CN202768397U - Compressor roller capable of reducing oil discharge and rotary compressor thereof - Google Patents
Compressor roller capable of reducing oil discharge and rotary compressor thereof Download PDFInfo
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- CN202768397U CN202768397U CN 201220066245 CN201220066245U CN202768397U CN 202768397 U CN202768397 U CN 202768397U CN 201220066245 CN201220066245 CN 201220066245 CN 201220066245 U CN201220066245 U CN 201220066245U CN 202768397 U CN202768397 U CN 202768397U
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- roller
- end surface
- fillet
- cylindrical
- joint
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- 238000007906 compression Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 238000010992 reflux Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model provides a compressor roller and rotary compressor for reducing oil discharge, which comprises a roller, a crankshaft, a cylinder, an upper flange and a lower flange, wherein the roller consists of a roller excircle, a roller upper end surface and a roller lower end surface; the exhaust end clearance formed at the connection part of the roller excircle and the roller upper end surface and the connection part of the cylinder inner circle and the upper flange is smaller than the suction end clearance formed at the connection part of the roller excircle and the roller lower end surface and the connection parts of the cylinder inner circle, the slip sheet and the lower flange.
Description
[technical field]
The utility model relates to the roller of compressor, relates in particular to a kind of compressor roller and rotary compressor thereof that reduces oil drain quantity.
[background technique]
The refrigeration oil major function of rotary compressor is to provide compressor pump good lubrication and circulation to take away the frictional heat of part between the pump housing, in the rotary compressor pump body compression process, the roller lower end surface is tangential frizing from suction end to exhaust end, refrigeration oil is rushed for exhaust end, and the part refrigeration oil is extruded relief opening or is discharged the pump housing, too much oil drain quantity with pressurized gas by roller, the power consumption of loss compressor, simultaneously, too much oil drain quantity to a certain degree affects the heat transfer effect of air conditioner two-unit.The roller of rotary compressor, such as Fig. 1, the general symmetric design that adopts, the end of making no distinction of rank, reveal in order to reduce pump body, fillet general control on the roller cylindrical is in less scope, and the scope of the fillet radius R of fillet is R0.08mm～R0.13mm on the roller cylindrical, and the fillet of roller cylindrical upper and lower end is R0.1mm among Fig. 1.
[model utility content]
The first goal of the invention of the present utility model provides a kind of and adopts asymmetric design, can effectively reduce oil drain quantity, improves the compressor roller of compressor performance.
The second goal of the invention of the present utility model provides a kind of compressor roller to adopt asymmetric design, can effectively reduce oil drain quantity, improves the rotary compressor of compressor performance.
In order to realize the utility model the first goal of the invention, the technological scheme of employing is:
A kind of compressor roller that reduces oil drain quantity, comprise roller cylindrical, roller upper-end surface and roller lower end surface, the roller cylindrical is assemblied in the cylinder inner circle, the cylinder upper and lower end is equipped with upper flange and the lower flange that cooperates respectively with roller upper-end surface and roller lower end surface, and being axially installed with the roller cylindrical of cylinder cooperates the slide plate that compression chamber is divided into rich oil exhaust cavity and oil-poor air aspiration cavity; The suction end gap that the exhaust end gap that forms in roller cylindrical, joint, roller upper-end surface and cylinder inner circle, upper flange joint forms less than roller cylindrical, joint, roller lower end surface and cylinder inner circle, slide plate and lower flange joint, to reach the oil return gap that increases suction end, the exhaust end oil mass is reduced, play the effect that reduces oil drain quantity.
The upper and lower end of described roller cylindrical adopts asymmetric design, the upper fillet of roller cylindrical and the processing of joint, roller upper-end surface is less than the lower fillet of roller cylindrical and the processing of joint, roller lower end surface, the suction end gap that the exhaust end gap that corresponding upper fillet forms forms less than lower fillet.
The scope of the fillet radius R of described upper fillet is R0.08mm～R0.13mm, and the fillet radius R of lower fillet is greater than 0.13mm.
In order to realize the utility model the second goal of the invention, the technological scheme of employing is:
A kind of rotary compressor that reduces oil drain quantity, comprise roller, bent axle, cylinder, upper flange and lower flange, roller is comprised of roller cylindrical, roller upper-end surface and roller lower end surface, roller is installed on the bent axle and the roller cylindrical is assemblied in the cylinder inner circle, the cylinder upper and lower end is equipped with upper flange and the lower flange that cooperates respectively with roller upper-end surface and roller lower end surface, and being axially installed with the roller cylindrical of cylinder cooperates the slide plate that compression chamber is divided into rich oil exhaust cavity and oil-poor air aspiration cavity; The suction end gap that the exhaust end gap that forms in roller cylindrical, joint, roller upper-end surface and cylinder inner circle, upper flange joint forms less than roller cylindrical, joint, roller lower end surface and cylinder inner circle, slide plate and lower flange joint.
The upper and lower end of described roller cylindrical adopts asymmetric design, the upper fillet of roller cylindrical and the processing of joint, roller upper-end surface is less than the lower fillet of roller cylindrical and the processing of joint, roller lower end surface, the suction end gap that the exhaust end gap that corresponding upper fillet forms forms less than lower fillet.
The scope of the fillet radius R of described upper fillet is R0.08mm～R0.13mm, and the fillet radius R of lower fillet is greater than 0.13mm.
The beneficial effects of the utility model are:
The utility model is in order to reduce the oil drain quantity of compressor, improve compressor performance, the fillet of roller cylindrical adopts asymmetric design, the lower fillet of roller lower end surface strengthens, thereby roller lower end surface and slide plate have been strengthened, the suction end gap of cylinder, although lower fillet dimensional variations is little, only have tens or the hundreds of micron, but the compressor for more than 2,000 compressed action of per minute, the slight change of compression chamber will produce certain effect, especially difficult for the oil return of frequency-changeable compressor low-frequency range, and the poor R410A compressor of refrigeration oil viscosity large fluidity, positive effect will be produced.Refrigeration oil will reflux to oil-poor air aspiration cavity from the rich oil exhaust cavity by suction end gap, two places under pressure during work, the unnecessary oil mass of exhaust gas region reduces, pump housing oil drain quantity reduces, also reduce simultaneously power consumption, promote compressor performance, reduced oil drain quantity from the pump housing source of rotary compressor.
[description of drawings]
Fig. 1 is the structural representation of roller in the prior art;
Fig. 2 is the structural representation of the utility model roller;
Fig. 3 is the utility model roller and the axial sectional view of compressor miscellaneous part assembly relation;
Fig. 4 be among the utility model Fig. 3 A section roller and slide plate at the enlarged view of lower flange joint;
Fig. 5 be among the utility model Fig. 3 B section roller and cylinder inner circle at the enlarged view of lower flange joint;
Fig. 6 is the utility model roller and compressor miscellaneous part assembly relation cross-sectional view.
[embodiment]
Extremely shown in Figure 6 such as Fig. 2, a kind of compressor roller that reduces oil drain quantity, be applied on the rotary compressor, comprise roller 1, bent axle 2, cylinder 3, upper flange 4 and lower flange 5, roller 1 is by roller cylindrical 1a, roller upper-end surface 1b and roller lower end surface 1c form, roller 1 is installed on the bent axle 2 and roller cylindrical 1a is assemblied in cylinder 3 inner circles, on the cylinder 3, the lower end is equipped with upper flange 4 and the lower flange 5 that cooperates respectively with roller upper-end surface 1b and roller lower end surface 1c, and being axially installed with roller cylindrical 1a of cylinder 3 cooperates the slide plate 8 that compression chamber is divided into rich oil exhaust cavity 6 and oil-poor air aspiration cavity 7; The suction end gap 10 that the exhaust end gap 9 that forms in roller cylindrical 1a, 1b joint, roller upper-end surface and cylinder 3 inner circles, upper flange 4 joints forms less than roller cylindrical 1a, 1c joint, roller lower end surface and cylinder 3 inner circles, slide plate 8 and lower flange 5 joints.
As shown in Figure 4 and Figure 5, described exhaust end gap 9 and suction end gap 10 are specially, the upper and lower end of roller cylindrical 1a adopts asymmetric design, the upper fillet 11 of roller cylindrical 1a and the processing of 1b joint, roller upper-end surface is less than the lower fillet 12 of roller cylindrical 1a and the processing of 1c joint, roller lower end surface, the suction end gap 10 that the exhaust end gap 9 that corresponding upper fillet 11 forms forms less than lower fillet 12, scope of fillet radius R of fillet 11 is R0.08mm～R0.13mm on it, and the fillet radius R of lower fillet 12 is greater than 0.13mm.
In the utility model, the rotary compressor pump housing surrounds compression chamber (rich oil exhaust cavity 6 and oil-poor air aspiration cavity 7) by roller cylindrical 1a and end face, cylinder 3 inner circles and end face, up/down flange (4,5), slide plate 8 sides and end face, rely on Spielpassung between the part, the refrigeration oil auxiliary seal, allow certain internal leakage, reveal in order to reduce pump body, the fillet general control on the roller cylindrical 1a is at less scope: R0.08～R0.13; In the rotary compressor pump body compression process, roller lower end surface 1c is tangential frizing from suction end to exhaust end, refrigeration oil is rushed for exhaust end, the part refrigeration oil is extruded relief opening or is discharged the pump housing with pressurized gas by roller, in order to reduce the oil drain quantity of compressor, improve compressor performance, the fillet of roller cylindrical 1a is adopted asymmetric design, the lower fillet 12 of roller lower end surface strengthens, thereby roller lower end surface 1c and slide plate 8 have been strengthened, the suction end gap 10 of cylinder 3, refrigeration oil will reflux to oil-poor air aspiration cavity 7 from rich oil exhaust cavity 6 by suction end gap 10, two places under pressure during work, the unnecessary oil mass of exhaust gas region reduces, and pump housing oil drain quantity reduces, and also reduces power consumption simultaneously, promote compressor performance, reduced oil drain quantity from the pump housing source of rotary compressor.When the fillet of the cylindrical of falling roller 1a, separately two kinds of fillets of upper and lower end face during the compressor assembling, have indicated the upper and lower end face of roller 1 in the manufacturing, and the assembled orientation roller gets final product.
The above embodiment for preferred embodiment of the present utility model, is not to limit practical range of the present utility model with this just, and the equivalence that all shapes according to the utility model, structure and principle are done changes, and all should be covered by in the protection domain of the present utility model.
Claims (6)
1. compressor roller that reduces oil drain quantity, comprise roller cylindrical, roller upper-end surface and roller lower end surface, the roller cylindrical is assemblied in the cylinder inner circle, the cylinder upper and lower end is equipped with upper flange and the lower flange that cooperates respectively with roller upper-end surface and roller lower end surface, and being axially installed with the roller cylindrical of cylinder cooperates the slide plate that compression chamber is divided into rich oil exhaust cavity and oil-poor air aspiration cavity; It is characterized in that:
The suction end gap that the exhaust end gap that forms in roller cylindrical, joint, roller upper-end surface and cylinder inner circle, upper flange joint forms less than roller cylindrical, joint, roller lower end surface and cylinder inner circle, slide plate and lower flange joint.
2. described a kind of compressor roller that reduces oil drain quantity according to claim 1, it is characterized in that, the upper and lower end of described roller cylindrical adopts asymmetric design, the upper fillet of roller cylindrical and the processing of joint, roller upper-end surface is less than the lower fillet of roller cylindrical and the processing of joint, roller lower end surface, the suction end gap that the exhaust end gap that corresponding upper fillet forms forms less than lower fillet.
3. described a kind of compressor roller that reduces oil drain quantity according to claim 2 is characterized in that the scope of the fillet radius R of described upper fillet is R0.08mm～R0.13mm, and the fillet radius R of lower fillet is greater than 0.13mm.
4. rotary compressor that reduces oil drain quantity, comprise roller, bent axle, cylinder, upper flange and lower flange, roller is comprised of roller cylindrical, roller upper-end surface and roller lower end surface, roller is installed on the bent axle and the roller cylindrical is assemblied in the cylinder inner circle, the cylinder upper and lower end is equipped with upper flange and the lower flange that cooperates respectively with roller upper-end surface and roller lower end surface, and being axially installed with the roller cylindrical of cylinder cooperates the slide plate that compression chamber is divided into rich oil exhaust cavity and oil-poor air aspiration cavity; It is characterized in that:
The suction end gap that the exhaust end gap that forms in roller cylindrical, joint, roller upper-end surface and cylinder inner circle, upper flange joint forms less than roller cylindrical, joint, roller lower end surface and cylinder inner circle, slide plate and lower flange joint.
5. described a kind of rotary compressor that reduces oil drain quantity according to claim 4, it is characterized in that, the upper and lower end of described roller cylindrical adopts asymmetric design, the upper fillet of roller cylindrical and the processing of joint, roller upper-end surface is less than the lower fillet of roller cylindrical and the processing of joint, roller lower end surface, the suction end gap that the exhaust end gap that corresponding upper fillet forms forms less than lower fillet.
6. described a kind of rotary compressor that reduces oil drain quantity according to claim 5 is characterized in that the scope of the fillet radius R of described upper fillet is R0.08mm～R0.13mm, and the fillet radius R of lower fillet is greater than 0.13mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220066245 CN202768397U (en) | 2012-02-27 | 2012-02-27 | Compressor roller capable of reducing oil discharge and rotary compressor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220066245 CN202768397U (en) | 2012-02-27 | 2012-02-27 | Compressor roller capable of reducing oil discharge and rotary compressor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202768397U true CN202768397U (en) | 2013-03-06 |
Family
ID=47774978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220066245 Expired - Fee Related CN202768397U (en) | 2012-02-27 | 2012-02-27 | Compressor roller capable of reducing oil discharge and rotary compressor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202768397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704180A (en) * | 2015-07-31 | 2017-05-24 | 钱建忠 | Oil-gas separation type air-condition compressor |
-
2012
- 2012-02-27 CN CN 201220066245 patent/CN202768397U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704180A (en) * | 2015-07-31 | 2017-05-24 | 钱建忠 | Oil-gas separation type air-condition 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: 20130306 Termination date: 20210227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |