CN118049359A - Gas compressor cylinder and gas compressor - Google Patents

Gas compressor cylinder and gas compressor Download PDF

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Publication number
CN118049359A
CN118049359A CN202410377339.7A CN202410377339A CN118049359A CN 118049359 A CN118049359 A CN 118049359A CN 202410377339 A CN202410377339 A CN 202410377339A CN 118049359 A CN118049359 A CN 118049359A
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CN
China
Prior art keywords
cylinder
cavity
channel
gas compressor
exhaust
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.)
Pending
Application number
CN202410377339.7A
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Chinese (zh)
Inventor
李忠波
杨林学
何体财
郑汉康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Aviation Industry Chuanxi Machine Co ltd
Original Assignee
Sichuan Aviation Industry Chuanxi Machine Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan Aviation Industry Chuanxi Machine Co ltd filed Critical Sichuan Aviation Industry Chuanxi Machine Co ltd
Priority to CN202410377339.7A priority Critical patent/CN118049359A/en
Publication of CN118049359A publication Critical patent/CN118049359A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a gas compressor cylinder and a gas compressor, comprising: the cylinder body is axially provided with a first cavity with two ends communicated with the outside, the cylinder body is provided with a second cavity communicated with the first cavity, and the cylinder body is integrally provided with an air inlet channel, an air outlet channel, a liquid inlet channel and a liquid outlet channel; the cylinder sleeve is arranged in the first cavity in a matched manner, a liquid cooling cavity is formed between the cylinder sleeve and the second cavity, and the liquid inlet channel and the liquid outlet channel are respectively communicated with the liquid cooling cavity; the air inlet and outlet valve assembly is arranged in the first cavity in a matching way, is positioned at one end of the cylinder sleeve and forms a compression cavity with the cylinder sleeve; the cylinder cover is arranged at one end of the cylinder body, and is provided with a communication channel which is communicated with the exhaust channel. The cylinder body is provided with the air inlet channel, the air outlet channel, the liquid inlet channel and the liquid outlet channel in an integrated way, and the cylinder structure is designed, so that the cylinder structure is compact, small in size, high in reliability and convenient to maintain.

Description

Gas compressor cylinder and gas compressor
Technical Field
The invention belongs to the technical field of gas compressors, and particularly relates to a gas compressor cylinder and a gas compressor.
Background
Most of compression cylinders used in gas compressors, especially air compressors, adopt an air cooling heat dissipation structure, and some of the compression cylinders have high heat dissipation requirements by adopting a liquid cooling heat dissipation structure. The existing air-cooled heat dissipation type air cylinder is limited in heat dissipation capacity, large in size, multiple in connecting pipelines and complex in structure; the liquid cooling heat dissipation type air cylinder has more air paths and liquid path connecting pipelines, the system structure is complex, and the volume and the weight are large. The air cylinders have the problems of low reliability, inconvenient installation and maintenance and the like in the use process, and the service life and the working efficiency of the whole system are influenced.
Disclosure of Invention
The invention aims to provide a gas compressor cylinder and a gas compressor, which are used for solving the problems of low reliability and inconvenient installation and maintenance of the existing cylinder.
The invention is realized by the following technical scheme:
A gas compressor cylinder comprising:
The cylinder body is provided with a first cavity with two ends communicated with the outside along the axial direction of the cylinder body, the cylinder body is provided with a second cavity communicated with the first cavity, and the cylinder body is integrally provided with an air inlet channel, an air exhaust channel, a liquid inlet channel and a liquid exhaust channel;
The cylinder sleeve is arranged in the first cavity in a matched mode, a liquid cooling cavity is formed between the cylinder sleeve and the second cavity, and the liquid inlet channel and the liquid outlet channel are respectively communicated with the liquid cooling cavity;
The air inlet and outlet valve assembly is arranged in the first cavity in a matching way, is positioned at one end of the cylinder sleeve and forms a compression cavity with the cylinder sleeve, and comprises an air inlet unit and an air outlet unit, wherein the air inlet unit is used for controlling unidirectional circulation of air between the air inlet channel and the compression cavity;
the cylinder cover is arranged at one end of the cylinder body, a communication channel is arranged on the cylinder cover, the exhaust unit is used for controlling unidirectional circulation of gas between the compression cavity and the communication channel, and the communication channel is communicated with the exhaust channel.
In some embodiments, the cylinder block and the cylinder head are integrally formed structures formed by 3D printing.
In some embodiments, a heat radiating fin is provided on an outer wall of the cylinder liner.
In some embodiments, the cylinder head is provided with a stiffener.
In some embodiments, a limiting step for limiting one end of the cylinder liner is disposed in the first cavity.
In some embodiments, the intake unit includes an intake passage and an intake valve disposed on the intake passage, the intake passage communicating with the intake passage and the compression chamber, respectively;
The exhaust unit comprises an exhaust passage and an exhaust valve arranged on the exhaust passage, and the exhaust passage is respectively communicated with the compression cavity and the communication channel.
In some embodiments, a copper gasket seal is arranged between the air inlet and outlet valve assembly and the cylinder sleeve and the cylinder cover.
In some embodiments, one end of the air inlet channel, the air outlet channel and the liquid outlet channel is communicated with one end face of the cylinder body, which is connected with the compressor base.
In some embodiments, the cylinder block is provided with a mounting flange at an end connected to the compressor base.
On the other hand, the invention also provides a gas compressor which comprises a gas compressor cylinder.
Compared with the prior art, the invention has the following advantages:
1) The cylinder body of the cylinder is integrally provided with the air inlet channel, the air outlet channel, the liquid inlet channel and the liquid outlet channel, the cylinder structure is designed, the layout of each channel on the cylinder body is optimized, the cylinder structure is compact and small, the required connecting pipelines are reduced, and the cylinder is high in reliability and convenient to maintain.
2) A liquid cooling cavity is formed between the cylinder body and the cylinder sleeve, so that the full-immersion type liquid cooling heat dissipation of the cylinder sleeve is realized, the heat dissipation efficiency is improved, the temperature accumulation in the gas compression cavity can be effectively reduced, and the stability of the performance of the cylinder and the service life of the cylinder are ensured; and the heat radiating fins are arranged on the cylinder sleeve, so that the heat radiating contact area is increased, and the heat radiating efficiency is further improved.
3) The cylinder body and the cylinder cover are manufactured and molded by adopting 3D printing additive, so that the integration and layout design of various channels can be realized on the cylinder body, the processing and molding of the cylinder body and the cylinder cover are more convenient, and the manufacturing period is short.
4) Through the design and the overall arrangement to each passageway on the cylinder block, the cylinder can be directly installed on the compressor base, makes things convenient for dismouting and the maintenance of cylinder and gas compressor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of one embodiment of a gas compressor cylinder of the present invention.
FIG. 2 is a schematic view of section A-A of FIG. 1.
FIG. 3 is a schematic view of the B-B cross-section of FIG. 1.
Wherein:
10. A cylinder block, 11, an air inlet channel, 12, an exhaust channel, 13 and a liquid inlet channel, 14, a liquid discharge channel, 15, a liquid cooling cavity, 16, a limiting step, 17 and a liquid cooling joint;
20. The cylinder sleeve, 21, the compression cavity, 22 and the radiating fin;
30. An intake and exhaust valve assembly 31, an intake passage 32, an intake valve 33, an exhaust passage 34, and an exhaust valve;
40. the cylinder cover, 41, the communication channel, 42, the reinforcing rib, 43 and the bolt;
51. O-ring, 52, copper pad seal.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention.
The existing gas compressor is required to be connected with various gas paths and liquid path connecting pipelines, so that the overall structure of the gas compressor is complex, the connecting pipelines are easy to damage and leak at the connecting positions, and a lot of problems are brought to the installation, the use and the maintenance of the compressor.
Aiming at the problems, the invention adopts a single-body multipurpose design concept, integrates the air inlet channel, the air outlet channel, the liquid inlet channel and the liquid outlet channel on the cylinder body, reduces the installation of pipelines through the optimized layout of the cylinder structure, and ensures that the gas compressor has better reliability and is more convenient to install, use and maintain.
In some embodiments, referring to fig. 1, 2, and 3, a gas compressor cylinder may include a cylinder block 10, a cylinder liner 20, an intake and exhaust valve assembly 30, and a cylinder head 40.
The cylinder body 10 is provided with a first cavity with two ends communicated with the outside along the axial direction, the cylinder body is provided with a second cavity communicated with the first cavity, and the cylinder body 10 is integrally provided with an air inlet channel 11, an air outlet channel 12, a liquid inlet channel 13 and a liquid outlet channel 14.
The cylinder sleeve 20 is arranged in the first cavity in a matching way, a liquid cooling cavity 15 is formed between the cylinder sleeve 20 and the second cavity, and the liquid inlet channel 13 and the liquid outlet channel 14 are respectively communicated with the liquid cooling cavity 15.
The intake and exhaust valve assembly 30 is cooperatively disposed in the first cavity and located at one end of the cylinder liner 20, and forms a compression cavity 21 with the cylinder liner 20, where the intake and exhaust valve assembly 30 includes an intake unit and an exhaust unit, and the intake unit is used for controlling unidirectional flow of gas between the intake channel 11 and the compression cavity 21.
The cylinder head 40 is provided at one end of the cylinder block 10, a communication passage 41 is provided on the cylinder head 40, and an exhaust unit is used for controlling unidirectional flow of gas between the compression chamber and the communication passage, and the communication passage 41 communicates with the exhaust passage 11.
In some embodiments, the intake unit includes an intake passage 31 and an intake valve 32 provided on the intake passage, the intake passage 31 communicating with the intake passage 11 and the compression chamber 21, respectively; the discharge unit includes a discharge passage 33 and a discharge valve 34 provided on the discharge passage, and the discharge passage 33 communicates with the compression chamber 21 and the communication passage 41, respectively. The intake valve 32 and the exhaust valve 34 are check valves, for example, gas in the intake passage can flow only from the intake passage to the compression chamber, and gas in the exhaust passage can flow only from the compression chamber to the communication passage.
In operation of the gas compressor, referring to fig. 2, low-pressure gas enters the compression chamber from the intake passage through the intake passage and the intake valve, and after the gas in the compression chamber is compressed by the piston, high-pressure gas is discharged to the communication passage through the exhaust passage and the exhaust valve, and is discharged from the exhaust passage through the communication passage.
The air inlet and outlet valve component adopting the combined structure has compact structure and good stability and reliability. The air inlet and outlet valve assembly can be composed of two annular parts with central holes, wherein the central holes on the two annular parts form an air outlet passage, and an air outlet valve is arranged between the two annular parts on the air inlet passage; through holes are respectively formed in the outer sides of the central holes of the two annular parts, an air inlet passage is formed based on the through holes, a communication hole is formed in the circumferential surface of one of the annular parts, the air inlet passage and the air inlet passage are communicated through the communication hole, and an air inlet valve is arranged between the two annular parts on the air inlet passage, so that the processing and the assembly of the air inlet and outlet valve assembly with the combined structure can be facilitated.
In some embodiments, the cylinder body 10 and the cylinder cover 40 are formed by 3D printing, so that the design layout of various channels on the cylinder body is possible, the processing and forming of the cylinder body and the cylinder cover are more convenient, the manufacturing cost is low, and the period is short.
The cylinder body and the cylinder cover can be made of high-strength aluminum alloy or titanium alloy materials, and can be subjected to hard anodizing or passivation surface treatment, so that the cylinder body and the cylinder cover are light in weight, high in structural strength, good in corrosion resistance and long in service life.
The cylinder sleeve adopts high-strength nitriding steel 38CrMoAlA, the nitriding treatment is carried out on the inner wall, and the nickel plating is carried out on the outer wall, so that the cylinder sleeve has good wear resistance and corrosion resistance.
In some embodiments, the heat dissipation fins 22 are arranged on the outer wall of the cylinder sleeve 21, so that the contact area of the cylinder sleeve and the cooling liquid is further increased, the full-immersion liquid cooling heat dissipation of the cylinder sleeve is realized, the heat dissipation efficiency is improved, the temperature accumulation in the gas compression cavity is avoided, and the reliability of the gas compressor is further improved.
In some embodiments, the reinforcing ribs 42 are arranged on the cylinder cover 40, so that the structural strength and rigidity of the cylinder cover can be increased, the natural convection heat dissipation area of the cylinder cover and air can be increased, and the heat dissipation capacity of the cylinder is improved.
In some embodiments, a limiting step 16 for limiting one end of the cylinder liner is provided in the first chamber. During assembly, the cylinder sleeve is installed in the first cavity, the cylinder sleeve is positioned at the position of the limiting step, then the air inlet and outlet valve assembly is installed in the first cavity, finally the cylinder cover is fixedly installed on the cylinder body through the bolt 43, and the cylinder sleeve and the air inlet and outlet valve assembly are fixedly installed in the cylinder body through the cylinder cover and the limiting step in the first cavity.
An O-ring 51 may be provided between the cylinder block and the cylinder head, cylinder liner to increase sealing performance.
The copper gasket sealing piece 52 can be arranged between the air inlet and outlet valve assembly and the cylinder sleeve as well as the cylinder cover, so that reliable sealing can be realized, a certain compression acting force can be provided between the air inlet and outlet valve assembly and the cylinder sleeve as well as between the air inlet and outlet valve assembly and the cylinder cover, and the use requirement of the cylinder under higher pressure and temperature can be met.
In some embodiments, one end of the air inlet channel 11, the air outlet channel 12 and the liquid discharging channel 14 are communicated with one end face of the cylinder body, which is connected with the compressor base, so that the use and the installation of the cylinder on the gas compressor are further facilitated, and the complexity of the gas compressor is reduced.
In some embodiments, the cylinder block 10 is provided with a mounting flange at an end connected to the compressor base, and mounting holes are provided in the mounting flange through which the cylinder block is mounted to the compressor base.
An O-ring 51 may be provided between the inlet port of the inlet passage, the outlet port of the outlet passage, and the compressor base to increase sealing performance.
The liquid cooling joint 17 is arranged on the liquid inlet of the liquid inlet channel 13, and the liquid cooling joint 17 is connected with a pipeline by adopting a taper thread, so that the liquid cooling joint is convenient to connect with the pipeline and is sealed reliably.
Referring to fig. 3, the cooling liquid enters the liquid cooling cavity from the liquid cooling joint through the liquid cooling channel, the cooling liquid in the liquid cooling cavity coats the cylinder sleeve, the heat dissipation treatment is carried out on the cylinder sleeve, the cooling liquid is discharged through the liquid discharging channel, the cooling circulation is realized, and the cooling liquid adopts water or other cooling mediums.
The invention also relates to a gas compressor comprising a gas compressor cylinder according to the above embodiments.
In some embodiments, the gas compressor includes a compressor base, and the gas compressor cylinder is fixedly mounted on the compressor base.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are used to indicate orientations or positional relationships based on those shown in the drawings, or those that are conventionally put in use in the product of the present invention, they are merely used to facilitate description of the present invention and simplify description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "horizontal," "vertical," and the like in the description of the present invention, if any, do not denote absolute levels or overhangs, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present invention fall within the scope of the present invention.

