CN211927429U - Exhaust pollution source discharge port filter membrane sampling device - Google Patents
Exhaust pollution source discharge port filter membrane sampling device Download PDFInfo
- Publication number
- CN211927429U CN211927429U CN202020706042.8U CN202020706042U CN211927429U CN 211927429 U CN211927429 U CN 211927429U CN 202020706042 U CN202020706042 U CN 202020706042U CN 211927429 U CN211927429 U CN 211927429U
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- China
- Prior art keywords
- filter membrane
- sampling device
- threaded rod
- pollution source
- connecting piece
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- 239000012528 membrane Substances 0.000 title claims abstract description 23
- 238000005070 sampling Methods 0.000 title claims abstract description 19
- 239000002912 waste gas Substances 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 abstract description 2
- 241000282414 Homo sapiens Species 0.000 description 5
- 239000002440 industrial waste Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a waste gas pollution source discharge port filter membrane sampling device, which comprises a mounting plate, a threaded rod penetrating through the mounting plate and at least three telescopic components; the telescoping assembly comprises: the gear is meshed and connected to the outer side of the threaded rod, a central shaft is embedded in the gear, and the central shaft is rotatably connected with the mounting plate through a rotating shaft; the connecting piece is fixedly connected with the central shaft; the fixed pipe is fixedly connected with the connecting piece, one end of the fixed pipe, far away from the connecting piece, is fixedly connected with a first elastic piece, and a clamping block is arranged at the movable end of the first elastic piece. The utility model discloses in, set up threaded rod and gear on the mounting panel, set up flexible subassembly on the gear, rotatory threaded rod during the use through the meshing of threaded rod and gear, drives the gear rotation, and then makes flexible subassembly rotate to flexible messenger's device through flexible subassembly can the row's of the multiple pipe diameter of adaptation mouth.
Description
Technical Field
The utility model relates to a waste gas sampling device technical field especially relates to a mouth filter membrane sampling device is arranged to exhaust pollution source.
Background
Most of waste gas in the environment is industrial waste gas which is an important source of atmospheric pollutants, a large amount of industrial waste gas is discharged into the atmosphere, the quality of the atmospheric environment is inevitably reduced, serious harm is brought to the health of a human body, huge loss is caused to national economy, after harmful substances in the industrial waste gas enter the human body through a respiratory tract and skin, temporary and permanent pathological changes can be caused to systems and organs such as respiration, blood, liver and the like of the human body, and particularly, benzopyrene polycyclic aromatic hydrocarbons can directly cause carcinogenesis of the human body to draw high attention to human beings.
Whether up to standard in order to detect exhaust emission, often can set up sampling device and arrange the waste gas in the mouth to the pollution source and sample, the filter membrane sample uses the filter membrane to cover in waste gas row mouth department, makes the large particulate matter in the waste gas adhere to on the filter membrane, and the usable filter membrane size of conventional filter membrane sampling device is fixed, so can't use on the waste gas row mouth of different pipe diameters.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, the invention provides a sampling device of an exhaust port filter membrane of an exhaust pollution source.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sampling device of a filter membrane at an exhaust port of an exhaust pollution source comprises a mounting plate, a threaded rod penetrating through the mounting plate and at least three telescopic assemblies;
the telescoping assembly comprises:
the gear is meshed and connected to the outer side of the threaded rod, a central shaft is embedded in the gear, and the central shaft is rotatably connected with the mounting plate through a rotating shaft;
the connecting piece is fixedly connected with the central shaft;
the fixed pipe is fixedly connected with the connecting piece, one end of the fixed pipe, which is far away from the connecting piece, is fixedly connected with a first elastic piece, and the movable end of the first elastic piece is provided with a clamping block;
the telescopic pipe is positioned inside the fixed pipe and slides along the axial direction of the fixed pipe, a plurality of annular clamping grooves are formed in the outer surface wall of the telescopic pipe at equal intervals, and a clamping assembly is arranged at one end, away from the fixed pipe, of the telescopic pipe;
the clamping assembly includes:
the limiting plate is of a side U-shaped structure and is rotatably connected with the telescopic pipe, a sliding rod penetrates through the limiting plate, and two ends of the sliding rod are respectively provided with a clamping plate and a pull ring;
and the second elastic piece is positioned on the outer side of the sliding rod.
As a further description of the above technical solution:
and one end of the threaded rod is provided with a handle for holding.
As a further description of the above technical solution:
the connecting piece is of a U-shaped structure, and the connecting piece is fixedly connected with the two axial ends of the central shaft.
As a further description of the above technical solution:
the inner surface wall of the fixed pipe is attached to the outer surface wall of the telescopic pipe.
As a further description of the above technical solution:
the clamping groove and the clamping block are both arc-shaped structures, and the clamping block can be embedded in the clamping groove.
As a further description of the above technical solution:
the first elastic piece is a metal elastic piece and is provided with at least two.
As a further description of the above technical solution:
the second elastic piece is a spiral spring, and two ends of the second elastic piece are fixedly connected with the limiting plate and the clamping plate respectively.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, set up threaded rod and gear on the mounting panel, set up flexible subassembly on the gear, rotatory threaded rod during the use through the meshing of threaded rod and gear, drives the gear rotation, and then makes flexible subassembly rotate to flexible messenger's device through flexible subassembly can the row's of the multiple pipe diameter of adaptation mouth.
2. The utility model discloses in, the flexible end of flexible subassembly has set up the centre gripping subassembly, and the centre gripping subassembly is cliied the row's mouth wall through the elastic action cooperation limiting plate of second elastic component to play the effect of fixing device and filter membrane.
Drawings
Fig. 1 is a schematic view illustrating an overall structure of a sampling device according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a connection structure of a threaded rod and a gear according to an embodiment of the present invention;
fig. 3 shows a schematic diagram of an inner side structure of a limiting plate according to an embodiment of the present invention;
fig. 4 shows an enlarged schematic structural diagram of a point a provided according to an embodiment of the present invention.
Illustration of the drawings:
1. mounting a plate; 2. a threaded rod; 3. a gear; 4. a central shaft; 5. a connecting member; 6. a fixed tube; 7. a telescopic pipe; 8. a card slot; 9. a first elastic member; 10. a clamping block; 11. a limiting plate; 12. a slide bar; 13. a second elastic member; 14. a splint; 15. and (4) a pull ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a sampling device of a filter membrane at an exhaust port of an exhaust pollution source comprises a mounting plate 1, a threaded rod 2 penetrating through the mounting plate 1 and at least three telescopic assemblies;
the telescoping assembly comprises: the gear 3 is meshed and connected to the outer side of the threaded rod 2, a central shaft 4 is embedded in the gear 3, and the central shaft 4 is rotatably connected with the mounting plate 1 through a rotating shaft; the connecting piece 5 is fixedly connected with the central shaft 4; the fixing tube 6 is fixedly connected with the connecting piece 5, one end of the fixing tube 6, which is far away from the connecting piece 5, is fixedly connected with a first elastic piece 9, and a clamping block 10 is arranged at the movable end of the first elastic piece 9; the telescopic pipe 7 is positioned inside the fixed pipe 6 and slides along the axial direction of the fixed pipe 6, a plurality of annular clamping grooves 8 are formed in the outer surface wall of the telescopic pipe 7 at equal intervals, and a clamping assembly is arranged at one end, far away from the fixed pipe 6, of the telescopic pipe 7;
the threaded rod 2 rotates to drive the gears 3 on the outer side to synchronously rotate, further the fixed pipe 6 rotates around the axis of the central shaft 4, and then the telescopic pipe 7 is moved along the axial direction of the fixed pipe 6 to move the clamping assembly to the pipe wall of the discharge opening;
the clamping assembly includes: the limiting plate 11 is of a side U-shaped structure and is rotatably connected with the telescopic pipe 7, a sliding rod 12 penetrates through the limiting plate 11, and a clamping plate 14 and a pull ring 15 are respectively arranged at two ends of the sliding rod 12; and the second elastic element 13, the second elastic element 13 is positioned outside the sliding rod 12, and the second elastic element 13 can push the clamping plate 14 to move towards the limiting plate 11, so that the tube wall of the discharge port is clamped.
Specifically, as shown in fig. 2, a handle for holding is arranged at one end of the threaded rod 2, and the handle conveniently drives the threaded rod 2 to rotate.
Specifically, as shown in fig. 1, the connecting member 5 is a "U" shaped structure, and the connecting member 5 is fixedly connected to both axial ends of the central shaft 4, so as to improve the stability of connection between the two.
Specifically, as shown in fig. 4, the inner surface wall of the fixed pipe 6 is attached to the outer surface wall of the telescopic pipe 7, the clamping groove 8 and the clamping block 10 are both arc-shaped structures, the clamping block 10 can be embedded in the clamping groove 8, the first elastic piece 9 is a metal elastic piece, at least two elastic pieces are arranged, the telescopic pipe 7 slides, the telescopic pipe 7 is fixed through the embedding relation between the clamping groove 8 and the clamping block 10, the arc-shaped structures are easier to separate from the clamping groove 8 from the clamping block 10, and the metal elastic pieces are simple in structure and stable in performance.
Specifically, as shown in fig. 3, the second elastic member 13 is a spiral spring, and two ends of the second elastic member are respectively and fixedly connected to the limiting plate 11 and the clamping plate 14, when the device is used, the pull ring 15 is pulled to move the sliding rod 12, so that the clamping plate 14 compresses the second elastic member 13, the limiting plate 11 is clamped on the pipe wall of the exhaust gas discharge opening, then the pull ring 15 is loosened, the second elastic member 13 releases elastic force to drive the clamping plate 14 to clamp the pipe wall of the discharge opening, and therefore the device is fixed at the discharge opening through a plurality of clamping assemblies.
The method comprises the following steps: firstly, a sampling person covers a filter membrane on the end face of an opening, holds a handle to rotate a threaded rod 2, the threaded rod 2 drives a plurality of gears 3 to synchronously rotate, further enables a fixed pipe 6 to rotate around a central shaft 4 to be parallel to an installation plate 1, and then slides a telescopic pipe 7 along the axial direction of the fixed pipe 6, so that the lengths of the fixed pipe 6 and the telescopic pipe 7 are matched with the pipe diameter of the opening; then the pull ring 15 is pulled to move along the axial direction of the slide rod 12 to compress the second elastic part 13, the limiting plate 11 is abutted against the tube wall of the discharge port, then the pull ring 15 is loosened, the second elastic part 13 pushes the clamping plate 14 to clamp the tube wall of the discharge port and the filter membrane between the limiting plate 11 and the clamping plate 14, the filter membrane can be fixed on the end surface of the discharge port through the steps, and the device is adaptive to discharge ports with various tube diameters.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A waste gas pollution source discharge port filter membrane sampling device is characterized by comprising a mounting plate (1), a threaded rod (2) penetrating through the mounting plate (1) and at least three telescopic assemblies;
the telescoping assembly comprises:
the gear (3) is meshed and connected to the outer side of the threaded rod (2), a central shaft (4) is embedded in the gear (3), and the central shaft (4) is rotatably connected with the mounting plate (1) through a rotating shaft;
the connecting piece (5), the said connecting piece (5) is fixedly connected with central axis (4);
the fixing pipe (6) is fixedly connected with the connecting piece (5), one end of the fixing pipe (6) far away from the connecting piece (5) is fixedly connected with a first elastic piece (9), and a clamping block (10) is arranged at the movable end of the first elastic piece (9);
the telescopic pipe (7) is positioned inside the fixed pipe (6) and slides along the axial direction of the fixed pipe (6), a plurality of annular clamping grooves (8) are formed in the outer surface wall of the telescopic pipe (7) at equal intervals, and a clamping assembly is arranged at one end, far away from the fixed pipe (6), of the telescopic pipe (7);
the clamping assembly includes:
the limiting plate (11) is of a side U-shaped structure and is rotatably connected with the telescopic pipe (7), a sliding rod (12) penetrates through the limiting plate (11), and a clamping plate (14) and a pull ring (15) are respectively arranged at two ends of the sliding rod (12);
a second elastic member (13), said second elastic member (13) being located outside the slide bar (12).
2. The exhaust gas pollution source outlet filter membrane sampling device according to claim 1, wherein one end of the threaded rod (2) is provided with a handle for holding.
3. The exhaust gas pollution source outlet filter membrane sampling device according to claim 1, wherein the connecting piece (5) is of a U-shaped structure, and the connecting piece (5) is fixedly connected with both axial ends of the central shaft (4).
4. The exhaust gas pollution source outlet filter membrane sampling device according to claim 1, wherein the inner surface wall of the fixed pipe (6) is attached to the outer surface wall of the telescopic pipe (7).
5. The exhaust gas pollution source outlet filter membrane sampling device according to claim 1, wherein the clamping groove (8) and the clamping block (10) are both arc-shaped structures, and the clamping block (10) can be embedded in the clamping groove (8).
6. The exhaust gas pollution source outlet filter membrane sampling device according to claim 1, wherein the first elastic member (9) is a metal elastic sheet, and at least two elastic members are provided.
7. The exhaust gas pollution source outlet filter membrane sampling device according to claim 1, wherein the second elastic member (13) is a coil spring, and both ends of the second elastic member are fixedly connected with the limiting plate (11) and the clamping plate (14), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020706042.8U CN211927429U (en) | 2020-04-30 | 2020-04-30 | Exhaust pollution source discharge port filter membrane sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020706042.8U CN211927429U (en) | 2020-04-30 | 2020-04-30 | Exhaust pollution source discharge port filter membrane sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211927429U true CN211927429U (en) | 2020-11-13 |
Family
ID=73327786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020706042.8U Expired - Fee Related CN211927429U (en) | 2020-04-30 | 2020-04-30 | Exhaust pollution source discharge port filter membrane sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211927429U (en) |
-
2020
- 2020-04-30 CN CN202020706042.8U patent/CN211927429U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 |