CN115681085A - Horizontal double-piston ionic liquid crankshaft compressor - Google Patents
Horizontal double-piston ionic liquid crankshaft compressor Download PDFInfo
- Publication number
- CN115681085A CN115681085A CN202211374819.5A CN202211374819A CN115681085A CN 115681085 A CN115681085 A CN 115681085A CN 202211374819 A CN202211374819 A CN 202211374819A CN 115681085 A CN115681085 A CN 115681085A
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- CN
- China
- Prior art keywords
- head
- piston
- ionic liquid
- membrane
- neck
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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.)
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Links
- 239000002608 ionic liquid Substances 0.000 title claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000003566 sealing material Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Abstract
The invention relates to a diaphragm compressor, in particular to a horizontal dual-piston ionic liquid crankshaft compressor, which comprises a base body, wherein a crankcase is fixedly arranged on the base body, the crankcase is connected with a crankshaft in a switching way, and a crankshaft at one end outside the crankcase is fixedly connected with a belt pulley; the piston is in a stepped shaft shape and comprises an outer head part, an outer neck part, a middle head part, an inner neck part, an inner head part and an inner end part, wherein a plurality of dense annular sealing grooves are processed at the outer head part, and sealing materials are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder; the cavities among the outer neck, the inner neck and the membrane head oil cylinder are filled with ionic liquid, and the inner end part is fixedly connected with a cross head. Compared with the prior art, the invention abandons the membrane structure and only adopts one membrane head, thereby reducing the cost.
Description
Technical Field
The invention relates to a diaphragm compressor, in particular to a horizontal double-piston ionic liquid crankshaft compressor.
Background
The diaphragm compressor is widely used for compressing and conveying various high-purity gases, precious and rare gases, toxic and harmful gases and corrosive gases, is one of the diaphragm compressors for compressing and conveying hydrogen, and mainly comprises a motor, a base, a crankcase, a crankshaft connecting rod motion mechanism, a cylinder body part, an oil-gas pipeline, an electric control system and accessories. The existing hydrogen compressor is usually in a diaphragm type, the diaphragm is an actuating element for realizing hydrogen compression, and once the diaphragm is damaged, the maintenance is complex. In addition, if the gas source has more impurities, the pollution of the diaphragm can be caused, the fault of the compressor is caused, and the maintenance cost is higher.
Disclosure of Invention
In order to overcome one of the technical problems or technical problems in the prior art, the invention discloses a horizontal dual-piston ionic liquid crankshaft compressor, which comprises a base body, wherein a crankshaft case is fixedly arranged on the base body, the crankshaft case is connected with a crankshaft in a switching way, and a pulley is fixedly connected to the crankshaft at one end outside the crankshaft case; the piston is in a stepped shaft shape and comprises an outer head part, an outer neck part, a middle head part, an inner neck part, an inner head part and an inner end part, wherein a plurality of dense annular sealing grooves are processed at the outer head part, and sealing materials are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder; the cavities among the outer neck, the inner neck and the membrane head oil cylinder are filled with ionic liquid, and the inner end part is fixedly connected with a cross head.
Furthermore, the inner end of the membrane head is fixedly connected with a piston pressure plate flange through a screw, an oil seal is arranged in an inner hole of the piston baffle plate flange, and the inner lip edge of the oil seal is abutted to the outer circular surface of the inner head of the piston.
Furthermore, a piston pressure plate flange is sleeved on the inner head, and the piston pressure plate flange is abutted against a shaft shoulder at the inner end and is fixedly connected with the cross shaft head through a screw.
Furthermore, the outer end of the membrane head oil cylinder is blocked by an air inlet and outlet valve flange fixedly connected with the membrane head.
Furthermore, the inner end of the ionic liquid pressure relief pipeline penetrates through the membrane head and a cavity between the outer neck and the inner neck of the membrane head oil cylinder and is communicated with the piston, and the outer end of the ionic liquid pressure relief pipeline is connected with the liquid supply system.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the invention utilizes the piston to compress the hydrogen, abandons the membrane structure, and only adopts one membrane head, thereby reducing the cost.
2. The invention has simple structure and simple and convenient maintenance.
3. The invention uses the ionic liquid to replace the original hydraulic oil, thereby avoiding the limitation and harm of the oil to the compressor in the working process of the compressor.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the piston structure of the present invention.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "in communication" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the two elements may be connected mechanically or electrically, directly or indirectly through an intermediate medium, or through a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The horizontal double-piston ionic liquid crankshaft compressor comprises a base body 4, wherein a crank case 3 is fixedly arranged on the base body 4, the crank case 3 is connected with a crank shaft 1 in a switching mode, a belt pulley 2 is fixedly connected onto the crank shaft 1 at one end outside the crank case 3, the crank neck of the crank shaft 1 in the crank case 3 is connected with the large head end of a connecting rod 5 in a rotating mode, the small head end of the connecting rod 5 is connected with a cross shaft head 7 in a switching mode, a membrane head 13 is fixedly connected to the left side of the crank case 3, a membrane head oil cylinder 11 is in interference fit in the membrane head 13, and a piston 10 is in sliding fit in the membrane head oil cylinder 11; the piston 10 is in a stepped shaft shape and comprises an outer head part 10-6, an outer neck part 10-5, a middle head part 10-4, an inner neck part 10-3, an inner head part 10-2 and an inner end part 10-1, wherein a plurality of dense annular sealing grooves are processed on the outer head part 10-6, and sealing materials are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder 11; the cavity between the outer neck part 10-5, the inner neck part 10-3 and the membrane head oil cylinder 11 is filled with ionic liquid 15, and the inner end part 10-1 is fixedly connected with a cross head 7.
Specifically, the inner end of the membrane head 13 is fixedly connected with a piston pressure plate flange 8 through a screw, an oil seal 9 is arranged in an inner hole of the piston baffle plate flange 8, and the inner lip edge of the oil seal 9 is abutted to the outer circular surface of the inner head 10-2 of the piston 10.
The inner head part 10-2 is sleeved with a piston pressure plate flange 16, and the piston pressure plate flange 16 is abutted against the shaft shoulder of the inner end part 10-1 and is fixedly connected with the cross shaft head 7 through a screw.
The outer end of the membrane head oil cylinder 11 is sealed by an air inlet and outlet valve flange 12 fixedly connected with a membrane head 13.
The inner end of the ionic liquid pressure relief pipeline 14 penetrates through the membrane head 13 and the membrane head oil cylinder 11 in a sealing mode to be communicated with a cavity between the outer neck 10-5 and the inner neck 10-3 of the piston 10 and the membrane head oil cylinder 11, and the outer end of the ionic liquid pressure relief pipeline 14 is connected with the liquid supply system 6.
The working process comprises the following steps: the crankshaft 1 is driven by an external drive motor to rotate, the crankshaft 1 is rigidly connected with the connecting rod 5 through a bolt, the connecting rod 5 is rigidly connected with the cross shaft head 7 through a bolt, and the cross shaft head 7 is rigidly connected with the piston 10 through a bolt, so that the reciprocating motion of the piston 10 is realized through the rotation of the crankshaft 1, and the compression, exhaust, expansion and suction processes of hydrogen are realized. When the piston 10 moves rightwards, the volume in the cavity of the membrane head oil cylinder 11 is increased, the air inlet valve is opened, air is sucked, when the piston 10 moves leftwards, the volume in the cavity of the membrane head oil cylinder 11 is reduced, the air is compressed to set pressure, the air outlet valve is opened, and the air is exhausted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. The horizontal double-piston ionic liquid crankshaft compressor comprises a base body (4), wherein a crank case (3) is fixedly arranged on the base body (4), the crank case (3) is connected with a crank shaft (1) in a switching way, and a belt pulley (2) is fixedly connected to the crank shaft (1) at one end outside the crank case (3), and is characterized in that the crank neck of the crank shaft (1) in the crank case (3) is connected with the large head end of a connecting rod (5) in a switching way, the small head end of the connecting rod (5) is connected with a cross shaft head (7) in a switching way, the left side of the crank case (3) is fixedly connected with a membrane head (13), a membrane head oil cylinder (11) is in interference fit in the membrane head (13), and a piston (10) is in sliding fit in the membrane head oil cylinder (11); the piston (10) is in a stepped shaft shape and comprises an outer head (10-6), an outer neck (10-5), a middle head (10-4), an inner neck (10-3), an inner head (10-2) and an inner end (10-1), wherein a plurality of dense annular sealing grooves are processed on the outer head (10-6), and sealing materials are placed in the annular sealing grooves to realize sealing with the membrane head oil cylinder (11); ionic liquid (15) is filled in a cavity between the outer neck part (10-5), the inner neck part (10-3) and the membrane head oil cylinder (11), and the inner end part (10-1) is fixedly connected with a cross head (7).
2. The horizontal dual-piston ionic liquid crankshaft compressor as claimed in claim 1, wherein the inner end of the membrane head (13) is fixedly connected with a piston pressure plate flange (8) through a screw, an oil seal (9) is installed in an inner hole of the piston baffle plate flange (8), and the inner lip edge of the oil seal (9) abuts against the outer circular surface of the inner head portion (10-2) of the piston (10).
3. The horizontal double-piston ionic liquid crankshaft compressor as claimed in claim 1, wherein a piston pressure plate flange (16) is sleeved on the inner head portion (10-2), and the piston pressure plate flange (16) is abutted against a shaft shoulder of the inner end portion (10-1) and is fixedly connected with the crosshead head (7) through a screw.
4. The horizontal dual-piston ionic liquid crankshaft compressor as claimed in claim 1, wherein the outer end of the membrane head cylinder (11) is blocked by an air inlet and outlet valve flange (12) fixedly connected with the membrane head (13).
5. The horizontal type dual-piston ionic liquid crankshaft compressor as claimed in claim 1, wherein the inner end of the ionic liquid pressure release pipeline (14) penetrates through the membrane head (13) and the membrane head cylinder (11) in a sealing manner to communicate with a cavity between the outer neck (10-5) and the inner neck (10-3) of the piston (10) and the membrane head cylinder (11), and the outer end of the ionic liquid pressure release pipeline (14) is connected with the liquid supply system (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211374819.5A CN115681085A (en) | 2022-11-04 | 2022-11-04 | Horizontal double-piston ionic liquid crankshaft compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211374819.5A CN115681085A (en) | 2022-11-04 | 2022-11-04 | Horizontal double-piston ionic liquid crankshaft compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115681085A true CN115681085A (en) | 2023-02-03 |
Family
ID=85047233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211374819.5A Withdrawn CN115681085A (en) | 2022-11-04 | 2022-11-04 | Horizontal double-piston ionic liquid crankshaft compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115681085A (en) |
-
2022
- 2022-11-04 CN CN202211374819.5A patent/CN115681085A/en not_active Withdrawn
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230203 |