CN116202829B - Automatic change and gather and use vacuum box - Google Patents
Automatic change and gather and use vacuum box Download PDFInfo
- Publication number
- CN116202829B CN116202829B CN202310249874.XA CN202310249874A CN116202829B CN 116202829 B CN116202829 B CN 116202829B CN 202310249874 A CN202310249874 A CN 202310249874A CN 116202829 B CN116202829 B CN 116202829B
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- pipe
- air
- vacuum box
- linkage rod
- collection
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- 230000008859 change Effects 0.000 title claims description 3
- 238000005070 sampling Methods 0.000 claims abstract description 53
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 7
- 238000005192 partition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
- G01N2001/248—Evacuated containers
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion
Abstract
The invention discloses an automatic collection vacuum box which comprises a vacuum box body and a vacuum pump, wherein a box cover is arranged at the top end of the vacuum box body, a main air pipe is arranged between the vacuum pump and the box cover, a plurality of sampling bags are arranged in the vacuum box body, and a collection telescopic pipe is arranged outside the vacuum box body. When the collecting telescopic tube is used for sampling, the collecting telescopic tube rotates relative to the second rotary plate through the first rotary plate and is in butt joint with the corresponding air hole, in the rotating process, the arranged extrusion ball acts on the corresponding arc sliding plate, the arc sliding plate is linked to enable the exhaust pipe of the air compressed air tank to be opened, so that clean high-pressure air in the air compressed air tank is released, quickly flows through the collecting telescopic tube and finally is discharged from the exhaust port, and other polluted gases in the collecting telescopic tube are conveniently discharged, and the influence on subsequent sampling is avoided.
Description
Technical Field
The invention relates to the technical field of environment sampling, in particular to a vacuum box for automatic acquisition.
Background
The vacuum sampling box is formed by combining a vacuum box and a sampling bag, the sampling bag is arranged in the vacuum box, a sampling gun arranged outside is arranged in a corresponding environment during sampling, and then a vacuum environment is manufactured in the vacuum box, so that external gas can enter the sampling bag, and gas sampling of the corresponding environment is realized;
the Chinese patent grant bulletin number is CN214952453U, the name is a vacuum sampling box, the vacuum sampling box comprises a box body and a box cover, a partition plate is arranged in the box body, a sampling cavity is arranged above the partition plate, a containing cavity is arranged below the partition plate, a power supply is arranged on one side of the containing cavity, a control panel is arranged on one side of the power supply, a sampling bag is arranged in the sampling cavity, and an air pump is arranged in the box body by the vacuum sampling box;
the defects of the prior art scheme are that: the gas sample under multiple different environments can not be collected in the scheme, the sampling bag needs to be replaced when sampling is carried out each time, and the sampling bag needs to be placed in the corresponding environment through the sampling gun generally when sampling is carried out, then the ambient gas is led into the sampling bag by means of the sampling gun, but once the sampling bag is replaced to collect another gas sample, the sampling gun assembly also needs to be replaced, otherwise, sample cross contamination is easy to cause, and the whole equipment is inconvenient to use.
Disclosure of Invention
The invention aims to provide an automatic collection vacuum box so as to solve the technical problems that the vacuum box in the prior art is inconvenient to collect various environmental gas samples and inconvenient to operate and use.
The technical problems to be solved by the invention can be realized by the following technical scheme:
the automatic collection vacuum box comprises a vacuum box body and a vacuum pump, wherein a box cover is arranged at the top end of the vacuum box body, a main air pipe is arranged between the vacuum pump and the box cover, a plurality of sampling bags are arranged in the vacuum box body, collection telescopic pipes are arranged outside the vacuum box body, and a plurality of through holes are uniformly formed in the side wall of one end of each collection telescopic pipe;
the end, close to the through hole, of the collecting telescopic pipe is provided with an exhaust port, the outer side of the exhaust port is movably connected with a second unidirectional sealing piece through a rebound hinge, and the end, close to the through hole, of the collecting telescopic pipe is sleeved with a filtering cotton sleeve;
the end, far away from the through hole, of the collecting telescopic pipe is provided with a first rotary table, the bottom of the first rotary table is rotationally connected with a second rotary table, the end, far away from the through hole, of the collecting telescopic pipe is connected with a communicating pipe, the communicating pipe is connected to the first rotary table, a plurality of air holes are circumferentially distributed in the second rotary table, the bottom of each air hole is connected with a first control valve, and an air pipe assembly is connected between the first control valve and a corresponding sampling bag;
and a plurality of air compression air tanks are circumferentially distributed outside the second turntable, and an exhaust switch piece is connected between each air compression air tank and the corresponding air hole.
