CN117346056B - High-purity gas conveying mechanism - Google Patents
High-purity gas conveying mechanism Download PDFInfo
- Publication number
- CN117346056B CN117346056B CN202311502736.4A CN202311502736A CN117346056B CN 117346056 B CN117346056 B CN 117346056B CN 202311502736 A CN202311502736 A CN 202311502736A CN 117346056 B CN117346056 B CN 117346056B
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- Prior art keywords
- air
- butt joint
- box
- gas
- pipe
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 210000001503 joint Anatomy 0.000 claims abstract description 72
- 238000000605 extraction Methods 0.000 claims description 37
- 230000007704 transition Effects 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 129
- 230000000903 blocking effect Effects 0.000 description 11
- 238000003032 molecular docking Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000007872 degassing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/002—Automated filling apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vacuum Packaging (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the technical field of gas conveying, in particular to a high-purity gas conveying mechanism, which comprises a first air pump, wherein the input end of the first air pump is communicated with a first conveying pipe, and the end part of the first conveying pipe far away from the first air pump is provided with a first butt joint; the output end of the first air pump is communicated with a second conveying pipe, and a second butt joint is arranged at one end of the second conveying pipe far away from the first air pump; when the high-purity gas conveying mechanism disclosed by the invention is used for inflating an inflatable bottle, the opening and closing valves at the end parts of the first conveying pipe and the second conveying pipe are closed; and then pumping air from the excessive air tank, starting the first air pump after pumping air from the excessive air tank, the second conveying pipe, the first air pump and the first conveying pipe, and simultaneously opening the first butt joint and the second butt joint to inflate the inflatable bottle, so that the inflatable bottle cannot be inflated with air during initial inflation, the purity of air in the inflatable bottle is ensured, and the purity of the inflatable bottle is prevented from being influenced by residual air in the conveying mechanism.
Description
Technical Field
The invention belongs to the technical field of gas conveying, and particularly relates to a high-purity gas conveying mechanism.
Background
High purity gas varies in purity index for different classes of gas, for example for nitrogen, hydrogen, argon, helium, generally refers to high purity gas having a purity equal to or higher than 99.999%; for oxygen, the purity is 99.99 percent, namely the high-purity oxygen; for hydrocarbons, a purity of 99.99% may be considered to be a high purity gas.
At present, high-purity gas can be stored in a large container in a centralized manner after being produced, and then the high-purity gas is filled into a designated gas filling bottle when leaving a factory, and particularly, the gas pump and a conveying pipe are needed to be used in split charging, the gas pump is a booster pump, the gas pump charges the high-purity gas into the gas filling bottle through the conveying pipe, however, when initial gas filling is carried out, air remains in the gas pump and the conveying pipe, and when the gas pump starts to charge the residual air into the gas filling bottle, so that the gas purity in the gas filling bottle is influenced.
To this end, the present invention provides a high purity gas delivery mechanism.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a high-purity gas conveying mechanism, which comprises a first air pump, wherein the input end of the first air pump is communicated with a first conveying pipe, and the end part of the first conveying pipe far away from the first air pump is provided with a first butt joint; the output end of the first air pump is communicated with a second conveying pipe, and a second butt joint is arranged at one end of the second conveying pipe far away from the first air pump; the first butt joint and the second butt joint are internally provided with an opening and closing valve;
the surface of the second conveying pipe is provided with a fracture; the fracture is internally provided with an excessive air box which is communicated with the second conveying pipe; the side face of the transition air box is provided with a second air pump, the input end of the second air pump is communicated with a first air extraction pipe, one end, far away from the second air pump, of the first air extraction pipe is communicated with a plugging plate, and the plugging plate is communicated by the first air extraction pipe; an extraction opening is formed in the top surface of the transition air box, and the plugging plate is matched with the extraction opening in size; the top surface of the excessive air box is provided with a groove, the groove is communicated with the air extraction opening, the inside of the groove is connected with a baffle in a sliding manner, and the side surface of the excessive air box is provided with a first telescopic rod; the end part of the output end of the first telescopic rod is arranged on the top surface of the baffle plate; the baffle can be with extraction opening shutoff.
Preferably, the first docking head is adapted to dock with a container storing a gas; the second butt joint is used for being in butt joint with the inflatable bottle; and when the gas in the excess gas tank is extracted, the on-off valve of the second butt joint is opened, and the on-off valve of the first butt joint is closed.
Preferably, the inner bottom wall of the excessive air box is provided with a negative pressure plate, and the side surface of the negative pressure plate is in sliding connection with the vertical inner wall of the excessive air box; the top surface of the negative pressure plate is vertically provided with a plurality of guide rods, and the top ends of the guide rods penetrate through the upper part of the transition gas tank; the top end of the guide rod is provided with an elastic sheet, the top surface of the transition gas tank is provided with a plurality of support plates, the side surfaces of the support plates are connected with guide rods in a penetrating and inserting mode, one end of each guide rod, which points to the guide rod, is provided with a baffle sheet, and a pair of buffer springs are arranged between the baffle sheet and the support plates; the end of the elastic sheet is positioned right below the baffle sheet in the initial stage.
Preferably, the top surface of the baffle plate comprises a horizontal plane and an inclined plane; the end part of the elastic sheet is positioned right below the inclined surface of the baffle sheet.
Preferably, a touch switch is arranged on the top surface of the excess air box; the touch-pressing part of the touch-pressing switch penetrates through the top surface of the excessive air box and is positioned in the excessive air box.
Preferably, the top surface of the excess air box is provided with a plurality of sealing air bags which are arranged in a ring shape and surround the guide rods; the surface of the sealing air bag is in pressing contact with the side surface of the guide rod.
Preferably, the top surface of the excess air box is provided with a plurality of air inflation boxes, and a communicating pipe is arranged between the air inflation boxes and the sealed air bags; a first magnetic plate is arranged at one side, close to the sealing air bag, inside the inflatable box, and is communicated through a communicating pipe; the inflatable box is internally provided with a second magnetic plate, and the second magnetic plate and the first magnetic plate have different magnetism.
Preferably, the side of the excessive gas tank is provided with a receiving gas tank, the bottom surface of the receiving gas tank is communicated with the bottom end of the excessive gas tank and is provided with a first conduit, and the end part of the first conduit, which is close to the excessive gas tank, is provided with a first one-way valve with a valve port pointing to the receiving gas tank.
Preferably, a push plate is slidably connected in the air receiving box, and the push plate is attached to the vertical inner wall of the air receiving box at first; the side surface of the air receiving box is provided with a second telescopic rod, and the end part of the output end of the second telescopic rod penetrates into the air receiving box and is vertically arranged on the side surface of the push plate; the side surface of the receiving air box is communicated with the top surface of the transition air box, and a second guide pipe is arranged; the end part of the second conduit, which is close to the excess air tank, is provided with a second one-way valve with a valve port pointing to the excess air tank.
Preferably, the top surface of the air receiving box is provided with an air extracting tube, the inside of the air extracting tube is connected with an air extracting plate in a sliding way, the side surface of the air extracting plate is provided with a pull rod, the side surface of the air extracting tube is communicated with a second air extracting tube, and the inside of the second air extracting tube is provided with a first electromagnetic valve with a valve port pointing to the air extracting tube; the side of the second conduit is communicated with a butt joint pipe, and the butt joint pipe is communicated with the second exhaust pipe in a butt joint way and is internally provided with a second electromagnetic valve.
The beneficial effects of the invention are as follows:
1. According to the high-purity gas conveying mechanism, the on-off valve at the end parts of the first conveying pipe and the second conveying pipe is closed when the inflatable bottle is inflated by arranging the transition gas tank; and then pumping air from the excessive air tank, starting the first air pump after pumping air from the excessive air tank, the second conveying pipe, the first air pump and the first conveying pipe, and simultaneously opening the first butt joint and the second butt joint to inflate the inflatable bottle, so that the inflatable bottle cannot be inflated with air during initial inflation, the purity of air in the inflatable bottle is ensured, and the purity of the inflatable bottle is prevented from being influenced by residual air in the conveying mechanism.
2. According to the high-purity gas conveying mechanism, when gas in the excess gas tank is extracted, the on-off valve of the second butt joint is opened, and the on-off valve of the first butt joint is closed; when the excessive gas tank is pumped, the opening and closing valve of the second butt joint is opened, so that the gas filling bottle is communicated with the second conveying pipe, and the air in the gas filling bottle can be pumped out without separate degassing operation of staff before the gas filling bottle is filled; the inflation flow is optimized.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the upper structure of the excess air box of the present invention;
FIG. 3 is a schematic view of a transition gas box of the present invention;
FIG. 4 is a schematic view of a negative pressure plate of the present invention;
FIG. 5 is an enlarged schematic view of portion A of FIG. 2 in accordance with the present invention;
FIG. 6 is an enlarged schematic view of portion B of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the internal structure of the inflatable cartridge of the present invention;
FIG. 8 is a schematic view of the location of the receiving plenum of the present invention;
FIG. 9 is a schematic of a push plate of the present invention;
FIG. 10 is a schematic top view of the excess air box of the present invention;
FIG. 11 is an enlarged schematic view of portion C of FIG. 10 in accordance with the invention;
FIG. 12 is a schematic view of an extraction panel of the present invention.
