CN215448666U

CN215448666U - Atmospheric environment detects with gaseous diversity collection system

Info

Publication number: CN215448666U
Application number: CN202121874910.4U
Authority: CN
Inventors: 王阳; 陈铁; 王欢; 张敏伟; 温淼
Original assignee: Qinhuangdao Weihuan Environmental Protection Technology Co ltd
Current assignee: Qinhuangdao Weihuan Environmental Protection Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-07
Anticipated expiration: 2031-08-11

Abstract

The utility model belongs to the technical field of atmospheric environment detection, and particularly relates to a gas diversity acquisition device for atmospheric environment detection, which comprises a main pipe and an acquisition unit; the collecting unit is arranged inside the main body pipe; the collecting unit comprises a horn head, a first accommodating cylinder, a first piston, a first drawing rod and a storage mechanism; through holding a section of thick bamboo, a piston, a pull pole and No. two and hold mutually supporting between the section of thick bamboo, when the staff gathered the gas sample, rotate a pull pole and drive an inside bottom storage that holds a section of thick bamboo and rotate the main part pipe, extract other sample gas storages to the inside that holds a section of thick bamboo No. two again, hold a section of thick bamboo and hold a section of thick bamboo switching use each other through one, realized using the various gaseous function of small-size collection device collection, improved small-size collection device's effect.

Description

Atmospheric environment detects with gaseous diversity collection system

Technical Field

The utility model belongs to the technical field of atmospheric environment detection, and particularly relates to a gas diversity acquisition device for atmospheric environment detection.

Background

Atmospheric environmental monitoring is the analysis of the concentration of a contaminant in the atmospheric environment and the observation of its changes, as well as the determination of environmental effects.

In the prior art, the types of collecting devices for detecting the atmospheric environment are more, the size of the collecting devices is also very large or small, and the atmospheric quality detection is usually carried out according to factors such as the scale of a region, the distribution condition of an atmospheric pollution source, meteorological conditions, topography and the like.

Many large-scale collection devices have conditions for collecting various atmospheric gases, but the large-scale collection devices are not easy to carry, but the small-scale collection devices on the market do not have the conditions for collecting various atmospheric gases, so that a gas diversity collection device for atmospheric environment detection is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gas diversity acquisition device for atmospheric environment detection, which aims to make up for the defects of the prior art and solve the problems that most large acquisition devices have conditions for acquiring various atmospheric gases, but the large acquisition devices are not easy to carry, but the small acquisition devices on the market do not have the conditions for acquiring various atmospheric gases.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a gas diversity acquisition device for atmospheric environment detection, which comprises a main pipe and an acquisition unit; the collecting unit is arranged inside the main body pipe; the collecting unit comprises a horn head, a first accommodating cylinder, a first piston, a first drawing rod and a storage mechanism; the horn head is fixedly connected to the side wall of the main body pipe; the first accommodating cylinder is rotatably connected to the inner side wall of the main pipe; the first piston is connected to the inner side wall of the first accommodating cylinder in a sliding manner; the first drawing rod is fixedly connected to the side wall of the first piston; a first handheld plate is fixedly connected to the side wall of the first drawing rod; the storage mechanism is arranged inside the main tube; the increase of the storage mechanism enables the diversification of the gas stored in the main tube.

Preferably, the storage mechanism comprises a second accommodating cylinder, a second piston, a second drawing rod and a second handheld plate; the second accommodating cylinder is rotatably connected to the inner side wall of the main body pipe; the end part of the second accommodating cylinder is provided with a hole; the second piston is connected to the inner side wall of the second accommodating cylinder in a sliding manner; the second drawing rod is fixedly connected to the side wall of the second piston; the second handheld plate is fixedly connected to the side wall of the second drawing rod; can make through the switching storage between a holding cylinder and the second holding cylinder, can reach and gather multiple gas sample.

