CN219977906U - Quick sampling device of particulate matter in air - Google Patents
Quick sampling device of particulate matter in air Download PDFInfo
- Publication number
- CN219977906U CN219977906U CN202321390905.5U CN202321390905U CN219977906U CN 219977906 U CN219977906 U CN 219977906U CN 202321390905 U CN202321390905 U CN 202321390905U CN 219977906 U CN219977906 U CN 219977906U
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- Prior art keywords
- wall
- filter screen
- box
- collecting box
- air
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- 238000005070 sampling Methods 0.000 title claims abstract description 68
- 239000013618 particulate matter Substances 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 description 13
- 239000008187 granular material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of air particulate matter sampling devices, and discloses an air particulate matter rapid sampling device which comprises a sampling box, wherein a collecting assembly is arranged at the bottom of the sampling box, a filter screen assembly is arranged in the sampling box, the collecting assembly comprises a mounting groove, the inner wall of the mounting groove is fixedly connected with the collecting box, a sliding groove is formed in the outer wall of the collecting box, a collecting box is slidably connected with the inner wall of the sliding groove, a fixing handle is fixedly connected with the outer wall of the collecting box, and a threaded hole is formed in the outer wall of the collecting box. This quick sampling device of particulate matter in air can block the particulate matter in the air through being provided with the filter screen, makes in the particulate matter can be fine drops the collection box, can directly collect the particulate matter in the air, has improved the efficiency of collecting the air particulate matter, when the filter screen is blockked up by the particulate matter and needs the clearance, can dismantle fastening bolt, takes out the filter screen frame through the installation handle, clears up the filter screen.
Description
Technical Field
The utility model relates to the technical field of air particulate matter sampling devices, in particular to an air particulate matter rapid sampling device.
Background
With the development of society, people are increasingly conscious of environmental protection, and in order to understand local air conditions, particulate matters contained in the air in the places need to be sampled and then analyzed so as to perform targeted environmental management.
The sampling device is used for sampling the particles in the air, collecting the particles in the air, and then carrying the particles back to a laboratory for analysis.
The prior art publication No. CN208607050U provides a rapid sampling device for particulate matters in air, an air pump is arranged on an exhaust pipe, normal air intake is not influenced, and the accuracy of a detection result can be prevented from being influenced due to the fact that particles in sample air stay on a blade.
The above-mentioned prior art can prevent that the granule in the sample air from stopping on the blade, and when the device collected the granule, need promote the piston rod, and the piston rod promotes piston downward movement, promotes the gaseous back that passes through the filter screen in the sample container, and the granule stops on the filter screen, does not possess the function of directly collecting the granule, has reduced the efficiency of collecting the air granule, can not satisfy people's needs, consequently, we need a quick sampling device of granule in the air.
Disclosure of Invention
The utility model aims to provide a rapid sampling device for particulate matters in air, which is used for solving the problem that the collected particulate matters cannot be taken out conveniently in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the rapid sampling device for the particulate matters in the air comprises a sampling box, wherein a collecting assembly is arranged at the bottom of the sampling box, and a filter screen assembly is arranged in the sampling box;
the collecting assembly comprises a mounting groove, the inner wall of the mounting groove is fixedly connected with a collecting box, the outer wall of the collecting box is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a collecting box, the outer wall of the collecting box is fixedly connected with a fixing handle, the outer wall of the collecting box is provided with a threaded hole, and the outer wall of the collecting box is provided with a fixing screw;
the filter screen subassembly includes the fixed slot, the draw-in groove has been seted up to the inner wall of sampling case, the inner wall sliding connection of fixed slot has the filter screen frame, and the inner wall fixedly connected with filter screen of filter screen frame, the outer wall fixedly connected with installation handle of filter screen frame, the bolt hole has been seted up to the outer wall of filter screen frame, the outer wall of sampling case is provided with fastening bolt.
Preferably, the inner wall fixedly connected with first ventilation net of sampling case, the air exhauster is installed to the inner wall of sampling case, the inner wall fixedly connected with second ventilation net of sampling case.
Preferably, the shape and the size of the inner wall of the mounting groove are matched with those of the outer wall of the collecting box, and the inner wall of the mounting groove is attached to the outer wall of the collecting box.
Preferably, the collecting box and the collecting box form a sliding structure through a sliding groove, and one end of the collecting box extends into the sliding groove to be connected.
Preferably, the collecting box and the collecting box form a fixed structure through a fixing screw, and one end of the fixing screw stretches into the collecting box to be connected with the threaded hole.
Preferably, the sampling box and the filter screen frame form a sliding structure through the fixing groove, and the filter screen frame penetrates through the fixing groove and stretches into the clamping groove to be connected.
Preferably, the shape and the size of the inner wall of the filter screen frame are matched with those of the outer wall of the filter screen, and the inner wall of the filter screen frame is attached to the outer wall of the filter screen.
Compared with the prior art, the utility model has the beneficial effects that: the rapid sampling device for the particulate matters in the air,
(1) The filter screen is provided with the fixing groove, the clamping groove, the filter screen frame, the filter screen, the mounting handle, the bolt hole and the fastening bolt, and can block particles in air through the filter screen, so that the particles can well fall into the collecting box, the particles in the air can be directly collected, the efficiency of collecting the particles in the air is improved, when the filter screen is blocked by the particles and needs to be cleaned, the fastening bolt can be detached, the filter screen frame is taken out through the mounting handle, the filter screen is cleaned, and people can conveniently clean the filter screen;
(2) Be provided with mounting groove, collecting box, spout, collecting box, fixed handle, screw hole and fixing screw, the particulate matter in the air is stopped by the filter screen and is dropped in the collecting box, enters into the collecting box, when people need take out the particulate matter, can rotate and dismantle fixing screw, will collect the box through fixed handle and pull out, can take out the particulate matter of collecting box the inside, simple structure facilitate the use makes people get the particulate matter more convenient.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present utility model;
FIG. 2 is a schematic view of the structure of the sample tank and the filter screen frame of the present utility model;
FIG. 3 is a schematic view of the structure of the collection box and the threaded hole of the present utility model;
FIG. 4 is a schematic diagram of the structure of the filter screen frame and the filter screen of the present utility model.
In the figure: 1. a sampling box; 2. a first ventilation screen; 3. a collection assembly; 301. a mounting groove; 302. a collection box; 303. a chute; 304. a collection box; 305. a fixed handle; 306. a threaded hole; 307. a fixed screw; 4. a screen assembly; 401. a fixing groove; 402. a clamping groove; 403. a filter screen frame; 404. a filter screen; 405. a handle is installed; 406. bolt holes; 407. a fastening bolt; 5. an exhaust fan; 6. and a second ventilation network.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2 and 3, the present utility model provides the following technical solutions: the utility model provides a quick sampling device of particulate matter in air, including sampling box 1, sampling box 1's inner wall fixedly connected with first ventilation net 2, sampling box 1's bottom is provided with collection unit 3, collection unit 3 includes mounting groove 301, collection box 302, spout 303, collection box 304, fixed handle 305, screw hole 306 and fixing screw 307, sampling box 1's inner wall has seted up mounting groove 301, and mounting groove 301's inner wall fixedly connected with collection box 302, mounting groove 301's inner wall shape size and collection box 302's outer wall shape size match, and mounting groove 301's inner wall and collection box 302's outer wall laminating, the connection effect between mounting groove 301 and the collection box 302 has been strengthened, make collection box 302 can be fine install in mounting groove 301, collection box 302's outer wall has seted up spout 303, and collection box 304's inner wall sliding connection has collection box 304, collection box 302 passes through spout 303 and collection box 304 constitution sliding structure, and one end of collection box 304 stretches into the chute 303 and is connected in spout 303, connection box 304 between can be very big and screw hole 307 is fixed with collection box 302 through screw 307, can be very big and screw hole 307 is fixed to collection box 302 is fixed in connection screw hole 307, the connection screw rod 307 is fixed on collection box 302 is very much, and screw rod 304 is fixed to be fixed to collection box 304's outer wall is fixed to be very much, and is fixed to collection box 304 is fixed to be connected with collection box 304, the particulate matters in the air are blocked by the filter screen 404 and fall into the collecting box 302, and enter into the collecting box 304, when people need to take out the particulate matters, the fixed screw 307 can be rotated to be detached, the collecting box 304 is pulled out through the fixed handle 305, the particulate matters in the collecting box 304 can be taken out, and the collecting box is simple in structure and convenient to use, so that the particulate matters can be taken out more conveniently.
Referring to fig. 1, 2 and 4, a filter screen assembly 4 is disposed in a sampling box 1, the filter screen assembly 4 includes a fixing groove 401, a clamping groove 402, a filter screen frame 403, a filter screen 404, a mounting handle 405, a bolt hole 406 and a fastening bolt 407, an exhaust fan 5 is mounted on the inner wall of the sampling box 1, a second ventilation net 6 is fixedly connected to the inner wall of the sampling box 1, large impurities such as leaves drifting in the air can be prevented from entering the sampling box 1 by disposing the first ventilation net 2 and the second ventilation net 6, birds can be prevented from entering the sampling box 1, the fixing groove 401 is formed in the outer wall of the sampling box 1, the clamping groove 402 is formed in the inner wall of the sampling box 1, the filter screen frame 403 is slidably connected to the inner wall of the fixing groove 401, the filter screen frame 403 is fixedly connected to the filter screen 404, the sampling box 1 forms a sliding structure with the filter screen frame 403 through the fixing groove 401, the filter screen frame 403 passes through the fixed slot 401 and stretches into the clamping slot 402 to be connected, the connection effect between the sampling box 1 and the fixed slot 401 and the filter screen frame 403 is enhanced, the filter screen frame 403 can be well inserted into the sampling box 1, people can conveniently and rapidly install and pull out the filter screen frame, the shape and the size of the inner wall of the filter screen frame 403 are matched with those of the outer wall of the filter screen 404, the inner wall of the filter screen frame 403 is attached to the outer wall of the filter screen 404, the connection effect between the filter screen frame 403 and the filter screen 404 is enhanced, the filter screen 404 can be well installed on the filter screen frame 403, the outer wall of the filter screen frame 403 is fixedly connected with the installation handle 405, the outer wall of the filter screen frame 403 is provided with the bolt hole 406, the outer wall of the sampling box 1 is provided with the fastening bolt 407, the sampling box 1 and the filter screen frame 403 form a fixed structure through the fastening bolt 407, one end of the fastening bolt 407 stretches into the sampling box 1 to be connected with the bolt hole 406, the connection effect between sampling box 1 and fastening bolt 407 and filter screen frame 403 has been strengthened, can be with filter screen frame 403 fine fix, through being provided with filter screen 404, can block the particulate matter in the air, make in the particulate matter can fine drop collecting box 302, when filter screen 404 is blockked up by the particulate matter and need be cleared up, can dismantle fastening bolt 407, take out filter screen frame 403 through installing handle 405, clear up filter screen 404, the people of being convenient for clear up filter screen 404.
Working principle: when the rapid sampling device for the particulate matters in the air is used, firstly, a mobile power supply beside the exhaust fan 5 supplies power for the rapid sampling device, an operator can draw out the external air by starting the exhaust fan 5, the external air enters the sampling box 1 through the first ventilation net 2, the particulate matters in the air are effectively blocked by the filter net 404 when the external air passes through the filter net 404, fall into the collecting box 304 after falling into the collecting box 302, the filtered air is discharged through the second ventilation net 6, and large-scale impurities such as leaves floating in the air can be prevented from entering the sampling box 1 through the first ventilation net 2 and the second ventilation net 6, and can also be prevented from entering the sampling box 1 by birds, when people need to take out the collected particulate matters, the fixing screw 307 can be rotated and detached by pulling the fixing handle 305, the fixed handle 305 moves to drive the collecting box 304 to move, the collecting box 304 can be pulled out, the particles in the collecting box 304 are taken out, the structure is simple and convenient to use, people can take the particles more conveniently, after taking out the particles, people slide the collecting box 304 into the collecting box 302 again, the collecting box 304 is prevented from falling through the fixed screw 307, when the filter screen 404 is blocked by the particles and needs to be cleaned, the fastening bolt 407 can be detached, the filter screen frame 403 is taken out through the mounting handle 405, the filter screen frame 403 is moved to drive the filter screen 404 to move, the filter screen frame 404 can be cleaned after the filter screen frame 403 is pulled out, people can clean the filter screen 404 conveniently, after cleaning the filter screen 404, people insert the filter screen frame 403 into the clamping groove 402, the filter screen frame 403 is fixed in the sampling box 1 through the fastening bolt 407, and all the work is completed, what is not described in detail in this specification is prior art known to those skilled in the art.
The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.
Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a quick sampling device of particulate matter in air, includes sampling box (1), its characterized in that: the bottom of the sampling box (1) is provided with a collecting assembly (3), and a filter screen assembly (4) is arranged in the sampling box (1);
the collecting assembly (3) comprises a mounting groove (301), a collecting box (302) is fixedly connected to the inner wall of the mounting groove (301), a sliding groove (303) is formed in the outer wall of the collecting box (302), a collecting box (304) is slidably connected to the inner wall of the sliding groove (303), a fixing handle (305) is fixedly connected to the outer wall of the collecting box (304), a threaded hole (306) is formed in the outer wall of the collecting box (304), and a fixing screw (307) is arranged on the outer wall of the collecting box (302);
the filter screen subassembly (4) is including fixed slot (401), draw-in groove (402) have been seted up to the inner wall of sampling box (1), the inner wall sliding connection of fixed slot (401) has filter screen frame (403), and the inner wall fixedly connected with filter screen (404) of filter screen frame (403), the outer wall fixedly connected with installation handle (405) of filter screen frame (403), bolt hole (406) have been seted up to the outer wall of filter screen frame (403), the outer wall of sampling box (1) is provided with fastening bolt (407).
2. The rapid sampling device for particulate matter in air of claim 1, wherein: the inner wall fixedly connected with first ventilation net (2) of sampling case (1), air exhauster (5) are installed to the inner wall of sampling case (1), the inner wall fixedly connected with second ventilation net (6) of sampling case (1).
3. The rapid sampling device for particulate matter in air of claim 1, wherein: the shape and the size of the inner wall of the mounting groove (301) are matched with those of the outer wall of the collecting box (302), and the inner wall of the mounting groove (301) is attached to the outer wall of the collecting box (302).
4. The rapid sampling device for particulate matter in air of claim 1, wherein: the collecting box (302) and the collecting box (304) form a sliding structure through the sliding groove (303), and one end of the collecting box (304) extends into the sliding groove (303) to be connected.
5. The rapid sampling device for particulate matter in air of claim 1, wherein: the collecting box (302) and the collecting box (304) form a fixed structure through the fixing screw (307), and one end of the fixing screw (307) stretches into the collecting box (302) to be connected with the threaded hole (306).
6. The rapid sampling device for particulate matter in air of claim 1, wherein: the sampling box (1) and the filter screen frame (403) form a sliding structure through the fixing groove (401), and the filter screen frame (403) penetrates through the fixing groove (401) and stretches into the clamping groove (402) to be connected.
7. The rapid sampling device for particulate matter in air of claim 1, wherein: the shape and the size of the inner wall of the filter screen frame (403) are matched with those of the outer wall of the filter screen (404), and the inner wall of the filter screen frame (403) is attached to the outer wall of the filter screen (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321390905.5U CN219977906U (en) | 2023-05-30 | 2023-05-30 | Quick sampling device of particulate matter in air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321390905.5U CN219977906U (en) | 2023-05-30 | 2023-05-30 | Quick sampling device of particulate matter in air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977906U true CN219977906U (en) | 2023-11-07 |
Family
ID=88591851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321390905.5U Active CN219977906U (en) | 2023-05-30 | 2023-05-30 | Quick sampling device of particulate matter in air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977906U (en) |
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2023
- 2023-05-30 CN CN202321390905.5U patent/CN219977906U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rapid sampling device for particulate matter in the air Granted publication date: 20231107 Pledgee: Bank of Hankou Limited by Share Ltd. Financial Services Center Pledgor: WUHAN HUAZHENG ENVIRONMENTAL TESTING TECHNOLOGY Co.,Ltd. Registration number: Y2024980024671 |