CN108087280A - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN108087280A CN108087280A CN201711160696.4A CN201711160696A CN108087280A CN 108087280 A CN108087280 A CN 108087280A CN 201711160696 A CN201711160696 A CN 201711160696A CN 108087280 A CN108087280 A CN 108087280A
- Authority
- CN
- China
- Prior art keywords
- oilhole
- cylinder
- dispenser
- air intake
- intake duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
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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
- 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
- F04C18/356—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 outer 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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Abstract
The present invention provides a kind of compressor, including：Housing；Upper cylinder；Middle cylinder；Lower cylinder；Transfiguration switching mechanism；Dispenser；First air intake duct, the first end of the first air intake duct are connected with dispenser, and the second end of the first air intake duct is connected with the second compression chamber, the first oilhole are provided on the first air intake duct, and the first oilhole is located in dispenser；Second air intake duct, the first end of the second air intake duct are connected with dispenser, and the second end of the second air intake duct is connected with the 3rd compression chamber, and the second oilhole is provided on the second air intake duct, and the second oilhole is located in dispenser；Wherein, the first oilhole circulation area is more than the circulation area of the second oilhole.By technical solution provided by the invention, solves the technical issues of cylinder interior oil mass is lost in when three cylinder compressor of the prior art works under twin-tub pattern.
Description
Technical field
The present invention relates to Compressor Technology field, in particular to a kind of compressor.
Background technology
At present, three cylinder positive displacement compressors include two low-pressure cylinders and a high-pressure cylinder, and the compressor is same with three cylinders
The three cylinder patterns of Shi Yunhang and a low-pressure cylinder and a high-pressure cylinder operation, the twin-tub mould of another low-pressure cylinder unloading
Formula.When working under twin-tub pattern, permanent lower cylinder is low pressure, and lower cylinder air entry connects always with dispenser.But this is at present
Roller and eccentric circular under bent axle into oil groove for high pressure, due to the effect of pressure difference so that the refrigeration oil in the oil groove can pass through
Gap between roller and cylinder is leaked into lower cylinder.It is high pressure since the oil groove is permanent, lower cylinder connects perseverance with dispenser and is
Low pressure, then the refrigeration oil in oil groove will endlessly into lower cylinder and then enter in dispenser.
Two air intake ducts are provided with used in three cylinder compressor of the prior art on dispenser, this two air intake ducts point
Middle cylinder and lower cylinder are not passed through, and this two air-breathing bottom of the tube are only provided with an oilhole.When three cylinder compressors are three cylinders
During operation, the refrigeration oil in dispenser passes through cylinder and lower cylinder in this two air-breathing bottom of the tube oilhole suckings.When three cylinders compress
Machine is when twin-tub is run, and since lower cylinder is unloaded state, refrigeration oil will be flowed from lower cylinder toward dispenser direction,
At this point, oil return is only being carried out by root oilhole with the air intake duct of middle cylinders.Under twin-tub pattern, work as in same time
When the amount that lower cylinder refrigeration oil flows into dispenser is more than the freezing oil mass of dispenser inflow middle cylinder, refrigeration oil will be in dispenser
Inside accumulated, and it is more and more, then and the refrigeration oil of cylinder interior will be fewer and fewer.When cylinder interior oil mass is less than certain
When amount, the oil mass of lubricating oil cannot meet the lubricating requirement of Pump Body Parts, and then Pump Body Parts can be caused to wear, so as to
It can affect to compressor reliability and service life.
The content of the invention
The present invention provides a kind of compressor, to solve gas when three cylinder compressor of the prior art works under twin-tub pattern
The technical issues of cylinder interior oil mass is lost in.
