CN210343701U - Integrated screw vortex two-stage compressor - Google Patents
Integrated screw vortex two-stage compressor Download PDFInfo
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- CN210343701U CN210343701U CN201921222947.1U CN201921222947U CN210343701U CN 210343701 U CN210343701 U CN 210343701U CN 201921222947 U CN201921222947 U CN 201921222947U CN 210343701 U CN210343701 U CN 210343701U
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Abstract
The utility model relates to an integrated screw scroll two-stage compressor, which comprises a scroll machine, a screw machine and a motor, wherein one rotor of the screw machine is connected with a driving shaft which extends into the motor and is used as a rotating shaft of the motor, and extends to the suction end of the scroll machine and is connected with a movable scroll disk in the scroll machine; the utility model has the advantages that: the integrated connection mode of the scroll machine, the screw machine and the motor is adopted, so that the integrated connection structure has the advantages of high connection reliability, improvement of exhaust pressure, improvement of volume efficiency and improvement of energy efficiency; and the integrated structural design of the driving shaft is adopted, so that the stability of the scroll machine, the screw machine and the motor is better in the operation process.
Description
Technical Field
The utility model belongs to the technical field of the compressor, especially, relate to an integral type screw rod vortex doublestage compressor.
Background
In the current compressor market, a screw compressor and a scroll compressor are designed independently, and the screw compressor has the working principle that a pair of mutually meshed male and female rotors are arranged in the screw compressor, and the compression purpose is realized through the movement of the male and female rotors; the scroll compressor has the working principle that a pair of mutually meshed scrolls are arranged in the scroll compressor, one movable scroll is called as an orbiting scroll, the other fixed scroll is called as a static scroll, and the orbiting scroll moves relative to the static scroll so as to achieve the purpose of compression; aiming at the problems that the small-displacement screw compressor has poor volumetric efficiency and poor energy efficiency value under the working condition of normal pressure or medium-high pressure; aiming at the problems that the scroll compressor has larger volume and is not compact in structure, the energy efficiency value is not ideal and the efficiency is higher under the working condition of large displacement; it would therefore be desirable to develop a compressor that combines the two and overcomes the drawbacks of each. But the application number: 2012104566989 relates to a motor, an expander and a scroll compressor, which mainly uses the work of the motor and the expander to drive the scroll compressor, and uses a refrigeration system to realize the effect of carbon dioxide refrigeration.
Disclosure of Invention
An object of the utility model is to overcome the not enough of prior art existence, and provide an integral type screw rod vortex doublestage compressor for improve the exhaust pressure of little discharge capacity compressor, the volumetric efficiency, efficiency value and performance.
The utility model aims at accomplishing through following technical scheme, this kind of integral type screw rod vortex doublestage compressor includes vortex machine, screw rod machine, motor, even there is the drive shaft on one of them rotor of screw rod machine, just the drive shaft extends to respectively in the motor and as the pivot of motor and extend to the end department of breathing in of vortex machine and with the vortex dish that moves in the vortex machine is connected.
Preferably, the drive shaft is cast integrally with one of the rotors of the screw machine.
Preferably, the drive shaft is integrally cast with a male rotor in the screw machine.
Preferably, a balance weight is mounted to each end of the driving shaft.
Preferably, the balance weight is divided into a front balance weight and a rear balance weight, the front balance weight is located in a cavity of the scroll machine close to the side of the screw machine, and the rear balance weight is located in a cavity of the motor.
Preferably, the screw machine is provided with an air inlet for sucking air, a second oil inlet for cooling gas discharged from the screw machine, and a third oil inlet for cooling and lubricating oil in the gas in the cavity of the screw machine.
Preferably, the air inlet is located at the upper end of the screw machine shell, the second oil inlet is located at the exhaust end of the screw machine shell, and the third oil inlet is located at the bottom of the inner cavity of the screw machine shell.
Preferably, the scroll machine is provided with a first oil inlet for cooling and lubricating gas in an inner cavity of the scroll machine and an exhaust port for exhausting compressed gas and oil.
Preferably, the first oil inlet is located in an inner cavity portion of the scroll machine shell, and the exhaust port is located at an exhaust end portion of the scroll machine shell.
The utility model has the advantages that: the integrated connection mode of the scroll machine, the screw machine and the motor is adopted, so that the integrated connection structure has the advantages of high connection reliability, improvement of exhaust pressure, improvement of volume efficiency and improvement of energy efficiency; and the integrated structural design of the driving shaft is adopted, so that the stability of the scroll machine, the screw machine and the motor is better in the operation process.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a schematic rear view of the present invention.
Fig. 4 is a schematic view of the sectional structure a-a of fig. 2.
The reference numbers in the drawings are respectively: 1. a scroll machine; 2. a screw machine; 3. a motor; 4. a drive shaft; 5. a balancing block is arranged in front; 6. a balancing block is arranged at the rear; 11. a suction end; 12. a movable scroll pan; 13. a first oil inlet; 14. an exhaust port; 21. a male rotor; 22. an air inlet; 23. a second oil inlet; 24. a third oil inlet; 25. an exhaust end portion.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings: as shown in the attached drawings 1 to 3, the utility model comprises a vortex machine 1, a screw machine 2 and a motor 3, wherein the vortex machine 1, the screw machine 2 and the motor 3 are connected and fixed in an integrated manner through respective arranged flange plates; a driving shaft 4 is connected to one of the rotors of the screw machine 2, the driving shafts 4 respectively extend into the motor 3 and are used as rotating shafts of the motor 3, and extend to a suction end 11 of the scroll machine 1 and are connected with a movable scroll 12 in the scroll machine 1, the driving shaft 4 is preferably of a crankshaft structure, and the purpose of integrally connecting driving mechanisms in the scroll machine 1, the screw machine 2 and the motor 3 is achieved.
In order to ensure that the vortex machine 1, the screw machine 2 and the motor 3 have better stability in the operation process, the driving shaft 4 and the male rotor 21 or the female rotor of the screw machine 2 are integrally cast and molded.
In order to achieve the best performance requirements during operation of the screw machine 2, the drive shaft 4 is cast integrally with the male rotor 21 inside the screw machine 2, as shown in fig. 4.
In order to ensure the dynamic balance of the whole machine in the operation process, two ends of the driving shaft 4 are respectively provided with a balance block; the balance weight is divided into a front balance weight 5 and a rear balance weight 6, the front balance weight 5 is positioned in a cavity of the scroll machine 1 close to the side of the screw machine 2 (namely, in a cavity at the air suction end 11 of the scroll machine 1), and the rear balance weight 6 is positioned in a cavity of the motor 3, preferably a cavity of the motor far away from the end of the screw machine.
The screw machine 2 is respectively provided with an air inlet 22 for sucking air, a second oil inlet 23 for cooling gas discharged by the screw machine, and a third oil inlet 24 for cooling and lubricating oil in the gas in the cavity of the screw machine; the air inlet 22 is positioned at the upper end part of the shell of the screw machine 2, namely, at the position right above the shell of the screw machine 2; the second oil inlet 23 is positioned at the exhaust end 25 of the shell of the screw machine 2, namely at the bottom side of the exhaust end 25 of the shell of the screw machine 2; the third oil inlet 24 is located at the bottom of the inner cavity of the casing of the screw machine 2, i.e. at one side of the bottom of the inner cavity of the casing of the screw machine 2.
The scroll machine 1 is respectively provided with a first oil inlet 13 for cooling and lubricating gas in an inner cavity of the scroll machine and an exhaust port 14 for exhausting compressed gas and oil; the first oil inlet 13 is positioned in an inner cavity part of the shell of the scroll machine 1, namely one side of the inner cavity part of the shell of the scroll machine 1; the exhaust port 14 is located at the exhaust end of the casing of the scroll machine 1, i.e., at the very center of the exhaust end of the casing of the scroll machine 1.
This double stage compressor passes through air inlet and outlet and the oil inlet on screw rod machine 2, the vortex machine 1, and its theory of operation is as follows:
firstly, the motor 3 is started to drive the driving shaft 4 to rotate, at the moment, the rotor in the screw machine 2 rotates, and the movable scroll disk 12 on the scroll machine 1 also rotates along with the rotation, and the three synchronously rotate;
then, the air inlet 22 of the screw machine 2 sucks the atmosphere for compression, the third oil inlet 24 of the screw machine 2 takes oil and carries out oil cooling and lubrication on the gas in the inner cavity of the screw machine, and the second oil inlet 23 of the screw machine 2 cools the gas discharged by the screw machine;
then, cooling gas compressed by the screw machine 2 is sucked at the suction end 11 of the scroll machine 1 and is subjected to secondary compression, and a first oil inlet 13 on the scroll machine 1 cools and lubricates gas in an inner cavity of the scroll machine;
finally, the compressed gas and oil are discharged through the discharge port 14 of the scroll machine 1.
The present invention is not limited to the above embodiments, and any change is made on the shape or material composition, and all the structural designs provided by the present invention are all the deformation of the present invention, which should be considered within the protection scope of the present invention.
Claims (9)
1. The utility model provides an integral type screw rod vortex double stage compressor, includes vortex machine (1), screw rod machine (2), motor (3), its characterized in that: and a driving shaft (4) is connected to one rotor of the screw machine (2), and the driving shaft (4) extends into the motor (3) and serves as a rotating shaft of the motor (3) and extends to a suction end (11) of the scroll machine (1) and is connected with a movable scroll (12) in the scroll machine (1).
2. The two-stage integrated scroll compressor according to claim 1, wherein: the drive shaft (4) is cast integrally with one of the rotors of the screw machine (2).
3. The two-stage integrated scroll compressor according to claim 1, wherein: the driving shaft (4) and a male rotor (21) in the screw machine (2) are integrally cast and molded.
4. The two-stage integrated scroll compressor according to claim 1, wherein: and balance blocks are respectively arranged at two ends of the driving shaft (4).
5. The two-stage integrated scroll compressor according to claim 4, wherein: the balance weight is divided into a front balance weight (5) and a rear balance weight (6), the front balance weight (5) is located in a cavity of the scroll machine (1) close to the side of the screw machine (2), and the rear balance weight (6) is located in a cavity of the motor (3).
6. The two-stage integrated scroll compressor according to claim 1, wherein: the screw machine (2) is provided with an air inlet (22) for sucking air, a second oil inlet (23) for cooling gas discharged by the screw machine and a third oil inlet (24) for cooling and lubricating oil in the gas in the inner cavity of the screw machine.
7. The two-stage integrated scroll compressor according to claim 6 wherein: the air inlet (22) is located at the upper end of the shell of the screw machine (2), the second oil inlet (23) is located at the exhaust end (25) of the shell of the screw machine (2), and the third oil inlet (24) is located at the bottom of the inner cavity of the shell of the screw machine (2).
8. The two-stage integrated scroll compressor according to claim 1, wherein: the scroll machine (1) is provided with a first oil inlet (13) for cooling and lubricating gas in an inner cavity of the scroll machine and an exhaust port (14) for exhausting the compressed gas and oil.
9. The dual stage, integrated scroll compressor of claim 8, wherein: the first oil inlet (13) is located in an inner cavity of a shell of the scroll machine (1), and the exhaust port (14) is located at an exhaust end of the shell of the scroll machine (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921222947.1U CN210343701U (en) | 2019-07-31 | 2019-07-31 | Integrated screw vortex two-stage compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921222947.1U CN210343701U (en) | 2019-07-31 | 2019-07-31 | Integrated screw vortex two-stage compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343701U true CN210343701U (en) | 2020-04-17 |
Family
ID=70218371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921222947.1U Withdrawn - After Issue CN210343701U (en) | 2019-07-31 | 2019-07-31 | Integrated screw vortex two-stage compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963437A (en) * | 2019-07-31 | 2020-11-20 | 宁波鲍斯能源装备股份有限公司 | Integrated screw vortex two-stage compressor |
-
2019
- 2019-07-31 CN CN201921222947.1U patent/CN210343701U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963437A (en) * | 2019-07-31 | 2020-11-20 | 宁波鲍斯能源装备股份有限公司 | Integrated screw vortex two-stage compressor |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 315500 No.18 Shangqiao Road, Xiwu street, Fenghua District, Ningbo City, Zhejiang Province Patentee after: NINGBO BAOSI ENERGY EQUIPMENT Co.,Ltd. Address before: No. 55, Jiangkou street, Fenghua District, Ningbo, Zhejiang Province Patentee before: NINGBO BAOSI ENERGY EQUIPMENT Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200417 Effective date of abandoning: 20230614 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200417 Effective date of abandoning: 20230614 |