CN220909924U - Double-acting liquid-driven circulating liquid-sealed compressor with piston rod for feeding and discharging liquid - Google Patents
Double-acting liquid-driven circulating liquid-sealed compressor with piston rod for feeding and discharging liquid Download PDFInfo
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- CN220909924U CN220909924U CN202322806346.8U CN202322806346U CN220909924U CN 220909924 U CN220909924 U CN 220909924U CN 202322806346 U CN202322806346 U CN 202322806346U CN 220909924 U CN220909924 U CN 220909924U
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- 239000007788 liquid Substances 0.000 title claims abstract description 123
- 238000007599 discharging Methods 0.000 title claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 21
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 238000007906 compression Methods 0.000 abstract description 14
- 230000006835 compression Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000004308 accommodation Effects 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a double-acting liquid-driven circulating liquid seal compressor with a piston rod for feeding and discharging liquid, which comprises an oil cylinder body, wherein two ends of the oil cylinder body are connected with an air cylinder body through a first connecting body and a second connecting body in sequence, the piston rod is connected between an oil piston of the oil cylinder body and an air piston of the air cylinder body, a containing space is formed between the first connecting body and the second connecting body outside the piston rod, a first circulating liquid cavity is formed between the air piston and the air cylinder body, a liquid feeding channel and a liquid discharging channel are arranged in the air piston and the piston rod, one ends of the liquid feeding channel and the liquid discharging channel extend to the first circulating liquid cavity, a first liquid inlet and a first liquid discharging outlet are formed on the piston rod of the containing space at the other ends of the liquid feeding channel and the liquid discharging channel, so that a liquid hose is respectively connected in the containing space, and the other ends of the liquid hose penetrate out of the side part of the connecting piece or are connected with an external connector on the connecting piece. The compressor has the advantages of good cooling effect, high compression efficiency, stable compression and the like.
Description
Technical Field
The utility model relates to the field of compressors, in particular to a double-acting liquid-driven circulating liquid-sealed compressor with a piston rod for feeding and discharging liquid.
Background
At present, a circulating liquid seal compressor mainly utilizes a crankshaft structure to drive a piston in a cylinder body to reciprocate so as to boost gas; the circulating liquid is stored by arranging a liquid seal cavity between the piston and the cylinder body, so that the purposes of sealing, lubricating, cooling and the like are achieved.
When the existing compressor is used, the crankshaft structure is adopted to drive the piston, so that the piston is easy to shake, the service stability is poor, the problems of piston deformation, piston abrasion, poor tightness between the piston and the cylinder body and the like are easy to occur, and the service life of the compressor is influenced.
In addition, for the existing compressor cylinder, the circulating liquid in the liquid seal cavity mainly plays a role in sealing and lubricating, and plays a certain role in cooling along the way, such as the cylinder in the compressor disclosed in patent CN 114439728A. Because the compressor utilizes the reciprocating motion of the piston to do work, a great amount of heat can be generated between the piston and the cylinder body and between the piston rod and the cylinder cover due to friction, the piston rod and the piston are easy to deform after being heated, and the conditions of unsmooth motion or blocking and the like can possibly occur, so that the aim of effectively cooling the structures such as the piston, the cylinder body and the like is difficult to achieve only by injecting circulating liquid into a liquid seal cavity between the piston and the cylinder body for cooling, and improvement is needed.
Disclosure of utility model
The utility model provides the double-acting liquid-driven circulating liquid-sealed compressor with the piston rod for feeding and discharging, which overcomes the defects of the prior art, and has the advantages of good cooling effect, high compression efficiency, stable compression and the like.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
The double-acting liquid-driven circulating liquid seal compressor comprises an oil cylinder body, wherein two ends of the oil cylinder body are respectively connected with the oil cylinder body through a connecting piece, an air piston and an oil piston are respectively arranged in the oil cylinder body and the oil cylinder body, the connecting piece comprises a first connecting body and a second connecting body which are sequentially connected between the oil cylinder body and the oil cylinder body, a first hydraulic cavity and a second hydraulic cavity are formed between the oil piston and the two first connecting bodies, a hydraulic oil port which is respectively communicated with the first hydraulic cavity and the second hydraulic cavity is arranged on the oil cylinder body, a first pneumatic cavity is formed between the air piston and the second connecting body, and a sealing cover is connected at the other end of the air cylinder body so as to form a second pneumatic cavity with the air piston;
The oil piston is connected with a piston rod through a connecting piece between the oil piston and the air piston, a containing space is formed between a first connecting body and a second connecting body outside the piston rod, a first circulating liquid cavity is formed between the air piston and the cylinder body, a liquid inlet channel and a liquid outlet channel are arranged in the air piston and the piston rod, one ends of the liquid inlet channel and the liquid outlet channel extend to the first circulating liquid cavity, a first liquid inlet and a first liquid outlet are formed on the piston rod in the containing space at the other ends of the liquid inlet channel and the liquid outlet channel, liquid hoses arranged in the containing space are respectively connected outside the first liquid inlet and the first liquid outlet, and the other ends of the liquid hoses penetrate through the side part of the connecting piece to be arranged or are connected with external connectors on the connecting piece.
Further, an annular groove is formed in the second connecting body, so that a second circulating liquid cavity is formed between the second connecting body and the piston rod, and a second liquid inlet and a second liquid outlet which are communicated with the second circulating liquid cavity are formed in the second connecting body.
Further, a first sealing guide component is arranged between the air piston and the air cylinder body at two sides of the first circulating liquid cavity, and a second sealing guide component is arranged between the piston rod and the second connecting body at two sides of the second circulating liquid cavity.
Further, a cylinder sleeve is further arranged in the cylinder body, the air piston is arranged in the cylinder sleeve, a spiral cooling cavity is arranged between the cylinder sleeve and the cylinder body, and a third liquid inlet and a third liquid outlet which are communicated with the spiral cooling cavity are formed in the cylinder body.
Further, a first air inlet and a first air outlet which are communicated with the first air pressure cavity are formed in the sealing cover or the air cylinder body, a second air inlet and a second air outlet which are communicated with the second air pressure cavity are formed in the air cylinder body, air inlet valves are respectively arranged at the first air inlet and the second air inlet, and air outlet valves are respectively arranged at the first air outlet and the second air outlet.
The utility model adopts the technical proposal and has the advantages that: according to the compressor, the first circulating liquid cavity is arranged between the air piston and the cylinder body, the liquid inlet channel and the liquid outlet channel are arranged in the air piston and the piston rod, and the liquid communication hose matched and communicated with the piston rod is arranged in the accommodating space, so that in the compression process, the structures such as the piston, the piston rod and the cylinder body can be continuously and effectively cooled, and the compression work can be smoothly carried out. The oil cylinder body and the cylinder bodies at the two ends of the oil cylinder body are matched, so that the gas compression process can be performed more stably; on the other hand, the energy in the reciprocating motion process of the piston can be fully utilized, and the compression efficiency is higher.
In addition, for structures such as the air piston, the piston rod and the like, the arrangement is beneficial to stable and smooth compression work and prolonging the service life of the air piston.
Drawings
FIG. 1 is a schematic cross-sectional view of one embodiment of the present utility model.
In the figure, 1, an oil cylinder body, 2, a cylinder body, 3, an air piston, 4, an oil piston, 5, a first connecting body, 6, a second connecting body, 7, a first hydraulic cavity, 8, a second hydraulic cavity, 9, a first pneumatic cavity, 10, a sealing cover, 11, a second pneumatic cavity, 12, a piston rod, 13, a containing space, 14, a first circulating liquid cavity, 15, a liquid inlet channel, 16, a liquid outlet channel, 17, a liquid through hose, 18, a second circulating liquid cavity, 19, a cylinder sleeve, 20 and a spiral cooling 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.
As shown in fig. 1, in this embodiment, the double-acting liquid-driven circulation liquid seal compressor for liquid inlet and outlet of the piston rod includes an oil cylinder 1, two ends of the oil cylinder 1 are respectively connected with an air cylinder 2 through a connecting piece, the air cylinder 2 and the oil cylinder 1 are respectively provided with an air piston 3 and an oil piston 4, the connecting piece includes a first connecting body 5 and a second connecting body 6 which are sequentially connected between the oil cylinder 1 and the air cylinder 2, a first hydraulic cavity 7 and a second hydraulic cavity 8 are formed between the oil piston 4 and the two first connecting bodies 5, a hydraulic oil port which is respectively communicated with the first hydraulic cavity 7 and the second hydraulic cavity 8 is formed on the oil cylinder 1, a first air pressure cavity 9 is formed between the air piston 3 and the second connecting body 6, and the other end of the air cylinder 2 is connected with a sealing cover 10 so as to form a second air pressure cavity 11 with the air piston 3;
The oil piston 4 is connected with the piston rod 12 through the connecting piece between the gas piston 3, be formed with accommodation space 13 outside the piston rod 12 between first connector 5 and second connector 6, be formed with first circulation liquid chamber 14 between gas piston 3 and cylinder block 2, be equipped with feed liquor passageway 15 and drain passageway 16 in gas piston 3 and the piston rod 12, feed liquor passageway 15 and drain passageway 16's one end extends to first circulation liquid chamber 14, and the other end forms first inlet and first liquid outlet on the piston rod 12 in accommodation space 13, be connected with the logical liquid hose 17 of settling in accommodation space 13 outside first inlet and first liquid outlet respectively, logical liquid hose 17 other end wears out the connecting piece lateral part setting or links to each other with external joint on it.
Further, in order to realize cooling and sealing between the piston rod 12 and the second connecting body 6, an annular groove is provided in the second connecting body 6 to form a second circulating liquid cavity 18 with the piston rod 12, and a second liquid inlet and a second liquid outlet which are communicated with the second circulating liquid cavity 18 are provided on the second connecting body 6.
Further, a first sealing guiding component is disposed between the air piston 3 and the air cylinder body 2 at two sides of the first circulating liquid cavity 14, a second sealing guiding component is disposed between the piston rod 12 and the second connecting body 6 at two sides of the second circulating liquid cavity 18, and the first sealing guiding component and the second sealing guiding component can specifically adopt the following structures: consists of a guide ring and a sealing ring at the side part of the guide ring.
Further, a cylinder sleeve 19 is further disposed in the cylinder block 2, the air piston 3 is disposed in the cylinder sleeve, a spiral cooling cavity 20 is disposed between the cylinder sleeve 19 and the cylinder block 2, and a third liquid inlet and a third liquid outlet which are communicated with the spiral cooling cavity 20 are disposed on the cylinder block 2. So set up, not only accessible cylinder liner increases the wearability, still conveniently sets up spiral cooling chamber to let in cooling medium such as cold water and increase the cooling effect in it.
Further, the sealing cover 10 or the cylinder body 2 is provided with a first air inlet and a first air outlet which are communicated with the first air pressure cavity 9, the cylinder body 2 is provided with a second air inlet and a second air outlet which are communicated with the second air pressure cavity 11, air inlet valves are respectively arranged at the first air inlet and the second air inlet, and exhaust valves are respectively arranged at the first air outlet and the second air outlet.
When the air compression device works, the air pistons in the two cylinder bodies are alternately driven to reciprocate by alternately injecting hydraulic oil into the first hydraulic cavity and the second hydraulic cavity, so that the air compression process is efficiently and stably completed. In the compression process, the circulating liquid is continuously introduced into the first circulating liquid cavity, so that sealing and lubrication between the air piston and the cylinder body can be realized, the circulating liquid is continuously introduced into the second circulating liquid cavity, sealing and lubrication between the piston rod and the second connecting body can be realized, the liquid inlet channel and the liquid outlet channel are arranged in the piston rod, the liquid inlet and outlet of the first circulating liquid cavity are connected through the liquid inlet hose, the structures such as the piston rod, the piston and the cylinder body can be cooled well in the compression process, and the compression process is further facilitated. 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 (5)
1. The double-acting liquid-driven circulating liquid seal compressor for the liquid inlet and outlet of the piston rod is characterized by comprising an oil cylinder body, wherein two ends of the oil cylinder body are respectively connected with the oil cylinder body through a connecting piece, an air piston and an oil piston are respectively arranged in the oil cylinder body and the oil cylinder body, the connecting piece comprises a first connecting body and a second connecting body which are sequentially connected between the oil cylinder body and the oil cylinder body, a first hydraulic cavity and a second hydraulic cavity are formed between the oil piston and the two first connecting bodies, a hydraulic oil port which is respectively communicated with the first hydraulic cavity and the second hydraulic cavity is formed in the oil cylinder body, a first pneumatic cavity is formed between the air piston and the second connecting body, and a sealing cover is connected to the other end of the air cylinder body so as to form a second pneumatic cavity with the air piston;
The oil piston is connected with a piston rod through a connecting piece between the oil piston and the air piston, a containing space is formed between a first connecting body and a second connecting body outside the piston rod, a first circulating liquid cavity is formed between the air piston and the cylinder body, a liquid inlet channel and a liquid outlet channel are arranged in the air piston and the piston rod, one ends of the liquid inlet channel and the liquid outlet channel extend to the first circulating liquid cavity, a first liquid inlet and a first liquid outlet are formed on the piston rod in the containing space at the other ends of the liquid inlet channel and the liquid outlet channel, liquid hoses arranged in the containing space are respectively connected outside the first liquid inlet and the first liquid outlet, and the other ends of the liquid hoses penetrate through the side part of the connecting piece to be arranged or are connected with external connectors on the connecting piece.
2. The double-acting liquid-driven circulating liquid seal compressor for feeding and discharging liquid from a piston rod according to claim 1, wherein an annular groove is arranged in the second connecting body so as to form a second circulating liquid cavity with the piston rod, and a second liquid inlet and a second liquid outlet which are communicated with the second circulating liquid cavity are arranged on the second connecting body.
3. The double-acting liquid-driven circulating liquid seal compressor for the inlet and outlet of the piston rod according to claim 2, wherein a first sealing guide assembly is arranged between the air piston and the cylinder block at two sides of the first circulating liquid cavity, and a second sealing guide assembly is arranged between the piston rod and the second connector at two sides of the second circulating liquid cavity.
4. The double-acting liquid-driven circulating liquid seal compressor with piston rod liquid inlet and outlet according to claim 1, wherein a cylinder sleeve is further arranged in the cylinder body, the air piston is arranged in the cylinder sleeve, a spiral cooling cavity is arranged between the cylinder sleeve and the cylinder body, and a third liquid inlet and a third liquid outlet which are communicated with the spiral cooling cavity are arranged on the cylinder body.
5. The double-acting liquid-driven circulating liquid seal compressor for the inlet and the outlet of the piston rod according to claim 1, wherein a first air inlet and a first air outlet which are communicated with a first air pressure cavity are formed in the sealing cover or the cylinder body, a second air inlet and a second air outlet which are communicated with a second air pressure cavity are formed in the cylinder body, an air inlet valve is respectively arranged at the first air inlet and the second air inlet, and an air outlet valve is respectively arranged at the first air outlet and the second air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322806346.8U CN220909924U (en) | 2023-10-19 | 2023-10-19 | Double-acting liquid-driven circulating liquid-sealed compressor with piston rod for feeding and discharging liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322806346.8U CN220909924U (en) | 2023-10-19 | 2023-10-19 | Double-acting liquid-driven circulating liquid-sealed compressor with piston rod for feeding and discharging liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220909924U true CN220909924U (en) | 2024-05-07 |
Family
ID=90907422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322806346.8U Active CN220909924U (en) | 2023-10-19 | 2023-10-19 | Double-acting liquid-driven circulating liquid-sealed compressor with piston rod for feeding and discharging liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220909924U (en) |
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2023
- 2023-10-19 CN CN202322806346.8U patent/CN220909924U/en active Active
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