The present invention provides a kind of compressor, compressor includes：Housing has receiving cavity；Upper cylinder is arranged on receiving
In cavity, upper cylinder has the first compression chamber；Middle cylinder, is arranged in receiving cavity, and positioned at the lower section of upper cylinder, middle cylinder
With the second compression chamber；Lower cylinder is arranged in receiving cavity, and positioned at the lower section of middle cylinder, lower cylinder has the 3rd compression
Chamber；Transfiguration switching mechanism, is arranged in lower cylinder, and lower cylinder has air-breathing working condition and unloading shape by transfiguration switching mechanism
State；Dispenser；First air intake duct, the first end of the first air intake duct are connected with dispenser, the second end of the first air intake duct and second
Compression chamber connects, and is provided with the first oilhole on the first air intake duct, and the first oilhole is located in dispenser；Second air intake duct, second
The first end of air intake duct is connected with dispenser, and the second end of the second air intake duct is connected with the 3rd compression chamber, is set on the second air intake duct
The second oilhole is equipped with, the second oilhole is located in dispenser；Wherein, the circulation area of the first oilhole is more than the circulating face of the second oilhole
Product.
Further, multiple first oilholes are provided on the first air intake duct, at least one is provided on the second air intake duct
Two oilholes, the quantity of the first oilhole are more than the quantity of the second oilhole.
Further, the aperture of the first oilhole is more than the aperture of the second oilhole.
Further, the first oilhole is arranged on the bottom of dispenser and/or the second oilhole is arranged on the bottom of dispenser.
Further, multiple first oilholes on the first air intake duct are arranged at intervals along the length direction of the first air intake duct.
Further, at least one first oilhole on the first air intake duct is located at the bottom of dispenser.
Further, compressor has low pressure connecting pipeline and middle pressure connecting pipeline, and slide plate is additionally provided in lower cylinder, sliding
Piece is movably disposed in the 3rd compression chamber, and transfiguration switching mechanism includes：Pin, one end of pin are movably disposed at down
In cylinder, the other end of pin is arranged in the lower flange of compressor, pin have limitation slide plate movement restriction site and
Position is avoided, there is back pressure chamber below pin, low pressure connecting pipeline and middle pressure connecting pipeline connect respectively with back pressure chamber；Control
Valve, for controlling back pressure chamber with low pressure connecting pipeline or being connected with middle pressure connecting pipeline；Spring connects respectively with pin and lower flange
It connects.
Further, control valve includes solenoid valve.
Further, compressor further includes：Bent axle, has multiple eccentric parts, multiple eccentric parts and upper cylinder, middle cylinder with
And lower cylinder is corresponded and set.
Further, compressor further includes：Fixed frame is arranged in dispenser, and fixed frame is used to fix the first air intake duct
With position of second air intake duct in dispenser.
It applies the technical scheme of the present invention, which includes：Housing, upper cylinder, middle cylinder, lower cylinder, transfiguration switching
Mechanism, dispenser, the first air intake duct and the second air intake duct.Wherein, housing has receiving cavity.Upper cylinder is arranged on receiving cavity
It is interior, and upper cylinder has the first compression chamber.Middle cylinder is arranged in receiving cavity, and positioned at the lower section of upper cylinder, middle cylinder tool
There is the second compression chamber.Lower cylinder is arranged in receiving cavity, and positioned at the lower section of middle cylinder, lower cylinder has the 3rd compression chamber.
Transfiguration switching mechanism is arranged in lower cylinder, and lower cylinder has air-breathing working condition and unloaded state by transfiguration switching mechanism.
The first end of first air intake duct is connected with dispenser, and the second end of the first air intake duct is connected with the second compression chamber, the first air intake duct
On be provided with the first oilhole, and the first oilhole is located in dispenser.The first end of second air intake duct is connected with dispenser, and second inhales
The second end of tracheae is connected with the 3rd compression chamber, and the second oilhole is provided on the second air intake duct, and the second oilhole is located in dispenser.
Meanwhile first oilhole circulation area be more than the second oilhole circulation area.
Using compressor provided by the invention, when three cylinder compressors are when twin-tub pattern works, lower cylinder is in unloading shape
State, lower cylinder perseverance be low pressure, lower roller and eccentric circular under bent axle into oil groove be high pressure, under the action of pressure difference, the oil groove
Interior refrigeration oil can be leaked by the gap between lower roller and cylinder in lower cylinder, and is passed through the second air intake duct and entered point
In liquid device.At this point, only oil return can be carried out with the first oilhole on the first air intake duct of middle cylinders.By oily by first
The circulation area in hole is set greater than the circulation area of the second oilhole, can increase the refrigeration oil in cylinder in being entered by dispenser
Oil mass so that from dispenser inflow in cylinder refrigeration oil oil mass be more than from lower cylinder flow into dispenser refrigeration oil oil
Amount is asked so as to solve the technology that cylinder interior oil mass is lost in when three cylinder compressor of the prior art works under twin-tub pattern
Topic.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows the structure diagram of the compressor provided according to embodiments of the present invention；
Fig. 2 shows the structure diagram of the dispenser provided according to embodiments of the present invention.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, housing；20th, upper cylinder；30th, middle cylinder；40th, lower cylinder；50th, dispenser；60th, the first air intake duct；61st, first
Oilhole；70th, the second air intake duct；71st, the second oilhole；80th, bent axle；90th, fixed frame.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, belong to the scope of protection of the invention.
