CN209469580U - The screw compressor and air-conditioning of vibration and noise are reduced using guide ring structure - Google Patents
The screw compressor and air-conditioning of vibration and noise are reduced using guide ring structure Download PDFInfo
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- CN209469580U CN209469580U CN201920146779.6U CN201920146779U CN209469580U CN 209469580 U CN209469580 U CN 209469580U CN 201920146779 U CN201920146779 U CN 201920146779U CN 209469580 U CN209469580 U CN 209469580U
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- guide ring
- screw compressor
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- bracket
- fixed scroll
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Abstract
This application provides a kind of screw compressors and air-conditioning that vibration and noise are reduced using guide ring structure.The screw compressor includes bracket, slip ring, orbiter and fixed scroll, and slip ring is fixed on bracket, and orbiter is slidably disposed on slip ring, and fixed scroll and orbiter are cooperatively fixed on bracket.Screw compressor further includes lower guide ring and upper guide ring, and lower guide ring is fixed on bracket, and lower guide ring is used to be fixed on the sagittal plane of the first height of fixed scroll.Upper guide ring is fixed on lower guide ring, and upper guide ring is used to be fixed on the sagittal plane of the second height of fixed scroll.Using the technical solution of the utility model, the vibration for perhaps reducing fixed scroll relative to the movement of upper guide ring and lower guide ring and then preventing or reduce fixed scroll can be interfered, to significantly reduce the noise generated during compressor operation.
Description
Technical field
The utility model relates to Compressor Technology fields, reduce vibration using guide ring structure in particular to a kind of
And the screw compressor and air-conditioning of noise.
Background technique
Screw compressor is mainly by shell, compression mechanism, supporting mechanism, driving mechanism, working fluid suction line and work
The components such as fluid discharge pipe composition.Compression mechanism is made of dynamic vortex component and determine vortex component.Driving mechanism includes stator
Component and crankshaft rotor component, crankshaft drives dynamic vortex component, due to being provided with anti-rotation mechanism on dynamic vortex component, so that dynamic
Scroll element does translation rotation relative to determine vortex component.By the spiral wraps of determine vortex component and the spiral vortex of dynamic vortex component
It rolls up the compression chamber's volume being defined as to gradually become smaller, the refrigerant pressure in chamber constantly increases, to inhale via working fluid
Enter the pipe sucking indoor refrigerant of compression chamber by compression and the finally exhaust outlet discharge from scroll element center, and from workflow
Compressor is discharged to external refrigeration cycle circuit in body discharge pipe.It is achieved in the working cycles mistake of refrigerant sucking, compression, discharge
Journey.
In the screw compressor of some types, including screw fastener, guide ring guiding piece and upper bracket, determine vortex disk
It is installed on bracket by screw fastener and guide ring guiding piece.The problem of due to the accuracy of manufacture, guide ring guiding piece and fixed
There can be gap between scroll plate.During the operation of compressor, determine vortex disk will be oppositely oriented ring in above-mentioned gap and draw
Guiding element vibration, this vibration can generate noise, influence user's use.
Utility model content
The utility model embodiment provides a kind of screw compressor and air-conditioning, to solve screw compressor in the prior art
Existing determine vortex disk vibrates the technical issues of generating noise relative to guide ring guiding piece.
The application embodiment provides a kind of screw compressor, including bracket, slip ring, orbiter and fixed scroll,
Slip ring is fixed on bracket, and orbiter is slidably disposed on slip ring, and fixed scroll and orbiter are cooperatively
It is fixed on bracket, screw compressor further include: lower guide ring is fixed on bracket, and lower guide ring is for fixing
On the sagittal plane of the first height of fixed scroll；Upper guide ring is fixed on lower guide ring, and upper guide ring is for fixing
On the sagittal plane of the second height of fixed scroll.
In one embodiment, it is provided with the first limiting section on fixed scroll, is provided with the second limit on lower guide ring
Portion, the second limiting section are matched with the first limiting section to limit fixed scroll rotation.
