CN221096758U - Full-sealed VPSA oil-free compressor - Google Patents
Full-sealed VPSA oil-free compressor Download PDFInfo
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- CN221096758U CN221096758U CN202421004981.2U CN202421004981U CN221096758U CN 221096758 U CN221096758 U CN 221096758U CN 202421004981 U CN202421004981 U CN 202421004981U CN 221096758 U CN221096758 U CN 221096758U
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- 230000006835 compression Effects 0.000 claims abstract description 64
- 238000007906 compression Methods 0.000 claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 230000000712 assembly Effects 0.000 claims abstract description 40
- 238000000429 assembly Methods 0.000 claims abstract description 40
- 238000009423 ventilation Methods 0.000 claims description 37
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000004576 sand Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The utility model discloses a full-sealed VPSA oil-free compressor, which belongs to the technical field of compressors and comprises a full-sealed motor, a compressor body, a positive pressure compression assembly and a negative pressure compression assembly; the bottom of the compressor body is connected with a full-sealed motor, a power output shaft of the full-sealed motor is positioned in the compressor body, an eccentric shaft assembly is arranged on the power output shaft of the full-sealed motor, a body top sealing cover is arranged at the top end of the power output shaft of the full-sealed motor, and the body top sealing cover is fixedly connected with the compressor body; the positive pressure compression assembly is provided with two, the negative pressure compression assembly is provided with two, the two positive pressure compression assemblies are symmetrically and hermetically arranged on the left side and the right side of the compressor body, and the two negative pressure compression assemblies are symmetrically and hermetically arranged on the front side and the rear side of the compressor body. The utility model can effectively solve the problem that the utility model can not be used in outdoor environments such as sand wind, dust and the like, particles and impurities can not enter the compressor, and the service life of the full-sealed VPSA oil-free compressor is ensured.
Description
Technical Field
The utility model belongs to the technical field of compressors, and particularly relates to a full-sealed VPSA oil-free compressor.
Background
In a VPSA vacuum negative pressure desorption oxygen plant, a VPSA oil-free compressor is a key component of the VPSA oxygen plant. At present, there is a VPSA oil-free compressor product on the market, the motor and the compressor body structure of the product are both open structures, and the bottom of the motor of the product is designed to be open structures, and the main function of the product is heat dissipation; but this kind of structure can get into granule and impurity in motor rotor operation, simultaneously because the rotor is magnetic structure, has certain adsorption to impurity, leads to the compressor to only can be in very clear operating mode operation, can't use in outdoor environment such as sand blown by wind, dustiness, can lead to motor stall or damage reduction compressor life after the impurity adsorbs. In addition, the top of the compressor body of the product is also of an open structure design, and when the compressor is used in an outdoor environment, workpieces such as a middle motor shaft and a bearing are blocked due to the influence of dust and sand, so that the energy consumption and the heat productivity are increased, and the service life of the compressor is reduced. In addition, the side of the motor of the product is also of an open structure design, the motor is in an unprotected state, and meanwhile, the problem of extremely high risk exists for the use safety of a user, and once the motor is touched by mistake, the motor can cause great damage to a human body.
Disclosure of utility model
The utility model aims at the problems, overcomes the defects of the prior art, and provides a full-sealed VPSA oil-free compressor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A full-sealed VPSA oil-free compressor comprises a full-sealed motor, a compressor body, a positive pressure compression assembly and a negative pressure compression assembly; the bottom of the compressor body is connected with a full-sealed motor, a power output shaft of the full-sealed motor is positioned in the compressor body, an eccentric shaft assembly is arranged on the power output shaft of the full-sealed motor, a body top sealing cover is arranged at the top end of the power output shaft of the full-sealed motor, and the body top sealing cover is fixedly connected with the compressor body; the two positive pressure compression assemblies are symmetrically arranged on the left side and the right side of the compressor body, and the two negative pressure compression assemblies are symmetrically arranged on the front side and the rear side of the compressor body; the two positive pressure compression assemblies and the two negative pressure compression assemblies are connected to the eccentric shaft assembly, and one end of the two positive pressure compression assemblies connected to the eccentric shaft assembly is positioned above one end of the two negative pressure compression assemblies; two positive pressure air exchanging straight connecting pipes are arranged between the two positive pressure compression assemblies, two negative pressure air exchanging straight connecting pipes are arranged between the two negative pressure compression assemblies, the two positive pressure compression assemblies are communicated through the two positive pressure air exchanging straight connecting pipes, the two negative pressure compression assemblies are communicated through the two negative pressure air exchanging straight connecting pipes, positive pressure air inlets and positive pressure air outlets are respectively arranged on the two positive pressure air exchanging straight connecting pipes, and negative pressure air inlets and negative pressure air outlets are respectively arranged on the two negative pressure air exchanging straight connecting pipes.
