CN201148971Y - Oil separator of rotary vane compressor - Google Patents
Oil separator of rotary vane compressor Download PDFInfo
- Publication number
- CN201148971Y CN201148971Y CNU2007201995915U CN200720199591U CN201148971Y CN 201148971 Y CN201148971 Y CN 201148971Y CN U2007201995915 U CNU2007201995915 U CN U2007201995915U CN 200720199591 U CN200720199591 U CN 200720199591U CN 201148971 Y CN201148971 Y CN 201148971Y
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- oil
- cavity
- oil separator
- air outlet
- guide rod
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Abstract
The utility model provides an oil separator of a rotary vane compressor which is used for receiving mixed gas of oil and gas discharged through a cylinder body. The oil separator comprises a plurality of exhaust passages, a hollow cavity and an oil guiding rod. The plurality of exhaust passages are used for receiving the mixed gas of oil and gas discharged through the cylinder body, and gathered to form an air outlet; an air outlet communicates with the hollow cavity and is tangential to the surface of the hollow cavity; the position where the air outlet communicates with the hollow cavity deviates from the centre line of the hollow cavity; an oil outlet is arranged on the lowest part of the hollow cavity and communicates with the inner cavity of an outer shell; the oil guiding rod is arranged in the hollow cavity and is a cylinder with steps; the upper end of the oil guiding rod is fixed with the hollow cavity through interference fit; the mixed high pressure gas of gas and oil entering through the air outlet is guided by the surface of the oil guiding rod to rotate along the inner wall of the hollow cavity, moves downwards and discharges out of the oil separator. The oil separator effectively improves the effect of separating oil from gas, reduces exhaust resistance and improves the COP value of the compressor.
Description
Technical field
The utility model relates to the compressor in the automotive air-conditioning system, more particularly, relates to the oil separator of double working-chamber rotary blade type compressor.
Background technique
In being used for the rotary vane type compressor of automotive air-conditioning system, the rotor that a plurality of blades are housed is driven by main shaft and rotates in cylinder block, cylinder block is located in the compressor case and the surface of internal cavity of cylinder block is the sub-elliptical shape, rotor is separated into two active chambers up and down with the cylinder block inner chamber, rotation by blade, the space that is separated into by blade formed volume ascending, again to the compression chamber of little circulation change, the refrigerant gas that is drawn into the compression chamber from intakeport is compressed and emits from relief opening.
Fig. 1 is the longitudinal sectional view of this traditional rotary vane type compressor, and Fig. 2 is the sectional view along Fig. 1 center line A-A.Fig. 3 is the end view of oil separator behind the dismounting shell.Fig. 4 is the end view of the rear end cover behind dismounting shell and the oil separator.
This traditional rotary vane type compressor profile is formed with the protecgulum 12 that is installed to this opening side by an open-ended shell 11.In shell 11, have inner chamber 143 for oval-shaped substantially cylinder block 14 is arranged between front cover 13 and the rear end cover 15, the rotor 27 that a plurality of blades 26 are housed can be rotatably set in the cylinder block 14.
From cylinder block 14 both sides exhaust ports 144 and the 145 high-pressure oil gas mixed gass of discharging, through being installed in exhaust valve plate 24 on (exhaust port corresponding position) the flat bit plane of the cylinder block outside, limiting board 23, then through 15 liang of exhaust ports 151 of rear end cover and 152 and passage 153 and 154 be pooled to hole 155, enter oil separator 17 again, in oil separator, pressurized gas hit metal screen 170, under the metal screen damping function, the lubricant oil cohesion flows to shell oil sump 111, refrigeration agent is separated into high pressure draught to shell exhaust cavity 113, enter air-conditioning system through relief opening 112, thereby realize Oil-gas Separation.
In the above-mentioned compressor structure, utilize metal screen to carry out Oil-gas Separation, it is simple in structure, but because metal screen is installed on the exhaust passage, and exhaust resistance increases, causes the compressor power consumption to increase, and refrigerating capacity reduces.In addition, owing to control lubricating oil separation by filter screen mesh size, mesh is too small, and exhaust resistance increases; Mesh is excessive, and oil separates weak effect.So it is not very good that oil separates effect.
The model utility content
The utility model aims to provide a kind of oil separator that can more effectively realize Oil-gas Separation.
According to the utility model, a kind of oil separator of rotary vane type compressor is provided, the high-pressure oil gas mixed gas that reception is discharged by cylinder block, this oil separator comprises: several exhaust passages, receive the high-pressure oil gas mixed gas of being discharged by cylinder block respectively, described several exhaust passages pool an air outlet; Cavity, described air outlet are communicated to described cavity and tangent with cavity surface, and described air outlet is communicated to the center line of the position deviation of cavity in cavity, and the foot of cavity has oil outlet, is connected with shell inner cavity; The Oil Guide rod, be installed in the described cavity, this Oil Guide rod is for there being the cylindrical body of step, and the upper end of Oil Guide rod and cavity are fixed by interference fit, and the high-pressure oil gas mixed gas that the surface guiding of Oil Guide rod enters by the air outlet rotates and moves down along cavity inner wall discharges described oil separator.
According to a kind of implementation, described cavity is the cone cavity of little tapering, and vertical placement of this cone cavity and maintenance small end are in the bottom; The upper end of described Oil Guide rod and the big end of cone cavity cylndrical surface are fixed by interference fit.
According to another kind of implementation, described cavity is a cylindrical cavity; The upper end of described Oil Guide rod and cylndrical surface, cylindrical cavity upper end are fixed by interference fit.
The utility model utilizes action of centrifugal force, will be separated on the cone inwall than the oil particles of big quality and condenses into oil droplet, moves down along the cone inwall, by aperture, drips in the oil sump of shell.And refrigerant gas is discharged the oil separator parts by the mesopore of Oil Guide rod, enters the shell exhaust cavity, and discharges compressor by the relief opening on the shell.This has just realized Oil-gas Separation.Thereby improved oil gas separation, reduced exhaust resistance, improved compressor COP (refrigerating capacity and power consumpiton ratio) value.
Description of drawings
The above and other feature of the present utility model, character and advantage will become more obvious by the description below in conjunction with drawings and Examples, in the accompanying drawings, identical reference character is represented identical feature all the time, wherein:
Fig. 1 is the longitudinal sectional view of traditional rotary vane type compressor in the prior art.
Fig. 2 is the sectional view along Fig. 1 center line A-A.
Fig. 3 is the end view of oil separator behind the dismounting shell.
Fig. 4 is the end view of the rear end cover behind dismounting shell and the oil separator.
Fig. 5 is a longitudinal sectional view of using the rotary vane type compressor of oil separator of the present utility model.
Fig. 6 is the left side view of oil separator of the present utility model.
Fig. 7 is along the A-A sectional view of oil separator among Fig. 5.
Fig. 8 is the embodiment according to another oil separator of the utility model principle.
Embodiment
Be described in detail below in conjunction with Fig. 5-7 couple of embodiment of the present utility model.Fig. 5 is a longitudinal sectional view of using the rotary vane type compressor of oil separator of the present utility model.Fig. 6 is the left side view of oil separator.Fig. 7 is along the A-A sectional view of oil separator among Fig. 5.
Motor drives compressor pulley 10 by belt and rotates, and as shown in Figure 5, when clutch 16 was connected, belt pulley 10 to main shaft 18, drove transmission of power the rotor 27 that a plurality of blades 26 are housed and rotates in cylinder block 14, as shown in Figure 2.Blade 26 elliptical shape surface of internal cavity 143 along cylinder in rotor 271 slides up and down, rotation by blade, the space that is separated into by blade has formed the compression chamber 23 that volume changes repeatedly, and the refrigerant gas that is drawn in the compression chamber is compressed and emits from relief opening 144 and 145.
From cylinder block 14 both sides exhaust ports 144 and the 145 high-pressure oil gas mixed gass of discharging, through exhaust valve plate 24, limiting board 23, be pooled to hole 155 from 15 liang of exhaust ports 152 of rear end cover and passage 153 and 154, enter oil separator 57, oil separator is fixed on the rear end cover 15 by screw 50.Need to prove that according to the difference of the exhaust port quantity on the rear end cover, the exhaust passage that oil separator can have a respective numbers is attached thereto and connects.The position of this oil separator should be arranged on the top of shell oil sump, so that oil droplet successfully drops onto in the oil sump.In different embodiments, oil separator can not be fixed on the rear end cover.
In oil separator 57, two exhaust passages 571 and 572 that connect rear end cover two exhaust ports 151 and 152 pool an air outlet 573,573 pressurized gas of discharging enter the cone cavity 574 of less tapering from the air outlet, air outlet 573 is tangent with the cone cavity surface, this air outlet 573 is communicated to the position deviation of cone cavity 574 in the center line of cone cavity 574, so that make the gas that pours can produce the eddy current of rotation in cone cavity 574.Vertical as far as possible placement of cone and maintenance small end are opened a fuel-displaced aperture 575 at foot and are linked to each other with shell inner cavity 113 in the bottom.One Oil Guide rod 70 is installed in the cone cavity, and this Oil Guide rod 70 is the cylindrical body that step is arranged, and there is a cylindrical hole 701 centre.The upper end periphery 702 of Oil Guide rod is fixed with the big end of cone cavity cylndrical surface 576 interference fit.The pressurized gas of discharging from air outlet 573 rotate along cone inwall 577 under the effect on Oil Guide rod surface 703, because the cone top seal, gas moves down, and rotational speed is more and more higher.Under centrifugal action, the oil particles of big quality is separated on the cone inwall 577 and condenses into oil droplet, moves down along the cone inwall, through fuel-displaced aperture 575, drips in the oil sump 111 of shell.And refrigerant gas is discharged the oil separator parts by the mesopore 701 of Oil Guide rod, enters shell exhaust cavity 113, and discharges compressor by the relief opening on the shell 112.