As shown in Figure 1 to Figure 2, an embodiment of the present invention provides a kind of compressor, which includes：Housing 10, upper gas
Cylinder 20, middle cylinder 30, lower cylinder 40, transfiguration switching mechanism, dispenser 50, the first air intake duct 60 and the second air intake duct 70.Wherein,
Housing 10 has receiving cavity.Upper cylinder 20 is arranged in receiving cavity, and upper cylinder 20 has the first compression chamber.Middle cylinder 30
It is arranged in receiving cavity, and positioned at the lower section of upper cylinder 20, middle cylinder 30 has the second compression chamber.Lower cylinder 40 is arranged on appearance
It receives in cavity, and positioned at the lower section of middle cylinder 30, lower cylinder 40 has the 3rd compression chamber.Transfiguration switching mechanism is arranged on lower cylinder
In 40, lower cylinder 40 has air-breathing working condition and unloaded state by the switching of transfiguration switching mechanism.The of first air intake duct 60
One end is connected with dispenser 50, and the second end of the first air intake duct 60 is connected with the second compression chamber, is provided on the first air intake duct 60
First oilhole 61, and the first oilhole 61 is located in dispenser 50.The first end of second air intake duct 70 is connected with dispenser 50, and second
The second end of air intake duct 70 is connected with the 3rd compression chamber, and the second oilhole 71, the second oilhole 71 are provided on the second air intake duct 70
In in dispenser 50.Meanwhile first oilhole 61 circulation area be more than the second oilhole 71 circulation area.
Using compressor provided by the invention, when three cylinder compressors are when twin-tub pattern works, lower cylinder 40 is in unloading
State, lower cylinder 40 is permanent for low pressure, 80 time eccentric circulars of lower roller and bent axle into oil groove be high pressure, under the action of pressure difference,
Refrigeration oil in the oil groove can be leaked by the gap between lower roller and cylinder in lower cylinder 40, and by the of lower cylinder 40
Two air intake ducts 70 are entered in dispenser 50.Under twin-tub pattern, the flow direction of refrigeration oil as shown in black arrow in Fig. 1,
At this point, the first oilhole 61 on the first air intake duct 60 being only connected with middle cylinder 30 can carry out oil suction.By oily by first
The circulation area in hole 61 is set greater than the circulation area of the second oilhole 71, can increase from the inflow of dispenser 50 in cylinder 30
Refrigeration oil oil mass so that from dispenser 50 inflow in cylinder 30 refrigeration oil oil mass be more than from lower cylinder 40 flow into liquid separation
The oil mass of the refrigeration oil of device 50, so as to solve cylinder interior when three cylinder compressor of the prior art works under twin-tub pattern
The technical issues of oil mass is lost in.
Using compressor provided by the invention, by increasing the circulation area of the first oilhole 61, add from dispenser 50
The oil mass of the refrigeration oil of middle cylinder 30 is flowed into, so that the oil mass of the refrigeration oil of cylinder 30 is more than under from the inflow of dispenser 50
Cylinder 40 flows into the oil mass of the refrigeration oil of dispenser 50, so that cylinder interior has enough oil masses, to ensure Pump Body Parts
Lubricating requirement, the abrasion of Pump Body Parts is reduced, so as to improve the reliability of the compressor and service life.
In order to make the oil mass of the refrigeration oil of cylinder 30 from the inflow of dispenser 50 under twin-tub pattern more, can be inhaled first
Multiple first oilholes 61 are provided on tracheae 60, are provided at least one second oilhole 71 on the second air intake duct 70, and by first
The quantity of oilhole 61 is more than the quantity of the second oilhole 71, to ensure that the oil mass of the refrigeration oil of cylinder 30 from the inflow of dispenser 50 is big
In the oil mass for the refrigeration oil that dispenser 50 is flowed into from lower cylinder 40.
