CN207363880U - Compressor - Google Patents
Compressor Download PDFInfo
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- CN207363880U CN207363880U CN201721291359.4U CN201721291359U CN207363880U CN 207363880 U CN207363880 U CN 207363880U CN 201721291359 U CN201721291359 U CN 201721291359U CN 207363880 U CN207363880 U CN 207363880U
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Abstract
The utility model discloses a kind of compressor, compressor includes housing and compression mechanism, and compression mechanism includes first order cylinder, second level cylinder, middle partition plate, clutch shaft bearing and second bearing.First order compression chamber is limited in first order cylinder, second level compression chamber is limited on the cylinder of the second level.Middle partition plate is folded between first order cylinder and second level cylinder, and clutch shaft bearing coordinates to be coordinated in the side of the remote middle partition plate of second level cylinder in the side of the remote middle partition plate of first order cylinder, second bearing.Wherein, housing and middle partition plate, clutch shaft bearing, first order cylinder periphery wall between limit middle pressure chamber, middle pressure chamber is connected with the exhaust outlet of first order compression chamber and the air entry of second level compression chamber respectively, the side for being located at the remote middle pressure chamber of clutch shaft bearing in housing is motor cavity, and motor cavity is the low pressure chamber being spaced with middle pressure chamber.According to the compressor of the utility model embodiment, the compression efficiency of compressor is improved, and make it that the structure of compressor is more compact.
Description
Technical field
It the utility model is related to compressor apparatus field, more particularly to a kind of compressor.
Background technology
In existing high-low pressure segmentation two-stage compressor, otherwise be high pressure chest in compression case body, or be low pressure chamber or
Middle pressure chamber structure, refrigerant entirety intermediate links are simultaneously unreasonable.To improve this present situation, some materials of correlation technique propose shell
The split-compressor structure of internal high-low pressure segmentation.This split-compressor structure, by motor side in housing and pump housing side
Separate, the refrigerant of pump housing discharge is no longer discharged from motor side, and is simply discharged from pump housing side, such refrigerant stroke
Greatly shorten, it also avoid refrigerant influences caused by motor.But in this structure, the exhaust passage of compression mechanism is still
Longer, exhaust resistance is larger and the structure of compression mechanism is not compact, has certain room for improvement.
Utility model content
The utility model is intended at least solve one of technical problem existing in the prior art.For this reason, the utility model carries
Go out a kind of compressor, the exhaust passage of the compressor is shorter, exhaust resistance is smaller, and the structure of compressor is more compact.
According to the compressor of the utility model embodiment, including：Housing；Compression mechanism, the compression mechanism include：First
Level cylinder, limits first order compression chamber in the first order cylinder；Second level cylinder, limits on the second level cylinder
Two-stage compression chamber；Middle partition plate, the middle partition plate are folded between the first order cylinder and the second level cylinder；First axle
Hold, the clutch shaft bearing coordinates in the side of the remote middle partition plate of the first order cylinder；Second bearing, second axis
Hold and coordinate in the side of the remote middle partition plate of the second level cylinder；Wherein, the housing and the middle partition plate, described the
One bearing, the first order cylinder periphery wall between limit middle pressure chamber, medium pressure chamber is compressed with the first order respectively
The exhaust outlet of chamber is connected with the air entry of the second level compression chamber.
According to the compressor of the utility model embodiment, since clutch shaft bearing had both played the work of support compressor crank shaft
With by playing the role of enclosure interior being separated into low pressure chamber and middle pressure chamber, reducing flowing of the refrigerant between two cylinders
Stroke, improves the compression efficiency of compressor, and make it that the structure of compressor is more compact.
In certain embodiments, the side of the remote medium pressure chamber in the housing positioned at the clutch shaft bearing is motor
Chamber, the motor cavity are the low pressure chamber being spaced with medium pressure chamber.
In certain embodiments, the compressor, further includes：The muffler being connected in the second bearing, it is described
Silencing cavity, the silencing cavity and the exhaust outlet phase of the second level compression chamber are limited between muffler and the second bearing
Even.
In certain embodiments, at least side of the compression mechanism in the axial direction of the first order cylinder is equipped with exhaust
Passage, exhaust outlet of the exhaust passage respectively with medium pressure chamber and the first order compression chamber connect.
Specifically, the compressor, further includes：Exhaust partition, the exhaust partition are located at the clutch shaft bearing and institute
Between stating first order cylinder, and/or, the exhaust partition is located between the middle partition plate and the first order cylinder；The row
Air bound plate is equipped with the exhaust outlet of the first order cylinder, and the exhaust partition, which is equipped with, is used for first order cylinder described in folding
First valve block of exhaust outlet.