In the figure: 1. a first air pump; 11. a first delivery tube; 12. a first pair of joints; 13. a second delivery tube; 14. a second pair of joints; 2. a transition gas box; 21. a second air pump; 22. a first exhaust pipe; 23. a plugging plate; 24. an extraction opening; 25. a groove; 26. a baffle; 27. a first telescopic rod; 3. a guide rod; 31. a negative pressure plate; 32. an elastic sheet; 33. a support plate; 34. a guide rod; 35. a baffle; 4. sealing the air bag; 41. an inflatable box; 42. a first magnetic plate; 43. a second magnetic plate; 5. a receiving gas box; 51. a first conduit; 52. a second telescopic rod; 53. a push plate; 54. a second conduit; 6. a suction cylinder; 61. a pull rod; 62. an air extraction plate; 63. a second exhaust pipe; 64. a butt joint pipe; 7. and touching and pressing the switch.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 3, a high purity gas delivery mechanism according to an embodiment of the present invention includes a first air pump 1, an input end of the first air pump 1 is provided with a first delivery pipe 11 in communication, and an end of the first delivery pipe 11, which is far away from the first air pump 1, is provided with a first butt joint 12; the output end of the first air pump 1 is communicated with a second conveying pipe 13, and a second butt joint 14 is arranged at one end, far away from the first air pump 1, of the second conveying pipe 13; the first butt joint 12 and the second butt joint 14 are internally provided with an on-off valve;
The surface of the second conveying pipe 13 is provided with a fracture; a transition gas tank 2 is arranged in the fracture, and the transition gas tank 2 is communicated with a second conveying pipe 13; the side surface of the transition air box 2 is provided with a second air pump 21, the input end of the second air pump 21 is communicated with a first air extraction pipe 22, one end, far away from the second air pump 21, of the first air extraction pipe 22 is communicated with a blocking plate 23, and the blocking plate 23 is communicated by the first air extraction pipe 22; the top surface of the transition gas tank 2 is provided with an extraction opening 24, and the plugging plate 23 is matched with the extraction opening 24 in size; a groove 25 is formed in the top surface of the excessive air tank 2, the groove 25 is communicated with the air extraction opening 24, a baffle 26 is connected in the groove 25 in a sliding manner, and a first telescopic rod 27 is arranged on the side surface of the excessive air tank 2; the output end of the first telescopic rod 27 is arranged on the top surface of the baffle 26; the baffle 26 can seal the extraction opening 24;
When the embodiment of the invention is used, the first butt joint 12 is in butt joint communication with a container for storing gas, the second butt joint 14 is in butt joint communication with an inflatable bottle, the opening and closing valves in the first butt joint 12 and the second butt joint 14 are closed, then the second air pump 21 is started, the second air pump 21 pumps the gas in the excessive gas tank 2 through the first air extraction pipe 22 and the air extraction hole 24, the air extraction hole 24 is blocked by the blocking plate 23, and the excessive gas tank 2 is communicated with the second conveying pipe 13, the first air pump 1 and the first conveying pipe 11; when the second air pump 21 pumps the air in the excessive air tank 2, the second conveying pipe 13, the first air pump 1 and the first conveying pipe 11 are synchronously pumped, the first telescopic rod 27 is started when the excessive air tank 2, the second conveying pipe 13, the first air pump 1 and the first conveying pipe 11 are pumped out, the output end of the first telescopic rod 27 drives the baffle 26 to move into the air pumping hole 24, and the air pumping hole 24 is stopped when the air pumping hole 24 is blocked; it should be noted that the shutter 26 is not blocked by the blocking plate 23 when it moves; after the air in the excessive air tank 2, the second conveying pipe 13, the first air pump 1 and the first conveying pipe 11 is exhausted, the first air pump 1 is started, the first butt joint 12 and the second butt joint 14 are opened at the same time to charge the air charging bottle, the air charging bottle is not charged with air during initial charging, the purity of the air in the air charging bottle is ensured, and the residual air in the conveying mechanism is prevented from affecting the purity in the air charging bottle; it should be noted that the first and second delivery pipes 11 and 13 are flexible hoses, and are prepared by high-strength steel wire hoses, and are not crushed when vacuumized.
The first docking head 12 is for docking with a container storing gas; the second docking head 14 is for docking with an inflatable bottle; opening the on-off valve of the second butt joint 14 and closing the on-off valve of the first butt joint 12 when the gas in the excess gas tank 2 is extracted; when the excessive gas tank 2 is pumped, the opening and closing valve of the second butt joint 14 is opened, so that the gas filling bottle is communicated with the second conveying pipe 13, and the air in the gas filling bottle can be pumped out, so that no independent degassing operation is required before the gas filling bottle is inflated by a worker; optimizing the inflation flow; it should be noted that the side of the excess air tank 2 is provided with an air pressure gauge, which can detect the air pressure in the excess air tank 2.
As shown in fig. 2 to 6, the inner bottom wall of the excess air tank 2 is provided with a negative pressure plate 31, and the side surface of the negative pressure plate 31 is slidably connected with the vertical inner wall of the excess air tank 2; a plurality of guide rods 3 are vertically arranged on the top surface of the negative pressure plate 31, and the top ends of the guide rods 3 penetrate through the upper part of the transition gas tank 2; the top end of the guide rod 3 is provided with an elastic sheet 32, the top surface of the excess air box 2 is provided with a plurality of support plates 33, the side surfaces of the support plates 33 are connected with guide rods 34 in a penetrating and inserting mode, one end of the guide rods 34, which points to the guide rod 3, is provided with a baffle sheet 35, and a pair of buffer springs are arranged between the baffle sheet 35 and the support plates 33; the end of the elastic sheet 32 is initially located directly below the baffle 35; when the excessive air tank 2 is pumped, along with the decrease of the air pressure in the excessive air tank 2, the upward movement trend of the negative pressure plate 31 under the action of the negative pressure is continuously increased, the elastic piece 32 at the top end of the guide rod 3 arranged on the top surface of the negative pressure plate 31 is blocked by the blocking piece 35 at first, the negative pressure in the excessive air tank 2 is increased, when the air in the excessive air tank 2 is pumped out, the bending degree of the elastic piece 32 is larger, and then the elastic piece 35 is crossed, the movement of the guide rod 3 is not blocked, the negative pressure plate 31 moves upwards rapidly and is attached to the lower part of the air extraction opening 24 to block the air extraction opening 24, and then the first telescopic rod 27 is started to drive the blocking plate 26 to move into the air extraction opening 24 to block the air extraction opening 24; when the air in the excess air tank 2 is exhausted, the air exhaust opening 24 is automatically blocked, and workers do not need to continuously observe the pressure gauge, so that the operation is convenient.
The top surface of the baffle 35 comprises a horizontal plane and an inclined plane; the end of the elastic sheet 32 is positioned right below the inclined surface of the baffle 35; when the negative pressure plate 31 needs to be reset after the inflation bottle is inflated, and a worker presses the guide rod 3 to move downwards, the elastic sheet 32 moves synchronously, when the end part of the elastic sheet 32 presses the inclined surface of the top surface of the baffle sheet 35, the inclined surface is subjected to acting force and can be decomposed into horizontal component force and vertical downward extrusion force, the baffle sheet 35 compresses the buffer spring through the action of the horizontal component force, and moves to a position far away from the elastic sheet 32 under the limit of the guide rod 34, so that the elastic sheet 32 is not blocked any more, and the worker can conveniently drive the elastic sheet 32 to the lower part of the baffle sheet 35; it should be noted that the top surface of the elastic sheet 32 is attached to the bottom surface of the flap 35 when it is initially located at a position below the flap 35.
The top surface of the transition gas tank 2 is provided with a touch switch 7; the touch-pressing part of the touch-pressing switch 7 penetrates through the top surface of the excessive air tank 2 and is positioned in the excessive air tank 2; when the negative pressure plate 31 moves upwards to block the air extraction opening 24, the top surface of the negative pressure plate 31 extrudes the touch-pressing part of the touch-pressing switch 7, a starting signal is sent to the first air pump 1 when the touch-pressing part of the touch-pressing switch 7 is extruded to control the first air pump 1 to start, so that the first air pump 1 is automatically started when the air in the excessive air tank 2 is exhausted, then a worker opens the opening and closing valves in the first conveying pipe 11 and the second conveying pipe 13 to perform inflation, and the automation of the mechanism is improved.
As shown in fig. 5 to 7, the top surface of the excess air tank 2 is provided with a plurality of sealing air bags 4, and the sealing air bags 4 are arranged in a ring shape and surround the guide rod 3; the surface of the sealing air bag 4 is in pressing contact with the side surface of the guide rod 3; the sealing air bag 4 further seals the connection part of the guide rod 3 and the excessive air tank 2, and prevents the excessive air tank 2 from leaking air through the penetration part of the guide rod 3.
The top surface of the excess air box 2 is provided with a plurality of air inflation boxes 41, and a communicating pipe is arranged between the air inflation boxes 41 and the sealing air bag 4; a first magnetic plate 42 is arranged at one side of the inside of the inflation box 41, which is close to the sealing air bag 4, and the first magnetic plate 42 is communicated through a communicating pipe; the second magnetic plate 43 is arranged in the inflation box 41, and the second magnetic plate 43 and the first magnetic plate 42 have different magnetism; in the use of the excessive gas tank 2, the second magnetic plate 43 is continuously attracted by the first magnetic plate 42, when the second magnetic plate 43 is subjected to magnetic force, the gas in the gas filling box 41 is continuously compressed, and the gas filling box 41 is communicated with the sealing gas bag 4 through the communicating pipe, so that the gas pressure in the sealing gas bag 4 is continuously kept stable, and the influence of the aging of the sealing gas bag 4 on the effect after long-time use is reduced.
As shown in fig. 8 to 12, a receiving air box 5 is arranged on the side surface of the excess air box 2, a first conduit 51 is arranged on the bottom surface of the receiving air box 5 and communicated with the bottom end of the excess air box 2, and a first one-way valve with a valve port pointing to the receiving air box 5 is arranged at the end part of the first conduit 51, which is close to the excess air box 2; the joint of the excess air tank 2, the first conveying pipe 11 and the second conveying pipe 13 is provided with a third one-way valve with a valve port pointing to the excess air tank 2; when the storage containers for butting different storage gases are replaced, the opening and closing valves in the first butt joint 12 and the second butt joint 14 are closed, then the first check valve and the third check valve are opened, the guide rod 3 is controlled by a worker to intermittently move up and down, the negative pressure plate 31 at the bottom end of the guide rod 3 moves synchronously, when the negative pressure plate 31 moves downwards, the gas in the excess gas box 2 is extruded into the first guide pipe 51 and then enters the gas receiving box 5, when the negative pressure plate 31 moves upwards, the gas in the first conveying pipe 11 and the second conveying pipe 13 is pumped into the excess gas box 2, and as the negative pressure plate 31 moves up and down, the residual gas in the first conveying pipe 11, the second conveying pipe 13 and the excess gas box 2 is filled into the gas receiving box 5, and when the storage containers for butting different storage gases are replaced, the residual gas in the first conveying pipe 11, the second conveying pipe 13 and the excess gas box 2 are collected in a concentrated mode, and subsequent use treatment is prevented.
The inside of the carrying gas box 5 is slidably connected with a push plate 53, and the push plate 53 is attached to the vertical inner wall of the carrying gas box 5 at first; the side surface of the carrying air box 5 is provided with a second telescopic rod 52, and the end part of the output end of the second telescopic rod 52 penetrates into the carrying air box 5 and is vertically arranged on the side surface of the push plate 53; the side surface of the receiving air box 5 is communicated with the top surface of the transition air box 2 and is provided with a second conduit 54; the end of the second conduit 54, which is close to the excess air tank 2, is provided with a second one-way valve with a valve port pointing to the excess air tank 2; before the inflatable bottle is inflated, the first air pump 1 is started, the second one-way valve is opened, air in the excessive air tank 2 is pumped away through the second conveying pipe 13 when the first air pump 1 is started, and meanwhile, the second guide pipe 54, the receiving air tank 5 and the air in the first guide pipe 51 are pumped away through the second one-way valve, so that the purity of the air entering the receiving air tank 5 is prevented from being reduced.
The top surface of the receiving air box 5 is provided with an air suction tube 6, the inside of the air suction tube 6 is connected with an air suction plate 62 in a sliding way, the side surface of the air suction plate 62 is provided with a pull rod 61, the side surface of the air suction tube 6 is communicated with a second air suction tube 63, and the inside of the second air suction tube 63 is provided with a first electromagnetic valve with a valve port pointing to the air suction tube 6; the side surface of the second conduit 54 is provided with a butt joint pipe 64 in a penetrating way, the butt joint pipe 64 is in butt joint communication with the second exhaust pipe 63, and a second electromagnetic valve is arranged in the butt joint pipe; a fourth one-way valve with an upward valve port is arranged at the joint of the first conduit 51 and the air receiving tank 5, and a fifth valve with a valve port pointing to the second conduit 54 is arranged at the joint of the second conduit 54 and the air receiving tank 5; when transferring and receiving the gas in the gas tank 5, the second telescopic rod 52 is started, and the fourth one-way valve and the fifth one-way valve are opened; the output end of the second telescopic rod 52 drives the pushing plate 53 to reciprocate, the pushing plate 53 pumps the gas in the first conduit 51 into the second conduit 54, so that the gas is concentrated in the second conduit 54; then the first electromagnetic valve and the second electromagnetic valve are opened, the pull rod 61 is pulled at the same time, the pull rod 61 drives the air suction plate 62 to move in the air suction cylinder 6, the air suction cylinder 6 pumps the gas concentrated in the second guide pipe 54 through the second air suction pipe 63 and the butt joint pipe 64, the pull rod 61 is difficult to be pulled continuously when the air suction is completed, at the moment, the first electromagnetic valve and the second electromagnetic valve are closed, the concentration of the gas is realized, and the transfer of the gas is facilitated; it should be noted that the length of the air suction tube 6 may be set according to actual use conditions.
Meanwhile, the opening and closing of the valves and the telescopic rods are automatically controlled by a microcomputer.
When the device works, the first butt joint 12 is in butt joint communication with a container for storing gas, the second butt joint 14 is in butt joint communication with an inflatable bottle, meanwhile, the opening and closing valves in the first butt joint 12 and the second butt joint 14 are closed, then the second air pump 21 is started, the second air pump 21 pumps the gas in the excessive gas tank 2 through the first air pumping pipe 22 and the air pumping hole 24, the air pumping hole 24 is blocked by the blocking plate 23, and the excessive gas tank 2 is communicated with the second conveying pipe 13, the first air pump 1 and the first conveying pipe 11; when the second air pump 21 pumps the air in the excessive air tank 2, the second conveying pipe 13, the first air pump 1 and the first conveying pipe 11 are synchronously pumped, the first telescopic rod 27 is started when the excessive air tank 2, the second conveying pipe 13, the first air pump 1 and the first conveying pipe 11 are pumped out, the output end of the first telescopic rod 27 drives the baffle 26 to move into the air pumping hole 24, and the air pumping hole 24 is stopped when the air pumping hole 24 is blocked; it should be noted that the shutter 26 is not blocked by the blocking plate 23 when it moves; after the air in the excessive air tank 2, the second conveying pipe 13, the first air pump 1 and the first conveying pipe 11 is exhausted, the first air pump 1 is started, the first butt joint 12 and the second butt joint 14 are opened at the same time, the inflatable bottle is inflated, the air in the inflatable bottle is not inflated during initial inflation, and the purity of the air in the inflatable bottle is ensured; wherein the on-off valve of the second butt joint 14 is opened and the on-off valve of the first butt joint 12 is closed when the gas in the excess gas tank 2 is extracted; when the excessive gas tank 2 is pumped, the opening and closing valve of the second butt joint 14 is opened, so that the gas filling bottle is communicated with the second conveying pipe 13, and the air in the gas filling bottle can be pumped out, so that no independent degassing operation is required before the gas filling bottle is inflated by a worker; the inflation flow is optimized.
When the excessive air tank 2 is pumped, along with the decrease of the air pressure in the excessive air tank 2, the upward movement trend of the negative pressure plate 31 under the action of the negative pressure is continuously increased, the elastic piece 32 at the top end of the guide rod 3 arranged on the top surface of the negative pressure plate 31 is blocked by the blocking piece 35 at the beginning, the negative pressure in the excessive air tank 2 is increased, when the air in the excessive air tank 2 is pumped out, the bending degree of the elastic piece 32 is larger, and then the blocking piece 35 is crossed, the movement of the guide rod 3 is not blocked any more, the negative pressure plate 31 moves upwards rapidly and is attached below the air extraction opening 24 to block the air extraction opening 24, and then the first telescopic rod 27 is started to drive the blocking plate 26 to move into the air extraction opening 24 to block the air extraction opening 24; when the air in the excess air tank 2 is exhausted, the air exhaust opening 24 is automatically blocked, so that workers do not need to continuously observe the pressure gauge, and the operation is convenient; when the worker presses the guide rod 3 to move downwards, the elastic sheet 32 moves synchronously, when the end part of the elastic sheet 32 presses the inclined surface of the top surface of the baffle sheet 35, the inclined surface is subjected to acting force and can be decomposed into horizontal component force and vertical downward extrusion force, the baffle sheet 35 compresses the buffer spring through the action of the horizontal component force, and moves to a position far away from the elastic sheet 32 under the limit of the guide rod 34, so that the elastic sheet 32 is not blocked any more, and the worker can conveniently drive the elastic sheet 32 to the lower part of the baffle sheet 35; when the negative pressure plate 31 moves upwards to block the air extraction opening 24, the top surface of the negative pressure plate 31 extrudes the touch-pressing part of the touch-pressing switch 7, and when the touch-pressing part of the touch-pressing switch 7 is extruded, a starting signal is sent to the first air pump 1 to control the first air pump 1 to start, so that the first air pump 1 is automatically started when the air in the excessive air tank 2 is completely extracted, and then a worker opens the opening and closing valves in the first conveying pipe 11 and the second conveying pipe 13 to perform inflation, thereby improving the automation of the mechanism.
The sealing air bag 4 further seals the connection part of the guide rod 3 and the excessive air tank 2, so that air leakage of the excessive air tank 2 at the through part of the guide rod 3 is prevented; wherein in the use of the excessive gas tank 2, the second magnetic plate 43 is continuously attracted by the first magnetic plate 42, when the second magnetic plate 43 is acted by magnetic force, the gas in the gas filling box 41 is continuously compressed, and the gas filling box 41 is communicated with the sealing gas bag 4 through the communicating pipe, so that the gas pressure in the sealing gas bag 4 is continuously kept stable, and the influence of the aging of the sealing gas bag 4 on the effect after long-time use is reduced; when the storage containers for butting different storage gases are replaced, the opening and closing valves in the first butt joint 12 and the second butt joint 14 are closed, then the first check valve and the third check valve are opened, the guide rod 3 is controlled by a worker to intermittently move up and down, the negative pressure plate 31 at the bottom end of the guide rod 3 moves synchronously, when the negative pressure plate 31 moves downwards, the gas in the excessive gas tank 2 is extruded into the first guide pipe 51 and then enters the gas receiving tank 5, when the negative pressure plate 31 moves upwards, the gas in the first conveying pipe 11 and the second conveying pipe 13 is pumped into the excessive gas tank 2, and as the negative pressure plate 31 moves up and down, the gas remained in the first conveying pipe 11, the second conveying pipe 13 and the excessive gas tank 2 is filled into the gas receiving tank 5, and when the storage containers for butting different storage gases are replaced, the gas remained in the first conveying pipe 11, the second conveying pipe 13 and the excessive gas tank 2 are collected in a concentrated manner; before the inflatable bottle is inflated, the first air pump 1 is started, the second one-way valve is opened, when the first air pump 1 is started, the air in the excessive air tank 2 is pumped away through the second conveying pipe 13, and meanwhile, the air in the second guide pipe 54, the bearing air tank 5 and the first guide pipe 51 is pumped away through the second one-way valve; when transferring and receiving the gas in the gas tank 5, the second telescopic rod 52 is started, and the fourth one-way valve and the fifth one-way valve are opened; the output end of the second telescopic rod 52 drives the pushing plate 53 to reciprocate, the pushing plate 53 pumps the gas in the first conduit 51 into the second conduit 54, so that the gas is concentrated in the second conduit 54; then, the first electromagnetic valve and the second electromagnetic valve are opened, the pull rod 61 is pulled at the same time, the pull rod 61 drives the air suction plate 62 to move in the air suction cylinder 6, the air suction cylinder 6 pumps the gas concentrated in the second guide pipe 54 through the second air suction pipe 63 and the butt joint pipe 64, the pull rod 61 is difficult to be pulled continuously when the air suction is completed, at the moment, the first electromagnetic valve and the second electromagnetic valve are closed, the concentration of the gas is realized, and the transfer of the gas is facilitated.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a high-purity gas conveying mechanism which characterized in that: the device comprises a first air pump (1), wherein the input end of the first air pump (1) is communicated with a first conveying pipe (11), and a first butt joint (12) is arranged at the end part of the first conveying pipe (11) far away from the first air pump (1); the output end of the first air pump (1) is communicated with a second conveying pipe (13), and a second butt joint (14) is arranged at one end, far away from the first air pump (1), of the second conveying pipe (13); the first butt joint (12) and the second butt joint (14) are internally provided with an opening and closing valve;
The surface of the second conveying pipe (13) is provided with a fracture; a transition gas tank (2) is arranged in the fracture, and the transition gas tank (2) is communicated with the second conveying pipe (13); the side of the transition air box (2) is provided with a second air pump (21), the input end of the second air pump (21) is communicated with a first air extraction pipe (22), one end, far away from the second air pump (21), of the first air extraction pipe (22) is communicated with a plugging plate (23), and the plugging plate (23) is communicated by the first air extraction pipe (22); an extraction opening (24) is formed in the top surface of the excess air box (2), and the plugging plate (23) is matched with the extraction opening (24) in size; the top surface of the transition gas tank (2) is provided with a groove (25), the groove (25) is communicated with the extraction opening (24), a baffle (26) is connected inside the groove (25) in a sliding mode, and a first telescopic rod (27) is arranged on the side surface of the transition gas tank (2); the end part of the output end of the first telescopic rod (27) is arranged on the top surface of the baffle plate (26); the baffle (26) can seal the extraction opening (24); the inner bottom wall of the transition air box (2) is provided with a negative pressure plate (31), and the side surface of the negative pressure plate (31) is in sliding connection with the vertical inner wall of the transition air box (2); the top surface of the negative pressure plate (31) is vertically provided with a plurality of guide rods (3), and the top ends of the guide rods (3) penetrate through the upper part of the transition air box (2); the top end of the guide rod (3) is provided with an elastic sheet (32), the top surface of the excess air box (2) is provided with a plurality of support plates (33), the side surfaces of the support plates (33) are connected with guide rods (34) in a penetrating and inserting mode, one end, pointing to the guide rod (3), of the guide rods (34) is provided with a baffle sheet (35), and a pair of buffer springs are arranged between the baffle sheet (35) and the support plates (33); the end part of the elastic sheet (32) is positioned right below the baffle sheet (35) at the beginning; the top surface of the baffle (35) comprises a horizontal plane and an inclined plane; the end part of the elastic sheet (32) is positioned right below the inclined surface of the baffle sheet (35); a touch switch (7) is arranged on the top surface of the excess air box (2); the touch-pressing part of the touch-pressing switch (7) penetrates through the top surface of the excessive gas tank (2) and is positioned in the excessive gas tank (2).
2. A high purity gas delivery mechanism according to claim 1 wherein: the first butt joint (12) is used for being in butt joint with a container for storing gas; the second butt joint (14) is used for being in butt joint with the inflatable bottle; when the gas in the excess gas tank (2) is pumped, the opening and closing valve of the second butt joint (14) is opened, and the opening and closing valve of the first butt joint (12) is closed.
3. A high purity gas delivery mechanism according to claim 1 wherein: the top surface of the excess air box (2) is provided with a plurality of sealing air bags (4), and the sealing air bags (4) are arranged in a ring shape and surround the guide rod (3); the surface of the sealing air bag (4) is in pressing contact with the side surface of the guide rod (3).
4. A high purity gas delivery mechanism according to claim 3 wherein: the top surface of the excess air box (2) is provided with a plurality of air inflation boxes (41), and a communicating pipe is arranged between the air inflation boxes (41) and the sealing air bag (4); a first magnetic plate (42) is arranged at one side, close to the sealing air bag (4), inside the inflation box (41), and the first magnetic plate (42) is communicated through a communicating pipe; the inflatable box (41) is internally provided with a second magnetic plate (43), and the second magnetic plate (43) and the first magnetic plate (42) have different magnetism.
5. A high purity gas delivery mechanism according to claim 1 wherein: the side of excessive gas tank (2) is provided with accepts gas tank (5), the bottom surface of accepting gas tank (5) and the bottom intercommunication of excessive gas tank (2) are provided with first pipe (51), the tip that first pipe (51) are close to excessive gas tank (2) is provided with the directional first check valve who accepts gas tank (5) of valve port.
6. The high purity gas delivery mechanism of claim 5 wherein: the inside of the carrying gas box (5) is slidably connected with a push plate (53), and the push plate (53) is attached to the vertical inner wall of the carrying gas box (5) at the beginning; the side surface of the air receiving box (5) is provided with a second telescopic rod (52), and the end part of the output end of the second telescopic rod (52) penetrates into the air receiving box (5) and is vertically arranged on the side surface of the push plate (53); the side surface of the receiving air box (5) is communicated with the top surface of the transition air box (2) and is provided with a second guide pipe (54); the end of the second conduit (54) close to the excess air tank (2) is provided with a second one-way valve with a valve port pointing to the excess air tank (2).
7. The high purity gas delivery mechanism of claim 6 wherein: the top surface of the air receiving box (5) is provided with an air extracting tube (6), the inside of the air extracting tube (6) is connected with an air extracting plate (62) in a sliding mode, the side face of the air extracting plate (62) is provided with a pull rod (61), the side face of the air extracting tube (6) is communicated with a second air extracting tube (63), and a first electromagnetic valve with a valve port pointing to the air extracting tube (6) is arranged inside the second air extracting tube (63); the side of the second conduit (54) is communicated with a butt joint pipe (64), and the butt joint pipe (64) is in butt joint communication with a second exhaust pipe (63) and is internally provided with a second electromagnetic valve.
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| CN202311502736.4A CN117346056B (en) | 2023-11-13 | 2023-11-13 | High-purity gas conveying mechanism |
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| CN117346056A (en) | 2024-01-05 |
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