When compressor works under twin-tub pattern, gas in more being flowed into for the oil mass for making refrigeration oil in dispenser 50
In cylinder 30, the aperture of the first oilhole 61 can be set greater than to the aperture of the second oilhole 71, to ensure to be flowed by dispenser 50
The oil mass of the refrigeration oil of middle cylinder 30 is more than the oil mass that lower cylinder 40 flows into the refrigeration oil of dispenser 50, so that Pump Body Parts obtain
To sufficient lubrication.
It is preferably flowed into for the ease of the refrigeration oil in dispenser 50 in cylinder, the first oilhole 61 can be arranged on liquid separation
The bottom of device 50；Or the second oilhole 71 is arranged on to the bottom of dispenser 50；Or the first oilhole 61 is arranged on dispenser
50 bottom, while the second oilhole 71 is arranged on to the bottom of dispenser 50.The first oilhole 61 will be arranged in the present embodiment
The bottom of dispenser 50, while the second oilhole 71 is arranged on to the bottom of dispenser 50.Using such setting, compressor is double
When working under cylinder pattern, when the bottom of dispenser 50, accumulation has refrigeration oil, refrigeration oil can be flowed into time in middle cylinder 30, with
Ensure there are enough oil masses in compressor.
When compressor in the present embodiment works under three cylinder patterns, middle cylinder 30 and lower cylinder 40 are in high pressure shape
State, the refrigeration oil in dispenser 50 are constantly accumulated, when the oil mass of the refrigeration oil in dispenser 50 is more than the height of the first oilhole 61
When spending, the oil mass of the refrigeration oil in dispenser 50 will be flowed by the first oilhole 61 in middle cylinder 30, when cold in dispenser 50
When the oil mass of frozen oil is more than the height of the second oilhole 71, the oil mass of the refrigeration oil in dispenser 50 will be sucked by the second oilhole 71
In lower cylinder 40.Since the first oilhole 61 and the second oilhole 71 are arranged at the bottom of dispenser 50 so that heap in dispenser 50
During long-pending refrigeration oil can be sucked respectively by the first oilhole 61 and the second oilhole 71 in time in cylinder 30 and lower cylinder 40.
It specifically, can be by multiple first oilholes 61 on the first air intake duct 60 along between the length direction of the first air intake duct 60
Every setting.When the compressor works under twin-tub pattern, if entering the oil mass of the refrigeration oil in dispenser 50 by lower cylinder 40
More, at this point, will accumulate more refrigeration oil in dispenser 50, i.e., the height of the refrigeration oil of accumulation is higher in dispenser 50.
Due to being provided with multiple first oilholes 61 along the length direction of the first air intake duct 60, can accelerate refrigeration oil in dispenser 50 into
Enter the speed of middle cylinder 30 so that refrigeration oil more in dispenser 50 can quickly flow into cylinder 30.If lower cylinder 40
When the oil mass of interior refrigeration oil is less, the refrigeration oil of accumulation is less in dispenser 50, i.e., the height of the refrigeration oil of accumulation in dispenser 50
It spends relatively low.At this point, the refrigeration oil in dispenser 50 can be in cylinder 30 in the entrance of slower speed, i.e., refrigeration oil will be from bottom
The first oilhole 61 be sucked into middle cylinder 30 so that lower cylinder 40 flow into dispenser 50 refrigeration oil oil mass be more than dispenser
The oil mass of the refrigeration oil of cylinder 30 in 50 inflows.
In can entering in time for the refrigeration oil for ensureing accumulation in dispenser 50 in cylinder 30, on the first air intake duct 60
At least one first oilhole 61 be located at the bottom of dispenser 50.
In the present embodiment, compressor has low pressure connecting pipeline and middle pressure connecting pipeline.It is additionally provided in lower cylinder 40
Slide plate, slide plate are movably disposed in the 3rd compression chamber.Transfiguration switching mechanism includes：Pin, control valve and spring.Wherein,
One end of pin is movably disposed in lower cylinder 40, and the other end of pin is arranged in the lower flange of compressor, pin tool
The restriction site of restricted slide plate movement and avoidance position, pin lower section have back pressure chamber, and low pressure connecting pipeline and middle pressure connect
Siphunculus road connects respectively with back pressure chamber.Control valve is used to control back pressure chamber with low pressure connecting pipeline or connect with middle pressure connecting pipeline
It is logical.Spring is connected respectively with pin and lower flange.Be additionally provided with pin hole in lower flange in the present embodiment, the pin it is another
End is arranged in the pin hole of lower flange, and the cavity in pin hole below pin is back pressure chamber.
Specifically, control valve includes solenoid valve.The solenoid valve control back pressure chamber is connected with low pressure connecting pipeline or with middle pressure
Pipeline connection, when back pressure chamber is connected with low pressure connecting pipeline, pin will be moved to pin hole direction, and be in the pin
Position is avoided, cylinder works normally at present for this, and compressor is in three cylinder working patterns.When back pressure chamber is connected with middle pressure connecting pipeline
When, at this point, pin one end will be stuck in slide plate, pin is in the restriction site of limitation slide plate movement, makes lower slide plate that can not work,
The unloading of lower cylinder is realized at this time, and compressor is in twin-tub operating mode.
Compressor in the present embodiment further includes bent axle 80, in order to which the compressor is enable to realize that multi-cylinder operates simultaneously, pressure
The bent axle 80 of contracting machine has multiple eccentric parts, and should be by multiple eccentric parts and upper cylinder 20, middle cylinder 30 and lower cylinder 40 1
One is correspondingly arranged.
In order to which the first air intake duct 60 and the second air intake duct 70 is enable to be stably placed in dispenser 50, in the present embodiment
Compressor further includes fixed frame 90, which is arranged in dispenser 50.Dispenser 50 in the present embodiment includes three
First air intake duct 60 is connected by fixed frame 90 with the inner wall of dispenser 50 respectively, the first air intake duct 60 and the second air intake duct 70 connect
Connect, the second air intake duct 70 is connected with the inner wall of dispenser 50 so that the first air intake duct 60 and the second air intake duct 70 can be stablized
Work.In order to which fixed frame 90 is made not influence the flowing of dispenser inside cold oil, oilhole is both provided on three fixed frames, it is cold
Frozen oil is dropped by the oilhole on fixed frame in the bottom of dispenser 50, and is constantly accumulated in bottom.
Using the compressor in the present embodiment, by the circulation area for increasing by the first oilhole 61 so that lower point of twin-tub pattern
During the oil mass of accumulation in liquid device 50 can be flowed into quickly in cylinder 30, to increase the freezing of the cylinder 30 from the inflow of dispenser 50
The oil mass of oil, so that the oil mass of the refrigeration oil of cylinder 30 is more than the cold of the inflow dispenser 50 of lower cylinder 40 in the inflow of dispenser 50
The oil mass of frozen oil, to ensure that cylinder interior has enough oil masses so that Pump Body Parts can sufficiently be lubricated.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Unless specifically stated otherwise, the component and positioned opposite, the digital table of step otherwise illustrated in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to be drawn according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely illustrative, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It need not be further discussed in figure.
In the description of the present invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and close
System is for only for ease of the description present invention and simplifies description, and in the case where not making explanation on the contrary, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore cannot manage
It solves as limiting the scope of the invention；The noun of locality " inside and outside " refers to compared with inside and outside each component profile in itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that spatially relative term is intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be convenient for using the words such as " first ", " second "
Corresponding parts are distinguished, such as without Stated otherwise, above-mentioned word is there is no particular meaning, therefore it is not intended that this
The limitation of invention protection domain.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of compressor, which is characterized in that including：
Housing (10) has receiving cavity；
Upper cylinder (20), is arranged in the receiving cavity, and the upper cylinder (20) has the first compression chamber；
Middle cylinder (30), is arranged in the receiving cavity, and positioned at the lower section of the upper cylinder (20), the middle cylinder (30)
With the second compression chamber；
Lower cylinder (40), is arranged in the receiving cavity, and positioned at the lower section of the middle cylinder (30), the lower cylinder (40)
With the 3rd compression chamber；
Transfiguration switching mechanism is arranged in the lower cylinder (40), and the lower cylinder (40) has by the transfiguration switching mechanism
There are air-breathing working condition and unloaded state；
Dispenser (50)；
First air intake duct (60), the first end of first air intake duct (60) are connected with the dispenser (50), and described first inhales
The second end of tracheae (60) is connected with second compression chamber, and the first oilhole (61) is provided on first air intake duct (60),
And first oilhole (61) is located in the dispenser (50)；
Second air intake duct (70), the first end of second air intake duct (70) are connected with the dispenser (50), and described second inhales
The second end of tracheae (70) is connected with the 3rd compression chamber, and the second oilhole (71) is provided on second air intake duct (70),
Second oilhole (71) is located in the dispenser (50)；
Wherein, the circulation area of first oilhole (61) is more than the circulation area of second oilhole (71).
