CN213985852U - Particulate matter sampling device for environmental detection - Google Patents
Particulate matter sampling device for environmental detection Download PDFInfo
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- CN213985852U CN213985852U CN202022825256.XU CN202022825256U CN213985852U CN 213985852 U CN213985852 U CN 213985852U CN 202022825256 U CN202022825256 U CN 202022825256U CN 213985852 U CN213985852 U CN 213985852U
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- 238000005070 sampling Methods 0.000 title claims abstract description 81
- 230000007613 environmental effect Effects 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 239000013618 particulate matter Substances 0.000 title claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract description 136
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance 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 environmental detection, in particular to a particulate matter sampling device for environmental detection, which comprises a sampling machine main body, wherein the upper end of the sampling machine main body is fixedly connected with a sampling head, the upper end of the sampling head is fixedly connected with a rain cover, the inner bottom end of the sampling head is fixedly connected with a filter membrane clamp lower cover, the upper end of the filter membrane clamp lower cover is fixedly connected with a second filter membrane net pad, the inner walls of the two sides of the second filter membrane net pad are respectively provided with a second chute, the inner upper surface of the second filter membrane net pad is provided with a second filter membrane, a first filter membrane net pad is fixedly arranged above the second filter membrane net pad, when the device is used for replacing the filter membrane, the rain cover is taken down, push blocks at the two sides of the sampling head are pressed downwards, the air in a U-shaped groove is compressed, a connecting rod is pushed upwards to drive the filter membrane clamp upper cover to move upwards, and the first filter membrane net pad and the second filter membrane net pad are sequentially pushed out of the sampling head through the connection of a clamping block and the chutes, thus, the filter membrane is convenient to replace.
Description
Technical Field
The utility model relates to an environmental detection technical field specifically is a particulate matter sampling device for environmental detection.
Background
With the acceleration of the industrialized process of China and the rapid development of national economy, atmospheric particulates have increasingly large influence on the atmospheric environment, the atmospheric particulates refer to the general name of solid or liquid granular substances dispersed in the atmosphere, and the monitoring, analysis and research of the atmospheric particulates are the key points of the current environmental protection work. But current granule sampling device need take off one of the part in the sampling head when changing the filter membrane, take out the filter membrane, need install the inside part again in proper order after changing the filter membrane, operating procedure is various, and is very troublesome, for this, the utility model provides a particulate matter sampling device for environmental detection is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a particulate matter sampling device for environmental detection to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a particulate matter sampling device for environmental detection comprises a sampling machine main body, wherein the upper end of the sampling machine main body is fixedly connected with a sampling head, the upper end of the sampling head is fixedly connected with a rain cover, the inner bottom end of the sampling head is fixedly connected with a filter membrane clamp lower cover, the upper end of the filter membrane clamp lower cover is fixedly connected with a second filter membrane net pad, the inner walls of the two sides of the second filter membrane net pad are respectively provided with a second chute, the inner upper surface of the second filter membrane net pad is provided with a second filter membrane, a first filter membrane net pad is fixedly arranged above the second filter membrane net pad, the two sides of the lower end of the first filter membrane net pad are respectively provided with a first fixture block, the first filter membrane net pad and the first fixture block are arranged into an integral structure, the first fixture block is clamped into the second chute and is in sliding connection with the second chute, the inner walls of the two sides of the first filter membrane net pad are respectively provided with a first chute, the upper surface of the interior of the first filter membrane gauze pad is provided with a first filter membrane, a filter membrane clamp upper cover is fixedly arranged above the first filter membrane gauze pad, the two sides of the lower end of the filter membrane clamp upper cover are both provided with second clamping blocks, the filter membrane clamp upper cover and the second clamping blocks are arranged into an integral structure, the second clamping block is clamped into the first sliding chute and is connected with the first sliding chute in a sliding way, U-shaped grooves are fixedly arranged in the inner walls of the two sides of the sampling head, the top of one end of the U-shaped groove is provided with a through hole, one end of the U-shaped groove is provided with a push block, the top of the other end of the U-shaped groove is provided with a through hole, the other end of the U-shaped groove is provided with a connecting rod, the upper end of the connecting rod penetrates through a through hole at the top of the U-shaped groove and is fixedly connected with the lower surface of the upper cover of the filter membrane clamp, the inside in U type groove is provided with U type gasbag, the one end of gasbag contacts with the lower extreme of connecting rod.
Preferably, the lower extreme of ejector pad runs through the inside that U type groove one end top through-hole stretched into U type groove, ejector pad and U type groove sliding connection, the other end of gasbag contacts with the lower extreme of ejector pad.
Preferably, the third spout has all been seted up to the both sides lateral wall of sampling head, the other end of ejector pad runs through the third spout and stretches out to the outside of sampling head, ejector pad and third spout sliding connection.
Preferably, the outer wall of the bottom end of the sampling head is provided with threads, the inner wall of the upper end of the sampling machine main body is provided with threads, and the sampling head is in threaded connection with the inner and outer parts of the sampling machine main body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the particulate sampling device is provided with a first filter membrane gauze pad and a second filter membrane gauze pad inside a sampling head, wherein both the filter membrane gauzes are provided with filter membranes, the two filter membrane gauze pads are positioned between a lower cover of a filter membrane clamp and an upper cover of the filter membrane clamp, a second fixture block at the lower end of the upper cover of the filter membrane clamp is clamped into a first chute on the inner wall of the first filter membrane gauze pad, a first fixture block at the lower end of the first filter membrane gauze pad is clamped into a second chute on the inner wall of the second filter membrane gauze pad, the upper cover of the filter membrane clamp, the first filter membrane gauze pad and the second filter membrane gauze pad are fixed into a whole through the arrangement of the fixture block and the chutes, U-shaped grooves are arranged inside the side walls at both sides of the sampling head, one end of each U-shaped groove is provided with a push block, the other end of each U-shaped groove is provided with a connecting rod, the upper end of the connecting rod is fixedly connected with the upper cover of the filter membrane clamp, when the filter membrane is replaced, the rain cover is taken down, the push blocks at both sides of the sampling head are pressed downwards to compress air bags in the U-shaped grooves, the connecting rod is pushed upwards to drive the upper cover of the filter membrane clamp to move upwards, and the first filter membrane net pad and the second filter membrane net pad are sequentially pushed out of the sampling head through the connection of the clamping block and the sliding groove, so that the filter membrane is convenient to replace;
2. the device has the advantages of simple structure, easy operation, convenient filter membrane replacement and more practicability.
Drawings
FIG. 1 is a schematic view of the internal structure of the sampling head of the present invention;
FIG. 2 is a schematic structural view of the sampling device of the present invention;
fig. 3 is a side view of the sampling head of the present invention.
In the figure: the sampling machine comprises a sampling machine body 1, a sampling head 2, a rain cover 3, a filter membrane clamp lower cover 4, a second filter membrane mesh pad 5, a second sliding groove 6, a second filter membrane 7, a first filter membrane mesh pad 8, a first clamping block 9, a first sliding groove 10, a first filter membrane 11, a filter membrane clamp upper cover 12, a second clamping block 13, a U-shaped groove 14, a pushing block 15, a connecting rod 16, a third sliding groove 17 and an air bag 18.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a particulate matter sampling device for environmental detection comprises a sampling machine main body 1, wherein the sampling machine main body 1 is a ZR-3920G type high negative pressure environment air particulate matter sampler, the upper end of the sampling machine main body 1 is fixedly connected with a sampling head 2, the upper end of the sampling head 2 is fixedly connected with a rainproof cover 3 for preventing rain, the inner bottom end of the sampling head 2 is fixedly connected with a filter membrane clamp lower cover 4, the upper end of the filter membrane clamp lower cover 4 is fixedly connected with a second filter membrane net pad 5, the inner walls of the two sides of the second filter membrane net pad 5 are respectively provided with a second chute 6, the inner upper surface of the second filter membrane net pad 5 is provided with a second filter membrane 7, a first filter membrane net pad 8 is fixedly arranged above the second filter membrane net pad 5, the two sides of the lower end of the first filter membrane net pad 8 are provided with first clamping blocks 9, the first filter membrane net pad 8 and the first clamping blocks 9 are arranged into an integral structure, the first clamping blocks 9 are clamped into the second chutes 6 and are connected with the second chutes 6 in a sliding way, the inner walls of two sides of the first filter membrane net pad 8 are both provided with a first chute 10, the inner upper surface of the first filter membrane net pad 8 is provided with a first filter membrane 11, a filter membrane clamp upper cover 12 is fixedly arranged above the first filter membrane net pad 8, two sides of the lower end of the filter membrane clamp upper cover 12 are both provided with a second fixture block 13, the filter membrane clamp upper cover 12 and the second fixture block 13 are arranged into an integral structure, the second fixture block 13 is clamped into the first chute 10 to be in sliding connection with the first chute 10, the inner parts of the inner walls of two sides of the sampling head 2 are fixedly provided with a U-shaped groove 14, the top of one end of the U-shaped groove 14 is provided with a through hole, one end of the U-shaped groove 14 is provided with a push block 15, the top of the other end of the U-shaped groove 14 is provided with a through hole, the upper end of the connecting rod 16 penetrates through the through hole at the top of the U-shaped groove 14 to be fixedly connected with the lower surface of the filter membrane clamp upper cover 12, the U-shaped groove 14 is internally provided with a U-shaped air bag 18, one end of the air bag 18 is in contact with the lower end of the connecting rod 16, when the filter membrane is replaced, the rain cover 3 is taken down, the push blocks 15 on two sides of the sampling head 2 are pressed downwards, the air bag 18 in the U-shaped groove 14 is compressed, the connecting rod 16 is pushed upwards, the filter membrane clamp upper cover 12 is driven to move upwards, the sampling head 2 is pushed out of the first filter membrane net pad 8 and the second filter membrane net pad 5 in sequence through the connection of the fixture blocks and the sliding grooves, and therefore the filter membrane is convenient to replace.
Further, the lower end of a push block 15 penetrates through a through hole at the top of one end of a U-shaped groove 14 and extends into the U-shaped groove 14, the push block 15 is connected with the U-shaped groove 14 in a sliding manner, the other end of an air bag 18 is in contact with the lower end of the push block 15, third sliding grooves 17 are formed in the side walls of two sides of a sampling head 2, the other end of the push block 15 penetrates through the third sliding grooves 17 and extends out of the sampling head 2, the push block 15 is connected with the third sliding grooves 17 in a sliding manner, threads are formed in the outer wall of the bottom end of the sampling head 2, threads are formed in the inner wall of the upper end of a sampling machine main body 1, the sampling head 2 is connected with the inner threads and the outer threads of the sampling machine main body 1, the push block 15 is pressed downwards by two hands to compress the air bag 18 in the U-shaped groove 14, a connecting rod 16 is extruded to push a filter membrane clamp upper cover 12 to move upwards, then the first filter membrane mesh pad 8 is driven by a second fixture block 13 in sequence, the first fixture block 9 to drive the second filter membrane mesh pad 5 to move upwards, and the push block 15 is stopped when the push block 15 is pressed to the lowest end, the filter membrane was grasped with forceps and replaced with a new one.
The working principle is as follows: when the filter membrane of the particulate matter sampling device is replaced, firstly, a sampling head 2 is taken down from a sampling machine body 1, then a rain cover 3 is taken down from the sampling head 2, a pushing block 15 is pressed downwards by two hands, an air bag 18 in a U-shaped groove 14 is compressed, a connecting rod 16 is extruded, a filter membrane clamp upper cover 12 is pushed to move upwards, then a first filter membrane net cushion 8 is driven by a second clamping block 13 in sequence, a second filter membrane net cushion 5 is driven by a first clamping block 9 to move upwards, the filter membrane is clamped by tweezers after the pushing block 15 is pressed to the lowest end, a new filter membrane is replaced, after replacement is finished, the filter membrane clamp upper cover 12 is pressed downwards to return to the original position, the rain cover 3 is installed, and the sampling head 2 can be used; the particulate sampling device is provided with a first filter membrane gauze pad 8 and a second filter membrane gauze pad 5 inside a sampling head 2, wherein both the filter membrane gauze pads are provided with filter membranes, the two filter membrane gauze pads are positioned between a filter membrane clamp lower cover 4 and a filter membrane clamp upper cover 12, a second fixture block 13 at the lower end of the filter membrane clamp upper cover 12 is clamped into a first chute 10 on the inner wall of the first filter membrane gauze pad 8, a first fixture block 9 at the lower end of the first filter membrane gauze pad 8 is clamped into a second chute 6 on the inner wall of the second filter membrane gauze pad 5, the filter membrane clamp upper cover 12, the first filter membrane gauze pad 8 and the second filter membrane gauze pad 5 are fixed into a whole through the arrangement of the fixture block and the chute, U-shaped grooves 14 are arranged inside the side walls at both sides of the sampling head 2, one end of the U-shaped groove 14 is provided with a push block 15, the other end is provided with a connecting rod 16, the upper end of the connecting rod 16 is fixedly connected with the filter membrane clamp upper cover 12, when the filter membranes are replaced, the rain cover 3 is taken down, push block 15 with the 2 both sides of sampling head down and press, compress gasbag 18 in U type groove 14, push up connecting rod 16, drive filter membrane clamp upper cover 12 upward movement, the rethread fixture block is connected with the spout, releases sampling head 2 with first filter membrane gauze pad 8 and second filter membrane gauze pad 5 in proper order, has just so conveniently changed the filter membrane, and this device simple structure, the processing ease conveniently changes the filter membrane, and is more practical.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a particulate matter sampling device for environmental detection, includes sampler main part (1), its characterized in that: the sampling machine is characterized in that the upper end of the sampling machine main body (1) is fixedly connected with a sampling head (2), the upper end of the sampling head (2) is fixedly connected with a rain cover (3), the bottom end of the interior of the sampling head (2) is fixedly connected with a filter membrane clamp lower cover (4), the upper end of the filter membrane clamp lower cover (4) is fixedly connected with a second filter membrane gauze pad (5), the inner walls of the two sides of the second filter membrane gauze pad (5) are respectively provided with a second chute (6), the upper surface of the interior of the second filter membrane gauze pad (5) is provided with a second filter membrane (7), a first filter membrane gauze pad (8) is fixedly arranged above the second filter membrane gauze pad (5), the two sides of the lower end of the first filter membrane gauze pad (8) are provided with first clamping blocks (9), the first filter membrane gauze pad (8) and the first clamping blocks (9) are integrated into a structure, and the first clamping blocks (9) are clamped into the interior of the second chute (6) and are connected with the second chute (6) in a sliding manner, the filter membrane net cushion comprises a first filter membrane net cushion (8), wherein the inner walls of two sides of the first filter membrane net cushion (8) are respectively provided with a first sliding chute (10), the inner upper surface of the first filter membrane net cushion (8) is provided with a first filter membrane (11), a filter membrane clamp upper cover (12) is fixedly arranged above the first filter membrane net cushion (8), two sides of the lower end of the filter membrane clamp upper cover (12) are respectively provided with a second clamping block (13), the filter membrane clamp upper cover (12) and the second clamping block (13) are arranged into an integral structure, the second clamping block (13) is clamped into the first sliding chute (10) and is in sliding connection with the first sliding chute (10), the inner walls of two sides of a sampling head (2) are fixedly provided with a U-shaped groove (14), the top of one end of the U-shaped groove (14) is provided with a through hole, one end of the U-shaped groove (14) is provided with a push block (15), and the top of the other end of the U-shaped groove (14) is provided with a through hole, the other end in U type groove (14) is provided with connecting rod (16), the lower fixed surface who presss from both sides upper cover (12) with the filter membrane through-hole runs through U type groove (14) top through-hole in the upper end of connecting rod (16) is connected, the inside in U type groove (14) is provided with U type gasbag (18), the one end of gasbag (18) contacts with the lower extreme of connecting rod (16).
2. The particulate matter sampling device for environmental detection according to claim 1, wherein: the lower extreme of ejector pad (15) runs through the inside that U type groove (14) one end top through-hole stretched into U type groove (14), ejector pad (15) and U type groove (14) sliding connection, the other end of gasbag (18) contacts with the lower extreme of ejector pad (15).
3. The particulate matter sampling device for environmental detection according to claim 1, wherein: third spout (17) have all been seted up to the both sides lateral wall of sampling head (2), the other end of ejector pad (15) runs through third spout (17) and stretches out to the outside of sampling head (2), ejector pad (15) and third spout (17) sliding connection.
4. The particulate matter sampling device for environmental detection according to claim 1, wherein: the outer wall of the bottom end of the sampling head (2) is provided with threads, the inner wall of the upper end of the sampling machine main body (1) is provided with threads, and the sampling head (2) is in threaded connection with the inner threads and the outer threads of the sampling machine main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825256.XU CN213985852U (en) | 2020-12-01 | 2020-12-01 | Particulate matter sampling device for environmental detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825256.XU CN213985852U (en) | 2020-12-01 | 2020-12-01 | Particulate matter sampling device for environmental detection |
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| Publication Number | Publication Date |
|---|---|
| CN213985852U true CN213985852U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022825256.XU Active CN213985852U (en) | 2020-12-01 | 2020-12-01 | Particulate matter sampling device for environmental detection |
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| Country | Link |
|---|---|
| CN (1) | CN213985852U (en) |
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- 2020-12-01 CN CN202022825256.XU patent/CN213985852U/en active Active
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