CN114109834B - Compressor oil guide assembly and compressor - Google Patents
Compressor oil guide assembly and compressor Download PDFInfo
- Publication number
- CN114109834B CN114109834B CN202111397618.2A CN202111397618A CN114109834B CN 114109834 B CN114109834 B CN 114109834B CN 202111397618 A CN202111397618 A CN 202111397618A CN 114109834 B CN114109834 B CN 114109834B
- Authority
- CN
- China
- Prior art keywords
- oil
- compressor
- storage cavity
- oil storage
- guide assembly
- 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
- 239000010725 compressor oil Substances 0.000 title claims abstract description 20
- 239000003921 oil Substances 0.000 claims abstract description 155
- 238000000926 separation method Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/021—Control systems for the circulation of the lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/028—Means for improving or restricting lubricant flow
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The application provides a compressor oil guide assembly and a compressor. The compressor oil guide assembly comprises a bearing seat, a connecting chamber and a bearing seat, wherein the connecting chamber is used for accommodating a compressor crankshaft, and an oil supply hole is formed in the side wall of the connecting chamber; the oil storage cavity is arranged on the bearing seat; and an oil outlet is formed in the side wall of the oil storage cavity and is communicated with the oil supply hole. By adopting an independent oil storage cavity structure, the refrigerating oil is provided for the connecting chamber of the crankshaft accommodated in the bearing seat of the compressor, so that the refrigerating oil can be brought to the auxiliary bearing part of the compressor and the auxiliary bearing area for lubrication, cooling and heat dissipation, the service life of the auxiliary bearing is prolonged, and the reliability of the compressor is enhanced.
Description
Technical Field
The application belongs to the technical field of compressors, and particularly relates to a compressor oil guide assembly and a compressor.
Background
The new energy automobile air conditioner generally uses a horizontal scroll compressor, and the scroll compressor has the advantages of high volumetric efficiency, high energy efficiency ratio, light weight, small vibration, high rotating speed and the like, so that the scroll compressor is favored. When the horizontal scroll compressor operates, flowing high-temperature and high-pressure refrigerant gas drives lubricating oil in the compressor to form an oil-gas mixture in the flowing process, the oil-gas mixture is directly moved to a compression cavity under the driving of the gas, the auxiliary bearing part at the rear part of the compressor is difficult to be lubricated by frozen oil, after the horizontal scroll compressor operates for a long time, the auxiliary bearing part is dry and easy to wear because the lubricating oil is not fully lubricated, the temperature of the auxiliary bearing part is kept high for a long time, and the service life of the auxiliary bearing is greatly reduced.
Disclosure of Invention
Therefore, the application provides the compressor oil guide assembly and the compressor, which can solve the problems that the auxiliary bearing part cannot be sufficiently lubricated and is dry and easy to wear in the prior art.
In order to solve the above problems, the present application provides a compressor oil guide assembly, comprising:
the bearing seat comprises a connecting chamber for accommodating a crankshaft of the compressor, and an oil supply hole is formed in the side wall of the connecting chamber;
the oil storage cavity is arranged on the bearing seat; and an oil outlet is formed in the side wall of the oil storage cavity and is communicated with the oil supply hole.
Optionally, an oil return hole is further formed in the side wall of the oil storage cavity and can be connected with an oil return pipe to supply oil to the oil storage cavity.
Optionally, an air inlet hole is further formed in the side wall of the oil storage cavity, and can be connected with an air inlet pipe of the compressor to guide air to the oil storage cavity.
Optionally, the air inlet hole setting position is higher than the oil outlet hole setting position.
Optionally, the connection chamber is arranged above the oil storage cavity, and the connection chamber is communicated with the oil storage cavity through an oil guide pipe.
Optionally, the bearing seat is provided with a groove, and the oil storage cavity is formed by sealing and buckling the groove and the cover plate.
Optionally, a sealing gasket is arranged between the cover plate and the groove.
According to another aspect of the present application, there is provided a compressor comprising the compressor oil guide assembly as described above.
Optionally, the compressor comprises a horizontal scroll compressor, and the bearing seat supports an auxiliary bearing of the horizontal scroll compressor.
Optionally, the horizontal scroll compressor comprises an oil-gas separation part and an oil return pipe, the oil-gas separation part and the auxiliary bearing are respectively arranged at two ends of the inner axial direction of the horizontal scroll compressor, the oil return pipe is arranged outside the shell of the horizontal scroll compressor, one end of the oil return pipe is communicated with the oil-gas separation part, the other end of the oil return pipe is communicated with an oil return hole on the side wall of the oil storage cavity, and oil separated by the oil-gas separation part is led to the oil storage cavity.
Optionally, a throttling device is arranged in the oil return hole, so that oil led to the oil storage cavity can be throttled.
The application provides a compressor oil guide assembly, which comprises: the bearing seat comprises a connecting chamber for accommodating a crankshaft of the compressor, and an oil supply hole is formed in the side wall of the connecting chamber; the oil storage cavity is arranged on the bearing seat; and an oil outlet is formed in the side wall of the oil storage cavity and is communicated with the oil supply hole.
By adopting an independent oil storage cavity structure, the refrigerating oil is provided for the connecting chamber of the crankshaft accommodated in the bearing seat of the compressor, so that the refrigerating oil can be brought to the auxiliary bearing part of the compressor and the auxiliary bearing area for lubrication, cooling and heat dissipation, the service life of the auxiliary bearing is prolonged, and the reliability of the compressor is enhanced.
Drawings
FIG. 1 is a schematic view of a compressor oil guide assembly according to an embodiment of the present application;
FIG. 2 is an assembled block diagram of a compressor oil guide assembly according to an embodiment of the present application;
FIG. 3 is an axial cross-sectional view of a compressor according to an embodiment of the present application;
FIG. 4 is a top cross-sectional view of FIG. 3 in accordance with an embodiment of the present application;
fig. 5 is an external schematic view of a compressor according to an embodiment of the present application.
The reference numerals are expressed as:
1. a rear cover; 2. an oil storage chamber; 3. an air inlet hole; 4. an oil return hole; 5. an oil outlet hole; 51. an oil supply hole; 6. an oil return pipe; 7. an air suction pipe; 8. an oil guide pipe; 9. a cover plate; 10. a throttle device; 11. a sub-bearing; 12. a sealing gasket; 13. a connection chamber; 15. an oil-gas separator.
Detailed Description
Referring now to fig. 1 to 5 in combination, a compressor oil guide assembly according to an embodiment of the present application includes:
the bearing seat comprises a connecting chamber 13 for accommodating a compressor crankshaft, and an oil supply hole 51 is formed in the side wall of the connecting chamber 13;
the oil storage cavity 2 is arranged on the bearing seat; an oil outlet hole 5 is formed in the side wall of the oil storage cavity 2, and the oil outlet hole 5 is communicated with the oil supply hole 51.
The compressor crankshaft is arranged on the bearing seat through the bearing, the independent oil storage cavity 2 is arranged on the bearing seat, oil is supplied to the connecting chamber 13 for accommodating the bearing and the crankshaft, the auxiliary bearing 11 part of the compressor and the auxiliary bearing 11 area can be lubricated and cooled, the service life of the auxiliary bearing 11 is prolonged, and the reliability of the compressor is enhanced.
In some embodiments, the side wall of the oil storage cavity 2 is also provided with an oil return hole 4, which can be connected with an oil return pipe 6 to supply oil into the oil storage cavity 2.
In order to avoid insufficient oil quantity in the oil storage cavity 2, the refrigerating oil separated from the exhaust end of the compressor can be sent back to the oil storage cavity 2 through the oil return hole 4, so that the long-term lubrication performance of the area of the auxiliary bearing 11 is ensured.
In some embodiments, the side wall of the oil storage cavity 2 is also provided with an air inlet hole 3, which can be connected with an air inlet pipe of the compressor to guide air to the oil storage cavity 2.
The air inlet pipe of the compressor is directly connected to the air inlet hole 3 of the oil storage cavity 2, so that the operation air suction of the compressor is realized, and meanwhile, the refrigerating oil is brought to the area of the auxiliary bearing 11, so that the effects of lubrication, cooling and heat dissipation are achieved.
In some embodiments, the air inlet holes 3 are disposed at a position higher than the oil outlet holes 5.
The refrigerating oil of the general horizontal compressor is stored at the bottom, so that the refrigerating oil is difficult to be carried up when the compressor runs, and the oil-gas mixture inside the compressor is unevenly distributed, so that the performance of the compressor is affected; according to the application, the position of the air inlet hole 3 is lower than that of the oil outlet hole 5, so that the air inlet and the frozen oil are sent to the area of the auxiliary bearing 11 through the oil outlet hole 5, and most or all of the frozen oil in the oil storage cavity 2 can participate in the lubrication or cooling effect.
