CN218782053U

CN218782053U - Gas sampling device for environmental monitoring

Info

Publication number: CN218782053U
Application number: CN202222049811.3U
Authority: CN
Inventors: 郭子健
Original assignee: Individual
Current assignee: Ningxia Zeruilong Environmental Protection Technology Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-03-31
Anticipated expiration: 2032-08-04

Abstract

The utility model relates to an environmental monitoring technical field just discloses a gas sampling device for environmental monitoring, including the inner tube, the top and the bottom of inner tube are rotated respectively and are connected with rotary drum and lower rotary drum, go up the surface of rotary drum and lower rotary drum and have all seted up outer inlet port, the inside welded fastening of inner tube has the negative-pressure device, the output welded fastening of negative-pressure device has the negative pressure pipe, the inside of going up rotary drum and lower rotary drum welded fastening respectively has a collector and a lower collector, go up the collector and the inside of collector down has all seted up the gas collecting chamber, the inner inlet port has been seted up to the surface of inner tube. This gas sampling device for environmental monitoring can carry gas to the inside in gas collection chamber respectively through outer inlet port and interior inlet port to can carry out a lot of samplings through the device, and store the gas after will sampling, thereby convenient to use.

Description

Gas sampling device for environmental monitoring

Technical Field

The utility model relates to an environmental monitoring technical field specifically is a gas sampling device for environmental monitoring.

Background

The environmental monitoring refers to the activities of monitoring and measuring the environmental quality condition by an environmental monitoring mechanism, and the environmental monitoring is to monitor and measure the indexes reflecting the environmental quality so as to determine the environmental pollution condition and the environmental quality.

When the quality of air is monitored, air in the environment needs to be sampled and collected, most of the existing gas sampling devices can only be used once, namely, the sampling gas needs to be immediately sealed after being collected, so that the gas sampling device can only be used once, but the sampling once does not have accuracy, and multiple times of sampling are needed, so that the gas sampling device used for sampling once is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a gas sampling device for environmental monitoring has solved the inconvenient problem of using of gas sampling device.

(II) technical scheme

For the purpose of realizing above-mentioned gas sampling device convenient to use, the utility model provides a following technical scheme: the utility model provides a gas sampling device for environmental monitoring, includes the inner tube, the top and the bottom of inner tube rotate respectively and are connected with rotary drum and lower rotary drum, go up the rotary drum and all seted up outer inlet port with the surface of lower rotary drum, the inside welded fastening of inner tube has the negative pressure ware, the output welded fastening of negative pressure ware has the negative pressure pipe, the inside of going up rotary drum and lower rotary drum welded fastening respectively has a collecting vessel and a collecting vessel down, the gas collecting chamber has all been seted up to the inside of going up collecting vessel and collecting vessel down, interior inlet port has been seted up to the surface of inner tube.

The inner wall of the outer air inlet hole is fixedly welded with an outer spring, the inner part of the outer air inlet hole is connected with an ejection barrel in a sliding mode, an air guide groove is formed in the ejection barrel, the inner wall of the inner barrel is fixedly welded with an inner spring, and one end of the inner spring is fixedly welded with a sealing sliding plug.

Preferably, the external air inlet hole, the air guide groove and the internal air inlet hole are communicated.

Preferably, the negative pressure conduit extends to the interior of the gas collection chamber.

Preferably, the sealing sliding plug is movably connected with the inner air inlet hole.

Preferably, two ends of the outer spring are respectively welded and fixed with the upper rotary drum and the ejection drum.

Preferably, the ejection cylinder is movably connected with the sealing sliding plug.

Compared with the prior art, the utility model provides a gas sampling device for environmental monitoring possesses following beneficial effect:

1. this gas sampling device for environmental monitoring, through rotating upper rotary drum and lower rotary drum respectively, upper rotary drum and lower rotary drum can drive the ejector sleeve rotation of its one side respectively this moment, and then when the ejector sleeve rotates the position to interior inlet port, outer spring stretches this moment, and will seal the ejecting interior inlet port of sliding plug through the ejector sleeve, the negative pressure ware can provide the negative pressure through the negative pressure pipe to the inside in gas collecting chamber simultaneously, and then can make outside air can be by outer inlet port, lead inside that gas duct and interior inlet port get into the inside in gas collecting chamber, thereby accomplish the sampling to the air.

2. This gas sampling device for environmental monitoring, when the outer inlet port rotates the gas collection chamber department to different positions respectively, all can be linked together with the gas collection chamber through outer inlet port, air guide groove and interior inlet port this moment to can sample gas many times.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial sectional view of the inner cylinder of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a partial sectional view of the structural collecting cylinder of the present invention.

Wherein: 1. an inner barrel; 2. an upper rotating drum; 3. a lower drum; 4. an outer air inlet hole; 5. a negative pressure device; 6. a negative pressure conduit; 7. an upper collection cylinder; 8. a lower collection cylinder; 9. a gas collection cavity; 10. an inner air inlet hole; 11. an outer spring; 12. an inner spring; 13. ejecting the cylinder; 14. a gas guide groove; 15. and (5) sealing the sliding plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Please refer to fig. 1-4, the utility model provides a gas sampling device for environmental monitoring, including inner tube 1, the top and the bottom of inner tube 1 rotate respectively and are connected with rotary drum 2 and lower rotary drum 3, outer inlet port 4 has all been seted up to the surface of upper rotary drum 2 and lower rotary drum 3, the internal weld of inner tube 1 is fixed with negative-pressure device 5, the output welded fastening of negative-pressure device 5 has negative pressure pipe 6, the inside of upper rotary drum 2 and lower rotary drum 3 welded fastening respectively has upper collecting cylinder 7 and lower collecting cylinder 8, gas collecting chamber 9 has all been seted up to the inside of upper collecting cylinder 7 and lower collecting cylinder 8, inner inlet port 10 has been seted up to the surface of inner tube 1.

An outer spring 11 is welded and fixed on the inner wall of an outer air inlet 4, an ejection barrel 13 is connected inside the outer air inlet 4 in a sliding mode, an air guide groove 14 is formed in the ejection barrel 13, an inner spring 12 is welded and fixed on the inner wall of an inner barrel 1, a sealing sliding plug 15 is welded and fixed at one end of the inner spring 12, the upper rotary barrel 2 and the lower rotary barrel 3 can respectively drive the ejection barrel 13 on one side to rotate through respectively rotating the upper rotary barrel 2 and the lower rotary barrel 3, the outer spring 11 stretches at the moment when the ejection barrel 13 rotates to the position of an inner air inlet 10, the sealing sliding plug 15 is ejected out of the inner air inlet 10 through the ejection barrel 13, meanwhile, a negative pressure device 5 can provide negative pressure to the inside of the air collection cavity 9 through a negative pressure guide pipe 6, external air can enter the inside of the air collection cavity 9 through the outer air inlet 4, the air guide groove 14 and the inner air inlet 10, sampling of the air is completed, in addition, when the outer air inlet 4 respectively rotates to the air collection cavity 9 at different positions, the outer air inlet 4, the air guide groove 14 and the inner air inlet 10 can be communicated with the air collection cavity 9, and sampling of the gas can be performed for multiple times.

Further, the external air inlet holes 4, the air guide groove 14 and the internal air inlet holes 10 are communicated, so that external air can enter the air collecting cavity 9 through the external air inlet holes 4, the air guide groove 14 and the internal air inlet holes 10.

Further, the negative pressure conduit 6 extends to the inside of the gas collecting cavity 9, so that the negative pressure device 5 can provide negative pressure to the inside of the gas collecting cavity 9 through the negative pressure conduit 6.

Furthermore, the sealing sliding plug 15 is movably connected with the inner air inlet hole 10, so that the inner air inlet hole 10 can be opened or closed through the sealing sliding plug 15.

Furthermore, two ends of the outer spring 11 are respectively welded and fixed with the upper rotary drum 2 and the ejection drum 13, so that the ejection drum 13 can be driven to move by the expansion or contraction of the outer spring 11, and the ejection drum 13 can drive the sealing sliding plug 15 to move.

Further, the ejection cylinder 13 is movably connected with the sealing sliding plug 15, and the gas collecting cavity 9 can be opened or closed through the movable connection of the ejection cylinder 13 and the sealing sliding plug 15.

When the sampling device is used, the upper rotary drum 2 and the lower rotary drum 3 are respectively rotated, at the moment, the upper rotary drum 2 and the lower rotary drum 3 can respectively drive the ejection cylinder 13 on one side to rotate, further, when the ejection cylinder 13 rotates to the position of the inner air inlet 10, the outer spring 11 stretches at the moment, the sealing sliding plug 15 is ejected out of the inner air inlet 10 through the ejection cylinder 13, meanwhile, the negative pressure device 5 can provide negative pressure for the inside of the air collecting cavity 9 through the negative pressure guide pipe 6, further, external air can enter the inside of the air collecting cavity 9 through the outer air inlet 4, the air guide groove 14 and the inner air inlet 10, and accordingly, air sampling is completed, in addition, when the outer air inlet 4 is respectively rotated to the air collecting cavity 9 at different positions, the outer air inlet 4, the air guide groove 14 and the inner air inlet 10 can be communicated with the air collecting cavity 9 at the moment, and accordingly, gas sampling can be carried out for multiple times.

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

1. The utility model provides a gas sampling device for environmental monitoring, includes inner tube (1), its characterized in that: the top end and the bottom end of the inner cylinder (1) are respectively and rotatably connected with an upper rotary cylinder (2) and a lower rotary cylinder (3), outer air inlets (4) are formed in the outer surfaces of the upper rotary cylinder (2) and the lower rotary cylinder (3), a negative pressure device (5) is welded and fixed in the inner cylinder (1), a negative pressure guide pipe (6) is welded and fixed at the output end of the negative pressure device (5), an upper collecting cylinder (7) and a lower collecting cylinder (8) are respectively welded and fixed in the upper rotary cylinder (2) and the lower rotary cylinder (3), air collecting cavities (9) are formed in the upper collecting cylinder (7) and the lower collecting cylinder (8), and inner air inlets (10) are formed in the outer surface of the inner cylinder (1);

an outer spring (11) is fixedly welded on the inner wall of the outer air inlet hole (4), an ejection barrel (13) is connected inside the outer air inlet hole (4) in a sliding mode, an air guide groove (14) is formed in the ejection barrel (13), an inner spring (12) is fixedly welded on the inner wall of the inner barrel (1), and a sealing sliding plug (15) is fixedly welded on one end of the inner spring (12).

2. The gas sampling device for environmental monitoring according to claim 1, wherein: the external air inlet hole (4), the air guide groove (14) and the internal air inlet hole (10) are communicated.

3. The gas sampling device for environmental monitoring according to claim 1, wherein: the negative pressure conduit (6) extends to the interior of the gas collection cavity (9).

4. The gas sampling device for environmental monitoring according to claim 1, wherein: the sealing sliding plug (15) is movably connected with the inner air inlet hole (10).

5. The gas sampling device for environmental monitoring according to claim 1, wherein: and two ends of the outer spring (11) are respectively welded and fixed with the upper rotary drum (2) and the ejection drum (13).

6. The gas sampling device for environmental monitoring according to claim 1, wherein: the ejection cylinder (13) is movably connected with the sealing sliding plug (15).