2. compressor according to claim 1, which is characterized in that be provided on first air intake duct (60) multiple described
First oilhole (61) is provided at least one second oilhole (71), first oilhole on second air intake duct (70)
(61) quantity is more than the quantity of second oilhole (71).
3. compressor according to claim 1, which is characterized in that the aperture of first oilhole (61) is more than described second
The aperture of oilhole (71).
4. compressor according to claim 1, which is characterized in that first oilhole (61) is arranged on the dispenser
(50) bottom and/or second oilhole (71) is arranged on the bottom of the dispenser (50).
5. compressor according to claim 2, which is characterized in that multiple described first on first air intake duct (60)
Oilhole (61) is arranged at intervals along the length direction of first air intake duct (60).
6. compressor according to claim 5, which is characterized in that at least one described on first air intake duct (60)
First oilhole (61) is located at the bottom of the dispenser (50).
7. compressor according to claim 1, which is characterized in that there is the compressor low pressure connecting pipeline and middle pressure to connect
Siphunculus road, the lower cylinder (40) is interior to be additionally provided with slide plate, and the slide plate is movably disposed in the 3rd compression chamber,
The transfiguration switching mechanism includes：
Pin, one end of the pin are movably disposed in the lower cylinder (40), and the other end of the pin is arranged on
In the lower flange of the compressor, the pin has the restriction site for limiting the slide plate movement and avoids position, described
There is back pressure chamber, the low pressure connecting pipeline and medium pressure connecting pipeline connect respectively with the back pressure chamber below pin；
Control valve, for the back pressure chamber to be controlled to be connected with the low pressure connecting pipeline or with medium pressure connecting pipeline；
Spring is connected respectively with the pin and the lower flange.
8. compressor according to claim 7, which is characterized in that the control valve includes solenoid valve.
9. compressor according to claim 1, which is characterized in that the compressor further includes：
Bent axle (80) has multiple eccentric parts, multiple eccentric parts and the upper cylinder (20), middle cylinder (30) and lower gas
Cylinder (40), which corresponds, to be set.
10. compressor according to claim 1, which is characterized in that the compressor further includes：
Fixed frame (90) is arranged in the dispenser (50), and the fixed frame (90) is used to fix first air intake duct
(60) and position of second air intake duct (70) in the dispenser (50).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160696.4A CN108087280B (en) | 2017-11-20 | 2017-11-20 | Compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160696.4A CN108087280B (en) | 2017-11-20 | 2017-11-20 | Compressor |
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| CN108087280A true CN108087280A (en) | 2018-05-29 |
| CN108087280B CN108087280B (en) | 2019-02-05 |
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| CN201711160696.4A Active CN108087280B (en) | 2017-11-20 | 2017-11-20 | Compressor |
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| CN (1) | CN108087280B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197576A (en) * | 2019-12-30 | 2020-05-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable-capacity compressor and air conditioner |
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| JP6070069B2 (en) * | 2012-10-30 | 2017-02-01 | 株式会社富士通ゼネラル | Rotary compressor |
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| JP2011122556A (en) * | 2009-12-14 | 2011-06-23 | Mitsubishi Heavy Ind Ltd | Compressor |
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| CN111197576A (en) * | 2019-12-30 | 2020-05-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable-capacity compressor and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN108087280B (en) | 2019-02-05 |
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