CN216484193U

CN216484193U - Novel soil gas sampler

Info

Publication number: CN216484193U
Application number: CN202122170952.6U
Authority: CN
Inventors: 厉明
Original assignee: Anhui Heju Environmental Testing Technology Co ltd
Current assignee: Anhui Heju Environmental Testing Technology Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-05-10
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a novel soil gas sampler, which comprises a gas storage pipe, wherein the bottom opening end of the gas storage pipe is detachably connected with an upper ring sleeve, the bottom wall of the upper ring sleeve is provided with a lower ring sleeve which is of an integrated structure, the lower ring sleeve is detachably connected with the top opening end of a sampling pipe, the gas storage pipe and the sampling pipe are internally and continuously inserted and connected with a screw rod shaft, the upper end and the lower end of the screw rod shaft are respectively in threaded fit with an upper piston plate and a lower piston plate, the ends of the circumferential plates of the upper piston plate and the lower piston plate are respectively provided with a plurality of convex upper sliding blocks and lower sliding blocks, the circumferential inner walls of the gas storage pipe and the sampling pipe are respectively provided with a plurality of upper strip-shaped sliding chutes and lower strip-shaped sliding chutes, the upper sliding blocks and the lower sliding blocks are respectively and slidably connected into the upper strip-shaped sliding chutes and the lower strip-shaped sliding chutes, and a plurality of gas inlet holes are uniformly distributed on the circumferential side wall of the sampling pipe. By adopting the technical scheme, the device has the advantages of simple structure, convenience in assembly and installation, realization of sealing of soil sampling gas, capability of accurately detecting gas in soil and convenience in operation and application.

Description

Novel soil gas sampler

Technical Field

The utility model relates to the technical field of soil sampling gas, in particular to a novel soil gas sampler.

Background

Soil gas is one of the important constituents of soil, and is basically derived from the atmosphere, but is also produced in the soil in a small part by biochemical processes, and is of great significance to plant growth and soil formation. The air permeability of the soil can be known by detecting the soil air, and the condition that the soil is polluted by certain pollutants can be indirectly reflected.

When current soil gas sample thief used, insert through the sample thief and establish into below the soil earth's surface, take out the gas that contains in the soil through bleeding, nevertheless after the sample thief is extracted the soil, cause sampling gas and air composition cross mixing easily, cause the sampling to detect the accuracy relatively poor, be not convenient for operate and use, consequently, we design a novel soil gas sample thief.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model discloses a novel soil gas sampler.

The utility model discloses a novel soil gas sampler, which comprises a gas storage pipe and an upper ring sleeve, wherein the bottom opening end of the gas storage pipe is detachably connected with the upper ring sleeve, the bottom wall of the upper ring sleeve is provided with a lower ring sleeve of an integrated structure, the top opening end of a sampling pipe is detachably connected in the lower ring sleeve, a screw shaft is inserted and connected in the gas storage pipe and the sampling pipe in a through-long way, the middle position of the upper ring sleeve is provided with a gas suction hole, the gas suction hole is formed and connected with the screw shaft in an avoiding and inserting way, the upper end and the lower end of the screw shaft are respectively connected with an upper piston plate and a lower piston plate in a threaded fit way, the circumferential plate ends of the upper piston plate and the lower piston plate are respectively provided with a plurality of convex upper sliding blocks and lower sliding blocks, the circumferential inner walls of the gas storage pipe and the sampling pipe are respectively provided with a plurality of upper strip-shaped sliding chutes and lower strip-shaped sliding chutes, and the upper sliding blocks and the lower sliding blocks are respectively connected with the upper strip-shaped sliding chutes and the upper sliding chutes and the lower sliding chutes, In the lower strip-shaped sliding chute, a plurality of air inlets are uniformly distributed on the circumferential side wall of the sampling pipe.

Preferably, the diameters of the upper piston plate and the lower piston plate are respectively consistent with the inner diameters of the gas storage pipe and the sampling pipe.

Preferably, the top end of the air storage pipe is provided with a bearing sleeve of an integrated structure, and the bearing sleeve is connected with the screw rod shaft in a rotating fit mode through a rolling bearing.

Preferably, the top end of the screw shaft is fixedly connected with a handle.

Preferably, the bottom end of the sampling pipe is provided with a conical head end of an integrated structure, the conical head end is provided with a groove, and the groove is connected with a screw rod shaft in a rotating fit mode.

Preferably, deposit and be equipped with external screw thread on the tracheal bottom outer wall, be equipped with internal thread screw thread on the inner wall of upper ring cover, deposit between trachea and the upper ring cover looks screw-thread fit connection.

Preferably, be equipped with the external screw thread on the top outer wall of sampling pipe, be equipped with the internal thread screw thread on the inner wall of lower ring cover, sampling pipe and lower ring cover between looks screw-thread fit connection.

The beneficial effects are that: its simple structure, assembly simple to operate, deposit the trachea, go up the ring cover, lower ring cover, the integrative be connected between the sampling pipe is convenient for make up an organic whole be assembled, it is rotatory to be convenient for drive the lead screw axle through the handle, realize going up the piston plate, lower piston plate slides in step, it upwards slides along depositing the trachea to go up the piston plate and bleeds, synchronous lower piston plate upwards slides the shutoff inlet port along the sampling pipe, realize the gaseous sealed of soil sampling, thereby can avoid causing the external air and adopt gaseous emergence to mix, can accurate gas in the detection soil, operation and application are convenient.

Drawings

FIG. 1 is a schematic structural diagram of a novel soil gas sampler of the present invention;

FIG. 2 is a schematic cross-sectional view of a novel soil gas sampler of the present invention;

FIG. 3 is a schematic view of the air storage tube of the novel soil gas sampler provided with a piston plate;

FIG. 4 is a schematic view of a sampling tube installed lower piston plate of the novel soil gas sampler.

Wherein: 1-gas storage tube; 2-upper ring sleeve, 20-air extraction hole; 3-lower ring sleeve; 4-sampling pipe, 40-air inlet; 5-a screw shaft; 6-upper piston plate; 7-lower piston plate; 8, an upper sliding block; 9-lower slide block; 10-winding a strip-shaped chute; 11-lower strip-shaped chutes; 12-a bearing sleeve; 13-a handle; 14-a cone end; 15-groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, the utility model discloses a novel soil gas sampler, which comprises a gas storage pipe 1 and an upper ring sleeve 2, wherein the bottom opening end of the gas storage pipe 1 is detachably connected with the upper ring sleeve 2, the bottom wall of the upper ring sleeve 2 is provided with a lower ring sleeve 3 of an integrated structure, the lower ring sleeve 3 is detachably connected with the top opening end of a sampling pipe 4, the gas storage pipe 1 and the sampling pipe 4 are internally and continuously inserted and connected with a screw shaft 5, the middle position of the upper ring sleeve 2 is provided with an air suction hole 20, the arranged air suction hole 20 is internally and retractably inserted and connected with the screw shaft 5, and the upper end and the lower end of the screw shaft 5 are respectively connected with an upper piston plate 6 and a lower piston plate 7 in a threaded fit manner.

Go up the circumference board end of piston plate 6, lower piston plate 7 and be equipped with the top shoe 8, the lower slider 9 of a plurality of protruding forms respectively, deposit and seted up a plurality of upper bar spouts 10, lower bar spout 11 on the circumference inner wall of trachea 1, sampling pipe 4 respectively, top shoe 8, lower slider 9 are sliding connection respectively at top bar spout 10, in lower bar spout 11, a plurality of inlet port 40 has been seted up to the equipartition on the circumference lateral wall of sampling pipe 4.

The diameters of the upper piston plate 6 and the lower piston plate 7 are respectively consistent with the inner diameters of the gas storage tube 1 and the sampling tube 4.

The top end of the air storage pipe 1 is provided with a bearing sleeve 12 of an integrated structure, and the inside of the bearing sleeve 12 is connected with the screw rod shaft 5 in a rotating fit mode through a rolling bearing.

The top end of the screw shaft 5 is fixedly connected with a handle 13.

The bottom end of the sampling tube 4 is provided with a cone end 14 of an integrated structure, the cone end 14 is provided with a groove 15, and the groove 15 is connected with the screw rod shaft 5 in a rotating fit mode.

The bottom end outer wall of the air storage pipe 1 is provided with an external thread, the inner wall of the upper ring sleeve 2 is provided with an internal thread, and the air storage pipe 1 and the upper ring sleeve 2 are in thread fit connection.

Be equipped with external screw thread on the top outer wall of sampling pipe 4, be equipped with internal thread screw thread on the inner wall of lower ring cover 3, sampling pipe 4 and the threaded connection of looks screw-thread fit between the lower ring cover 3.

The utility model is implemented as follows: when the device is used, the air storage pipe 1 and the sampling pipe 4 are respectively detachably connected with the upper ring sleeve 2 and the lower ring sleeve 3, so that the device is convenient to be combined and assembled into a whole for use, an operator inserts the sampling pipe 4 into the position of a soil collection point, the handle 13 drives the screw rod shaft 5 to rotate, the upper end and the lower end of the screw rod shaft 5 are respectively in threaded connection with the upper piston plate 6 and the lower piston plate 7 to act, the upper piston plate 6 and the lower piston plate 7 stably slide along the inner cavities of the air storage pipe 1 and the sampling pipe 4 respectively, so that when the upper piston plate 6 slides upwards, soil gas is conveniently pumped into the air storage pipe 1 through the sampling pipe 4, the lower piston plate 7 synchronously slides upwards at the moment, until the position of the upper piston plate 7 which slides is higher than 40, the soil sampling gas inlet hole is stopped, the lower piston plate 7 seals the air storage pipe 1, the sampling pipe 4 is pulled out, and the mixing of the external air and the adopted gas can be avoided, the gas in the soil can be accurately detected. Adopt this technical scheme, the steam generator is simple in structure, assembly simple to operate, deposit the trachea, go up the ring cover, the lower ring cover, the integrative be assembled between the sampling pipe is convenient, it is rotatory to be convenient for drive the lead screw axle through the handle, realize the piston plate, lower piston plate slides in step, it upwards slides along the gas storage pipe to go up the piston plate and bleeds, the shutoff inlet port that upwards slides along the sampling pipe is followed to synchronous lower piston plate, realize soil sampling gas's is sealed, thereby can avoid causing the external air and adopt gaseous emergence to mix, can the gas in the accurate detection soil, operation convenient application.

Finally, it should be noted that: the above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention; thus, while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.

Claims

1. The utility model provides a novel soil gas sampler, includes and deposits trachea (1), go up ring cover (2), its characterized in that, the end mouth end of depositing trachea (1) can be dismantled and connect and go up ring cover (2), go up lower ring cover (3) that are equipped with an organic whole structure on the diapire of ring cover (2), can dismantle the apical foramen end of connecting sampling pipe (4) in ring cover (3) down, it inserts and establishes and is connected with lead screw axle (5) to deposit trachea (1), sampling pipe (4) internal through long, go up intermediate position department of ring cover (2) and seted up aspirating hole (20), dodge in aspirating hole (20) seted up and insert and establish and connect lead screw axle (5), upper and lower both ends difference screw-thread fit of lead screw axle (5) connect piston plate (6), lower piston plate (7), the circumference board end of going up piston plate (6), lower piston plate (7) is equipped with slider (8) of a plurality of protruding forms respectively, Lower slider (9), a plurality of upper strip spout (10), lower strip spout (11) have been seted up on the circumference inner wall of depositing trachea (1), sampling pipe (4) respectively, upper slider (8), lower slider (9) sliding connection are respectively in upper strip spout (10), lower strip spout (11), a plurality of inlet port (40) have been seted up to the equipartition on the circumference lateral wall of sampling pipe (4).

2. The novel soil gas sampler as recited in claim 1, wherein: the diameters of the upper piston plate (6) and the lower piston plate (7) are respectively consistent with the inner diameters of the gas storage pipe (1) and the sampling pipe (4).

3. The novel soil gas sampler as recited in claim 1, wherein: the top end of the air storage pipe (1) is provided with a bearing sleeve (12) of an integrated structure, and a screw rod shaft (5) is connected in the bearing sleeve (12) in a rotating fit mode through a rolling bearing.

4. A novel soil gas sampler as claimed in claim 1 or claim 3 wherein: the top end of the screw rod shaft (5) is fixedly connected with a handle (13).

5. The novel soil gas sampler as recited in claim 1, wherein: the bottom of the sampling pipe (4) is provided with a cone end (14) of an integrated structure, a groove (15) is formed in the cone end (14), and the groove (15) is connected with the screw rod shaft (5) in a rotating fit mode.

6. The novel soil gas sampler as recited in claim 1, wherein: deposit and be equipped with external screw thread on the bottom outer wall of trachea (1), be equipped with internal thread screw thread on the inner wall of last ring cover (2), deposit between trachea (1) and the last ring cover (2) looks screw-thread fit connection.

7. The novel soil gas sampler as recited in claim 1, wherein: be equipped with the external screw thread on the top outer wall of sampling pipe (4), be equipped with the internal thread screw thread on the inner wall of lower ring cover (3), be connected with screw-thread fit between lower ring cover (3) mutually between sampling pipe (4).