CN117267083A - Two-stage compression air compressor structure - Google Patents
Two-stage compression air compressor structure Download PDFInfo
- Publication number
- CN117267083A CN117267083A CN202311344073.8A CN202311344073A CN117267083A CN 117267083 A CN117267083 A CN 117267083A CN 202311344073 A CN202311344073 A CN 202311344073A CN 117267083 A CN117267083 A CN 117267083A
- Authority
- CN
- China
- Prior art keywords
- rod assembly
- connecting rod
- air compressor
- piston
- air
- Prior art date
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 title claims abstract description 70
- 238000007906 compression Methods 0.000 title claims abstract description 70
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 230000002123 temporal effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B25/00—Multi-stage pumps
- F04B25/02—Multi-stage pumps of stepped piston type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a two-stage compression air compressor structure, which comprises: a compressor housing; the piston connecting rod assembly is movably arranged on the inner side of the compressor shell, a first-stage compression cavity is formed between the lower end of the piston connecting rod assembly and the bottom surface of the compressor shell, and a second-stage compression cavity is formed between the top end of the piston connecting rod assembly and the compressor shell; the connecting pipe is detachably arranged between the upper end and the lower end of the piston connecting rod assembly; this device is through the connector that sets up at the inside connecting pipe both ends of compressor, realizes connecting one-level compression chamber and second grade compression chamber, has avoided accomplishing the connection of one-level compression chamber and second grade compression chamber through the outside pipeline of air compressor machine, and the structure is complicated, and this device is convenient for simplify the gas circuit principle to mechanical mechanism has been simplified, because the gas circuit passes through the temporal portion of air compressor machine, makes the air compressor machine size diminish, and through simplifying mechanical mechanism, the air compressor machine cost is also lower.
Description
Technical Field
The invention particularly relates to a structure of a secondary compression air compressor.
Background
The utility model provides a second grade compression air compressor is the equipment with air compression to higher pressure, compares with single-stage compressor, and the second grade compression air compressor can work in higher pressure range, and prior art is to the second grade compression air compressor gas circuit, and the technical scheme who adopts is leading the gas compressed through the first-stage compression chamber of air compressor outside, is leading-in air compressor second-stage compression chamber from the compressor outside through the pipeline, and the shortcoming of this technique is: the air circuit principle is comparatively complicated, leads to mechanical mechanism also comparatively complicated, and the air compressor machine cost is also higher, and because the air circuit is outside through the air compressor machine, the air compressor machine size grow, is inconvenient for reducing manufacturing cost, for this reason we propose a two-stage compression air compressor machine structure.
Disclosure of Invention
The invention aims to provide a two-stage compression air compressor structure to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a secondary compression air compressor structure comprising:
a compressor housing;
the piston connecting rod assembly is movably arranged on the inner side of the compressor shell, a first-stage compression cavity is formed between the lower end of the piston connecting rod assembly and the bottom surface of the compressor shell, and a second-stage compression cavity is formed between the top end of the piston connecting rod assembly and the compressor shell;
the connecting pipe is detachably arranged between the upper end and the lower end of the piston connecting rod assembly so as to lead out gas inside the primary compression cavity to enter the inner side of the secondary compression cavity;
the piston air inlet passage is arranged at the lower end of the piston connecting rod assembly to guide external air into the inner side of the primary compression cavity, and a first one-way valve is arranged at the inner side of the piston air inlet passage.
Preferably, an air inlet for enabling external air to enter the inner side of the compressor shell is formed in one side wall of the compressor shell, and an air outlet is formed in one side of the top end of the compressor shell.
Preferably, a third check valve is provided at the top end of the inner side of the secondary compression chamber to allow the external air to flow in one direction.
Preferably, a second one-way valve is arranged at the lower end of the inner side of the secondary compression cavity, and the second one-way valve corresponds to the connecting pipe.
Preferably, connectors are arranged at two ends of the connecting pipe, and the connecting pipe is in threaded fit with the piston connecting rod assembly through the connectors.
Preferably, the connecting pipe is made of galvanized steel pipe.
Preferably, the cross section of the connecting pipe is S-shaped.
Preferably, the cross section of the piston connecting rod assembly is I-shaped, and the outer diameter of the upper end of the piston connecting rod assembly is smaller than the outer diameter of the lower end.
Compared with the prior art, the invention has the beneficial effects that:
this device is through the connector that sets up at the inside connecting pipe both ends of compressor, realizes connecting one-level compression chamber and second grade compression chamber, has avoided accomplishing the connection in one-level compression chamber and second grade compression chamber through the outside pipeline of air compressor machine, and the structure is complicated, and this device is convenient for simplify the gas circuit principle to mechanical mechanism has been simplified, because the gas circuit passes through the temporal portion of air compressor machine, makes the air compressor machine size diminish, and through simplifying mechanical mechanism, the air compressor machine cost is also lower, has improved the practicality of device.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a compressor housing of the present invention;
FIG. 3 is a schematic view of a connecting pipe according to the present invention;
fig. 4 is a schematic view of the gas flow direction structure of the present invention.