Further, supporting feet are symmetrically arranged on the front side and the rear side of the bottom of the compressor body.
Further, the eccentric shaft assembly comprises a lower limiting centralizer, an eccentric crankshaft and an upper limiting centralizer, the power output shaft of the full-sealed motor is sequentially connected with the lower limiting centralizer, the eccentric crankshaft and the upper limiting centralizer from bottom to top, a bearing is fixedly arranged between the lower limiting centralizer and the compressor body, one ends of the two negative pressure compression assemblies are connected to the lower part of the eccentric crankshaft, one ends of the two positive pressure compression assemblies are connected to the upper part of the eccentric crankshaft, and a bearing is fixedly arranged between the upper limiting centralizer and the top sealing cover of the body.
Further, the positive pressure compression assembly comprises a positive pressure short connecting rod, a positive pressure compensation angle pressing plate, a positive pressure valve body cover, a positive pressure valve body and a positive pressure cylinder, wherein one end of the positive pressure short connecting rod is connected to the eccentric crankshaft through a bearing, and the other end face of the positive pressure short connecting rod is connected with the positive pressure compensation angle pressing plate; the positive pressure valve body cover, the positive pressure valve body and the positive pressure cylinder are sequentially connected and then are sealed and fixed on the compressor body, and the positive pressure short connecting rod can be movably connected in the positive pressure cylinder.
Further, a positive pressure dynamic sealing ring is arranged at the joint of the positive pressure short connecting rod and the positive pressure compensation angle pressing plate, and the outer ring surface of the positive pressure dynamic sealing ring is in contact with the inner surface of the positive pressure cylinder; a positive pressure valve body sealing ring, a positive pressure double Kong Huanqi valve plate and a positive pressure double Kong Huanqi valve plate limiting piece are arranged between the positive pressure valve body cover and the positive pressure valve body, the positive pressure double-hole ventilation valve plate is fixedly connected to the positive pressure valve body through the positive pressure double Kong Huanqi valve plate limiting piece, and the positive pressure valve body sealing ring is arranged at the joint of the positive pressure valve body cover and the positive pressure valve body; the positive pressure cylinder and the positive pressure valve body are connected with a positive pressure cylinder plane sealing ring and a positive pressure inner sealing ring, a positive pressure single Kong Huanqi valve plate limiting piece and a positive pressure single hole ventilation valve plate are arranged on the end face of the positive pressure valve body opposite to the positive pressure short connecting rod, and the positive pressure single hole ventilation valve plate is fixedly connected to the center of the positive pressure valve body through the positive pressure single hole ventilation valve plate limiting piece.
Further, the negative pressure compression assembly comprises a negative pressure short connecting rod, a negative pressure compensation angle pressing plate, a negative pressure valve body cover, a negative pressure valve body and a negative pressure air cylinder, wherein one end of the negative pressure short connecting rod is connected to the eccentric crankshaft through a bearing, and the other end face of the negative pressure short connecting rod is connected with the negative pressure compensation angle pressing plate; the negative pressure valve body cover, the negative pressure valve body and the negative pressure cylinder are sequentially connected and then are sealed and fixed on the compressor body, and the negative pressure short connecting rod can be movably connected in the negative pressure cylinder.
