CN216207945U - Soil gas collection system - Google Patents
Soil gas collection system Download PDFInfo
- Publication number
- CN216207945U CN216207945U CN202122650163.2U CN202122650163U CN216207945U CN 216207945 U CN216207945 U CN 216207945U CN 202122650163 U CN202122650163 U CN 202122650163U CN 216207945 U CN216207945 U CN 216207945U
- Authority
- CN
- China
- Prior art keywords
- core rod
- exhaust pipe
- drill bit
- air
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a soil gas collecting device, which relates to the technical field of gas sample collection and comprises a core rod and a sleeve, wherein a drill bit is fixedly arranged at the lower end of the core rod, the core rod is fixedly connected with the drill bit through a connecting rod, a breathable net is fixedly arranged between the core rod and the drill bit, a gas bin is arranged above the inner part of the core rod, the lower end of the gas bin is respectively and hermetically connected with an exhaust pipe and an exhaust pipe, a second one-way valve is hermetically arranged on the exhaust pipe, and a first one-way valve is hermetically arranged on the exhaust pipe; has the advantages that: the drill bit can be quickly inserted into the soil downwards by rotating the handle through the arrangement of the matching transmission of the clamping block and the clamping groove; the sleeve is arranged to move up and down along the core rod, so that the blockage caused by friction between the breathable net and the soil when the sleeve is inserted into the soil is avoided, and soil gas can be extracted after the sleeve is inserted into the soil; the piston plate and the air bin are arranged to form an air cylinder structure, so that air can be continuously pumped, and the air pumping quantity is ensured.
Description
Technical Field
The utility model relates to the technical field of gas sample collection, in particular to a soil gas collecting device.
Background
Soil gas is one of the important components of soil, the soil gas is basically derived from the atmosphere, but a small part of the soil gas is generated in the soil in a biochemical process, so that the soil gas detection method has great significance for plant growth and soil formation, the soil gas detection can know the air permeability of the soil, and the condition that the soil is polluted by certain pollutants can be indirectly reflected.
The method for collecting soil gas by using a positioning embedded sampling bottle at the earliest time has the defects of damaging a soil structure, wasting time and labor, and being incapable of collecting soil gas at any time and any place.
Therefore, how to create a soil gas sampling device capable of well isolating soil gas and air at a point to be detected, so as to avoid the influence of the gas content in the air on the soil gas detection value, improve the accuracy of the detection result, and become the target of great need for improvement in the current industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a soil gas collecting device.
The utility model realizes the purpose through the following technical scheme:
a soil gas collecting device comprises a core rod and a sleeve, wherein a drill bit is fixedly installed at the lower end of the core rod, the core rod is fixedly connected with the drill bit through a connecting rod, a breathable net is fixedly installed between the core rod and the drill bit, a gas bin is arranged above the interior of the core rod, the lower end of the gas bin is respectively connected with an exhaust pipe and an exhaust pipe in a sealing mode, a second one-way valve is installed on the exhaust pipe in a sealing mode, a first one-way valve is installed on the exhaust pipe in a sealing mode, the lower end of the exhaust pipe extends to a position between the core rod and the drill bit, one end, far away from the gas bin, of the exhaust pipe extends out of the upper portion of the core rod, a piston plate is movably arranged in the gas bin, an ejector rod is fixedly installed on the upper surface of the piston plate, a press block is fixedly installed on the upper end, extending out of the core rod, and a balance air pressure pipe is connected with the upper end of the gas bin in a sealing mode, the upper end of the balance air pressure pipe extends out of the upper portion of the core rod, a limiting ring is fixedly mounted on the upper portion of the core rod, a clamping groove is formed in the side face of the core rod, the clamping groove is L-shaped, the sleeve is sleeved on the core rod, a clamping block is fixedly mounted on the sleeve corresponding to the clamping groove, and a handle is fixedly mounted at the upper end of the sleeve.
Preferably: the drill bit is a spiral drill bit.
Preferably: the one-way conduction direction of the first one-way valve is that the air bin faces the exhaust pipe, and the one-way conduction direction of the second one-way valve is that the exhaust pipe faces the air bin.
Preferably: the outer diameter of the upper end of the drill bit is larger than the outer diameter of the sleeve.
Compared with the prior art, the utility model has the beneficial effects that: the drill bit can be quickly inserted into the soil downwards by rotating the handle through the arrangement of the matching transmission of the clamping block and the clamping groove; the sleeve is arranged to move up and down along the core rod, so that the blockage caused by friction between the breathable net and the soil when the sleeve is inserted into the soil is avoided, and soil gas can be extracted after the sleeve is inserted into the soil; the piston plate and the air bin are arranged to form an air cylinder structure, so that air can be continuously pumped, and the air pumping quantity is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a soil gas collection device according to the present invention.
FIG. 2 is a front view of a soil gas collection apparatus of the present invention.
