CN109723639B - Vortex air compressor with pressure of 2.5MPa - Google Patents
Vortex air compressor with pressure of 2.5MPa Download PDFInfo
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- CN109723639B CN109723639B CN201910191798.5A CN201910191798A CN109723639B CN 109723639 B CN109723639 B CN 109723639B CN 201910191798 A CN201910191798 A CN 201910191798A CN 109723639 B CN109723639 B CN 109723639B
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- 238000007789 sealing Methods 0.000 claims abstract description 66
- 238000013016 damping Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 39
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The invention discloses a vortex air compressor with the pressure of 2.5MPa, which comprises a machine case, a host, an oil-gas separator and a cooler, wherein a minimum pressure valve is arranged between an exhaust port of the oil-gas separator and an air inlet of the cooler. When the vortex type air compressor works, the host starts to suck air, pressure is generated through compression, compressed air enters the oil-gas separator, the pressure in the oil-gas separator rises, the minimum pressure valve is closed, the pressure of the lubricating system is established, lubricating oil flows into the cooler through the pressure in the oil-gas separator, the lubricating oil flows into the host after being cooled until the pressure in the oil-gas separator reaches the pressure set by the minimum pressure valve, the minimum pressure valve is opened, the compressed air enters the cooler, and air is supplied to a user through an air outlet of the cooler. The minimum pressure valve compresses the sealing gasket on the valve core body through the pressure plate, so that the sealing effect of the sealing gasket is enhanced, and the sealing performance of the vortex air compressor is improved.
Description
Technical Field
The invention relates to the technical field of air compressors, in particular to a vortex type air compressor with the pressure of 2.5 MPa.
Background
The air compressor is a device for compressing air, and is a main body in an air source device, which is a device for converting mechanical energy of a prime motor into air pressure energy and is an air pressure generating device for compressing air. The air compressor has the advantages of high efficiency, low noise, small volume, energy saving, environment protection and the like, and is widely applied to occasions where compressed air is needed in industries such as industry, agriculture, transportation and the like. The vortex plate of the main running part of the vortex air compressor is only meshed and does not generate abrasion, so that the service life of the vortex air compressor is longer than that of a piston type screw compressor, and the vortex air compressor is an ideal power source of pneumatic machinery. In a vortex air compressor, a main moving part vortex plate is divided into an movable vortex plate and a fixed vortex plate, vortex sheets are arranged in the movable vortex plate and the fixed vortex plate, in general, the movable vortex plate and the fixed vortex plate are combined with each other to form a compression cavity, when the movable vortex plate is driven by a crankshaft to translate along a certain circumference track, the movable vortex plate moves relative to the fixed vortex plate, namely, the compression cavity formed by the movable vortex plate and the fixed vortex plate moves and changes the volume of the compression cavity, so that the process of sucking, compressing and discharging compressed air is completed.
With the increasing popularity of industrial automatic production, many industrial manufacturing equipment needs compressed air to provide power for production equipment, and the pressure requirement of equipment in different industries on power sources can reach 16kg/cm 2 pressure at most in the existing vortex air compressors, but the 16kg/cm 2 pressure can not meet the needs of most industries, and the types of the air compressors with the pressure of 2.5MPa on the market are more, but the vortex air compressors with the pressure of 2.5MPa are not available.
How to fill the blank in the aspect of the scroll type air compressor with the pressure of 2.5MPa in the prior art is a problem to be solved urgently by a person skilled in the art.
Disclosure of Invention
The invention aims to provide a vortex type air compressor with the pressure of 2.5MPa, so as to solve the problems in the prior art, enable the pressure of the vortex type air compressor to reach 2.5MPa and meet the industry requirements.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a vortex type air compressor with the pressure of 2.5MPa, which comprises a chassis, a host, an oil-gas separator and a cooler, wherein the host and the oil-gas separator are arranged on a bottom plate of the chassis, the cooler is connected with the top of the chassis, the host is provided with an air inlet which can be communicated with an external air source, an air outlet of the host is communicated with the air inlet of the oil-gas separator, the air outlet of the oil-gas separator is communicated with the air inlet of the cooler, a minimum pressure valve is arranged between the air outlet of the oil-gas separator and the air inlet of the cooler, the air outlet of the cooler can also be communicated with the external environment, an oil outlet of the oil-gas separator is communicated with an oil inlet of the cooler, and an oil outlet of the cooler is communicated with an oil return port of the host;
Exhaust check valves are arranged between the exhaust port of the host and the air inlet of the oil-gas separator and between the exhaust port of the oil-gas separator and the external environment, and oil return check valves are arranged between the oil drain port of the oil-gas separator and the oil inlet of the cooler and between the oil drain port of the cooler and the oil return port of the host;
the minimum pressure valve comprises a valve body and a valve core assembly, the valve core assembly is arranged in an inner cavity of the valve body, the valve body comprises a pressure valve air inlet and a pressure valve air outlet, the pressure valve air inlet and the pressure valve air outlet are both communicated with the inner cavity of the valve body, a valve hole is arranged in the inner cavity of the valve body, and the pressure valve air inlet and the pressure valve air outlet are communicated through the valve hole; the valve core assembly comprises a valve core body, a sealing gasket and a pressure plate, wherein the sealing gasket is positioned between the valve core body and the pressure plate, the pressure plate is connected with the valve core body, the pressure plate compresses the sealing gasket on the valve core body, and the valve core body can seal the valve hole; the pressure valve air inlet is communicated with the air outlet of the oil-gas separator, and the pressure valve air outlet is communicated with the air inlet of the cooler.
Preferably, the oil-gas separator is further provided with a fine separation oil drain port, and the fine separation oil drain port is communicated with an oil return port of the main machine.
Preferably, an oil filter is further arranged between the oil drain port of the cooler and the oil return port of the host machine.
Preferably, a damping rubber is arranged between the host machine and the bottom plate of the case, and the host machine is detachably connected with the damping rubber.
Preferably, the chassis is a frame structure.
Preferably, an oil viewing mirror is arranged on the oil-gas separator.
Preferably, a sealing groove is formed in the valve core body, the sealing gasket is arranged in the sealing groove, and the depth of the sealing groove is smaller than the thickness of the sealing gasket.
Preferably, the pressure plate extends into the valve hole, and the sealing gasket is abutted against the inner wall of the valve body.
Preferably, the minimum pressure valve further comprises a piston, the piston is arranged in the inner cavity of the valve body, the piston is in sliding connection with the valve body, the piston is connected with the valve core assembly, one end, far away from the valve core assembly, of the piston is provided with an adjusting screw, the adjusting screw is in threaded connection with the valve body, a piston spring is arranged between the piston and the adjusting screw, one end, close to the valve core assembly, of the piston is sleeved with a valve core spring, and the valve core spring is in butt joint with the valve core assembly.
Preferably, the piston is also sleeved with a sealing ring, and the sealing ring is abutted against the inner wall of the valve body; a piston check ring capable of limiting the piston stroke is also arranged in the valve body; the piston is provided with a guide hole, one end of the valve core body, which is far away from the sealing gasket, is provided with a guide rod, and the guide rod is slidably arranged in the guide hole.
Compared with the prior art, the invention has the following technical effects: the invention relates to a vortex air compressor with the pressure of 2.5MPa, which comprises a chassis, a host, an oil-gas separator and a cooler, wherein the host and the oil-gas separator are arranged on a bottom plate of the chassis, the cooler is connected with the top of the chassis, the host is provided with an air inlet which can be communicated with an external air source, an air outlet of the host is communicated with the air inlet of the oil-gas separator, the air outlet of the oil-gas separator is communicated with the air inlet of the cooler, a minimum pressure valve is arranged between the air outlet of the oil-gas separator and the air inlet of the cooler, the air outlet of the cooler can also be communicated with the external environment, an oil outlet of the oil-gas separator is communicated with an oil inlet of the cooler, and an oil outlet of the cooler is communicated with an oil return port of the host; exhaust check valves are arranged between the exhaust port of the host and the air inlet of the oil-gas separator, and between the exhaust port of the oil-gas separator and the external environment, and oil return check valves are arranged between the oil drain port of the oil-gas separator and the oil inlet of the cooler, and between the oil drain port of the cooler and the oil return port of the host; the minimum pressure valve comprises a valve body and a valve core assembly, the valve core assembly is arranged in an inner cavity of the valve body, the valve body comprises a pressure valve air inlet and a pressure valve air outlet, the pressure valve air inlet and the pressure valve air outlet are both communicated with the inner cavity of the valve body, a valve hole is arranged in the inner cavity of the valve body, and the pressure valve air inlet and the pressure valve air outlet are communicated through the valve hole; the valve core assembly comprises a valve core body, a sealing gasket and a pressure plate, wherein the sealing gasket is positioned between the valve core body and the pressure plate; the air inlet of the pressure valve is communicated with the air outlet of the oil-gas separator, and the air outlet of the pressure valve is communicated with the air inlet of the cooler. When the vortex type air compressor works, the host starts to suck air, pressure is generated through compression, compressed air enters the oil-gas separator, the pressure in the oil-gas separator rises, the minimum pressure valve is closed, the pressure of the lubricating system is established, lubricating oil flows into the cooler through the pressure in the oil-gas separator, the lubricating oil flows into the host after being cooled until the pressure in the oil-gas separator reaches the pressure set by the minimum pressure valve, the minimum pressure valve is opened, the compressed air enters the cooler, and air is supplied to a user through an air outlet of the cooler. The minimum pressure valve compresses tightly sealing gasket on the case body through the pressure disk, strengthens sealing gasket firmness, avoids sealing gasket to drop or the gas leakage phenomenon that misplaces and leads to, strengthens sealing gasket's sealed effect, promotes scroll air compressor's sealing performance, realizes the purpose of the invariable pressure air feed of scroll air compressor that pressure is 2.5 MPa.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments 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 schematic view of a scroll air compressor of the present invention having a pressure of 2.5 MPa;
FIG. 2 is a schematic cross-sectional view of a minimum pressure valve of the scroll air compressor of the present invention having a pressure of 2.5 MPa;
FIG. 3 is a schematic view of another angle of the scroll air compressor of the present invention having a pressure of 2.5 MPa;
FIG. 4 is a schematic elevational view of a scroll air compressor of the present invention having a pressure of 2.5 MPa;
FIG. 5 is a schematic side view of a scroll air compressor of the present invention having a pressure of 2.5 MPa;
Wherein 1 is the machine case, 2 is the host computer, 3 is the oil-gas separator, 4 is the cooler, 5 is the controller, 6 is the minimum pressure valve, 601 is the valve body, 602 is the case, 603 is the sealing gasket, 604 is the pressure disk, 605 is the case spring, 606 is the piston, 607 is the sealing washer, 608 is the piston spring, 609 is the adjusting screw, 610 is the piston retainer ring, 611 is the case assembly, 612 is the screw, 7 is the shock-absorbing rubber, 8 is the oil sight glass.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a vortex type air compressor with the pressure of 2.5MPa, so as to solve the problems in the prior art, enable the pressure of the vortex type air compressor to reach 2.5MPa and meet the industry requirements.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a scroll air compressor with a pressure of 2.5MPa, fig. 2 is a schematic sectional structural diagram of a minimum pressure valve of the scroll air compressor with a pressure of 2.5MPa, fig. 3 is a schematic structural diagram of a scroll air compressor with a pressure of 2.5MPa, fig. 4 is a schematic front structural diagram of the scroll air compressor with a pressure of 2.5MPa, and fig. 5 is a schematic side structural diagram of the scroll air compressor with a pressure of 2.5 MPa.
The invention provides a vortex type air compressor with the pressure of 2.5MPa, which comprises a case 1, a host machine 2, an oil-gas separator 3 and a cooler 3, wherein the host machine 2 and the oil-gas separator 3 are arranged on a bottom plate of the case 1, the cooler 3 is connected with the top of the case 1, the host machine 2 is provided with an air inlet which can be communicated with an external air source, an air outlet of the host machine 2 is communicated with the air inlet of the oil-gas separator 3, the air outlet of the oil-gas separator 3 is communicated with the air inlet of the cooler 3, a minimum pressure valve 6 is arranged between the air outlet of the oil-gas separator 3 and the air inlet of the cooler 3, the air outlet of the cooler 3 can also be communicated with the external environment, an oil outlet of the oil-gas separator 3 is communicated with an oil inlet of the cooler 3, and an oil outlet of the cooler 3 is communicated with an oil return port of the host machine 2.
When the vortex type air compressor works, the host machine 2 starts to suck air, pressure is generated through compression, compressed air enters the oil-gas separator 3, the pressure in the oil-gas separator 3 rises, the minimum pressure valve 6 is closed, the pressure in the oil-gas separator 3 is established to enable lubricating oil to flow into the cooler 3, the lubricating oil flows into the host machine 2 after being cooled until the pressure in the oil-gas separator 3 reaches the pressure set by the minimum pressure valve 6, the minimum pressure valve 6 is opened, compressed air enters the cooler 3, and air is supplied to a user through an air outlet of the cooler 3.
Exhaust check valves are arranged between the exhaust port of the host machine 2 and the air inlet of the oil-gas separator 3 and between the exhaust port of the oil-gas separator 3 and the external environment, and return check valves are arranged between the oil drain port of the oil-gas separator 3 and the oil inlet of the cooler 3 and between the oil drain port of the cooler 3 and the return port of the host machine 2, so that oil and gas are prevented from flowing backwards.
The vortex type air compressor with the pressure of 2.5MPa is further provided with a controller 5, the host machine 2, the oil-gas separator 3, the cooler 3, the minimum pressure valve 6, the exhaust one-way valve and the oil return one-way valve are all connected with the controller 5, the controller 5 is also connected with a frequency converter and a loading and unloading electromagnetic valve, after the vortex type air compressor is started, the controller 5 is in a loading mode, the loading and unloading electromagnetic valve is opened, the pressure in the oil-gas separator 3 is increased, and the vortex type air compressor is started under normal light load; when loading, the loading and unloading electromagnetic valve is closed, and the air compressor runs at full load; when the exhaust pressure of the vortex air compressor reaches the set unloading pressure during unloading, the controller 5 switches an unloading mode, and the loading and unloading electromagnetic valve is opened; when the machine is stopped, the vortex type air compressor is in an unloading mode, and the machine is stopped after the pressure in the oil-gas separator 3 is discharged, namely, the machine is stopped after the vortex type air compressor is unloaded, so that the shaft seal of the main machine 2 can be protected, and meanwhile, the requirement of constant use pressure is met. The vortex air compressor with the pressure of 2.5MPa is started through the frequency converter, has no peak high current, namely rated current, has high starting torque, and can effectively protect the shaft seal of the host machine 2 by flexible starting.
The minimum pressure valve 6 comprises a valve body 601 and a valve core assembly 611, the valve core assembly 611 is arranged in the inner cavity of the valve body 601, the valve body 601 comprises a pressure valve air inlet and a pressure valve air outlet, the pressure valve air inlet and the pressure valve air outlet are both communicated with the inner cavity of the valve body 601, a valve hole is arranged in the inner cavity of the valve body 601, and the pressure valve air inlet and the pressure valve air outlet are communicated through the valve hole; the valve core assembly 611 comprises a valve core 602 body, a sealing gasket 603 and a pressure plate 604, wherein the sealing gasket 603 is positioned between the valve core 602 body and the pressure plate 604, the pressure plate 604 is connected with the valve core 602 body, the pressure plate 604 presses the sealing gasket 603 on the valve core 602 body, and the valve core 602 body can seal a valve hole; the air inlet of the pressure valve is communicated with the air outlet of the oil-gas separator 3, and the air outlet of the pressure valve is communicated with the air inlet of the cooler 3.
According to the minimum pressure valve 6 disclosed by the invention, the sealing gasket 603 is pressed on the valve core 602 body through the pressure plate 604, so that the firmness of the sealing gasket 603 is enhanced, the air leakage phenomenon caused by dropping or dislocation of the sealing gasket 603 is avoided, and the sealing effect of the sealing gasket 603 is enhanced.
The oil-gas separator 3 is further provided with a fine oil-separating outlet which is communicated with an oil return port of the main machine 2, and an oil filter is further arranged between the oil-separating outlet of the cooler 3 and the oil return port of the main machine 2 to filter oil.
Specifically, set up shock attenuation rubber 7 between the bottom plate of host computer 2 and quick-witted case 1, shock attenuation rubber 7 can reduce the vibrations that bring for machine case 1 when host computer 2 operates, and shock attenuation rubber 7 host computer 2 can dismantle the connection, conveniently changes the adjustment.
In addition, the case 1 is of a frame structure, so that daily maintenance is facilitated.
More specifically, the oil-gas separator 3 is provided with the oil-viewing mirror 8, so that an operator can know the liquid level in the oil-gas separator 3 conveniently, the oil-viewing mirror 8 is in threaded connection with the oil-gas separator 3, and the high-pressure and high-temperature resistant oil-viewing mirror 8 is adopted.
In the minimum pressure valve 6, the pressure plate 604 is connected with the valve core body 602 through the screw 612, so that the connection is firm, the assembly and the disassembly are convenient, and the spring gasket is arranged between the pressure plate 604 and the screw 612, so that the sealing gasket 603 is prevented from falling down due to loosening of the screw 612. The valve core 602 body is provided with the sealing groove, the sealing gasket 603 is arranged in the sealing groove, the sealing groove plays a role in limiting the position of the sealing gasket 603, and the depth of the sealing groove is smaller than the thickness of the sealing gasket 603, so that the sealing gasket 603 can be abutted against the inner wall of the valve body 601, the valve core assembly 61111 can be ensured to seal the valve hole, and the sealing performance of the sealing gasket 603 is improved.
In addition, the pressure plate 604 stretches into the valve hole, the sealing gasket 603 is abutted against the inner wall of the valve body 601, the pressure plate 604 stretches into the valve hole, the pressure plate 604 is prevented from affecting the contact between the sealing gasket 603 and the inner cavity of the valve body 601, and the pressure plate 604, the sealing gasket 603 and the valve core 602 body are matched with each other to seal the valve hole.
Further, the minimum pressure valve 6 further comprises a piston 606, the piston 606 is arranged in the inner cavity of the valve body 601, the piston 606 is slidably connected with the valve body 601, the piston 606 is connected with the valve core assembly 611, an adjusting screw 609 is arranged at one end of the piston 606 far away from the valve core assembly 611, the adjusting screw 609 is in threaded connection with the valve body 601, a piston spring 608 is arranged between the piston 606 and the adjusting screw 609, a valve core spring 605 is sleeved at one end of the piston 606 close to the valve core assembly 611, and the valve core spring 605 is abutted against the valve core assembly 611. The piston 606 slides back and forth in the inner cavity of the valve body 601 and is matched with the valve core assembly 611 to realize the sealing of the valve hole and the separation of the valve hole, so that the air inlet and the air outlet are communicated, and when the air compressor is stopped, the valve core assembly 611 can seal the valve hole under the acting force of the valve core spring 605. The mounting position of the piston spring 608 can be adjusted by means of the adjusting screw 609, and the operating pressure of the minimum pressure valve 6 can be adjusted by adjusting the mounting position of the piston spring 608.
Furthermore, the piston 606 is also sleeved with a sealing ring 607, and the sealing ring 607 is abutted against the inner wall of the valve body 601, so that leakage at the position of the piston 606 is avoided; a piston check ring 610 capable of limiting the stroke of the piston 606 is also arranged in the valve body 601 to limit the limit position of the piston 606; the piston 606 is provided with a guide hole, one end of the valve core 602 body far away from the sealing gasket 603 is provided with a guide rod, the guide rod is arranged in the guide hole in a sliding manner, and the guide rod and the guide hole provide a guide effect for the movement of the valve core assembly 611.
When the vortex type air compressor with the pressure of 2.5MPa works, the host machine 2 starts to suck air, the compressed air generates pressure through compression, the compressed air enters the oil-gas separator 3, the pressure in the oil-gas separator 3 rises, the minimum pressure valve 6 is closed, the pressure of a lubricating system is built, lubricating oil flows into the cooler 3 by the pressure in the oil-gas separator 3, the lubricating oil flows into the host machine 2 after being cooled until the pressure in the oil-gas separator 3 reaches the pressure set by the minimum pressure valve 6, the minimum pressure valve 6 is opened, the compressed air enters the cooler 3, air is supplied to a user through an exhaust port of the cooler 3, the minimum pressure valve 6 compresses the sealing gasket 603 on the valve core 602 body through the pressure plate 604, the sealing effect of the sealing gasket 603 is enhanced, and the air compressor finally meets the requirement of constant use pressure.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (10)
1. A scroll air compressor having a pressure of 2.5MPa, characterized in that: the oil-gas separator comprises a case, a host, an oil-gas separator and a cooler, wherein the host and the oil-gas separator are arranged on a bottom plate of the case, the cooler is connected with the top of the case, the host is provided with an air inlet which can be communicated with an external air source, an air outlet of the host is communicated with the air inlet of the oil-gas separator, the air outlet of the oil-gas separator is communicated with the air inlet of the cooler, a minimum pressure valve is arranged between the air outlet of the oil-gas separator and the air inlet of the cooler, the air outlet of the cooler can also be communicated with the external environment, an oil outlet of the oil-gas separator is communicated with an oil inlet of the cooler, and an oil outlet of the cooler is communicated with an oil return port of the host;
Exhaust check valves are arranged between the exhaust port of the host and the air inlet of the oil-gas separator and between the exhaust port of the oil-gas separator and the external environment, and oil return check valves are arranged between the oil drain port of the oil-gas separator and the oil inlet of the cooler and between the oil drain port of the cooler and the oil return port of the host;
the minimum pressure valve comprises a valve body and a valve core assembly, the valve core assembly is arranged in an inner cavity of the valve body, the valve body comprises a pressure valve air inlet and a pressure valve air outlet, the pressure valve air inlet and the pressure valve air outlet are both communicated with the inner cavity of the valve body, a valve hole is arranged in the inner cavity of the valve body, and the pressure valve air inlet and the pressure valve air outlet are communicated through the valve hole; the valve core assembly comprises a valve core body, a sealing gasket and a pressure plate, wherein the sealing gasket is positioned between the valve core body and the pressure plate, the pressure plate is connected with the valve core body, the pressure plate compresses the sealing gasket on the valve core body, and the valve core body can seal the valve hole; the pressure valve air inlet is communicated with the air outlet of the oil-gas separator, and the pressure valve air outlet is communicated with the air inlet of the cooler.
2. The scroll air compressor of claim 1 having a pressure of 2.5MPa, wherein: the oil-gas separator is also provided with a fine oil-separating outlet which is communicated with an oil return port of the main machine.
3. The scroll air compressor of claim 1 having a pressure of 2.5MPa, wherein: an oil filter is further arranged between the oil drain port of the cooler and the oil return port of the host machine.
4. The scroll air compressor of claim 1 having a pressure of 2.5MPa, wherein: damping rubber is arranged between the host machine and the bottom plate of the case, and the host machine is detachably connected with the damping rubber.
5. The scroll air compressor of claim 1 having a pressure of 2.5MPa, wherein: the case is of a frame structure.
6. The scroll air compressor of claim 1 having a pressure of 2.5MPa, wherein: an oil-viewing mirror is arranged on the oil-gas separator.
7. The scroll air compressor of claim 1 having a pressure of 2.5MPa, wherein: the valve core body is provided with a sealing groove, the sealing gasket is arranged in the sealing groove, and the depth of the sealing groove is smaller than the thickness of the sealing gasket.
8. The scroll air compressor of claim 7 having a pressure of 2.5MPa, wherein: the pressure plate stretches into the valve hole, and the sealing gasket is abutted with the inner wall of the valve body.
9. The scroll air compressor of claim 8 having a pressure of 2.5MPa, wherein: the minimum pressure valve further comprises a piston, the piston is arranged in the inner cavity of the valve body and is in sliding connection with the valve body, the piston is connected with the valve core assembly, one end, far away from the valve core assembly, of the piston is provided with an adjusting screw, the adjusting screw is in threaded connection with the valve body, a piston spring is arranged between the piston and the adjusting screw, one end, close to the valve core assembly, of the piston is sleeved with a valve core spring, and the valve core spring is in butt joint with the valve core assembly.
10. The scroll air compressor of claim 9 having a pressure of 2.5MPa, wherein: the piston is also sleeved with a sealing ring, and the sealing ring is abutted against the inner wall of the valve body; a piston check ring capable of limiting the piston stroke is also arranged in the valve body; the piston is provided with a guide hole, one end of the valve core body, which is far away from the sealing gasket, is provided with a guide rod, and the guide rod is slidably arranged in the guide hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910191798.5A CN109723639B (en) | 2019-03-14 | 2019-03-14 | Vortex air compressor with pressure of 2.5MPa |
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| CN201910191798.5A CN109723639B (en) | 2019-03-14 | 2019-03-14 | Vortex air compressor with pressure of 2.5MPa |
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| CN109723639A CN109723639A (en) | 2019-05-07 |
| CN109723639B true CN109723639B (en) | 2024-06-14 |
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| CN209687709U (en) * | 2019-03-14 | 2019-11-26 | 广州广涡压缩机有限公司 | The scroll type air compressor that a kind of pressure is 2.5MPa |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002227785A (en) * | 2001-02-02 | 2002-08-14 | Nabco Ltd | Rotary type air compressor |
| CN1869514A (en) * | 2006-04-21 | 2006-11-29 | 兰州理工大学 | Gas booster system of miniature gas burner |
| CN204267283U (en) * | 2014-04-29 | 2015-04-15 | 东莞雅迪勤压缩机制造有限公司 | A low-maintenance oil-free scroll silent air compressor |
| JP6285816B2 (en) * | 2014-07-22 | 2018-02-28 | 株式会社Ｓｏｋｅｎ | Compressor |
| CN104929931B (en) * | 2015-07-14 | 2017-10-17 | 力达(中国)机电有限公司 | A kind of vortex air compressor machine and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209687709U (en) * | 2019-03-14 | 2019-11-26 | 广州广涡压缩机有限公司 | The scroll type air compressor that a kind of pressure is 2.5MPa |
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