Preferably, the inner side wall of the main body pipe is fixedly connected with a spoiler; a support plate is fixedly connected to the inner side wall of the main body pipe; the side wall of the supporting plate is fixedly connected with an elastic pull rope; the side wall of the elastic pull rope is fixedly connected with a rubber ball; a sealing gasket is fixedly connected to the side wall of the main body pipe; a first air through pipe is fixedly connected to the inner side wall of the first accommodating cylinder; a second vent pipe is fixedly connected to the inner side wall of the second accommodating cylinder; an exhaust pipe is fixedly connected to the side wall of the second vent pipe; the internal thread of the exhaust pipe is connected with an air blocking plug; the sealing effect can be realized by the attachment of the rubber ball and the spoiler, the gas is stored, and then the gas is released by opening the gas blocking plug.

Preferably, the side wall of the spoiler is fixedly connected with a sucker base; the side wall of the sucker base is fixedly connected with an adsorption plate; the side wall of the adsorption disc is fixedly connected with a flexible magnetic part; the side wall of the rubber ball is fixedly connected with an elliptical magnetic part; a protective pad is fixedly connected to the side wall of the spoiler; make can more accurate quick when letting the rubber ball reset, the protection pad is the guard action, makes the inseparabler of rubber ball laminating simultaneously.

Preferably, the inner side wall of the main body pipe is fixedly connected with a fan frame; the inner side wall of the fan frame is fixedly connected with a fan blade supporting plate; the side wall of the fan blade supporting plate is rotatably connected with an exhaust fan blade; the gas can be quickly pumped into the first accommodating cylinder for storage.

Preferably, a circular magnetic part is fixedly connected inside the first accommodating cylinder; a square magnetic part is fixedly connected inside the sealing gasket; the round magnetic part and the square magnetic part are attracted with each other; can make when holding a section of thick bamboo and rotate the inside bottom of main part pipe, the trompil that holds a section of thick bamboo lateral wall is sealed the pad and firmly adsorbs the laminating, prevents that inside gas from leaking, and compactness is stronger.

The utility model has the beneficial effects that:

1. the utility model provides a gas diversity acquisition device for atmospheric environment detection, which is characterized in that a first accommodating cylinder, a first piston, a first pull rod and a second accommodating cylinder are matched with each other, when a worker acquires a gas sample, the side wall of a first handheld plate is held by a hand to pull the first pull rod, the first pull rod can drive the first piston to slide on the inner side wall of the first accommodating cylinder to extract outside gas, after extraction is completed, the first pull rod is rotated to drive the first accommodating cylinder to rotate to the inner bottom end of a main body pipe for storage, other sample gas is extracted from the interior of the second accommodating cylinder for storage, and the first accommodating cylinder and the second accommodating cylinder are mutually switched for use, so that the function of acquiring various gases by using a small acquisition device is realized, and the effect of the small acquisition device is improved.

2. The utility model provides a gas diversity acquisition device for atmospheric environment detection, which is characterized in that through mutual matching of an elastic pull rope, a rubber ball, a magnetic part and an exhaust fan blade, when sample gas stored outside is extracted from the interior of a first accommodating cylinder, a first hand-held plate is pulled to drive a first piston to extract the gas, the first piston drives the rubber ball to move inwards when extracted, the rubber ball is stretched, the gas enters the interior of the first accommodating cylinder from the side wall of the rubber ball, the exhaust fan blade is driven to rotate when passing through the exhaust fan blade, the efficiency of gas extraction is improved, when extraction is completed, the elastic pull rope retracts, and the rubber ball is accelerated to be driven to reset through the attraction effect between the magnetic parts, the adsorption tightness is improved, and gas samples are prevented from leaking.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a sectional view of the main tube of the first embodiment;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a schematic structural diagram of a second embodiment of a hand-held device;

illustration of the drawings:

in the figure: 1. a main body tube; 12. a horn head; 13. a first accommodating barrel; 14. a piston I; 15. a first drawing rod; 16. a first handheld board; 2. a second accommodating cylinder; 21. a piston II; 22. a second drawing rod; 23. a second handheld board; 3. a spoiler; 31. a support plate; 32. an elastic pull rope; 33. a rubber ball; 34. a gasket; 35. a first air pipe; 36. a second vent pipe; 37. an exhaust pipe; 38. blocking air; 4. a suction cup base; 41. an adsorption tray; 42. a flexible magnetic member; 43. an elliptical magnetic member; 44. a protective pad; 5. a fan frame; 51. a fan blade supporting plate; 52. an extraction fan blade; 6. a circular magnetic member; 61. a square magnetic member; 7. and protecting hands with rubber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, a gas diversity collecting device for atmospheric environment detection includes a main tube 1 and a collecting unit; the collecting unit is arranged inside the main body pipe 1;

the collecting unit comprises a horn head 12, a first accommodating cylinder 13, a first piston 14, a first drawing rod 15 and a storage mechanism; the horn head 12 is fixedly connected to the side wall of the main body pipe 1; the first accommodating cylinder 13 is rotatably connected to the inner side wall of the main pipe 1; the first piston 14 is slidably connected to the inner side wall of the first accommodating cylinder 13; the first drawing rod 15 is fixedly connected to the side wall of the first piston 14; a first hand-held plate 16 is fixedly connected to the side wall of the first drawing rod 15; the storage mechanism is arranged inside the main tube 1; during operation, the staff holds the lateral wall at a handheld board 16 with one hand, another kind of hand is holding the bottom of main part pipe 1, the hand power is dragged handheld board 16 to the outside pulling of main part pipe 1, a pull pole 15 drives a piston 14 and slides in the inside that holds a section of thick bamboo 13 No. one, take in the inside that holds a section of thick bamboo 13 with outside gas through loudspeaker head 12, rotate storage mechanism, gas will be deposited in the inside that holds a section of thick bamboo 13 No. one, can extract other gaseous business turn over storage through storage mechanism once more, can make the increase of bucket storage mechanism, make the gaseous of main part pipe 1 storage can be diversified.

The storage mechanism comprises a second accommodating cylinder 2, a second piston 21, a second drawing rod 22 and a second handheld plate 23; the second accommodating cylinder 2 is rotatably connected to the inner side wall of the main pipe 1; the end part of the second accommodating cylinder 2 is provided with a hole; the second piston 21 is connected to the inner side wall of the second accommodating cylinder 2 in a sliding manner; the second drawing rod 22 is fixedly connected to the side wall of the second piston 21; the second handheld plate 23 is fixedly connected to the side wall of the second drawing rod 22; during operation, the staff pulls the handheld board 16 of a hand, gaseous inside of holding a section of thick bamboo 13 from loudspeaker head 12 extraction, the staff is through rotatory pull pole 15 No. one, thereby rotate and hold a section of thick bamboo 13 down No. one, No. two hold a section of thick bamboo 2 and be rotated, the hole that No. two held a section of thick bamboo 2 lateral walls were seted up corresponds with loudspeaker head 12, the staff can hold the lateral wall of No. two handheld boards 23, outwards pulling, extract other sample gas, No. two pull pole 22 drives No. two pistons 21 and slides in the inside of No. two holding a section of thick bamboo 2, gaseous inside of holding a section of thick bamboo 2 of taking into from loudspeaker head 12, the staff plugs up loudspeaker head 12's lateral wall, gaseous can save in the inside of No. two holding a section of thick bamboo 2, can make through the switching storage between a section of thick bamboo 13 and the No. two holding a section of thick bamboo 2, can reach and gather multiple gaseous sample.

A spoiler 3 is fixedly connected to the inner side wall of the main body pipe 1; a support plate 31 is fixedly connected to the inner side wall of the main body pipe 1; the side wall of the supporting plate 31 is fixedly connected with an elastic pull rope 32; the side wall of the elastic pull rope 32 is fixedly connected with a rubber ball 33; a sealing gasket 34 is fixedly connected to the side wall of the main body pipe 1; a first vent pipe 35 is fixedly connected to the inner side wall of the first accommodating cylinder 13; a second vent pipe 36 is fixedly connected to the inner side wall of the second accommodating cylinder 2; an exhaust pipe 37 is fixedly connected to the side wall of the second vent pipe 36; the inner part of the exhaust pipe 37 is connected with an air blocking plug 38 through threads; when the gas-blocking device works, an operator pulls the first hand-held plate 16 to extract gas from the inside of the first containing cylinder 13, when the first piston 14 slides to extract gas, the rubber ball 33 is pulled away from the side wall of the spoiler 3, the elastic pull rope 32 is stretched, the gas is extracted from the side wall of the rubber ball 33 into the inside of the first containing cylinder 13, when the first piston 14 does not slide, the elastic pull rope 32 retracts to drive the rubber ball 33 to be clamped on the side wall of the spoiler 3 to realize sealing, the operator rotates the first pull rod 15, the first containing cylinder 13 rotates to the bottom of the main body pipe 1, a hole formed in the side wall of the first containing cylinder 13 is blocked by the sealing gasket 34 to prevent the gas in the first containing cylinder 13 from leaking out, when the operator takes out the gas, the gas blocking plug 38 opens the gas exhaust pipe 37, the gas can be conveyed from the inside of the second air pipe 36 to the exhaust pipe 37, and finally is exhausted through the gas blocking plug 38, so that the sealing effect can be realized by the rubber ball 33 and the spoiler 3 in a joint manner, the gas is conserved and released by opening the gas block 38.

The side wall of the spoiler 3 is fixedly connected with a sucker base 4; the side wall of the sucking disc base 4 is fixedly connected with an adsorption disc 41; a flexible magnetic part 42 is fixedly connected to the side wall of the adsorption disc 41; an elliptical magnetic part 43 is fixedly connected to the side wall of the rubber ball 33; a protective pad 44 is fixedly connected to the side wall of the spoiler 3; during the work, during panel 16 is handed to staff's pull, the inside of a section of thick bamboo 13 is held from taking out into in horn head 12 to gaseous follow, elasticity stay cord 32 is stretched out by the elongation, rubber ball 33 is driven and is inwards slided, after gaseous extraction is accomplished, the attached lateral wall at adsorption disc 41 of elasticity stay cord 32 electronic rubber ball 33, for the looks attraction effect between adsorption disc 41 and the oval magnetic part 43, make can more accurate quick when letting rubber ball 33 reset, protection pad 44 is the guard action, make the comparison of rubber ball 33 laminating inseparabler simultaneously.

The inner side wall of the main body pipe 1 is fixedly connected with a fan frame 5; the inner side wall of the fan frame 5 is fixedly connected with a fan blade supporting plate 51; the side wall of the fan blade supporting plate 51 is rotatably connected with an exhaust fan blade 52; during operation, the staff draws a handheld board 16, and piston 14 slides and extracts external gaseous sample, and when gaseous inside getting into main part pipe 1 through horn head 12, gaseous drive extraction fan leaf 52 rotated, and extraction fan leaf 52 rotates and increases the suction that extracts external gas, can make gaseous being extracted into a holding section of thick bamboo 13 inside fast and save.

A circular magnetic part 6 is fixedly connected inside the first accommodating cylinder 13; a square magnetic part 61 is fixedly connected inside the sealing gasket 34; the round magnetic part 6 and the square magnetic part 61 are attracted; the during operation, the staff will hold a section of thick bamboo 13 inside with one and extract after full gas, rotatory pull pole 15, drive a section of thick bamboo 13 and rotate, hold a section of thick bamboo 2 and also rotate simultaneously No. two, the inside rigid coupling that holds a section of thick bamboo 13 has circular magnetic part 6, the inside rigid coupling that fills up 34 has square magnetic part 61, be the looks attraction effect between circular magnetic part 6 and the square magnetic part 61, can make when a section of thick bamboo 13 rotates the inside bottom of main part pipe 1, the trompil that holds a section of thick bamboo 13 lateral wall is firmly adsorbed by sealed 34 and is laminated, prevent that inside gas from leaking, compactness is stronger.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a rubber hand guard 7 is fixedly connected to a side wall of the second handheld plate 23; the side wall of the first hand-held plate 16 is fixedly connected with a rubber hand guard 7; during the work, when the staff gathered the extraction to the gas sample, for the staff more surely the lateral wall of No. two handheld boards 23 of gripping, so through increasing rubber hand protector 7 at No. two handheld boards 23 and the lateral wall of a handheld board 16, more surely comfortable when can making the staff grip No. two handheld boards 23 and a handheld board 16.

The working principle is as follows: when the gas storage device works, a worker holds the side wall of the first hand-held plate 16 with one hand, the other hand holds the bottom end of the main body pipe 1, the first hand-held plate 16 is pulled by hand to pull towards the outside of the main body pipe 1, the first pulling rod 15 drives the first piston 14 to slide in the first accommodating cylinder 13, external gas is pulled into the first accommodating cylinder 13 through the horn head 12, the gas is stored in the first accommodating cylinder 13 by rotating the storage mechanism, other gas can be extracted through the storage mechanism again to enter and exit for storage, the number of the storage mechanisms can be increased, and the gas stored in the main body pipe 1 can be diversified; the working personnel pull the first hand-held plate 16 by hand, gas is extracted into the first accommodating cylinder 13 from the horn head 12, the working personnel rotate the first drawing rod 15 to rotate the first accommodating cylinder 13 downwards, the second accommodating cylinder 2 is rotated upwards, a hole formed in the side wall of the second accommodating cylinder 2 corresponds to the horn head 12, the working personnel can hold the side wall of the second hand-held plate 23 by hand and draw other sample gas outwards, the second drawing rod 22 drives the second piston 21 to slide in the second accommodating cylinder 2, the gas is extracted into the second accommodating cylinder 2 from the horn head 12, the working personnel block the side wall of the horn head 12, the gas can be stored in the second accommodating cylinder 2, and the gas can be stored by switching between the first accommodating cylinder 13 and the second accommodating cylinder 2, so that various gas samples can be collected; when the worker pulls the first hand-held plate 16 to extract gas from the inside of the first accommodating cylinder 13, the first piston 14 slides to extract gas, the rubber ball 33 is pulled away from the side wall of the spoiler 3, the elastic pull rope 32 is pulled to be long, the gas is pulled into the inside of the first accommodating cylinder 13 from the side wall of the rubber ball 33, when the first piston 14 does not slide, the elastic pull rope 32 retracts to drive the rubber ball 33 to be clamped on the side wall of the spoiler 3 to realize sealing, the worker rotates the first pull rod 15, the first accommodating cylinder 13 rotates to the bottom of the main body pipe 1, a hole formed in the side wall of the first accommodating cylinder 13 is blocked by the sealing gasket 34 to prevent the gas in the first accommodating cylinder 13 from leaking out, when the worker takes out the gas, the vent pipe 37 is opened by rotating the choke plug 38, the gas can be conveyed to the vent pipe 37 from the inside of the second accommodating cylinder 36, and finally is discharged through the choke plug 38, so that the sealing effect can be realized by the rubber ball 33 and the spoiler 3 in a joint manner, the gas is preserved and then released by opening the gas block 38; when the worker pulls the first handheld plate 16, gas is pumped into the first accommodating cylinder 13 from the horn head 12, the elastic pull rope 32 is stretched, the rubber ball 33 is driven to slide inwards, after the gas is pumped out, the elastic pull rope 32 and the electric rubber ball 33 are attached to the side wall of the adsorption disc 41, and the adsorption disc 41 and the elliptical magnetic part 43 are attracted to each other, so that the rubber ball 33 can be reset more accurately and rapidly when reset, the protective pad 44 has a protective effect, and meanwhile, the rubber ball 33 is attached more tightly; when a worker pulls the first handheld plate 16, the first piston 14 slides to extract an external gas sample, when the gas enters the main body pipe 1 through the horn head 12, the gas drives the extraction fan blade 52 to rotate, the extraction fan blade 52 rotates to increase the suction force for extracting the external gas, and the gas can be quickly extracted into the first accommodating cylinder 13 to be stored; after the staff is full of gas with the inside extraction of a holding section of thick bamboo 13, rotatory pull pole 15, drive a holding section of thick bamboo 13 and rotate, No. two holding section of thick bamboos 2 also rotate simultaneously, the inside rigid coupling of a holding section of thick bamboo 13 has circular magnetic part 6, the inside rigid coupling of sealed pad 34 has square magnetic part 61, for attracting the effect mutually between circular magnetic part 6 and the square magnetic part 61, can make when a holding section of thick bamboo 13 rotates the inside bottom of main part pipe 1, the trompil of a holding section of thick bamboo 13 lateral wall is firmly adsorbed the laminating by sealed pad 34, prevent that inside gas from leaking, compactness is stronger.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a gaseous diversity collection system is used in atmospheric environment detection which characterized in that: comprises a main tube (1) and a collecting unit; the collecting unit is arranged inside the main body pipe (1);

the collecting unit comprises a horn head (12), a first accommodating cylinder (13), a first piston (14), a first drawing rod (15) and a storage mechanism; the horn head (12) is fixedly connected to the side wall of the main body pipe (1); the first accommodating cylinder (13) is rotatably connected to the inner side wall of the main pipe (1); the first piston (14) is connected to the inner side wall of the first accommodating cylinder (13) in a sliding manner; the first drawing rod (15) is fixedly connected to the side wall of the first piston (14); a first hand-held plate (16) is fixedly connected to the side wall of the first drawing rod (15); the storage mechanism is arranged inside the main tube (1).

2. The gas diversity acquisition device for atmospheric environment detection according to claim 1, characterized in that: the storage mechanism comprises a second accommodating cylinder (2), a second piston (21), a second drawing rod (22) and a second handheld plate (23); the second accommodating cylinder (2) is rotatably connected to the inner side wall of the main pipe (1); the end part of the second accommodating cylinder (2) is provided with a hole; the second piston (21) is connected to the inner side wall of the second accommodating cylinder (2) in a sliding manner; the second drawing rod (22) is fixedly connected to the side wall of the second piston (21); the second handheld plate (23) is fixedly connected to the side wall of the second drawing rod (22).

3. The gas diversity acquisition device for atmospheric environment detection according to claim 2, characterized in that: a spoiler (3) is fixedly connected to the inner side wall of the main body pipe (1); a support plate (31) is fixedly connected to the inner side wall of the main body pipe (1); an elastic pull rope (32) is fixedly connected to the side wall of the supporting plate (31); the side wall of the elastic pull rope (32) is fixedly connected with a rubber ball (33); a sealing gasket (34) is fixedly connected to the side wall of the main body pipe (1); a first ventilation pipe (35) is fixedly connected to the inner side wall of the first accommodating cylinder (13); a second vent pipe (36) is fixedly connected to the inner side wall of the second accommodating cylinder (2); an exhaust pipe (37) is fixedly connected to the side wall of the second vent pipe (36); the interior of the exhaust pipe (37) is connected with an air blocking plug (38) through threads.

4. The gas diversity acquisition device for atmospheric environment detection according to claim 3, characterized in that: a sucker base (4) is fixedly connected to the side wall of the spoiler (3); an adsorption disc (41) is fixedly connected to the side wall of the suction disc base (4); the side wall of the adsorption disc (41) is fixedly connected with a flexible magnetic part (42); an elliptic magnetic part (43) is fixedly connected to the side wall of the rubber ball (33); and a protective pad (44) is fixedly connected to the side wall of the spoiler (3).

5. The gas diversity acquisition device for atmospheric environment detection according to claim 4, characterized in that: the inner side wall of the main body pipe (1) is fixedly connected with a fan frame (5); the inner side wall of the fan frame (5) is fixedly connected with a fan blade supporting plate (51); the side wall of the fan blade supporting plate (51) is rotatably connected with an exhaust fan blade (52).

6. The gas diversity acquisition device for atmospheric environment detection according to claim 5, characterized in that: a circular magnetic part (6) is fixedly connected inside the first accommodating cylinder (13); a square magnetic part (61) is fixedly connected inside the sealing gasket (34); the round magnetic part (6) and the square magnetic part (61) are attracted.