CN107725329B - Oil gas control device of semi-closed piston compressor - Google Patents
Oil gas control device of semi-closed piston compressor Download PDFInfo
- Publication number
- CN107725329B CN107725329B CN201711087810.5A CN201711087810A CN107725329B CN 107725329 B CN107725329 B CN 107725329B CN 201711087810 A CN201711087810 A CN 201711087810A CN 107725329 B CN107725329 B CN 107725329B
- Authority
- CN
- China
- Prior art keywords
- baffle plate
- elastic reed
- compressor
- motor cavity
- oil storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 48
- 239000003507 refrigerant Substances 0.000 claims abstract description 27
- 238000013016 damping Methods 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 16
- 230000000670 limiting effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000005461 lubrication Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 43
- 238000005266 casting Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0207—Lubrication with lubrication control systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention relates to an oil gas control device of a semi-closed piston compressor, which comprises an elastic reed and a baffle plate, wherein a motor cavity and an oil storage cavity are separated by a compressor shell, a baffle plate is cast on the motor cavity side of the compressor shell, a through hole for communicating the motor cavity and the oil storage cavity is arranged on the baffle plate of the compressor shell, the elastic reed and the baffle plate are fixedly arranged on the baffle plate of the compressor shell through screws and positioning pins, the elastic reed is arranged between the baffle plate and the baffle plate, when the compressor operates, the pressure of the motor cavity is reduced, a refrigerant in the oil storage cavity flows to the motor cavity through the through hole on the baffle plate of the shell, the elastic reed is pushed away from the baffle plate, and the elastic reed can provide certain damping. The oil gas control device of the semi-closed piston compressor can solve the problems of poor lubrication effect and large oil carrying quantity of refrigerant in the starting process of the compressor.
Description
Technical Field
The invention relates to an oil gas control device of a semi-closed piston compressor.
Background
At present, a motor cavity and an oil storage cavity of a semi-closed piston compressor adopting splash lubrication are directly communicated through an opening on a shell casting. The structure has the defects that the opening of the casting is relatively large, the pressure of the oil storage cavity is equal to that of the motor cavity, the pressure of the motor cavity is rapidly reduced in the starting stage of the compressor, and the refrigerant dissolved in the refrigerating oil in the oil storage cavity can be rapidly volatilized, so that a large number of bubbles are generated in the refrigerating oil, and the lubricating effect is poor; and a large amount of refrigerant, in which the refrigerant is volatilized, is brought into the system, making the oil level in the compressor oil storage chamber low.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an oil gas control device of a semi-closed piston compressor, which can solve the problems of poor lubrication effect and large oil carrying amount of a refrigerant in the starting process of the compressor.
The technical scheme of the invention is as follows:
the utility model provides an oil gas controlling means of semi-closed piston compressor, including spring reed and baffle, motor cavity and oil storage chamber are separated by the compressor casing, the casting has the baffle on the motor cavity side of compressor casing, be provided with the through-hole that communicates motor cavity and oil storage chamber on the baffle of compressor casing, spring reed and baffle pass through screw and locating pin fixed mounting on the baffle of compressor casing, wherein spring reed sets up between baffle and baffle, motor cavity pressure reduces when the compressor is operation, the refrigerant in oil storage chamber flows to the motor cavity through the through-hole on the casing baffle, spring reed is pushed away and is left the baffle, spring reed can provide certain damping, consequently the refrigerant flow of oil storage chamber flow to motor cavity is less, the pressure in oil storage chamber slowly drops, the refrigerant that dissolves in the frozen oil can not volatilize fast, can not produce a large amount of bubbles in the refrigerant, oil vapor can not follow the refrigerant in a large number and leave the compressor.
The elastic reed is attached to the partition board, the upper end of the elastic reed is fixed on the partition board by a screw, and the lower end of the elastic reed is a movable end, so that the elastic reed can leave the partition board due to the pressure difference between the motor cavity and the oil storage cavity.
The upper end of the baffle is attached to the upper end of the elastic reed, the baffle is fixed on the baffle by the screw and the locating pin, the lower end of the baffle is separated from the lower end of the elastic reed by a certain distance, the baffle has a limiting effect on the elastic reed, and the phenomenon that the elastic reed is not damped enough to be pushed away too much due to too large instantaneous pressure difference is prevented.
The through holes are formed in the partition plate of the compressor shell, so that the pressure in the motor cavity and the pressure in the oil storage cavity can be balanced as soon as possible, and the refrigerant flowing from the oil storage cavity to the motor cavity can be reduced.
The invention has the following beneficial effects:
the invention can solve the problems of poor lubrication effect and large oil carrying amount of the refrigerant in the starting process of the compressor.