In one embodiment, the first limiting section is the protrusion being arranged on the sagittal plane of fixed scroll, the second limit
Position portion is the concave part being provided on lower guide ring.
In one embodiment, protrusion is multiple, and multiple protrusions are spaced setting on the sagittal plane of fixed scroll,
Correspondingly, concave part is also multiple.
In one embodiment, upper guide ring, lower guide ring and bracket are sequentially connected by bolt part.
In one embodiment, erecting bed is formed on bracket, lower guide ring is arranged on erecting bed.
In one embodiment, screw compressor further includes support plate, and support plate is arranged on bracket, and slip ring setting exists
On bracket.
In one embodiment, screw compressor further includes floating seal lid, and floating seal lid is arranged in fixed scroll
Exhaust outlet on.
In one embodiment, screw compressor further includes shell, and bracket, slip ring, orbiter and fixed scroll are set
It sets in shell, is provided with high-low pressure demarcation plate on face corresponding with floating seal lid on shell.
In one embodiment, it is provided on high-low pressure demarcation plate and floating seal lid correspondingly non-return valve seat and valve
Piece.
Present invention also provides a kind of air-conditioning, including screw compressor, screw compressor is above-mentioned screw compressor.
In the above-described embodiments, lower guide ring is fixed at the radial direction that the first height of fixed scroll is fixed on bracket
On face, upper guide ring is fixed on the sagittal plane for the second height for being fixed on fixed scroll on lower guide ring.So,
Even if upper guide ring and lower guide ring all have the error in the accuracy of manufacture, cause guide ring and lower guide ring and fixed scroll
Sagittal plane between there are gaps, it is two different high but since upper guide ring and lower guide ring are located in different height
The gap of degree is maximum probability is different there are position and in shape, then the gap of two different heights is permitted quiet
Scroll plate relative to the radial motion direction of upper guide ring or lower guide ring be also it is different, would interfere with or reduce quiet whirlpool
Movement of the capstan relative to upper guide ring and lower guide ring, and then the vibration of fixed scroll is prevented or reduces, thus significantly
Reduce the noise generated during compressor operation.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the first cross section structure schematic diagram of the embodiment of screw compressor according to the present utility model；
Fig. 2 is the second cross section structure schematic diagram of the embodiment of screw compressor according to the present utility model；
Fig. 3 is the inside schematic perspective view of the embodiment of screw compressor according to the present utility model；
Fig. 4 is the fixed structure decomposition diagram of the fixed scroll of the embodiment of the screw compressor of Fig. 3；
Fig. 5 is the structural schematic diagram of another angle of the fixed scroll of Fig. 4；
Fig. 6 is the structural schematic diagram of the high-low pressure demarcation plate of the screw compressor of Fig. 3.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached
Figure, is described in further details the utility model.Here, the exemplary embodiment and its explanation of the utility model are for solving
The utility model is released, but is not intended to limit the scope of the present invention.
As depicted in figs. 1 and 2, in the technical scheme of this embodiment, this reduces vibration and noise using guide ring structure
Screw compressor include bracket 8, slip ring 6, orbiter 5 and fixed scroll 2, slip ring 6 is fixed on bracket 8, move whirlpool
Capstan 5 is slidably disposed on slip ring 6, and fixed scroll 2 and orbiter 5 are cooperatively fixed on bracket 8.It is vortexed
Compressor further includes lower guide ring 4 and upper guide ring 3, and lower guide ring 4 is fixed on bracket 8, and lower guide ring 4 is for fixing
On the sagittal plane of the first height of fixed scroll 2.Upper guide ring 3 is fixed on lower guide ring 4, and upper guide ring 3 is used for
It is fixed on the sagittal plane of the second height of fixed scroll 2.
