CN2103672U - Rotary compressor lubricating system - Google Patents
Rotary compressor lubricating system Download PDFInfo
- Publication number
- CN2103672U CN2103672U CN 91218967 CN91218967U CN2103672U CN 2103672 U CN2103672 U CN 2103672U CN 91218967 CN91218967 CN 91218967 CN 91218967 U CN91218967 U CN 91218967U CN 2103672 U CN2103672 U CN 2103672U
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- China
- Prior art keywords
- eccentric shaft
- compressor
- circular groove
- support
- oil
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Abstract
The utility model relates to a rotary compressor lubricating system. The lubrication oil in the shell (1) of the rotary compressor lubricating system is communicated with the annular groove (12) of the eccentric shaft through a radial hole (8) in a machine base (7) to form a channel for the differential-pressure oil supply. The annular groove is connected with two spiral grooves (13) which are distributed in 180 DEG and are arranged on the cylindrical surface (15) of the eccentric shaft. The lubrication oil is led in each moving part of the compressor by making use of the undercut (14) of the eccentric shaft. The structure can make the eccentric shaft uniformly stressed in rotating, and the processing property for manufacturing the parts is raised. Consequently the service life of the compressor is increased, and the cost price of the compressor is reduced.
Description
The utility model relates to a kind of lubrication system of cooling rotary compressor, and this system can improve the manufacturability of support endoporus processing, improves rate of good product, reduces cost.Change the force-bearing situation of eccentric shaft simultaneously, prolonged the working life of compressor.International classification number is: FO4C 18/356, FO4C 29/02.
In prior art, rotary compressor is in the housing of sealing, and motor rotor drives eccentric shaft, on this axle roll sleeve is housed, and along with eccentric shaft rotates, refrigerant gas is sent to relief opening from intakeport continuously through overcompression.For each rotational slide friction portion in the lubricate compressors, on support, bore a radial hole, path (oil guide pipe) as lubricant oil flows enters inner circumferential space in the roll sleeve with the oil in the housing inner oil sump by the groove on the support, is transported to each rotating part then.Differential pressure lubrication system in a kind of rotary piston compressor is disclosed as Chinese invention patent CN85103435A.Wherein oil groove is immersed as oil-feed port in the lower end of radial hole; And the upper end in hole communicates with space in the compressor roll sleeve by groove.Because the pressure of pressurized gas makes the oil in the oil groove enter oil-feed port in the housing, enters the roll sleeve space then, realize lubricating to each active part.
The shortcoming of this structure is that for lubricant oil being imported the space in the roll sleeve, the endoporus that needs to cooperate with eccentric shaft on support is processed a groove.Because the existence of this groove, make eccentric shaft discontinuity at work, cause the part wearing and tearing to be accelerated, reduce the working life of compressor, this groove brings difficulty for the correct grinding endoporus simultaneously, makes inner hole grinding become intermittent grinding, is difficult to guarantee the morpheme and the dimensional accuracy in this hole, the rate of good product of part is reduced, and cost improves.
The purpose of this utility model is to avoid deficiency of the prior art, and has proposed a kind of improved structure.This structure can make lubricant oil flow into each active part of compressor equably, has reached the purpose of sufficient lubrication.And improved the manufacturability of part processing, improve rate of good product, thereby reduced cost, and can improve the life-span of compressor.
The purpose of this utility model is achieved in that and has a circular groove on eccentric shaft, two spiral chutes that are 180 ° of distributions are arranged on the disc between this circular groove and the clearance groov, circular groove is communicated with clearance groov, thereby make lubricant oil enter each movable part of compressor equably.
The purpose of this utility model can also be further perfect by following steps:
Oil supply hole directly communicates on circular groove on the eccentric shaft and the support.When work, the oil that upper oil hole sucts from oil groove directly enters circular groove like this; The support endoporus of oil supply hole is a smooth inner bore that does not have groove, to guarantee the manufacturability of processing.
The utility model has 2 width of cloth accompanying drawings, wherein:
Fig. 1, be the sectional drawing of fuel feeding part, be most preferred embodiment of the present utility model, also can explain the accompanying drawing of book extract;
Fig. 2, be the simplification sectional drawing of compressor.
Below in conjunction with accompanying drawing most preferred embodiment of the present utility model is described further:
Most preferred embodiment of the present utility model as shown in Figure 1, compressor comprises the housing 1 of a sealing, one by motor-driven eccentric shaft 3, on this axle, roll sleeve is housed--rolling piston 4, along with the eccentric shaft rotation, refrigerant gas is sent to relief opening 6 continuously from intakeport 5, slide block 17 keeps often contacting by slide block spring 18 and roll sleeve, suction side and exhaust side are separated, make pressurized gas can not return suction side, on the support 7 of supporting eccentric shaft a radial hole 8 is arranged, as the passage that supplies lubricant oil to each movable part pressure reduction of compressor, its lower end directly communicates with oil groove 9, the upper end is then relative with circular groove 12 on the eccentric shaft 3, circular groove 12 is processed two spiral chutes 13 that are 180 ° of distributions, and is directly communicated with clearance groov 14 near on the cylndrical surface 15 of eccentric part.These two spiral chutes that are 180 ° of distributions 13 are 90 ° with another spiral chute 16 on circular groove 12 opposites.
In this structure, the exhaust pressure in space makes lubricant oil radially rise to circular groove 12 in hole 8 in the housing, and part oil flows into clearance groov 14 and space 11 along spiral chute 13, lubricate a support 7 and axle 3 mating parts, and enter between eccentric shaft 3 and the roll sleeve 4 through the spiral chute 19 of eccentric part; Another part oil then flows into another spiral chute 16 on the eccentric shaft 3, realizes lubricating support and axle.
Because the cylndrical surface 15 of eccentric shaft and the gap between the support hole 20 are guaranteed by the machining accuracy of these two parts, therefore can keep necessary wiper seal.
Evidence: the model machine refrigerating capacity of this structure and COP value and prior art near or excellent slightly, and the high-performance of its advantage to be the processing that improved part kept complete machine.
Claims (3)
1, a kind of lubrication system of cooling rotary compressor, described compressor comprises the housing (1) of a sealing, one by motor-driven eccentric shaft (3), on this axle, roll sleeve is housed--rolling piston (4), along with the eccentric shaft rotation, refrigerant gas is sent to relief opening (6) continuously from intakeport (5), slide block (17) keeps often contacting by slide block spring (18) and roll sleeve, suction side and exhaust side are separated, make pressurized gas can not return suction side, on the support (7) of supporting eccentric shaft a radial hole (8) is arranged, as the passage that supplies lubricant oil to each movable part pressure reduction of compressor, this hole communicates with eccentric shaft, it is characterized in that: have a circular groove (12) on the eccentric shaft, two spiral chutes (13) that are 180 ° of distributions are arranged on the disc (15) between this circular groove (12) and the clearance groov (14), circular groove is communicated with clearance groov, thereby make lubricant oil enter each movable part of compressor equably.
2, lubrication system according to claim 1 is characterized in that: oil supply hole directly communicates on the circular groove on the described eccentric shaft and the support.
3, lubrication system according to claim 2 is characterized in that: the support endoporus of oil supply hole is a smooth inner bore that does not have groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91218967 CN2103672U (en) | 1991-07-30 | 1991-07-30 | Rotary compressor lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91218967 CN2103672U (en) | 1991-07-30 | 1991-07-30 | Rotary compressor lubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2103672U true CN2103672U (en) | 1992-05-06 |
Family
ID=4926329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91218967 Granted CN2103672U (en) | 1991-07-30 | 1991-07-30 | Rotary compressor lubricating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2103672U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075876C (en) * | 1995-10-13 | 2001-12-05 | 三星光州电子株式会社 | Reciprocating compressor |
| CN100395470C (en) * | 2004-08-20 | 2008-06-18 | 住友重机械工业株式会社 | Pin structure of planetary rotary member of planetary reduction mechanism, and method for manufacturing pin |
| CN101852285A (en) * | 2010-05-21 | 2010-10-06 | 胡炜 | Double shunting reducer and transmission shaft thereof |
| CN103994074A (en) * | 2014-05-22 | 2014-08-20 | 广东美芝制冷设备有限公司 | Horizontal rotary compressor |
| CN105402123A (en) * | 2014-08-21 | 2016-03-16 | 洛阳中方实业有限公司 | Rolling piston refrigeration compressor processing sufficient lubricating system and lubricating method |
| CN107120281A (en) * | 2017-06-30 | 2017-09-01 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary compressor |
| CN107191377A (en) * | 2017-06-30 | 2017-09-22 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN107542661A (en) * | 2017-06-30 | 2018-01-05 | 广东美芝制冷设备有限公司 | Single cylinder rotary compressor |
-
1991
- 1991-07-30 CN CN 91218967 patent/CN2103672U/en active Granted
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075876C (en) * | 1995-10-13 | 2001-12-05 | 三星光州电子株式会社 | Reciprocating compressor |
| CN100395470C (en) * | 2004-08-20 | 2008-06-18 | 住友重机械工业株式会社 | Pin structure of planetary rotary member of planetary reduction mechanism, and method for manufacturing pin |
| CN101852285A (en) * | 2010-05-21 | 2010-10-06 | 胡炜 | Double shunting reducer and transmission shaft thereof |
| CN103994074A (en) * | 2014-05-22 | 2014-08-20 | 广东美芝制冷设备有限公司 | Horizontal rotary compressor |
| CN105402123A (en) * | 2014-08-21 | 2016-03-16 | 洛阳中方实业有限公司 | Rolling piston refrigeration compressor processing sufficient lubricating system and lubricating method |
| CN107120281A (en) * | 2017-06-30 | 2017-09-01 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary compressor |
| CN107191377A (en) * | 2017-06-30 | 2017-09-22 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN107542661A (en) * | 2017-06-30 | 2018-01-05 | 广东美芝制冷设备有限公司 | Single cylinder rotary compressor |
| CN107120281B (en) * | 2017-06-30 | 2019-11-05 | 广东美芝制冷设备有限公司 | Multi-cylinder rotary compressor |
| CN107542661B (en) * | 2017-06-30 | 2020-01-10 | 广东美芝制冷设备有限公司 | Single-cylinder rotary compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |