CN212988951U

CN212988951U - Atmospheric sampling equipment

Info

Publication number: CN212988951U
Application number: CN202021649494.3U
Authority: CN
Inventors: 刘博康
Original assignee: Shanghai Si Ai Rui Environmental Technology Co ltd
Current assignee: Shanghai Si Ai Rui Environmental Technology Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-04-16
Anticipated expiration: 2030-08-11

Abstract

The utility model relates to an atmosphere sampling technical field just discloses an atmosphere sampling equipment, including the round shell, the outside threaded connection of round shell has the closing cap that extends to the round shell back, the inside fixedly connected with baffle of round shell, the inside fixedly connected with collection gas shell of baffle, the inside swing joint of collection gas shell has the pull rod that extends to the collection gas shell is positive, the back fixedly connected with of pull rod is located the inside piston of collection gas shell, the positive fixedly connected with of pull rod is located the positive U-shaped piece of baffle, the back intercommunication of collection gas shell has the intake pipe that is located the baffle back, the inside fixedly connected with check valve of intake pipe. This atmosphere sampling equipment possesses the collection of being convenient for and can gather advantages such as multiple sample, has solved prior art, and atmosphere sampling equipment's structure is complicated, complex operation, and sampling equipment collects gaseous device singleness, can not once gather the problem of multiple gas sample.

Description

Atmospheric sampling equipment

Technical Field

The utility model relates to an atmospheric sampling technical field specifically is an atmospheric sampling equipment.

Background

Atmospheric sampling refers to a method for collecting a pollutant sample or a polluted air sample in the atmosphere, one type of the collection method is to make a large amount of air pass through a liquid absorbent or a solid adsorbent to enrich pollutants with low concentration in the atmosphere, such as an air extraction method and a filter membrane method, the other type is to collect air containing pollutants by using containers, such as glass bottles, plastic bags and the like, the collection method of the atmospheric sample is generally divided into a direct sampling method and an enrichment concentration sampling method, the direct sampling method is suitable for the condition that the concentration of a component to be detected in the atmosphere is high or the used monitoring method is very sensitive, the result measured by the direct sampling method reflects the average concentration of the atmospheric pollutants in the sampling instant or short time, the enrichment sampling method is suitable for the condition that the concentration of the pollutants in the atmosphere is low and the direct sampling cannot meet the analysis and determination requirements, and a certain means is required at, and (3) concentrating pollutants in the atmosphere to meet the requirement of sensitivity of the monitoring method.

In the prior art, the structure of the atmospheric sampling equipment is complex, the operation is complex, and the device for collecting gas by the sampling equipment is single, so that various gas samples cannot be collected at one time, and the atmospheric sampling equipment is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an atmosphere sampling equipment possesses the collection of being convenient for and can gather advantages such as multiple sample, has solved prior art, and atmosphere sampling equipment's structure is complicated, complex operation, and sampling equipment collects gaseous device singleness, can not once gather the problem of multiple gas sample.

(II) technical scheme

For the purpose of realizing above-mentioned collection of being convenient for and can gather multiple sample, the utility model provides a following technical scheme: an atmosphere sampling device comprises a round shell, wherein the outer side of the round shell is in threaded connection with a sealing cover extending to the back of the round shell, the inner part of the round shell is fixedly connected with a partition plate, the inner part of the partition plate is fixedly connected with an air collecting shell, the inner part of the air collecting shell is movably connected with a pull rod extending to the front of the air collecting shell, the back of the pull rod is fixedly connected with a piston positioned in the air collecting shell, the front of the pull rod is fixedly connected with a U-shaped block positioned at the front of the partition plate, the back of the air collecting shell is communicated with an air inlet pipe positioned at the back of the partition plate, the inner part of the air inlet pipe is fixedly connected with a one-way valve, the outer side of the air inlet pipe is communicated with an air guide pipe positioned at the front of the one-way valve, one end of the air guide, the inside fixedly connected with step motor of frame, step motor's output fixedly connected with is located the pivot at the frame back, the disc has been cup jointed in the outside of pivot, the outside fixedly connected with of disc extends to the inboard connecting plate of U-shaped piece.

Preferably, the back of the round shell is designed to be an opening, and the outer side of the round shell is provided with threads matched with the inner side of the sealing cover.

Preferably, the number of the U-shaped blocks is multiple, and the U-shaped blocks are distributed in an annular shape at equal intervals.

Preferably, the front surface of the gas collecting shell is provided with a yielding hole, and the inside of the yielding hole is fixedly connected with a sliding ring positioned on the outer side of the pull rod.

Preferably, the piston is a rubber block, and the piston is tightly attached to the side wall of the inner cavity of the air collection shell.

Preferably, the back of the base is provided with an installation groove, and the stepping motor is located inside the installation groove.

(III) advantageous effects

Compared with the prior art, the utility model provides an atmospheric sampling equipment possesses following beneficial effect:

when sampling is needed, the sealing cover is rotated to separate the sealing cover from the round shell, the electric push rod is started again, the electric push rod drives the machine base to move, the machine base drives the stepping motor to move, the stepping motor drives the rotating shaft to move, the rotating shaft drives the disc to move, the disc drives the connecting plate to move, the connecting plate drives the U-shaped block to be away from the gas collection shell, the U-shaped block drives the pull rod to move, the pull rod drives the piston to move, gas enters the gas collection shell through the one-way valve, when another gas needs to be collected, the stepping motor is started, the stepping motor drives the rotating shaft to rotate, the rotating shaft drives the disc to rotate, the connecting plate is positioned between the two U-shaped blocks, the electric push rod is started again to drive the connecting plate which is indirectly connected with the electric push rod to move, and the stepping motor is matched to drive the connecting, and then the electric push rod drives the connecting plate to be far away from the gas collecting shell, so that another gas can be collected, and the aims of facilitating collection and collecting various samples are fulfilled.

Drawings

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

fig. 2 is a bottom sectional view of the sealing cap of the present invention.

In the figure: 1. a round shell; 2. sealing the cover; 3. a partition plate; 4. a gas collection shell; 5. a piston; 6. a pull rod; 7. a U-shaped block; 8. an air inlet pipe; 9. a one-way valve; 10. an air duct; 11. a valve; 12. an electric push rod; 13. a machine base; 14. a stepping motor; 15. a rotating shaft; 16. a disc; 17. a connecting plate.

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. 1-2, an atmosphere sampling device comprises a circular shell 1, a sealing cover 2 extending to the back of the circular shell 1 is connected to the outer side of the circular shell 1 through a thread, the back of the circular shell 1 is of an open design, the outer side of the circular shell 1 is provided with a thread matched with the inner side of the sealing cover 2, a partition plate 3 is fixedly connected to the inner part of the circular shell 1, a gas collecting shell 4 is fixedly connected to the inner part of the partition plate 3, a pull rod 6 extending to the front of the gas collecting shell 4 is movably connected to the inner part of the gas collecting shell 4, a yielding hole is formed in the front of the gas collecting shell 4, a sliding ring positioned on the outer side of the pull rod 6 is fixedly connected to the inner part of the yielding hole, a piston 5 positioned inside the gas collecting shell 4 is fixedly connected to the back of the pull rod 6, the piston 5 is a rubber block, the piston 5 is tightly attached to the inner cavity side wall of the gas collecting shell 4, a U-shaped, the U-shaped block 7 is distributed in annular equidistance, the back of the gas collection shell 4 is communicated with an air inlet pipe 8 positioned on the back of the partition plate 3, the inside of the air inlet pipe 8 is fixedly connected with a one-way valve 9, the outer side of the air inlet pipe 8 is communicated with an air duct 10 positioned on the front of the one-way valve 9, one end of the air duct 10 far away from the air inlet pipe 8 is communicated with a valve 11, the front side wall of the inner cavity of the round shell 1 is fixedly connected with an electric push rod 12, the output end of the electric push rod 12 is fixedly connected with a base 13, the inside of the base 13 is fixedly connected with a stepping motor 14, the output end of the stepping motor 14 is fixedly connected with a rotating shaft 15 positioned on the back of the base 13, the back of the base 13 is provided with a mounting groove, the stepping motor 14 is positioned inside the mounting groove, separating the sealing cover 2 from the round shell 1, starting the electric push rod 12, the electric push rod 12 driving the base 13 to move, the base 13 driving the stepping motor 14 to move, the stepping motor 14 driving the rotating shaft 15 to move, the rotating shaft 15 driving the disc 16 to move, the disc 16 driving the connecting plate 17 to move, the connecting plate 17 driving the U-shaped block 7 to move away from the gas collection shell 4, the U-shaped block 7 driving the pull rod 6 to move, the pull rod 6 driving the piston 5 to move, so that the gas enters the gas collection shell 4 through the one-way valve 9, when another gas needs to be collected, starting the stepping motor 14, the stepping motor 14 driving the rotating shaft 15 to rotate, the disc 15 driving the connecting plate 16 to rotate, the connecting plate 16 driving the connecting plate 17 to rotate, so that the connecting plate 17 is positioned between two U-shaped blocks 7, starting the electric push rod 12 driving the connecting plate 17 indirectly connected with the electric push rod 12 to move, and simultaneously matching with the, then the electric push rod 12 drives the connecting plate 17 to be far away from the gas collecting shell 4, so that another gas can be collected, and the purposes of convenient collection and collection of various samples are achieved.

To sum up, when sampling is required, the atmosphere sampling device rotates the sealing cover 2 to separate the sealing cover 2 from the round shell 1, then the electric push rod 12 is started, the electric push rod 12 drives the base 13 to move, the base 13 drives the stepping motor 14 to move, the stepping motor 14 drives the rotating shaft 15 to move, the rotating shaft 15 drives the disc 16 to move, the disc 16 drives the connecting plate 17 to move, the connecting plate 17 drives the U-shaped block 7 to move away from the gas collecting shell 4, the U-shaped block 7 drives the pull rod 6 to move, the pull rod 6 drives the piston 5 to move, so that the gas enters the gas collecting shell 4 through the one-way valve 9, when another gas is required to be collected, the stepping motor 14 is started, the stepping motor 14 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the disc 16 to rotate, the disc 16 drives the connecting plate 17 to rotate, so that the connecting plate 17 is positioned between the two U-shaped blocks 7, then the, simultaneously cooperate step motor 14, step motor 14 drives connecting plate 17 and rotates the inboard of next U-shaped piece 7, makes electric putter 12 drive connecting plate 17 again and keeps away from gas collection shell 4, can collect another kind of gas to reached and be convenient for gather and can gather the purpose of multiple sample, solved prior art, the structure of atmosphere sampling equipment is complicated, complex operation, and sampling equipment collects gaseous device singleness, can once gather the problem of multiple gas sample.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. An atmosphere sampling device comprising a circular shell (1), characterized in that: the outer side of the round shell (1) is in threaded connection with a sealing cover (2) extending to the back of the round shell (1), the inner part of the round shell (1) is fixedly connected with a partition plate (3), the inner part of the partition plate (3) is fixedly connected with an air collecting shell (4), the inner part of the air collecting shell (4) is movably connected with a pull rod (6) extending to the front of the air collecting shell (4), the back of the pull rod (6) is fixedly connected with a piston (5) positioned in the air collecting shell (4), the front of the pull rod (6) is fixedly connected with a U-shaped block (7) positioned on the front of the partition plate (3), the back of the air collecting shell (4) is communicated with an air inlet pipe (8) positioned on the back of the partition plate (3), the inner part of the air inlet pipe (8) is fixedly connected with a one-way valve (9), the outer side of the air inlet pipe (8) is communicated, the one end intercommunication that intake pipe (8) were kept away from in air duct (10) has valve (11), lateral wall fixedly connected with electric putter (12) before the inner chamber of circle shell (1), output fixedly connected with frame (13) of electric putter (12), inside fixedly connected with step motor (14) of frame (13), the output fixedly connected with of step motor (14) is located pivot (15) at frame (13) back, disc (16) have been cup jointed in the outside of pivot (15), the outside fixedly connected with of disc (16) extends to connecting plate (17) of U-shaped piece (7) inboard.

2. An atmospheric sampling device as defined in claim 1 wherein: the back of the round shell (1) is of an open design, and threads matched with the inner side of the sealing cover (2) are arranged on the outer side of the round shell (1).

3. An atmospheric sampling device as defined in claim 1 wherein: the number of the U-shaped blocks (7) is multiple, and the U-shaped blocks (7) are distributed in an annular shape at equal intervals.

4. An atmospheric sampling device as defined in claim 1 wherein: the front surface of the air collecting shell (4) is provided with a yielding hole, and the inside of the yielding hole is fixedly connected with a sliding ring positioned on the outer side of the pull rod (6).

5. An atmospheric sampling device as defined in claim 1 wherein: the piston (5) is a rubber block, and the piston (5) is tightly attached to the side wall of the inner cavity of the air collection shell (4).

6. An atmospheric sampling device as defined in claim 1 wherein: the back of the base (13) is provided with an installation groove, and the stepping motor (14) is located inside the installation groove.