In some optional embodiments, the exhaust partition be located at the clutch shaft bearing and the first order cylinder it
Between, the first separate space is limited between the clutch shaft bearing and the exhaust partition, first separate space forms the exhaust passage
At least a portion.
In some optional embodiments, the exhaust partition is located between the middle partition plate and the first order cylinder,
Middle separate space is limited between the middle partition plate and the exhaust partition, the middle separate space forms at least one of the exhaust passage
Point.
Specifically, the middle partition plate be equipped with second compression chamber air entry, the middle partition plate and it is described exhaust every
The air intake passage connected with medium pressure chamber is limited between plate.
In certain embodiments, the exhaust outlet of first compression chamber is formed on the perisporium of the first order cylinder.
In certain embodiments, be formed as high positioned at the part of the remote medium pressure chamber of the middle partition plate in the housing
Chamber is pressed, the high pressure chest is connected with the air entry of the second level compression chamber.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly by from following description
In become obvious, or recognized by the practice of the utility model.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the overall structure figure of the compression mechanism of the compressor of the utility model one embodiment.
Fig. 2 is the overall structure figure of the compression mechanism of the compressor of the utility model another embodiment.
Fig. 3 is the structure diagram of the exhaust partition of the utility model embodiment.
Fig. 4 is the complete machine structure schematic diagram of the compressor of the utility model one embodiment.
Fig. 5 is the complete machine structure schematic diagram of another embodiment compressor of the utility model.
Reference numeral：
Compression mechanism 1, motor 2, first order cylinder 10, second level cylinder 20, middle partition plate 30, clutch shaft bearing 40, the second axis
Hold 50, exhaust partition 60, the first valve block 610, bent axle 70, second exhaust partition plate 80,
Rotary compressor 1000, pump housing chamber 100, motor cavity 200, low pressure chamber 300, middle pressure chamber 400, high pressure chest 500, shell
Body 600.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that to the utility model
Limitation.
Concrete structure below with reference to Fig. 1-Fig. 5 descriptions according to the compressor 1000 of the utility model embodiment.
As Figure 1-Figure 5, housing 600 and compression mechanism 1 are included according to the compressor 1000 of the utility model embodiment.
Compression mechanism 1 includes：First order cylinder 10, second level cylinder 20, middle partition plate 30, clutch shaft bearing 40 and second bearing 50.First
First order compression chamber is limited in level cylinder 10, second level compression chamber is limited on second level cylinder 20.Middle partition plate 30 is folded in
Between first order cylinder 10 and second level cylinder 20.Clutch shaft bearing 40 coordinates the one of the remote middle partition plate 30 of first order cylinder 10
Side, second bearing 50 coordinate in the side of the remote middle partition plate 30 of second level cylinder 20.Wherein, housing 600 and middle partition plate 30, the
One bearing 40, first order cylinder 10 periphery wall between limit middle pressure chamber 400, middle pressure chamber 400 respectively with first order compression chamber
Exhaust outlet be connected with the air entry of second level compression chamber, in housing 600 positioned at clutch shaft bearing 10 remote middle pressure chamber 400 one
Side is motor cavity 200, and motor cavity 200 is the low pressure chamber 300 being spaced with middle pressure chamber 400.
It should be noted that refrigerant enters via the air entry of first order cylinder 10, pressed in first order cylinder 10
Exhaust outlet through first order cylinder 10 after contracting enters middle pressure chamber 400, due to middle pressure chamber 400 and the air entry phase of second level cylinder 20
Even, therefore from the exhaust outlet of first order cylinder 10 refrigerant discharged can be directly via middle pressure chamber 400 from second level cylinder 20
Air entry enters second level cylinder 20 to carry out the second second compression.
It is understood that since middle pressure chamber 400 is only located at the side of partition plate 30 in the direction of clutch shaft bearing 40, this meaning
And any exhausting-gas hole be not provided with clutch shaft bearing 40, that is to say, that formd between clutch shaft bearing 40 and housing 600 one it is close
The space closed.Therefore, clutch shaft bearing 40 plays the role of two in compressor 1000 herein, first, as bent axle 70
Supporting structure；Second, disconnected motor cavity 200 and pump housing chamber 100 will be separated into housing 600.Thus, refrigerant is via
It can only flow and cannot enter in the confined space that clutch shaft bearing 40 is formed with housing 600 after the exhaust outlet discharge of level-one cylinder 10
Motor cavity 200.The distance that refrigerant is flowed to second level cylinder 20 by first order cylinder 10 is shortened, reduces refrigerant in two cylinders
Between flowing stroke, improve the efficiency of compression mechanism 1 and that compression mechanism 1 is designed be more compact.
Additional description is needed, if being not provided with middle pressure chamber 400, then then needed in 1 operational process of compression mechanism
The exhaust outlet of first order cylinder 10 and the air inlet of second level cylinder 20 are opened at the same time, and such Synchronization Control is complex.And
The setting of middle pressure chamber 400 can play the cushioning effect of temporarily storage refrigerant, the delivery space of increase first order cylinder 10.Specifically
For, when the exhaust open of first order cylinder 10 and the air inlet of second level cylinder 20 are not opened also, refrigerant can be temporary transient
It is stored in middle pressure chamber 400, alleviates pressure of the refrigerant to parts such as cylinder wall, middle partition plates 30, improve compression mechanism 1 can
By property.And the air-breathing pulsation of second level cylinder 20 can be reduced, reduce the work noise of compressor 1000, lift compressor
1000 efficiency.
According to the compressor 1000 of the utility model embodiment, since clutch shaft bearing 40 had both played the work of support bent axle 70
With by playing the role of that low pressure chamber 300 and middle pressure chamber 400 will be separated into inside housing 600, reducing refrigerant in two cylinders
Between flowing stroke, improve the compression efficiency of compressor 1000, and make it that the structure of compressor 1000 is more compact.
In certain embodiments, as shown in fig. 4-5, compressor 1000 further includes the noise reduction being connected in second bearing 50
Device 90, limits silencing cavity 910, silencing cavity 910 and the exhaust outlet of second level compression chamber between muffler 90 and second bearing 50
It is connected.Thus, it is possible to reduce the exhaust noise of compressor 1000, user's usage comfort is improved.
In certain embodiments, at least side of the compression mechanism 1 in the axial direction of first order cylinder 10 is equipped with exhaust passage.
Exhaust outlet of the exhaust passage respectively with middle pressure chamber 400 and first order compression chamber connects.It should be noted that exhaust passage is at least set
There are three kinds of situations in the axial side of first order cylinder 10, first, the exhausting-gas hole of first order cylinder 10 is located at first order cylinder
10 towards in partition plate 30 side, at this time exhaust passage be entirely located in the side of the partition plate 30 in of first order cylinder 10；Second,
The exhausting-gas hole of first order cylinder 10 is located at the side towards clutch shaft bearing 40 of first order cylinder 10, at this time exhaust passage part position
In first order cylinder 10 towards the side of clutch shaft bearing 40, but since exhaust passage is connected with the air inlet of second level cylinder 20
It is logical, thus in this case exhaust passage must some be located at the side of the partition plate 30 in of first order cylinder 10；Third,
The exhausting-gas hole of first order cylinder 10 is respectively provided at the both sides of first order cylinder 10, and exhaust passage part is located at first order cylinder at this time
10 are located at the side of the partition plate 30 in of first order cylinder 10 towards the side of clutch shaft bearing 40, another part.That is,
In the embodiment of the utility model, there is no exhaust passage to be only positioned at first order cylinder 10 towards the side of clutch shaft bearing 40.When
A part for right exhaust passage can also be located at the radial outside of the periphery wall of first order cylinder 10, in this case, exhaust
Passage also there will necessarily be the part along the axial side of first order cylinder 10.In conclusion user can design according to actual conditions
The position of exhaust passage, is better achieved the purpose for shortening refrigerant exhaust passage and reducing 1 size of compression mechanism.
In certain embodiments, compressor 1000 further includes exhaust partition 60, exhaust partition 60 be located at clutch shaft bearing 40 with
Between first order cylinder 10 or exhaust partition 60 is located between middle partition plate 30 and first order cylinder 10, and exhaust partition 60 is equipped with
The exhaust outlet of first order cylinder 10, exhaust partition 60 are equipped with the first valve block of the exhaust outlet for folding first order cylinder 10
610。
Specifically, exhaust partition 60 is located between middle partition plate 30 and first order cylinder 10, middle partition plate 30 and exhaust partition 60
Between limit middle separate space, middle separate space forms a part for exhaust passage.It is understood that middle separate space can also play temporarily
The effect for the refrigerant discharged by first order cylinder 10 is stored, improves the reliability of compression mechanism 1.Need additional description when,
When exhaust partition 60 is located between middle partition plate 30 and first order cylinder 10, exhaust partition 60 can be formed as the one of middle partition plate 30
Part, can be single component, and when 60 separate parts of exhaust partition, middle pressure chamber can be by exhaust partition 60, the first order
Cylinder wall, housing 600 and the clutch shaft bearing 40 of cylinder 10, which limit, to be formed, can also be by middle partition plate 30, the gas of first order cylinder 10
Casing wall, housing 600 and clutch shaft bearing 40 are limited and formed.
