CN218524426U

CN218524426U - Gas detection sampling device

Info

Publication number: CN218524426U
Application number: CN202222322515.6U
Authority: CN
Inventors: 许红波; 陈庆山
Original assignee: Henan Heyi Air Liquefaction Co ltd
Current assignee: Henan Heyi Air Liquefaction Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-02-24
Anticipated expiration: 2032-09-01

Abstract

The utility model relates to the technical field of gas sampling, in particular to a gas detection sampling device, which comprises a sampling tank, wherein two supporting components for supporting the sampling tank are arranged outside the sampling tank; one side of each fixing ring is provided with a baffle which can move along the inner cavity of the sampling tank, and one side wall of each baffle, which is close to the fixing ring, is fixed with a sealing strip; through the sampling tank that sets up: the power supply of the air inlet fan is connected during sampling, the air inlet fan blows external air into the sampling tank, the air in the sampling tank is discharged to the outside through the air outlets, the two baffles on the two sides synchronously move relative to each other by rotating the transmission shaft, the air outlets are blocked by the sealing plugs, and the air in the sampling tank can be stored between the two baffles; this design convenience is sampled the outside air, and the convenience is stored the air of sampling, and not only sampling operation is convenient, makes things convenient for subsequent detection work moreover.

Description

Gas detection sampling device

Technical Field

The utility model relates to a gaseous sampling technical field specifically is a gaseous sampling device that detects.

Background

Air sampling refers to a method for collecting a pollutant sample in air or a polluted air sample, and the pollution condition in the air can be effectively detected by detecting the sampled air; when air sampling is carried out, a sampling device is needed;

the utility model patent with the publication number of CN202220358129.X discloses a diffusion type gas sampling device, which comprises a sampling cylinder, a supporting plate and a fastening hoop, wherein one side of the supporting plate is provided with the sampling cylinder through the fastening hoop and a positioning screw, one side of the sampling cylinder is provided with a temperature sensor through a screw, the lower end of the temperature sensor is provided with a pressure gauge through a screw, and one side of the top end of the sampling cylinder is provided with an air extraction opening; the utility model discloses a diffusion formula gas sampling device utilizes temperature sensor to be convenient for detect the temperature of sampling gas, makes things convenient for personnel to know, utilizes the filter screen of the intraductal bottom of sampling to be convenient for filter gas, gets rid of great particulate matter, avoids influencing gaseous detection;

although the diffusion type gas sampling device is convenient for filtering sampled gas and avoids influencing gas detection, the device needs to use a vacuum pump to vacuumize a sampling cylinder during sampling, and operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gaseous sampling device that detects to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the gas detection sampling device comprises a sampling tank, wherein two supporting components for supporting the sampling tank are arranged outside the sampling tank; a cavity for storing gas is arranged in the sampling tank, guide rails are fixed on the inner wall of the sampling tank close to two ends of the sampling tank, a plurality of gas outlets are arranged above the outer wall of the sampling tank, and sealing plugs are connected to the gas outlets in a threaded manner;

the inner cavity of the sampling tank is provided with two symmetrical fixing rings, one side of each fixing ring is provided with a baffle plate capable of moving along the inner cavity of the sampling tank, one side wall of each baffle plate, which is close to the corresponding fixing ring, is fixed with a sealing strip, and the outer wall of each baffle plate is provided with a sliding chute in sliding connection with the corresponding guide rail; a transmission shaft is arranged between the two baffles, thread grooves are formed in the transmission shaft close to the two ends of the transmission shaft, and the baffles penetrate through the transmission shaft and are in threaded connection with the thread grooves; the outer wall of sampling jar still is equipped with two intake pipes that are linked together with the sampling jar inner chamber, install the air inlet fan in the intake pipe.

As the utility model discloses preferred technical scheme, the supporting component includes the link of support and support top, two mutually opposite lateral walls of support and link all are the arc, the sampling tank is located the department between support and the link, through connecting bolt fixed connection between support and the link.