Using the technical solution of the utility model, lower guide ring 4, which is fixed on bracket 8, is fixed on fixed scroll 2
On the sagittal plane of first height, upper guide ring 3 is fixed at the second height that fixed scroll 2 is fixed on lower guide ring 4
On sagittal plane.So, even if upper guide ring 3 and lower guide ring 4 all have the error in the accuracy of manufacture, cause guide ring
There are gaps between 3 and lower guide ring 4 and the sagittal plane of fixed scroll 2, but since upper guide ring 3 and lower guide ring 4 distinguish position
In in different height, the gaps of two different heights in there are position and in shape maximum probability be it is different, then two
The permitted fixed scroll 2 in the gap of a different height is also relative to the radial motion direction of upper guide ring 3 or lower guide ring 4
It is different, would interfere with or reduce movement of the fixed scroll 2 relative to upper guide ring 3 and lower guide ring 4, and then prevent or
Person reduces the vibration of fixed scroll 2, to significantly reduce the noise generated during compressor operation.
Optionally, in the technical scheme of this embodiment, slip ring 6 is cross slip-ring.
As shown in Figure 3 and Figure 4, as a preferred embodiment, in the technical scheme of this embodiment, fixed scroll
It is provided with the first limiting section on 2, the second limiting section is provided on lower guide ring 4, the second limiting section is matched with the first limiting section
It is rotated to limit fixed scroll 2.By the fit structure of the first limiting section and the second limiting section, quiet vortex can be effectively limited
Disk 2 rotates.
Optionally, as shown in Figure 4 and Figure 5, the first limiting section is the protrusion being arranged on the sagittal plane of fixed scroll 2
2b, the second limiting section are the concave part 4c being provided on lower guide ring 4.It, can also be right as other optional embodiments
Above-mentioned protrusion and concave part structure are exchanged.More preferably, in the technical solution of the present embodiment, protrusion 2b is 4,4
A protrusion 2b spaced set on the sagittal plane of fixed scroll 2, correspondingly, concave part 4c is also 4.As others
Optional embodiment, protrusion 2b may be it is multiple, correspondingly, concave part 4c is also more.More preferably, exist
The two sides of concave part 4c are also provided with two locating slot 4d.When compressor pump is in receiving liquid hammer or there are caused by solid impurity
When instantaneous overload lotus, which allows fixed scroll 2 to float upwards to uninstall instantaneous overload, and locating slot 4d is to undertake
Limit the positioning surface of 2 axial elasticity floating distance of fixed scroll.
As shown in figures 1 and 3, upper guide ring 3, lower guide ring 4 and bracket 8 are sequentially connected by bolt part.
In the technical scheme of this embodiment, as shown in figure 4, being formed with erecting bed 8c on bracket 8, lower guide ring 4 is arranged
On erecting bed 8c.Optionally, screw compressor further includes support plate 7, and support plate 7 is arranged on bracket 8, and the setting of slip ring 6 exists
On bracket 8.
As depicted in figs. 1 and 2, optionally, screw compressor further includes floating seal lid 1, and floating seal lid 1 is arranged quiet
On the exhaust outlet of scroll plate 2.Screw compressor further includes shell 9, and bracket 8, slip ring 6, orbiter 5 and fixed scroll 2 are arranged
In shell 9, high-low pressure demarcation plate 10 is provided on face corresponding with floating seal lid 1 on shell 9.Preferably, high-low pressure
It is provided on demarcation plate 10 and floating seal lid 1 correspondingly non-return valve seat 12 and valve block 11.