Specifically, exhaust partition 60 is located between clutch shaft bearing 40 and first order cylinder 10, clutch shaft bearing 40 and exhaust every
The first separate space is limited between plate 60, the first separate space forms a part for exhaust passage.It is understood that the first separate space also may be used
To play the role of temporarily storing the refrigerant discharged by first order cylinder 10, the reliability of compression mechanism 1 is improved.
In certain embodiments, middle partition plate 30 is equipped with the air entry of the second compression chamber, middle partition plate 30 and exhaust partition 60
Between limit for middle pressure chamber 400 connect air intake passage.Need exist for explanation, according to be described above exhaust passage with inhale
Gas passage is in the same side of clutch shaft bearing 40, but the combination of exhaust passage and air intake passage specific location have it is a variety of.
For example, in the embodiment having, exhaust passage is located at first order cylinder 10 and is located at towards the side of clutch shaft bearing 40, air intake passage
Second level cylinder 20 is towards the side of second bearing 50.In another example in the embodiment having, exhaust passage is located at first order cylinder
The side of partition plate 30, air intake passage are located at the side of the partition plate 30 in of second level cylinder 20 in 10 directions.Certain exhaust passage
It is also a variety of with the combination of air intake passage position, do not enumerate herein.
In certain embodiments, the part of the remote middle pressure chamber 400 in housing 600 positioned at middle partition plate 30 is formed as high pressure chest
500, high pressure chest 500 is connected with the air entry of second level compression chamber.
The compression mechanism 1 of the compressor 1000 of two specific embodiments of the utility model is described below with reference to Fig. 1-Fig. 3.
Embodiment 1：
As shown in Figure 1, the compression mechanism 1 of the compressor of the present embodiment includes clutch shaft bearing 40, second bearing 50, the first order
Cylinder 10, second level cylinder 20, middle partition plate 30, exhaust partition 60 and bent axle 70.Bent axle 70 sequentially passes through clutch shaft bearing 40, exhaust
Partition plate 60, first order cylinder 10, middle partition plate 30, second level cylinder 20 and second bearing 50.The exhaust outlet of first order cylinder 10 is set
In first order cylinder 10 close to the side of clutch shaft bearing 40.The exhaust outlet of first order cylinder 10 and the air inlet of second level cylinder 20
Between interface channel be exhaust passage.
Embodiment 2：
As shown in Fig. 2, the compression mechanism 1 of the compressor of the present embodiment includes clutch shaft bearing 40, second bearing 50, the first order
Cylinder 10, second level cylinder 20, middle partition plate 30, exhaust partition 60 and bent axle 70.Bent axle 70 sequentially passes through clutch shaft bearing 40, first
Level cylinder 10, exhaust partition 60, middle partition plate 30, second level cylinder 20 and second bearing 50.The exhaust outlet of first order cylinder 10 is set
In first order cylinder 10 close to the side of middle partition plate 30.The exhaust outlet of first order cylinder 10 and the air inlet of second level cylinder 20 it
Between interface channel be exhaust passage.
The rotary compressor 1000 of two specific embodiments of the utility model is described below with reference to Fig. 4-Fig. 5.
Embodiment 1：
As shown in figure 4, the rotary compressor 1000 of the present embodiment includes compression mechanism 1, housing 600 and motor 2.
Compression mechanism 1 includes clutch shaft bearing 40, second bearing 50, first order cylinder 10, second level cylinder 20, middle partition plate
30th, exhaust partition 60 and bent axle 70.Bent axle 70 sequentially passes through clutch shaft bearing 40, exhaust partition 60, first order cylinder 10, middle partition plate
30th, second level cylinder 20 and second bearing 50.The exhaust outlet of first order cylinder 10 is located at first order cylinder 10 close to clutch shaft bearing
40 side.Clutch shaft bearing 40 coordinates with housing 600 to form the motor cavity 200 and pump housing chamber 100 that mutually disconnect.Compression mechanism
1 is located in pump housing chamber 100, and motor 2 is located in motor cavity 200.Formed with low pressure chamber 300, first order cylinder 10 in motor cavity 200
Middle pressure chamber 400 is limited with housing 600, second bearing 50 and housing 600 limit high pressure chest 500.
Embodiment 2：
As shown in figure 5, the rotary compressor 1000 of the present embodiment includes compression mechanism 1, housing 600 and motor 2.
Compression mechanism 1 includes clutch shaft bearing 40, second bearing 50, first order cylinder 10, second level cylinder 20, middle partition plate
30th, exhaust partition 60 and bent axle 70.Bent axle 70 sequentially passes through clutch shaft bearing 40, exhaust partition 60, first order cylinder 10, middle partition plate
30th, second level cylinder 20 and second bearing 50.The exhaust outlet of first order cylinder 10 is located at first order cylinder 10 close to middle partition plate 30
Side.Clutch shaft bearing 40 coordinates with housing 600 to form the motor cavity 200 and pump housing chamber 100 that mutually disconnect.Compression mechanism 1
It is located in pump housing chamber 100, motor 2 is located in motor cavity 200.Formed with low pressure chamber 300, first order cylinder 10 in motor cavity 200
Middle pressure chamber 400 is limited with housing 600, second bearing 50 and housing 600 limit high pressure chest 500.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
State and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
Combined in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that the embodiment of the utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from the principle and objective of the utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
- A kind of 1. compressor, it is characterised in that including：Housing；Compression mechanism, the compression mechanism include：First order cylinder, limits first order compression chamber in the first order cylinder；Second level cylinder, limits second level compression chamber on the second level cylinder；Middle partition plate, the middle partition plate are folded between the first order cylinder and the second level cylinder；Clutch shaft bearing, the clutch shaft bearing coordinate in the side of the remote middle partition plate of the first order cylinder；Second bearing, the second bearing coordinate in the side of the remote middle partition plate of the second level cylinder；Wherein,The housing and the middle partition plate, the clutch shaft bearing, the first order cylinder periphery wall between limit middle pressure chamber, Medium pressure chamber is connected with the exhaust outlet of the first order compression chamber and the air entry of the second level compression chamber respectively.
- 2. compressor according to claim 1, it is characterised in that be located at the remote institute of the clutch shaft bearing in the housing The side for stating middle pressure chamber is motor cavity, and the motor cavity is the low pressure chamber being spaced with medium pressure chamber.
- 3. compressor according to claim 1, it is characterised in that further include：The noise reduction being connected in the second bearing Device, limits silencing cavity, the silencing cavity and the row of the second level compression chamber between the muffler and the second bearing Gas port is connected.
- 4. compressor according to claim 1, it is characterised in that axial direction of the compression mechanism in the first order cylinder On at least side be equipped with exhaust passage, the exhaust passage exhaust with medium pressure chamber and the first order compression chamber respectively Mouth connection.
- 5. compressor according to claim 4, it is characterised in that further include：Exhaust partition, the exhaust partition are located at institute State between clutch shaft bearing and the first order cylinder, and/or, the exhaust partition is located at the middle partition plate and the first order gas Between cylinder；The exhaust partition is equipped with the exhaust outlet of the first order cylinder, and the exhaust partition, which is equipped with, to be used for the described in folding First valve block of the exhaust outlet of level-one cylinder.
- 6. compressor according to claim 5, it is characterised in that the exhaust partition be located at the clutch shaft bearing with it is described Between first order cylinder, the first separate space is limited between the clutch shaft bearing and the exhaust partition, first separate space is formed At least a portion of the exhaust passage.
- 7. compressor according to claim 5, it is characterised in that the exhaust partition is located at the middle partition plate and described the Between level-one cylinder, middle separate space is limited between the middle partition plate and the exhaust partition, the middle separate space forms the exhaust At least a portion of passage.
- 8. compressor according to claim 6, it is characterised in that the middle partition plate is equipped with the second level compression chamber Air entry, the air intake passage connected with medium pressure chamber is limited between the middle partition plate and the exhaust partition.
- 9. compressor according to claim 1, it is characterised in that the exhaust outlet of the first order compression chamber is formed in described On the perisporium of first order cylinder.
- 10. according to the compressor any one of claim 1-9, it is characterised in that be located at the interval in the housing The part of the remote medium pressure chamber of plate is formed as high pressure chest, the air entry phase of the high pressure chest and the second level compression chamber Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721291359.4U CN207363880U (en) | 2017-09-30 | 2017-09-30 | Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721291359.4U CN207363880U (en) | 2017-09-30 | 2017-09-30 | Compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207363880U true CN207363880U (en) | 2018-05-15 |
Family
ID=62346752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721291359.4U Active CN207363880U (en) | 2017-09-30 | 2017-09-30 | Compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207363880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595168A (en) * | 2017-09-30 | 2019-04-09 | 广东美芝制冷设备有限公司 | Compressor |
-
2017
- 2017-09-30 CN CN201721291359.4U patent/CN207363880U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595168A (en) * | 2017-09-30 | 2019-04-09 | 广东美芝制冷设备有限公司 | Compressor |
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