Drawings
FIG. 1 is a sectional view of a oil and gas control device of a semi-closed piston compressor according to the present invention.
The reference numerals in the drawings are as follows:
1-shell, 2-baffle, 3-spring reed, 4-fixing bolt, 5-locating pin, 6-motor cavity, 7-oil storage cavity.
Detailed Description
The invention will now be described in detail with reference to the drawings and to specific embodiments.
Referring to fig. 1, an oil gas control device of a semi-closed piston compressor comprises an elastic reed 3 and a baffle plate 2, wherein a motor cavity 6 and an oil storage cavity 7 are separated by a compressor shell 1, a baffle plate is cast on the motor cavity 6 side of the compressor shell 1, through holes for communicating the motor cavity 6 and the oil storage cavity 7 are formed in the baffle plate of the compressor shell 1, the elastic reed 3 and the baffle plate 2 are fixedly arranged on the baffle plate of the compressor shell 1 through bolts 4 and positioning pins 5, the elastic reed 3 is arranged between the baffle plate 2 and the baffle plate, when the compressor operates, the pressure of the motor cavity 6 is reduced, refrigerant in the oil storage cavity 7 flows to the motor cavity 6 through the through holes in the baffle plate of the shell 1, the elastic reed 3 is pushed away from the baffle plate, the elastic reed 3 can provide certain damping, so that the flow rate of the refrigerant flowing to the motor cavity 6 in the oil storage cavity 7 is relatively small, the pressure of the oil storage cavity is slowly reduced, the refrigerant dissolved in the refrigerant is not volatilized rapidly, a large number of bubbles are not generated in the refrigerant, and a large number of oil vapors are not left in the refrigerant.
Preferably, the elastic reed 3 is attached to the partition board, the upper end of the elastic reed is fixed on the partition board by the screw 4, and the lower end of the elastic reed is a movable end, so that the elastic reed can leave the partition board due to the pressure difference between the motor cavity 6 and the oil storage cavity 7.
Preferably, the upper end of the baffle plate 2 is attached to the upper end of the elastic reed 3, the baffle plate is fixed on the baffle plate by the screw 4 and the locating pin 5, and the lower end of the baffle plate is separated from the lower end of the elastic reed 3 by a certain distance, so that the baffle plate has a limiting effect on the elastic reed 3, and the phenomenon that the damping of the elastic reed 3 is not pushed away too much due to too large instantaneous pressure difference is prevented.
Preferably, through holes are formed in the partition plate of the compressor housing 1, so that the pressure in the motor cavity 6 and the pressure in the oil storage cavity 7 can be balanced as soon as possible, and the refrigerant flowing from the oil storage cavity 7 to the motor cavity 6 can be reduced.
The application process of the invention comprises the following steps:
referring to fig. 1, a motor chamber 6 and an oil storage chamber 7 are partitioned by a compressor housing 1, a partition plate is cast on the compressor housing 1, and an elastic reed 3 and a baffle plate 2 are fixedly installed on the partition plate of the compressor housing 1 through screws 4 and positioning pins 5. Before the compressor starts, the pressures in the motor cavity 6 and the oil storage cavity 7 are basically equal, when the compressor starts, the pressure in the oil storage cavity 7 is quickly reduced along with the suction of the compressor, the pressure in the oil storage cavity 7 is higher than that in the motor cavity 6, the refrigerant in the oil storage cavity 7 flows to the motor cavity 6 through the holes in the partition plate of the shell 1, the elastic reed 3 is pushed away from the partition plate, and meanwhile, the elastic reed 3 can provide certain damping because of smaller communication area, so that the flow rate of the refrigerant flowing to the motor cavity 6 from the oil storage cavity 7 is smaller, the pressure in the oil storage cavity is slowly reduced, the refrigerant dissolved in the refrigerating oil cannot quickly volatilize, a large number of bubbles are not generated in the refrigerant, and the oil vapor cannot greatly follow the refrigerant to leave the compressor.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (3)
1. An oil gas control device of a semi-closed piston compressor, which is characterized in that: the compressor comprises an elastic reed (3) and a baffle plate (2), wherein a motor cavity (6) and an oil storage cavity (7) are separated by a compressor shell (1), a baffle plate is cast on the motor cavity (6) side of the compressor shell (1), the elastic reed (3) and the baffle plate (2) are fixedly arranged on the baffle plate of the compressor shell (1) through screws (4) and positioning pins (5), the elastic reed (3) is arranged between the baffle plate (2) and the baffle plate, through holes which are communicated with the motor cavity (6) and the oil storage cavity (7) are formed in the baffle plate of the compressor shell (1), when the compressor operates, the pressure of the motor cavity (6) is reduced, a refrigerant in the oil storage cavity (7) flows to the motor cavity (6) through the through holes in the baffle plate of the shell (1), the elastic reed (3) is pushed away from the baffle plate, and the elastic reed (3) can provide certain damping;
the upper end of the baffle plate (2) is attached to the upper end of the elastic reed (3), the baffle plate is fixed on the baffle plate by the screw (4) and the locating pin (5), the lower end of the baffle plate is separated from the lower end of the elastic reed (3) by a certain distance, the baffle plate has a limiting effect on the elastic reed (3), and excessive pushing of the elastic reed (3) due to insufficient damping caused by excessive instantaneous pressure difference is prevented.
2. The oil and gas control device of a semi-closed piston compressor according to claim 1, wherein: the elastic reed (3) is attached to the partition board, the upper end of the elastic reed is fixed on the partition board by the screw (4), and the lower end of the elastic reed is a movable end, so that the elastic reed can leave the partition board due to the pressure difference between the motor cavity (6) and the oil storage cavity (7).
3. The oil and gas control device of a semi-closed piston compressor according to claim 1, wherein: the through holes are formed in the partition plate of the compressor shell (1), so that the pressure in the motor cavity (6) and the pressure in the oil storage cavity (7) can be balanced as soon as possible, and meanwhile, the refrigerant flowing from the oil storage cavity (7) to the motor cavity (6) can be reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087810.5A CN107725329B (en) | 2017-11-08 | 2017-11-08 | Oil gas control device of semi-closed piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087810.5A CN107725329B (en) | 2017-11-08 | 2017-11-08 | Oil gas control device of semi-closed piston compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107725329A CN107725329A (en) | 2018-02-23 |
| CN107725329B true CN107725329B (en) | 2023-12-15 |
Family
ID=61222965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711087810.5A Active CN107725329B (en) | 2017-11-08 | 2017-11-08 | Oil gas control device of semi-closed piston compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725329B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS608577A (en) * | 1983-06-29 | 1985-01-17 | Hitachi Ltd | Construction of delivery valve for compressor |
| CN1054116A (en) * | 1990-01-09 | 1991-08-28 | 三电有限公司 | The valve exhausting mechanism of refrigeration compressor |
| US5632609A (en) * | 1994-08-15 | 1997-05-27 | Sanden Corporation | Valved discharge mechanism of a refrigerant compressor |
| CN1384286A (en) * | 2001-04-28 | 2002-12-11 | 三星光州电子株式会社 | Valve assembly of reciprocating compressor |
| CN1806122A (en) * | 2004-09-07 | 2006-07-19 | 松下电器产业株式会社 | Hermetic compressor |
| CN1940292A (en) * | 2005-09-27 | 2007-04-04 | 松下电器产业株式会社 | Hermetic compressor |
| CN101769246A (en) * | 2010-01-25 | 2010-07-07 | 大连三洋压缩机有限公司 | Semi-hermetic piston-type compressor |
| CN101922573A (en) * | 2010-08-02 | 2010-12-22 | 高东阀门有限公司 | Swing check valve |
| CN207437299U (en) * | 2017-11-08 | 2018-06-01 | 福建雪人股份有限公司 | A kind of oil gas control device of Semi-closed piston compressor |
-
2017
- 2017-11-08 CN CN201711087810.5A patent/CN107725329B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS608577A (en) * | 1983-06-29 | 1985-01-17 | Hitachi Ltd | Construction of delivery valve for compressor |
| CN1054116A (en) * | 1990-01-09 | 1991-08-28 | 三电有限公司 | The valve exhausting mechanism of refrigeration compressor |
| US5632609A (en) * | 1994-08-15 | 1997-05-27 | Sanden Corporation | Valved discharge mechanism of a refrigerant compressor |
| CN1384286A (en) * | 2001-04-28 | 2002-12-11 | 三星光州电子株式会社 | Valve assembly of reciprocating compressor |
| CN1806122A (en) * | 2004-09-07 | 2006-07-19 | 松下电器产业株式会社 | Hermetic compressor |
| CN1940292A (en) * | 2005-09-27 | 2007-04-04 | 松下电器产业株式会社 | Hermetic compressor |
| CN101769246A (en) * | 2010-01-25 | 2010-07-07 | 大连三洋压缩机有限公司 | Semi-hermetic piston-type compressor |
| CN101922573A (en) * | 2010-08-02 | 2010-12-22 | 高东阀门有限公司 | Swing check valve |
| CN207437299U (en) * | 2017-11-08 | 2018-06-01 | 福建雪人股份有限公司 | A kind of oil gas control device of Semi-closed piston compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107725329A (en) | 2018-02-23 |
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