CN103277289A - Diaphragm-type compressor integrated cylinder body part with single cylinder body and double cylinder covers - Google Patents
Diaphragm-type compressor integrated cylinder body part with single cylinder body and double cylinder covers Download PDFInfo
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- CN103277289A CN103277289A CN2013101727748A CN201310172774A CN103277289A CN 103277289 A CN103277289 A CN 103277289A CN 2013101727748 A CN2013101727748 A CN 2013101727748A CN 201310172774 A CN201310172774 A CN 201310172774A CN 103277289 A CN103277289 A CN 103277289A
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Abstract
The invention discloses a diaphragm-type compressor integrated cylinder body part with a single cylinder body and double cylinder covers. One cylinder cover is under a working state during each stroke of a piston, so that utilization rate is improved, single-level or two-level compressing can be achieved, structure is compact, manufacturing cost is low, the number of sealing faces is small, and operation and maintaining are convenient. The diaphragm-type compressor integrated cylinder body part comprises the cylinder body, an upper cylinder cover, a lower cylinder cover, the piston, an upper oil distribution disc and a lower oil distribution disc. The upper cylinder cover and the lower cylinder cover are connected to the cylinder body through fastening pieces. The piston moves left and right in the cylinder body filled with oil and divides the cylinder body into a left cavity and a right cavity. The upper oil distribution disc and the lower oil distribution disc are respectively arranged on the upper surface and the lower surface of the cylinder body. An upper diaphragm piece is arranged between the upper cylinder cover and the upper oil distribution disc. A lower diaphragm piece is arranged between the lower cylinder cover and the lower oil distribution disc. An upper air cavity is formed between the upper diaphragm piece and the upper cylinder cover. An upper oil cavity is formed between the upper diaphragm piece and the upper oil distribution disc. A lower air cavity is formed between the lower diaphragm piece and the lower cylinder cover. A lower oil cavity is formed between the lower diaphragm piece and the lower oil distribution disc. One of the left cavity and the right cavity is communicated with the upper oil cavity, and the other one of the left cavity and the right cavity is communicated with the lower oil cavity.
Description
Technical field
The present invention relates to a kind of technical field of membrane compressor, relate to a kind of integrated part of cylinder block of membrane compressor with single cylinder twin-tub lid particularly.
Background technique
Membrane compressor has ad hoc diaphragm because of it, and compressed gas was gained the name with extraneous the separation.Membrane compressor also claims " diaphragm type compressor ".In the membrane compressor, the function of cylinder is finished by a film chamber.The cavity that so-called film chamber is made up of the cylinder cap with vaulted profile and oil distribution casing (or cylinder body), the diaphragm periphery is fastened between cylinder cap and the oil distribution casing (or cylinder body).When the diaphragm deflection deformation, the volume in the film chamber changes thereupon, plays the effect that sucks and compress, and the folded cavity of cylinder cap and diaphragm is air cavity, and the folded cavity of oil distribution casing (or cylinder body) and diaphragm is oil pocket.Because the film chamber does not need to lubricate, sealing is fine, and gas does not contact with any oiling agent, so the clarity of pressurized gas is high, is specially adapted to compression, conveying or the bottling of some precious rare gas.In addition, for strong, poisonous, the explosive gas of corrosivity, also should adopt diaphragm type compressor.The pressure range that diaphragm type compressor can provide is wider, can be from very low pressure up to 200MPa, it is widely used in experimental research department of petrochemical industry, Coal Chemical Industry, metallurgy, defence and military, Aero-Space, new energy, nuclear power, gas filling and modern science and technology etc.
Diaphragm is the vital part of membrane compressor, the size of diaphragm raw material size has determined the overall dimensions that the single cylinder body of membrane compressor can be accomplished, also just limited the membrane compressor design of big discharge capacity, just need break through from structure so will realize the big discharge capacity of membrane compressor.
At present, membrane compressor commonly used is single piston twin-rotor housing structure, and it comprises a piston, a threeway, two cylinder bodies, two cylinder caps, and a piston reaches the demand of big discharge capacity by two cylinder bodies of three passbands.The membrane compressor of this structure takes up room greatly, and sealing surface is many, operation maintenance inconvenience, and in the backhaul of piston two cylinder caps the not in running order utilization ratio of membrane compressor that causes is low.And can only realize single stage compression, just also need a piston, two cylinder bodies, two cylinder caps if realize two stage compression.
Summary of the invention
The object of the invention is to provide a kind of always has cylinder cap in running order and increase operation rate, can realize single-stage or two stage compression, more compact structure, low cost of manufacture, the integrated part of cylinder block of membrane compressor that sealing surface is few, the operation maintenance has single cylinder twin-tub lid easily in each stroke of piston.
To achieve these goals, the present invention adopts following technological scheme: this integrated part of cylinder block of membrane compressor with single cylinder twin-tub lid, it comprises cylinder body, upper cylinder cover, following cylinder cap, piston, last oil distribution casing, following oil distribution casing, upper cylinder cover, following cylinder cap is connected to cylinder body by fastening piece, piston side-to-side movement and cylinder body is divided into left chamber and right chamber in the cylinder body that is filled with oil, on cylinder body, lower surface is respectively equipped with oil distribution casing, following oil distribution casing, between upper cylinder cover and last oil distribution casing, be provided with upper diaphragm, be provided with diaphragm down down between cylinder cap and the following oil distribution casing, form upper gas chamber between upper diaphragm and the upper cylinder cover, form upper oil cavitie between upper diaphragm and the last oil distribution casing, form lower air chamber between following diaphragm and the following cylinder cap, form lower oil cavitie between following diaphragm and the following oil distribution casing, left chamber or right chamber one is communicated with upper oil cavitie and another of left chamber or right chamber is communicated with lower oil cavitie.
When piston during to left movement, the oil in the left chamber of cylinder body is pressed into lower oil cavitie or the upper oil cavitie that is communicated with it through the piston promotion, thereby drive the gas in diaphragm compression lower air chamber or the upper gas chamber, when piston moves right, the oil in the right chamber of cylinder body is pressed into upper oil cavitie or the lower oil cavitie that is communicated with it through the piston promotion, thereby drive the gas in diaphragm compression upper gas chamber or the lower air chamber, so just realized always having in each stroke (left and to the right) of piston cylinder cap in running order and increase operation rate; Just can not realize two stage compression simultaneously when the area of upper diaphragm and following diaphragm, just realize single stage compression when identical; Owing to cancelled threeway and a cylinder cap, so more compact structure, low cost of manufacture, sealing surface is few, the operation maintenance is convenient.
Description of drawings
Fig. 1 is the structural representation according to a preferred embodiment of the integrated part of cylinder block of membrane compressor with single cylinder twin-tub lid of the present invention;
Fig. 2 is the structural representation according to another preferred embodiment of the integrated part of cylinder block of membrane compressor with single cylinder twin-tub lid of the present invention.
Embodiment
As shown in Figure 1, this integrated part of cylinder block of membrane compressor with single cylinder twin-tub lid, it comprises cylinder body 1, upper cylinder cover 21, following cylinder cap 22, piston 6, last oil distribution casing 71, following oil distribution casing 72, upper cylinder cover 21, following cylinder cap 22 is connected to cylinder body 1 by fastening piece, piston 6 side-to-side movement and cylinder body is divided into left chamber and right chamber in the cylinder body that is filled with oil, on cylinder body, lower surface is respectively equipped with oil distribution casing 71, following oil distribution casing 72, between upper cylinder cover and last oil distribution casing, be provided with upper diaphragm 31, be provided with diaphragm 32 down down between cylinder cap and the following oil distribution casing, form upper gas chamber 41 between upper diaphragm and the upper cylinder cover, form upper oil cavitie 51 between upper diaphragm and the last oil distribution casing, form lower air chamber 42 between following diaphragm and the following cylinder cap, form lower oil cavitie 52 between following diaphragm and the following oil distribution casing, left chamber or right chamber one is communicated with upper oil cavitie and another of left chamber or right chamber is communicated with lower oil cavitie.
When piston during to left movement, the oil in the left chamber of cylinder body is promoted by piston and is pressed into it lower oil cavitie or the upper oil cavitie that is communicated with, thereby drive the gas in diaphragm compression lower air chamber or the upper gas chamber, when piston moves right, the oil in the right chamber of cylinder body is promoted by piston and is pressed into it upper oil cavitie or the lower oil cavitie that is communicated with, thereby drive the gas in diaphragm compression upper gas chamber or the lower air chamber, so just realized always having in each stroke (left and to the right) of piston cylinder cap in running order and increase operation rate; Just can not realize two stage compression simultaneously when the area of upper diaphragm and following diaphragm, just realize single stage compression when identical; Owing to cancelled threeway and a cylinder cap, so more compact structure, low cost of manufacture, sealing surface is few, the operation maintenance is convenient.
Preferably, be assigned to equably on the upper and lower diaphragm in order to make the oil in the upper and lower oil pocket, be provided with oil distribution casing 71 in the position of upper oil cavitie contact cylinder body, be provided with oil distribution casing 72 down in the position of lower oil cavitie contact cylinder body.
Preferably, the upper surface of the lower surface of the lower surface of the upper surface of last oil distribution casing 71, following oil distribution casing 72, upper cylinder cover, following cylinder cap all is inner sunken faces
Preferably, upper cylinder cover, following cylinder cap are connected to cylinder body by nut 9 and flush type double-screw bolt 8 respectively.Perhaps, as shown in Figure 2, upper cylinder cover, following cylinder cap are connected to cylinder body by nut 9 and penetration type double-screw bolt 10.
Note that the said upper and lower, left and right of the present invention are just clear for convenience of description, just the relative position relation between each part.
The above; it only is preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment all still belong to the protection domain of technical solution of the present invention.
Claims (4)
1. one kind has the integrated part of cylinder block of membrane compressor that the single cylinder twin-tub covers, it is characterized in that: it comprises cylinder body (1), upper cylinder cover (21), following cylinder cap (22), piston (6), last oil distribution casing (71), following oil distribution casing (72), upper cylinder cover (21), following cylinder cap (22) is connected to cylinder body (1) by fastening piece, piston (6) side-to-side movement and cylinder body is divided into left chamber and right chamber in the cylinder body that is filled with oil, on cylinder body, lower surface is respectively equipped with oil distribution casing (71), following oil distribution casing (72), between upper cylinder cover and last oil distribution casing, be provided with upper diaphragm (31), be provided with diaphragm (32) down down between cylinder cap and the following oil distribution casing, form upper gas chamber (41) between upper diaphragm and the upper cylinder cover, form upper oil cavitie (51) between upper diaphragm and the last oil distribution casing, form lower air chamber (42) between following diaphragm and the following cylinder cap, form lower oil cavitie (52) between following diaphragm and the following oil distribution casing, left chamber or right chamber one is communicated with upper oil cavitie and another of left chamber or right chamber is communicated with lower oil cavitie.
2. the integrated part of cylinder block of membrane compressor with single cylinder twin-tub lid according to claim 1 is characterized in that: go up the upper surface of oil distribution casing (71), down lower surface, the upper cylinder cover of oil distribution casing (72) lower surface, the upper surface of cylinder cap all is inner sunken faces down.
3. the integrated part of cylinder block of membrane compressor with single cylinder twin-tub lid according to claim 1 and 2 is characterized in that: upper cylinder cover, cylinder cap is connected to cylinder body by nut (9) and flush type double-screw bolt (8) respectively down.
4. the integrated part of cylinder block of membrane compressor with single cylinder twin-tub lid according to claim 1 and 2 is characterized in that: upper cylinder cover, cylinder cap is connected to cylinder body by nut (9) and penetration type double-screw bolt (10) down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101727748A CN103277289A (en) | 2013-05-10 | 2013-05-10 | Diaphragm-type compressor integrated cylinder body part with single cylinder body and double cylinder covers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101727748A CN103277289A (en) | 2013-05-10 | 2013-05-10 | Diaphragm-type compressor integrated cylinder body part with single cylinder body and double cylinder covers |
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| CN103277289A true CN103277289A (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101727748A Pending CN103277289A (en) | 2013-05-10 | 2013-05-10 | Diaphragm-type compressor integrated cylinder body part with single cylinder body and double cylinder covers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020052050A1 (en) * | 2018-09-11 | 2020-03-19 | 西安交通大学 | High-pressure diaphragm compressor and cylinder cover thereof, and machining method for cylinder cover |
| CN111794950A (en) * | 2020-07-06 | 2020-10-20 | 沈阳远大压缩机有限公司 | Diaphragm compressor cylinder seal structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030031565A1 (en) * | 2001-08-07 | 2003-02-13 | Horst Kleibrink | Method for the control and regulation of the oil pressure-gas pressure relationship of diaphragm compressors |
| EP1418366A1 (en) * | 2002-11-06 | 2004-05-12 | John Bowen | Fluid cooled diaphragm |
| CN101354028A (en) * | 2007-07-27 | 2009-01-28 | 北京石油化工学院 | Multi-film cavity septum compressor driven by single piston |
| CN102635537A (en) * | 2012-05-04 | 2012-08-15 | 项炳荣 | Driving device and driving method of diaphragm pump |
| US20130017101A1 (en) * | 2006-09-04 | 2013-01-17 | Bran+Luebbe Gmbh | Pump device |
| CN203239535U (en) * | 2013-05-10 | 2013-10-16 | 北京京城压缩机有限公司 | Diaphragm-type compressor integrated cylinder body assembly provided with single cylinder body and double cylinder covers |
-
2013
- 2013-05-10 CN CN2013101727748A patent/CN103277289A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030031565A1 (en) * | 2001-08-07 | 2003-02-13 | Horst Kleibrink | Method for the control and regulation of the oil pressure-gas pressure relationship of diaphragm compressors |
| EP1418366A1 (en) * | 2002-11-06 | 2004-05-12 | John Bowen | Fluid cooled diaphragm |
| US20130017101A1 (en) * | 2006-09-04 | 2013-01-17 | Bran+Luebbe Gmbh | Pump device |
| CN101354028A (en) * | 2007-07-27 | 2009-01-28 | 北京石油化工学院 | Multi-film cavity septum compressor driven by single piston |
| CN102635537A (en) * | 2012-05-04 | 2012-08-15 | 项炳荣 | Driving device and driving method of diaphragm pump |
| CN203239535U (en) * | 2013-05-10 | 2013-10-16 | 北京京城压缩机有限公司 | Diaphragm-type compressor integrated cylinder body assembly provided with single cylinder body and double cylinder covers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020052050A1 (en) * | 2018-09-11 | 2020-03-19 | 西安交通大学 | High-pressure diaphragm compressor and cylinder cover thereof, and machining method for cylinder cover |
| CN111794950A (en) * | 2020-07-06 | 2020-10-20 | 沈阳远大压缩机有限公司 | Diaphragm compressor cylinder seal structure |
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Application publication date: 20130904 |