As a further scheme of the invention: the exhaust switch piece comprises an exhaust pipe, the exhaust pipe is connected between an air compression tank and an air hole, a blocking valve plate is inserted on the exhaust pipe in a sliding mode, a linkage rod mechanism is connected between the blocking valve plate and the exhaust pipe, and a linkage extrusion mechanism is connected between the linkage rod mechanism and the first rotating disc.
As a further scheme of the invention: the linkage rod mechanism comprises a first linkage rod and a second linkage rod, one end of the first linkage rod is movably connected to the outer wall of the exhaust pipe through a hinge, one end of the second linkage rod is movably connected to the blocking valve plate through a hinge, and the first linkage rod and the second linkage rod are movably connected through a hinge.
As a further scheme of the invention: the linkage extrusion mechanism comprises an arc sliding plate and an extrusion ball, a first strip-shaped sliding groove is formed in the first rotary plate, the extrusion ball is slidably connected to the first strip-shaped sliding groove, a second strip-shaped sliding groove is horizontally formed in the exhaust pipe, and the arc sliding plate is slidably connected to the second strip-shaped sliding groove.
As a further scheme of the invention: the end part of the collection telescopic pipe, which is close to the exhaust port, is provided with a pressure sensing switch, the pressure sensing switch is matched with the second unidirectional sealing sheet, the outer wall of the collection telescopic pipe, which is close to the communicating pipe, is provided with a vibrator which is electrically connected with the pressure sensing switch, and the collection telescopic pipe is an elastic metal pipe.
As a further scheme of the invention: the inner wall of one end of the collecting telescopic pipe is rotatably connected with a plurality of first unidirectional sealing sheets matched with the through holes.
As a further scheme of the invention: the air pipe assembly comprises a connecting rubber sleeve, the connecting rubber sleeve is connected to the side wall of the vacuum box body, a first rubber pipe is inserted into one side, close to the inside of the vacuum box body, of the connecting rubber sleeve, a second control valve is connected to the sampling bag, the tail end of the first rubber pipe is inserted into a port of the second control valve, a second rubber pipe is inserted into one side, close to the outside of the vacuum box body, of the connecting rubber sleeve, and the tail end of the second rubber pipe is inserted into a corresponding port of the first control valve.
As a further scheme of the invention: the air compression tank is also connected with an air inlet pipe, and an inflation valve is arranged on the air inlet pipe.
The invention has the beneficial effects that:
1. when the collecting telescopic pipe is used for sampling, the collecting telescopic pipe rotates relative to the second rotary plate through the first rotary plate and is in butt joint with the corresponding air hole, in the rotating process, the arranged extrusion ball acts on the corresponding arc sliding plate, the arc sliding plate is linked with the opening of the exhaust pipe of the air compression air tank, so that clean high-pressure air in the air compression air tank is released, quickly flows through the collecting telescopic pipe and is finally discharged from the exhaust port, and other polluted gases in the collecting telescopic pipe are conveniently discharged, and the influence on subsequent sampling is avoided;
2. the vacuum box body is internally provided with the plurality of sampling bags, the vacuum box body can be used for sampling gas samples in different environments, and when the gas in different environments is led into the corresponding sampling bags, only the first rotating disc is required to be rotated, so that the rotary switching position of the telescopic pipe is collected, the telescopic pipe is abutted with the sampling bags in different positions, the butt joint is not required to be disassembled again, and the vacuum box body is convenient and rapid to use.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the local structure of the connection of the collecting telescopic tube and the filtering cotton sleeve in the invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 3;
FIG. 5 is an enlarged schematic view of the structure at C in FIG. 3;
FIG. 6 is a schematic top view of the pneumatic cylinder of the present invention in combination with a first rotor;
FIG. 7 is an enlarged schematic view of the structure at D in FIG. 6;
FIG. 8 is a schematic top view of the sample bag and vacuum box of the present invention in a mated configuration.
