Environment detection pollution gas extraction device

By designing a device that includes a movable tube, a filter structure, and a support tube, the problems of particulate matter leakage and low sampling efficiency in gas extraction devices were solved, achieving the effects of gas filtration and simultaneous sampling of various types.

CN224303387UActive Publication Date: 2026-05-29HENAN INST OF POLITICAL INSPECTION & TESTING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN INST OF POLITICAL INSPECTION & TESTING CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing environmental monitoring devices for extracting polluting gases are prone to leakage due to particulate matter entering the one-way valve, and the sampling operation is cumbersome and inefficient.

Method used

A device comprising a movable tube, a filter structure, a support tube, and a ball valve was designed. It filters particulate matter through a filter screen and supports simultaneous sampling by multiple sampling heads. The filter structure is easy to disassemble using a cover plate and a buckle, and interference is prevented by the combination of a support plate and a partition plate.

Benefits of technology

It achieves effective gas filtration, prevents leakage, simplifies the operation process, and improves sampling efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an environmental detection pollution gas extraction device relates to gas extraction technical field, including the connecting shell, the inside fixed connection of connecting shell has the gas pump, one side fixed connection of gas pump has the fixed pipe, the inside of fixed pipe is provided with the movable pipe, the inside provided with filter structure of movable pipe, one end fixed connection of fixed pipe has the suction head, the upper portion of fixed pipe is hinged to have the apron, the other end fixed connection of gas pump has the transmission pipe, one side fixed connection of transmission pipe has the support pipe. The utility model discloses the setting of movable pipe, connecting groove, connecting ring and filter screen has the effect of sucking gas filter particle, through the cooperation setting of movable pipe, baffle, fixed ring, buckle and apron, can clean the particle after filtering in the process of using to the effect of filter structure edge dismounting, reaches the purpose that extraction device carries out the filtration to the gas.
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Description

Technical Field

[0001] This utility model relates to the field of gas extraction technology, specifically to an environmental monitoring and pollution gas extraction device. Background Technology

[0002] Currently, existing environmental monitoring gas extraction devices typically extract ambient gas and feed it into a sampling bag or bottle via a one-way inlet structure. During sampling, because the extraction device directly draws the gas into the sampling structure, and the gas often contains floating particulate matter, these particles can easily enter the one-way valve, causing valve jamming, wear on the sealing surface, or incomplete closure, resulting in device leakage and affecting sampling accuracy. Furthermore, the extraction device cannot filter the gas. To ensure accurate testing, multiple samplings are required depending on the situation. Existing extraction devices mostly use a single-channel design, requiring repeated start-stop cycles to change sampling bags or bottles, leading to cumbersome operation, long processing times, and low extraction efficiency. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this invention provides an environmental monitoring and pollution gas extraction device, which solves the problems mentioned in the background section.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: It includes a connecting shell, inside which an air pump is fixedly connected; a fixed pipe is fixedly connected to one side of the air pump; a movable pipe is provided inside the fixed pipe; a filter structure is provided inside the movable pipe; a suction head is fixedly connected to one end of the fixed pipe; a cover plate is hinged to the upper part of the fixed pipe; a transmission pipe is fixedly connected to the other end of the air pump; a support pipe is fixedly connected to one side of the transmission pipe; a connecting structure is provided at the lower part of the support pipe; a ball valve is rotatably connected inside the connecting structure; a support plate is fixedly connected to the lower part of the connecting shell; and a partition plate is fixedly connected to the upper part of the support plate.

[0007] Optionally, the inner side of the cover plate is fitted with the fixing tube, and a buckle is provided on one side of the fixing tube, with one side of the buckle connected to the cover plate.

[0008] Optionally, the fixing pipe and the transmission pipe are respectively connected to both sides of the connecting shell, and a storage battery is fixedly connected to the lower part of the connecting shell. The storage battery is connected to the air pump through wires.

[0009] Optionally, the movable tube is composed of two half-tubes, the two ends of the movable tube are fixed by fixing rings, the front end of the movable tube is provided with a baffle, and the outer side of the baffle is provided with a chamfer.

[0010] Optionally, the movable tube has a connecting groove inside, which is connected to the connecting ring of the filter structure, and the connecting ring has a filter screen inside.

[0011] Optionally, the connection structure consists of a connecting pipe and a connector, the connector being connected to the connection structure of the sampling device, the ball valve being located inside the connecting pipe, and the upper part of the connecting pipe being connected to the support pipe.

[0012] This utility model provides an environmental monitoring and pollutant gas extraction device, which has the following beneficial effects:

[0013] 1. This environmental monitoring and pollution gas extraction device, through the arrangement of movable pipe, connecting groove, connecting ring and filter screen, has the effect of extracting gas and filtering particles. Through the cooperation of movable pipe, baffle, fixed ring, buckle and cover plate, the filtered particles can be cleaned during use, thus achieving the function of disassembling the filter structure edge, and achieving the purpose of gas filtration by the extraction device.

[0014] 2. This environmental monitoring and pollution gas extraction device, through the setting of support pipe, connecting pipe, ball valve and connector, has the effect of setting multiple sampling heads for simultaneous sampling. Through the cooperation of support plate and partition plate, it can support the sampling structure during use, thereby facilitating simultaneous sampling of multiple samples and achieving the purpose of high extraction efficiency. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a three-dimensional cross-sectional structural diagram of the present invention;

[0017] Figure 3 This is a structural schematic diagram of the cross-section of the fixed tube of this utility model;

[0018] Figure 4 This is an exploded view of the cross-section of the filter structure of this utility model;

[0019] Figure 5 This is a schematic diagram of the cross-section of the connection structure of this utility model;

[0020] Figure 6 This is a structural schematic diagram of the cross-section of the connecting pipe of this utility model.

[0021] In the diagram: 1. Connecting shell; 2. Transmission pipe; 3. Support pipe; 4. Connecting pipe; 5. Ball valve; 6. Connector; 7. Divider plate; 8. Support plate; 9. Air pump; 10. Battery; 11. Fixing pipe; 12. Filter screen; 13. Connecting ring; 14. Movable pipe; 15. Fixing ring; 16. Suction head; 17. Cover plate; 18. Buckle; 19. Baffle; 20. Connecting groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Example

[0024] Please see Figures 1 to 6 The present invention provides a technical solution including a connecting shell 1, an air pump 9 fixedly connected inside the connecting shell 1, a fixed pipe 11 fixedly connected to one side of the air pump 9, a movable pipe 14 provided inside the fixed pipe 11, a filter structure provided inside the movable pipe 14, a suction head 16 fixedly connected to one end of the fixed pipe 11, a cover plate 17 hinged to the upper part of the fixed pipe 11, a transmission pipe 2 fixedly connected to the other end of the air pump 9, a support pipe 3 fixedly connected to one side of the transmission pipe 2, a connecting structure provided at the lower part of the support pipe 3, a ball valve 5 rotatably connected inside the connecting structure, a support plate 8 fixedly connected to the lower part of the connecting shell 1, and a partition plate 7 fixedly connected to the upper part of the support plate 8.

[0025] Specifically, the movable tube 14 is closely wrapped by the fixed tube 11 and the cover plate 17, and the connection structure is a linear array distribution. The ball valve 5 has an exposed manual knob on the top, and the knob surface has a switch mark for easy and quick operation.

[0026] Please see Figure 1 , Figure 3 The inner side of the cover plate 17 is fitted with the fixing tube 11, and a buckle 18 is provided on one side of the fixing tube 11. One side of the buckle 18 is connected to the cover plate 17.

[0027] Specifically, the buckle 18 consists of a fixing plate, a pull rod, and a support spring. The support spring and the pull rod are located inside the fixing tube 11. The upper part of the fixing plate is chamfered, and the inner side of the fixing plate is in contact with the cover plate 17.

[0028] Please refer to Figure 1 to Figure 2 The fixed pipe 11 and the transmission pipe 2 are respectively connected to the two sides of the connecting shell 1. The lower part of the connecting shell 1 is fixedly connected to the storage battery 10, and the storage battery 10 is connected to the air pump 9 through wires.

[0029] Specifically, the fixed pipe 11 corresponds to the position of the transmission pipe 2, and the control switch for the air pump 9 is located on one side of the battery 10.

[0030] Please see Figures 2 to 4 The movable tube 14 is composed of two half tubes. The two ends of the movable tube 14 are fixed by the fixing ring 15. A baffle 19 is provided at the front end of the movable tube 14, and the outer side of the baffle 19 is chamfered.

[0031] Specifically, the fixed ring 15 has internal threads, and the two ends of the movable tube 14 have threads that connect to the fixed ring 15.

[0032] Please refer to Figure 2 to Figure 4 The active tube 14 has a connecting groove 20 inside, which is connected to the connecting ring 13 of the filter structure. The connecting ring 13 has a filter screen 12 inside.

[0033] Specifically, the connecting groove 20 fits closely with the connecting ring 13, and the filter holes of the filter screen 12 gradually decrease towards the side of the air pump 9.

[0034] Please see Figures 1 to 2 , Figure 5 , Figure 6 The connection structure consists of a connecting pipe 4 and a connector 6. The connector 6 is connected to the connection structure of the sampling device. The ball valve 5 is located inside the connecting pipe 4. The upper part of the connecting pipe 4 is connected to the support pipe 3.

[0035] During use, the control structure starts the air pump 9, which draws in gas through the suction head 16. The gas enters the fixed tube 11 and then the movable tube 14. It passes through the internal filter screen 12, which gradually decreases in size to filter gas particles. The movable tube 14, connecting groove 20, connecting ring 13, and filter screen 12 together effectively draw in and filter gas particles. After use, the buckle 18 is opened, allowing the cover plate 17 to rotate around the hinge, exposing the movable tube 14. The movable tube 14 is then removed, and the baffle 19 blocks particles from the front end of the movable tube 14. To prevent leakage, place the movable tube 14 at the collection structure, rotate the fixing ring 15 of the movable tube 14, and separate it from the movable tube 14 through the thread. The movable tube 14 is no longer restricted and separates into two half tubes. Then, take out the internal connecting ring 13 and clean the particles inside the movable tube 14. After cleaning, place the connecting ring 13 in the connecting groove 20 for limiting. Through the cooperation of the movable tube 14, baffle 19, fixing ring 15, buckle 18 and cover plate 17, the filtered particles can be cleaned during use, thereby achieving the function of disassembling the edge of the filter structure and achieving the purpose of the extraction device to filter the gas.

[0036] Connect the one-way valve of the sampling structure to the connector 6. Connect the corresponding number of connectors 6 according to the number of samples to be collected. Then rotate and open the corresponding ball valve 5. The air pump 9 delivers the filtered gas to the transmission pipe 2. After being separated by the support pipe 3, the gas enters multiple connecting pipes 4 and then enters the sampling structure through the connector 6. The arrangement of the support pipe 3, connecting pipes 4, ball valve 5, and connector 6 enables the simultaneous sampling of multiple sampling heads. Since it is inconvenient to fix the sampling structure when there are many samples, the sampling structure is placed on the support plate 8 and separated by the partition plate 7 to prevent mutual interference. The combination of the support plate 8 and the partition plate 7 provides support for the sampling structure during use, thereby facilitating simultaneous sampling of multiple samples and achieving high extraction efficiency.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An environmental monitoring and pollution gas extraction device, comprising a connecting shell (1), characterized in that: An air pump (9) is fixedly connected inside the connecting shell (1). A fixed pipe (11) is fixedly connected to one side of the air pump (9). A movable pipe (14) is provided inside the fixed pipe (11). A filter structure is provided inside the movable pipe (14). A suction head (16) is fixedly connected to one end of the fixed pipe (11). A cover plate (17) is hinged to the upper part of the fixed pipe (11). A transmission pipe (2) is fixedly connected to the other end of the air pump (9). A support pipe (3) is fixedly connected to one side of the transmission pipe (2). A connecting structure is provided at the lower part of the support pipe (3). A ball valve (5) is rotatably connected inside the connecting structure. A support plate (8) is fixedly connected to the lower part of the connecting shell (1). A partition plate (7) is fixedly connected to the upper part of the support plate (8).

2. The environmental monitoring and pollution gas extraction device according to claim 1, characterized in that: The inner side of the cover plate (17) is fitted with the fixing tube (11), and a buckle (18) is provided on one side of the fixing tube (11), and one side of the buckle (18) is connected to the cover plate (17).

3. The environmental monitoring and pollution gas extraction device according to claim 1, characterized in that: The fixed pipe (11) and the transmission pipe (2) are respectively connected to the two sides of the connecting shell (1). The lower part of the connecting shell (1) is fixedly connected to the storage battery (10), and the storage battery (10) is connected to the air pump (9) through the wire.

4. The environmental monitoring and pollution gas extraction device according to claim 1, characterized in that: The movable tube (14) is composed of two half tubes. The two ends of the movable tube (14) are fixed by fixing rings (15). A baffle (19) is provided at the front end of the movable tube (14), and a chamfer is provided on the outer side of the baffle (19).

5. The environmental monitoring and pollution gas extraction device according to claim 1, characterized in that: The movable tube (14) has a connecting groove (20) inside, which is connected to the connecting ring (13) of the filter structure. The connecting ring (13) has a filter screen (12) inside.

6. The environmental monitoring and pollution gas extraction device according to claim 1, characterized in that: The connection structure consists of a connecting pipe (4) and a connector (6). The connector (6) is connected to the connection structure of the sampling device. The ball valve (5) is located inside the connecting pipe (4). The upper part of the connecting pipe (4) is connected to the support pipe (3).