CN108412724A - Two-stage compressor and mechanized equipment with the two-stage compressor - Google Patents
Two-stage compressor and mechanized equipment with the two-stage compressor Download PDFInfo
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- CN108412724A CN108412724A CN201810451146.6A CN201810451146A CN108412724A CN 108412724 A CN108412724 A CN 108412724A CN 201810451146 A CN201810451146 A CN 201810451146A CN 108412724 A CN108412724 A CN 108412724A
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- compression chamber
- piston
- pressure
- stage compressor
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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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B25/00—Multi-stage pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/066—Cooling by ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of two-stage compressors, including：First compression chamber, is equipped with air intake filter, and the first compression chamber is internally provided with the low-pressure compression device that the low-pressure admission air-flow for air intake filter to be obtained by filtration compresses；Cooler, the low pressure output gas flow of the output for receiving the first compression chamber, and cooled down, cooler is connect with the delivery outlet of the first compression chamber, and is connect with the second compression chamber import；Second compression chamber is internally provided with high pressure compressed device, and the air-flow for exporting cooler compresses；Second compression chamber is connect with cylinder cap delivery outlet；Power plant is sequentially connected with low-pressure compression device, high pressure compressed device respectively.The application structure can generate the compressed media of larger pressure, can be used for medium non-oil ultra high vacuum system, the occasions such as the higher medicine of air degree of purity, oxygen processed industry and new energy vehicular traffic.Disclosed herein as well is a kind of mechanized equipments including above-mentioned two-stage compressor.
Description
Technical field
The present invention relates to compressor design technical fields, more specifically to a kind of two-stage compressor.In addition, this hair
It is bright to further relate to a kind of mechanized equipment including above-mentioned two-stage compressor.
Background technology
Compressor is widely used in the occasions such as industry, vehicle, and existing compressor is mostly oil cooling pattern, in environmental requirement
Increasingly stringent is present, and market needs the compressor of a oil-free.
Compressor generates a large amount of heat during media collapse, especially its compression piston spot temperature meeting
Reach 180~200 DEG C, the bearing portion of connecting rod also can temperature it is higher, this is the key that influence product normal work.Worked
The wearability that sealing ring and cylinder body are improved in journey improves the key that service life is also product design.
The reliability, validity, maintainability of compressor on the market, safety are required to improve at present, prior
It is the working efficiency of compressor, how to promote the discharge capacity of compressor is problem to be solved.
Invention content
In view of this, the object of the present invention is to provide a kind of two-stage compressor, work efficiency is high for the two-stage compressor, defeated
It is larger to go out discharge capacity.
It is a further object of the present invention to provide a kind of mechanized equipments including above-mentioned two-stage compressor.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of two-stage compressor, including：
First compression chamber, air inlet are equipped with air intake filter, and first compression chamber is internally provided with for will be described
The low-pressure compression device that the low-pressure admission air-flow that air intake filter is obtained by filtration is compressed；
Cooler, the low pressure output gas flow of the output for receiving first compression chamber, and cooled down, it is after cooling
High pressure admission air-flow, the cooler are connect with the delivery outlet of first compression chamber；
Second compression chamber is internally provided with high pressure compressed device, the high pressure of the cooler output for that will receive
Charge air flow is compressed；Second compression chamber is connect with cylinder cap delivery outlet；
Power plant, the power plant are sequentially connected with the low-pressure compression device, the high pressure compressed device respectively.
Preferably, the power plant includes two eccentric round platform, the low-pressure compression device and high pressure compressed dress
It is piston rod part to set, and is connected respectively with the corresponding eccentric round platform；
The piston end of the piston rod part and the cavity inner wall circumferential seal where it, the piston end are equipped with connection
Hole is equipped with the air-intake valve plate that can be dug, the cavity delivery outlet on the intercommunicating pore towards the Single port of the cavity delivery outlet
External port be equipped with the exhaust valve plate that can dig.
Preferably, two eccentric round platform are connect by bent axle with shaft coupling, the output of the shaft coupling and motor
End connection, and the stroke of the piston rod part of the piston rod part of the low-pressure compression device and the high pressure compressed device
On the contrary.