As the utility model discloses preferred technical scheme, the top of link has the handle closely to weld, the underrun bolt fixedly connected with two universal wheels of support.

As the utility model discloses preferred technical scheme, the whole of sealing strip is the annular, just sealing strip sampling rubber material is made.

As the utility model discloses preferred technical scheme, the baffle size with the size looks adaptation of sampling tank.

As the utility model discloses preferred technical scheme, the front end coaxial key-type connection of transmission shaft has the hand wheel.

As the utility model discloses preferred technical scheme, the inner chamber of sampling tank is located the both ends opening part and passes through bolt fixedly connected with backup pad, the both ends of transmission shaft are passed the backup pad and are passed through the bearing with the backup pad and rotate and be connected.

As the utility model discloses preferred technical scheme, through bolt fixedly connected with support in the air inlet pipe, the fan that admits air passes through bolt and support fixed connection.

As the utility model discloses preferred technical scheme, the opening part of intake pipe passes through bolt fixedly connected with collar, it has the fender net to bond closely on the collar.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the sampling tank that sets up: during sampling, a power supply of an air inlet fan is connected, the air inlet fan blows external air into a sampling tank, the air in the sampling tank is discharged to the outside through a plurality of air outlets, meanwhile, two baffles on two sides synchronously move relative to each other by rotating a transmission shaft, the air outlets are blocked by sealing plugs, and the air in the sampling tank can be stored between the two baffles; the design is convenient for sampling the outside air and storing the sampled air, so that the sampling operation is convenient, and the subsequent detection work is convenient;

2. through the supporting component who sets up: under the action of the support, the connecting frame, the universal wheels and the like, the device is convenient to support, and meanwhile, the portability of the device is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the sampling tank of the present invention;

FIG. 3 is a second schematic structural view of the sampling tank of the present invention;

FIG. 4 is an enlarged schematic view of part A of FIG. 2 according to the present invention;

FIG. 5 is a schematic structural view of a baffle plate of the present invention;

fig. 6 is an exploded schematic view of the middle support assembly of the present invention.

In the figure:

1. a sampling tank; 10. a guide rail; 11. an air outlet; 111. a sealing plug; 12. a fixing ring; 13. a support plate; 14. a drive shaft; 141. a thread groove; 142. a hand wheel; 15. a baffle plate; 151. a chute; 152. a sealing strip; 16. an air inlet pipe; 17. a support; 18. an air inlet fan; 19. a mounting ring; 191. blocking the net;

2. a support assembly; 21. a support; 22. a connecting frame; 23. a handle; 24. a connecting bolt; 25. a universal wheel.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The embodiment provides a technical scheme:

referring to fig. 1-5, a gas detection sampling device includes a sampling tank 1, two supporting components 2 for supporting the sampling tank 1 are disposed outside the sampling tank 1; a cavity for storing gas is arranged in the sampling tank 1, guide rails 10 are fixed on the inner wall of the sampling tank 1 close to two ends, the guide rails 10 are fixedly connected with the inner wall of the sampling tank 1 through rivets, a plurality of gas outlets 11 are arranged above the outer wall of the sampling tank 1, and sealing plugs 111 are in threaded connection with the gas outlets 11; through the gas outlet 11 that sets up, be convenient for discharge the gas in the sampling tank 1, and through the sealing plug 111 that sets up, be convenient for shutoff gas outlet 11 is convenient for store the air of sampling in the sampling tank 1.

Specifically, two symmetrical fixing rings 12 are arranged in an inner cavity of the sampling tank 1, the fixing rings 12 are tightly bonded with the inner wall of the sampling tank 1, one sides of the fixing rings 12 are respectively provided with a baffle 15 capable of moving along the inner cavity of the sampling tank 1, one side wall, close to the fixing rings 12, of each baffle 15 is fixedly provided with a sealing strip 152, the sealing strips 152 are tightly bonded with the baffles 15, the outer wall of each baffle 15 is provided with a sliding groove 151 in sliding connection with the corresponding guide rail 10, the sliding connection between the sliding grooves 151 and the corresponding guide rails 10 plays a role in guiding and limiting the movement of the baffles 15, when the transmission shaft 14 rotates, the two baffles 15 can move along the threaded grooves 141, and the situations that the two baffles 15 rotate or shake and the like are avoided; a transmission shaft 14 is arranged between the two baffles 15, thread grooves 141 are formed in the transmission shaft 14 close to the two ends, and the baffles 15 penetrate through the transmission shaft 14 and are in threaded connection with the thread grooves 141; by rotating the drive shaft 14, the two baffles 15 can be moved relatively within the sampling tank 1, facilitating the storage of the sampled air within the sampling tank 1 between the two baffles 15.

Specifically, the outer wall of the sampling tank 1 is also provided with two air inlet pipes 16 communicated with the inner cavity of the sampling tank 1, and an air inlet fan 18 is arranged in each air inlet pipe 16; the air inlet fan 18 and the air inlet pipe 16 are arranged, so that outside air can be conveniently conveyed into the sampling tank 1 for sampling.

Specifically, an opening of the air inlet pipe 16 is fixedly connected with a mounting ring 19 through a bolt, and a blocking net 191 is tightly bonded on the mounting ring 19; through the fender net 191 that sets up, can play the filtering action to the air of sampling, avoid foreign matter etc. to enter into to the sampling tank 1 in, avoid influencing the detection in later stage.

In this embodiment, the whole of sealing strip 152 is the annular, and sealing strip 152 sampling rubber material makes, and when two baffle 15 synchronous relative motion, sealing strip 152 can with the laminating of a lateral wall of solid fixed ring 12 mutually to improve the leakproofness that baffle 15 and solid fixed ring 12 are connected, be convenient for locate to store the sample air between two baffles 15 in sampling tank 1.

In this embodiment, the size of the baffle 15 is matched with the size of the sampling tank 1, and the design can improve the connection tightness between the baffle 15 and the inner cavity of the sampling tank 1, so that the sampling air can be conveniently stored between the two baffles 15 in the sampling tank 1.

In this embodiment, the front end of the transmission shaft 14 is connected with a hand wheel 142 through a coaxial key, and the arrangement of the hand wheel 142 facilitates the rotation of the transmission shaft 14, so that the design is humanized.

In this embodiment, the inner cavity of the sampling tank 1 is located at openings at two ends and is fixedly connected with a support plate 13 through a bolt, two ends of a transmission shaft 14 penetrate through the support plate 13 and are rotatably connected with the support plate 13 through a bearing, the transmission shaft 14 is supported by the support plate 13, and the transmission shaft 14 is convenient to stably rotate.

In this embodiment, a bracket 17 is fixedly connected to the air inlet pipe 16 through a bolt, the air inlet fan 18 is fixedly connected to the bracket 17 through a bolt, and the bracket 17 is convenient for mounting and fixing the air inlet fan 18.

Referring to fig. 6, two supporting members 2 for supporting the sampling tank 1 are provided outside the sampling tank 1. The support assembly 2 comprises a support 21 and a connecting frame 22 above the support 21, two opposite side walls of the support 21 and the connecting frame 22 are arc-shaped, the sampling tank 1 is positioned between the support 21 and the connecting frame 22, and the support 21 and the connecting frame 22 are fixedly connected through a connecting bolt 24; the support 21 and the connecting frame 22 are arranged, so that the sampling tank 1 is convenient to support and fix.

In this embodiment, the handle 23 is tightly welded at the top end of the connecting frame 22, the bottom surface of the support 21 is fixedly connected with two universal wheels 25 through bolts, and the pushing device can be moved conveniently through the arranged handle 23 and universal wheels 25, so that the portability of the device is improved.

When the sampling device is used, a user firstly rotates the hand wheel 142, the hand wheel 142 drives the transmission shaft 14 to rotate, along with the rotation of the transmission shaft 14, the two baffles 15 on the two sides move towards the two sides, the sliding groove 151 slides along the guide rail 10, when the baffles 15 move to one side of the air inlet pipe 16, and the two air inlet pipes 16 are communicated with a cavity between the two baffles 15 in the sampling tank 1, the user stops rotating the hand wheel 142, then the user switches on the power supply of the air inlet fan 18, the air inlet fan 18 starts to work, at the moment, external air enters the sampling tank 1 through the air inlet pipe 16, meanwhile, the air in the sampling tank 1 is discharged to the outside through the air outlets 11, then the user screws the hand wheel 111 on the air outlets 11, the air outlets 11 are blocked, meanwhile, the user rotates the transmission shaft 142 in the opposite direction, the hand wheel 142 drives the transmission shaft 14 to rotate in the opposite direction, at the moment, the two baffles 15 move inwards synchronously, when the sealing strips 152 abut against the fixing ring 12, the sampled air is stored between the two baffles 15 in the sampling tank 1, and sampling is completed.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a gaseous sampling device that detects, includes sampling tank (1), its characterized in that: two supporting components (2) for supporting the sampling tank (1) are arranged outside the sampling tank (1); a cavity for storing gas is formed in the sampling tank (1), guide rails (10) are fixed on the inner wall of the sampling tank (1) close to two ends of the sampling tank, a plurality of gas outlets (11) are formed in the upper portion of the outer wall of the sampling tank (1), and sealing plugs (111) are connected to the gas outlets (11) in a threaded manner;

the inner cavity of the sampling tank (1) is provided with two symmetrical fixing rings (12), one side of each fixing ring (12) is provided with a baffle (15) capable of moving along the inner cavity of the sampling tank (1), one side wall, close to the fixing rings (12), of each baffle (15) is fixedly provided with a sealing strip (152), and the outer wall of each baffle (15) is provided with a sliding chute (151) in sliding connection with the guide rail (10); a transmission shaft (14) is arranged between the two baffles (15), thread grooves (141) are formed in the transmission shaft (14) close to the two ends of the transmission shaft, and the baffles (15) penetrate through the transmission shaft (14) and are in threaded connection with the thread grooves (141); the outer wall of sampling jar (1) still is equipped with two intake pipe (16) that are linked together with sampling jar (1) inner chamber, install air inlet fan (18) in intake pipe (16).

2. The gas detection sampling device of claim 1, wherein: support assembly (2) are including link (22) of support (21) and support (21) top, two relative lateral walls of support (21) and link (22) all are the arc, sampling tank (1) are located and locate between support (21) and link (22), pass through connecting bolt (24) fixed connection between support (21) and link (22).

3. The gas detection sampling device of claim 2, wherein: the top end of the connecting frame (22) is tightly welded with a handle (23), and the bottom surface of the support (21) is fixedly connected with two universal wheels (25) through bolts.

4. The gas detection sampling device of claim 1, wherein: the whole sealing strip (152) is annular, just sealing strip (152) sample rubber material makes.

5. The gas detection sampling device of claim 1, wherein: the size of the baffle (15) is matched with that of the sampling tank (1).

6. The gas detection sampling device of claim 1, wherein: the front end of the transmission shaft (14) is connected with a hand wheel (142) through a coaxial key.

7. The gas detection sampling apparatus of claim 1, wherein: the inner cavity of the sampling tank (1) is positioned at openings at two ends and is fixedly connected with a supporting plate (13) through bolts, and two ends of the transmission shaft (14) penetrate through the supporting plate (13) and are rotatably connected with the supporting plate (13) through bearings.

8. The gas detection sampling apparatus of claim 1, wherein: the air inlet pipe (16) is internally and fixedly connected with a support (17) through a bolt, and the air inlet fan (18) is fixedly connected with the support (17) through a bolt.

9. The gas detection sampling device of claim 1, wherein: the opening of the air inlet pipe (16) is fixedly connected with a mounting ring (19) through a bolt, and a blocking net (191) is tightly bonded on the mounting ring (19).