditional helical-lobe compressor structure
The position regulative mode of VI guiding valves 3 is carried out upwards, and the adjusting of the VI guiding valves 3 in the utility model is more flexible, not by screw rod pressure
The mechanism of contracting machine and space limitation, keep 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 position 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 in 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 the way that baffle ring 9 is arranged, the effect of limit is further functioned as VI threaded rods 5, makes VI threaded rods 5 will not in rotation
It shifts.
Further, in above-mentioned helical-lobe compressor internal volume rate regulating mechanism, the interior volume specific ratio adjusting part further includes
Gag lever post 10,3 axle portion of VI guiding valves are equipped with the inner cavity with 10 clearance fit of gag lever post, and 10 one end of the gag lever post is arranged in pressure
Contracting casing body 1, the other end are arranged in the inner cavity of VI guiding valves 3, and the gag lever post 10 is coaxially disposed with VI guiding valves 3.
By be arranged gag lever post 10, with limit VI guiding valves 3 axial movement, avoid VI guiding valves 3 on the move shift and
Lead to 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
It connects end and is arranged in external member inner wall, the VI guiding valves 3 equipped with circular external member, the VI guiding valves 3 and the connecting pin of VI drive links 4
It is threadedly coupled restraining position ring block 31 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 being arranged 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 parallel with the axial direction of 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 to be 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；5 axial position 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 in the through-hole, the through-hole passes through
Annular seal circle 8 is tightly connected with VI threaded rods 5；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 10 one end of the 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 is coaxially disposed with VI guiding valves 3；The VI drive links 4 and VI guiding valves 3
Connecting pin be equipped with circular external member, the VI guiding valves 3 and the connecting pin of VI drive links 4 are 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 the utility model is related to helical-lobe compressor internal volume rate regulating mechanism in, pass through setting with VI slide
The parallel VI threaded rods of valve are vertically fixedly connected on VI guiding valves by VI drive links one end, and the other end is by being threaded engagement in VI spiral shells
Rasp bar drives the movement of VI guiding valves, to change the stroke of discharge chamber capacity regulating guiding valve, and then controls by rotating VI threaded rods
The internal volume of discharge chamber processed, to reach the adjusting purpose of helical-lobe compressor interior volume specific ratio；The utility model is related to screw compression
In self-contained volume regulating mechanism, the displacement of VI guiding valves is controlled by the cooperation of VI threaded rods and VI drive links, compared to traditional
Need to carry out the position regulative mode of VI guiding valves in helical-lobe compressor structure upwards in VI slide valve spindles, the VI in the utility model is slided
The adjusting of valve is more flexible, is not limited by 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.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of helical-lobe compressor internal volume rate regulating mechanism, which is characterized in that including the internal volume being arranged 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 parallel with the axial direction of 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, which is characterized in that the compressor housing
VI threaded rod axial positions 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, which is characterized in that setting in the through-hole
There are the sealing ring of circular ring shape, the through-hole to be tightly connected by annular seal circle and VI threaded rods.
4. helical-lobe compressor internal volume rate regulating mechanism according to claim 2, which is characterized 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, which is characterized in that the interior volume specific ratio tune
It further includes gag lever post to save component, 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
Set 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, which is characterized 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
It states VI guiding valves and is threadedly coupled restraining position ring block with the connecting pin of VI drive links.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820060127.6U CN207795563U (en) | 2018-01-15 | 2018-01-15 | A kind of helical-lobe compressor internal volume rate regulating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820060127.6U CN207795563U (en) | 2018-01-15 | 2018-01-15 | A kind of helical-lobe compressor internal volume rate regulating mechanism |
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| CN207795563U true CN207795563U (en) | 2018-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035877A (en) * | 2018-01-15 | 2018-05-15 | 福建雪人股份有限公司 | A kind of helical-lobe compressor internal volume rate regulating mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035877A (en) * | 2018-01-15 | 2018-05-15 | 福建雪人股份有限公司 | A kind of helical-lobe compressor internal volume rate regulating mechanism |
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