Further, a negative pressure movable sealing ring is arranged at the joint of the negative pressure short connecting rod and the negative pressure compensation angle pressing plate, and the outer ring surface of the negative pressure movable sealing ring is in contact with the inner surface of the negative pressure cylinder; a negative pressure valve body sealing ring, a negative pressure double-hole ventilation valve plate and a negative pressure double-hole ventilation valve plate limiting piece are arranged between the negative pressure valve body cover and the negative pressure valve body, the negative pressure double-hole ventilation valve plate is fixedly connected to the negative pressure valve body through the negative pressure double-hole ventilation valve plate limiting piece, and the negative pressure valve body sealing ring is arranged at the joint of the negative pressure valve body cover and the negative pressure valve body; the negative pressure cylinder is provided with a negative pressure cylinder plane sealing ring and a negative pressure inner sealing ring at the joint of the negative pressure cylinder and the negative pressure valve body, a negative pressure single Kong Huanqi valve block limiting piece and a negative pressure single hole ventilation valve block are arranged on the end face of the negative pressure valve body opposite to the negative pressure short connecting rod, and the negative pressure single Kong Huanqi valve block is fixedly connected to the center of the negative pressure valve body through the negative pressure single Kong Huanqi valve block limiting piece.
Compared with the prior art, the utility model has the beneficial effects that:
According to the full-sealed VPSA oil-free compressor provided by the utility model, the adopted motor is a full-sealed motor, and the compressor body forms a full-sealed structure through the top sealing cover of the machine body, the positive pressure compression assembly and the negative pressure compression assembly which are hermetically arranged at the periphery, so that the problem that products in the prior art cannot be used in outdoor environments such as sand, dust and the like can be effectively solved, particles and impurities cannot enter the inside of the compressor, and the service life of the full-sealed VPSA oil-free compressor is ensured; the full-sealing structure of the full-sealing VPSA oil-free compressor also ensures the use safety of users.
Drawings
Fig. 1 is a schematic perspective view of a full-sealed VPSA oil-free compressor according to the present utility model.
Fig. 2 is a schematic diagram showing an exploded structure of a full-sealed VPSA oil-free compressor according to the present utility model.
Fig. 3 is a schematic diagram of the internal structure of a fully sealed VPSA oil-free compressor according to the present utility model.
The marks in the figure: 1 is a full-sealed motor, 2 is a supporting leg, 3 is a negative pressure ventilation direct connecting pipe, 4 is a compressor body, 5 is a negative pressure air inlet, 6 is a positive pressure compression assembly, 7 is a positive pressure ventilation direct connecting pipe, 8 is a sealing cover at the top of the body, 9 is a positive pressure air outlet, 10 is a positive pressure air inlet, 11 is a negative pressure air outlet, 12 is a negative pressure compression assembly, 13 is a lower limit centralizer, 14 is an eccentric crankshaft, and 15 is an upper limit centralizer;
601 is a positive pressure valve body cover, 602 is a positive pressure valve body sealing ring, 603 is a positive pressure valve body, 604 is a positive pressure cylinder plane sealing ring, 605 is a positive pressure inner sealing ring, 606 is a positive pressure cylinder, 607 is a positive pressure compensation angle pressing plate, 608 is a positive pressure movable sealing ring, 609 is a positive pressure short connecting rod, 610 is a positive pressure single-hole ventilation valve plate limiting piece, 611 is a positive pressure single-hole ventilation valve plate, 612 is a positive pressure double Kong Huanqi valve plate, and 613 is a positive pressure double Kong Huanqi valve plate limiting piece;
1201 is negative pressure valve body cover, 1202 is negative pressure valve body sealing ring, 1203 is negative pressure valve body, 1204 is negative pressure cylinder plane sealing ring, 1205 is negative pressure inner sealing ring, 1206 is negative pressure cylinder, 1207 is negative pressure compensation angle pressing plate, 1208 is negative pressure movable sealing ring, 1209 is negative pressure short connecting rod, 1210 is negative pressure single Kong Huanqi valve block limiting piece, 1211 is negative pressure single hole ventilation valve block, 1212 is negative pressure double hole ventilation valve block, 1213 is negative pressure double hole ventilation valve block limiting piece.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, an embodiment of the present utility model provides a hermetically sealed VPSA oil-free compressor, which includes a hermetically sealed motor 1, a compressor body 4, a positive pressure compression assembly 6, and a negative pressure compression assembly 12; the bottom of the compressor body 4 is connected with the full-sealed motor 1, a power output shaft of the full-sealed motor 1 is positioned in the compressor body 4, an eccentric shaft assembly is arranged on the power output shaft of the full-sealed motor 1, a body top sealing cover 8 is arranged at the top end of the power output shaft of the full-sealed motor 1, and the body top sealing cover 8 is fixedly connected with the compressor body 4; the two positive pressure compression assemblies 6 and the two negative pressure compression assemblies 12 are arranged, the two positive pressure compression assemblies 6 are symmetrically and hermetically arranged on the left side and the right side of the compressor body 4, and the two negative pressure compression assemblies 12 are symmetrically and hermetically arranged on the front side and the rear side of the compressor body 4; the two positive pressure compression assemblies 6 and the two negative pressure compression assemblies 12 are connected to the eccentric shaft assembly, and one end of the two positive pressure compression assemblies 6 connected to the eccentric shaft assembly is positioned above one end of the two negative pressure compression assemblies 12; two positive pressure air exchanging straight connecting pipes 7 are arranged between the two positive pressure compression assemblies 6, two negative pressure air exchanging straight connecting pipes 3 are arranged between the two negative pressure compression assemblies 12, the two positive pressure compression assemblies 6 are communicated through the two positive pressure air exchanging straight connecting pipes 7, the two negative pressure compression assemblies 12 are communicated through the two negative pressure air exchanging straight connecting pipes 3, a positive pressure air inlet 10 and a positive pressure air outlet 9 are respectively arranged on the two positive pressure air exchanging straight connecting pipes 7, and a negative pressure air inlet 5 and a negative pressure air outlet 11 are respectively arranged on the two negative pressure air exchanging straight connecting pipes 3.
Specifically, the positive pressure air inlet 10, the positive pressure air outlet 9, the negative pressure air inlet 5 and the negative pressure air outlet 11 are all quick through joint standard components.
Support legs 2 are symmetrically arranged on the front side and the rear side of the bottom of the compressor body 4, and the support legs 2 are fixedly arranged on the compressor body 4 through screws; specifically, the supporting feet 2 can be used for installing and fixing the full-sealed VPSA oil-free compressor.
In addition, the hermetically sealed motor 1 may be a unidirectional motor.
The eccentric shaft assembly comprises a lower limit centralizer 13, an eccentric crankshaft 14 and an upper limit centralizer 15, the power output shaft of the fully-sealed motor 1 is sequentially connected with the lower limit centralizer 13, the eccentric crankshaft 14 and the upper limit centralizer 15 from bottom to top, a bearing is fixedly arranged between the lower limit centralizer 13 and the compressor body 4, one end of each of two negative pressure compression assemblies 12 is connected to the lower part of the eccentric crankshaft 14, one end of each of two positive pressure compression assemblies 6 is connected to the upper part of the eccentric crankshaft 14, and a bearing is fixedly arranged between the upper limit centralizer 15 and the sealing cover 8 at the top of the body.
The positive pressure compression assembly 6 comprises a positive pressure short connecting rod 609, a positive pressure compensation angle pressing plate 607, a positive pressure valve body cover 601, a positive pressure valve body 603 and a positive pressure cylinder 606, wherein one end of the positive pressure short connecting rod 609 is connected to the eccentric crankshaft 14 through an ultrathin high-speed bearing, and the other end face of the positive pressure short connecting rod 609 is connected with the positive pressure compensation angle pressing plate 607; the positive pressure valve body cover 601, the positive pressure valve body 603 and the positive pressure cylinder 606 are sequentially connected and then are sealed and fixed on the compressor body 4, and the positive pressure short connecting rod 609 can be movably connected in the positive pressure cylinder 606.
