CN110131169B - Thrust surface lubricating structure, compressor and air conditioner - Google Patents
Thrust surface lubricating structure, compressor and air conditioner Download PDFInfo
- Publication number
- CN110131169B CN110131169B CN201910557204.8A CN201910557204A CN110131169B CN 110131169 B CN110131169 B CN 110131169B CN 201910557204 A CN201910557204 A CN 201910557204A CN 110131169 B CN110131169 B CN 110131169B
- Authority
- CN
- China
- Prior art keywords
- flange
- thrust surface
- thrust
- sealing plate
- drainage hole
- 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
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 9
- 238000005461 lubrication Methods 0.000 claims abstract description 26
- 239000010687 lubricating oil Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a thrust surface lubrication structure, a compressor and an air conditioner, wherein the thrust surface lubrication structure comprises a flange, a sealing plate positioned below the flange and a crankshaft inserted into the flange and the sealing plate, the thrust surface is a circular track surface formed by rotating along with the crankshaft, a containing cavity for storing lubricating oil is formed between the flange and the sealing plate, an exhaust hole for exhausting to a groove is formed in the flange, and at least one drainage hole for communicating the containing cavity and the thrust surface is formed in the flange. Compared with the prior art, the thrust surface lubricating structure provided by the invention has the advantages that on the basis of lubricating the inner side of the thrust surface, the flange is provided with the drainage hole for communicating the thrust surface with the accommodating cavity, compressed gas sequentially passes through the exhaust hole, the accommodating cavity, the drainage hole and the thrust surface, and the lubricating oil is conveyed to the outer side of the thrust surface for lubrication through the drainage hole under the high pressure action of the compressed gas, so that the abrasion of the thrust surface is reduced, and humanized and industrial designs are met.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a thrust surface lubrication structure, a compressor and an air conditioner.
Background
The compressor is a driven fluid machine that lifts low pressure gas to high pressure gas and is the heart of the refrigeration system. The low-temperature low-pressure refrigerant gas is sucked from the air suction pipe, the motor is operated to drive the piston to compress the low-temperature low-pressure refrigerant gas, and then the high-temperature high-pressure refrigerant gas is discharged to the air discharge pipe to provide power for refrigeration cycle.
Most of air conditioner compressors are rotor compressors, and crankshafts are installed in the rotor compressors.
When the compressor works, the thrust surface of the crankshaft is lubricated by the oil groove at the lower flange, the thrust surface is a circular track surface formed by following the rotation of the crankshaft (see patent number 201810956718.6 in detail), and because the pressure born by the thrust surface is concentrated, lubricating oil is difficult to permeate the surface of the whole thrust surface, so that the thrust surface is worn.
Disclosure of Invention
The invention aims to provide a thrust surface lubrication structure, a compressor and an air conditioner, which are used for solving the problem that the lubrication of a thrust surface in the prior art is not easy to wear.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a thrust face lubricating structure, include the flange, be located the closing plate of flange below and peg graft at the flange with the bent axle of closing plate, the thrust face is followed the rotatory circular orbit face that forms of bent axle, the flange with be formed with between the closing plate and be used for storing the chamber that holds of lubricating oil, set up on the flange to recess exhaust hole, set up at least one intercommunication on the flange hold the chamber with the drainage hole of thrust face.
Further, a roller for compressing air is sleeved on the crankshaft, the roller and the crankshaft are eccentrically arranged, and the bottom surface of the roller is in contact with the top surface of the flange.
Preferably, the maximum distance between the edge of the drainage hole and the center of the flange is L 2, the minimum distance between the edge of the drainage hole and the center of the flange is L 1, the inner diameter of the circular ring of the thrust surface is R, and the minimum distance between the outer edge of the roller and the center of the flange is R, and R is less than or equal to L 1＜L2 and less than or equal to R.
Preferably, the drainage holes are evenly distributed around the centre of the flange.
Preferably, the number of drainage holes includes, but is not limited to, 4.
Further, a groove for containing lubricating oil is formed in the sealing plate, and the groove and the flange form the containing cavity.
Preferably, the bottom surface of the groove is an arc surface or a plane.
Another object of the present invention is to provide a compressor, including a cylinder, and further including the thrust surface lubrication structure, wherein the flange is located below the cylinder.
Another object of the present invention is to provide an air conditioner including the above compressor.
The thrust surface lubrication structure provided by the invention has the beneficial effects that: compared with the prior art, the invention has the advantages that on the basis of lubricating the inner side of the thrust surface, the flange is provided with the drainage hole which is communicated with the thrust surface and the accommodating cavity, compressed gas sequentially passes through the exhaust hole, the accommodating cavity, the drainage hole and the thrust surface, and the high pressure effect of the compressed gas sends lubricating oil to the outer side of the thrust surface for lubrication through the drainage hole, so that the abrasion of the thrust surface is reduced, and humanized and industrial designs are met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a cross-sectional view of a cylinder according to an embodiment of the present invention, a part of which is not shown;
FIG. 2 is a top view of a flange according to an embodiment of the present invention, with portions of the structure not shown;
FIG. 3 is a cross-sectional view taken along the direction E-E in FIG. 2, with portions of the structure not shown;
FIG. 4 is a cross-sectional view of the seal plate shown in FIG. 3, with portions of the structure not shown;
fig. 5 is a top view of a roller and thrust surface provided by an embodiment of the present invention, with portions of the structure not shown.
Wherein, each reference numeral in the figure mainly marks:
1. a flange; 2. a sealing plate; 3. a crankshaft; 4. a thrust surface; 5. a receiving chamber; 6. an exhaust hole; 7. drainage holes; 8. a groove; 9. a roller; 10. and (3) a cylinder.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 and 2 together, a thrust lubrication structure according to an embodiment of the invention will now be described. The thrust surface lubrication structure comprises a flange 1, a sealing plate 2 and a crankshaft 3, wherein the sealing plate 2 is positioned below the flange 1, and the crankshaft 3 is spliced on the flange 1 and the sealing plate 2. The thrust surface 4 is a circular track surface formed by following the rotation of the crankshaft 3, a containing cavity 5 is formed between the flange 1 and the sealing plate 2, the containing cavity 5 is used for storing lubricating oil, the flange 1 is provided with an exhaust hole 6, the exhaust hole 6 discharges high-pressure compressed gas into the containing cavity 5, the flange 1 is provided with at least one drainage hole 7, and the drainage hole 7 is communicated with the containing cavity 5 and the thrust surface 4. Compressed gas enters the accommodating cavity 5 through the exhaust hole 6, the compressed gas generates acting force on lubricating oil, and the drainage hole 7 introduces the lubricating oil into the thrust surface 4, so that the thrust surface 4 is lubricated. Simple structure and easy realization.
Compared with the prior art, the lubricating structure for the thrust surface 4 provided by the invention has the advantages that on the basis of lubricating the inner side of the thrust surface 4, the flange 1 is provided with the drainage hole 7 for communicating the thrust surface 4 with the accommodating cavity 5, compressed gas sequentially passes through the exhaust hole 6, the accommodating cavity 5, the drainage hole 7 and the thrust surface 4, and lubricating oil is sent to the outer side of the thrust surface 4 for lubrication through the drainage hole 7 under the high-pressure action of the compressed gas, so that the abrasion of the thrust surface 4 is reduced, and humanized and industrial designs are met.
Further, referring to fig. 1 and 2 together, as a specific embodiment of the thrust lubrication structure provided by the present invention, a roller 9 is sleeved on the crankshaft 3, the roller 9 is eccentrically disposed with respect to the crankshaft 3, and the bottom surface of the roller 9 contacts with the top surface of the flange 1. The crankshaft 3 compresses the gas during rotation by means of the eccentric torque of the rollers 9, so that the compressed gas has a greater pressure when entering the grooves 8.
Preferably, referring to fig. 1 and 5 together, as a specific embodiment of the thrust lubrication structure provided by the present invention, a maximum distance between an edge of the drainage hole 7 and a center of the flange 1 is L 2, a minimum distance between the edge of the drainage hole 7 and the center of the flange 1 is L 1, and if an inner diameter of a ring of the thrust surface 4 is R, and a minimum distance between an outer edge of the roller 9 and the center of the flange 1 is R, R is less than or equal to L 1＜L2 and less than or equal to R. That is, the position of the drain hole 7 on the flange 1 should not exceed the range of the inner side of the thrust surface 4 and the outer side of the roller 9, so as to prevent the drain hole 7 from communicating with the compressed gas above the flange 1, thereby affecting the effect of the compressed gas above and the effect of the compressed gas discharged into the exhaust hole 6 on the lubricating oil.
Preferably, referring to fig. 1 and 5, as a specific embodiment of the thrust surface lubrication structure provided by the present invention, the drainage holes 7 are uniformly distributed around the flange 1, so that the lubricating oil guided by the drainage holes 7 is uniformly distributed around the thrust surface 4, so that the whole thrust surface 4 can be lubricated in place by the lubricating oil, and the thrust surface 4 is lubricated more fully.
Preferably, referring to fig. 1,2 and 5, as a specific embodiment of the thrust lubrication structure provided by the present invention, the number of the drainage holes 7 is 4, and the drainage holes are uniformly distributed around the center of the flange 1, and of course, the number of the drainage holes 7 may be selected according to actual situations and requirements, and in general, the more the number of the drainage holes 7, the more adequate the lubrication of the thrust surface 4.
Further, referring to fig. 1 and 4, a groove 8 for containing lubricating oil is formed on the sealing plate 2, and the groove 8 and the flange 1 form a containing cavity 5 to prevent the lubricating oil from flowing out of the flange 1, thereby affecting the lubrication effect.
Preferably, referring to fig. 1 and fig. 4, as a specific embodiment of the thrust lubrication structure provided by the present invention, the bottom surface of the groove 8 is an arc surface. It is also possible that the bottom surface of the groove 8 is planar, but in contrast, the bottom surface of the groove 8 with an arc surface helps to reduce the resistance of the drainage hole 7 when draining lubricating oil, so that the lubrication of the thrust surface 4 is smoother and quicker.
Referring to fig. 1, the present invention further provides a compressor, which includes a cylinder 10, and the thrust surface 4 lubrication structure, and the flange 1 is located below the cylinder 10.
The invention also provides an air conditioner comprising the compressor.
The foregoing description of the preferred embodiments of the invention 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 invention.
Claims (7)
1. The utility model provides a thrust face lubricating structure, includes the flange, is located sealing plate, grafting of flange below the flange with the bent axle of sealing plate, the thrust face is followed the rotatory circular orbit face that forms of bent axle, its characterized in that: a containing cavity for storing lubricating oil is formed between the flange and the sealing plate, an exhaust hole for exhausting the containing cavity is formed in the flange, and at least one drainage hole for communicating the containing cavity with the thrust surface is formed in the flange;
The crankshaft is sleeved with a roller for compressing air, the roller and the crankshaft are eccentrically arranged, and the bottom surface of the roller is contacted with the top surface of the flange;
The maximum distance between the edge of the drainage hole and the center of the flange is L 2, the minimum distance between the edge of the drainage hole and the center of the flange is L 1, the inner diameter of the circular ring of the thrust surface is R, and the minimum distance between the outer edge of the roller and the center of the flange is R, and R is less than or equal to L 1＜L2 and less than or equal to R.
2. The thrust face lubrication structure of claim 1, wherein: the drainage holes are uniformly distributed around the center of the flange.
3. The thrust face lubrication structure of claim 1, wherein: the number of drainage holes includes, but is not limited to, 4.
4. The thrust face lubrication structure of claim 1, wherein: the sealing plate is provided with a groove for containing lubricating oil, and the groove and the flange form the containing cavity.
5. The thrust face lubrication structure of claim 4, wherein: the bottom surface of the groove is an arc surface or a plane.
6. A compressor comprising a cylinder, characterized in that: further comprising a thrust face lubrication structure as claimed in any one of claims 1 to 5, the flange being located below the cylinder.
7. An air conditioner, characterized in that: comprising the compressor of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557204.8A CN110131169B (en) | 2019-06-25 | 2019-06-25 | Thrust surface lubricating structure, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557204.8A CN110131169B (en) | 2019-06-25 | 2019-06-25 | Thrust surface lubricating structure, compressor and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110131169A CN110131169A (en) | 2019-08-16 |
| CN110131169B true CN110131169B (en) | 2024-06-21 |
Family
ID=67579502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910557204.8A Active CN110131169B (en) | 2019-06-25 | 2019-06-25 | Thrust surface lubricating structure, compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131169B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210196017U (en) * | 2019-06-25 | 2020-03-27 | 珠海凌达压缩机有限公司 | Thrust surface lubricating structure, compressor and air conditioner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010163877A (en) * | 2009-01-13 | 2010-07-29 | Daikin Ind Ltd | Rotary compressor |
| CN202612111U (en) * | 2012-03-09 | 2012-12-19 | 珠海格力电器股份有限公司 | Rotary compressor with oil storage cavity pump body |
| CN105065270A (en) * | 2015-08-12 | 2015-11-18 | 珠海凌达压缩机有限公司 | Air conditioner and low-pressure cavity compressor thereof |
-
2019
- 2019-06-25 CN CN201910557204.8A patent/CN110131169B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210196017U (en) * | 2019-06-25 | 2020-03-27 | 珠海凌达压缩机有限公司 | Thrust surface lubricating structure, compressor and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110131169A (en) | 2019-08-16 |
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