CN112324661A - Novel oilless air compressor - Google Patents
Novel oilless air compressor Download PDFInfo
- Publication number
- CN112324661A CN112324661A CN202011172658.2A CN202011172658A CN112324661A CN 112324661 A CN112324661 A CN 112324661A CN 202011172658 A CN202011172658 A CN 202011172658A CN 112324661 A CN112324661 A CN 112324661A
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- China
- Prior art keywords
- pump body
- inner rotor
- rotary pump
- pressure
- rotor plunger
- Prior art date
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- 238000001816 cooling Methods 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 241001061137 Caulophrynidae Species 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 241001061140 Caulophryne pelagica Species 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Images
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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
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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
- F04C29/0021—Systems for the equilibration of forces acting on the pump
-
- 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
- F04C29/04—Heating; Cooling; Heat insulation
-
- 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
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
Abstract
The invention discloses a novel oil-free air compressor, which comprises a motor main shaft, an eccentric crank, a rotary pump body and an inner rotor plunger piston, wherein the motor main shaft is connected with the eccentric crank; the central axis O of the eccentric crank3About the axis of rotation O of the motor spindle1Rotating; the eccentric crank drives the inner rotor plunger to rotate, and then drives the rotary pump body to rotate around the rotation axis O of the rotary pump body2The inner rotor plunger slides in a reciprocating manner in the rotating pump body at the same time, and the gas compression process is finished; the axis of rotation O1And a central axis O3Is greater than the rotation axis O1And a rotation axis O2The distance of the axis of the shaft. The novel oil-free air compressor has low exhaust temperature, good heat dissipation performance and high cooling efficiency, has the capability of building high exhaust pressure of the piston type air compressor, and has the vibration of the rotary compressorSmall, the noise is low grade advantage to there is not oily compressed air clean, simple structure reliability is high, small in size is convenient for install and is arranged.
Description
Technical Field
The invention relates to air compression equipment, in particular to a novel air-cooled oil-free air compressor.
Background
At present, oil-free air compressors mainly comprise a reciprocating piston type compressor, a sliding vane type compressor, a vortex type compressor and the like. There is not oily air-cooled compressor exhaust temperature height, and heat dispersion is poor, causes compression efficiency relatively poor, and piston air compressor machine compares in gyration class compressors such as vortex, gleitbretter, screw rod and has congenital weak point: the vibration, the volume and the noise are relatively large, and the compressor such as a vortex compressor and a slip sheet compressor is difficult to meet the high-pressure requirement and has poor high-pressure performance. For example, the volume change of an oil-free scroll air compressor is realized by meshing a movable scroll disk and a fixed scroll disk, the gas seal in the compression process is sealed by virtue of a small meshing gap of the movable and fixed nest disks and self-lubricating materials on two end surfaces, the gas leakage is increased along with the increase of pressure, so that the high-pressure efficiency of the compressor is low, a compression exhaust port is positioned in the center of the scroll disk, the temperature is difficult to derive, and the service life is poor.
Disclosure of Invention
The invention aims to provide a novel oil-free air compressor aiming at the defects of the prior art, which has the advantages of low exhaust temperature, high cooling efficiency, high pressure building capacity of a piston type air compressor, low vibration, low noise, small volume and the like of a rotary compressor.
The purpose of the invention is realized by the following technical scheme: a novel oil-free air compressor comprises a motor main shaft, an eccentric crank, a rotary pump body and an inner rotor plunger; the central axis O of the eccentric crank3About the axis of rotation O of the motor spindle1Rotating; the eccentric crank drives the inner rotor plunger to rotate, and then drives the rotary pump body to rotate around the rotation axis O of the rotary pump body2The inner rotor plunger slides in a reciprocating manner in the rotating pump body at the same time, and the gas compression process is finished; the axis of rotation O1And a central axis O3Is greater than the rotation axis O1And a rotation axis O2The distance of the axis of the shaft.
Further, the motor spindle is connected with an eccentric crank, the eccentric crank is connected with an inner rotor plunger, and the inner rotor plunger is installed in the rotary pump body and is in sliding connection with the rotary pump body.
Further, inner rotor balance blocks are uniformly arranged on the motor main shafts on two sides of the eccentric crank and used for balancing inertia force generated by rotation of the inner rotor plunger assembly.
Further, a low-pressure valve plate is arranged in a low-pressure area of the rotary pump body, and a high-pressure valve plate is arranged in a high-pressure area of the rotary pump body; a low-pressure cavity is formed by a low-pressure area cylinder hole of the rotary pump body, the end surface of a low-pressure area of the inner rotor plunger piston and a low-pressure valve plate; a high-pressure cavity is formed by a high-pressure area cylinder hole of the rotary pump body, the end face of a high-pressure area of the plunger piston of the inner rotor and the high-pressure valve plate; when the plunger of the inner rotor reciprocates in the rotary pump body, the volumes of the low-pressure cavity and the high-pressure cavity are periodically changed.
Furthermore, an air inlet and an annular air passage are arranged on the compressor shell, an air outlet and a first radiating fin are arranged on the outer side of the annular air passage, and a sealing ring are arranged at the joint of the annular air passage and an air passage opening on the rotary pump body.
Furthermore, a second radiating fin is arranged on the pump head of the rotary pump body, a fan fin is arranged on the rotary pump body, the pump head has a function of a cooling fan during rotary motion, the first radiating fin and the second radiating fin are in contact with air flow for heat dissipation, and the fan fin takes away heat under the fin turbulence effect to realize cooling of the pump body.
Furthermore, the rotary pump body can also adopt multi-cylinder hole design such as three cylinders, four cylinders and the like, or adopt a plurality of pump heads to be matched and combined to realize multi-stage compression.
Further, the air inlet of the compressor is the air inlet of an inner rotor plunger or the air inlet of a pump head.
Furthermore, the motor spindle is connected with the rotating pump body, the inner rotor plunger is hinged with the eccentric crank, so that the rotating pump body rotates to drive the inner rotor plunger to rotate, and meanwhile, the inner rotor plunger slides in the rotating pump body in a reciprocating mode.
Further, the arrangement of a cooler on the compressor housing further reduces the discharge temperature.
The invention has the beneficial effects that: the novel oil-free air compressor has the advantages of low exhaust temperature, good heat dissipation performance, high cooling efficiency, high exhaust pressure building capability of the piston type air compressor, low vibration, low noise and the like of the rotary compressor, oil-free compressed air cleaning, simple structure, high reliability, small size and convenience in installation and arrangement.
Drawings
FIG. 1 is a main sectional view of the novel oil-free compressor of the present invention;
FIG. 2 is a left side sectional view of the novel oil-free compressor of the present invention;
FIG. 3 is a top sectional view of the novel oil-free compressor of the present invention;
FIG. 4 is a partial sectional view showing a three-dimensional shape of the novel oil-free compressor according to the present invention;
FIG. 5 is a structural diagram of a rotary pump body of the novel oil-free compressor;
in the figure, 1, a high-pressure valve plate stroke limiting plate; 2. a high pressure vent valve plate; 3. a high pressure valve plate; 4. a self-lubricating piston ring; 5. a high pressure zone guide ring; 6. a low pressure zone guide ring; 7. an eccentric crank; 8. a self-lubricating low pressure piston ring; 9. a high pressure chamber; 10. a high-pressure cylinder head; 11. a high-pressure air inlet valve plate; 12. an inner rotor plunger; 13. rotating the pump body; 14. a low pressure chamber; 15. a motor spindle; 16. a first maintenance-free bearing; 17. an inner rotor balance block; 18. a second maintenance-free bearing; 19. a compressor housing; 20. a first seal ring; 21. a second seal ring; 22. an exhaust port; 23. an auxiliary support bearing; 24. a bearing limit cover plate; 25. an air inlet; 26. a flat bond; 27. a low-pressure air inlet valve plate; 28. a bolt; 29. a low pressure valve plate; 30. a low-pressure valve plate stroke limiting plate; 31. a low pressure vent valve plate; 32. a low pressure cylinder head; 33. cooling the gas stream; 34. a fan fin; 35. a motor; 36. a first heat radiation fin; 37. a shock pad; 38. a pump head; 39. a second heat radiation fin; 40. an air duct opening; 41. the process gas stream is compressed.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a novel oil-free air compressor; the compressor comprises a motor spindle 15, an eccentric crank 7, a rotary pump body 13 and an inner rotor plunger 12; the central axis O of the eccentric crank 73About the axis of rotation of the motor spindle 15O1Rotating; the eccentric crank 7 drives the inner rotor plunger 12 to rotate, and further drives the rotary pump body 13 to rotate around the rotation axis O of the rotary pump body 132The inner rotor plunger 12 slides in a reciprocating manner in the rotary pump body 13 to complete the gas compression process; the axis of rotation O1And a central axis O3Is greater than the rotation axis O1And a rotation axis O2The distance of the axis of the shaft.
The motor spindle 15 is connected with the eccentric crank 7, the eccentric crank 7 is connected with the inner rotor plunger 12, the inner rotor plunger 12 is installed in the rotating pump body 13 and is in sliding connection with the rotating pump body 13, or the motor spindle is connected with the rotating pump body 13, the inner rotor plunger 12 is hinged with the eccentric crank 7, the rotating pump body 13 rotates to drive the inner rotor plunger 12 to rotate, and meanwhile the inner rotor plunger 12 slides in the rotating pump body 13 in a reciprocating mode.
An inner rotor balance block 17 is arranged on the motor main shaft 15 on two sides of the eccentric crank 7 and is used for balancing the inertia force generated by the rotation of the inner rotor plunger 12 component.
A low-pressure valve plate 29 is arranged in a low-pressure area of the rotary pump body 13, and a high-pressure valve plate 3 is arranged in a high-pressure area; the low-pressure area cylinder hole of the rotary pump body 13, the end face of the low-pressure area of the inner rotor plunger 12 and the low-pressure valve plate 29 form a low-pressure cavity 14; a high-pressure cavity 9 is formed by a high-pressure area cylinder hole of the rotary pump body 13, the end surface of a high-pressure area of the inner rotor plunger 12 and the high-pressure valve plate 3; the inner rotor plunger 12 reciprocates inside the rotary pump body 13, and the volumes of the low pressure chamber 14 and the high pressure chamber 9 are periodically changed.
The compressor shell 19 is provided with an air inlet 25 and an annular air passage, the outer side of the annular air passage is provided with an air outlet 22 and a first radiating fin 36, and the joint of the annular air passage and an air passage opening 40 on the rotary pump body 13 is provided with a first sealing ring 20 and a second sealing ring 21.
The second radiating fins 39 are arranged on the pump head 38 of the rotary pump body 13, the fan fins 34 are arranged on the rotary pump body 13, the pump head 38 has a function of cooling fans, the first radiating fins 36 and the second radiating fins 39 are in contact with air flow for heat dissipation, and the fan fins 34 take away heat under the fin turbulence effect to realize pump body cooling. The arrangement of a cooler on the compressor housing 19 further reduces the discharge temperature. The rotary pump body can also adopt multi-cylinder hole design such as three cylinders, four cylinders and the like, or adopt a plurality of pump heads to be matched and combined to realize multi-stage compression.
The air inlet of compressor is that the inner rotor plunger admits air or the pump head admits air, and the air current flow direction that the inner rotor plunger admits air or the pump head admits air is different, adopts the inner rotor plunger to admit air, thereby gain effect lies in the effect that the air current can play the cooling internals temperature through the pump body is inside to promote life, and the pump head admits air and is traditional piston air compressor machine air inlet mode, and the air inflow is by directly getting into in the compression cylinder on the pump head, and the advantage lies in that the structure is ripe and arranges.
As shown in FIGS. 1 to 5: an eccentric crank 7 is directly driven to rotate by a motor main shaft 15 through a flat key 26, inner rotor balance blocks 17 are arranged on the motor main shafts on two sides of the eccentric crank 7, an auxiliary supporting bearing 23 is further arranged on the front side of the motor main shaft 15, the eccentric crank 7 is connected into an inner hole of an inner rotor plunger 12 through a second maintenance-free bearing 18, a self-lubricating piston ring 4 and a high-pressure area guide ring 5 are arranged on a high-pressure area of the inner rotor plunger, a self-lubricating low-pressure piston ring 8 and a low-pressure area guide ring 6 are arranged on a low-pressure area of the inner rotor plunger, a low-pressure air inlet valve block 27 is fastened on an end face through a bolt 28, an inner rotor plunger 12 assembly is matched in a cylinder hole of a rotary pump body 13, a high-pressure valve plate 3 is arranged on one side of a high-pressure cavity 9 of, a high-pressure cylinder cover 10 is arranged on the outer side of the high-pressure air inlet valve plate 11; one side of the low-pressure cavity of the rotary pump body is provided with a low-pressure valve plate 29, the low-pressure valve plate is provided with a low-pressure exhaust valve plate 31 and a low-pressure valve plate stroke limiting plate 30, and the outer side of the low-pressure valve plate is provided with a low-pressure cylinder cover 32. The rotary pump body 13 is further provided with fan fins 34, first maintenance-free bearings 16 are further arranged in inner holes on two sides and are respectively placed on the front end cover of the motor 35 and the compressor shell 19, a first sealing ring 20 and a second sealing ring 21 are arranged at the joint of the air passage opening 40 of the rotary pump body and the annular air passage of the compressor shell 19, an exhaust opening 22 and first heat dissipation fins 36 are arranged on the outer side of the annular air passage of the compressor shell 19, the shell is further provided with an air inlet 25, a bearing limiting cover plate 24 is arranged, and the whole machine is placed on a shock pad 37.
The working principle of the compressor of the invention is as follows: the invention relates to a positive displacement rotary air compressor, which realizes the function of compressing air by reducing the air volume, and a scheme of adopting the principle of two-stage compression, assisting external air cooling and internal air intake cooling is shown in figures 1-5: o is1Is the axis of rotation, O, of the motor spindle 152For rotating the axis of rotation of the pump body 13, O3Is the central axis of the eccentric crank 7 and can rotate around the motor axis O1Is in rotational motion, and O1O3The distance between the axes is more than O1O2The distance of the axis.
During operation is directly linked by motor spindle 15 and is driven eccentric crank 7 rotatory, through arranging second non-maintaining bearing 18 on the eccentric crank 7, drive inner rotor plunger 12 and be rotary motion, it is joined in marriage on the rotatory pump body 13 to arrange low-pressure area guide ring 6 and high-pressure area guide ring 5 on the inner rotor plunger 12, high, play reciprocal direction supporting role in the low pressure cylinder hole, and drive rotatory pump body 13 and be rotary motion, then realize inner rotor plunger 12 and be reciprocating motion in the pump body, by rotatory pump body 13 low-pressure area cylinder hole this moment, the low pressure chamber 14 volume that inner rotor plunger 12 low-pressure area terminal surface and low pressure valve plate 29 constitute, and by rotatory pump body 13 high-pressure area cylinder hole, the high pressure chamber 9 volume that inner rotor plunger 12 high-pressure area terminal surface and high pressure valve plate 3 constitute, then periodic variation can take place: when the inner rotor plunger 12 rotates from the upper dead point to the lower dead point, the volume of the low pressure cavity 14 gradually decreases, the gas in the cylinder is compressed, the pressure rises to push the low pressure exhaust valve plate 31 to be discharged, and the primary compression of the gas is completed; therefore, the volume of the high-pressure cavity 9 is gradually increased to generate negative pressure, and at the moment, the gas compressed by the first stage pushes the high-pressure air inlet valve plate 11 into the high-pressure cavity. When the inner rotor plunger 12 rotates from the bottom dead center to the top dead center, the volume of the low pressure cavity 14 gradually increases to generate negative pressure, and at the moment, external air is sucked into the low pressure cavity 14 through the low pressure air inlet valve plate 27 on the inner rotor plunger, and the air suction process of the compressor is completed; therefore, the volume of the high-pressure cavity 9 is gradually reduced, the gas is compressed, the pressure is increased until the high-pressure exhaust valve plate 2 is pushed to be exhausted, the gas is subjected to secondary compression, and then the gas is exhausted through the exhaust port 22 on the shell, wherein the joint of the gas passage port 40 of the rotary pump body 13 and the annular gas passage of the compressor shell 19 is provided with a first sealing ring 20 and a second sealing ring 21 to realize gas passage sealing, and the direction of gas flow 41 in the compression process is shown in fig. 1.
The principle of efficient cooling: according to the invention, the pump head 38 rotates and has a function of carrying a cooling fan, the second cooling fins 39 and the first cooling fins 36 are arranged on each part, the second cooling fins 39 and the first cooling fins 36 are fully contacted with air flow for heat dissipation, the fan fins 34 are also arranged on the pump body, and when the pump works, under the fin turbulence effect, the cooling air flow 33 flows in from the tail part of the shell and is blown out from the front side to carry away a large amount of heat, so that the purpose of efficient cooling is realized, the compression efficiency of the whole machine is improved, and the.
The above-described embodiments are intended to illustrate rather than to limit the invention, and any modifications and variations of the present invention are within the spirit of the invention and the scope of the appended claims.
Claims (10)
1. A novel oil-free air compressor is characterized by comprising a motor main shaft (15), an eccentric crank (7), a rotary pump body (13) and an inner rotor plunger (12); a central axis O of the eccentric crank (7)3About the axis of rotation O of the motor spindle (15)1Rotating; the eccentric crank (7) drives the inner rotor plunger (12) to rotate, and then drives the rotary pump body (13) to rotate around the rotation axis O of the rotary pump body (13)2The inner rotor plunger (12) performs rotary motion, and simultaneously, the inner rotor plunger reciprocates and slides in the rotary pump body (13) to complete the gas compression process; the axis of rotation O1And a central axis O3Is greater than the rotation axis O1And a rotation axis O2The distance of the axis of the shaft.
2. An oil-free air compressor as claimed in claim 1, wherein the motor spindle (15) is connected to an eccentric crank (7), the eccentric crank (7) is connected to an inner rotor plunger (12), and the inner rotor plunger (12) is installed in the rotary pump body (13) and is slidably connected to the rotary pump body (13).
3. An oil-free air compressor as claimed in claim 1, wherein the motor main shaft (15) on both sides of the eccentric crank (7) is provided with an inner rotor balance weight (17) for balancing the inertia force generated by the rotation of the inner rotor plunger (12) assembly.
4. An oil-free air compressor as claimed in claim 1, wherein the rotary pump body (13) is provided with a low pressure valve plate (29) at a low pressure region and a high pressure valve plate (3) at a high pressure region; a low-pressure cavity (14) is formed by a low-pressure area cylinder hole of the rotary pump body (13), the end surface of a low-pressure area of the inner rotor plunger (12) and a low-pressure valve plate (29); a high-pressure area cylinder hole of the rotary pump body (13), the end face of a high-pressure area of the inner rotor plunger (12) and the high-pressure valve plate (3) form a high-pressure cavity (9); when the inner rotor plunger (12) reciprocates in the rotary pump body (13), the volumes of the low-pressure cavity (14) and the high-pressure cavity (9) are periodically changed.
5. An oilless air compressor as claimed in claim 1, wherein the compressor housing (19) is provided with an air inlet (25) and an annular air passage, the outside of the annular air passage is provided with an air outlet (22) and first heat dissipating fins (36), and the joint of the annular air passage and the air passage opening (40) on the rotary pump body (13) is provided with a first sealing ring (20) and a second sealing ring (21).
6. An oilless air compressor as claimed in claim 1, wherein the pump head (38) of the rotary pump body (13) has second heat dissipating fins (39), the rotary pump body (13) has fan fins (34), the pump head (38) has a self-contained cooling fan function during rotation, the first heat dissipating fins (36) and the second heat dissipating fins (39) are in contact with the air flow to dissipate heat, and the fan fins (34) take away heat under the fin turbulence effect to cool the pump body.
7. An oil-free air compressor as claimed in claim 1, wherein the rotary pump body can be designed with multi-cylinder holes such as three cylinders and four cylinders, or multiple pump heads can be combined to realize multi-stage compression.
8. An oil-free air compressor as claimed in claim 1, wherein the air intake of the compressor is internal rotor plunger air intake or pump head air intake.
9. An oil-free air compressor as claimed in claim 1, wherein the motor spindle is connected to a rotary pump body (13), the inner rotor plunger (12) is hinged to the eccentric crank (7), so that the rotary pump body (13) rotates to drive the inner rotor plunger (12) to rotate, and the inner rotor plunger (12) slides back and forth in the rotary pump body (13).
10. An oil-free air compressor as claimed in claim 1, wherein a cooler is disposed in the compressor housing (19) to further reduce the discharge temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011172658.2A CN112324661A (en) | 2020-10-28 | 2020-10-28 | Novel oilless air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011172658.2A CN112324661A (en) | 2020-10-28 | 2020-10-28 | Novel oilless air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112324661A true CN112324661A (en) | 2021-02-05 |
Family
ID=74297194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011172658.2A Pending CN112324661A (en) | 2020-10-28 | 2020-10-28 | Novel oilless air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112324661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565730A (en) * | 2021-08-26 | 2021-10-29 | 瑞立集团瑞安汽车零部件有限公司 | Novel reciprocating positive displacement air compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3279445A (en) * | 1964-06-15 | 1966-10-18 | Karol Robert | Rotary piston engine |
| CN2692379Y (en) * | 2004-03-17 | 2005-04-13 | 上海日立电器有限公司 | Two stage transcylinder rolling piston type compressor |
| CN201306259Y (en) * | 2008-12-12 | 2009-09-09 | 浙江鸿友压缩机制造有限公司 | Radial multi-cylinder synchronous rotary compressor |
| CN201372911Y (en) * | 2009-03-19 | 2009-12-30 | 浙江鸿友压缩机制造有限公司 | Rotary cylinder type compression device |
| KR20110015861A (en) * | 2009-08-10 | 2011-02-17 | 엘지전자 주식회사 | Compressor |
| CN206694258U (en) * | 2017-05-05 | 2017-12-01 | 周巧玲 | Air-cooled air compressor machine |
-
2020
- 2020-10-28 CN CN202011172658.2A patent/CN112324661A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3279445A (en) * | 1964-06-15 | 1966-10-18 | Karol Robert | Rotary piston engine |
| CN2692379Y (en) * | 2004-03-17 | 2005-04-13 | 上海日立电器有限公司 | Two stage transcylinder rolling piston type compressor |
| CN201306259Y (en) * | 2008-12-12 | 2009-09-09 | 浙江鸿友压缩机制造有限公司 | Radial multi-cylinder synchronous rotary compressor |
| CN201372911Y (en) * | 2009-03-19 | 2009-12-30 | 浙江鸿友压缩机制造有限公司 | Rotary cylinder type compression device |
| KR20110015861A (en) * | 2009-08-10 | 2011-02-17 | 엘지전자 주식회사 | Compressor |
| CN206694258U (en) * | 2017-05-05 | 2017-12-01 | 周巧玲 | Air-cooled air compressor machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565730A (en) * | 2021-08-26 | 2021-10-29 | 瑞立集团瑞安汽车零部件有限公司 | Novel reciprocating positive displacement air compressor |
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Effective date of registration: 20210623 Address after: No.2666, Development Zone Avenue, Ruian Economic Development Zone, Wenzhou City, Zhejiang Province, 325200 Applicant after: Zhejiang Ruili air compressor equipment Co.,Ltd. Address before: No.2666, Development Zone Avenue, Ruian Economic Development Zone, Wenzhou, Zhejiang 325200 Applicant before: Ruili Group Ruian Auto Parts Co.,Ltd. |
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