Fig. 8 is the embodiment according to another oil separator of the utility model principle.Less tapering cone cavity among Fig. 7 is designed to cylindrical cavity, and the air outlet and the cylindrical cavity surface of discharging pressurized gas are tangent, same, and the air outlet is communicated to the center line of the position deviation of cylindrical cavity in cylindrical cavity.All the other structures are identical with Fig. 7, make the rotation of high-pressure oil gas mixed gas equally, realize Oil-gas Separation.
The utility model utilizes action of centrifugal force, will be separated on the cone inwall than the oil particles of big quality and condenses into oil droplet, moves down along the cone inwall, by aperture, drips in the oil sump of shell.And refrigerant gas is discharged the oil separator parts by the mesopore of Oil Guide rod, enters the shell exhaust cavity, and discharges compressor by the relief opening on the shell.This has just realized Oil-gas Separation.Thereby improved oil gas separation, reduced exhaust resistance, improved compressor COP (refrigerating capacity and power consumpiton ratio) value.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present utility model; those skilled in the art can be under the situation that does not break away from model utility thought of the present utility model; the foregoing description is made various modifications or variation; thereby protection domain of the present utility model do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (7)
1. the oil separator of a rotary vane type compressor receives the high-pressure oil gas mixed gas of being discharged by cylinder block, it is characterized in that this oil separator comprises:
Several exhaust passages receive the high-pressure oil gas mixed gas of being discharged by cylinder block respectively, and described several exhaust passages pool an air outlet;
Cavity, described air outlet are communicated to described cavity and tangent with cavity surface, and described air outlet is communicated to the center line of the position deviation of cavity in cavity, and the foot of cavity has oil outlet, is connected with shell inner cavity;
The Oil Guide rod, be installed in the described cavity, this Oil Guide rod is for there being the cylindrical body of step, and the upper end of Oil Guide rod and cavity are fixed by interference fit, and the high-pressure oil gas mixed gas that the surface guiding of Oil Guide rod enters by the air outlet rotates and moves down along cavity inner wall discharges described oil separator.
2. the oil separator of rotary vane type compressor as claimed in claim 1 is characterized in that,
Described cavity is the cone cavity of little tapering, and vertical placement of this cone cavity and maintenance small end are in the bottom;
The upper end of described Oil Guide rod and the big end of cone cavity cylndrical surface are fixed by interference fit.
3. the oil separator of rotary vane type compressor as claimed in claim 1 is characterized in that,
Described cavity is a cylindrical cavity;
The upper end of described Oil Guide rod and cylndrical surface, cylindrical cavity upper end are fixed by interference fit.
4. as each described oil separator in claim 2 or 3, it is characterized in that,
One cylindrical hole is arranged in the middle of the described Oil Guide rod.
5. oil separator as claimed in claim 4 is characterized in that,
Described oil separator comprises two exhaust passages, is connected respectively to two exhaust ports of rear end cover.
6. oil separator as claimed in claim 4 is characterized in that,
Described oil separator is positioned at the top of shell oil sump.
7. oil separator as claimed in claim 6 is characterized in that,
Described oil separator is fixed on the rear end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201995915U CN201148971Y (en) | 2007-12-21 | 2007-12-21 | Oil separator of rotary vane compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201995915U CN201148971Y (en) | 2007-12-21 | 2007-12-21 | Oil separator of rotary vane compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201148971Y true CN201148971Y (en) | 2008-11-12 |
Family
ID=40116739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201995915U Expired - Fee Related CN201148971Y (en) | 2007-12-21 | 2007-12-21 | Oil separator of rotary vane compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201148971Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925754A (en) * | 2014-04-30 | 2014-07-16 | 任少琳 | Novel oil filter and technology for connecting novel oil filter with air outlet pipe |
| CN105814312A (en) * | 2013-12-20 | 2016-07-27 | 法雷奥日本株式会社 | Compressor |
| CN109477484A (en) * | 2016-07-08 | 2019-03-15 | 格布尔.贝克尔有限责任公司 | The rotary-vane vaccum pump of oil lubrication |
| JP2020148159A (en) * | 2019-03-15 | 2020-09-17 | 株式会社豊田自動織機 | Compressor |
| CN114963483A (en) * | 2021-02-20 | 2022-08-30 | 浙江盾安人工环境股份有限公司 | Liquid separator |
-
2007
- 2007-12-21 CN CNU2007201995915U patent/CN201148971Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105814312A (en) * | 2013-12-20 | 2016-07-27 | 法雷奥日本株式会社 | Compressor |
| CN103925754A (en) * | 2014-04-30 | 2014-07-16 | 任少琳 | Novel oil filter and technology for connecting novel oil filter with air outlet pipe |
| CN109477484A (en) * | 2016-07-08 | 2019-03-15 | 格布尔.贝克尔有限责任公司 | The rotary-vane vaccum pump of oil lubrication |
| JP2020148159A (en) * | 2019-03-15 | 2020-09-17 | 株式会社豊田自動織機 | Compressor |
| CN114963483A (en) * | 2021-02-20 | 2022-08-30 | 浙江盾安人工环境股份有限公司 | Liquid separator |
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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: 20081112 Termination date: 20151221 |
|
| EXPY | Termination of patent right or utility model |