CN205689427U - Screw compressor - Google Patents
Screw compressor Download PDFInfo
- Publication number
- CN205689427U CN205689427U CN201620548956.XU CN201620548956U CN205689427U CN 205689427 U CN205689427 U CN 205689427U CN 201620548956 U CN201620548956 U CN 201620548956U CN 205689427 U CN205689427 U CN 205689427U
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- China
- Prior art keywords
- ring
- support
- orbiter
- pressure
- cross slip
- Prior art date
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Abstract
This utility model provides a kind of screw compressor, including housing, seal the lid being located at shell one end opening part and the compression mechanism being arranged in housing, supporting mechanism and drive mechanism, orbiter is driven to make Plane Rotation in fixed scroll by drive mechanism, thus drive cross slip-ring reciprocating on support, gas port is offered along this reciprocating movement locus on support, in each cycle that cross slip-ring is reciprocating on support, gas port partly or entirely exposes to cross slip-ring, middle pressure back pressure cavity is made to connect with low pressure chamber, with the gas that pressure Pressure in Back-pressure Cavity in discharging is too high, in realization, pressure stablizes, thus reach to balance pressure, avoid between orbiter and support, producing the biggest frictional force, it is thus possible to ensure serviceability and the service life of screw compressor.
Description
Technical field
This utility model relates to compressor, particularly relates to screw compressor.
Background technology
Scroll compressor is to be mutually twisted by the dynamic and static scroll plate of two digamma function equation lines to form.In air-breathing, pressure
Contracting, aerofluxus work process in, fixed scroll is fixed in frame, and orbiter is driven by eccentric shaft and by anti-autobiography mechanism system
About, around fixed scroll basic circle center, the Plane Rotation of very minor radius is made.Gas is sucked outside fixed scroll by air filtering core
Enclosing, along with the rotation of eccentric shaft, gas is progressively compressed in orbiter bites several crescent compression chambers that conjunction is formed,
Then discharged continuously by the axial hole of fixed scroll central module.
The above-mentioned unique design of screw compressor so that it is be widely used in industry, agricultural, traffic fortune suitable, medical apparatus and instruments, food
Industry and other compressed-air actuated occasions of needs such as product decoration and weaving.
But traditional screw compressor, orbiter and fixed scroll are when compressed gas, easily produce and be allowed to separate
Axial force, make between orbiter and supporting member, to produce the biggest frictional force, have a strong impact on the serviceability of screw compressor
And service life.
Utility model content
Based on this, it is necessary to produce the biggest friction between traditional screw compressor orbiter and supporting member
Power, has a strong impact on serviceability and problem in service life, it is provided that a kind of screw compressor, by arranging pore on support, with
Discharge is pressed the gas that Pressure in Back-pressure Cavity is too high, it is achieved stablizing of middle pressure, thus reach to balance pressure, it is to avoid orbiter and machine
The biggest frictional force is produced such that it is able to ensure serviceability and the service life of screw compressor between Zuo.
A kind of screw compressor, is located at the lid of shell one end opening part including housing, envelope and is arranged in housing
Compression mechanism, supporting mechanism and driving structure, described housing is provided with air inlet, and described lid is provided with air vent, described pressure
Contracting mechanism include by described lid be fixed in described housing near opening part fixed scroll and with described fixed scroll phase
Biting mutually and close the orbiter forming compression chamber, described fixed scroll and described lid enclose formation high pressure chest, described air vent with
Described high pressure chest connects, and described fixed scroll is provided with pore, and described compression chamber is connected with described high pressure chest by described pore；
Described supporting construction includes that wear-resistant pad, cross slip-ring and support, described orbiter are seated in described cross slip-ring
On, described cross slip-ring is arranged on described support, and described wear-resistant pad is arranged on contacting of described orbiter and described support
On face, described orbiter, wear-resistant pad and support enclose pressure back pressure cavity in formation, and described fixed scroll is provided with back pressure air inlet and leads to
Road, described wear-resistant pad is provided with air slot, and described support is provided with air channel, and described high pressure chest passes sequentially through described back pressure air inlet
Passage, air slot connect with medium pressure back pressure cavity with air channel, and described support and housing enclose formation low pressure chamber；
Described drive mechanism is used for driving orbiter to make plane eccentric rotary in fixed scroll, thus drives cross sliding
Ring is reciprocating on support, and described support offers gas port, described cross along described reciprocating movement locus
In each cycle that slip ring is reciprocating on support, described gas port partly or entirely exposes to described cross slip-ring,
Medium pressure back pressure cavity is made to connect with described low pressure chamber.
Wherein in an embodiment, described cross slip-ring includes ring and two ends being symmetricly set on ring, described
Being arranged with two grooves on support, two ends of described cross slip-ring are respectively erected in two grooves of described support,
Described gas port is arranged at least one groove in said two groove, described cross slip-ring on described support along two
The connecting line of groove is reciprocating.