A positive pressure movable sealing ring 608 is arranged at the joint of the positive pressure short connecting rod 609 and the positive pressure compensation angle pressing plate 607, and the outer ring surface of the positive pressure movable sealing ring 608 is contacted with the inner surface of the positive pressure cylinder 606; a positive pressure valve body sealing ring 602, a positive pressure double Kong Huanqi valve block 612 and a positive pressure double Kong Huanqi valve block limiting piece 613 are arranged between the positive pressure valve body cover 601 and the positive pressure valve body 603, the positive pressure double Kong Huanqi valve block 612 is fixedly connected to the positive pressure valve body 603 through the positive pressure double Kong Huanqi valve block limiting piece 613, and the positive pressure valve body sealing ring 602 is arranged at the joint of the positive pressure valve body cover 601 and the positive pressure valve body 603; the positive pressure cylinder 606 is provided with a positive pressure cylinder plane sealing ring 604 and a positive pressure inner sealing ring 605 at the joint with the positive pressure valve body 603, a positive pressure single Kong Huanqi valve block limiting piece 610 and a positive pressure single hole ventilation valve block 611 are arranged on the end face of the positive pressure valve body 603 opposite to the positive pressure short connecting rod 609, and the positive pressure single hole ventilation valve block 611 is fixedly connected to the center of the positive pressure valve body 603 through the positive pressure single hole ventilation valve block limiting piece 610.
The negative pressure compression assembly 12 comprises a negative pressure short connecting rod 1209, a negative pressure compensation angle pressing plate 1207, a negative pressure valve body cover 1201, a negative pressure valve body 1203 and a negative pressure cylinder 1206, wherein one end of the negative pressure short connecting rod 1209 is connected to the eccentric crankshaft 14 through an ultrathin high-speed bearing, and the other end surface of the negative pressure short connecting rod 1209 is connected with the negative pressure compensation angle pressing plate 1207; the negative pressure valve body cover 1201, the negative pressure valve body 1203 and the negative pressure cylinder 1206 are sequentially connected and then are sealed and fixed on the compressor body 4, and the negative pressure short connecting rod 1209 can be movably connected in the negative pressure cylinder 1206.
A negative pressure movable sealing ring is arranged at the joint of the negative pressure short connecting rod 1209 and the negative pressure compensation angle pressing plate 1207, and the outer ring surface of the negative pressure movable sealing ring 1208 is contacted with the inner surface of the negative pressure cylinder 1206; a negative pressure valve body sealing ring 1202, a negative pressure double-hole ventilation valve plate 1212 and a negative pressure double-hole ventilation valve plate limiting piece 1213 are arranged between the negative pressure valve body cover 1201 and the negative pressure valve body 1203, the negative pressure double-hole ventilation valve plate 1212 is fixedly connected to the negative pressure valve body 1203 through the negative pressure double-hole ventilation valve plate limiting piece 1213, and the negative pressure valve body sealing ring 1202 is arranged at the joint of the negative pressure valve body cover 1201 and the negative pressure valve body 1203; the connection part of the negative pressure cylinder 1206 and the negative pressure valve body 1203 is provided with a negative pressure cylinder plane sealing ring 1204 and a negative pressure inner sealing ring 1205, the end surface of the negative pressure valve body 1203 opposite to the negative pressure short connecting rod 1209 is provided with a negative pressure single Kong Huanqi valve plate limiting piece 1210 and a negative pressure single hole ventilation valve plate 1211, and the negative pressure single Kong Huanqi valve plate 1211 is fixedly connected to the center of the negative pressure valve body 1203 through the negative pressure single hole ventilation valve plate limiting piece 1210.
