CN220452126U - Liquid drive circulation liquid seal compressor cylinder with isolation cavity - Google Patents
Liquid drive circulation liquid seal compressor cylinder with isolation cavity Download PDFInfo
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- CN220452126U CN220452126U CN202322364601.8U CN202322364601U CN220452126U CN 220452126 U CN220452126 U CN 220452126U CN 202322364601 U CN202322364601 U CN 202322364601U CN 220452126 U CN220452126 U CN 220452126U
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- 239000007788 liquid Substances 0.000 title claims abstract description 77
- 238000002955 isolation Methods 0.000 title claims abstract description 22
- 239000003921 oil Substances 0.000 claims abstract description 73
- 238000007906 compression Methods 0.000 claims abstract description 29
- 230000006835 compression Effects 0.000 claims abstract description 28
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 27
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a liquid-driven circulating liquid-sealed compressor cylinder with an isolation cavity, which comprises a compression cylinder body, a connecting body, an isolation body and an oil cylinder body which are sequentially connected, wherein a piston rod is connected between an air piston and the oil piston through the connecting body and the isolation body so as to compress gas in a first air cavity by injecting oil into a first oil cavity and compress gas in a second air cavity by injecting oil into a second oil cavity; the connecting body and the piston rod enclose into a first liquid seal cavity, the isolating body is internally provided with a first isolating cavity close to the connecting body so as to receive circulating liquid seeping from the first liquid seal cavity, the isolating body is internally provided with a second isolating cavity close to the oil cylinder body so as to receive hydraulic oil seeping from the second oil cavity, the bottom of the first isolating cavity is provided with a circulating liquid leakage detection port, and the bottom of the second isolating cavity is provided with a hydraulic oil leakage detection port. The compressor cylinder has the advantages of high gas compression efficiency, timely maintenance, long service life of the cylinder and the like.
Description
Technical Field
The utility model relates to the field of circulating liquid seal compressors, in particular to a liquid drive circulating liquid seal compressor cylinder with an isolation cavity.
Background
At present, the circulating liquid seal compressor realizes the supercharging of gas by driving a piston in a cylinder body to reciprocate through a crankshaft structure, and stores circulating liquid by arranging an annular cavity between the piston and the cylinder body so as to achieve the purposes of sealing the air cavity and the like, as the compressor disclosed in patent CN 114439728A.
The existing compressor adopts a crankshaft structure and circulating liquid to achieve the purpose of supercharging in a certain range, but the crankshaft structure is easy to shake when in use, so that the use stability is poor, and further the problems of piston deformation, piston abrasion, poor tightness between a piston and a cylinder body and the like are easy to occur, and the service life of the compressor is obviously reduced.
In addition, for the circulating liquid seal compressor, if the circulating liquid seal compressor is not maintained in time after the liquid leakage, the gas can not reach the set pressure after the pressure increasing process, and then the compressed product is failed.
Disclosure of Invention
The utility model provides the liquid-driven circulating liquid-sealed compressor cylinder with the isolation cavity, which can not only drive the piston to reciprocate to compress gas, but also find problems in time for maintenance, and has the advantages of high gas compression efficiency, timely maintenance, long service life of the cylinder and the like.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the hydraulic circulation liquid seal compressor cylinder with the isolation cavity comprises a compression cylinder body, a connecting body, an isolation body and an oil cylinder body which are sequentially connected, wherein the other end of the compression cylinder body is connected with an air seal head, an air piston is arranged in the compression cylinder body, a first air cavity is formed between the air piston and the air seal head, a second air cavity is formed between the air piston and the connecting body, the other end of the oil cylinder body is connected with the oil seal head, an oil piston is arranged in the cylinder body, a first oil cavity is formed between the oil piston and the oil seal head, a second oil cavity is formed between the air piston and the isolation body, a piston rod is connected between the air piston and the oil piston in a penetrating mode, the air in the first air cavity is compressed by injecting oil into the first oil cavity, and the air in the second air cavity is compressed by injecting oil into the second oil cavity;
the connecting body is internally provided with a first annular concave part so as to enclose a first liquid seal cavity with the piston rod, the isolating body is internally provided with a first isolating cavity close to the connecting body so as to receive circulating liquid seeping from the first liquid seal cavity, the isolating body is internally provided with a second isolating cavity close to the oil cylinder body so as to receive hydraulic oil seeping from the second oil cavity, the bottom of the first isolating cavity is provided with a circulating liquid leakage detection port, and the bottom of the second isolating cavity is provided with a hydraulic oil leakage detection port.
