CN220794766U - Sampling equipment for detecting atmospheric pollution - Google Patents
Sampling equipment for detecting atmospheric pollution Download PDFInfo
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- CN220794766U CN220794766U CN202322500362.4U CN202322500362U CN220794766U CN 220794766 U CN220794766 U CN 220794766U CN 202322500362 U CN202322500362 U CN 202322500362U CN 220794766 U CN220794766 U CN 220794766U
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- 238000005070 sampling Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of gas detection, in particular to sampling equipment for detecting atmospheric pollution, which comprises a cylinder, wherein the bottom end of the cylinder is provided with a base, the outer wall of the cylinder is rotationally connected with a supporting seat through a pin shaft seat, the bottom of the side wall of the cylinder is provided with a connecting seat, and the top end of the connecting seat is provided with a thread seat; the upper end and the lower end of the collector are respectively provided with a valve, and the bottom valves are in threaded matching connection with the threaded seat; the cylinder internal thread connection has the lead screw, the lead screw top is equipped with the roof, roof top left side is equipped with casing one, casing one top left side is equipped with the filter screen, roof top right side is equipped with casing two. The utility model does not need electric driving, can effectively reduce the probability of failure of the device, is more beneficial to outdoor gas sampling operation, increases the convenience and practicality of the gas sampling device, and meets the actual gas detection requirement.
Description
Technical Field
The utility model relates to the technical field of gas detection, in particular to sampling equipment for detecting atmospheric pollution.
Background
When the concentration of the detected component in the atmosphere is high or the analysis method is sensitive, a direct sampling method is adopted, and a common sampling container comprises a syringe, a plastic bag, a plurality of fixed containers and the like, and the detected instantaneous concentration or the average concentration in a short time of the pollutant in the atmosphere is detected; when the concentration of the detected component in the atmosphere is low, a concentration sampling method is adopted, including a solution absorption method, a packed small column sampling method, a low-temperature condensation method and a filter material sampling method, and the average concentration of pollutants in the atmosphere in the sampling time is measured by the method. The atmospheric sampling is to select a proper sampling mode according to the purpose of sampling and the site condition, so as to ensure that the collected sample is representative.
The existing atmospheric sampling equipment also has certain technical problems when in use: the sampling equipment in the prior art is difficult to sample and collect gases with different heights, the sampling height is fixed, the use is limited, the existing gas sampling equipment is used for realizing the collection of the gases by utilizing electric power, the electric equipment is complex in structure and high in cost, faults occur easily in the daily use process, and the use of a user is influenced, so that the sampling equipment for detecting the atmospheric pollution is provided based on the technical problem.
Disclosure of utility model
The utility model aims to solve the problems, and designs sampling equipment for detecting atmospheric pollution.
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
The sampling equipment for detecting atmospheric pollution comprises a cylinder, wherein the bottom end of the cylinder is provided with a base, the outer wall of the cylinder is rotatably connected with a supporting seat through a pin shaft seat, the bottom of the side wall of the cylinder is provided with a connecting seat, and the top end of the connecting seat is provided with a thread seat;
The upper end and the lower end of the collector are respectively provided with a valve, and the bottom valves are in threaded matching connection with the threaded seat;
The cylinder internal thread connection has the lead screw, the lead screw top is equipped with the roof, roof top left side is equipped with casing one, casing one top left side is equipped with the filter screen, roof top right side is equipped with casing two, the roof rotates through sealed bearing in the casing two and is connected with the round bar, the round bar top extends outside the casing, and is equipped with the fan, the bottom of round bar is equipped with the plectane, the bottom of plectane is connected with the connecting rod through the round pin axle rotation, the left side end of connecting rod extends into in the filter screen, and rotates through the round pin axle and be connected with the connecting plate, the left side end of connecting plate is equipped with the baffle through the slide bar, the outer wall activity of slide bar has cup jointed the rubber pad, all run through on the outer wall of connecting plate and rubber pad and seted up the through-hole.
Further, the outer ring of the sealing bearing is fixedly connected with the inner wall of the second shell through a bearing seat, and the inner ring of the sealing bearing is connected with the outer wall of the round rod in interference fit.
Further, the number of through holes formed in the outer walls of the connecting plate and the rubber pad is equal, and the positions of the through holes are opposite.
Further, the filter screen, the first shell, the screw rod, the cylinder, the connecting seat, the threaded seat, the collector and the valve are communicated.
The beneficial effects of the utility model are as follows:
According to the utility model, the fan blades are blown by external wind, the fan blades drive the air suction mechanism to convey the gas into the collector, the fan blades and the air suction mechanism are both fixed at the top ends of the telescopic rods, the height of the air suction mechanism can be adjusted through the telescopic rods, and the gas with different heights can be sampled and operated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a cross-sectional view of the housing of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. Cylinder, 2, base, 3, pin shaft seat, 4, supporting seat, 5, connecting seat, 6, screw seat, 7, collector, 8, valve, 9, lead screw, 10, roof, 11, first shell, 12, filter screen, 13, second shell, 14, round bar, 15, fan, 16, circular plate, 17, connecting rod, 18, connecting plate, 19, slide bar, 20, baffle, 21, rubber pad.
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, a sampling device for detecting atmospheric pollution comprises a cylinder 1, wherein the bottom end of the cylinder 1 is provided with a base 2, the outer wall of the cylinder 1 is rotatably connected with a supporting seat 4 through a pin shaft seat 3, the bottom of the side wall of the cylinder 1 is provided with a connecting seat 5, and the top end of the connecting seat 5 is provided with a thread seat 6; the upper end and the lower end of the collector 7 are respectively provided with a valve 8, and the valve 8 at the bottom end is in threaded matching connection with the threaded seat 6; the cylinder 1 is internally threaded with a lead screw 9, the top end of the lead screw 9 is provided with a top plate 10, the left side of the top end of the top plate 10 is provided with a first shell 11, the left side of the top end of the first shell 11 is provided with a filter screen 12, the right side of the top end of the top plate 10 is provided with a second shell 13, the inner top wall of the second shell 13 is rotationally connected with a round rod 14 through a sealing bearing, the top end of the round rod 14 extends out of the second shell 13 and is provided with a fan 15, the bottom end of the round rod 14 is provided with a circular plate 16, the bottom end of the circular plate 16 is rotationally connected with a connecting rod 17 through a pin shaft, the left side end of the connecting rod 17 extends into the filter screen 12, and is rotationally connected with a connecting plate 18 through a pin shaft, the left side end of the connecting plate 18 is provided with a baffle 20 through a slide bar 19, the outer walls of the slide bar 19 are movably sleeved with a rubber pad 21, and through holes are all formed in a penetrating manner on the outer wall of the connecting plate 18 and the rubber pad 21.
Further, the outer ring of the sealing bearing is fixedly connected with the inner wall of the second shell 13 through the bearing seat, the inner ring of the sealing bearing is connected with the outer wall of the round rod 14 in an interference fit manner, the sealing bearing is used for sealing the second shell 13, the round rod 14 is fixedly used, gas is prevented from flowing out through a gap in the second shell 13, and the round rod 14 is convenient to rotate through the sealing bearing.
Further, the number of through holes formed in the outer walls of the connecting plate 18 and the rubber pad 21 is equal, and the positions of the through holes are opposite, so that gas can be conveniently supplemented to the right side of the first shell 11 through the through holes.
Further, the filter screen 12, the first shell 11, the screw rod 9, the cylinder 1, the connecting seat 5, the threaded seat 6, the collector 7 and the valve 8 are communicated, the fan 15 and the round rod 14 are blown by wind to rotate, the round rod 14 drives the round plate 16 to rotate, the connecting rod 17, the connecting plate 18, the slide rod 19, the baffle 20 and the rubber pad 21 are driven to reciprocate left and right when the round plate 16 drives the connecting rod 17 to move from left to right, the rubber pad 21 compresses air on the right side of the first shell 11 to enable the air to enter the screw rod 9, when the round plate 16 drives the connecting rod 17 to move from right to left, air is filtered by the filter screen 12 and then is supplemented into the first shell 11, external air is continuously sucked into the first shell 11 through the continuous rotation of the round plate 16 and compressed into the screw rod 9, and the air enters the collector 7 through the connecting seat 5, the threaded seat 6 and the valve 8.
The detailed connection means are known in the art, all parts in the scheme are universal standard parts or parts known by the person skilled in the art, and the structures and principles of the parts are known by the person skilled in the art through technical manuals or through routine experimental methods.
One specific application of this embodiment is:
When the gas sampling device is used, the collector 7 is rotationally fixed on the threaded seat 6 through the valve 8, the screw rod 9 is rotated, the screw rod 9 is driven to drive the top plate 10, the first shell 11, the second shell 13, the round rod 14, the fan 15 and other structures to move upwards or downwards, and the height of the first shell 11 is adjusted according to the gas sampling requirement;
When the circular plate 16 rotates, the connecting rod 17, the connecting plate 18, the sliding rod 19, the baffle 20 and the rubber pad 21 are driven to reciprocate left and right, when the circular plate 16 drives the connecting rod 17 to move from left to right, the rubber pad 21 compresses air on the right side of the first shell 11 to enable the air to enter the screw rod 9, when the circular plate 16 drives the connecting rod 17 to move from right to left, the air is filtered by the filter screen 12 and then is supplemented into the first shell 11, and external air is continuously sucked into the first shell 11 and compressed into the screw rod 9 through the connecting seat 5, the thread seat 6 and the valve 8, and then enters the collector 7;
Opening two valves 8, firstly discharging the gas in the device, filling the device with the air at the height of the first shell 11, closing the valve 8 at the top, compressing the gas into the collector 7, closing the valve 8 at the bottom, rotating the collector 7 to take off the valve from the screw seat 6, completing the gas sampling operation, when the gas with different heights needs to be sampled, adjusting the height of the first shell 11, fixing the empty collector 7 on the screw seat 6, and repeating the operation.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by one of ordinary skill in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (4)
1. A sampling device for detecting atmospheric pollution, characterized in that: comprising
The novel self-locking device comprises a cylinder (1), wherein a base (2) is arranged at the bottom end of the cylinder (1), a supporting seat (4) is rotatably connected to the outer wall of the cylinder (1) through a pin shaft seat (3), a connecting seat (5) is arranged at the bottom of the side wall of the cylinder (1), and a thread seat (6) is arranged at the top end of the connecting seat (5);
the upper end and the lower end of the collector (7) are respectively provided with a valve (8), and the bottom valve (8) is in threaded matching connection with the threaded seat (6);
The utility model discloses a cylinder (1) internal thread connection has lead screw (9), lead screw (9) top is equipped with roof (10), roof (10) top left side is equipped with casing one (11), casing one (11) top left side is equipped with filter screen (12), roof (10) top right side is equipped with casing two (13), the roof is connected with round bar (14) through sealed bearing rotation in casing two (13), outside round bar (14) top extends casing two (13), and is equipped with fan (15), the bottom of round bar (14) is equipped with plectane (16), the bottom of plectane (16) is connected with connecting rod (17) through the round pin hub rotation, in the left side end of connecting rod (17) extends into filter screen (12), and is connected with connecting plate (18) through the round pin hub rotation, the left side end of connecting plate (18) is equipped with baffle (20) through slide bar (19), rubber pad (21) have all been seted up through the through-hole on the outer wall of connecting plate (18) and rubber pad (21).
2. A sampling device for detecting atmospheric pollution according to claim 1, wherein: the outer ring of the sealing bearing is fixedly connected with the inner wall of the second shell (13) through a bearing seat, and the inner ring of the sealing bearing is connected with the outer wall of the round rod (14) in interference fit.
3. A sampling device for detecting atmospheric pollution according to claim 1, wherein: the number of through holes formed in the outer walls of the connecting plate (18) and the rubber pad (21) is equal, and the positions of the through holes are opposite.
4. A sampling device for detecting atmospheric pollution according to claim 1, wherein: the filter screen (12), the first shell (11), the screw rod (9), the cylinder (1), the connecting seat (5), the thread seat (6), the collector (7) and the valve (8) are communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322500362.4U CN220794766U (en) | 2023-09-14 | 2023-09-14 | Sampling equipment for detecting atmospheric pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322500362.4U CN220794766U (en) | 2023-09-14 | 2023-09-14 | Sampling equipment for detecting atmospheric pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220794766U true CN220794766U (en) | 2024-04-16 |
Family
ID=90634375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322500362.4U Active CN220794766U (en) | 2023-09-14 | 2023-09-14 | Sampling equipment for detecting atmospheric pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220794766U (en) |
-
2023
- 2023-09-14 CN CN202322500362.4U patent/CN220794766U/en active Active
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