CN201635967U - Double feed-exhaust cylinder - Google Patents
Double feed-exhaust cylinder Download PDFInfo
- Publication number
- CN201635967U CN201635967U CN2010201428729U CN201020142872U CN201635967U CN 201635967 U CN201635967 U CN 201635967U CN 2010201428729 U CN2010201428729 U CN 2010201428729U CN 201020142872 U CN201020142872 U CN 201020142872U CN 201635967 U CN201635967 U CN 201635967U
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- CN
- China
- Prior art keywords
- cylinder
- air
- double feed
- double
- valves
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a double feed-exhaust cylinder with the structure of a compressor cylinder. The double feed-exhaust cylinder comprises a cylinder body, air inlets and air outlets, wherein each air inlet is communicated with the inner cavity of the cylinder by an air inlet passage, each air outlet is communicated with the inner cavity of the cylinder by an air outlet passage, each air inlet is positioned at the upper side of the cylinder body, each air outlet is positioned at the lower side of the cylinder body, and two air inlets and two air outlets are arranged. The double feed-exhaust cylinder has the advantages that: air valves are convenient to arrange reasonably so as to reduce the outer diameter of the cylinder; the included angle between the vertical center line of the cylinder and the center lines of the air valves can be controlled to be within 45 degrees and is more reasonable compared with the 60-degree included angles and the uniform distribution of six air valves, thus being beneficial to prolonging the service life of the air valves and being convenient for users to maintain and use; the double air-passage arrangement improves the rigidity of the cylinder obviously, leads the fluid in the air passages to flow more reasonably and reduces the loss of flow resistance; and the double air passages improve the stability of a pulse suppressor directly connected with the cylinder and are beneficial to controlling the vibration of a compressor set.
Description
Technical field
The utility model relates to compressor, particularly compressor air cylinder structure.
Background technique
Cylinder is one of kernel component in the Reciprocting piston compressor, and cylinder and piston cooperates the compression step by step of finishing gas, and piston is to-and-fro motion in cylinder, so cylinder should have surface of good, is beneficial to lubricated and wear-resisting; Derive heat and to-and-fro motion frictional heat that pressurized gas produces, cylinder must have good cooling; Air valve is housed on the cylinder, fills out assembly such as letter, so stressed and structure is all much assorted; Many coefficients that influence compressor performance all by cylinder in design in advance to realize.
Cylinder can divide low according to pressure, in, high, four kinds of superelevation, press the general foundry goods that adopts in low, pressure≤7.0Mpa adopts grey foundry goods, when pressure 〉=7.0MPa-10MPa can use spheroidal graphite casting spare, the big discharge capacity cylinder in modern age all is three layers of wall water-cooled, it is many because cylinder comprises front and rear cover with three sections branch systems, big discharge capacity cast iron cylinder is the long stroke of imitative Soviet Union in the past, the slow-speed of revolution, advance, outlet pipe is all arranged by the crotch pipe, the imitative U.S.A in reform and opening-up back all changes enterprising row down into, singly advance single the layout into, outlet pipe, its advantage are to help into, exhausting buffer near cylinder, not only makes connection and reasonable arrangement but also can reduce gas to greatest extent.But enterprising row down adopts one to advance a row, because the low-pressure cylinder cylinder diameter is big, the air inlet and exhaust piper latus rectum is big, and is subjected to the inlet and outlet flow restriction, so satisfy for the reasonable Arrangement air valve needs the intensifying cylinder external diameter.Relief opening adopts excessive sequelae, cause cylinder rigidity variation, when the hydrostatic test, can cause tangible plastic deformation, have only the wall thickness of increasing and stiffening rib to guarantee rigidity, cause all difficulties of air valve dress like this, and air valve need carry out normal maintain and replace as the easily damaged parts of compressor.
Summary of the invention
The purpose of this utility model is the cylinder that has two suction ports, two relief openings in order to overcome the deficiencies in the prior art part, to provide.
The technical solution of the utility model is: twoly advance two row cylinder and comprise cylinder block, suction port and relief opening, suction port is connected with cylinder inner cavity through intake duct, relief opening is connected with cylinder inner cavity through air outlet flue, suction port is in the upside of cylinder block, exhaust ports is in the downside of cylinder block, described suction port is two, and described relief opening is two.
The utility model has the advantages that: help the reasonable Arrangement of air valve, can reduce the cylinder external diameter; The angle of cylinder vertical center line and air valve center line can be controlled in 45 degree, more is tending towards rationally than uniform six air valves of former 60 degree, helps the raising of air valve life-span, is convenient to the user and safeguards use; Double air passage arranges the cylinder rigidity is significantly improved that it is more reasonable that the air flue fluid flows, and reduced fluid resistance losses; Double air passage makes with the stability of the direct-connected pulsation suppressor of cylinder and obviously improves, and helps controlling the vibration of compressor bank.
Description of drawings
Fig. 1 is the utility model schematic representation
Wherein, reference character: 1 is cylinder body, and 2 is suction port, and 3 is relief opening.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model: twoly advance two row cylinder and comprise cylinder block 1, suction port 2 and relief opening 3, suction port 2 is through intake duct and cylinder 1 intracavity inter-connection, relief opening 3 is connected with 1 chamber in the cylinder through air outlet flue, suction port 2 is in the upside of cylinder block 1, relief opening 3 is in the downside of cylinder block 1, described suction port 1 is two, and described relief opening 2 is two.
Claims (1)
1. twoly advance two row cylinder and comprise cylinder block (1), suction port (2) and relief opening (3), suction port (2) is through intake duct and cylinder (1) intracavity inter-connection, relief opening (3) is connected with (1) chamber in the cylinder through air outlet flue, suction port (2) is in the upside of cylinder block (1), relief opening (3) is in the downside of cylinder block (1), it is characterized in that: described suction port (1) is two, and described relief opening (2) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201428729U CN201635967U (en) | 2010-03-26 | 2010-03-26 | Double feed-exhaust cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201428729U CN201635967U (en) | 2010-03-26 | 2010-03-26 | Double feed-exhaust cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201635967U true CN201635967U (en) | 2010-11-17 |
Family
ID=43080457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201428729U Expired - Lifetime CN201635967U (en) | 2010-03-26 | 2010-03-26 | Double feed-exhaust cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201635967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404263A (en) * | 2018-12-24 | 2019-03-01 | 沈阳远大压缩机有限公司 | Anhydrous cooling air cylinder structure |
-
2010
- 2010-03-26 CN CN2010201428729U patent/CN201635967U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404263A (en) * | 2018-12-24 | 2019-03-01 | 沈阳远大压缩机有限公司 | Anhydrous cooling air cylinder structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101117 |
|
| CX01 | Expiry of patent term |