Further, a first guiding sealing component is arranged between the piston rod and the connecting body or the isolating body, and the first guiding sealing component is arranged between the first isolating cavity and the first liquid sealing cavity; and a second guiding sealing assembly is arranged between the piston rod and the isolating body or the oil cylinder body, and the second guiding sealing assembly is arranged between the second isolating cavity and the second oil cavity.
Further, a third guiding sealing assembly is arranged between the piston rod and the connecting body or the compression cylinder, and the third guiding sealing assembly is arranged between the first liquid seal cavity and the second air cavity.
Further, a second annular concave part is arranged on the periphery of the air piston so as to form a second liquid seal cavity with the compression cylinder, and a fourth guide sealing assembly is arranged between the air piston and the compression cylinder in the two-end direction of the second liquid seal cavity; a second liquid inlet and a second liquid outlet are formed in the cylinder body corresponding to the second liquid seal cavity; and a first liquid inlet and a first liquid outlet are arranged on the connector corresponding to the first liquid seal cavity.
Further, a first air inlet and a first air outlet which are communicated with the first air cavity are formed in the air seal head, a second air inlet and a second air outlet are formed in the compression cylinder body corresponding to the second air cavity, an air inlet valve is arranged at the first air inlet and the second air inlet, and an air outlet valve is arranged at the first air outlet and the second air outlet.
Further, the oil cylinder body is provided with a first hydraulic oil inlet and a first hydraulic oil outlet which are communicated with the first oil cavity, and a second hydraulic oil inlet and a second hydraulic oil outlet which are communicated with the second oil cavity.
The utility model adopts the technical proposal and has the advantages that: according to the compressor cylinder, the two oil cavities and the two air cavities are connected through the piston rod, so that oil can be injected into different oil cavities to push the air piston to alternately compress the air in the two air cavities, the compression efficiency is high, the whole compression process is stable, the piston is not easy to wear and deform, and the longer service life is ensured.
Through the setting of separator, personnel in time know when facilitating the use and connect internal circulation liquid, hydraulic oil and reveal to in time overhaul when the problem appears, guarantee that follow-up compression work goes on smoothly.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
In the figure, 1, a compression cylinder body, 2, a connecting body, 3, an isolating body, 4, an oil cylinder body, 5, an air seal head, 6, an air piston, 7, a first air cavity, 8, a second air cavity, 9, an oil seal head, 10, an oil piston, 11, a first oil cavity, 12, a second oil cavity, 13, a piston rod, 14, a first liquid seal cavity, 15, a first isolating cavity, 16, a second isolating cavity, 17, a circulating liquid leakage detection port, 18, a hydraulic oil leakage detection port, 19, a first guide seal assembly, 20, a second guide seal assembly, 21, a third guide seal assembly, 22 and a second liquid seal cavity.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.
As shown in fig. 1, in this embodiment, the liquid-driven circulation liquid seal compressor cylinder with an isolation cavity includes a compression cylinder body 1, a connecting body 2, an isolation body 3 and an oil cylinder body 4 which are sequentially connected, wherein the other end of the compression cylinder body 1 is connected with an air seal head 5, an air piston 6 is arranged in the compression cylinder body 1 so as to form a first air cavity 7 with the air seal head 5, a second air cavity 8 is formed between the air seal head 5 and the connecting body 2, a first air inlet and a first air outlet which are communicated with the first air cavity 7 are further arranged on the air seal head 5, a second air inlet and a second air outlet which are communicated with the second air cavity 8 are arranged on the compression cylinder body 1 corresponding to the second air cavity 8, an air inlet valve is arranged at the first air inlet and the second air outlet, an air outlet valve is arranged at the first air outlet and the second air outlet, the other end of the oil cylinder body 4 is connected with an oil seal head 9, an oil piston 10 is arranged in the oil cylinder body 4 so as to form a first oil cavity 11 with the air seal head 9, a second oil cavity 12 is formed between the air seal head 3, a first hydraulic oil inlet and the first oil cavity 11 is communicated with the first air cavity 7, a second hydraulic oil outlet 12 is also arranged on the oil cavity 4, a first hydraulic oil inlet and a second hydraulic oil outlet 12 communicated with the first air inlet and the second air outlet 6 is connected with the first air piston 6 through the first air inlet and the second air inlet 6 and the air inlet 6; the connecting body 2 is internally provided with a first annular concave part so as to form a first liquid seal cavity 14 with the piston rod 13, the isolating body 3 is internally provided with a first isolating cavity 15 close to the connecting body 2 so as to be capable of receiving circulating liquid seeping from the first liquid seal cavity 14, the isolating body 3 is internally provided with a second isolating cavity 16 close to the oil cylinder body 4 so as to be capable of receiving hydraulic oil seeping from the second oil cavity 12, the bottom of the first isolating cavity 15 is provided with a circulating liquid leakage detection port 17, and the bottom of the second isolating cavity 16 is provided with a hydraulic oil leakage detection port 18.
Further, in order to improve the sealing effect, a first guiding sealing assembly 19 is arranged between the piston rod 13 and the connecting body 2 or the isolating body 3, and the first guiding sealing assembly 19 is arranged between the first isolating cavity 15 and the first liquid sealing cavity 14; a second guiding sealing assembly 20 is arranged between the piston rod 13 and the isolating body 3 or the oil cylinder body 4, and the second guiding sealing assembly 20 is arranged between the second isolating cavity 16 and the second oil cavity 12; a third guiding sealing assembly 21 is arranged between the piston rod 13 and the connecting body 2 or the compression cylinder 1, and the third guiding sealing assembly 21 is arranged between the first liquid seal cavity 14 and the second air cavity 8.
Further, for good sealing between the two air chambers, a second annular concave part is arranged on the periphery of the air piston 6 so as to form a second liquid seal cavity 22 with the compression cylinder 1, and a fourth guiding sealing component is arranged between the air piston 6 and the compression cylinder 1 in the directions of two ends of the second liquid seal cavity 22; a second liquid inlet and a second liquid outlet are arranged on the compression cylinder corresponding to the second liquid seal cavity 22; the connector 2 corresponding to the first liquid seal cavity 14 is provided with a first liquid inlet and a first liquid outlet.
Further, the following structures may be adopted with respect to the first guide seal assembly, the second guide seal assembly, the third guide seal assembly, and the fourth guide seal assembly: the device specifically comprises a guide ring and two sealing rings arranged on two sides of the guide ring.
Working principle: firstly, circulating liquid is introduced into a first liquid seal cavity and a second liquid seal cavity to seal, then the gas to be compressed can be introduced into the first air cavity firstly, the gas is stopped after a certain amount of gas is introduced, hydraulic oil is injected into the first oil cavity to push a gas piston to compress the gas in the first air cavity, the gas is discharged from a first gas outlet after the gas is compressed to a set pressure, the gas to be compressed is introduced into the second air cavity while the gas in the first air cavity is compressed, and then the gas in the second air cavity is compressed by injecting oil into the second oil cavity.
The isolating body is arranged between the connecting body and the oil cylinder body and used for detecting whether liquid leakage exists or not, the first isolating cavity and the circulating liquid leakage detecting port are used for detecting whether circulating liquid leaks or not, the second isolating cavity and the hydraulic oil leakage detecting port are used for detecting whether hydraulic oil leaks or not, if so, the liquid leakage can drop out from the detecting port, and the detecting port is convenient to find and maintain in time so as to ensure the normal use of the compressor cylinder.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (6)
1. The hydraulic circulation liquid seal compressor cylinder with the isolation cavity is characterized by comprising a compression cylinder body, a connecting body, an isolation body and an oil cylinder body which are sequentially connected, wherein the other end of the compression cylinder body is connected with an air seal head, an air piston is arranged in the compression cylinder body, a first air cavity is formed between the air piston and the air seal head, a second air cavity is formed between the air piston and the connecting body, the other end of the oil cylinder body is connected with the oil seal head, an oil piston is arranged in the oil cylinder body, a first oil cavity is formed between the oil piston and the oil seal head, a second oil cavity is formed between the air piston and the isolation body, and a piston rod is connected between the air piston and the oil piston in a penetrating mode, so that air in the first air cavity is compressed by injecting oil into the first oil cavity, and air in the second air cavity is compressed by injecting oil into the second oil cavity;
the connecting body is internally provided with a first annular concave part so as to enclose a first liquid seal cavity with the piston rod, the isolating body is internally provided with a first isolating cavity close to the connecting body so as to receive circulating liquid seeping from the first liquid seal cavity, the isolating body is internally provided with a second isolating cavity close to the oil cylinder body so as to receive hydraulic oil seeping from the second oil cavity, the bottom of the first isolating cavity is provided with a circulating liquid leakage detection port, and the bottom of the second isolating cavity is provided with a hydraulic oil leakage detection port.
2. The cylinder of the liquid-driven circulating liquid-sealed compressor with the isolation cavity according to claim 1, wherein a first guiding sealing assembly is arranged between the piston rod and the connecting body or the isolation body, and the first guiding sealing assembly is arranged between the first isolation cavity and the first liquid-sealed cavity; and a second guiding sealing assembly is arranged between the piston rod and the isolating body or the oil cylinder body, and the second guiding sealing assembly is arranged between the second isolating cavity and the second oil cavity.
3. The cylinder of the liquid-driven circulating liquid-sealed compressor with the isolation cavity according to claim 1, wherein a third guiding sealing assembly is arranged between the piston rod and the connecting body or the compression cylinder, and the third guiding sealing assembly is arranged between the first liquid-sealed cavity and the second air cavity.
4. The cylinder of the liquid-driven circulating liquid-sealed compressor with the isolation cavity according to claim 1, wherein a second annular concave part is arranged on the periphery of the gas piston so as to form a second liquid-sealed cavity with the compression cylinder, and a fourth guiding sealing assembly is arranged between the gas piston and the compression cylinder in the directions of two ends of the second liquid-sealed cavity;
a second liquid inlet and a second liquid outlet are formed in the cylinder body corresponding to the second liquid seal cavity; and a first liquid inlet and a first liquid outlet are arranged on the connector corresponding to the first liquid seal cavity.
5. The cylinder of the liquid-driven circulating liquid-sealed compressor with the isolation cavity according to claim 1, wherein the air seal head is provided with a first air inlet and a first air outlet which are communicated with the first air cavity, the compression cylinder body corresponding to the second air cavity is provided with a second air inlet and a second air outlet, the first air inlet and the second air inlet are provided with air inlet valves, and the first air outlet and the second air outlet are provided with air outlet valves.
6. The cylinder of the liquid-driven circulating liquid-sealed compressor with the isolation cavity according to claim 1, wherein the cylinder body is provided with a first hydraulic oil inlet and a first hydraulic oil outlet which are communicated with the first oil cavity, and a second hydraulic oil inlet and a second hydraulic oil outlet which are communicated with the second oil cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364601.8U CN220452126U (en) | 2023-08-31 | 2023-08-31 | Liquid drive circulation liquid seal compressor cylinder with isolation cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364601.8U CN220452126U (en) | 2023-08-31 | 2023-08-31 | Liquid drive circulation liquid seal compressor cylinder with isolation cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452126U true CN220452126U (en) | 2024-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322364601.8U Active CN220452126U (en) | 2023-08-31 | 2023-08-31 | Liquid drive circulation liquid seal compressor cylinder with isolation cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452126U (en) |
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2023
- 2023-08-31 CN CN202322364601.8U patent/CN220452126U/en active Active
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