In summary, the fully sealed motor 1 is adopted, and the compressor body 4 forms a fully sealed structure through the body top sealing cover 8, the positive pressure compression assembly 6 and the negative pressure compression assembly 12 which are hermetically arranged around, so that the problem that products in the prior art cannot be used in outdoor environments such as sand blown by wind and dust can be effectively solved, particles and impurities cannot enter the compressor, and the service life of the fully sealed VPSA oil-free compressor is ensured. In addition, the positive pressure compression components 6 of the full-sealed VPSA oil-free compressor are connected by adopting the positive pressure ventilation direct connecting pipe 7, and the negative pressure compression components 12 are connected by adopting the negative pressure ventilation direct connecting pipe 3, so that the direct connecting ventilation structure is formed by the connecting structure, and the purpose of reducing the volume of the compressor can be achieved.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A full-sealed VPSA oil-free compressor is characterized in that: the device comprises a full-sealed motor, a compressor body, a positive pressure compression assembly and a negative pressure compression assembly; the bottom of the compressor body is connected with a full-sealed motor, a power output shaft of the full-sealed motor is positioned in the compressor body, an eccentric shaft assembly is arranged on the power output shaft of the full-sealed motor, a body top sealing cover is arranged at the top end of the power output shaft of the full-sealed motor, and the body top sealing cover is fixedly connected with the compressor body; the two positive pressure compression assemblies are symmetrically arranged on the left side and the right side of the compressor body, and the two negative pressure compression assemblies are symmetrically arranged on the front side and the rear side of the compressor body; the two positive pressure compression assemblies and the two negative pressure compression assemblies are connected to the eccentric shaft assembly, and one end of the two positive pressure compression assemblies connected to the eccentric shaft assembly is positioned above one end of the two negative pressure compression assemblies; two positive pressure air exchanging straight connecting pipes are arranged between the two positive pressure compression assemblies, two negative pressure air exchanging straight connecting pipes are arranged between the two negative pressure compression assemblies, the two positive pressure compression assemblies are communicated through the two positive pressure air exchanging straight connecting pipes, the two negative pressure compression assemblies are communicated through the two negative pressure air exchanging straight connecting pipes, positive pressure air inlets and positive pressure air outlets are respectively arranged on the two positive pressure air exchanging straight connecting pipes, and negative pressure air inlets and negative pressure air outlets are respectively arranged on the two negative pressure air exchanging straight connecting pipes.
2. A hermetically sealed VPSA oil-free compressor according to claim 1, wherein: support legs are symmetrically arranged on the front side and the rear side of the bottom of the compressor body.
3. A hermetically sealed VPSA oil-free compressor according to claim 1, wherein: the eccentric shaft assembly comprises a lower limiting centralizer, an eccentric crankshaft and an upper limiting centralizer, the power output shaft of the full-sealed motor is sequentially connected with the lower limiting centralizer, the eccentric crankshaft and the upper limiting centralizer from bottom to top, a bearing is fixedly arranged between the lower limiting centralizer and the compressor body, one end of the two negative pressure compression assemblies is connected to the lower part of the eccentric crankshaft, one end of the two positive pressure compression assemblies is connected to the upper part of the eccentric crankshaft, and a bearing is fixedly arranged between the upper limiting centralizer and the sealing cover at the top of the body.
4. A hermetically sealed VPSA oil-free compressor according to claim 1, wherein: the positive pressure compression assembly comprises a positive pressure short connecting rod, a positive pressure compensation angle pressing plate, a positive pressure valve body cover, a positive pressure valve body and a positive pressure cylinder, wherein one end of the positive pressure short connecting rod is connected to the eccentric crankshaft through a bearing, and the other end face of the positive pressure short connecting rod is connected with the positive pressure compensation angle pressing plate; the positive pressure valve body cover, the positive pressure valve body and the positive pressure cylinder are sequentially connected and then are sealed and fixed on the compressor body, and the positive pressure short connecting rod can be movably connected in the positive pressure cylinder.
5. The hermetically sealed VPSA oil-free compressor of claim 4, wherein: a positive pressure movable sealing ring is arranged at the joint of the positive pressure short connecting rod and the positive pressure compensation angle pressing plate, and the outer ring surface of the positive pressure movable sealing ring is in contact with the inner surface of the positive pressure cylinder; a positive pressure valve body sealing ring, a positive pressure double Kong Huanqi valve plate and a positive pressure double Kong Huanqi valve plate limiting piece are arranged between the positive pressure valve body cover and the positive pressure valve body, the positive pressure double-hole ventilation valve plate is fixedly connected to the positive pressure valve body through the positive pressure double Kong Huanqi valve plate limiting piece, and the positive pressure valve body sealing ring is arranged at the joint of the positive pressure valve body cover and the positive pressure valve body; the positive pressure cylinder and the positive pressure valve body are connected with a positive pressure cylinder plane sealing ring and a positive pressure inner sealing ring, a positive pressure single Kong Huanqi valve plate limiting piece and a positive pressure single hole ventilation valve plate are arranged on the end face of the positive pressure valve body opposite to the positive pressure short connecting rod, and the positive pressure single hole ventilation valve plate is fixedly connected to the center of the positive pressure valve body through the positive pressure single hole ventilation valve plate limiting piece.
6. A hermetically sealed VPSA oil-free compressor according to claim 1, wherein: the negative pressure compression assembly comprises a negative pressure short connecting rod, a negative pressure compensation angle pressing plate, a negative pressure valve body cover, a negative pressure valve body and a negative pressure cylinder, wherein one end of the negative pressure short connecting rod is connected to the eccentric crankshaft through a bearing, and the other end face of the negative pressure short connecting rod is connected with the negative pressure compensation angle pressing plate; the negative pressure valve body cover, the negative pressure valve body and the negative pressure cylinder are sequentially connected and then are sealed and fixed on the compressor body, and the negative pressure short connecting rod can be movably connected in the negative pressure cylinder.
7. A hermetically sealed VPSA oil-free compressor according to claim 6, wherein: a negative pressure movable sealing ring is arranged at the joint of the negative pressure short connecting rod and the negative pressure compensation angle pressing plate, and the outer ring surface of the negative pressure movable sealing ring is in contact with the inner surface of the negative pressure cylinder; a negative pressure valve body sealing ring, a negative pressure double-hole ventilation valve plate and a negative pressure double-hole ventilation valve plate limiting piece are arranged between the negative pressure valve body cover and the negative pressure valve body, the negative pressure double-hole ventilation valve plate is fixedly connected to the negative pressure valve body through the negative pressure double-hole ventilation valve plate limiting piece, and the negative pressure valve body sealing ring is arranged at the joint of the negative pressure valve body cover and the negative pressure valve body; the negative pressure cylinder is provided with a negative pressure cylinder plane sealing ring and a negative pressure inner sealing ring at the joint of the negative pressure cylinder and the negative pressure valve body, a negative pressure single Kong Huanqi valve block limiting piece and a negative pressure single hole ventilation valve block are arranged on the end face of the negative pressure valve body opposite to the negative pressure short connecting rod, and the negative pressure single Kong Huanqi valve block is fixedly connected to the center of the negative pressure valve body through the negative pressure single Kong Huanqi valve block limiting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421004981.2U CN221096758U (en) | 2024-05-10 | 2024-05-10 | Full-sealed VPSA oil-free compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421004981.2U CN221096758U (en) | 2024-05-10 | 2024-05-10 | Full-sealed VPSA oil-free compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221096758U true CN221096758U (en) | 2024-06-07 |
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ID=91306267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421004981.2U Active CN221096758U (en) | 2024-05-10 | 2024-05-10 | Full-sealed VPSA oil-free compressor |
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| Country | Link |
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| CN (1) | CN221096758U (en) |
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2024
- 2024-05-10 CN CN202421004981.2U patent/CN221096758U/en active Active
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