CN221238721U - Portable public place air sampling equipment - Google Patents
Portable public place air sampling equipment Download PDFInfo
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- CN221238721U CN221238721U CN202323188989.7U CN202323188989U CN221238721U CN 221238721 U CN221238721 U CN 221238721U CN 202323188989 U CN202323188989 U CN 202323188989U CN 221238721 U CN221238721 U CN 221238721U
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- 238000005070 sampling Methods 0.000 title claims abstract description 77
- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims description 67
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of air sampling, and provides portable public place air sampling equipment which comprises a support frame, wherein a guide sliding rod is fixedly connected to the inside of one end of the support frame, a displacement frame is connected to the outer side of the guide sliding rod in a sliding manner, a pushing plate is fixedly connected to one end of the top of the guide sliding rod, an electric push rod is fixedly connected to the other end of the support frame, the output end of the electric push rod is fixedly connected with the pushing plate, an assembly frame is fixedly connected to the top end of the displacement frame, a sample collection mechanism is assembled at the top end of the assembly frame, and the sample collection mechanism is used for forming layered sampling of an air sample in cooperation with the electric push rod. Through the technical scheme, the problems that in the prior art, air sample data of single sampling is single, independent collection of air samples at different heights is difficult to realize, sampling continuity is poor, and the whole is not convenient enough are solved.
Description
Technical Field
The utility model relates to the technical field of air sampling, in particular to portable public place air sampling equipment.
Background
Air sampling refers to a method for collecting a pollutant sample or a polluted air sample in the atmosphere, and the collecting method is to make a large amount of air pass through a liquid absorbent or a solid absorbent to enrich pollutants with lower concentration in the atmosphere, such as an air extraction method and a filter membrane method. The other is to collect the air containing the pollutants by using a container (glass bottle, plastic bag, etc.);
Because the personnel activities in the public place are relatively dense, the air quality is particularly important, and at present, the air sample in the public place is firstly acquired through sampling equipment at random and then analyzed for the air quality;
However, in the application process of the sampling device in the conventional technology, the air sample data of single sampling is relatively single, and independent collection of air samples at different heights is difficult to realize, so that the sampling continuity is poor, and the whole is not convenient enough.
Based on this, we propose a portable public place air sampling device to solve the above-mentioned problems.
Disclosure of utility model
The utility model provides portable public place air sampling equipment, which solves the problem of the portable public place air sampling equipment in the related technology.
The technical scheme of the utility model is as follows: the utility model provides a portable public place air sampling equipment, includes the support frame, the inside fixedly connected with direction slide bar of support frame one end, the outside sliding connection of direction slide bar has the displacement frame, the one end fixedly connected with push plate at direction slide bar top, the other end fixedly connected with electric putter of support frame, just electric putter's output and push plate fixed connection, the top fixedly connected with assembly jig of displacement frame, the top of assembly jig is equipped with sample collection mechanism, sample collection mechanism is used for cooperating electric putter to form the stratified sampling of air sample.
Further, sample collection mechanism is including center axostylus axostyle, driving motor, carrying on dish, sampling tube, displacement piece, drive seat and drive screw, the inside rotation of assembly jig is connected with center axostylus axostyle, the bottom fixedly connected with driving motor of assembly jig one end, just driving motor's output and center axostylus axostyle fixed connection, the top fixedly connected with of center axostylus axostyle carries on the dish, carry on the outside fixedly connected with of dish a plurality of sampling tubes, every the equal sliding connection in inside of sampling tube has the displacement piece, the bottom rotation of sampling tube is connected with the drive seat, the inside threaded connection of drive seat has drive screw, just drive screw is located the inside one end and the displacement piece fixed connection of sampling tube.
Further, sample collection mechanism still includes guide spur gear, driving motor, transmission spur gear, gag lever post and limiting plate and shutoff mechanism, every the equal fixedly connected with in the outside of drive seat guides the spur gear, the inboard fixedly connected with driving motor of assembly frame, driving motor's output fixedly connected with transmission spur gear, and every the transmission spur gear all is connected with guide spur gear meshing, one side sliding connection of sampling tube has the gag lever post, the bottom fixedly connected with limiting plate of driving screw, just the bottom and the limiting plate fixed connection of gag lever post, the top of gag lever post is provided with shutoff mechanism, shutoff mechanism is used for forming the leak protection shutoff of sample.
Further, the plugging mechanism comprises a plugging frame, a positioning shaft, a plugging disc and a rotation stopping screw, wherein the top end of the limiting rod is fixedly connected with the plugging frame, the top end of the plugging frame is rotationally connected with the positioning shaft, the middle part of the positioning shaft is fixedly connected with the plugging disc, and the two ends of the positioning shaft are connected with the rotation stopping screw through threads.
Furthermore, the outside fixedly connected with sealing washer of displacement piece, just be transition fit between sealing washer and the sampling tube inner wall.
Further, a threaded through hole is formed in the transmission seat, and the transmission screw is connected to the inside of the threaded through hole.
The working principle and the beneficial effects of the utility model are as follows:
1. According to the utility model, by utilizing the structural coordination of the sample collection mechanism, the independent collection of the air samples at different heights can be realized through the plurality of sampling cylinders, so that the sampling continuity is greatly improved, the whole is more convenient, and the accuracy of the subsequent air data analysis is ensured.
2. According to the utility model, the sampling cylinder can be plugged through the plugging disc after sampling by utilizing the matching of the plugging mechanism, so that the sample is prevented from leaking, the accuracy of sample data is ensured, the whole structure is compact, the occupied area is small, and the carrying and the transportation can be conveniently carried out.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG.1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of the structure of the present utility model;
FIG. 3 is a schematic view of a sample collection mechanism according to the present utility model;
FIG. 4 is an enlarged view of a portion of the utility model at A in FIG. 3;
fig. 5 is a schematic structural view of the plugging mechanism of the present utility model.
In the figure: 1. a support frame; 2. a guide slide bar; 3. a displacement frame; 4. a pushing plate; 5. an electric push rod; 6. an assembly frame; 7. a sample collection mechanism; 8. a central shaft; 9. a driving motor; 10. a carrying tray; 11. a sampling cylinder; 12. a displacement sheet; 13. a transmission seat; 14. a drive screw; 15. a guide spur gear; 16. a drive motor; 17. a transmission spur gear; 18. a limit rod; 19. a limiting plate; 20. a plugging frame; 21. positioning a shaft; 22. a plugging disc; 23. and (5) stopping rotating the screw.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 5, the embodiment proposes a portable public place air sampling device;
In the embodiment, the portable public place air sampling device comprises a support frame 1, wherein a guide slide bar 2 is fixedly connected to the inside of one end of the support frame 1, a displacement frame 3 is slidably connected to the outer side of the guide slide bar 2, a push plate 4 is fixedly connected to one end of the top of the guide slide bar 2, an electric push rod 5 is fixedly connected to the other end of the support frame 1, the output end of the electric push rod 5 is fixedly connected with the push plate 4, an assembly frame 6 is fixedly connected to the top end of the displacement frame 3, a sample collection mechanism 7 is assembled at the top end of the assembly frame 6, and the sample collection mechanism 7 is used for forming layered sampling of an air sample by matching with the electric push rod 5;
It can be understood that the electric push rod 5 is started, so that the output end of the electric push rod 5 pushes the push plate 4 to displace, and the displacement frame 3 is driven to adjust the height of the assembly frame 6 under the limit of the guide slide rod 2;
specifically, the bottom end of the displacement frame 3 is provided with a guide hole, the guide hole is in clearance fit with the guide sliding rod 2, and the displacement frame 3 can be conveniently connected with the guide sliding rod 2 through the arrangement of the guide hole, so that the displacement stability of the displacement frame 3 is improved;
The sample collection mechanism 7 comprises a central shaft rod 8, a driving motor 9, a carrying disc 10, sampling cylinders 11, displacement sheets 12, a transmission seat 13 and a transmission screw 14, wherein the central shaft rod 8 is rotationally connected to the inside of the assembly frame 6, the driving motor 9 is fixedly connected to the bottom of one end of the assembly frame 6, the output end of the driving motor 9 is fixedly connected with the central shaft rod 8, the carrying disc 10 is fixedly connected to the top end of the central shaft rod 8, a plurality of sampling cylinders 11 are fixedly connected to the outside of the carrying disc 10, the displacement sheets 12 are slidingly connected to the inside of each sampling cylinder 11, the transmission seat 13 is rotationally connected to the bottom end of each sampling cylinder 11, the transmission screw 14 is connected to the internal threads of the transmission seat 13, and one end of the transmission screw 14 positioned inside the sampling cylinder 11 is fixedly connected with the displacement sheets 12;
In more detail, the transmission motor 16 is started to drive the transmission spur gear 17 to stir the guide spur gear 15 connected with the transmission spur gear, so as to drive the transmission seat 13 to rotate, and the transmission seat 13 is matched with the connection of the transmission screw 14, so that the transmission screw 14 can displace in the transmission seat 13 under the limit of the limit rod 18, and then the position of the displacement sheet 12 in the sampling cylinder 11 is changed, negative pressure is formed in the sampling cylinder 11, and an air sample enters the sampling cylinder 11 for concentration;
Furthermore, a sealing ring is fixedly connected to the outer side of the displacement sheet 12, and is in transition fit with the inner wall of the sampling tube 11, and through the arrangement of the sealing ring, a connecting gap between the sampling tube 11 and the displacement sheet 12 can be plugged, so that the leakage of a sample is avoided;
Preferably, a threaded through hole is formed in the transmission seat 13, the transmission screw 14 is connected in the threaded through hole, and the transmission screw 14 can be displaced along the threaded through hole in the rotating process of the transmission seat 13 by utilizing the arrangement of the threaded through hole, so that the position of the transmission screw 14 is adjusted;
The sample collection mechanism 7 further comprises a guide straight gear 15, a transmission motor 16, a transmission straight gear 17, a limiting rod 18, a limiting plate 19 and a blocking mechanism, wherein the outer side of each transmission seat 13 is fixedly connected with the guide straight gear 15, the inner side of the assembly frame 6 is fixedly connected with the transmission motor 16, the output end of the transmission motor 16 is fixedly connected with the transmission straight gear 17, each transmission straight gear 17 is meshed with the guide straight gear 15, one side of the sampling cylinder 11 is slidably connected with the limiting rod 18, the bottom end of the transmission screw 14 is fixedly connected with the limiting plate 19, the bottom end of the limiting rod 18 is fixedly connected with the limiting plate 19, the top end of the limiting rod 18 is provided with the blocking mechanism, and the blocking mechanism is used for forming leak-proof blocking of a sample;
A limit lug is fixedly connected to one side of the sampling tube 11, and a limit rod 18 is slidably connected inside the limit lug;
Example 2
As shown in fig. 1 to 5, the present embodiment also proposes a plugging mechanism based on the same concept as that of embodiment 1 described above;
in the embodiment, the plugging mechanism comprises a plugging frame 20, a positioning shaft 21, a plugging disc 22 and a rotation stopping screw 23, wherein the plugging frame 20 is fixedly connected to the top end of the limiting rod 18, the positioning shaft 21 is rotatably connected to the top end of the plugging frame 20, the plugging disc 22 is fixedly connected to the middle part of the positioning shaft 21, and the rotation stopping screws 23 are connected to the two ends of the positioning shaft 21 in a threaded manner;
In summary, as the driving screw 14 continuously moves downwards, the stop lever 18 drives the blocking disc 22 to move along with the movement, after the blocking disc 22 contacts with the top end of the stop lever 18, sampling is completed, the blocking disc 22 is adsorbed by the sampling tube 11, the top end of the sampling tube 11 is blocked, and the leakage of a sample is avoided;
Wherein, the both ends of shutoff frame 20 all fixedly connected with slipmat, and the slipmat's outside has seted up the antiskid line, through the setting of slipmat, the contact effect of anti-rotation screw 23 and shutoff frame 20 that can be very big improves.
One specific application of the two embodiments described above is: placing the support frame 1 at a designated position in a public place, then starting the electric push rod 5, and promoting the output end of the electric push rod 5 to push the push plate 4 to displace, so as to drive the displacement frame 3 to adjust the height of the assembly frame 6 under the limit of the guide slide rod 2;
Subsequently, the transmission motor 16 is started, the transmission spur gear 17 is driven to stir the guide spur gear 15 connected with the transmission spur gear, so that the transmission seat 13 is driven to rotate, and the transmission seat 13 is matched with the connection of the transmission screw 14, so that the transmission screw 14 can displace in the transmission seat 13 under the limit of the limit rod 18, the position of the displacement sheet 12 in the sampling cylinder 11 is changed, negative pressure is formed in the sampling cylinder 11, an air sample is enabled to enter the sampling cylinder 11 to concentrate, the limit rod 18 drives the blocking disc 22 to follow displacement along with the continuous downward movement of the transmission screw 14, after the blocking disc 22 contacts with the top end of the limit rod 18, sampling is completed, the blocking disc 22 is adsorbed through the sampling cylinder 11, and the top end of the sampling cylinder 11 is blocked, so that the sample is prevented from leaking;
The driving motor 9 can be started to drive the central shaft lever 8 to rotate, the position of the sampling cylinder 11 is adjusted by matching with the connection of the central shaft lever 8 and the carrying disc 10, the sampling cylinder 11 with samples is driven to be far away from the transmission spur gear 17, the next sampling cylinder 11 reaches the transmission spur gear 17, the next guiding spur gear 15 is meshed with the transmission spur gear 17, then the electric push rod 5 is started again, the height of the assembly frame 6 is adjusted, the transmission motor 16 is started subsequently, the guiding spur gear 15 can be stirred through the transmission spur gear 17, and air samples with another height can be collected, so that the sampling continuity is effectively ensured, the repeated replacement of the sampling cylinder is avoided, and the sampling efficiency is greatly improved;
When the air sample is taken out later, firstly, the rotation stopping screw 23 is unscrewed to separate from contact with the plugging frame 20, so that friction force between the positioning shaft 21 and the plugging frame 20 can be reduced, then the plugging disc 22 is rotated upwards, the plugging disc 22 is separated from the top end of the sampling tube 11, the sample container is connected with the top end of the sampling tube 11, then the transmission motor 16 and the central shaft lever 8 are started, the transmission spur gear 17 is driven to sequentially stir the guiding spur gear 15, the transmission screw 14 is driven to move into the sampling tube 11, and the sample can be pushed out.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a portable public place air sampling equipment, its characterized in that, including support frame (1), the inside fixedly connected with direction slide bar (2) of support frame (1) one end, the outside sliding connection of direction slide bar (2) has displacement frame (3), the one end fixedly connected with push plate (4) at direction slide bar (2) top, the other end fixedly connected with electric putter (5) of support frame (1), just the output and push plate (4) fixed connection of electric putter (5), the top fixedly connected with assembly jig (6) of displacement frame (3), the top of assembly jig (6) is equipped with sample collection mechanism (7), sample collection mechanism (7) are used for cooperating electric putter (5) to form the layering sample of air sample.
2. The portable public place air sampling device according to claim 1, wherein the sample collection mechanism (7) comprises a central shaft lever (8), a driving motor (9), a carrying disc (10), sampling cylinders (11), displacement pieces (12), a transmission seat (13) and a transmission screw (14), the central shaft lever (8) is rotationally connected to the inside of the assembly frame (6), the driving motor (9) is fixedly connected to the bottom of one end of the assembly frame (6), the output end of the driving motor (9) is fixedly connected with the central shaft lever (8), the carrying disc (10) is fixedly connected to the top end of the central shaft lever (8), a plurality of sampling cylinders (11) are fixedly connected to the outer side of the carrying disc (10), the displacement pieces (12) are slidingly connected to the inside of each sampling cylinder (11), the transmission seat (13) is rotationally connected to the bottom end of the sampling cylinder (11), the transmission screw (14) is in threaded connection with the inside of the transmission seat (13), and the transmission screw (14) is located in one end of the sampling cylinder (11) and fixedly connected with the displacement pieces (12).
3. The portable public place air sampling device according to claim 2, wherein the sample collection mechanism (7) further comprises a guiding spur gear (15), a transmission motor (16), a transmission spur gear (17), a limiting rod (18) and a limiting plate (19) and a blocking mechanism, each transmission seat (13) is fixedly connected with the guiding spur gear (15) on the outer side, the transmission motor (16) is fixedly connected to the inner side of the assembly frame (6), the output end of the transmission motor (16) is fixedly connected with the transmission spur gear (17), each transmission spur gear (17) is meshed with the guiding spur gear (15), one side of the sampling cylinder (11) is slidably connected with the limiting rod (18), the bottom end of the transmission screw (14) is fixedly connected with the limiting plate (19), the bottom end of the limiting rod (18) is fixedly connected with the limiting plate (19), the top end of the limiting rod (18) is provided with the blocking mechanism, and the blocking mechanism is used for forming a leakage prevention of a sample.
4. A portable public place air sampling device according to claim 3, characterized in that, the shutoff mechanism is including shutoff frame (20), locating shaft (21), shutoff dish (22) and anti-rotation screw (23), the top fixedly connected with shutoff frame (20) of gag lever post (18), the top rotation of shutoff frame (20) is connected with locating shaft (21), the middle part fixedly connected with shutoff dish (22) of locating shaft (21), the equal threaded connection in both ends of locating shaft (21) is anti-rotation screw (23).
5. The portable public place air sampling device according to claim 2, wherein a sealing ring is fixedly connected to the outer side of the displacement piece (12), and the sealing ring is in transition fit with the inner wall of the sampling tube (11).
6. A portable public place air sampling device according to claim 2, characterized in that the inside of the transmission seat (13) is provided with a threaded through hole, and the transmission screw (14) is connected inside the threaded through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323188989.7U CN221238721U (en) | 2023-11-25 | 2023-11-25 | Portable public place air sampling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323188989.7U CN221238721U (en) | 2023-11-25 | 2023-11-25 | Portable public place air sampling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221238721U true CN221238721U (en) | 2024-06-28 |
Family
ID=91613660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323188989.7U Active CN221238721U (en) | 2023-11-25 | 2023-11-25 | Portable public place air sampling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221238721U (en) |
-
2023
- 2023-11-25 CN CN202323188989.7U patent/CN221238721U/en active Active
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