Preferably, the piston end of the piston rod part be circumferentially provided with the piston ring of inner wall gluing, sealing and
The guide ring of guiding is provided for piston end movement；The piston end is equipped with adiabatic ring.
Preferably, the piston rod includes：
Piston end；
The end cross of the connecting rod being connect with the eccentric round platform, the connecting rod is socketed needle bearing；
Piston pin is socketed in the needle bearing in the middle part of the piston pin, and the end of the piston pin is rotatable
It is socketed in the piston end, the side of the piston pin is equipped with the adiabatic ring by jacking block and holding screw.
Preferably, the piston end is equipped with axial hole, and the holding screw fixes the jacking block by the axial hole.
Preferably, the needle bearing is equipped with heat safe grease, and the both sides of the needle bearing, which are equipped with, prevents grease from waving
Send out the oil sealing overflowed.
Preferably, the motor is the external motor being arranged outside first compression chamber and second compression chamber,
The motor is connect with the fan assembly for cooling.
Preferably, the air intake filter includes：
It is fixed on the end cover of filter element of the air inlet outer end of first compression chamber, the end cover of filter element is equipped with blow vent,
Backing plate before the blow vent is equipped with air inlet towards one end inside first compression chamber；
It is fixed on the filter core rear cover of the air inlet inner end of first compression chamber, is covered on the venthole of the filter core rear cover
It is useful for limiting the rubber valve that the gas in first compression chamber is flow backwards to the air intake filter, the rubber valve can
It is started on the inside of to compressor；
Air intake filter is set between the end cover of filter element and filter core rear cover.
A kind of mechanized equipment, including compressor, the compressor are two-stage compressor described in any one of the above embodiments.
The process for using of above structure is specially：It is filtered into the fashionable air intake filter that first passes through by air inlet, so
Afterwards by first compression boosting, medium is cooling and second-compressed is boosted, and cylinder body is finally discharged, during this, gas passes through two
Second compression boosts, and is largely compressed.The compression that two-stage compressor provided herein can generate larger pressure is situated between
Matter can be used for medium non-oil ultra high vacuum system, the fields such as the higher medicine of air degree of purity, oxygen processed industry and new energy vehicular traffic
It closes.
Present invention also provides a kind of mechanized equipments including above-mentioned two-stage compressor.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of sectional view of two-stage compressor provided by the present invention；
Fig. 2 is the sectional view of air intake filter；
Fig. 3 is the sectional view of low-pressure compression device；
Fig. 4 is the sectional view of high pressure compressed device.
In Fig. 1-4：
Air inlet A, low-pressure admission air-flow B, low pressure output gas flow C, high pressure admission air-flow D, High voltage output air-flow E, cylinder cap
Delivery outlet F；
Air intake filter 100；Backing plate before air inlet pipe and connector 1, end cover of filter element 2, drive end bearing bracket 3, housing screw 4, air inlet
5, filter core 6, filter core rear cover 7, rubber valve 8；
Low-pressure compression device 200；Low-pressure piston 9, low-pressure piston pin 10, low pressure guide ring 11, low-pressure piston ring 12, low pressure
Exhaust valve plate 13, low pressure limiting plate 14, low-pressure admission valve block 15, the first holding screw 16, the first jacking block 17, low pressure adiabatic ring
18, the first oil sealing 19, the first needle bearing 20, the first grease 21, the first oil outlet 22, low pressure connecting rod 23；
High pressure compressed device 300；High pressure piston 24, high pressure piston pin 25, high pressure guide ring 26, high-pressure piston-ring 27, height
Press limiting plate 28, high pressure gas valve block 29, high pressure admission valve block 30, the second holding screw 31, the second jacking block 32, the second oil sealing
33, the second needle bearing 34, the second grease 35, high pressure adiabatic ring 36, the second oil outlet 37, high-pressure connecting rod 38；
Crankcase 39, sealing plate 40, valve plate 41, sealing plate 42, cylinder cap 43, housing screw 44, fan 45, cooler 46,
Beam 47, first bearing 48, second bearing 49,3rd bearing 50, fourth bearing 51,5th bearing 52, shaft coupling 53, motor
54。
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of two-stage compressor, and work efficiency is high for the two-stage compressor, output displacement compared with
Greatly.
It is a further object of the present invention to provide a kind of mechanized equipments including above-mentioned two-stage compressor.
It is a kind of sectional view of two-stage compressor provided by the present invention to please refer to Fig.1 to Fig. 4, Fig. 1；Fig. 2 is air inlet
Filter the sectional view of device；Fig. 3 is the sectional view of low-pressure compression device；Fig. 4 is the sectional view of high pressure compressed device.
A kind of two-stage compressor provided by the present invention, output displacement is larger, and the occasion used is extensive.Include mainly following
Structure：
First compression chamber, air inlet are equipped with air intake filter 100, and the first compression chamber is internally provided with for by air inlet
The low-pressure compression device 200 that the low-pressure admission air-flow that filter device 100 is obtained by filtration is compressed；
Cooler 46, the low pressure output gas flow of the output for receiving the first compression chamber, and cooled down to obtain high pressure into
Gas air-flow, cooler 46 are connect with the delivery outlet of the first compression chamber；
Second compression chamber is internally provided with high pressure compressed device 300, the high pressure admission for exporting the cooler 46 of reception
Air-flow is compressed；Second compression chamber is connect with cylinder cap delivery outlet；
Power plant, power plant are sequentially connected with low-pressure compression device 200, high pressure compressed device 300 respectively.
It should be noted that above-mentioned two-stage compressor can be an overall structure, a for example, complete cylinder body is asked
With reference to figure 1, wherein there are in cylinder body several cavitys, each cavity by the internal duct and valve part of corresponding flow direction or
Person is connected by external pipeline, and air inlet A, low-pressure admission air-flow B, low pressure output gas flow C, high pressure admission are provided on cylinder body
Air-flow D, High voltage output air-flow E, delivery outlet F；Certainly, above-mentioned two-stage compressor may be split structure, that is, have several
It is a to divide cylinder body, and divide and be correspondingly arranged first compression chamber etc. in cylinder body respectively, several divide between cylinder body through corresponding pipeline and
Valve body connects.
Above-mentioned air inlet is total air inlet of entire cylinder body, and air intake filter 100 is set to air inlet position, for i.e.
The gas for entering cylinder body is filtered, realizes the purification and control to air inlet.
The low-pressure compression device being arranged in first compression chamber is used to compress the filtered gas of air intake filter,
Compress mode can refer to the setting of compression cylinder in the prior art, after the completion of compression, should obtain high pressure gas, then, have
The gas of certain pressure is entered by corresponding connectivity structure in above-mentioned cooler, and cooler is for carrying out it cooling drop
Temperature, becomes high pressure admission air-flow after medium cools down, and high pressure admission air-flow can be entered by pipeline in the second compression chamber.
The high pressure compressed device of above-mentioned second compression chamber setting is similar with the job category of the first compression set, and being used for will be cold
But the high pressure cooling air that device 46 provides carries out compression boosting, refers specifically to second of boosting, and be finally discharged from delivery outlet.
The process for using of above structure is specially：It is filtered into the fashionable air intake filter 100 that first passes through by air inlet,
Then by first compression boosting, medium is cooling and second-compressed is boosted, and cylinder body is finally discharged, during this, gas passes through
Two second compressions boost, and are largely compressed.
In a specific embodiment, referring to FIG. 1, low-pressure admission air-flow B reaches entrance at low-pressure admission valve block 15, warp
Pumping for low pressure piston component is crossed, medium is discharged from low pressure exhaust valve block 13 after being compressed, moves back and forth, medium
It is constantly inhaled into, compresses from air inlet, from the delivery outlet discharge on the first compression chamber, completing to be one stage of compression herein.
Airflow pipeline guiding can be passed through by compressing output gas flow C, into cooler 46, be cooled after heat transferring medium,
As high pressure admission air-flow D.
High pressure admission air-flow D reaches high pressure admission valve block 30, with pumping for high pressure piston component, medium quilt
It is discharged, moves back and forth, medium is constantly inhaled into, compresses, is discharged, and is herein two level pressure from high pressure gas valve block 29 after compression
Contracting.
High voltage output air-flow E is exported from the cylinder cap delivery outlet F of cylinder cap 43, and the two stages of compression process of such medium is completed.
Two-stage compressor provided herein can generate the compressed media of larger pressure, can be used for medium oil-free
Change, the occasions such as the higher medicine of air degree of purity, oxygen processed industry and new energy vehicular traffic.
On the basis of above-described embodiment, power plant includes bent axle, if there are two eccentric round platform, low-pressure compression device
200 and high pressure compressed device 300 be piston rod part, and respectively with corresponding eccentric round platform connect；
The piston end of piston rod part and the cavity inner wall circumferential seal where it, piston end are equipped with intercommunicating pore, connection
On hole the air-intake valve plate that can dig is equipped with towards the Single port of cavity delivery outlet, the external port of cavity delivery outlet is equipped with and can dig
Exhaust valve plate.
It should be noted that the above-mentioned movement for driving piston rod part using eccentric round platform so that piston rod part
Gas in cavity is compressed, is a kind of set-up mode of environment-friendly high-efficiency to obtain the output gas of larger pressure, with
The rotation of eccentric round platform, piston rod part can move up and down therewith, and when it is moved downward, above-mentioned air-intake valve plate can be beaten
It opens, sucks medium.When it is moved upwards, compressed media, air-intake valve plate can close.Eccentric round platform can be driven by motor 54 to be revolved
Turn, eccentric round platform communicates rotational motion to piston rod part by bearing.When piston rod part moves downward, air bleeding valve
Sector-meeting is closed, and when it is moved upwards, exhaust valve plate can be opened, and at this time by compressed medium, is exported from exhaust valve plate.It is above-mentioned
Convert rotational motion can be linear motion by structure, can be avoided heating problem during driving, be passed through eccentric round platform
The structure formed with piston component is readily produced and repairs, and ensures the stability and leakproofness of structure.
On the basis of above-described embodiment, two eccentric round platform are connect by bent axle with shaft coupling 53, shaft coupling 53
It is connect with the output end of motor 54, and the piston of the piston rod part of low-pressure compression device 200 and high pressure compressed device 300 connects
The stroke of bar assembly is opposite.
It please refers to Fig.1, wherein two piston rod parts are driven by a motor 54, and motor 54 can be adopted
The control of the stroke directions of two eccentric round platform is realized with modes such as bent axles.
On the basis of above-described embodiment, the piston end of piston rod part is circumferentially provided with and inner wall gluing, sealing
Piston ring and provide the guide ring of guiding for piston end movement；Or, piston end is equipped with adiabatic ring.
It is sealed using piston ring in the present embodiment, it can be ensured that realize the working effect of piston rod part, and lead
Play the role of auxiliary in the use of piston rod part respectively to ring and adiabatic ring.
On the basis of any one above-mentioned embodiment, piston rod part specifically include piston end, piston pin and with
The connecting rod of eccentric round platform connection.Wherein, the end cross inner sleeve needle bearing of connecting rod；Needle bearing is socketed in the middle part of piston pin
Interior, the end of piston pin is rotatably socketed in piston end, and the side of piston pin is equipped with by jacking block and holding screw
State adiabatic ring.
Optionally, piston end is equipped with axial hole, and holding screw fixes jacking block by axial hole, piston pin is equipped in piston end
The straight slot rotated therewith for jacking block when rotation.
It please refers to Fig.3 and Fig. 4, wherein by the way that rotatable piston pin is arranged in piston end, to carry out adiabatic ring
Peace turns, and in order to ensure the position of adiabatic ring, also sets up above-mentioned straight slot.
On the basis of above-described embodiment, needle bearing is equipped with heat safe grease 35, and the both sides of needle bearing are equipped with
The oil sealing for preventing grease volatilization from overflowing.
In a specific embodiment, two low pressure guide rings 11 are that low-pressure piston 9 provides in low-pressure compression device 200
The guiding of the direction of motion, low-pressure piston ring 12 can be used for the medium-tight of piston compressed media process.
Optionally, low pressure adiabatic ring 18 and the first jacking block 17 can select nonmetallic materials, thermal conductivity very poor.Work as Jie
Matter in compression process, will produce a large amount of heat, and heat can be isolated for low pressure adiabatic ring 18 and the first jacking block 17, be allowed to less
Be transferred to low-pressure piston pin 10.
It is coated with heat safe first grease 21 in first needle bearing 20 and (the second grease is mentioned below, the two can be
Identical grease, label difference are arranged only for distinguishing in different positions), while the first grease 21 is also stored in advance to low pressure
In the endoporus of piston pin 10, and there is the first oil outlet 22.When two-stage compressor provided by the present application works, with low-pressure piston
9 temperature increases, and 20 temperature of the first needle bearing also can accordingly increase, and the first oil sealing 19 is prevented in 20 both sides of the first needle bearing
Only grease volatilization and spilling, after compressor long-term work, if grease is reduced, the first grease of storage in low-pressure piston pin 10
21 meeting supplements appropriate, enable the first needle bearing 20 reliably to work.
When low-pressure piston 9 moves downward, medium can enter from the low-pressure admission valve block 15 on piston, at this time low pressure into
Air valve plate 15 is opened, and low pressure exhaust valve block 13 is closed.When low-pressure piston 9 moves upwards, low-pressure admission valve block 15 is closed, low pressure
Exhaust valve plate 13 is opened, and the one stage of compression of medium is completed.
In high pressure compressed device 300, two high pressure guide rings 26 are that high pressure piston 24 provides motion guide, high-pressure piston-ring
27 are used for the medium-tight of piston compressed media process.
Optionally, high pressure adiabatic ring 36 and the second jacking block 32 are nonmetallic materials, and thermal conductivity is very poor.When medium is compressed
In the process, a large amount of heat is will produce, heat can be isolated, be allowed to less and be transferred to by high pressure adiabatic ring 36 and the second jacking block 32
High pressure piston pin 25.
Be coated with heat safe second grease 35 in second needle bearing 34, at the same the second grease 35 also store in advance it is supreme
In the endoporus of pressing piston pin 24, and there is the second oil outlet 37.When the compressor is operated, as the temperature of high pressure piston 24 increases,
Second needle bearing, 34 temperature also can accordingly increase, and the second oil sealing 33 prevents the second grease 35 in 34 both sides of the second needle bearing
Volatilization and spilling, after compressor long-term work, if grease is reduced, the grease 33 stored in high pressure piston pin 25 can be appropriate
Supplement, enables the second needle bearing 34 reliably to work.
When high pressure piston 24 moves downward, medium can enter from the high pressure admission valve block 30 on valve plate 41, high at this time
It is pressed into the unlatching of air valve plate 30, high pressure gas valve block 29 is closed.When high pressure piston 24 moves upwards, high pressure admission valve block 30 closes
It closes, high pressure gas valve block 29 is opened, and the two-stage compression of medium is completed.
Optionally, one end of low pressure connecting rod 23 is equipped with first bearing 48, and first bearing 48 is installed again to bent axle side.
One end of high-pressure connecting rod 38 is equipped with fourth bearing 51, and fourth bearing 51 is installed again to the other side of bent axle.
Second bearing 49 is installed, second bearing 49 is installed again to the middle part macropore of crankcase 39 on bent axle.
One end of bent axle connects shaft coupling 53, and 53 side of shaft coupling is equipped with 5th bearing 52, and 5th bearing 52 is being installed
To a stomidium of crankcase 39.
The side of shaft coupling 53 connects motor 54, and when motor rotates, torque passes through the transmission of each parts, the rotation of bent axle
Motion change is the up and down motion of two piston components.
In addition, compressor is mounted on by beam 47 on working face.
On the basis of any one above-mentioned embodiment, motor 54 is to be arranged outside the first compression chamber and the second compression chamber
The external motor in portion, motor 54 are connect with the fan assembly for cooling.
Excellent the problems such as in view of fever it should be noted that although above-mentioned motor 54 can also be arranged in cylinder interior
Choosing is arranged in the outside of cylinder body.
Fan 45 is mounted between cooler 46 and crankcase 39, when cooling wind sucks, first cools down cooler 46, then by wind
The heating position for blowing to crankcase 39 keeps compressor operating temperature normal.Fan 45 can be independent by other power supply power supply
Work also can drive fan work by motor 54 by transmission mechanism.
On the basis of any one above-mentioned embodiment, air intake filter 100 includes：
It is fixed on the end cover of filter element 2 of the air inlet outer end of the first compression chamber, end cover of filter element 2 is equipped with blow vent, blow vent
One end inside towards the first compression chamber is equipped with backing plate 5 before air inlet；
It is fixed on the filter core rear cover 7 of the air inlet inner end of the first compression chamber, is covered with and is used on the venthole of filter core rear cover 7
The rubber valve 8 that the gas in the first compression chamber is flow backwards to air intake filter is limited, rubber valve 8 can be lifted to compressor inside
It rises；
Air intake filter is set between end cover of filter element 2 and filter core rear cover 7.
Compressed medium enters from air inlet A, reaches the outer rim of backing plate 5 before air inlet, then reaches the outer ring of filter core 6, is situated between
Matter passes through filtering from the center of filter core 6, then reaches rubber valve 8, completes the filtering of medium.
Optionally, in air intake filter 100, the hole that filter core cover board 2 and housing screw 4 coordinate is the unthreaded hole of non-threaded,
The hole that drive end bearing bracket 3 and housing screw 4 coordinate is threaded, and housing screw 4 is by coordinating the screw thread of drive end bearing bracket 3, by filter core lid
Plate 3 is fixed on drive end bearing bracket 3.Simultaneously because there is extruding force, therefore the pressing filter core 6 tightly of backing plate 5 before filter core rear cover 7 and air inlet
Tightly, make its end face seal, medium is made to be filtered from filter core 6.
Rubber valve 8 is to make medium only to allow to move towards from filter core 6 toward the inside of crankcase 39, does not allow inversely to move towards, carry
High efficiency of inflating.Meanwhile when maintaining, after filter core 6 and its front member are removed, when replacing filter core 6, rubber valve
8 are closed, and are beneficial to protect the inner core of compressor not to be contaminated.
In addition to the primary structure for the two-stage compressor that any one above-mentioned embodiment is provided, the present invention also provides a kind of packets
Include the mechanized equipment of two-stage compressor disclosed in above-described embodiment, the structure of other each sections of the mechanized equipment please refers to existing
Technology, repeats no more herein.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Mechanized equipment provided by the present invention and its two-stage compressor are described in detail above.It is used herein
Principle and implementation of the present invention are described for specific case, and the explanation of above example is only intended to help to understand this
The method and its core concept of invention.It should be pointed out that for those skilled in the art, not departing from this hair
, can be with several improvements and modifications are made to the present invention under the premise of bright principle, these improvement and modification also fall into power of the present invention
In the protection domain that profit requires.
Claims (10)
1. a kind of two-stage compressor, which is characterized in that including：
First compression chamber, air inlet are equipped with air intake filter (100), and first compression chamber is internally provided with for will be described
The low-pressure compression device (200) that the low-pressure admission air-flow that air intake filter (100) is obtained by filtration is compressed；
Cooler (46), the low pressure output gas flow of the output for receiving first compression chamber, and cooled down, it is after cooling
High pressure admission air-flow, the cooler (46) connect with the delivery outlet of first compression chamber, and connect with the second compression chamber import
It connects；
Second compression chamber is internally provided with high pressure compressed device (300), and the cooler (46) for that will receive exports described
High pressure admission air-flow is compressed；Second compression chamber is connect with cylinder cap delivery outlet；
Power plant, the power plant are passed with the low-pressure compression device (200), the high pressure compressed device (300) respectively
Dynamic connection.
2. two-stage compressor according to claim 1, which is characterized in that the power plant includes two eccentric round platform,
The low-pressure compression device (200) and the high pressure compressed device (300) are piston rod part, and respectively with corresponding institute
State eccentric round platform connection；
The piston end of the piston rod part and the cavity inner wall circumferential seal where it, the piston end are equipped with intercommunicating pore,
Be equipped with the air-intake valve plate that can dig towards the Single port of the cavity delivery outlet on the intercommunicating pore, the cavity delivery outlet it is outer
Port is equipped with the exhaust valve plate that can be dug.
3. two-stage compressor according to claim 2, which is characterized in that two eccentric round platform pass through bent axle and connection
Axis device (53) connects, and the shaft coupling (53) connect with the output end of motor (54), and the work of the low-pressure compression device (200)
The stroke for filling in the piston rod part of link assembly and the high pressure compressed device (300) is opposite.
4. two-stage compressor according to claim 3, which is characterized in that the circumferential direction of the piston end of the piston rod part
It is provided with the guide ring that guiding is provided with the piston ring of inner wall gluing, sealing and for piston end movement；The piston end is set
There is adiabatic ring.
5. two-stage compressor according to claim 4, which is characterized in that the piston rod includes：
Piston end；
The end cross of the connecting rod being connect with the eccentric round platform, the connecting rod is socketed needle bearing；
Piston pin is socketed in the needle bearing in the middle part of the piston pin, and the end of the piston pin is rotatably socketed
In in the piston end, the side of the piston pin is equipped with the adiabatic ring by jacking block and holding screw.
6. two-stage compressor according to claim 5, which is characterized in that the piston end is equipped with axial hole, the tightening
Screw fixes the jacking block by the axial hole.
7. according to claim 5 any one of them two-stage compressor, which is characterized in that the needle bearing is equipped with heat safe
Grease (35), the both sides of the needle bearing are equipped with the oil sealing for preventing grease volatilization from overflowing.
8. two-stage compressor according to claim 3, which is characterized in that the motor (54) is setting in first pressure
External motor outside contracting chamber and second compression chamber, the motor (54) connect with the fan assembly for cooling.
9. according to claim 1 to 8 any one of them two-stage compressor, which is characterized in that the air intake filter (100)
Including：
It is fixed on the end cover of filter element (2) of the air inlet outer end of first compression chamber, the end cover of filter element (2) is equipped with ventilation
Mouthful, backing plate (5) before the blow vent is equipped with air inlet towards one end inside first compression chamber；
It is fixed on the filter core rear cover (7) of the air inlet inner end of first compression chamber, the venthole overlying of the filter core rear cover (7)
It is stamped the rubber valve (8) flow backwards to the air intake filter for limiting the gas in first compression chamber, the rubber
Valve (8) can be started to compressor inside；
Air intake filter is set between the end cover of filter element (2) and filter core rear cover (7).
10. a kind of mechanized equipment, including compressor, which is characterized in that the compressor is described in any one of claim 1 to 9
Two-stage compressor.
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| CN201810451146.6A CN108412724A (en) | 2018-05-11 | 2018-05-11 | Two-stage compressor and mechanized equipment with the two-stage compressor |
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| CN109882375A (en) * | 2019-04-10 | 2019-06-14 | 浙江北上新能源科技股份有限公司 | A kind of two-stage compressor |
| CN109973361A (en) * | 2019-03-29 | 2019-07-05 | 天津联科思创科技发展有限公司 | The closed crankcase oil-free air compressor of dual-cooled and its cooling means |
| CN113374670A (en) * | 2021-07-01 | 2021-09-10 | 青岛思锐科技有限公司 | Air compressor |
| CN114508479A (en) * | 2022-01-12 | 2022-05-17 | 瑞立集团瑞安汽车零部件有限公司 | Two-stage compressor and vehicle |
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| CN208416845U (en) * | 2018-05-11 | 2019-01-22 | 浙江北上新能源科技股份有限公司 | Two-stage compressor and mechanized equipment with the two-stage compressor |
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| CN109973361A (en) * | 2019-03-29 | 2019-07-05 | 天津联科思创科技发展有限公司 | The closed crankcase oil-free air compressor of dual-cooled and its cooling means |
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| CN114508479A (en) * | 2022-01-12 | 2022-05-17 | 瑞立集团瑞安汽车零部件有限公司 | Two-stage compressor and vehicle |
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