In the figure: 1. a compressor housing; 2. an air inlet; 3. a piston-connecting rod assembly; 4. a first stage compression chamber; 5. a connecting pipe; 51. a connector; 6. a second one-way valve; 7. a secondary compression chamber; 8. an exhaust port; 9. a third one-way valve; 10. a piston intake passage; 11. a first one-way valve.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: a secondary compression air compressor structure comprising:
a compressor housing 1;
the piston connecting rod assembly 3 is movably arranged on the inner side of the compressor shell 1, a primary compression cavity 4 is formed between the lower end of the piston connecting rod assembly 3 and the bottom surface of the compressor shell 1, and a secondary compression cavity 7 is formed between the top end of the piston connecting rod assembly 3 and the compressor shell 1, so that the piston connecting rod assembly 3 can conveniently realize primary and secondary air compression effects in the up-and-down movement process;
the connecting pipe 5 is detachably arranged between the upper end and the lower end of the piston connecting rod assembly 3 so as to lead out gas inside the primary compression cavity 4 to enter the inner side of the secondary compression cavity 7, thereby being convenient for quickly leading the gas into the secondary compression cavity 7;
the piston air inlet passage 10 is formed at the lower end of the piston connecting rod assembly 3 to guide external air into the inner side of the first-stage compression cavity 4, and a first one-way valve 11 is arranged at the inner side of the piston air inlet passage 10, so that the external air can flow into the inner side of the first-stage compression cavity 4 conveniently, and other flows from the inner side of the first-stage compression cavity 4 to the outside are avoided.
In this embodiment, preferably, an air inlet 2 for allowing outside air to enter the inside of the compressor housing 1 is formed in one side wall of the compressor housing 1, and an air outlet 8 is formed in the top end side of the compressor housing 1.
In this embodiment, preferably, the top end of the inner side of the secondary compression chamber 7 is provided with a third one-way valve 9 to enable the external air to flow unidirectionally, so that the air can flow unidirectionally to the exhaust port 8 better.
In this embodiment, preferably, the lower end of the inner side of the secondary compression chamber 7 is provided with a second one-way valve 6, and the second one-way valve 6 corresponds to the connecting pipe 5, so as to avoid the gas inside the secondary compression chamber 7 from flowing back into the primary compression chamber 4.
In this embodiment, preferably, connectors 51 are provided at two ends of the connecting pipe 5, and the connecting pipe 5 and the piston connecting rod assembly 3 are in threaded fit through the connectors 51, so that the connecting pipe 5 is convenient to install.
In this embodiment, preferably, the connecting pipe 5 is made of galvanized steel pipe, so as to facilitate better high temperature resistance.
In this embodiment, the cross section of the connecting pipe 5 is preferably in an "S" shape, so that the gas can be better introduced into the middle inside the secondary compression chamber 7.
In this embodiment, the piston rod assembly 3 is preferably "i" -shaped in cross section, and the outer diameter of the upper end of the piston rod assembly 3 is smaller than the outer diameter of the lower end.
The working principle and the using flow of the invention are as follows: in use, as shown in fig. 4, when the piston rod assembly 3 moves upwards, the primary compression chamber 4 is changed from normal pressure to negative pressure, the air inlet 2 connected with the primary compression chamber 4 is subjected to pressure difference, the air in the air inlet 2 pushes the first one-way valve 11 through the piston air inlet passage 10, the air enters the primary compression chamber 4, when the piston rod assembly 3 moves downwards, the air in the primary compression chamber 4 is changed to high pressure, the pressure in the primary compression chamber 4 is higher than the air inlet 2, the first one-way valve 11 is closed, the high-pressure air pushes the second one-way valve 6 open, and the air enters the secondary compression chamber 7 through the connecting pipe 5 and the second one-way valve 6, when the piston rod assembly 3 moves upwards again, the air in the secondary compression chamber 7 is compressed again to form a larger air pressure than that in the primary compression chamber 4, the air pressure closes the second one-way valve 6, the high-pressure air pushes the third one-way valve 9 open, and finally the high-pressure air is discharged through the air outlet 8.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A secondary compression air compressor structure, comprising:
a compressor housing (1);
the piston connecting rod assembly (3) is movably arranged on the inner side of the compressor shell (1), a primary compression cavity (4) is formed between the lower end of the piston connecting rod assembly (3) and the bottom surface of the compressor shell (1), and a secondary compression cavity (7) is formed between the top end of the piston connecting rod assembly (3) and the compressor shell (1);
the connecting pipe (5) is detachably arranged between the upper end and the lower end of the piston connecting rod assembly (3) so as to lead out gas at the inner side of the primary compression cavity (4) to enter the inner side of the secondary compression cavity (7);
the piston air inlet passage (10) is arranged at the lower end of the piston connecting rod assembly (3) so as to introduce external air into the inner side of the primary compression cavity (4), and a first one-way valve (11) is arranged at the inner side of the piston air inlet passage (10).
2. The secondary compression air compressor structure of claim 1, wherein: an air inlet (2) for enabling external air to enter the inner side of the compressor shell (1) is formed in one side wall of the compressor shell (1), and an air outlet (8) is formed in one side of the top end of the compressor shell (1).
3. The secondary compression air compressor structure of claim 1, wherein: the top end of the inner side of the secondary compression cavity (7) is provided with a third one-way valve (9) so as to enable external air to flow unidirectionally.
4. The secondary compression air compressor structure of claim 1, wherein: the lower end of the inner side of the secondary compression cavity (7) is provided with a second one-way valve (6), and the second one-way valve (6) corresponds to the connecting pipe (5).
5. The secondary compression air compressor structure of claim 1, wherein: connecting heads (51) are arranged at two ends of the connecting pipe (5), and the connecting pipe (5) and the piston connecting rod assembly (3) are in threaded fit through the connecting heads (51).
6. The secondary compression air compressor structure of claim 1, wherein: the connecting pipe (5) is made of galvanized steel pipes.
7. The secondary compression air compressor structure of claim 1, wherein: the cross section of the connecting pipe (5) is S-shaped.
8. The secondary compression air compressor structure of claim 1, wherein: the cross section of the piston connecting rod assembly (3) is I-shaped, and the outer diameter of the upper end of the piston connecting rod assembly (3) is smaller than the outer diameter of the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311344073.8A CN117267083A (en) | 2023-10-17 | 2023-10-17 | Two-stage compression air compressor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311344073.8A CN117267083A (en) | 2023-10-17 | 2023-10-17 | Two-stage compression air compressor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117267083A true CN117267083A (en) | 2023-12-22 |
Family
ID=89214343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311344073.8A Pending CN117267083A (en) | 2023-10-17 | 2023-10-17 | Two-stage compression air compressor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117267083A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118188403A (en) * | 2024-05-16 | 2024-06-14 | 中国科学院上海技术物理研究所 | Multistage direct current linear compressor |
-
2023
- 2023-10-17 CN CN202311344073.8A patent/CN117267083A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118188403A (en) * | 2024-05-16 | 2024-06-14 | 中国科学院上海技术物理研究所 | Multistage direct current linear compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117267083A (en) | Two-stage compression air compressor structure | |
| CN205401109U (en) | Compressor and air conditioner with same | |
| CN211039032U (en) | Two-stage screw compressor and air conditioning unit | |
| CN213419369U (en) | Compressor component | |
| CN216812091U (en) | Compression cylinder, compressor and refrigeration plant | |
| CN215633579U (en) | Synchronous two-stage compressor | |
| CN202833176U (en) | Enthalpy-increasing pipe of rotary compressor, fixing assembly and compressor | |
| CN211693729U (en) | Multi-stage sealed high-pressure air inlet and outlet valve | |
| CN210239939U (en) | Novel compressor | |
| CN210949113U (en) | Two-stage screw compressor and air conditioning unit | |
| CN201043834Y (en) | Necked-in capillary tube for refrigerating system | |
| CN209838651U (en) | Fluid exchanger | |
| CN211370686U (en) | Hydrogen compression supercharging device | |
| CN211623655U (en) | Intercooler and oil-free piston type compressor comprising same | |
| CN219691724U (en) | Air compressor machine filtration that gives vent to anger | |
| CN216895953U (en) | Mute check valve | |
| CN203175868U (en) | Multistage double-screw air compressor with intermediate cooling mechanism | |
| CN108317067B (en) | Compressor, refrigerating system assembly and refrigerator | |
| CN221299504U (en) | Check valve structure of injection enthalpy-increasing pipe and scroll compressor | |
| CN219061930U (en) | Piston structure of air conditioner compressor | |
| CN219691727U (en) | Air tank structure of permanent magnet air compressor | |
| CN216131045U (en) | Plunger pump | |
| CN211819861U (en) | Air compressor disjunctor cylinder head | |
| CN211474284U (en) | High-sealing-performance cylinder cover of high-temperature-resistant sports racing car | |
| CN216342843U (en) | Self-priming pump body |
Legal Events
| 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 |