Wherein in an embodiment, described drive mechanism includes motor and rotating shaft, one end of described rotating shaft and described shell
Body is connected away from one end of opening part, and the other end is connected with described orbiter by eccentric shaft, and described motor ring is located at described
Rotating shaft is away from one end of orbiter.
Wherein in an embodiment, described gas port be provided with one, two or more.
Wherein in an embodiment, described gas port is circular hole, square hole, bar hole or funnel-shaped hole.
Above-mentioned screw compressor, by arranging pore on support, with the gas that pressure Pressure in Back-pressure Cavity in discharging is too high, real
That presses in existing stablizes, thus reaches to balance pressure, it is to avoid produce the biggest frictional force between orbiter and support such that it is able to
Ensure serviceability and the service life of screw compressor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the screw compressor of an embodiment；
Fig. 2 is the detonation configuration schematic diagram of orbiter, wear-resistant pad, cross slip-ring and support in Fig. 1.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is more fully retouched
State.Accompanying drawing gives first-selected embodiment of the present utility model.But, this utility model can come real in many different forms
Existing, however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is to make public affairs of the present utility model
Open content more thorough comprehensively.
It should be noted that when element be referred to as " setting " at another element, it can be direct at another element
Go up or element placed in the middle can also be there is.When an element is considered as " to be connected " with another element, and it can be direct
It is connected to another element, or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in territory is generally understood that is identical.At term used in the description of the present utility model it is simply herein
The purpose of specific embodiment is described, it is not intended that in limiting this utility model.
Refer to Fig. 1 ~ 2, be the screw compressor of an embodiment, be located at housing 10 one end open including housing 10, envelope
The lid 20 located and the compression mechanism, supporting mechanism and the drive mechanism that are arranged in housing 10.Wherein, housing 10 be provided with into
QI KOU 12.Lid 20 is provided with air vent 22.
Compression mechanism includes fixed scroll 30 and orbiter 40.
Wherein, fixed scroll 30 passes through one end of close opening part in lid 20 is fixed on housing 10.Fixed scroll 30 with
Lid 20 encloses formation high pressure chest 320.Air vent 22 connects with high pressure chest 320.
Orbiter 40 is mutually bitten conjunction and is formed compression chamber 430 with fixed scroll 30.Fixed scroll 30 is provided with pore 32.Pressure
Contracting chamber 430 is connected with high pressure chest 320 by pore 32.
Supporting mechanism includes wear-resistant pad 50, cross slip-ring 60 and support 70.
Wherein, orbiter 40 is seated on cross slip-ring 60, and cross slip-ring 60 is arranged on support 70, and wear-resistant pad 50 sets
Put on the contact surface of orbiter 40 and support 70.
Orbiter 40, wear-resistant pad 50 and support 70 enclose pressure back pressure cavity 740 in formation.Fixed scroll 30 is provided with back pressure
Inlet channel 34.Wear-resistant pad 50 is provided with air slot 52.Support 70 is provided with air channel (not shown).
High pressure chest 320 passes sequentially through back pressure inlet channel 34, air slot 52 and air channel and connects with middle pressure back pressure cavity 740.
Support 70 and housing 10 enclose formation low pressure chamber 710.Air inlet 12 connects with low pressure chamber 710.
Drive mechanism is used for driving orbiter 40 to make plane eccentric rotary in fixed scroll 30, thus drives cross sliding
Ring 60 is reciprocating on support 70.Gas port 72 is offered along this reciprocating movement locus on support 70.Cross is sliding
In each cycle that ring 60 is reciprocating on support 70, gas port 72 partly or entirely exposes to cross slip-ring 60, makes
Middle pressure back pressure cavity 740 connects with low pressure chamber 710.
Concrete, in the present embodiment, cross slip-ring 60 includes ring 62 and two ends being symmetricly set on ring 62
64.Two grooves 74 it are arranged with on support 70.Two ends 64 of cross slip-ring 60 be respectively erected in support 70 two are recessed
In groove 74.
Gas port 72 is arranged at least one groove in two grooves 74 Nei that (i.e. gas port 72 can be positioned only at two
In one of them groove in groove 74, or it is designed with gas port 72 in two grooves 74).Cross slip-ring 60 is on support 70
Reciprocating along the connecting line of two grooves 74.
It is appreciated that above-mentioned two groove 74, when one of them groove 74 is provided with gas port 72, another groove 74
Can serve as air channel.Certainly, air channel can also be arranged on support 70 elsewhere, as long as can be depended on by high pressure chest 320
Secondary connected with middle pressure back pressure cavity 740 by back pressure inlet channel 34, air slot 52 and air channel.
Concrete, in the present embodiment, drive mechanism includes motor 80 and rotating shaft 90.
Wherein, one end of rotating shaft 90 is connected away from one end of opening part with housing 10, and the other end is by eccentric shaft and dynamic whirlpool
Capstan 40 is connected.Motor 80 ring is located at this rotating shaft 90 one end away from orbiter 40.
Be appreciated that gas port 72 can be provided with one, two or more, exist as long as being capable of cross slip-ring 60
In each cycle that support 70 is reciprocating, gas port 72 partly or entirely exposes to cross slip-ring 60.
Concrete, gas port 72 can be circular hole, square hole, bar hole or funnel-shaped hole.
Above-mentioned screw compressor, gas enters low pressure chamber 710 from air inlet 12, after entering back into compression chamber 430 compression, passes through
Pore 32 enters high pressure chest 320.Portion gas in high pressure chest 320 passes sequentially through back pressure inlet channel 34 and air slot 52 enters
Middle pressure back pressure cavity 740, by the cross slip-ring 60 reciprocating motion on support 70, make gas port 72 reciprocating each
Have in cycle and partly or entirely expose to cross slip-ring 60, thus press in realizing between back pressure cavity 740 and low pressure chamber 710 and have rule
The break-make of rule so that the pressure remained steady in middle pressure back pressure cavity 740, floats at quiet vortex so that orbiter 40 is stable
Between dish 30 and support 70, reduce the friction between orbiter 40 and support 70, it is ensured that the usability of whole screw compressor
Energy and service life.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, common for this area
For technical staff, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (5)
1. a screw compressor, including housing, seals the lid being located at shell one end opening part and the pressure being arranged in housing
Contracting mechanism, supporting mechanism and drive mechanism, described housing is provided with air inlet, and described lid is provided with air vent, and its feature exists
Include being fixed in described housing near the fixed scroll of opening part and quiet with described by described lid in, described compression mechanism
Scroll plate is mutually bitten and is closed the orbiter forming compression chamber, and described fixed scroll and described lid enclose formation high pressure chest, described
Air vent connects with described high pressure chest, and described fixed scroll is provided with pore, and described compression chamber is by described pore and described height
The connection of pressure chamber；
Described supporting mechanism includes that wear-resistant pad, cross slip-ring and support, described orbiter are seated on described cross slip-ring, institute
Stating cross slip-ring to be arranged on described support, described wear-resistant pad is arranged on the contact surface of described orbiter and described support,
Described orbiter, wear-resistant pad and support enclose pressure back pressure cavity in formation, and described fixed scroll is provided with back pressure inlet channel, institute
Stating wear-resistant pad and be provided with air slot, described support is provided with air channel, described high pressure chest pass sequentially through described back pressure inlet channel,
Air slot connects with medium pressure back pressure cavity with air channel, and described support and housing enclose formation low pressure chamber, described air inlet with
Described low pressure chamber connects；
Described drive mechanism is used for driving orbiter to make plane eccentric rotary in fixed scroll, thus drives cross slip-ring to exist
On support reciprocating, described support offers gas port, described cross slip-ring along described reciprocating movement locus
In each cycle reciprocating on support, described gas port partly or entirely exposes to described cross slip-ring, makes institute
State middle pressure back pressure cavity to connect with described low pressure chamber.
Screw compressor the most according to claim 1, it is characterised in that described cross slip-ring includes ring and is symmetricly set on
Two ends on ring, described support is arranged with two grooves, and two ends of described cross slip-ring are respectively erected in institute
Stating in two grooves of support, described gas port is arranged at least one groove in said two groove, and described cross is sliding
Ring is reciprocating along the connecting line of two grooves on described support.
Screw compressor the most according to claim 1, it is characterised in that described drive mechanism includes motor and rotating shaft, institute
The one end stating rotating shaft is connected away from one end of opening part with described housing, and the other end passes through eccentric shaft and described orbiter phase
Even, described motor ring is located at described rotating shaft one end away from orbiter.
Screw compressor the most according to claim 1 and 2, it is characterised in that described gas port be provided with one, two or
Person is multiple.
Screw compressor the most according to claim 1 and 2, it is characterised in that described gas port is circular hole, square hole, bar shaped
Hole or funnel-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620548956.XU CN205689427U (en) | 2016-06-08 | 2016-06-08 | Screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620548956.XU CN205689427U (en) | 2016-06-08 | 2016-06-08 | Screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689427U true CN205689427U (en) | 2016-11-16 |
Family
ID=57260952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620548956.XU Expired - Fee Related CN205689427U (en) | 2016-06-08 | 2016-06-08 | Screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205689427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014977A (en) * | 2016-06-08 | 2016-10-12 | 湖南贝特新能源科技有限公司 | Scroll compressor |
| CN107246389A (en) * | 2017-08-14 | 2017-10-13 | 湖南贝特新能源科技有限公司 | Screw compressor |
-
2016
- 2016-06-08 CN CN201620548956.XU patent/CN205689427U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014977A (en) * | 2016-06-08 | 2016-10-12 | 湖南贝特新能源科技有限公司 | Scroll compressor |
| CN107246389A (en) * | 2017-08-14 | 2017-10-13 | 湖南贝特新能源科技有限公司 | Screw compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |