CN111059055A - Compressor exhaust structure, compressor and air conditioner - Google Patents
Compressor exhaust structure, compressor and air conditioner Download PDFInfo
- Publication number
- CN111059055A CN111059055A CN201911167387.9A CN201911167387A CN111059055A CN 111059055 A CN111059055 A CN 111059055A CN 201911167387 A CN201911167387 A CN 201911167387A CN 111059055 A CN111059055 A CN 111059055A
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- Prior art keywords
- upper flange
- oil
- compressor
- gas
- shaft hole
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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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
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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
- 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
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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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/065—Noise dampening volumes, e.g. muffler chambers
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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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/068—Silencing the silencing means being arranged inside the pump housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention provides a compressor exhaust structure, a compressor and an air conditioner, which comprise an upper flange, a crankshaft and an upper flange shaft hole; the exhaust port is arranged on the upper flange and communicated with a compression cavity of the compressor cylinder, and high-pressure gas in the compression cavity is exhausted into the exhaust port; the oil-gas groove is arranged on the inner wall of the upper flange shaft hole and/or the outer wall of the crankshaft; the exhaust port is communicated with the oil-gas groove, high-pressure gas enters the upper flange from the exhaust port and then flows through the oil-gas groove to be discharged, and oil mist in the high-pressure gas lubricates the shaft hole of the upper flange. The compressor exhaust structure solves the problem of insufficient lubrication of the upper flange bearing section, the upper flange is lubricated by means of lubricating oil dissolved in the compressor exhaust, the supply source of the lubricating oil is continuous, and the lubricating effect of the upper flange is better than that of the prior art particularly under the low-frequency working condition. Simultaneously, the amortization chamber is totally enclosed by the lid, can play more effectual noise cancelling effect.
Description
Technical Field
The invention belongs to the technical field of compressors, and particularly relates to a compressor exhaust structure, a compressor and an air conditioner.
Background
The existing rotary compressor is completely lubricated between an upper flange and a crankshaft by pumping oil upwards from the crankshaft, and then an oil guide groove of the upper flange guides the oil upwards due to the rotation of the crankshaft. However, the method has the disadvantages that the refrigerant oil can not be pumped to the upper flange when the compressor operates at a low frequency, so that the upper flange can not be lubricated, or the lubricating oil pumped to the upper flange is too little, so that the upper flange is not sufficiently lubricated, and the upper flange is abraded.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems that the upper flange is abraded due to insufficient oil pumping and insufficient lubrication, so that the compressor exhaust structure, the compressor and the air conditioner are provided.
In order to solve the above problems, the present invention provides a compressor discharge structure, including:
the upper flange, the crankshaft and the upper flange shaft hole;
the exhaust port is arranged on the upper flange and communicated with a compression cavity of the compressor cylinder, and high-pressure gas in the compression cavity is exhausted into the exhaust port;
the oil gas groove is arranged on the inner wall of the upper flange shaft hole and/or the outer wall of the crankshaft;
the exhaust port is communicated with the oil-gas groove, high-pressure gas enters the upper flange from the exhaust port and then flows through the oil-gas groove to be discharged, and oil mist in the high-pressure gas lubricates the shaft hole of the upper flange.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Preferably, the exhaust structure includes bleed air channel, and bleed air channel sets up in last flange, bleed air channel intercommunication gas vent and oil gas groove, and high-pressure gas passes through bleed air channel and gets into oil gas groove.
Preferably, the oil gas groove spirally extends along the axial direction of the upper flange shaft hole.
Preferably, the oil gas groove has at least two, and at least two oil gas grooves extend along the axial heliciform of upper flange shaft hole.
Preferably, the exhaust structure further comprises a gas distribution groove, the bleed air channel is communicated to the gas distribution groove, the gas distribution groove is communicated with the at least two oil gas grooves respectively, and the gas distribution groove can evenly distribute the high-pressure gas provided by the bleed air channel to the at least two oil gas grooves.
Preferably, the gas distribution groove is an annular groove formed in the inner wall of the shaft hole of the upper flange and/or the outer wall of the crankshaft.
Preferably, the flow area of the oil and gas tank is larger than or equal to the flow area of the exhaust port.
Preferably, the exhaust port is provided with a check device.
Preferably, the upper flange is also provided with a silencing cavity, and the silencing cavity is arranged between the exhaust port and the oil gas groove.
Preferably, the sound-deadening chamber comprises a chamber body arranged on the upper flange and a cover body covering the opening of the chamber body.
Preferably, the cover body is provided with an auxiliary exhaust port.
A compressor adopts any one of the above compressor exhaust structures.
An air conditioner adopts any one of the above compressor exhaust structures.
The compressor exhaust structure, the compressor and the air conditioner provided by the invention at least have the following beneficial effects:
the compressor exhaust structure solves the problem of insufficient lubrication of the upper flange bearing section, the upper flange is lubricated by means of lubricating oil dissolved in the compressor exhaust, the supply source of the lubricating oil is continuous, and the lubricating effect of the upper flange is better than that of the prior art particularly under the low-frequency working condition. Simultaneously, the amortization chamber is totally enclosed by the lid, can play more effectual noise cancelling effect.
Drawings
FIG. 1 is a schematic structural view of a compressor discharge structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an upper flange according to an embodiment of the present invention.
The reference numerals are represented as:
1. an upper flange; 2. a crankshaft; 3. an upper flange shaft hole; 4. an exhaust port; 5. a compressor cylinder; 6. a compression chamber; 7. an oil-gas tank; 8. a bleed air passage; 9. a gas distribution tank; 10. a non-return device; 11. a sound-deadening chamber; 12. a cavity; 13. a cover body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2, an embodiment of the present invention provides a compressor discharge structure, including: an upper flange 1, a crankshaft 2 and an upper flange shaft hole 3; the exhaust port 4 is arranged on the upper flange 1, the exhaust port 4 is communicated with a compression cavity 6 of a compressor cylinder 5, and high-pressure gas in the compression cavity 6 is exhausted into the exhaust port 4; the oil gas groove 7 is arranged on the inner wall of the upper flange shaft hole 3 and/or the outer wall of the crankshaft; the exhaust port 4 is communicated with the oil-gas groove 7, high-pressure gas enters the upper flange 1 from the exhaust port 4 and then flows through the oil-gas groove 7 to be discharged, and oil mist in the high-pressure gas lubricates the shaft hole 3 of the upper flange.
The compressor exhaust structure provided by the embodiment of the invention improves the structure of the upper flange 1 on the basis of the original compressor structure, so that high-pressure gas which is directly discharged to the inner cavity of the compressor through the upper flange 1 flows through the matched bearing sections of the upper flange 1 and the crankshaft 2, and the bearing sections are lubricated by means of refrigeration oil or lubricating oil in the gas, so that the upper flange 1 is sufficiently lubricated and prevented from being worn.
Particularly, the height of the refrigeration oil pump of the compressor is limited by the rotating speed of the compressor under the low-frequency state, the pump oil is not enough to lubricate the inner wall of the upper flange shaft hole 3, the exhaust structure of the invention can completely make up the deficiency, and in the compressor running at low speed, the refrigeration oil or the lubricating oil mixed in the gas can fully ensure the oil film forming of the inner wall of the upper flange shaft hole 3 and prevent abrasion.
Meanwhile, the compressor crankshaft 2 can pump oil upwards like a traditional crankshaft, and the frozen oil is pumped into the inner wall of the upper flange shaft hole 3 to lubricate the upper flange bearing.
In this embodiment, since the refrigerant and the refrigerant oil are mutually soluble, and the discharged gas contains a high content of the refrigerant oil, the refrigerant oil in the refrigerant gas entering the inner wall of the upper flange shaft hole 3 is completely sufficient to lubricate the inner wall of the upper flange shaft hole 3.
Preferably, the exhaust structure includes a bleed air channel 8, the bleed air channel 8 is disposed in the upper flange 1, the bleed air channel 8 communicates the exhaust port 4 with the oil gas groove 7, and the high-pressure gas enters the oil gas groove 7 through the bleed air channel 8.
Preferably, the oil gas groove 7 extends spirally along the axial direction of the upper flange shaft hole 3, the high-pressure gas flow spirally rises on the matching surface of the bearing, and the freezing liquid shaft hole in the gas is separately attached to the inner wall of the upper flange shaft hole 3 or the outer wall of the crankshaft 2 which rotates relatively in the rising process, so that lubricating oil is continuously supplied to the matching bearing sections of the oil gas groove and the upper flange shaft hole.
Preferably, the oil gas groove 7 has at least two, and at least two oil gas grooves 7 spirally extend along the axial direction of the upper flange shaft hole 3. In this embodiment, preferably, three oil-gas grooves 7 are adopted, the three oil-gas grooves 7 are uniformly distributed and processed on the inner wall of the upper flange shaft hole 3, and the sum of the flow areas of the three oil-gas grooves 7 is larger than or equal to the flow area of the exhaust port 4, so that smooth exhaust of the compressor is ensured.
Preferably, the exhaust structure further comprises a gas distribution groove 9, the bleed air channel 8 is communicated to the gas distribution groove 9, the gas distribution groove 9 is respectively communicated with the at least two oil-gas grooves 7, and the gas distribution groove 9 can uniformly distribute the high-pressure gas provided by the bleed air channel 8 to the at least two oil-gas grooves 7.
Preferably, the gas distribution groove 9 is an annular groove formed on the inner wall of the upper flange shaft hole 3 and/or the outer wall of the crankshaft.
Preferably, the exhaust port 4 is provided with a check device 10.
Preferably, the upper flange 1 is further provided with a silencing cavity 11, and the silencing cavity 11 is arranged between the exhaust port 4 and the oil gas tank 7. Preferably, the sound-deadening chamber 11 includes a chamber body 12 opened in the upper flange 1, and a lid body 13 covering an opening of the chamber body 12. The compressor exhausts and does not discharge through the venthole above the traditional muffler, and discharges to the flange hole on the bent axle, so the muffler seals completely, and more effectual noise elimination effect plays more effective effect to the making an uproar of falling of compressor.
In the present embodiment, the structure of the muffling cavity 11 is preferably to eliminate the air outlet on the cover 13, but when the compressor is operated in a larger displacement, the cover 13 may also be provided with the auxiliary air outlet 4, and two air outlet channels are simultaneously used to ensure a sufficient air displacement.
The compressor exhaust structure solves the problem of insufficient lubrication of the upper flange bearing section, the upper flange is lubricated by means of lubricating oil dissolved in the compressor exhaust, the supply source of the lubricating oil is continuous, and the lubricating effect of the upper flange is better than that of the prior art particularly under the low-frequency working condition. Simultaneously, the amortization chamber is totally enclosed by the lid, can play more effectual noise cancelling effect.
A compressor adopts any one of the above compressor exhaust structures.
An air conditioner adopts any one of the above compressor exhaust structures.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (13)
1. A compressor discharge structure, comprising:
an upper flange (1), a crankshaft (2) and an upper flange shaft hole (3);
the exhaust port (4) is arranged on the upper flange (1), the exhaust port (4) is communicated with a compression cavity (6) of a compressor cylinder (5), and high-pressure gas in the compression cavity (6) is discharged into the exhaust port (4);
the oil-gas groove (7), the oil-gas groove (7) is arranged on the inner wall of the upper flange shaft hole (3) and/or the outer wall of the crankshaft (2);
the exhaust port (4) is communicated with the oil-gas groove (7), high-pressure gas enters the upper flange (1) from the exhaust port (4) and flows through the oil-gas groove (7) to be discharged, and oil mist in the high-pressure gas lubricates the upper flange shaft hole (3).
2. The compressor discharge structure according to claim 1, characterized in that the discharge structure comprises a bleed air channel (8), the bleed air channel (8) being arranged in the upper flange (1), the bleed air channel (8) communicating the discharge opening (4) with the oil sump (7), high-pressure gas entering the oil sump (7) through the bleed air channel (8).
3. A compressor discharge structure according to claim 2, wherein said oil gas groove (7) extends spirally in an axial direction of said upper flange shaft hole (3).
4. A compressor discharge structure according to claim 3, wherein said oil gas grooves (7) are at least two, and at least two oil gas grooves (7) are formed to extend spirally in an axial direction of said upper flange shaft hole (3).
5. The compressor discharge structure according to claim 4, characterized in that the discharge structure further comprises a distribution groove (9), the bleed air channel (8) is communicated to the distribution groove (9), the distribution groove (9) is communicated with the at least two oil-gas grooves (7), respectively, and the distribution groove (9) can uniformly distribute the high-pressure gas provided by the bleed air channel (8) into the at least two oil-gas grooves (7).
6. The compressor discharge structure according to claim 5, wherein the gas distribution groove (9) is an annular groove formed in an inner wall of the upper flange shaft hole (3) and/or an outer wall of the crankshaft (2).
7. A compressor discharge arrangement according to any one of claims 1 to 5, characterised in that the flow area of the oil sump (7) is equal to or larger than the flow area of the discharge opening (4).
8. Compressor discharge structure according to claim 1, characterized in that said discharge opening (4) is provided with a non-return device (10).
9. Compressor discharge structure, according to claim 1, characterized in that said upper flange (1) is also provided with a silencing chamber (11), said silencing chamber (11) being arranged between said discharge opening (4) and said oil-gas tank (7).
10. Compressor discharge structure according to claim 9, characterized in that said muffling chamber (11) comprises a cavity (12) opening onto said upper flange (1) and a cover (13) covering the opening of said cavity (12).
11. Compressor discharge arrangement according to claim 10, characterized in that the cover (13) is provided with an auxiliary discharge opening (4).
12. A compressor characterized by employing the compressor discharge structure as recited in any one of claims 1 to 11.
13. An air conditioner characterized by employing the compressor discharge structure as set forth in any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911167387.9A CN111059055B (en) | 2019-11-25 | 2019-11-25 | Compressor exhaust structure, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911167387.9A CN111059055B (en) | 2019-11-25 | 2019-11-25 | Compressor exhaust structure, compressor and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111059055A true CN111059055A (en) | 2020-04-24 |
| CN111059055B CN111059055B (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911167387.9A Active CN111059055B (en) | 2019-11-25 | 2019-11-25 | Compressor exhaust structure, compressor and air conditioner |
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| Country | Link |
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| CN (1) | CN111059055B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01203693A (en) * | 1988-02-05 | 1989-08-16 | Matsushita Electric Ind Co Ltd | Horizontal rotary type compressor |
| JPH03145590A (en) * | 1989-10-31 | 1991-06-20 | Matsushita Electric Ind Co Ltd | Scroll compressor |
| US5098266A (en) * | 1989-09-08 | 1992-03-24 | Mitsubishi Denki Kabushiki Kaisha | Lubrication of a horizontal rotary compressor |
| JPH04252891A (en) * | 1991-01-24 | 1992-09-08 | Daikin Ind Ltd | Rotary compressor |
| JPH05312176A (en) * | 1992-05-12 | 1993-11-22 | Taisei Tekkosho:Kk | Oil pump |
| JP2010185342A (en) * | 2009-02-12 | 2010-08-26 | Panasonic Corp | Rotary motor-driven compressor |
| WO2014064919A1 (en) * | 2012-10-23 | 2014-05-01 | パナソニック株式会社 | Rotary compressor |
| CN105114322A (en) * | 2015-08-18 | 2015-12-02 | 珠海凌达压缩机有限公司 | Upper flange and rotary compressor |
| CN105889069A (en) * | 2016-05-30 | 2016-08-24 | 广西大学 | Rotating compressor low in exhaust oil content |
| CN107387414A (en) * | 2017-07-31 | 2017-11-24 | 广东美芝制冷设备有限公司 | Compression assembly and multi-cylinder rotary compressor |
| CN208456863U (en) * | 2018-07-06 | 2019-02-01 | 珠海凌达压缩机有限公司 | A kind of flange, compressor and air-conditioning system |
| CN110259684A (en) * | 2018-03-12 | 2019-09-20 | 广东威灵汽车部件有限公司 | Compressor and vehicle with it |
| CN110454395A (en) * | 2019-09-06 | 2019-11-15 | 珠海凌达压缩机有限公司 | A kind of flange arrangement, compressor and air-conditioning |
-
2019
- 2019-11-25 CN CN201911167387.9A patent/CN111059055B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01203693A (en) * | 1988-02-05 | 1989-08-16 | Matsushita Electric Ind Co Ltd | Horizontal rotary type compressor |
| US5098266A (en) * | 1989-09-08 | 1992-03-24 | Mitsubishi Denki Kabushiki Kaisha | Lubrication of a horizontal rotary compressor |
| JPH03145590A (en) * | 1989-10-31 | 1991-06-20 | Matsushita Electric Ind Co Ltd | Scroll compressor |
| JPH04252891A (en) * | 1991-01-24 | 1992-09-08 | Daikin Ind Ltd | Rotary compressor |
| JPH05312176A (en) * | 1992-05-12 | 1993-11-22 | Taisei Tekkosho:Kk | Oil pump |
| JP2010185342A (en) * | 2009-02-12 | 2010-08-26 | Panasonic Corp | Rotary motor-driven compressor |
| WO2014064919A1 (en) * | 2012-10-23 | 2014-05-01 | パナソニック株式会社 | Rotary compressor |
| CN105114322A (en) * | 2015-08-18 | 2015-12-02 | 珠海凌达压缩机有限公司 | Upper flange and rotary compressor |
| CN105889069A (en) * | 2016-05-30 | 2016-08-24 | 广西大学 | Rotating compressor low in exhaust oil content |
| CN107387414A (en) * | 2017-07-31 | 2017-11-24 | 广东美芝制冷设备有限公司 | Compression assembly and multi-cylinder rotary compressor |
| CN110259684A (en) * | 2018-03-12 | 2019-09-20 | 广东威灵汽车部件有限公司 | Compressor and vehicle with it |
| CN208456863U (en) * | 2018-07-06 | 2019-02-01 | 珠海凌达压缩机有限公司 | A kind of flange, compressor and air-conditioning system |
| CN110454395A (en) * | 2019-09-06 | 2019-11-15 | 珠海凌达压缩机有限公司 | A kind of flange arrangement, compressor and air-conditioning |
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| Publication number | Publication date |
|---|---|
| CN111059055B (en) | 2021-09-07 |
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