FIG. 3 is a front view of a core rod of a soil gas collection device according to the present invention.
FIG. 4 is a front view of a sleeve of a soil gas collection device of the present invention.
FIG. 5 is a top view of a sleeve of a soil gas collection device according to the present invention.
The reference numerals are explained below:
1. a drill bit; 2. a connecting rod; 3. a breathable net; 4. a sleeve; 5. an air exhaust pipe; 6. a first check valve; 7. a second one-way valve; 8. a gas bin; 9. an exhaust pipe; 10. a piston plate; 11. a top rod; 12. a handle; 13. a balance pressure pipe; 14. a limiting ring; 15. a card slot; 16. and (7) clamping blocks.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the utility model, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.
The utility model will be further described with reference to the accompanying drawings in which:
as shown in figures 1-5, a soil gas collecting device comprises a core rod and a sleeve 4, wherein a drill bit 1 is fixedly arranged at the lower end of the core rod, the drill bit 1 is used for drilling, the core rod is fixedly connected with the drill bit 1 through a connecting rod 2, a breathable net 3 is fixedly arranged between the core rod and the drill bit 1, the breathable net 3 is used for ventilation, an air bin 8 is arranged above the interior of the core rod, the air bin 8 is used for air suction, the lower end of the air bin 8 is respectively and hermetically connected with an air suction pipe 5 and an air exhaust pipe 9, a second one-way valve 7 is hermetically arranged on the air suction pipe 5, a first one-way valve 6 is hermetically arranged on the air exhaust pipe 9, the first one-way valve 6 and the second one-way valve 7 are respectively used for one-way ventilation, the lower end of the air suction pipe 5 extends to a position between the core rod and the drill bit 1, one end of the air exhaust pipe 9 far away from the air bin 8 extends out of the upper part of the core rod, a piston plate 10 is movably arranged in the air bin 8, an ejector rod 11 is fixedly arranged on the upper surface of the piston plate 10, the ejector rod 11 is used for ejecting, a pressing block is fixedly installed at the upper end of the ejector rod 11, the pressing block is used for conveniently pressing and pulling the ejector rod 11, the upper end of the air bin 8 is hermetically connected with a balance air pressure pipe 13, the balance air pressure pipe 13 is used for balancing air pressure, the upper end of the balance air pressure pipe 13 extends out of the upper portion of the core rod, a limiting ring 14 is fixedly installed at the upper portion of the core rod, the limiting ring 14 is used for limiting, a clamping groove 15 is formed in the side face of the core rod, the clamping groove 15 is L-shaped, a sleeve 4 is sleeved on the core rod and used for sealing the sleeve 4, a clamping block 16 is fixedly installed on the sleeve 4 corresponding to the clamping groove 15, the clamping block 16 is matched with the clamping groove 15 for transmission, a handle 12 is fixedly installed at the upper end of the sleeve 4, and the handle 12 is used for conveniently rotating; the drill bit 1 is a spiral drill bit 1; the one-way conduction direction of the first one-way valve 6 is from the air bin 8 to the exhaust pipe 9, and the one-way conduction direction of the second one-way valve 7 is from the exhaust pipe 5 to the air bin 8; the external diameter of the upper end of the drill bit 1 is larger than that of the sleeve 4, and a gap between the soil and the breathable net 3 is reserved.
The working principle is as follows: during the use, insert drill bit 1 subaerial at the detection position, through rotating handle 12, the fixture block 16 card is driven in draw-in groove 15, drive drill bit 1 and bore into soil downwards, after reaching certain degree of depth, reverse rotation sleeve 4, then upwards draw, fixture block 16 slides in draw-in groove 15, sleeve 4 upwards moves, ventilative net 3 leaks in the soil horizon suddenly, through pulling ejector pin 11, piston plate 10 moves up, because the one-way conduction direction effect of first check valve 6 and second check valve 7, soil gas sees through ventilative net 3, is inhaled in the gas storehouse 8 through exhaust tube 5, then press ejector pin 11 down, soil gas detects in piston plate 10 moves down the gas storehouse 8 from blast pipe 9 row to detection device, the atmospheric pressure of balanced gas pressure pipe 13 balanced gas storehouse 8 upper portion and outside air's atmospheric pressure, be convenient for piston plate 10 activity.
The first non return valve 6 and the second non return valve 7 are all universal standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation, and thus will not be described herein too much.
While there have been shown and described what are at present considered to be the fundamental principles of the utility model, its essential features and advantages, it will be understood by those skilled in the art that the utility model is not limited by the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is to be accorded the full scope of the utility model as hereinafter claimed.
Claims (4)
1. The utility model provides a soil gas collection system, includes core bar and sleeve (4), its characterized in that: a drill bit (1) is fixedly installed at the lower end of the core rod, the core rod is fixedly connected with the drill bit (1) through a connecting rod (2), a breathable net (3) is fixedly installed between the core rod and the drill bit (1), an air bin (8) is arranged above the interior of the core rod, the lower end of the air bin (8) is respectively connected with an air exhaust pipe (5) and an air exhaust pipe (9) in a sealing mode, a second one-way valve (7) is installed on the air exhaust pipe (5) in a sealing mode, a first one-way valve (6) is installed on the air exhaust pipe (9) in a sealing mode, the lower end of the air exhaust pipe (5) extends between the core rod and the drill bit (1), one end, far away from the air bin (8), of the air exhaust pipe (9) extends out of the upper portion of the core rod, a piston plate (10) is movably arranged in the air bin (8), and an ejector rod (11) is fixedly installed on the upper surface of the piston plate (10), the push rod (11) is provided with a press block extending out of the upper end of the core rod, the upper end of the gas bin (8) is connected with a balance air pressure pipe (13) in a sealing mode, the upper end of the balance air pressure pipe (13) extends out of the upper portion of the core rod, a limiting ring (14) is fixedly mounted on the upper portion of the core rod, a clamping groove (15) is formed in the side face of the core rod, the clamping groove (15) is L-shaped, the sleeve (4) is sleeved on the core rod, a clamping block (16) is fixedly mounted on the sleeve (4) corresponding to the clamping groove (15), and a handle (12) is fixedly mounted at the upper end of the sleeve (4).
2. The soil gas collection device of claim 1, wherein: the drill bit (1) is a spiral drill bit (1).
3. The soil gas collection device of claim 1, wherein: the one-way conduction direction of the first one-way valve (6) is that the air bin (8) faces the exhaust pipe (9), and the one-way conduction direction of the second one-way valve (7) is that the exhaust pipe (5) faces the air bin (8).
4. The soil gas collection device of claim 1, wherein: the outer diameter of the upper end of the drill bit (1) is larger than that of the sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122650163.2U CN216207945U (en) | 2021-11-02 | 2021-11-02 | Soil gas collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122650163.2U CN216207945U (en) | 2021-11-02 | 2021-11-02 | Soil gas collection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216207945U true CN216207945U (en) | 2022-04-05 |
Family
ID=80898327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122650163.2U Active CN216207945U (en) | 2021-11-02 | 2021-11-02 | Soil gas collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216207945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117571400A (en) * | 2024-01-17 | 2024-02-20 | 内蒙古工业大学 | Deep CO of soil micro-leakage 2 Gas collection device and working method thereof |
-
2021
- 2021-11-02 CN CN202122650163.2U patent/CN216207945U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117571400A (en) * | 2024-01-17 | 2024-02-20 | 内蒙古工业大学 | Deep CO of soil micro-leakage 2 Gas collection device and working method thereof |
| CN117571400B (en) * | 2024-01-17 | 2024-03-29 | 内蒙古工业大学 | Deep CO of soil micro-leakage 2 Gas collection device and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216207945U (en) | Soil gas collection system | |
| CN111551406B (en) | Anti-mixing shock-insulation type building foundation gas sample collector | |
| CN208187753U (en) | A kind of soil test soil sample collector | |
| CN105382301A (en) | Circular-arc part punching system for building | |
| CN102788717A (en) | Multifunctional in situ soil and soil solution collector | |
| CN210572607U (en) | Intelligent chip detection equipment | |
| CN217930695U (en) | Vacuum is pushed down frame electronic product and is detected smelting tool | |
| CN207423596U (en) | A kind of chemical industry measurement sampler | |
| CN216978415U (en) | A soil sampling device for soil property monitoring for environmental protection engineering | |
| CN105547748B (en) | Bottom sediment pore water hydraulic device | |
| CN213779551U (en) | Deep soil sampling device | |
| CN210260078U (en) | Forward and reverse identification conveying device for rod parts with different shapes of two end faces | |
| CN109932222B (en) | Gas collecting device for collecting gas in battery | |
| CN221260529U (en) | Sampler for food detection | |
| CN202216631U (en) | Shaft detecting tool | |
| CN219977899U (en) | Atmosphere monitoring gas collection system | |
| CN219590025U (en) | Negative pressure sampling device for liquid food detection | |
| CN211904818U (en) | Soil gas extraction device | |
| CN213810837U (en) | Energy-saving deep well pump device for ground source heat pump heating system | |
| CN218331511U (en) | Portable water quality testing device | |
| CN212340768U (en) | Liquid filling device for U-shaped porous glass plate absorption tube | |
| CN217384898U (en) | Special drilling and mining integrated sampling assembly for portable soil radon measurement | |
| CN221302901U (en) | Gas sampling device | |
| CN204165791U (en) | Resin sampler | |
| CN203949896U (en) | The automatic sampler of coulometry micro-water analyzer and injector sampling assemble |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |