CN211825284U - Medium-flow ambient air particulate matter sampler - Google Patents
Medium-flow ambient air particulate matter sampler Download PDFInfo
- Publication number
- CN211825284U CN211825284U CN202020535482.1U CN202020535482U CN211825284U CN 211825284 U CN211825284 U CN 211825284U CN 202020535482 U CN202020535482 U CN 202020535482U CN 211825284 U CN211825284 U CN 211825284U
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- China
- Prior art keywords
- fixedly connected
- barrel
- fan
- ambient air
- particulate matter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000013618 particulate matter Substances 0.000 title claims abstract description 23
- 239000012080 ambient air Substances 0.000 title claims abstract description 22
- 239000003570 air Substances 0.000 claims abstract description 51
- 238000005070 sampling Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 210000002445 nipple Anatomy 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Abstract
The utility model discloses a well flow ambient air particulate matter sample thief, the novel nipple rectifier comprises a cylindrical shel, establish to the toper structure the bottom of barrel, the bottom threaded connection of barrel has the sampling bottle, two landing legs of the equal fixedly connected with in both sides bottom of barrel, the top fixedly connected with apron of barrel, be equipped with the fan in the barrel, and the top of fan extends to the top of apron, and the cover is fixed to overlap and is established on the fan to the fixed cover of apron, the thin filter screen of bottom fixedly connected with of fan, be equipped with the standpipe in the barrel, and the top of standpipe extends to the top of apron and communicates and is fixed with the expansion. The utility model relates to a rationally, be convenient for adjust the gradient and the orientation of wind-collecting cover according to actual need, reach the direction that changes the air intake, can be suitable for multiple environment place, be convenient for filter the particulate matter in the air and shelter from and concentrate and collect in the sampling bottle, also can take off the sampling bottle fast, be favorable to using.
Description
Technical Field
The utility model relates to an air particulate matter sample thief technical field especially relates to a medium flow ambient air particulate matter sample thief.
Background
With the acceleration of the industrialization process and the development of national economy, the influence of air particles in the environment on the atmospheric environment is larger and larger, so that the effective monitoring of the particles in the atmosphere is one of the key points of the environmental protection work; the environmental monitoring department usually uses the sample thief to gather particulate matter in the ambient air, wherein the main principle that the sample thief was gathered is: when a certain volume of air passes through a filter membrane or a fine filter screen with known mass at a constant speed, the particulate matters suspended in the air are retained on the filter membrane or the fine filter screen, so that the aim of gradually collecting the particulate matters in the air is fulfilled, and then the particulate matters are taken out for detection.
The existing medium-flow ambient air particulate sampler is mostly inconvenient to adjust the direction of an air suction inlet according to actual needs, the air suction direction of the existing medium-flow ambient air particulate sampler is mostly in the upper or left or right direction, and the direction of the air suction inlet needs to be correspondingly changed when the existing medium-flow ambient air particulate sampler is used in an air tunnel and a small air circulation space.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a medium-flow ambient air particulate matter sampler.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a medium-flow ambient air particulate matter sampler comprises a barrel body, wherein the bottom of the barrel body is of a conical structure, a sampling bottle is in threaded connection with the bottom of the barrel body, two supporting legs are fixedly connected with the bottoms of the two sides of the barrel body, a cover plate is fixedly connected with the top of the barrel body, a fan is arranged in the barrel body, the top of the fan extends to the upper portion of the cover plate, the cover plate is fixedly sleeved on the fan, a fine filter screen is fixedly connected with the bottom of the fan, a vertical pipe is arranged in the barrel body, the top end of the vertical pipe extends to the upper portion of the cover plate and is communicated with and fixed with a telescopic hose, the cover plate is fixedly sleeved on the vertical pipe, the top end of the telescopic hose is communicated with and fixed with a wind collecting cover, supporting rods are fixedly connected with the front side and the rear side of the vertical pipe respectively, circular shafts are fixedly connected with the, fixed cover on a circle axle that lies in the place ahead in two circle axles is equipped with the sprocket, and the sprocket is located the rectangular channel, equal slidable mounting has the pinion rack on the both sides inner wall of rectangular channel, and the same chain of top fixedly connected with of two pinion racks, the chain is connected with the sprocket drive, rotate on the rear side inner wall of rectangular channel and install the gear that is located between two pinion racks, two pinion racks all mesh with the gear mutually, rotate on one side inner wall of rectangular channel and install the screw rod, and a pinion rack thread bush in two pinion racks is established on the screw rod, and the bottom fixed mounting of a bracing piece that lies in the place ahead has driving motor, and driving motor's output shaft extend to the rectangular channel and with the bottom fixed connection of screw rod.
Preferably, the top of the cover plate is provided with a first round hole and a second round hole, the side wall of the first round hole is fixedly mounted on the outer side of the fan, the side wall of the second round hole is fixedly connected with the outer side of the vertical pipe, and the bottom of the fan is provided with an air inlet.
Preferably, a third circular hole is formed in one side, close to the wind collecting cover, of the support rod, a first bearing is fixedly sleeved in the third circular hole, and the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the corresponding circular shaft.
Preferably, equal fixedly connected with T shape slide rail on the both sides inner wall of rectangular channel, the T shape spout that top and bottom are the opening setting is all seted up to one side that two pinion racks kept away from each other, and T shape spout and the T shape slide rail sliding connection who corresponds.
Preferably, the bottom of one of the two toothed plates is provided with a thread groove, and the thread groove is in threaded connection with the screw rod.
Preferably, a second bearing is fixedly connected to the inner wall of one side of the rectangular groove, and an inner ring of the second bearing is fixedly sleeved with the outer side of the screw rod.
Preferably, a pin shaft is fixedly connected to the inner wall of the rear side of the rectangular groove, a fourth round hole is formed in the front side of the gear, a third bearing is fixedly sleeved in the fourth round hole, and the inner side of an inner ring of the third bearing is fixedly connected with the outer side of the pin shaft.
Preferably, an internal thread is formed at the bottom of the inner side of the cylinder body, an external thread is arranged on the outer side of the bottle opening of the sampling bottle, and the external thread is meshed with the internal thread.
Preferably, one side of one of the two toothed plates, which is close to the other toothed plate, is fixedly connected with two limiting blocks, and the gear is located between the two limiting blocks.
Compared with the prior art, the beneficial effects of the utility model are that:
through the matching of the barrel, the sampling bottle, the fan, the fine filter screen, the vertical pipe, the telescopic hose, the air collecting cover, the support rod, the round shaft, the rectangular groove, the chain wheel, the toothed plate, the chain, the gear and the driving motor, when particles in air are collected, the fan is started to enable the air inlet of the fan to suck the vertical pipe through the barrel, the vertical pipe sucks the air collecting cover through the telescopic hose, outside air is sucked into the barrel through the air collecting cover, the telescopic hose and the vertical pipe in sequence and is sucked and discharged by the fan, the fine filter screen at the bottom of the fan can filter the particles in the air and shield the particles in the barrel, when the fan stops after collection is finished, the particles in the barrel slide downwards to the sampling bottle gradually, when the air collecting cover needs to be adjusted in a leftward rotating mode, the driving motor is started in a forward direction to drive the screw to rotate, the screw can drive one toothed plate to move downwards, and one toothed plate drives the, the pinion rack slides on the T shape slide rail that corresponds, two pinion racks drive the chain and are in transmission state this moment, the chain drives sprocket anticlockwise rotation, the sprocket drives the wind-collecting cover through the round axle that corresponds and makes its tilt to the left, when the wind-collecting cover is adjusted in the right rotation of the same reason, reverse start driving motor, the direction of motion opposite with forward start driving motor of the same reason, can change into and drive the wind-collecting cover and rotate the adjustment right, can change the gradient and the orientation of wind-collecting cover, the realization changes the inspiratory direction to the air.
The utility model relates to a rationally, be convenient for adjust the gradient and the orientation of wind-collecting cover according to actual need, reach the direction that changes the air intake, can be suitable for multiple environment place, be convenient for filter the particulate matter in the air and shelter from and concentrate and collect in the sampling bottle, also can take off the sampling bottle fast, be favorable to using.
Drawings
Fig. 1 is a schematic cross-sectional structural diagram of a medium-flow ambient air particulate sampler provided by the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
fig. 3 is the utility model provides a left side view schematic diagram of air-collecting cover, bracing piece, expansion hose and standpipe connecting piece of well flow ambient air particulate matter sample thief.
In the figure: the device comprises a cylinder body 1, a sampling bottle 2, a fan 3, a fine filter screen 4, a vertical pipe 5, a flexible hose 6, a wind collecting cover 7, a support rod 8, a circular shaft 9, a rectangular groove 10, a chain wheel 11, a toothed plate 12, a chain 13, a gear 14, a driving motor 15 and a screw 16.
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.
Referring to fig. 1-3, a medium-flow ambient air particulate sampler comprises a cylinder 1, wherein the bottom of the cylinder 1 is a conical structure, the bottom of the cylinder 1 is in threaded connection with a sampling bottle 2, the bottoms of the two sides of the cylinder 1 are fixedly connected with two legs, the top of the cylinder 1 is fixedly connected with a cover plate, a fan 3 is arranged in the cylinder 1, the top of the fan 3 extends to the upper part of the cover plate, the cover plate is fixedly sleeved on the fan 3, the bottom of the fan 3 is fixedly connected with a fine filter screen 4, a vertical pipe 5 is arranged in the cylinder 1, the top end of the vertical pipe 5 extends to the upper part of the cover plate and is fixedly communicated with a flexible hose 6, the cover plate is fixedly sleeved on the vertical pipe 5, the top end of the flexible hose 6 is communicated and is fixed with a wind-collecting cover 7, the front side and the rear side of the vertical pipe 5 are fixedly connected with support rods 8, the, a rectangular groove 10 is formed in the front side of one support rod 8 located in front of the two support rods 8, a chain wheel 11 is fixedly sleeved on one circular shaft 9 located in front of the two circular shafts 9, the chain wheel 11 is located in the rectangular groove 10, toothed plates 12 are slidably mounted on the inner walls of the two sides of the rectangular groove 10, the tops of the two toothed plates 12 are fixedly connected with a same chain 13, the chain 13 is in transmission connection with the chain wheel 11, a gear 14 located between the two toothed plates 12 is rotatably mounted on the inner wall of the rear side of the rectangular groove 10, the two toothed plates 12 are both meshed with the gear 14, a screw 16 is rotatably mounted on the inner wall of one side of the rectangular groove 10, one toothed plate 12 of the two toothed plates 12 is sleeved on the screw 16 in a threaded manner, a driving motor 15 is fixedly mounted at the bottom of one support rod 8 located in front, and an output shaft of the driving motor 15 extends into the rectangular groove, the utility model relates to a rationally, be convenient for adjust the gradient and the orientation of wind-collecting cover 7 according to actual need, reach the direction that changes the air intake, can be suitable for multiple environment place, be convenient for filter the particulate matter in the air and shelter from and concentrate and collect in sampling bottle 2, also can take off sampling bottle 2 fast, be favorable to using.
In the utility model, the top of the cover plate is provided with a first round hole and a second round hole, the side wall of the first round hole is fixedly installed with the outer side of the fan 3, the side wall of the second round hole is fixedly connected with the outer side of the vertical pipe 5, the bottom of the fan 3 is an air inlet, one side of the support rod 8 close to the air collecting cover 7 is provided with a third round hole, the third round hole is internally and fixedly sleeved with a first bearing, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of the corresponding round shaft 9, the inner walls at the two sides of the rectangular groove 10 are both fixedly connected with T-shaped slide rails, one side of the two toothed plates 12 far away from each other is provided with a T-shaped slide groove with the top and the bottom both being open, the T-shaped slide groove is slidably connected with the corresponding T-shaped slide rail, the bottom of one toothed plate 12 of the two toothed plates 12 is provided with a thread groove, and the inner ring of the second bearing is fixedly sleeved with the outer side of the screw 16, the inner wall of the rear side of the rectangular groove 10 is fixedly connected with a pin shaft, the front side of the gear 14 is provided with a fourth round hole, the inner side of the fourth round hole is fixedly sleeved with a third bearing, the inner side of the inner ring of the third bearing is fixedly connected with the outer side of the pin shaft, the bottom of the inner side of the cylinder body 1 is provided with an internal thread, the outer side of the bottle mouth of the sampling bottle 2 is provided with an external thread which is meshed with the internal thread, one side of one toothed plate 12 of the two toothed plates 12, which is close to the other toothed plate 12, is fixedly connected with two limit blocks, and the gear 14 is positioned between the two limit blocks. The sampling bottle 2 can be quickly taken down, which is beneficial to use.
The working principle is as follows: when the particulate matter in the air needs to be collected, the fan 3 is started, the air inlet of the fan 3 sucks the interior of the cylinder 1, under the suction force, the cylinder 1 sucks the vertical pipe 5, the vertical pipe 5 sucks the air collecting cover 7 through the flexible hose 6, the air collecting cover 7 sucks the external air, so that the external air sequentially passes through the air collecting cover 7, the flexible hose 6 and the vertical pipe 5 to enter the cylinder 1, the entered air is discharged through the fan 3 under the suction force of the fan 3, the fine filter screen 4 at the bottom of the fan 3 can filter the particulate matter in the discharged air, the fine filter screen 4 can filter and shield the particulate matter in the air in the cylinder 1, when the fan 3 stops after the collection is completed, the particulate matter in the cylinder 1 gradually slides downwards to the sampling bottle 2 under the self gravity, the purpose of collecting the particulate matter in the sampling bottle 2 is realized, the bottle mouth of the sampling bottle 2 is provided with an external thread and is connected with the internal thread at the inner side of the, the sampling bottle 2 is convenient for personnel to rotate and take out for detection;
when the direction of the air suction needs to be changed, the angle of the air collecting cover 7 needs to be adjusted, when the air suction needs to be adjusted in a leftward rotation mode, the forward starting driving motor 15 drives the screw rod 16 to rotate, under the action of the thread groove formed at the bottom of one toothed plate 12, the screw rod 16 can drive one toothed plate 12 to move downward, one toothed plate 12 drives the other toothed plate 12 to move upward through the gear 14 meshed with the toothed plate 12, the toothed plates 12 slide on the corresponding T-shaped slide rails, at the moment, the two toothed plates 12 respectively drive two ends of the chain 13 to move up and down, at the moment, the chain 13 is in a transmission state, the chain 13 drives the chain wheel 11 to rotate in an anticlockwise direction, the chain wheel 11 drives the air collecting cover 7 to rotate leftward through the corresponding circular shaft 9, at the moment, the inlet of the air collecting cover 7 gradually inclines leftward, when the air collecting cover 7 is adjusted in a rightward rotation mode, the reverse starting driving motor 15 is similarly opposite to the movement direction of the forward, the air collecting cover 7 can be driven to rotate rightwards for adjustment, the inclination and the orientation of the air collecting cover 7 can be adjusted according to actual needs, the air suction direction can be changed, and the air collecting device can be suitable for various environment places.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
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 (9)
1. The utility model provides a medium flow ambient air particulate matter sample thief, includes barrel (1), the bottom of barrel (1) is established to the toper structure, and the bottom threaded connection of barrel (1) has sampling bottle (2), and two landing legs of the equal fixedly connected with in both sides bottom of barrel (1), the top fixedly connected with apron of barrel (1), its characterized in that, be equipped with fan (3) in barrel (1), and the top of fan (3) extends to the top of apron, and the apron fixed cover is established on fan (3), and the bottom fixedly connected with fine filter screen (4) of fan (3), be equipped with standpipe (5) in barrel (1), and the top of standpipe (5) extends to the top of apron and communicates and is fixed with expansion hose (6), and the fixed cover of apron is established on standpipe (5), and the top intercommunication of expansion hose (6) is fixed with air-collecting cover (7), the front side and the rear side of the vertical pipe (5) are fixedly connected with supporting rods (8), the front side and the rear side of the air collecting cover (7) are fixedly connected with round shafts (9), the supporting rods (8) are rotatably sleeved on the corresponding round shafts (9), a rectangular groove (10) is arranged at the front side of one supporting rod (8) positioned in front of the two supporting rods (8), a chain wheel (11) is fixedly sleeved on one round shaft (9) positioned in front of the two round shafts (9), the chain wheel (11) is positioned in the rectangular groove (10), toothed plates (12) are respectively and slidably arranged on the inner walls of two sides of the rectangular groove (10), the tops of the two toothed plates (12) are fixedly connected with a same chain (13), the chain (13) is in transmission connection with the chain wheel (11), a gear (14) positioned between the two toothed plates (12) is rotatably arranged on the inner wall of the rear side of the rectangular groove (10), and the two toothed plates (12) are respectively meshed with the gear (14), rotate on one side inner wall of rectangular channel (10) and install screw rod (16), a pinion rack (12) screw thread cover in two pinion racks (12) is established on screw rod (16), and the bottom fixed mounting of a bracing piece (8) that is located the place ahead has driving motor (15), and the output shaft of driving motor (15) extend to in rectangular channel (10) and with the bottom fixed connection of screw rod (16).
2. The medium-flow ambient air particulate matter sampler according to claim 1, wherein the top of the cover plate is provided with a first circular hole and a second circular hole, the side wall of the first circular hole is fixedly mounted on the outer side of the fan (3), the side wall of the second circular hole is fixedly connected with the outer side of the vertical pipe (5), and the bottom of the fan (3) is provided with an air inlet.
3. The medium-flow ambient air particulate matter sampler according to claim 1, wherein a third circular hole is formed in one side of the support rod (8) close to the air collecting cover (7), a first bearing is fixedly sleeved in the third circular hole, and the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the corresponding circular shaft (9).
4. The medium-flow ambient air particulate matter sampler according to claim 1, wherein the inner walls of the two sides of the rectangular groove (10) are fixedly connected with T-shaped sliding rails, the sides of the two toothed plates (12) away from each other are provided with T-shaped sliding grooves, the top and the bottom of each of the two toothed plates are provided with openings, and the T-shaped sliding grooves are slidably connected with the corresponding T-shaped sliding rails.
5. A medium flow ambient air particulate sampler as claimed in claim 1 wherein one (12) of the two plates (12) is threaded and is threadedly engaged with the screw (16).
6. A medium flow ambient air particulate sampler as claimed in claim 1 wherein a second bearing is fixedly attached to one side of the rectangular channel (10) and the inner race of the second bearing is fixedly nested with the outer side of the screw (16).
7. The medium-flow ambient air particulate matter sampler according to claim 1, wherein a pin shaft is fixedly connected to the inner wall of the rear side of the rectangular groove (10), a fourth round hole is formed in the front side of the gear (14), a third bearing is fixedly sleeved in the fourth round hole, and the inner side of an inner ring of the third bearing is fixedly connected with the outer side of the pin shaft.
8. The medium-flow ambient air particulate matter sampler according to claim 1, wherein the bottom of the inner side of the cylinder (1) is provided with an internal thread, the outer side of the bottle mouth of the sampling bottle (2) is provided with an external thread, and the external thread is meshed with the internal thread.
9. The medium-flow ambient air particulate sampler according to claim 1, wherein one side of one toothed plate (12) of the two toothed plates (12) close to the other toothed plate (12) is fixedly connected with two limit blocks, and the gear (14) is located between the two limit blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535482.1U CN211825284U (en) | 2020-04-13 | 2020-04-13 | Medium-flow ambient air particulate matter sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535482.1U CN211825284U (en) | 2020-04-13 | 2020-04-13 | Medium-flow ambient air particulate matter sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211825284U true CN211825284U (en) | 2020-10-30 |
Family
ID=73142848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020535482.1U Expired - Fee Related CN211825284U (en) | 2020-04-13 | 2020-04-13 | Medium-flow ambient air particulate matter sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211825284U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525627A (en) * | 2020-12-18 | 2021-03-19 | 黑龙江华洲检测有限公司 | Comprehensive sampler for environmental air particles |
| CN113375958A (en) * | 2021-06-11 | 2021-09-10 | 金一凡 | Sampling device is used in research of plant foliage particle adsorption effect |
-
2020
- 2020-04-13 CN CN202020535482.1U patent/CN211825284U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525627A (en) * | 2020-12-18 | 2021-03-19 | 黑龙江华洲检测有限公司 | Comprehensive sampler for environmental air particles |
| CN113375958A (en) * | 2021-06-11 | 2021-09-10 | 金一凡 | Sampling device is used in research of plant foliage particle adsorption effect |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |