CN208364399U - Compressor and its exhaust structure - Google Patents
Compressor and its exhaust structure Download PDFInfo
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- CN208364399U CN208364399U CN201820982985.6U CN201820982985U CN208364399U CN 208364399 U CN208364399 U CN 208364399U CN 201820982985 U CN201820982985 U CN 201820982985U CN 208364399 U CN208364399 U CN 208364399U
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- intermediate bulkhead
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Abstract
The utility model provides a kind of compressor and its exhaust structure, can increase leakproofness when two-stage compressor exhaust, reduce the material cost and process costs of compressor.Exhaust structure therein includes airflow channel and intermediate bulkhead, the intermediate bulkhead is set between the first order cylinder of compressor and second level cylinder, the airflow channel is set in the shell of compressor, gas enters the discharge chamber of intermediate bulkhead after first order cylinder compression, and by entering the airflow channel after discharge chamber discharge, second level cylinder second compression again is then drained by the airflow channel.
Description
Technical field
The utility model relates to compressor, in particular to a kind of exhaust structure.
Background technique
Compressor is a kind of fluid machinery that low-pressure gas is promoted to high pressure gas, is the heart of refrigeration system, is working as
It is widely used in modern air conditioner industry.
It is existing to use two-stage cylinder to realize the compression of gas there are a kind of two-stage compressor, specifically, gas is by the
After level-one cylinder carries out one stage of compression, be discharged by first order discharge chamber, absorbed subsequently into gas flow by second level cylinder and
Realize two-stage compression.
Since the pressure in first order discharge chamber will be lower than the pressure in compression case body, and first order discharge chamber mostly uses
The muffler of sheet metal structural, and the machining accuracy of metal plate is poor, therefore, the gas after one stage of compression when being vented via muffler,
Leakage is serious.For this purpose, need to increase corresponding sealing element, this considerably increases the material cost and process costs of compressor.
Utility model content
In view of this, two-stage can be increased the purpose of this utility model is to provide a kind of compressor and its exhaust structure
Leakproofness when compressor air-discharging reduces the material cost and process costs of compressor.
One aspect according to the present utility model, provides a kind of exhaust structure of compressor, and the compressor includes shell
And the first order cylinder and second level cylinder being disposed in the housing, between the first order cylinder and the second level cylinder
Equipped with intermediate bulkhead, the exhaust structure includes airflow channel and the intermediate bulkhead, and the airflow channel is set to the shell
It is interior；
Wherein, gas enters the discharge chamber of the intermediate bulkhead after the first order cylinder compression, and by the row
Enter the airflow channel after air cavity discharge, second level cylinder second compression again is then drained by the airflow channel.
Preferably, in the exhaust structure, the intermediate bulkhead includes the first daughter board and the second daughter board.
Preferably, in the exhaust structure, first daughter board has a groove, and/or, second daughter board
With a groove.
Preferably, in the exhaust structure, a muffler is provided at the second level cylinder, by described
The compressed gas of secondary cylinder drains into the silencing cavity of the muffler.
Preferably, in the exhaust structure, the first order cylinder is the upper cylinder close to motor, the second level
Cylinder is the lower cylinder far from the motor.
Preferably, in the exhaust structure, a bottom silencer is equipped at the lower cylinder, by the lower cylinder
Compressed gas drains into the silencing cavity of the bottom silencer.
Preferably, in the exhaust structure, the first order cylinder is the lower cylinder far from motor, the second level
Cylinder is the upper cylinder close to the motor.
Preferably, a upper muffler is equipped in the exhaust structure, at the upper cylinder, by the upper cylinder
Compressed gas drains into the silencing cavity of the upper muffler.
Other side according to the present utility model, provides a kind of compressor, including shell and is disposed in the housing
First order cylinder and second level cylinder, intermediate bulkhead, and institute are equipped between the first order cylinder and the second level cylinder
Stating compressor further includes the exhaust structure.
According to technical solution provided by the utility model, the exhaust structure of the compressor includes airflow channel and compressor
Intermediate bulkhead, the airflow channel is set in the shell of compressor, and when actual exhaust air, gas passes through the first order gas of compressor
Cylinder compression after enter the intermediate bulkhead discharge chamber, and by the discharge chamber discharge after enter the airflow channel, then by
The airflow channel drains into the second level cylinder of compressor second compression again.Here, using the discharge chamber of intermediate bulkhead as first
Grade discharge chamber, can not only save the sealing element of existing level-one discharge chamber, and since the machining accuracy of intermediate bulkhead is compared to disappearing
Sound device is high, and therefore, the good airproof performance of first order exhaust reduces leakage, to reduce the material cost and technique of compressor
Cost.
In a preferred embodiment, if first order cylinder is the upper cylinder close to motor, upper cylinder can be cancelled
The upper muffler at place, reduces height of the motor relative to the pump housing with this, reduce compressor enters power, improves the performance of compressor.
In another preferred embodiment, if first order cylinder is the lower cylinder far from motor, disappear under can cancelling at lower cylinder
Sound device, since bottom silencer volume is big, height is high, complete machine height can be reduced by cancelling bottom silencer.
Detailed description of the invention
Attached drawing is not constituteed improper limits to the present invention for more fully understanding the utility model.Wherein:
Fig. 1 is the structural schematic diagram for the compressor that an embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the compressor that another embodiment of the utility model provides.
In figure:
Compressor -10；Upper cylinder -11；Upper cylinder cover -111；Lower cylinder -12；Lower cylinder cap -121；Intermediate bulkhead -13；Exhaust
Chamber -131；Air inlet -132,133；Airflow channel -14；Upper muffler -15；Silencing cavity -151,161；Bottom silencer -16.
Specific embodiment
The compressor and its exhaust structure proposed below in conjunction with the drawings and specific embodiments to the utility model type is made into one
Step is described in detail.According to following explanation, will be become apparent from feature the advantages of the utility model.It should be noted that attached drawing is all made of
Very simplified form and use non-accurate ratio, only to it is convenient, lucidly aid in illustrating the utility model embodiment
Purpose.
As used in this specification, singular "a", "an" and "the" includes plural reference, unless interior
In addition appearance explicitly points out outer.It is as used in this specification, term "or" be usually to include the meaning of "and/or" and into
Enforcement, in addition in addition non-content explicitly points out.
Fig. 1 is the structural schematic diagram for the compressor that an embodiment of the present invention provides, as shown in Figure 1, a kind of compressor
10, specially a kind of duplex cylinder compressor (or can be described as two-spool compressor).Wherein, the compressor 10 includes that shell (is not schemed
Show) and be set to the intracorporal first order cylinder of the shell and second level cylinder, and in figure each arrow instruction be gas stream
Dynamic direction.
As shown in Figure 1, the first order cylinder can be the lower cylinder 12 far from motor, the second level cylinder is close to electricity
The upper cylinder 11 of machine.When the compressor 10 is with respect to the horizontal plane vertically-mounted, the upper cylinder 11 and about 12 lower cylinder
Arrangement, and one piece of intermediate bulkhead 13 is equipped between two cylinders.Here, the upper and lower position of the upper cylinder 11 and lower cylinder 12 is simultaneously
It is not fixed and invariable, can change with the difference of the installation direction of compressor 10, such as by compressor 10 relative to level
When face is horizontally mounted, two cylinders are horizontally disposed, alternatively, when compressor 10 is with respect to the horizontal plane diagonally-installed, then two
Cylinder is accordingly diagonally disposed.Therefore, " upper and lower " herein is not intended as the limit to two cylinder relative positions of the utility model
It is fixed.
Further, the compressor 10 further includes an exhaust structure, and the exhaust structure includes being set to the shell
Interior airflow channel 14 (being indicated with the gas flow paths that arrow is illustrated) and the intermediate bulkhead 13.When actual exhaust air, gas
Body A enters lower cylinder 12, and the discharge chamber 131 of heel row to intermediate bulkhead 13 is compressed by lower cylinder 12, and by 131 row of discharge chamber
To airflow channel 14, upper cylinder 11 is then drained by airflow channel 14 and is compressed.
Here, the discharge chamber 131 using intermediate bulkhead 13 is used as first order discharge chamber, existing level-one row can be not only saved
The sealing element of air cavity, and since the machining accuracy of intermediate bulkhead 13 is high compared to existing muffler, the first order is vented close
Envelope property is good, reduces leakage, and also reduce the material cost and process costs of compressor.Particularly, when first order cylinder
When for lower cylinder 12 far from motor, then it can cancel the bottom silencer at lower cylinder 12, since bottom silencer volume is big, height
Height, therefore, complete machine height can be reduced by cancelling bottom silencer.
Further, a upper muffler 15 is equipped at the upper cylinder 11, so that by the compressed gas of upper cylinder 11
Body drains into the silencing cavity 151 of muffler 15.In this present embodiment, the mountable upper cylinder cover in the upper surface of the upper cylinder 11
111, the upper surface of the upper cylinder 11 is far from lower cylinder 12.The lower cylinder cap 121 in mountable one of the lower end surface of the lower cylinder 12,
The lower end surface of the lower cylinder 12 is far from upper cylinder 11.The upper muffler 15 is set at upper cylinder cover 111.
In this present embodiment, the inside of the intermediate bulkhead 13 is equipped with the discharge chamber 131, the appearance of the discharge chamber 131
Product is preferably greater than or equal to the volume of the silencing cavity 161 of following bottom silencers 16, therefore, the exhaust established on intermediate bulkhead 13
Chamber 131, can guarantee same noise reduction and erasure effect, and even noise reduction and erasure effect is more preferable.
In the present embodiment, the air inlet 132 penetrated through with discharge chamber 131, the lower gas are offered on the intermediate bulkhead 13
The compressed gas of cylinder 12 drains into discharge chamber 131 by air inlet 132.Meanwhile it being additionally provided with and being vented on the intermediate bulkhead 13
The venthole (not shown) that chamber 131 penetrates through, to pass the gas through the venthole discharge discharge chamber 131.
However in addition to the implementation, the first order cylinder can also be for close to the upper cylinder 11 of motor, the second level
Cylinder is the lower cylinder 12 far from motor, specific as shown in Fig. 2, Fig. 2 is the compressor that another embodiment of the utility model provides
Structural schematic diagram, in figure each arrow instruction be gas flow direction.
As shown in Fig. 2, gas A enters upper cylinder 11, and compresses heel row to intermediate bulkhead by upper cylinder 11 when actual exhaust air
13 discharge chamber 131, and airflow channel 14 is drained by discharge chamber 131, lower cylinder 12 is then drained by airflow channel 14 and is pressed
Contracting.Here, when first order cylinder is close to the upper cylinder 11 of motor, then it can cancel the upper muffler at upper cylinder 11, with this
Height of the motor relative to the pump housing is reduced, reduce compressor enters power, improves the performance of compressor.
Further, a bottom silencer 16 is equipped at the lower cylinder 12, so that by the compressed gas of lower cylinder 12
Body drains into the silencing cavity 161 of bottom silencer 16.The bottom silencer 16 is set at lower cylinder cap 121.
In addition, offering the air inlet 133 penetrated through with discharge chamber 131 on the intermediate bulkhead 13, the upper cylinder 11 is pressed
Gas after contracting drains into discharge chamber 131 by air inlet 133.
In addition, in the aforementioned embodiment, the intermediate bulkhead 13 can be formed by two pieces of daughter board stacked on top, respectively first
Daughter board and the second daughter board.When the upper cylinder 11 is as first order cylinder, the side close to the first daughter board of upper cylinder 11 is opened
Equipped with the air inlet 133 penetrated through with discharge chamber 131, the other side of first daughter board open up it is fluted, close to lower cylinder 12
Another groove is offered on second daughter board, two grooves limit jointly forms a discharge chamber 131.Similarly, when the lower cylinder
When 12 conduct first order cylinder, the air inlet penetrated through with discharge chamber 131 is offered close to the side of the second daughter board of lower cylinder 12
132, the other side of second daughter board open up it is fluted, while close to upper cylinder 11 the first daughter board on offer it is another recessed
Slot, which limits jointly forms a discharge chamber 131.However, open up groove the present invention is not limited to two pieces of daughter boards and
The discharge chamber 131 is constituted, in practice, only can also open up the groove for constituting discharge chamber 131 by corresponding one piece of daughter board.
In addition, being preferably equipped with valve mechanism (not shown), the valve mechanism in the upper cylinder 11 or lower cylinder 12
Opening and closing determined by the gas pressure that surface is born；When gas pressure can bear more than or equal to valve mechanism
Maximum pressure when, the valve mechanism is opened；When gas pressure is less than the maximum pressure that valve mechanism can bear, institute
State valve mechanism closing.Specifically, in upper cylinder 11 or lower cylinder 12 gas constantly compressed, upper cylinder 11 or lower cylinder
Gas pressure in 12 is increase accordingly, when the gas buildup being inhaled into a certain extent so that in upper cylinder 11 or lower cylinder 12
Gas pressure reach the maximum pressure that can bear of valve mechanism, the valve mechanism can be opened, and gas will pass through valve
Structure enters corresponding air inlet, and eventually enters into discharge chamber.It is furthermore preferred that the valve mechanism can also prevent it is compressed
Gas backstreaming enters upper cylinder 11 or lower cylinder 12.
Supplementary explanation, the main function of silencing cavity are to reduce compressor air-discharging noise, and certainly, discharge chamber is in addition to exhaust
Outside, compressor air-discharging noise can also be reduced.
Finally, the exhaust structure of the compressor includes air-flow according to technical solution provided by the embodiment of the utility model
The intermediate bulkhead in channel and compressor, the airflow channel is set in the shell of compressor, and when actual exhaust air, gas is through overcompression
Enter the discharge chamber of the intermediate bulkhead after the first order cylinder compression of machine, and by entering the air-flow after discharge chamber discharge
Then channel drains into the second level cylinder of compressor second compression again by the airflow channel.Here, using the exhaust of intermediate bulkhead
Chamber can not only save the sealing element of existing level-one discharge chamber as first order discharge chamber, and due to the processing of intermediate bulkhead essence
Degree is compared to muffler height, and therefore, the good airproof performance of first order exhaust reduces leakage, and also reduce the material of compressor
Expect cost and process costs.
It should be noted last that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe is described in detail the utility model referring to preferred embodiment, those skilled in the art should understand that, it can be with
The technical solution of the present invention is modified or equivalently replaced, without departing from technical solutions of the utility model spirit and
Range.
Claims (9)
1. a kind of exhaust structure of compressor, the compressor include shell and the first order cylinder being disposed in the housing and
Second level cylinder is equipped with intermediate bulkhead, which is characterized in that the exhaust between the first order cylinder and the second level cylinder
Structure includes airflow channel and the intermediate bulkhead, and the airflow channel is disposed in the housing；
Wherein, gas enters the discharge chamber of the intermediate bulkhead after the first order cylinder compression, and by the discharge chamber
Enter the airflow channel after discharge, second level cylinder second compression again is then drained by the airflow channel.
2. the exhaust structure of compressor as described in claim 1, which is characterized in that the intermediate bulkhead includes one first son
Plate and one second daughter board.
3. the exhaust structure of compressor as claimed in claim 2, which is characterized in that first daughter board is recessed with one
Slot；And/or second daughter board has a groove.
4. the exhaust structure of compressor as described in claim 1, which is characterized in that be provided with one at the second level cylinder
Muffler, the gas after the second level cylinder compression drain into the muffler.
5. the exhaust structure of compressor as described in claim 1, which is characterized in that the first order cylinder is close to motor
Upper cylinder, the second level cylinder are the lower cylinder far from the motor.
6. the exhaust structure of compressor as claimed in claim 5, which is characterized in that be equipped with a lower noise reduction at the lower cylinder
Device drains into the silencing cavity of the bottom silencer by the compressed gas of the lower cylinder.
7. the exhaust structure of compressor as described in claim 1, which is characterized in that the first order cylinder is far from motor
Lower cylinder, the second level cylinder are the upper cylinder close to the motor.
8. the exhaust structure of compressor as claimed in claim 7, which is characterized in that be equipped with a upper noise reduction at the upper cylinder
Device drains into the silencing cavity of the upper muffler by the compressed gas of the upper cylinder.
9. a kind of compressor, including shell and the first order cylinder and second level cylinder that are disposed in the housing, described first
Intermediate bulkhead is equipped between grade cylinder and the second level cylinder, which is characterized in that the compressor further includes such as claim 1
Exhaust structure described in any one of~8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820982985.6U CN208364399U (en) | 2018-06-25 | 2018-06-25 | Compressor and its exhaust structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820982985.6U CN208364399U (en) | 2018-06-25 | 2018-06-25 | Compressor and its exhaust structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208364399U true CN208364399U (en) | 2019-01-11 |
Family
ID=64926763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820982985.6U Active CN208364399U (en) | 2018-06-25 | 2018-06-25 | Compressor and its exhaust structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208364399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630503A (en) * | 2018-06-25 | 2019-12-31 | 上海海立电器有限公司 | Compressor and exhaust structure and exhaust method thereof |
-
2018
- 2018-06-25 CN CN201820982985.6U patent/CN208364399U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630503A (en) * | 2018-06-25 | 2019-12-31 | 上海海立电器有限公司 | Compressor and exhaust structure and exhaust method thereof |
| CN110630503B (en) * | 2018-06-25 | 2024-06-28 | 上海海立电器有限公司 | Compressor and exhaust structure and exhaust method thereof |
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