In some embodiments, a connection chamber 13 is provided above the oil storage chamber 2, the connection chamber 13 being in communication with the oil storage chamber 2 via an oil conduit 8.
The specific position of the oil storage cavity 2 is located below the connecting chamber 13, the structure is ingenious, no extra space is occupied, the connecting chamber 13 and the oil storage cavity 2 can be directly communicated by adopting the oil guide pipe 8, for example, one end of the oil guide pipe 8 is communicated with the oil outlet 5, and the other end is communicated with the oil supply hole 51.
In some embodiments, the bearing seat is provided with a groove, and the oil storage cavity 2 is formed by sealing and buckling the groove and the cover plate 9. Preferably, a sealing gasket 12 is provided between the cover plate 9 and the recess.
The oil storage cavity 2 is formed by sealing an upper groove of the bearing seat and the cover plate 9, or a sealing gasket 12 is added between the upper groove and the cover plate, so that the assembly and the processing are convenient.
According to another aspect of the present application, there is provided a compressor comprising the compressor oil guide assembly as described above.
In some embodiments, the compressor comprises a horizontal scroll compressor, and the bearing housing supports a secondary bearing 11 of the horizontal scroll compressor.
The bearing seat can be specifically a rear cover 1 of the horizontal scroll compressor and can serve as an auxiliary bearing 11 for supporting the horizontal scroll compressor.
In some embodiments, the horizontal scroll compressor comprises an oil-gas separation part 15 and an oil return pipe 6, the oil-gas separation part 15 and the auxiliary bearing 11 are respectively arranged at two axial ends in the horizontal scroll compressor, the oil return pipe 6 is arranged outside the shell of the horizontal scroll compressor, one end of the oil return pipe is communicated with the oil-gas separation part 15, the other end of the oil return pipe is communicated with the oil return hole 4 on the side wall of the oil storage cavity 2, and oil separated by the oil-gas separation part 15 is led to the oil storage cavity 2.
An independent oil storage cavity 2 is arranged at the lower part of the rear cover 1, the air suction pipe 7 penetrates through the rear cover 1 to be connected with the air inlet hole 3, the oil guide pipe 8 is connected with the oil outlet hole 5 and the oil supply hole 51, and the oil return pipe 6 of the compressor penetrates through the rear cover 1 to be connected with the oil return hole 4.
In some embodiments, a throttle device 10 is provided in the oil return hole 4, which can throttle the oil led to the oil reservoir 2.
The throttling device 10 throttles and filters returned frozen oil, the frozen oil circulates reciprocally through the path, continuous lubrication and cooling of the auxiliary bearing 11 are achieved, the service life of the auxiliary bearing 11 is prolonged, deformation of the auxiliary bearing 11 caused by high temperature generated during continuous operation is avoided, reliability of the compressor is improved, and performance of the compressor is improved.
Before the compressor runs, the refrigerating oil is added into the oil storage cavity 2, after the compressor starts running, the air suction pipe 7 starts air suction, air enters the oil storage cavity 2 from the air suction pipe 7, under the action of pressure, the refrigerating oil is pressed into the oil guide pipe 8 from the oil storage cavity 2, the refrigerating oil enters the auxiliary bearing 11 connecting chamber 13 through the oil guide pipe 8, the air carries the refrigerating oil and the refrigerant to lubricate and cool the auxiliary bearing 11 through the auxiliary bearing 11, and after the air-air mixture enters the compressor cavity from the auxiliary bearing 11, the air-air mixture uniformly spreads into the cavity along with the action of the centrifugal force of the rotation of the rotor, so that the phenomenon that the refrigerating oil is accumulated at the bottom of the compressor and cannot be fully utilized is avoided; the oil-gas mixture enters the dynamic and static vortex disk to be compressed, then the oil-gas separation is carried out through the oil-gas separation piece 15, the frozen oil falls to the bottom of the exhaust cavity after being separated, returns to the rear cover 1 through the oil return pipe 6 under the action of pressure to carry out reciprocating circulation, thus realizing continuous lubrication and cooling of the auxiliary bearing 11, prolonging the service life of the auxiliary bearing 11, avoiding the deformation of the auxiliary bearing 11 caused by the high temperature generated during continuous operation, enhancing the reliability of the compressor and improving the performance of the compressor.
It is easy to understand by those skilled in the art that the above embodiments can be freely combined and overlapped without conflict.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application. The foregoing is merely a preferred embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the application.
Claims (10)
1. A compressor oil guide assembly, comprising:
the bearing seat comprises a connecting chamber (13) for accommodating a compressor crankshaft, and an oil supply hole (51) is formed in the side wall of the connecting chamber (13);
the oil storage cavity (2) is arranged on the bearing seat; an oil outlet (5) is formed in the side wall of the oil storage cavity (2), and the oil outlet (5) is communicated with the oil supply hole (51); the oil storage cavity (2) supplies oil to the connecting chamber (13);
an air inlet hole (3) is further formed in the side wall of the oil storage cavity (2), and can be connected with an air inlet pipe of the compressor to guide air to the oil storage cavity (2).
2. The compressor oil guide assembly according to claim 1, wherein an oil return hole (4) is further formed in the side wall of the oil storage cavity (2), and the oil return hole can be connected with an oil return pipe (6) to supply oil into the oil storage cavity (2).
3. The compressor oil guide assembly according to claim 1, wherein the air inlet hole (3) is provided at a position higher than the oil outlet hole (5).
4. -compressor oil guide assembly according to claim 1, characterized in that the connection chamber (13) is arranged above the oil storage chamber (2), the connection chamber (13) being in communication with the oil storage chamber (2) via an oil guide pipe (8).
5. The compressor oil guide assembly according to claim 1 or 4, wherein the bearing seat is provided with a groove, and the oil storage cavity (2) is formed by sealing and buckling the groove and the cover plate (9).
6. Compressor oil guide assembly according to claim 5, characterized in that a sealing gasket (12) is arranged between the cover plate (9) and the groove.
7. A compressor comprising a compressor oil guide assembly according to any one of claims 1 to 6.
8. A compressor according to claim 7, characterized in that it comprises a horizontal scroll compressor, the bearing housing supporting an auxiliary bearing (11) of the horizontal scroll compressor.
9. The compressor according to claim 8, wherein the horizontal scroll compressor comprises an oil-gas separation part (15) and an oil return pipe (6), the oil-gas separation part (15) and the auxiliary bearing (11) are respectively arranged at two ends of the inner axial direction of the horizontal scroll compressor, the oil return pipe (6) is arranged outside the shell of the horizontal scroll compressor, one end of the oil return pipe is communicated with the oil-gas separation part (15), the other end of the oil return pipe is communicated with an oil return hole (4) on the side wall of the oil storage cavity (2), and oil separated by the oil-gas separation part (15) is led to the oil storage cavity (2).
10. Compressor according to claim 9, characterized in that the oil return hole (4) is provided with a throttling device (10) which throttles the oil leading to the oil reservoir (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111397618.2A CN114109834B (en) | 2021-11-23 | 2021-11-23 | Compressor oil guide assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111397618.2A CN114109834B (en) | 2021-11-23 | 2021-11-23 | Compressor oil guide assembly and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114109834A CN114109834A (en) | 2022-03-01 |
| CN114109834B true CN114109834B (en) | 2023-11-14 |
Family
ID=80440537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111397618.2A Active CN114109834B (en) | 2021-11-23 | 2021-11-23 | Compressor oil guide assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114109834B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4091978C2 (en) * | 1989-10-31 | 1996-02-15 | Matsushita Electric Ind Co Ltd | Scroll compressor |
| CN206571689U (en) * | 2017-02-28 | 2017-10-20 | 湖南汤普悦斯压缩机科技有限公司 | A kind of oil channel structures of oil jet lubrication screw compressor |
| CN210829721U (en) * | 2019-10-24 | 2020-06-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil circuit structure and scroll compressor |
| CN212672062U (en) * | 2020-03-20 | 2021-03-09 | 福州市虚谷技术有限公司 | Oil circuit structure for lubricating internal bearing of screw compressor |
-
2021
- 2021-11-23 CN CN202111397618.2A patent/CN114109834B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4091978C2 (en) * | 1989-10-31 | 1996-02-15 | Matsushita Electric Ind Co Ltd | Scroll compressor |
| CN206571689U (en) * | 2017-02-28 | 2017-10-20 | 湖南汤普悦斯压缩机科技有限公司 | A kind of oil channel structures of oil jet lubrication screw compressor |
| CN210829721U (en) * | 2019-10-24 | 2020-06-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil circuit structure and scroll compressor |
| CN212672062U (en) * | 2020-03-20 | 2021-03-09 | 福州市虚谷技术有限公司 | Oil circuit structure for lubricating internal bearing of screw compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114109834A (en) | 2022-03-01 |
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