In the figure: 1. a vacuum box; 2. a vacuum pump; 3. a main air pipe; 4. a case cover; 5. a sampling bag; 6. a vibrator; 7. collecting a telescopic pipe; 8. filtering cotton sleeves; 9. a through hole; 10. a first unidirectional closure tab; 11. a second unidirectional closure tab; 12. a pressure-sensitive switch; 13. the first strip-shaped chute; 14. a second turntable; 15. a first control valve; 16. air holes; 17. a first turntable; 18. a communicating pipe; 19. a blocking valve plate; 20. the second strip-shaped chute; 21. an exhaust pipe; 22. an air compression tank; 23. a first linkage rod; 24. a second linkage rod; 25. arc skateboards; 26. extruding the ball; 27. an air inlet pipe; 28. an inflation valve; 29. a first rubber tube; 30. a second control valve; 31. connecting a rubber sleeve; 32. a second rubber tube; 33. a tracheal assembly; 34. and an exhaust port.
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.
As shown in fig. 1-8, an automatic collection vacuum box comprises a vacuum box body 1 and a vacuum pump 2, wherein a box cover 4 is arranged at the top end of the vacuum box body 1, a lock catch is arranged between the box cover 4 and the vacuum box body 1, after the box cover 4 is covered on the vacuum box body 1, the vacuum box body 1 is sealed, a main air pipe 3 is connected between an air port end of the vacuum pump 2 and the box cover 4, the main air pipe 3 is communicated with the inner space of the vacuum box body 1, the vacuum pump 2 can evacuate air in the vacuum box body 1 through the main air pipe 3, so that a vacuum environment is formed in the vacuum box body 1, a plurality of sampling bags 5 are arranged in the vacuum box body 1, the sampling bags 5 are used for containing gas in the collection environment, a collection telescopic pipe 7 is arranged outside the vacuum box body 1, a plurality of through holes 9 are uniformly formed in one end side walls of the collection telescopic pipe 7, a plurality of first unidirectional sealing pieces 10 matched with the through holes 9 are rotationally connected on one end inner walls of the collection telescopic pipe 7, when the air flow passes through the through hole 9 from the outside of the collecting telescopic pipe 7, the first unidirectional closing piece 10 is rotated and opened due to the impact of the air flow, so that the air flow is convenient to enter the collecting telescopic pipe 7, when the air flow is discharged outwards from the inside of the collecting telescopic pipe 7, the first unidirectional closing piece 10 is rotated and attached to the inner side position of the through hole 9 due to the impact of the air flow, the through hole 9 is closed, one end of the collecting telescopic pipe 7 close to the through hole 9 is provided with an air outlet 34, the outer side of the air outlet 34 is movably connected with the second unidirectional closing piece 11 through a rebound hinge, the air outlet 34 is closed in the initial state of the second unidirectional closing piece 11, only when the air flow is discharged outwards from the inside of the collecting telescopic pipe 7, the air flow rushes out of the second unidirectional closing piece 11 and is discharged from the air outlet 34, and when the end of the collecting telescopic pipe 7 is sucked, the second unidirectional closing piece 11 keeps a closed state, closes the exhaust port 34, and the end part of the collecting telescopic pipe 7 close to the through hole 9 is sleeved with a filter cotton sleeve 8, the filter cotton sleeve 8 is used for filtering particle impurities carried by external air flow when the external air flow enters, and the filter cotton sleeve 8 is convenient to take down for replacement;
the end, far away from the through hole 9, of the collecting telescopic pipe 7 is provided with a first rotating disc 17, the bottom of the first rotating disc 17 is rotationally connected with a second rotating disc 14 through a rotating shaft, the first rotating disc 17 and the second rotating disc 14 are attached together and can rotate relatively, the end, far away from the through hole 9, of the collecting telescopic pipe 7 is connected with a communicating pipe 18, the communicating pipe 18 is connected to the first rotating disc 17 and penetrates through the first rotating disc 17, a plurality of air holes 16 are circumferentially distributed on the second rotating disc 14, a sealing ring is connected to a port, close to the first rotating disc 17, of each air hole 16, of the communicating pipe 18, when the communicating pipe 18 rotates relative to the second rotating disc 14 and is abutted to the corresponding air hole 16, the sealing ring enables the abutting position of the communicating pipe 18 and the air hole 16 to be sealed, air current to flow only between the communicating pipe 18 and the abutted air hole 16, leakage is avoided, the bottom of each air hole 16 is connected with a first control valve 15, an air pipe assembly 33 is connected between the first control valve 15 and the corresponding sampling bag 5, the air pipe assembly 33 comprises a connecting rubber sleeve 31, the connecting rubber sleeve 31 is connected to the side wall of the vacuum box 1, a side, the connecting rubber sleeve 31 is close to the first rubber tube 31, one side, close to the first rubber tube 31 is connected to the first rubber tube 31, the first rubber tube is connected to the second rubber tube 30 is connected to the corresponding air hole 30, and the second rubber tube 30 is separated from the first rubber tube 1, and the corresponding to the first rubber tube 30, and the second rubber tube 32 is connected to the first rubber tube 30, and the second rubber tube 32 is separated from the corresponding end of the first rubber tube 1, and the air tube 1, and the end is conveniently replaced to the first rubber tube 32, and the air tube is separated from the air tube 1, and the air tube is separated from the corresponding valve is connected to the air bag 1, and the air bag is replaced to the air valve and the air tube is replaced to the air tube and is replaced with the air tube is replaced with the air valve and is the air;
the second rubber tube 32 has enough length to facilitate the collection of the movement of the telescopic tube 7 relative to the vacuum box 1
A plurality of air compression air tanks 22 are circumferentially distributed outside the second turntable 14, high-pressure clean pollution-free air is filled in each air compression air tank 22, and an exhaust switch piece is connected between each air compression air tank 22 and the corresponding air hole 16; the air inlet pipe 27 is also connected to the air compression air tank 22, and an inflation valve 28 is arranged on the air inlet pipe 27, so that the air compression air tank 22 can be inflated conveniently;
the exhaust switch piece comprises an exhaust pipe 21, the exhaust pipe 21 is connected between an air compression gas tank 22 and a gas hole 16, a blocking valve plate 19 is inserted on the exhaust pipe 21 in a sliding way, the blocking valve plate 19 can slide perpendicular to the exhaust pipe 21, a linkage rod mechanism is connected between the blocking valve plate 19 and the exhaust pipe 21, the linkage rod mechanism comprises a first linkage rod 23 and a second linkage rod 24, one end of the first linkage rod 23 is movably connected on the outer wall of the exhaust pipe 21 through a hinge, one end of the second linkage rod 24 is movably connected on the blocking valve plate 19 through a hinge, the first linkage rod 23 and the second linkage rod 24 are movably connected through a hinge, a linkage extrusion mechanism is connected between the linkage rod mechanism and a first rotating disc 17, the linkage extrusion mechanism comprises an arc sliding plate 25 and an extrusion ball 26, a first strip sliding groove 13 is formed in the first rotating disc 17, the extrusion ball 26 is slidingly connected on the first strip sliding groove 13, the extrusion ball 26 is aligned with the communication pipe 18, a second strip sliding groove 20 is horizontally formed in the exhaust pipe 21, the arc sliding plate 25 is slidingly connected on the second strip sliding groove 20, the arc sliding plate 25 is matched with the extrusion ball 26, and the arc sliding plate 25 is in the rotation track of the extrusion ball 26;
when the collecting telescopic pipe 7 needs to collect the gas in the corresponding environment into the corresponding sampling bag 5, the first control valve 15 corresponding to the sampling bag 5 is firstly ensured to be in a closed state, the second control valve 30 is in an open state, then the collecting telescopic pipe 7 drives the first rotary table 17 to rotate relative to the second rotary table 14, so that the communicating pipe 18 connected with the collecting telescopic pipe 7 is rotationally aligned to the corresponding air hole 16 on the second rotary table 14 along with the rotation of the first rotary table 17, the extrusion ball 26 on the first rotary table 17 is rotationally extruded onto the arc sliding plate 25 corresponding to the current air hole 16 in the process, the arc sliding plate 25 slides along the second strip-shaped sliding groove 20 due to the extrusion of the extrusion ball 26, thus the arc sliding plate 25 transversely extrudes the end part of the first linkage rod 23 and the second linkage rod 24 which are mutually connected, then the first linkage rod 23 and the second linkage rod 24 are propped open, thereby driving the blocking valve plate 19 to slide and lift, the corresponding exhaust pipe 21 is opened, clean compressed air in the corresponding air compressed air tank 22 is released, the clean compressed air enters the position of the air hole 16 through the exhaust pipe 21, the released clean compressed air enters the collecting telescopic pipe 7 along the communicating pipe 18 and is sprayed out from the air outlet 34, so that polluted air possibly existing in the collecting telescopic pipe 7 is conveniently flushed out, the influence on the subsequent sampling is avoided, after the air in the air compressed air tank 22 is released, the extruding ball 26 is enabled to slide and lift along the first strip-shaped sliding groove 13 to be separated from the circular arc sliding plate 25, then the blocking valve plate 19 is enabled to slide back and reset, the exhaust pipe 21 is blocked again, then the end part of the collecting telescopic pipe 7 sleeved with the filtering cotton sleeve 8 is enabled to extend and be inserted into the corresponding environment, the first control valve 15 is opened, the air in the vacuum box body 1 is pumped out through the vacuum pump 2 to form a vacuum environment, so that the air in the environment where the collecting telescopic pipe 7 is located enters the collecting telescopic pipe 7 under the action of negative pressure, then flows to the air hole 16, and finally enters the sampling bag 5 through the air pipe assembly 33;
the end that gathers flexible pipe 7 is close to gas vent 34 installs pressure sensing switch 12, and pressure sensing switch 12 cooperatees with the one-way closure piece 11 of second, fixed mounting has the vibrator 6 that is connected with pressure sensing switch 12 electricity on gathering flexible pipe 7 is close to the outer wall of communicating pipe 18, and install the battery that provides electric energy for vibrator 6 on gathering flexible pipe 7 the outer wall, gathering flexible pipe 7 is the elastic metal tube, when the clean air in the air compressed gas jar 22 dashes out the one-way closure piece 11 of second of gas vent 34 department and discharges, the one-way closure piece 11 of second just rotates to open, the conflict is on pressure sensing switch 12 just makes vibrator 6 start, so just make whole gathering flexible pipe 7 vibrate, conveniently rely on the vibration to shake down gathering flexible pipe 7 inside adnexed material, and discharge along with the air current.
The working principle of the invention is as follows: the vacuum box body 1 is internally provided with a plurality of sampling bags 5, each sampling bag 5 can be used for containing gas samples in different environments, the vacuum box body 1 can be inflated by the vacuum pump 2 before use, each sampling bag 5 is flattened by virtue of air pressure to be emptied, each time an environmental gas sample is collected, the corresponding first control valve 15 of the sampling bag 5 to be used is firstly ensured to be in a closed state, the second control valve 30 is in an open state, then the first rotary table 17 is driven by the collection telescopic tube 7 to rotate relative to the second rotary table 14, the communicating tube 18 connected with the collection telescopic tube 7 is enabled to rotate along with the first rotary table 17 and be connected with the corresponding air hole 16 on the second rotary table 14, the squeeze ball 26 on the first rotary table 17 is enabled to rotate and squeeze onto the circular arc slide plate 25 corresponding to the current air hole 16, the circular arc slide plate 25 slides along the second strip slide groove 20 due to the squeeze ball 26, the end parts of the first linkage rod 23 and the second linkage rod 24 are laterally squeezed, then the first linkage rod 23 and the second linkage rod 24 are enabled to rotate relative to the second linkage rod 24, the communicating tube 18 is enabled to rotate along with the first rotary table 17, the corresponding air hole 16 is enabled to be enabled to release compressed air to be opened, and the corresponding air hole 21 is enabled to open, and the compressed air 21 is enabled to release clean air through the corresponding air hole 21;
because the first control valve 15 is in a closed state, released clean compressed air enters the collecting telescopic pipe 7 along the communicating pipe 18, and then is sprayed out from the air outlet 34, the second unidirectional sealing sheet 11 is ejected, so that other kinds of polluted gas possibly existing in the collecting telescopic pipe 7 can be conveniently flushed out, and when the second unidirectional sealing sheet 11 rotates to be opened, the second unidirectional sealing sheet is abutted against the pressure sensing switch 12, the pressure sensing switch 12 enables the vibrator 6 to be started, so that the whole collecting telescopic pipe 7 vibrates, substances attached to the inside of the collecting telescopic pipe 7 can be conveniently shaken off by virtue of vibration, and the substances are discharged along with airflow, so that the influence on subsequent sampling is avoided;
after the air in the air compressed air tank 22 is released, the extrusion ball 26 is made to slide and lift along the first strip-shaped sliding groove 13, so that the extrusion ball is separated from the circular arc sliding plate 25, then the blocking valve plate 19 is made to slide back and reset, the exhaust pipe 21 is plugged again, then the end part of the collecting telescopic pipe 7 sleeved with the filtering cotton sleeve 8 is stretched and inserted into the corresponding environment, then the first control valve 15 is opened, the air in the vacuum box 1 is evacuated through the vacuum pump 2 to form a vacuum environment, thus the air in the environment where the collecting telescopic pipe 7 is located passes through the filtering cotton sleeve 8 due to the negative pressure effect, then enters the collecting telescopic pipe 7 through each through hole 9 at the end part of the collecting telescopic pipe 7, flows to the air hole 16, finally enters the sampling bag 5 through the air pipe assembly 33, so that sampling is realized, and the second unidirectional sealing plate 11 seals the exhaust port 34 due to the negative pressure effect in the process.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (5)
1. Automatic change and gather and use vacuum box, including vacuum box (1) and vacuum pump (2), the top of vacuum box (1) is provided with case lid (4), be provided with main trachea (3) between vacuum pump (2) and case lid (4), the inside of vacuum box (1) is provided with a plurality of sampling bags (5), the outside of vacuum box (1) has been set up and has been gathered flexible pipe (7), evenly offered a plurality of through-holes (9) on the one end lateral wall of gathering flexible pipe (7), its characterized in that:
an exhaust port (34) is formed in one end, close to the through hole (9), of the collecting telescopic pipe (7), a second unidirectional sealing sheet (11) is movably connected to the outer side of the exhaust port (34) through a rebound hinge, and a filter cotton sleeve (8) is sleeved at the end, close to the through hole (9), of the collecting telescopic pipe (7);
one end of the collection telescopic pipe (7) far away from the through hole (9) is provided with a first rotary table (17), the bottom of the first rotary table (17) is rotationally connected with a second rotary table (14), the end part of the collection telescopic pipe (7) far away from the through hole (9) is connected with a communicating pipe (18), the communicating pipe (18) is connected to the first rotary table (17), a plurality of air holes (16) are circumferentially distributed on the second rotary table (14), the bottom of each air hole (16) is connected with a first control valve (15), and an air pipe assembly (33) is connected between the first control valve (15) and a corresponding sampling bag (5);
a plurality of air compression air tanks (22) are circumferentially distributed outside the second turntable (14), and an exhaust switch piece is connected between each air compression air tank (22) and a corresponding air hole (16);
the exhaust switch piece comprises an exhaust pipe (21), the exhaust pipe (21) is connected between an air compression gas tank (22) and an air hole (16), a blocking valve plate (19) is inserted on the exhaust pipe (21) in a sliding mode, a linkage rod mechanism is connected between the blocking valve plate (19) and the exhaust pipe (21), and a linkage extrusion mechanism is connected between the linkage rod mechanism and the first rotary table (17); the linkage rod mechanism comprises a first linkage rod (23) and a second linkage rod (24), one end of the first linkage rod (23) is movably connected to the outer wall of the exhaust pipe (21) through a hinge, one end of the second linkage rod (24) is movably connected to the blocking valve plate (19) through a hinge, and the first linkage rod (23) and the second linkage rod (24) are movably connected through a hinge; the linkage extrusion mechanism comprises an arc sliding plate (25) and an extrusion ball (26), a first strip-shaped sliding groove (13) is formed in the first rotary table (17), the extrusion ball (26) is slidably connected to the first strip-shaped sliding groove (13), a second strip-shaped sliding groove (20) is horizontally formed in the exhaust pipe (21), and the arc sliding plate (25) is slidably connected to the second strip-shaped sliding groove (20).
2. The automatic collection vacuum box according to claim 1, wherein a pressure sensing switch (12) is arranged at the end part of the collection telescopic tube (7) close to the exhaust port (34), the pressure sensing switch (12) is matched with the second unidirectional sealing sheet (11), a vibrator (6) electrically connected with the pressure sensing switch (12) is arranged on the outer wall of the collection telescopic tube (7) close to the communicating tube (18), and the collection telescopic tube (7) is an elastic metal tube.
3. An automated collection vacuum box according to claim 1, wherein a plurality of first unidirectional closing sheets (10) cooperating with the through holes (9) are rotatably connected to an inner wall of one end of the collection bellows (7).
4. The automatic collection vacuum box according to claim 1, wherein the air pipe assembly (33) comprises a connecting rubber sleeve (31), the connecting rubber sleeve (31) is connected to the side wall of the vacuum box body (1), a first rubber pipe (29) is inserted into one side, close to the interior of the vacuum box body (1), of the connecting rubber sleeve (31), a second control valve (30) is connected to the sampling bag (5), the tail end of the first rubber pipe (29) is inserted into a port of the second control valve (30), a second rubber pipe (32) is inserted into one side, close to the exterior of the vacuum box body (1), of the connecting rubber sleeve (31), and the tail end of the second rubber pipe (32) is inserted into a port of the corresponding first control valve (15).
5. The automatic acquisition vacuum box according to claim 1, wherein the air compression tank (22) is further connected with an air inlet pipe (27), and the air inlet pipe (27) is provided with an inflation valve (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310249874.XA CN116202829B (en) | 2023-03-15 | 2023-03-15 | Automatic change and gather and use vacuum box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310249874.XA CN116202829B (en) | 2023-03-15 | 2023-03-15 | Automatic change and gather and use vacuum box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116202829A CN116202829A (en) | 2023-06-02 |
| CN116202829B true CN116202829B (en) | 2023-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310249874.XA Active CN116202829B (en) | 2023-03-15 | 2023-03-15 | Automatic change and gather and use vacuum box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116202829B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130043942A (en) * | 2011-10-21 | 2013-05-02 | (주) 에이스엔 | Trap apparatus for gathering aodors and voc |
| CN208888009U (en) * | 2018-07-26 | 2019-05-21 | 武汉聚合信环保科技有限公司 | Vacuum sampling box |
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| CN116202829A (en) | 2023-06-02 |
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