Specifically, as shown in Figures 1 to 6, in the technical scheme of this embodiment, the pump body portion of screw compressor, branch
Frame 8 is fixed by welding on shell 9, and shafting component is placed in the radial support bearing hole of support plate 7 and the axis of lower bracket
In bearing bore.Phase angle 180 degree is opposed is mounted in support plate 7 for orbiter 5 and fixed scroll 2 difference, and engagement forms a series of
Mutually isolated and volume consecutive variations compression chambers, the bearing hole of orbiter 5 are placed in the gearratio of cycloid axle formation of shafting component,
Being provided between orbiter 5 and fixed scroll 2 prevents anti-rotation mechanism-slip ring 6 of 5 rotation of orbiter to improve and be vortexed
The runnability of compressor improves operating reliability and the running life of screw compressor, the spiral wraps on fixed scroll 2
The concentricity that geometric center needs to have excellent relative to shafting component rotation center, that is, described in the screw compressor field
Determine vortex centering.In the technical solution of the utility model, the inner circle of periphery 2a and upper guide ring 3 on fixed scroll 2
The inner headed face 4a clearance fit of face 3a and lower guide ring 4 it is assembled together.Wherein the spiral wraps on fixed scroll 2 is several
The center of circle at what center and periphery 2a has excellent concentricity by modes such as machinings between the two.Simultaneously on bracket 8
Between inner headed face 8b on bearing hole 8a and bracket 8, by modes such as machinings, the two has excellent concentricity, and bracket 8
On bearing hole 8a be then shaft components driving rotation center.In this way, on periphery 2a on fixed scroll 2 and bracket 8
Inner headed face 8b is cooperatively assembled, and can guarantee the effect of determine vortex centering well.Compression case Ti Nei pressure at expulsion area with
Suction pressure region is separated by high-low pressure demarcation plate 10.There are the Step-edge Junctions of a protrusion at the edge of high-low pressure demarcation plate 10
The one side 10b of structure, step structure is overlapped on the end face of shell 9, and another side accepts the lower end surface of cover assembly, here by ring
Weldering or other modes complete pressure at expulsion area and suction pressure region, extraneous sealing two-by-two.
When in use, driving motor Component driver shafting component movement, orbiter 5 is under shafting Component driver and slip ring
Under 6 limitation, translation rotation is done with base radius in the center around fixed scroll 2.Refrigerant working fluid enters through suction line
In screw compressor shell 9, the pressure texture of the spiral wraps composition on orbiter 5 and fixed scroll 2 is free in shell 9
Air-breathing is simultaneously compressed, and is discharged by compressed high pressure gas from the working fluid discharge pipe of cover assembly.High-low pressure demarcation plate 10
High pressure gas and low-pressure gas are separated.The middle pressure working fluid drawn from compression middle pressure chamber can push up floating seal lid 1
It rises, is bonded with the sealing surface of high-low pressure demarcation plate 10, working fluid passing away is sealed, prevent high-low pressure gas blowby.While to
Fixed scroll 2 applies sealing force axially downwardly, it is ensured that the axial seal of compression process compression chamber.
When screw compressor operating, when sucking the refrigerant working fluid of compression chamber and being compressed to middle pressure condition, fraction
Middle compression refrigerant working fluid introduces a confined space by the middle pressure hole 2g opened up on fixed scroll 2, forms offer back
The back pressure cavity 2h of pressure.The boundary of back pressure cavity 2h is determined jointly by floating seal lid 1, float large and small sealing ring, fixed scroll 2.
Middle compression refrigerant working fluid in back pressure cavity 2h applies downward axis sealing to fixed scroll 2, to overcome fixed scroll 2
The upward separating force being applied, separating force are caused by the pressure that refrigerant fluid generates in compression process.Hereby it is ensured that
The axial seal of compression chamber prevents compression endoluminal leak.During compressor pump compression work, occur in pump housing volume
When liquid hammer or solid impurity, fixed scroll 2 has flying ability axially upwards, the moment mistake that the off-loadable pump housing is born
Big load guarantees the safety of pump body structure.The middle compression refrigerant working fluid in back pressure cavity 2h applies floating seal lid 1 simultaneously
Upward sealing force, floating seal lid 1 float to contact with the sealing surface 10a of high-low pressure demarcation plate 10 upwards, complete to system
The sealing of cryogen working fluid passing away, prevents high-low pressure gas blowby.
The utility model additionally provides a kind of air-conditioning, which includes above-mentioned screw compressor, using above-mentioned vortex
The noise of air-conditioning can be effectively reduced in compressor.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, the utility model embodiment can have various modifications and variations.All spirit in the utility model
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of screw compressor, including bracket (8), slip ring (6), orbiter (5) and fixed scroll (2), the slip ring (6)
It is fixed on the bracket (8), the orbiter (5) is slidably disposed on the slip ring (6), the quiet vortex
Disk (2) and the orbiter (5) are cooperatively fixed on the bracket (8), which is characterized in that the scroll compression
Machine further include:
Lower guide ring (4), is fixed on the bracket (8), and the lower guide ring (4) is for being fixed on the fixed scroll
(2) on the sagittal plane of the first height；
Upper guide ring (3) is fixed on the lower guide ring (4), and the upper guide ring (3) is for being fixed on the quiet whirlpool
On the sagittal plane of second height of capstan (2).
2. screw compressor according to claim 1, which is characterized in that be provided with the first limit on the fixed scroll (2)
Position portion, the second limiting section is provided on the lower guide ring (4), and second limiting section is shared with first limiting section matching
To limit the fixed scroll (2) rotation.
3. screw compressor according to claim 2, which is characterized in that first limiting section is in the fixed scroll
(2) protrusion (2b) being arranged on sagittal plane, second limiting section are the concave part being provided on the lower guide ring (4)
(4c)。
4. screw compressor according to claim 3, which is characterized in that the protrusion (2b) be it is multiple, it is multiple described
Protrusion (2b) is spaced setting on the sagittal plane of the fixed scroll (2), and correspondingly, the concave part (4c) is also more
It is a.
5. screw compressor according to claim 1, which is characterized in that the upper guide ring (3), the lower guide ring
(4) it is sequentially connected with the bracket (8) by bolt part.
6. screw compressor according to claim 1, which is characterized in that it is formed with erecting bed (8c) on the bracket (8),
The lower guide ring (4) is arranged on the erecting bed (8c).
7. screw compressor according to claim 1, which is characterized in that the screw compressor further includes support plate (7),
The support plate (7) is arranged on the bracket (8), and the slip ring (6) is arranged on the bracket (8).
8. screw compressor according to claim 1, which is characterized in that the screw compressor further includes floating seal lid
(1), the floating seal lid (1) is arranged on the exhaust outlet of the fixed scroll (2).
9. screw compressor according to claim 8, which is characterized in that the screw compressor further includes shell (9), institute
Bracket (8), the slip ring (6), the orbiter (5) and the fixed scroll (2) setting are stated in the shell (9), institute
It states and is provided with high-low pressure demarcation plate (10) on face corresponding with floating seal lid (1) on shell (9).
10. screw compressor according to claim 9, which is characterized in that be provided on the high-low pressure demarcation plate (10)
With the floating seal lid (1) correspondingly non-return valve seat (12) and valve block (11).
11. a kind of air-conditioning, including screw compressor, which is characterized in that the screw compressor is any in claims 1 to 10
Screw compressor described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920146779.6U CN209469580U (en) | 2019-01-25 | 2019-01-25 | The screw compressor and air-conditioning of vibration and noise are reduced using guide ring structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920146779.6U CN209469580U (en) | 2019-01-25 | 2019-01-25 | The screw compressor and air-conditioning of vibration and noise are reduced using guide ring structure |
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| CN209469580U true CN209469580U (en) | 2019-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519374A (en) * | 2019-01-25 | 2019-03-26 | 珠海格力节能环保制冷技术研究中心有限公司 | The screw compressor and air-conditioning of vibration and noise are reduced using guide ring structure |
-
2019
- 2019-01-25 CN CN201920146779.6U patent/CN209469580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519374A (en) * | 2019-01-25 | 2019-03-26 | 珠海格力节能环保制冷技术研究中心有限公司 | The screw compressor and air-conditioning of vibration and noise are reduced using guide ring structure |
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