CN220671055U

CN220671055U - Gas sampling device for exhaust gas detection

Info

Publication number: CN220671055U
Application number: CN202322271421.5U
Authority: CN
Inventors: 蔡允; 芦文晓; 齐新霞
Original assignee: Shandong Zhixinda Testing Technology Service Co ltd
Current assignee: Shandong Zhixinda Testing Technology Service Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-03-26
Anticipated expiration: 2033-08-23

Abstract

The utility model relates to the technical field of gas sampling and discloses a gas sampling device for waste gas detection, which comprises a first exhaust pipe, wherein the inner wall of the first exhaust pipe is connected with a second piston in a sliding manner, the bottom end of the second piston is fixedly connected with a second connecting rod, the bottom end of the second connecting rod penetrates through the bottom wall of the first exhaust pipe, the periphery of the first exhaust pipe is fixedly connected with uniformly distributed fixing pipes, connecting pipes are arranged on the periphery of one end, far away from the first exhaust pipe, of the fixing pipes, one end, far away from the fixing pipes, of each connecting pipe is fixedly connected with the second exhaust pipe, and the second exhaust pipe is internally and fixedly connected with the first piston in a sliding manner. According to the utility model, the body can be pumped into the first exhaust pipe by pulling the second connecting rod, and then the first connecting rod on the second exhaust pipe to be stored can be pulled to pump the gas collected in the first exhaust pipe into the second exhaust pipe for storage, so that the gas at different positions can be pumped and stored through the second exhaust pipes, and the use is more convenient.

Description

Gas sampling device for exhaust gas detection

Technical Field

The utility model relates to the technical field of gas sampling, in particular to a gas sampling device for waste gas detection.

Background

The gas sampling is a process of collecting pollutant samples or polluted air samples in the atmosphere, at present, along with the high-speed development of society, more and more toxic and harmful waste gases are discharged in the production and living processes of people, especially the gases discharged by part of chemical plants, steel plants, pharmaceutical factories and the like in production activities, and the gases contain carbon monoxide, sulfur monoxide, dust, solid particles and the like, which can seriously affect the air quality and the human health, so that related departments can regularly sample the gases nearby to analyze and detect whether the content of each substance in the gases accords with the standard.

At present traditional gas sampling device is when taking a sample waste gas, often single can only gather the sample and preserve single place, be inconvenient for sampling and classify the gas in different places and preserve, if take a plurality of devices to use, greatly reduced portability, simultaneously at the in-process to gas sampling, partial sampling device can be provided with the filter screen in air inlet department, prevent in the great impurity admission pipe, however this type of filter screen structure often is fixed, after taking a sample waste gas for a long time, a large amount of particulate matters in the waste gas can adhere on the filter screen and be difficult for the clearance, thereby cause the influence to the gas of collecting.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a gas sampling device for waste gas detection, which solves the problems that the traditional gas sampling device can only sample a single place at a time, the efficiency is low, and meanwhile, a filter screen on the sampling device is inconvenient to replace.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a gaseous sampling device for exhaust gas detection, includes exhaust tube one, an exhaust tube inner wall sliding connection has piston two, piston two bottom fixedly connected with connecting rod two, exhaust tube one diapire is run through to connecting rod two bottom, an exhaust tube periphery fixedly connected with evenly distributed's fixed pipe, exhaust tube one end periphery all is provided with the connecting pipe is kept away from to the fixed pipe, the equal fixedly connected with exhaust tube two of fixed pipe one end is kept away from to the connecting pipe, equal sliding connection has piston one in the exhaust tube two, equal fixedly connected with connecting rod one in piston one bottom, two diapire of exhaust tube are all run through to connecting rod one bottom.

As a further description of the above technical solution:

the exhaust pipe is characterized in that a clamping groove is formed in the top end of the exhaust pipe, a fixing groove is formed in the inner bottom wall of the clamping groove, a fixing plate is connected in the fixing groove in a sliding mode, a filter plate is fixedly connected to the top end of the fixing plate, fixing pieces are connected to two sides of the periphery of the upper portion of the exhaust pipe in a threaded mode, and one ends, close to each other, of the fixing pieces penetrate through the fixing plate.

As a further description of the above technical solution:

the first end of the exhaust pipe is connected with an end cover through threads.

As a further description of the above technical solution:

the filter block is at the draw-in groove inner wall.

As a further description of the above technical solution:

positioning grooves are formed in two sides of the inner wall of the clamping groove, positioning blocks are connected in the positioning grooves in a sliding mode, and the positioning blocks are fixedly connected with the filter plates.

As a further description of the above technical solution:

valves are arranged on the peripheries of the connecting pipes, and the connecting pipes are in threaded connection with the fixed pipes.

As a further description of the above technical solution:

the periphery of the exhaust tube is fixedly connected with a visual window.

The utility model has the following beneficial effects:

according to the utility model, the body can be pumped into the exhaust pipe I by pulling the connecting rod II, and then the connecting rod I on the exhaust pipe II to be stored can drive the piston I in the exhaust pipe II to move downwards, so that the gas collected in the exhaust pipe I can be pumped into the exhaust pipe II, the valve is screwed to seal and store the exhaust pipe II, and the gases at different positions can be pumped and stored through the exhaust pipes II, so that the exhaust pipe is more convenient to use.

According to the utility model, the extracted gas can be filtered through the filter plate, so that the entry of impurities is prevented, when the filter plate needs to be replaced, the filter plate can be extracted for replacement only by screwing the fixing piece to separate from the fixing plate, the fixing plate is inserted into the fixing groove after replacement, and the fixing piece is screwed to fix the replaced filter plate, so that the effect of being convenient for replacing the filter plate is achieved.

Drawings

FIG. 1 is a front perspective view of a gas sampling apparatus for detecting exhaust gas according to the present utility model;

FIG. 2 is a front partial cross-sectional view of a gas sampling apparatus for exhaust gas detection according to the present utility model;

fig. 3 is an enlarged view at a in fig. 2.

Legend description:

1. an exhaust pipe I; 2. a connecting pipe; 3. a valve; 4. an end cap; 5. a fixing member; 6. a fixed tube; 7. a visual window; 8. an exhaust pipe II; 9. a first connecting rod; 10. a fixed block; 11. a positioning block; 12. a second connecting rod; 13. a first piston; 14. a second piston; 15. a filter plate; 16. a positioning groove; 17. a clamping groove; 18. a fixing groove; 19. and a fixing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a gaseous sampling device for exhaust gas detection, including exhaust tube one 1, exhaust tube one 1 inner wall sliding connection has piston two 14, piston two 14 bottom fixedly connected with connecting rod two 12, connecting rod two 12 bottom runs through exhaust tube one 1 diapire, can drive piston two 14 downwardly moving through pulling connecting rod two 12, can be with the gaseous suction exhaust tube one 1 of waiting to detect in, exhaust tube one 1 periphery fixedly connected with evenly distributed's fixed tube 6, fixed tube 6 is kept away from exhaust tube one 1 one end periphery all is provided with connecting pipe 2, connecting pipe 2 is kept away from fixed tube 6 one end all fixedly connected with exhaust tube two 8, all sliding connection has piston one 13 in the exhaust tube two 8, piston one 13 bottom all fixedly connected with connecting rod one 9, connecting rod one 9 bottom all runs through exhaust tube two 8 diapire, can drive piston one 13 downwardly moving in this exhaust tube two 8 through pulling connecting rod one 9 on one of them 8, thereby can keep the gaseous that collects in the exhaust tube one 1 through fixed tube 6 and connecting pipe 2 to deposit in this exhaust tube two 8, through being provided with a plurality of exhaust tubes 8 and can realize the different sampling effect of gas to the realization of exhaust tube two places.

The top end of the exhaust pipe I1 is provided with a clamping groove 17, the inner bottom wall of the clamping groove 17 is provided with a fixing groove 18, a fixing plate 19 is slidably connected in the fixing groove 18, the top end of the fixing plate 19 is fixedly connected with a filter plate 15, both sides of the periphery of the upper part of the exhaust pipe I1 are respectively connected with a fixing piece 5 in a threaded manner, one end of each fixing piece 5 is close to the other and penetrates into the fixing plate 19, the extracted gas can be filtered through the filter plate 15 to prevent the entry of impurities, the exhaust pipe I1 or the exhaust pipe II 8 is blocked, meanwhile, when the exhaust pipe I is used for a long time, impurity particles in waste gas are adhered to the filter plate 15, at the moment, the fixing pieces 5 are screwed out of the fixing plate 19, the filter plate 15 and the fixing plate 19 can be extracted from the fixing groove 18, the fixing pieces 5 are screwed into the fixing groove 18 after replacement, and the replacement filter plate 15 can be fixed, so that the filter plate 15 is convenient to replace, the bottom ends of the connecting rod I9 and the connecting rod II 12 are fixedly connected with the fixing block 10, the outer periphery of the top end of the exhaust pipe I1 is connected with the end cover 4 in a threaded manner, the connecting rod I9 and the connecting rod II 12 can be pulled by a user conveniently through the fixing block 10, the interior of the exhaust pipe I1 can be sealed after the exhaust pipe I1 is extracted by the end cover 4, the filter plate 15 is clamped on the inner wall of the clamping groove 17, the top surface of the filter plate 15 and the top surface of the exhaust pipe I1 can be positioned on the same plane through clamping the filter plate 15 by clamping the clamping groove 17, positioning grooves 16 are respectively arranged on two sides of the inner wall of the clamping groove 17, positioning blocks 11 are respectively connected with the filter plate 15 in a sliding manner in the positioning grooves 16, the positioning blocks 11 are respectively fixedly connected with the filter plate 15, the positioning blocks 11 and the positioning grooves 16 are respectively arranged, the positioning blocks can be limited when the fixing plates 19 are inserted into the fixing grooves 18, the fixing pieces 5 can be screwed into the fixing plates 19, the connecting pipe 2 periphery all is provided with valve 3, and connecting pipe 2 all seals each exhaust tube two 8 through being provided with valve 3 with fixed pipe 6 threaded connection to connect through the screw thread, can take off alone and deposit the exhaust tube two 8 of collecting the gas, it is more convenient to use, and the equal fixedly connected with of exhaust tube two 8 periphery is visual window 7, is convenient for observe the condition in the exhaust tube two 8 through visual window 7, knows the position of piston one 13 to and the adhesion condition of inner wall impurity granule.

Working principle: in the practical use process, the piston II 14 can be driven to move downwards by pulling the connecting rod II 12, the gas to be detected can be pumped into the exhaust pipe I1, then the valve 3 on the exhaust pipe II 8 to be stored is opened, the piston I13 in the exhaust pipe II 8 can be driven to move downwards by pulling the connecting rod II 9 on the exhaust pipe II 8, the gas collected in the exhaust pipe I1 can be pumped into the exhaust pipe II 8, the valve 3 is screwed again to seal the exhaust pipe II 8, so that the internal gas is stored, then the connecting rod II 12 is pushed to drive the piston II 14 to move upwards to discharge the gas in the exhaust pipe I1, the influence on the gas sampled at the next position is reduced, thereby reach simple structure, and can extract and deposit the gas of different positions, it is more convenient to use, exhaust tube one 1 can filter the gaseous in-process of extraction through filter 15, prevent the entering of impurity, block up exhaust tube one 1 or exhaust tube two 8, simultaneously after using for a long time, there is the impurity granule adhesion in the waste gas on filter 15, twist mounting 5 and break away from fixed plate 19 this moment, can take filter 15 and fixed plate 19 out from fixed slot 18 and change, insert the fixed slot 18 with it again after changing, and screw in mounting 5 can fix the filter 15 of changing, reach the effect of being convenient for change filter 15.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a gaseous sampling device for exhaust gas detection, includes exhaust tube one (1), its characterized in that: the novel exhaust pipe is characterized in that a piston II (14) is slidably connected to the inner wall of the exhaust pipe I (1), a connecting rod II (12) is fixedly connected to the bottom end of the piston II (14), the bottom end of the connecting rod II (12) penetrates through the bottom wall of the exhaust pipe I (1), a fixing pipe (6) which is uniformly distributed is fixedly connected to the periphery of the exhaust pipe I (1), a connecting pipe (2) is arranged on the periphery of one end of the fixing pipe (6) away from the exhaust pipe I (1), an exhaust pipe II (8) is fixedly connected to one end of the connecting pipe (2) away from the fixing pipe (6), a piston I (13) is fixedly connected to the bottom end of the piston I (13), and a connecting rod I (9) is fixedly connected to the bottom wall of the exhaust pipe II (8).

2. The exhaust gas sampling apparatus according to claim 1, wherein: the utility model discloses a suction tube, including exhaust tube (1), fixed plate (19), filter (15), mounting (5) are all screwed on exhaust tube (1) upper portion periphery both sides, mounting (5) are close to one end mutually and all run through in fixed plate (19), suction tube (1) top is provided with draw-in groove (17), the interior bottom wall of draw-in groove (17) is provided with fixed slot (18), sliding connection has fixed plate (19) in fixed slot (18), fixed plate (19) top fixedly connected with filter.

3. The exhaust gas sampling apparatus according to claim 1, wherein: the bottom ends of the first connecting rod (9) and the second connecting rod (12) are fixedly connected with a fixed block (10), and the periphery of the top end of the first exhaust pipe (1) is connected with an end cover (4) through threads.

4. The exhaust gas sampling apparatus according to claim 2, wherein: the filter plate (15) is clamped on the inner wall of the clamping groove (17).

5. The exhaust gas sampling apparatus according to claim 2, wherein: positioning grooves (16) are formed in two sides of the inner wall of the clamping groove (17), positioning blocks (11) are slidably connected in the positioning grooves (16), and the positioning blocks (11) are fixedly connected with the filter plates (15).

6. The exhaust gas sampling apparatus according to claim 1, wherein: the periphery of the connecting pipe (2) is provided with a valve (3), and the connecting pipe (2) is in threaded connection with the fixed pipe (6).

7. The exhaust gas sampling apparatus according to claim 1, wherein: the periphery of the exhaust pipe II (8) is fixedly connected with a visual window (7).