Claims (10)

1. A gas compressor cylinder, comprising:
The cylinder body is provided with a first cavity with two ends communicated with the outside along the axial direction of the cylinder body, the cylinder body is provided with a second cavity communicated with the first cavity, and the cylinder body is integrally provided with an air inlet channel, an air exhaust channel, a liquid inlet channel and a liquid exhaust channel;
The cylinder sleeve is arranged in the first cavity in a matched mode, a liquid cooling cavity is formed between the cylinder sleeve and the second cavity, and the liquid inlet channel and the liquid outlet channel are respectively communicated with the liquid cooling cavity;
The air inlet and outlet valve assembly is arranged in the first cavity in a matching way, is positioned at one end of the cylinder sleeve and forms a compression cavity with the cylinder sleeve, and comprises an air inlet unit and an air outlet unit, wherein the air inlet unit is used for controlling unidirectional circulation of air between the air inlet channel and the compression cavity;
the cylinder cover is arranged at one end of the cylinder body, a communication channel is arranged on the cylinder cover, the exhaust unit is used for controlling unidirectional circulation of gas between the compression cavity and the communication channel, and the communication channel is communicated with the exhaust channel.
2. The gas compressor cylinder of claim 1, wherein the cylinder block and the cylinder head are integrally formed by 3D printing.
3. The gas compressor cylinder as set forth in claim 1, wherein a heat radiating fin is provided on an outer wall of the cylinder liner.
4. A gas compressor cylinder according to claim 1, wherein the cylinder head is provided with reinforcing ribs.
5. The gas compressor cylinder of claim 1, wherein a limiting step for limiting one end of the cylinder liner is provided in the first chamber.
6. The gas compressor cylinder according to claim 1, wherein the intake unit includes an intake passage and an intake valve provided on the intake passage, the intake passage being in communication with the intake passage and the compression chamber, respectively;
The exhaust unit comprises an exhaust passage and an exhaust valve arranged on the exhaust passage, and the exhaust passage is respectively communicated with the compression cavity and the communication channel.
7. A gas compressor cylinder according to claim 1 or 6, wherein a copper gasket seal is provided between the intake and exhaust valve assembly and the cylinder liner, cylinder head.
8. The gas compressor cylinder according to claim 1, wherein one end of the intake passage, the exhaust passage, and the drain passage is provided in communication with an end face of the cylinder block connected to the compressor base.
9. A gas compressor cylinder according to claim 8, wherein the cylinder block is provided with a mounting flange at an end connected to the compressor base.
10. A gas compressor comprising a gas compressor cylinder according to any one of claims 1-9.
CN202410377339.7A 2024-03-29 2024-03-29 Gas compressor cylinder and gas compressor Pending CN118049359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410377339.7A CN118049359A (en) 2024-03-29 2024-03-29 Gas compressor cylinder and gas compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410377339.7A CN118049359A (en) 2024-03-29 2024-03-29 Gas compressor cylinder and gas compressor

Publications (1)

Publication Number Publication Date
CN118049359A true CN118049359A (en) 2024-05-17

Family

ID=91045253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410377339.7A Pending CN118049359A (en) 2024-03-29 2024-03-29 Gas compressor cylinder and gas compressor

Country Status (1)

Country Link
CN (1) CN118049359A (en)

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